{"id":21518,"date":"2025-03-28T12:43:42","date_gmt":"2025-03-28T04:43:42","guid":{"rendered":"https:\/\/landu-china.com\/?p=21518"},"modified":"2025-03-28T12:44:17","modified_gmt":"2025-03-28T04:44:17","slug":"additifs-chimiques-avances-dans-la-technologie-de-cimentation-des-puits-de-petrole","status":"publish","type":"post","link":"https:\/\/landu-china.com\/fr\/additifs-chimiques-avances-dans-la-technologie-de-cimentation-des-puits-de-petrole\/","title":{"rendered":"Additifs chimiques avanc\u00e9s dans la technologie de cimentation des puits de p\u00e9trole"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"21518\" class=\"elementor elementor-21518\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8ed4792 e-flex e-con-boxed e-con e-parent\" data-id=\"8ed4792\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-27bb47c5 e-con-full e-flex e-con e-child\" data-id=\"27bb47c5\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5745a1aa elementor-widget elementor-widget-heading\" data-id=\"5745a1aa\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Additifs chimiques avanc\u00e9s dans la technologie de cimentation des puits de p\u00e9trole<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5f276119 elementor-tablet-align-center elementor-widget elementor-widget-post-info\" data-id=\"5f276119\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-8a4e3ed elementor-inline-item\" itemprop=\"datePublished\">\n\t\t\t\t\t\t<a href=\"https:\/\/landu-china.com\/fr\/2025\/03\/28\/\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-calendar\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M400 64h-48V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H160V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H48C21.5 64 0 85.5 0 112v352c0 26.5 21.5 48 48 48h352c26.5 0 48-21.5 48-48V112c0-26.5-21.5-48-48-48zm-6 400H54c-3.3 0-6-2.7-6-6V160h352v298c0 3.3-2.7 6-6 6z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-date\">\n\t\t\t\t\t\t\t\t\t\t<time>28 mars 2025<\/time>\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-271dd1a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"271dd1a\" data-element_type=\"section\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<main class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-2d5bb40\" data-id=\"2d5bb40\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-62b5b46 elementor-widget elementor-widget-heading\" data-id=\"62b5b46\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Qu'est-ce que la cimentation des puits de p\u00e9trole ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-313b9ee elementor-widget elementor-widget-text-editor\" data-id=\"313b9ee\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"NU6NdPhnTokRFTx85WOcTMHLnAh\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div>La cimentation des puits de p\u00e9trole est un processus qui consiste \u00e0 ins\u00e9rer un tubage dans un puits de forage et \u00e0 injecter du ciment dans l'espace annulaire entre les tubages. En tant qu'\u00e9l\u00e9ment important de l'industrie du forage p\u00e9trolier, il y a g\u00e9n\u00e9ralement au moins deux op\u00e9rations de cimentation pour les puits de production et jusqu'\u00e0 cinq pour les puits d'exploration. La cimentation des puits de p\u00e9trole a cinq objectifs principaux.<\/div><ol><li><strong>Stabiliser l'int\u00e9grit\u00e9 du puits de forage<\/strong> - Pour isoler les formations instables ou fractur\u00e9es, renforcer les sections for\u00e9es et assurer une progression r\u00e9guli\u00e8re du forage.<\/li><li><strong>Soutien \u00e0 l'installation de t\u00eates de puits<\/strong> - Fournir une fondation pour les syst\u00e8mes de pr\u00e9vention des \u00e9ruptions et maintenir un flux de retour de boue appropri\u00e9 en \u00e9levant la sortie du fluide de forage au-dessus de la fosse \u00e0 boue.<\/li><li><strong>Isolement zonal<\/strong> - Emp\u00eacher l'\u00e9coulement crois\u00e9 entre les couches de p\u00e9trole, de gaz et d'eau dont la pression varie, afin de garantir des conditions optimales de production d'hydrocarbures.<\/li><li><strong>Prot\u00e9ger les ressources en eau douce<\/strong> - Prot\u00e9ger les aquif\u00e8res d'eau douce peu profonds de la contamination par du p\u00e9trole, du gaz, des saumures ou d'autres fluides de formation plus profonds.<\/li><li><strong>Am\u00e9liorer le potentiel de production<\/strong> - \u00c9tablir une structure de puits s\u00fbre pour les futurs traitements de stimulation, tels que l'acidification et la fracturation hydraulique, afin d'augmenter la production.<\/li><\/ol><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c843741 elementor-widget elementor-widget-heading\" data-id=\"c843741\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Application de la technologie de cimentation en Russie<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-947b9aa e-flex e-con-boxed e-con e-parent\" data-id=\"947b9aa\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d1eaac0 elementor-widget elementor-widget-text-editor\" data-id=\"d1eaac0\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"NU6NdPhnTokRFTx85WOcTMHLnAh\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul><li>Ces derni\u00e8res ann\u00e9es, les dommages caus\u00e9s aux cuvelages dans les champs p\u00e9trolif\u00e8res russes ont grimp\u00e9 en fl\u00e8che de <strong>17% \u00e0 38%<\/strong>La perte de production annuelle s'\u00e9l\u00e8ve \u00e0 environ 1,5 million d'euros. <strong>7,6-16,6 millions de tonnes<\/strong> de p\u00e9trole. En 2015, <strong>Rosneft<\/strong> signal\u00e9e aux alentours de <strong>1 900 puits endommag\u00e9s<\/strong>, entra\u00eenant une perte cumul\u00e9e de <strong>9,01 millions de tonnes<\/strong>, tandis que <strong>Tatneft<\/strong> document\u00e9 pr\u00e8s de <strong>800 puits concern\u00e9s<\/strong>, r\u00e9duisant la production de <strong>1,09 million de tonnes. <\/strong>Dans huit grandes compagnies p\u00e9troli\u00e8res, les taux de d\u00e9faillance des tubages varient entre <strong>1.78% \u00e0 4.13%<\/strong>.<\/li><li>Une contre-mesure cl\u00e9 est <strong>cimentation am\u00e9lior\u00e9e des puits<\/strong>, comme le montre l'exemple de la <strong>Champ Romashkino<\/strong>qui op\u00e8re sur le territoire de l'Union europ\u00e9enne. <strong>40 000 puits de production<\/strong>, <strong>70% dont plus de 30 ans d'\u00e2ge<\/strong>. Les dommages les plus courants au niveau du tubage sont les suivants <strong>corrosion et perforation<\/strong>avec des taux de corrosion externe moyens de <strong>0,8-1,2 mm\/an<\/strong> et la corrosion interne \u00e0 <strong>0,9-1,5 mm\/an<\/strong>.<\/li><\/ul><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9ebab2c elementor-widget elementor-widget-image\" data-id=\"9ebab2c\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/landu-china.com\/wp-content\/uploads\/2025\/03\/a-flock-of-penguins-antarctic-mountains-1024x682.jpg\" class=\"attachment-large size-large wp-image-21513\" alt=\"Une bande de pingouins . Montagnes de l&#039;Antarctique\" srcset=\"https:\/\/landu-china.com\/wp-content\/uploads\/2025\/03\/a-flock-of-penguins-antarctic-mountains-1024x682.jpg 1024w, https:\/\/landu-china.com\/wp-content\/uploads\/2025\/03\/a-flock-of-penguins-antarctic-mountains-300x200.jpg 300w, https:\/\/landu-china.com\/wp-content\/uploads\/2025\/03\/a-flock-of-penguins-antarctic-mountains-768x512.jpg 768w, https:\/\/landu-china.com\/wp-content\/uploads\/2025\/03\/a-flock-of-penguins-antarctic-mountains-1536x1024.jpg 1536w, https:\/\/landu-china.com\/wp-content\/uploads\/2025\/03\/a-flock-of-penguins-antarctic-mountains-18x12.jpg 18w, https:\/\/landu-china.com\/wp-content\/uploads\/2025\/03\/a-flock-of-penguins-antarctic-mountains.jpg 2000w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a54d643 elementor-widget elementor-widget-heading\" data-id=\"a54d643\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Comment am\u00e9liorer l'efficacit\u00e9 de la cimentation des puits de p\u00e9trole ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d7da7e8 elementor-widget elementor-widget-text-editor\" data-id=\"d7da7e8\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"NU6NdPhnTokRFTx85WOcTMHLnAh\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ol class=\"list-number1\" start=\"1\"><li class=\"ace-line ace-line old-record-id-NLr7duCSqoSUA4xMpR1c09Wnnib\" data-list=\"number\"><div>Techniques avanc\u00e9es de mise en place du ciment<\/div><ol class=\"list-number3\"><li class=\"ace-line ace-line old-record-id-TZLgd8S2oo02nkxsWUDc6DEMnhx\" data-list=\"bullet\"><div>Utiliser des centralisateurs et des mouvements de tuyaux (rotation\/r\u00e9ciprocation) pour \u00e9liminer les canaux de boue et am\u00e9liorer l'uniformit\u00e9 de la couverture de ciment.<\/div><\/li><li class=\"ace-line ace-line old-record-id-Qq8adJgi0oia04xJNtvcHUqNnBb\" data-list=\"bullet\"><div>Utiliser des simulations de dynamique des fluides (CFD) pour pr\u00e9voir et optimiser l'efficacit\u00e9 du d\u00e9placement du ciment.<\/div><\/li><\/ol><\/li><li class=\"ace-line ace-line old-record-id-N6Wxdf0Lro3I5DxU4vjc1Oj0nKc\" data-list=\"number\"><div>M\u00e9thodes robustes d'isolation zonale<\/div><ol class=\"list-number3\"><li class=\"ace-line ace-line old-record-id-UxeEdf14JoQOaQx5t0Vcrd1gn5g\" data-list=\"bullet\"><div>Mettre en \u0153uvre une cimentation en plusieurs \u00e9tapes pour les zones \u00e0 haute pression ou \u00e9puis\u00e9es.<\/div><\/li><li class=\"ace-line ace-line old-record-id-Pn2OdJ7mpoIqFLxeQdvcs00Mnjd\" data-list=\"bullet\"><div>Appliquer des rustines expansibles ou des syst\u00e8mes de r\u00e9sine dans les intervalles critiques.<\/div><\/li><\/ol><\/li><li class=\"ace-line ace-line old-record-id-HL2yduQ5lobRxNxtzJpcP1lmn5d\" data-list=\"number\"><div>Suivi et \u00e9valuation en temps r\u00e9el<\/div><ol class=\"list-number3\"><li class=\"ace-line ace-line old-record-id-GSZsdei4bo0H0QxCoLvcU4S2ncf\" data-list=\"bullet\"><div>Utiliser des capteurs acoustiques et de pression pour d\u00e9tecter les micro-annuli ou les points faibles.<\/div><\/li><li class=\"ace-line ace-line old-record-id-PsCqdJoqmokOcqxmshZcFUuxnty\" data-list=\"bullet\"><div>R\u00e9aliser une imagerie ultrasonique (CBL\/VDL logs) apr\u00e8s cimentation pour l'\u00e9valuation de la qualit\u00e9.<\/div><\/li><\/ol><\/li><li class=\"ace-line ace-line old-record-id-G9dBdqWijoXBeBxYZ5gcZOp9nCc\" data-list=\"number\"><div>Mesures de r\u00e9sistance \u00e0 la corrosion et aux produits chimiques<\/div><ol class=\"list-number3\"><li class=\"ace-line ace-line old-record-id-G2JCdwy8NoDZQwxed1Cce10snS4\" data-list=\"bullet\"><div>Int\u00e9grer des additifs anti-H\u2082S ou un rev\u00eatement \u00e9poxy dans les environnements acides.<\/div><\/li><li class=\"ace-line ace-line old-record-id-V8UUdqZ0VoRg2Rx89Vuc13ejnvd\" data-list=\"bullet\"><div>Appliquer des rev\u00eatements \u00e0 base de zinc ou d'aluminium pour att\u00e9nuer la d\u00e9gradation \u00e9lectrochimique.<\/div><\/li><\/ol><\/li><li class=\"ace-line ace-line old-record-id-MJQ8dwVUyoonalx3MoAcH5tMnUG\" data-list=\"number\"><div>Conception pr\u00e9cise des boues et optimisation des mat\u00e9riaux<\/div><ol class=\"list-number3\"><li class=\"ace-line ace-line old-record-id-IXsQdHnego2ARWxhz37cwUTTnpb\" data-list=\"bullet\"><div>Utiliser des formulations de ciment personnalis\u00e9es avec des adjuvants de qualit\u00e9 pour am\u00e9liorer la rh\u00e9ologie, la r\u00e9sistance et le temps de prise.<\/div><\/li><li class=\"ace-line ace-line old-record-id-ZkWgdb2qmojJrSx9ERhc3PgDnEf\" data-list=\"bullet\"><div>Am\u00e9liorer le contr\u00f4le des pertes de fluides pour pr\u00e9venir la migration des gaz et assurer une bonne adh\u00e9rence.<\/div><\/li><\/ol><\/li><\/ol><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9091406 elementor-widget elementor-widget-heading\" data-id=\"9091406\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Quels additifs peuvent \u00eatre utilis\u00e9s dans la cimentation des puits de p\u00e9trole ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5b614e8 elementor-widget elementor-widget-heading\" data-id=\"5b614e8\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">1. Dispersant et r\u00e9ducteur de friction<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e488fc4 elementor-widget elementor-widget-text-editor\" data-id=\"e488fc4\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"NU6NdPhnTokRFTx85WOcTMHLnAh\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div>Lorsque les particules d'argile et les d\u00e9blais de forage atteignent des concentrations critiques dans les fluides de forage, ils forment une structure de r\u00e9seau tridimensionnelle. Ce ph\u00e9nom\u00e8ne est particuli\u00e8rement exacerb\u00e9 dans les formations de sel-gypse o\u00f9 les \u00e9lectrolytes dissous (en particulier les cations polyvalents) dans l'eau de formation intensifient le d\u00e9veloppement de la structure, ce qui entrave consid\u00e9rablement la mobilit\u00e9 des fluides. Les dispersants agissent en d\u00e9mantelant ces matrices de r\u00e9seau, en lib\u00e9rant l'eau li\u00e9e pour r\u00e9duire la viscosit\u00e9 et la limite d'\u00e9lasticit\u00e9.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-85a1ce6 e-flex e-con-boxed e-con e-parent\" data-id=\"85a1ce6\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-758ea3c e-con-full e-flex e-con e-child\" data-id=\"758ea3c\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-01171c1 elementor-widget elementor-widget-text-editor\" data-id=\"01171c1\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em><strong>Notre solution : <a href=\"https:\/\/landu-china.com\/fr\/superplastifiant-polycarboxylate-en-poudre-pce\/\" target=\"_blank\" rel=\"noopener\">Superplastifiant \u00e0 base de polycarboxylate<\/a><\/strong><\/em><\/p><p>Notre <a href=\"https:\/\/landu-china.com\/fr\/superplastifiant-polycarboxylate-en-poudre-pce\/\" target=\"_blank\" rel=\"noopener\">NOVASTAR Superplastifiant \u00e0 base de polycarboxylate<\/a> est un r\u00e9ducteur d'eau et un dispersant de haute performance utilis\u00e9 pour optimiser les propri\u00e9t\u00e9s des mortiers de ciment. En tant que l'un des dispersants polym\u00e8res synth\u00e9tiques, il offre une efficacit\u00e9 sup\u00e9rieure dans les aspects suivants :<\/p><ol><li>Dispersion des particules de ciment<br \/>- R\u00e9duit la consistance du lisier de 35-50% par rapport aux syst\u00e8mes non trait\u00e9s<br \/>- Am\u00e9liore les param\u00e8tres rh\u00e9ologiques : abaisse la viscosit\u00e9 plastique de 40-60% tout en maintenant un point de rendement optimal.<\/li><li>Adaptabilit\u00e9 \u00e0 la temp\u00e9rature<br \/>- Spectre de performance efficace : 30\u00b0C \u00e0 180\u00b0C (86\u00b0F \u00e0 356\u00b0F)<br \/>- Maintien de la stabilit\u00e9 de la dispersion dans des conditions de cycles thermiques<\/li><li>Tol\u00e9rance au sel<br \/>- D\u00e9montre des performances constantes dans des environnements NaCl 5-10%<br \/>- Compatible avec diverses sources d'eau sans exigence de puret\u00e9<\/li><li>Profil de compatibilit\u00e9<br \/>- Synergie avec tous les additifs pour ciment de la classe API<br \/>- Pas d'interactions n\u00e9gatives avec les contr\u00f4leurs de perte de fluide, les retardateurs et les antimousses.<\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6d774f3 e-con-full e-flex e-con e-child\" data-id=\"6d774f3\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ff971be elementor-widget elementor-widget-image\" data-id=\"ff971be\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/landu-china.com\/wp-content\/uploads\/2024\/11\/DSC4280-\u62f7\u8d1d.webp\" class=\"attachment-large size-large wp-image-19104\" alt=\"PCE\" srcset=\"https:\/\/landu-china.com\/wp-content\/uploads\/2024\/11\/DSC4280-\u62f7\u8d1d.webp 800w, https:\/\/landu-china.com\/wp-content\/uploads\/2024\/11\/DSC4280-\u62f7\u8d1d-300x200.webp 300w, https:\/\/landu-china.com\/wp-content\/uploads\/2024\/11\/DSC4280-\u62f7\u8d1d-768x512.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8a30c54 elementor-widget elementor-widget-heading\" data-id=\"8a30c54\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">2.   Additif de contr\u00f4le des pertes de fluides de ciment<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3f0f472 e-flex e-con-boxed e-con e-parent\" data-id=\"3f0f472\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2e5df22 elementor-widget elementor-widget-text-editor\" data-id=\"2e5df22\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"NU6NdPhnTokRFTx85WOcTMHLnAh\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div>Les additifs de perte de fluide (FLA) sont essentiels pour minimiser la perte de filtrat dans les boues de ciment, car ils remplissent trois fonctions principales :<\/div><ol><li style=\"list-style-type: none;\"><ol class=\"list-number4\"><li class=\"ace-line ace-line old-record-id-WT8xdgBe1o8Jzhxd8qxcDOUnnLb\" data-list=\"number\"><div>La pr\u00e9vention de la d\u00e9shydratation pr\u00e9matur\u00e9e dans les formations perm\u00e9ables est particuli\u00e8rement importante lors des op\u00e9rations de cimentation des gaines.<\/div><\/li><li class=\"ace-line ace-line old-record-id-SnHvdNPj6o2EmuxoGgtcHvw1nRh\" data-list=\"number\"><div>Prot\u00e9ger les formations sensibles \u00e0 l'eau des dommages caus\u00e9s par l'invasion de fluides.<\/div><\/li><li class=\"ace-line ace-line old-record-id-L3JCdJeTTo36oJxtJyrcKE5mnb9\" data-list=\"number\"><div>Am\u00e9liorer l'efficacit\u00e9 de la cimentation par compression en maintenant l'int\u00e9grit\u00e9 de la boue sous des pressions diff\u00e9rentielles \u00e9lev\u00e9es.<\/div><\/li><\/ol><\/li><\/ol><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2c45358 e-con-full e-flex e-con e-child\" data-id=\"2c45358\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d8bf00e elementor-widget elementor-widget-image\" data-id=\"d8bf00e\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/landu-china.com\/wp-content\/uploads\/2025\/03\/HPMC-Hydroxypropyl-Methyl-Cellulose-1024x683.jpg\" class=\"attachment-large size-large wp-image-21522\" alt=\"\" srcset=\"https:\/\/landu-china.com\/wp-content\/uploads\/2025\/03\/HPMC-Hydroxypropyl-Methyl-Cellulose-1024x683.jpg 1024w, https:\/\/landu-china.com\/wp-content\/uploads\/2025\/03\/HPMC-Hydroxypropyl-Methyl-Cellulose-300x200.jpg 300w, https:\/\/landu-china.com\/wp-content\/uploads\/2025\/03\/HPMC-Hydroxypropyl-Methyl-Cellulose-768x512.jpg 768w, https:\/\/landu-china.com\/wp-content\/uploads\/2025\/03\/HPMC-Hydroxypropyl-Methyl-Cellulose-1536x1024.jpg 1536w, https:\/\/landu-china.com\/wp-content\/uploads\/2025\/03\/HPMC-Hydroxypropyl-Methyl-Cellulose-18x12.jpg 18w, https:\/\/landu-china.com\/wp-content\/uploads\/2025\/03\/HPMC-Hydroxypropyl-Methyl-Cellulose.jpg 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1c1b1fb elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"1c1b1fb\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em><strong>Notre produit phare, l'additif multifonctionnel contre les pertes de fluides : <a href=\"https:\/\/landu-china.com\/fr\/hydroxypropylmethylcellulose-hpmc\/\" target=\"_blank\" rel=\"noopener\">HPMC<\/a><\/strong><\/em><\/p><p>LANDERCOLL HPMC est un \u00e9ther de cellulose modifi\u00e9 largement utilis\u00e9 comme agent r\u00e9ducteur d'eau. En tant que polym\u00e8re soluble dans l'eau, il aide \u00e0 stabiliser les boues de forage en r\u00e9duisant la perte de fluide dans les formations perm\u00e9ables tout en conservant les propri\u00e9t\u00e9s rh\u00e9ologiques. LANDU fournit divers types de HPMC pour les applications de cimentation, notamment :<\/p><ol><li>HPMC pour les syst\u00e8mes \u00e0 faible densit\u00e9<br \/>- Sp\u00e9cifiquement formul\u00e9 pour les formations fragiles et les zones de circulation perdue.<br \/>- Maintient un excellent contr\u00f4le de la perte de fluide (&lt;50mL\/30min) \u00e0 des densit\u00e9s aussi faibles que 1,20 SG.<\/li><li>HPMC pour les applications \u00e0 haute densit\u00e9<br \/>- Optimis\u00e9 pour les puits HPHT et les environnements en eaux profondes.<br \/>- Perte de fluide &lt;30mL\/30min dans des boues de densit\u00e9 allant jusqu&#039;\u00e0 2,60 SG.<\/li><li>HPMC pour les boues de densit\u00e9 conventionnelle<br \/>- Solution universelle pour la plupart des op\u00e9rations de cimentation standard.<br \/>- Permet un contr\u00f4le fiable de la perte de liquide &lt;50mL\/30min API.<\/li><li>HPMC pour les applications de m\u00e9lange d'eau de mer<br \/>- Formulation r\u00e9sistante \u00e0 la corrosion pour les op\u00e9rations offshore.<br \/>- Maintient des performances stables dans les environnements \u00e0 forte salinit\u00e9.<\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-019ec2f elementor-widget elementor-widget-heading\" data-id=\"019ec2f\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/landu-china.com\/fr\/fournisseur-de-retardateurs-de-gypse\/\" target=\"_blank\">3.  Retardateur de ciment\/gypse<\/a><\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4291300 elementor-widget elementor-widget-text-editor\" data-id=\"4291300\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"NU6NdPhnTokRFTx85WOcTMHLnAh\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XbRwdBmG5o3Renxu4V4cBLtBn4j\">Un retardateur de ciment id\u00e9al prolonge et maintient efficacement l'\u00e9tat liquide et la pompabilit\u00e9 de la boue. Les meilleurs retardateurs pr\u00e9sentent les propri\u00e9t\u00e9s suivantes :<\/div><ol class=\"list-number3\"><li style=\"list-style-type: none;\"><ol class=\"list-number3\"><li class=\"ace-line ace-line old-record-id-AcgFdvh2moY613xqdCDcqekhnvc\" data-list=\"bullet\"><div>Grande adaptabilit\u00e9 \u00e0 la temp\u00e9rature : Performances constantes dans des conditions de forage variables.<\/div><\/li><li class=\"ace-line ace-line old-record-id-YZiSdEWbLoPQlUxo9H7cbudrn1e\" data-list=\"bullet\"><div>Temps d'\u00e9paississement proportionnel \u00e0 la dose : Retard pr\u00e9visible en fonction de la concentration.<\/div><\/li><li class=\"ace-line ace-line old-record-id-XWTrd305UouHYrxPjWYc2pcvnNf\" data-list=\"bullet\"><div>Compatibilit\u00e9 : interaction harmonieuse avec tous les types de ciments et d'additifs pour puits de p\u00e9trole sans effet n\u00e9gatif :<\/div><ul class=\"list-bullet4\"><li class=\"ace-line ace-line old-record-id-YQRtdugc9ow93rxNCaicnfNln1b\" data-list=\"bullet\"><div>Accumulation de viscosit\u00e9<\/div><\/li><li class=\"ace-line ace-line old-record-id-DCJSdqfXHoTv7qxzhEucQeFcnAd\" data-list=\"bullet\"><div>G\u00e9lification thixotropique<\/div><\/li><li class=\"ace-line ace-line old-record-id-WGcdd22eRoL3vMxunIRcGAj7n9e\" data-list=\"bullet\"><div>D\u00e9veloppement de la r\u00e9sistance \u00e0 la compression<\/div><\/li><\/ul><\/li><li class=\"ace-line ace-line old-record-id-ZS4Fdl08IoXUT1x0tQDchP3KnXJ\" data-list=\"bullet\"><div>Performance contr\u00f4lable : Pr\u00e9diction fiable du temps d'\u00e9paississement et r\u00e9p\u00e9tabilit\u00e9.<\/div><\/li><li class=\"ace-line ace-line old-record-id-JhLDdKelmoFiCBxEurscC3nFnIh\" data-list=\"bullet\"><div>S\u00e9curit\u00e9 et respect de l'environnement : Non toxique, ininflammable, non polluant et r\u00e9sistant \u00e0 la contamination.<\/div><\/li><\/ol><\/li><\/ol><h3 class=\"heading-3 ace-line old-record-id-StoZdaSWRofZ2Kx1yyhc6Lkmnpb\">\u00a0\u00a0\u00a0\u00a0Analyse comparative des retardateurs courants<\/h3><ol><li style=\"list-style-type: none;\"><ol class=\"list-number3\"><li class=\"ace-line ace-line old-record-id-VqHxdtCYXoPdLhxBo7QcVDnPnuh\" data-list=\"number\"><div>Acide citrique et citrate de sodium<\/div><\/li><li class=\"ace-line ace-line old-record-id-TZ2adujBRoLh3RxZstwcfW9gn0e\" data-list=\"bullet\"><div>Fonction principale : Retard (effet l\u00e9ger), avec capacit\u00e9 de dispersion secondaire.<\/div><\/li><li class=\"ace-line ace-line old-record-id-NKEpd5OMlovlbXxi4lccc5BonBe\" data-list=\"bullet\"><div>Sensibilit\u00e9 au dosage :<\/div><ul class=\"list-bullet4\"><li class=\"ace-line ace-line old-record-id-Tmiwdz8lHoLobfxcC1KcrLWAnId\" data-list=\"bullet\"><div>Dose minimale efficace : 0,5% BWOC (en dessous de ce seuil, le r\u00e9glage peut \u00eatre acc\u00e9l\u00e9r\u00e9).<\/div><\/li><li class=\"ace-line ace-line old-record-id-NZcYdpKSMoxKZkxIpwoccqEAnAh\" data-list=\"bullet\"><div>Gamme de doses optimales : Retard stable au-del\u00e0 d'une concentration critique, avec une sensibilit\u00e9 minimale aux petites variations.<\/div><\/li><\/ul><\/li><li class=\"ace-line ace-line old-record-id-L4T2d5mC1orCPGxJxlGcvKKWneB\" data-list=\"bullet\"><div>Limites :<\/div><ul class=\"list-bullet4\"><li class=\"ace-line ace-line old-record-id-BMHOdUY75o8rd4xGILBcPB2Kngc\" data-list=\"bullet\"><div>Effet de dispersion plus faible que les dispersants sp\u00e9cialis\u00e9s.<\/div><\/li><li class=\"ace-line ace-line old-record-id-YHx2dMO7ho2j92xXuTBciglfn3f\" data-list=\"bullet\"><div>Les performances varient consid\u00e9rablement en fonction de la classe de ciment.<\/div><\/li><\/ul><\/li><li class=\"ace-line ace-line old-record-id-YdSEdBkEeojQHlxwRBhc2Upcnoh\" data-list=\"number\"><div>Acide tartrique et tartrate de potassium et de sodium (sel de Rochelle)<\/div><\/li><li class=\"ace-line ace-line old-record-id-X85Dd7VQSoMJ50xyeRTc58lMnxg\" data-list=\"bullet\"><div>Caract\u00e9ristiques principales :<\/div><ul class=\"list-bullet4\"><li class=\"ace-line ace-line old-record-id-WcgedFn4uoncnExk0CRcB08Lnoe\" data-list=\"bullet\"><div>Retard exceptionnel \u00e0 haute temp\u00e9rature (jusqu'\u00e0 180\u00b0C+).<\/div><\/li><li class=\"ace-line ace-line old-record-id-Tsrndpb4PosCPrx6etWchr2Pnnh\" data-list=\"bullet\"><div>L\u00e9ger effet dispersant (compl\u00e8te l'am\u00e9lioration rh\u00e9ologique).<\/div><\/li><li class=\"ace-line ace-line old-record-id-ChQHdAwg7ojt23xljoAccFnynXd\" data-list=\"bullet\"><div>Pas de d\u00e9gradation de la r\u00e9sistance dans le ciment durci.<\/div><\/li><\/ul><\/li><li class=\"ace-line ace-line old-record-id-FLg4dXT4toLZPRxgTjocnEOFnUg\" data-list=\"bullet\"><div>D\u00e9fis pratiques :<\/div><ul class=\"list-bullet4\"><li class=\"ace-line ace-line old-record-id-LikXd9y8Do1adExZEx3cs0ken0e\" data-list=\"bullet\"><div>Augmentation de la perte d'eau libre et de fluide - n\u00e9cessite l'utilisation d'additifs de perte de fluide (FLA).<\/div><\/li><li class=\"ace-line ace-line old-record-id-SvludXB38o2DHAxu80IcZKNgnng\" data-list=\"bullet\"><div>Sa grande sensibilit\u00e9 \u00e0 la contamination alcaline peut entra\u00eener un comportement impr\u00e9visible de la prise, ce qui le rend moins appr\u00e9ci\u00e9 dans les op\u00e9rations sur le terrain.<\/div><\/li><\/ul><\/li><\/ol><\/li><\/ol><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-01b63d7 e-con-full e-flex e-con e-child\" data-id=\"01b63d7\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ab2180a elementor-widget elementor-widget-image\" data-id=\"ab2180a\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"333\" src=\"https:\/\/landu-china.com\/wp-content\/uploads\/2024\/10\/GYPSUM-RETARDER-1024x426.webp\" class=\"attachment-large size-large wp-image-14924\" alt=\"\" srcset=\"https:\/\/landu-china.com\/wp-content\/uploads\/2024\/10\/GYPSUM-RETARDER-1024x426.webp 1024w, https:\/\/landu-china.com\/wp-content\/uploads\/2024\/10\/GYPSUM-RETARDER-300x125.webp 300w, https:\/\/landu-china.com\/wp-content\/uploads\/2024\/10\/GYPSUM-RETARDER-768x320.webp 768w, https:\/\/landu-china.com\/wp-content\/uploads\/2024\/10\/GYPSUM-RETARDER.webp 1442w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-318e653 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"318e653\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em><strong>Nos recommandations : <a href=\"https:\/\/landu-china.com\/fr\/fournisseur-de-retardateurs-de-gypse\/\" target=\"_blank\" rel=\"noopener\">Retardateur \u00e0 base d'amine<\/a><\/strong><\/em><\/p><div data-page-id=\"NU6NdPhnTokRFTx85WOcTMHLnAh\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ol class=\"list-number1\" start=\"1\"><li class=\"ace-line ace-line old-record-id-FGPqdSbbEo8YdrxqMAMcU98DnVb\" data-list=\"number\"><div><strong>A base d'amines <\/strong><strong>Retardateur<\/strong> est un additif chimique sp\u00e9cialis\u00e9 utilis\u00e9 pour <strong>retarder la prise des coulis de ciment<\/strong> en ralentissant les r\u00e9actions d'hydratation du ciment Portland. Ces retardateurs sont particuli\u00e8rement utiles dans <strong>les puits profonds \u00e0 haute temp\u00e9rature (HT\/HPHT)<\/strong>o\u00f9 les retardateurs standard (par exemple, les lignosulfonates ou les acides organiques) peuvent se d\u00e9grader ou devenir inefficaces.<\/div><\/li><\/ol><p><strong>M\u00e9canisme de retardement<\/strong><\/p><div data-page-id=\"NU6NdPhnTokRFTx85WOcTMHLnAh\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-QEtudSXQtoCrLqx1roTcCinTnHf\" data-list=\"bullet\"><div><strong>Ch\u00e9lation et adsorption<\/strong>:<\/div><ul class=\"list-bullet5\"><li class=\"ace-line ace-line old-record-id-Iew6dZaBOoIvoZxrAP4c5td8nrb\" data-list=\"bullet\"><div>Les groupes amin\u00e9s (-NH\u2082, -NH-) forment des complexes avec <strong>Les ions Ca\u00b2\u207a<\/strong> dans le ciment, inhibant la formation de <strong>C-S-H (<\/strong><strong>silicate de calcium<\/strong><strong> hydrate) <\/strong><strong>gel<\/strong>qui est essentiel pour le durcissement du ciment.<\/div><\/li><li class=\"ace-line ace-line old-record-id-PvJGdxb96oiziwxyACiclQxvnSF\" data-list=\"bullet\"><div>S'adsorbe sur les surfaces des particules de ciment, cr\u00e9ant ainsi un <strong>barri\u00e8re<\/strong> qui retarde la p\u00e9n\u00e9tration de l'eau et l'hydratation.<\/div><\/li><\/ul><\/li><li class=\"ace-line ace-line old-record-id-MkrIdsPUEosbs8xawOrcvcpPnOb\" data-list=\"bullet\"><div><strong>Action sensible au pH<\/strong>:<\/div><ul class=\"list-bullet5\"><li class=\"ace-line ace-line old-record-id-AUI0dMsajoDdh4xSjmVcBk4znSc\" data-list=\"bullet\"><div>Plus efficace en <strong>conditions alcalines<\/strong> (typique des boues de ciment, pH ~12-13).<\/div><\/li><\/ul><\/li><\/ul><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0c63000 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"0c63000\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em><strong>Avantages par rapport aux retardateurs conventionnels<\/strong><\/em><\/p><div data-page-id=\"NU6NdPhnTokRFTx85WOcTMHLnAh\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"NU6NdPhnTokRFTx85WOcTMHLnAh\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-MkrIdsPUEosbs8xawOrcvcpPnOb\" style=\"list-style-type: none;\" data-list=\"bullet\">\u00a0<\/li><\/ul><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-59aae18 elementor-widget elementor-widget-html\" data-id=\"59aae18\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<table style=\"border-collapse: collapse;\">\r\n  <tr>\r\n    <th style=\"background-color: lightgray; text-align: left; border: 1px solid black; padding: 5px;\">PROPRI\u00c9T\u00c9<\/th>\r\n    <th style=\"background-color: lightgray; text-align: left; border: 1px solid black; padding: 5px;\">RETARDATEUR \u00c0 BASE D'AMINE<\/th>\r\n    <th style=\"background-color: lightgray; text-align: left; border: 1px solid black; padding: 5px;\">LIGNOSULFONATES<\/th>\r\n    <th style=\"background-color: lightgray; text-align: left; border: 1px solid black; padding: 5px;\">ACIDES ORGANIQUES (PAR EXEMPLE, CITRIQUE\/GLUCONIQUE)<\/th>\r\n  <\/tr>\r\n  <tr>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">STABILIT\u00c9 \u00c0 HAUTE TEMP\u00c9RATURE<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">JUSQU'\u00c0 250+\u00b0C<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">SE D\u00c9GRADE &gt;120\u00b0C<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">SE D\u00c9GRADE &gt;150\u00b0C<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">EFFICACIT\u00c9 DU DOSAGE<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">FAIBLE (0,1-0,5% BWOC)<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">\u00c9LEV\u00c9 (0.5-2% BWOC)<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">MOD\u00c9R\u00c9 (0.3-1% BWOC)<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">TOL\u00c9RANCE AU SEL<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">EXCELLENT<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">MAUVAIS<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">MOD\u00c9R\u00c9<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">COMPATIBILIT\u00c9 DES BOUES<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">FONCTIONNE AVEC LA PLUPART DES ADDITIFS<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">PEUT INTERF\u00c9RER AVEC LES DISPERSANTS<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">SENSIBLE AUX CHANGEMENTS DE pH<\/td>\r\n  <\/tr>\r\n<\/table>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-718fb18 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"718fb18\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div 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512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M459.37 151.716c.325 4.548.325 9.097.325 13.645 0 138.72-105.583 298.558-298.558 298.558-59.452 0-114.68-17.219-161.137-47.106 8.447.974 16.568 1.299 25.34 1.299 49.055 0 94.213-16.568 130.274-44.832-46.132-.975-84.792-31.188-98.112-72.772 6.498.974 12.995 1.624 19.818 1.624 9.421 0 18.843-1.3 27.614-3.573-48.081-9.747-84.143-51.98-84.143-102.985v-1.299c13.969 7.797 30.214 12.67 47.431 13.319-28.264-18.843-46.781-51.005-46.781-87.391 0-19.492 5.197-37.36 14.294-52.954 51.655 63.675 129.3 105.258 216.365 109.807-1.624-7.797-2.599-15.918-2.599-24.04 0-57.828 46.782-104.934 104.934-104.934 30.213 0 57.502 12.67 76.67 33.137 23.715-4.548 46.456-13.32 66.599-25.34-7.798 24.366-24.366 44.833-46.132 57.827 21.117-2.273 41.584-8.122 60.426-16.243-14.292 20.791-32.161 39.308-52.628 54.253z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-share-btn__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__title\">\n\t\t\t\t\t\t\t\t\t\tTwitter\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_linkedin\" role=\"button\" tabindex=\"0\" aria-label=\"Partager sur linkedin\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<svg class=\"e-font-icon-svg e-fab-linkedin\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 32H31.9C14.3 32 0 46.5 0 64.3v383.4C0 465.5 14.3 480 31.9 480H416c17.6 0 32-14.5 32-32.3V64.3c0-17.8-14.4-32.3-32-32.3zM135.4 416H69V202.2h66.5V416zm-33.2-243c-21.3 0-38.5-17.3-38.5-38.5S80.9 96 102.2 96c21.2 0 38.5 17.3 38.5 38.5 0 21.3-17.2 38.5-38.5 38.5zm282.1 243h-66.4V312c0-24.8-.5-56.7-34.5-56.7-34.6 0-39.9 27-39.9 54.9V416h-66.4V202.2h63.7v29.2h.9c8.9-16.8 30.6-34.5 62.9-34.5 67.2 0 79.7 44.3 79.7 101.9V416z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-share-btn__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__title\">\n\t\t\t\t\t\t\t\t\t\tLinkedIn\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_telegram\" role=\"button\" tabindex=\"0\" aria-label=\"Partager sur telegram\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<svg class=\"e-font-icon-svg e-fab-telegram\" viewbox=\"0 0 496 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M248 8C111 8 0 119 0 256s111 248 248 248 248-111 248-248S385 8 248 8zm121.8 169.9l-40.7 191.8c-3 13.6-11.1 16.9-22.4 10.5l-62-45.7-29.9 28.8c-3.3 3.3-6.1 6.1-12.5 6.1l4.4-63.1 114.9-103.8c5-4.4-1.1-6.9-7.7-2.5l-142 89.4-61.2-19.1c-13.3-4.2-13.6-13.3 2.8-19.7l239.1-92.2c11.1-4 20.8 2.7 17.2 19.5z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-share-btn__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__title\">\n\t\t\t\t\t\t\t\t\t\tT\u00e9l\u00e9gramme\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-9e8fcf0 elementor-section-boxed elementor-section-height-default elementor-section-height-default elementor-invisible\" data-id=\"9e8fcf0\" data-element_type=\"section\" data-settings=\"{&quot;animation&quot;:&quot;fadeInUp&quot;,&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-0af88b8\" data-id=\"0af88b8\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6ffd5ff elementor-widget elementor-widget-heading\" data-id=\"6ffd5ff\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Contactez-nous et obtenez des \u00e9chantillons gratuits<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c66d934 elementor-widget elementor-widget-text-editor\" data-id=\"c66d934\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tN'h\u00e9sitez pas \u00e0 me contacter pour obtenir le dernier devis ou pour demander un test d'\u00e9chantillon (nos \u00e9chantillons sont gratuits et incluent les frais de port).\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ca311cc elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"ca311cc\" data-element_type=\"widget\" data-settings=\"{&quot;step_next_label&quot;:&quot;Next&quot;,&quot;step_previous_label&quot;:&quot;Previous&quot;,&quot;button_width&quot;:&quot;100&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;,&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" name=\"New Form\" action=\"\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"21518\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"ca311cc\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"\" \/>\n\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-name elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-name\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tNom\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Nom\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-tel elementor-field-group elementor-column elementor-field-group-field_f418624 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_f418624\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tT\u00e9l\u00e9phone\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t<input size=\"1\" type=\"tel\" name=\"form_fields[field_f418624]\" id=\"form-field-field_f418624\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"T\u00e9l\u00e9phone\" pattern=\"[0-9()#&amp;+*-=.]+\" title=\"Seuls les caract\u00e8res de num\u00e9ros de t\u00e9l\u00e9phone (#, -, *, etc.) sont accept\u00e9s.\">\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-email elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-email\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tCourriel\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Courriel\" required=\"required\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-group elementor-column elementor-field-type-submit elementor-col-100 e-form__buttons\">\n\t\t\t\t\t<button class=\"elementor-button elementor-size-sm\" type=\"submit\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Prenez contact avec nous imm\u00e9diatement<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<input type=\"hidden\" name=\"trp-form-language\" value=\"fr\"\/><\/form>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/main>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-34618f0\" data-id=\"34618f0\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-5cb5173 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5cb5173\" data-element_type=\"section\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-603fd00\" data-id=\"603fd00\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-237e243 elementor-widget elementor-widget-heading\" data-id=\"237e243\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Brochure<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-46b5b40 elementor-widget elementor-widget-text-editor\" data-id=\"46b5b40\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Pour plus d'informations, telles que les rapports de certification des produits, les analyses de qualit\u00e9, les TDS et les MSDS, veuillez t\u00e9l\u00e9charger notre brochure.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-282ef89 elementor-widget__width-auto elementor-widget elementor-widget-button\" data-id=\"282ef89\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjE1MTkiLCJ0b2dnbGUiOmZhbHNlfQ%3D%3D\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">T\u00e9l\u00e9charger la brochure<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-c328c37 elementor-search-form--skin-classic elementor-search-form--button-type-icon elementor-search-form--icon-search elementor-widget elementor-widget-search-form\" data-id=\"c328c37\" data-element_type=\"widget\" data-settings=\"{&quot;skin&quot;:&quot;classic&quot;,&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"search-form.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<search role=\"search\">\n\t\t\t<form class=\"elementor-search-form\" action=\"https:\/\/landu-china.com\/fr\/\" method=\"get\" data-trp-original-action=\"https:\/\/landu-china.com\/fr\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-search-form__container\">\n\t\t\t\t\t<label class=\"elementor-screen-only\" for=\"elementor-search-form-c328c37\">Rechercher <\/label>\n\n\t\t\t\t\t\n\t\t\t\t\t<input id=\"elementor-search-form-c328c37\" placeholder=\"Recherche...\" class=\"elementor-search-form__input\" type=\"search\" name=\"s\" value=\"\">\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<button class=\"elementor-search-form__submit\" type=\"submit\" aria-label=\"Rechercher \">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"e-font-icon-svg-container\"><svg class=\"fa fa-search e-font-icon-svg e-fas-search\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M505 442.7L405.3 343c-4.5-4.5-10.6-7-17-7H372c27.6-35.3 44-79.7 44-128C416 93.1 322.9 0 208 0S0 93.1 0 208s93.1 208 208 208c48.3 0 92.7-16.4 128-44v16.3c0 6.4 2.5 12.5 7 17l99.7 99.7c9.4 9.4 24.6 9.4 33.9 0l28.3-28.3c9.4-9.4 9.4-24.6.1-34zM208 336c-70.7 0-128-57.2-128-128 0-70.7 57.2-128 128-128 70.7 0 128 57.2 128 128 0 70.7-57.2 128-128 128z\"><\/path><\/svg><\/div>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/button>\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<input type=\"hidden\" name=\"trp-form-language\" value=\"fr\"\/><\/form>\n\t\t<\/search>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-136f28a e-con-full e-flex e-con e-child\" data-id=\"136f28a\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;,&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e05ee52 elementor-widget elementor-widget-heading\" data-id=\"e05ee52\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Cat\u00e9gories de produits<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-23fcde2 elementor-align-left elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"23fcde2\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/landu-china.com\/fr\/produits\/cellulose-landercoll\/\" target=\"_blank\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Landercoll Cellulose<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/landu-china.com\/fr\/produits\/poudre-de-polymere-redispersable-precise\/\" target=\"_blank\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">VAE-RDP pr\u00e9cis<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/landu-china.com\/fr\/produits\/novastar\/\" target=\"_blank\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">NovaStar Chemicals<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/landu-china.com\/fr\/produits\/additifs-alimentaires\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">D\u00e9finir le produit chimique alimentaire<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/landu-china.com\/fr\/produits\/intermediaires-pharmaceutiques-uquick\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Uquick Pharmaceutical Chemical<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-677b63d e-con-full e-flex e-con e-child\" data-id=\"677b63d\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;,&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-225a861 elementor-widget elementor-widget-heading\" data-id=\"225a861\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">March\u00e9s et solutions<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ded0f19 elementor-align-left elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"ded0f19\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/landu-china.com\/fr\/marches\/construction-2\/\" target=\"_blank\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Produits chimiques pour la construction<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/landu-china.com\/fr\/marches\/soins-personnels-a-domicile\/\" target=\"_blank\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Soins personnels et \u00e0 domicile<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/landu-china.com\/fr\/marches\/industrie-pharmaceutique\/\" target=\"_blank\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Interm\u00e9diaires pharmaceutiques<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/landu-china.com\/fr\/marches\/lindustrie-alimentaire-et-des-boissons\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Additifs alimentaires<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/landu-china.com\/fr\/marches\/plus-de-marches\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Plus de march\u00e9s<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5f5a091 elementor-widget elementor-widget-table-of-contents\" data-id=\"5f5a091\" data-element_type=\"widget\" data-settings=\"{&quot;headings_by_tags&quot;:[&quot;h2&quot;],&quot;container&quot;:&quot;main&quot;,&quot;exclude_headings_by_selector&quot;:[],&quot;marker_view&quot;:&quot;bullets&quot;,&quot;icon&quot;:{&quot;value&quot;:&quot;fas fa-chevron-right&quot;,&quot;library&quot;:&quot;fa-solid&quot;,&quot;rendered_tag&quot;:&quot;&lt;svg class=\\&quot;e-font-icon-svg e-fas-chevron-right\\&quot; viewBox=\\&quot;0 0 320 512\\&quot; xmlns=\\&quot;http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\&quot;&gt;&lt;path d=\\&quot;M285.476 272.971L91.132 467.314c-9.373 9.373-24.569 9.373-33.941 0l-22.667-22.667c-9.357-9.357-9.375-24.522-.04-33.901L188.505 256 34.484 101.255c-9.335-9.379-9.317-24.544.04-33.901l22.667-22.667c9.373-9.373 24.569-9.373 33.941 0L285.475 239.03c9.373 9.372 9.373 24.568.001 33.941z\\&quot;&gt;&lt;\\\/path&gt;&lt;\\\/svg&gt;&quot;},&quot;motion_fx_motion_fx_mouse&quot;:&quot;yes&quot;,&quot;sticky&quot;:&quot;top&quot;,&quot;no_headings_message&quot;:&quot;No headings were found on this page.&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;ekit_we_effect_on&quot;:&quot;none&quot;,&quot;sticky_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;,&quot;mobile&quot;],&quot;sticky_offset&quot;:0,&quot;sticky_effects_offset&quot;:0,&quot;sticky_anchor_link_offset&quot;:0}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t<h3 class=\"elementor-toc__header-title\">\n\t\t\t\tLiens rapides\t\t\t<\/h3>\n\t\t\t\t\t<\/div>\n\t\t<div id=\"elementor-toc__5f5a091\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewbox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Additifs chimiques avanc\u00e9s dans la technologie de cimentation des puits de p\u00e9trole Qu'est-ce que la cimentation des puits de p\u00e9trole ? La cimentation des puits de p\u00e9trole est un processus qui consiste \u00e0 ins\u00e9rer un tubage dans un puits de forage et \u00e0 injecter du ciment dans l'espace annulaire entre le tubage et le puits. En tant qu'\u00e9l\u00e9ment important de l'industrie du forage p\u00e9trolier, il y a g\u00e9n\u00e9ralement au moins deux op\u00e9rations de cimentation pour les puits de production [...]<\/p>","protected":false},"author":1,"featured_media":21519,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-21518","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seo"],"_links":{"self":[{"href":"https:\/\/landu-china.com\/fr\/wp-json\/wp\/v2\/posts\/21518","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/landu-china.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/landu-china.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/landu-china.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/landu-china.com\/fr\/wp-json\/wp\/v2\/comments?post=21518"}],"version-history":[{"count":11,"href":"https:\/\/landu-china.com\/fr\/wp-json\/wp\/v2\/posts\/21518\/revisions"}],"predecessor-version":[{"id":21532,"href":"https:\/\/landu-china.com\/fr\/wp-json\/wp\/v2\/posts\/21518\/revisions\/21532"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/landu-china.com\/fr\/wp-json\/wp\/v2\/media\/21519"}],"wp:attachment":[{"href":"https:\/\/landu-china.com\/fr\/wp-json\/wp\/v2\/media?parent=21518"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/landu-china.com\/fr\/wp-json\/wp\/v2\/categories?post=21518"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/landu-china.com\/fr\/wp-json\/wp\/v2\/tags?post=21518"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}