{"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":"advanced-chemical-additives-in-oil-well-cementing-technology","status":"publish","type":"post","link":"https:\/\/landu-china.com\/en\/advanced-chemical-additives-in-oil-well-cementing-technology\/","title":{"rendered":"Advanced Chemical Additives In Oil Well Cementing Technology"},"content":{"rendered":"\t\t<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\">Advanced Chemical Additives In Oil Well Cementing Technology<\/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\/en\/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>March 28, 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\">What is Oil Well Cementing?<\/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>Oil well cementing is a process of inserting casing into a wellbore and injecting cement into the annular space between the casing. As an important part of the oil drilling industry, there are typically at least two cementing operations for production wells and up to five for exploration wells. There are 5 main purposes for oil well cementing.<\/div><ol><li><strong>Stabilizing Wellbore Integrity<\/strong> \u2013 To isolate unstable or fractured formations, reinforce drilled sections, and ensure smooth drilling progress.<\/li><li><strong>Supporting Wellhead Installation<\/strong> \u2013 To provide a foundation for blowout prevention systems and maintain proper mud return flow by elevating the drilling fluid outlet above the mud pit.<\/li><li><strong>Zonal Isolation<\/strong> \u2013 To prevent crossflow between oil, gas, and water layers with varying pressures, ensuring optimal hydrocarbon production conditions.<\/li><li><strong>Protecting Freshwater Resources<\/strong> \u2013 To shield shallow freshwater aquifers from contamination by deeper oil, gas, brines, or other formation fluids.<\/li><li><strong>Enhancing Production Potential<\/strong> \u2013 To establish a secure well structure for future stimulation treatments, such as acidizing and hydraulic fracturing, to boost 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\">Cementing Technology Application In Russia<\/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>In recent years, casing damage in Russian oilfields has surged from <strong>17% to 38%<\/strong>, resulting in an annual production loss of approximately <strong>7.6\u201316.6 million tons<\/strong> of oil. In 2015, <strong>Rosneft<\/strong> reported around <strong>1,900 damaged wells<\/strong>, leading to a cumulative loss of <strong>9.01 million tons<\/strong>, while <strong>Tatneft<\/strong> documented nearly <strong>800 affected wells<\/strong>, reducing output by <strong>1.09 million tons. <\/strong>Across eight major oil companies, casing failure rates ranged from <strong>1.78% to 4.13%<\/strong>.<\/li><li>A key countermeasure is <strong>enhanced well cementation<\/strong>, as demonstrated in the <strong>Romashkino Field<\/strong>, which operates over <strong>40,000 production wells<\/strong>, <strong>70% of which are over 30 years old<\/strong>. Common casing damage includes <strong>corrosion and perforation<\/strong>, with average external corrosion rates of <strong>0.8\u20131.2 mm\/year<\/strong> and internal corrosion at <strong>0.9\u20131.5 mm\/year<\/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=\"A flock of penguins . Antarctic mountains\" 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\">How To Improve The Efficiency of Oil Well Cementing?<\/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>Advanced Cement Placement Techniques<\/div><ol class=\"list-number3\"><li class=\"ace-line ace-line old-record-id-TZLgd8S2oo02nkxsWUDc6DEMnhx\" data-list=\"bullet\"><div>Employ centralizers and pipe movement (rotation\/reciprocation) to eliminate mud channels and improve uniform cement coverage.<\/div><\/li><li class=\"ace-line ace-line old-record-id-Qq8adJgi0oia04xJNtvcHUqNnBb\" data-list=\"bullet\"><div>Utilize computational fluid dynamics (CFD) simulations to predict and optimize cement displacement efficiency.<\/div><\/li><\/ol><\/li><li class=\"ace-line ace-line old-record-id-N6Wxdf0Lro3I5DxU4vjc1Oj0nKc\" data-list=\"number\"><div>Robust Zonal Isolation Methods<\/div><ol class=\"list-number3\"><li class=\"ace-line ace-line old-record-id-UxeEdf14JoQOaQx5t0Vcrd1gn5g\" data-list=\"bullet\"><div>Implement multi-stage cementing for high-pressure or depleted zones.<\/div><\/li><li class=\"ace-line ace-line old-record-id-Pn2OdJ7mpoIqFLxeQdvcs00Mnjd\" data-list=\"bullet\"><div>Apply expandable casing patches or resin systems in critical intervals.<\/div><\/li><\/ol><\/li><li class=\"ace-line ace-line old-record-id-HL2yduQ5lobRxNxtzJpcP1lmn5d\" data-list=\"number\"><div>Real-Time Monitoring &amp; Evaluation<\/div><ol class=\"list-number3\"><li class=\"ace-line ace-line old-record-id-GSZsdei4bo0H0QxCoLvcU4S2ncf\" data-list=\"bullet\"><div>Use acoustic and pressure sensors to detect micro-annuli or weak spots.<\/div><\/li><li class=\"ace-line ace-line old-record-id-PsCqdJoqmokOcqxmshZcFUuxnty\" data-list=\"bullet\"><div>Conduct ultrasonic imaging (CBL\/VDL logs) post-cementing for quality assessment.<\/div><\/li><\/ol><\/li><li class=\"ace-line ace-line old-record-id-G9dBdqWijoXBeBxYZ5gcZOp9nCc\" data-list=\"number\"><div>Corrosion &amp; Chemical Resistance Measures<\/div><ol class=\"list-number3\"><li class=\"ace-line ace-line old-record-id-G2JCdwy8NoDZQwxed1Cce10snS4\" data-list=\"bullet\"><div>Integrate H\u2082S-scavenging additives or epoxy-coated casing in sour environments.<\/div><\/li><li class=\"ace-line ace-line old-record-id-V8UUdqZ0VoRg2Rx89Vuc13ejnvd\" data-list=\"bullet\"><div>Apply zinc or aluminum-based coatings to mitigate electrochemical degradation.<\/div><\/li><\/ol><\/li><li class=\"ace-line ace-line old-record-id-MJQ8dwVUyoonalx3MoAcH5tMnUG\" data-list=\"number\"><div>Precise Slurry Design &amp; Material Optimization<\/div><ol class=\"list-number3\"><li class=\"ace-line ace-line old-record-id-IXsQdHnego2ARWxhz37cwUTTnpb\" data-list=\"bullet\"><div>Use customized cement formulations with quality admixtures to enhance rheology, strength, and set time.<\/div><\/li><li class=\"ace-line ace-line old-record-id-ZkWgdb2qmojJrSx9ERhc3PgDnEf\" data-list=\"bullet\"><div>Improve fluid loss control to prevent gas migration and ensure proper bonding.<\/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\">What Additives Can Be Used In Oil Well Cementing?<\/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 and Friction Reducer<\/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>When clay particles and drilling cuttings reach critical concentrations in drilling fluids, they form a three-dimensional network structure. This phenomenon is particularly exacerbated in salt-gypsum formations where dissolved electrolytes (especially polyvalent cations) in formation water intensify structural development, significantly impairing fluid mobility. Dispersants function by dismantling these network matrices, liberating bound water to reduce viscosity and yield point.<\/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>Our Solution: <a href=\"https:\/\/landu-china.com\/en\/polycarboxylate-superplasticizer-powder-pce\/\" target=\"_blank\" rel=\"noopener\">Polycarboxylate Superplasticizer<\/a><\/strong><\/em><\/p><p>Our <a href=\"https:\/\/landu-china.com\/en\/polycarboxylate-superplasticizer-powder-pce\/\" target=\"_blank\" rel=\"noopener\">NOVASTAR Polycarboxylate Superplasticizer<\/a> is a high-performance water reducer and dispersant used to optimize cement mortar properties. As one of the synthetic polymeric dispersants, it offers superior efficiency in the following aspects:<\/p><ol><li>Cement Particle Dispersion<br \/>&#8211; Reduces slurry consistency by 35-50% compared to untreated systems<br \/>&#8211; Enhances rheological parameters: lowers plastic viscosity by 40-60% while maintaining optimal yield point<\/li><li>Temperature Adaptability<br \/>&#8211; Effective performance spectrum: 30\u00b0C to 180\u00b0C (86\u00b0F to 356\u00b0F)<br \/>&#8211; Maintains dispersion stability under thermal cycling conditions<\/li><li>Salt Tolerance<br \/>&#8211; Demonstrates consistent performance in 5-10% NaCl environments<br \/>&#8211; Compatible with various water sources without purity requirements<\/li><li>Compatibility Profile<br \/>&#8211; Synergistic with all API-class cement additives<br \/>&#8211; No adverse interactions with fluid loss controllers\/retarders\/antifoams<\/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.   Cement Fluid Loss Control Additive<\/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>Fluid loss additives (FLAs) are critical for minimizing filtrate loss in cement slurries, serving three primary purposes:<\/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>Preventing Premature Dehydration in permeable formations is particularly critical during liner cementing operations.<\/div><\/li><li class=\"ace-line ace-line old-record-id-SnHvdNPj6o2EmuxoGgtcHvw1nRh\" data-list=\"number\"><div>Shielding Water-Sensitive Formations from damage caused by fluid invasion.<\/div><\/li><li class=\"ace-line ace-line old-record-id-L3JCdJeTTo36oJxtJyrcKE5mnb9\" data-list=\"number\"><div>Enhancing Squeeze Cementing Efficiency by maintaining slurry integrity under high-pressure differentials.<\/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>Our Flagship Multi-Functional Fluid Loss Additive: <a href=\"https:\/\/landu-china.com\/en\/hydroxypropyl-methyl-cellulose-hpmc\/\" target=\"_blank\" rel=\"noopener\">HPMC<\/a><\/strong><\/em><\/p><p>LANDERCOLL HPMC is a modified cellulose ether widely used as a water-reducing agent. As a water-soluble polymer, it helps stabilize drilling mud by reducing fluid loss into permeable formations while maintaining rheological properties. LANDU provides diverse types of HPMC for cementing applications, including:<\/p><ol><li>HPMC For Low-Density Systems<br \/>&#8211; Specifically formulated for fragile formations and lost circulation zones.<br \/>&#8211; Maintains excellent fluid loss control (&lt;50mL\/30min) at densities as low as 1.20 SG.<\/li><li>HPMC For High-Density Applications<br \/>&#8211; Optimized for HPHT wells and deepwater environments.<br \/>&#8211; Delivers &lt;30mL\/30min fluid loss in slurry densities up to 2.60 SG.<\/li><li>HPMC For Conventional Density Slurries<br \/>&#8211; Universal solution for most standard cementing operations.<br \/>&#8211; Provides reliable &lt;50mL\/30min API fluid loss control.<\/li><li>HPMC For Seawater Mixing Applications<br \/>&#8211; Corrosion-resistant formulation for offshore operations.<br \/>&#8211; Maintains stable performance in high-salinity environments.<\/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\/en\/gypsum-retarder-supplier\/\" target=\"_blank\">3.  Cement\/Gypsum Retarder<\/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\">An ideal cement retarder effectively prolongs and maintains the liquid state and pumpability of slurry. The best retarders exhibit the following properties:<\/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>Broad temperature adaptability: Consistent performance across varying downhole conditions.<\/div><\/li><li class=\"ace-line ace-line old-record-id-YZiSdEWbLoPQlUxo9H7cbudrn1e\" data-list=\"bullet\"><div>Dose-proportional thickening time: Predictable retardation based on concentration.<\/div><\/li><li class=\"ace-line ace-line old-record-id-XWTrd305UouHYrxPjWYc2pcvnNf\" data-list=\"bullet\"><div>Compatibility: Harmonious interaction with all types of oilwell cements and additives without adversely affecting:<\/div><ul class=\"list-bullet4\"><li class=\"ace-line ace-line old-record-id-YQRtdugc9ow93rxNCaicnfNln1b\" data-list=\"bullet\"><div>Viscosity buildup<\/div><\/li><li class=\"ace-line ace-line old-record-id-DCJSdqfXHoTv7qxzhEucQeFcnAd\" data-list=\"bullet\"><div>Thixotropic gelation<\/div><\/li><li class=\"ace-line ace-line old-record-id-WGcdd22eRoL3vMxunIRcGAj7n9e\" data-list=\"bullet\"><div>Compressive strength development<\/div><\/li><\/ul><\/li><li class=\"ace-line ace-line old-record-id-ZS4Fdl08IoXUT1x0tQDchP3KnXJ\" data-list=\"bullet\"><div>Controllable performance: Reliable thickening time prediction and repeatability.<\/div><\/li><li class=\"ace-line ace-line old-record-id-JhLDdKelmoFiCBxEurscC3nFnIh\" data-list=\"bullet\"><div>Safety &amp; environmental compliance: Non-toxic, non-flammable, pollution-free, and resistant to contamination.<\/div><\/li><\/ol><\/li><\/ol><h3 class=\"heading-3 ace-line old-record-id-StoZdaSWRofZ2Kx1yyhc6Lkmnpb\">\u00a0\u00a0\u00a0\u00a0Comparative Analysis of Common Retarders<\/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>Citric Acid &amp; Sodium Citrate<\/div><\/li><li class=\"ace-line ace-line old-record-id-TZ2adujBRoLh3RxZstwcfW9gn0e\" data-list=\"bullet\"><div>Primary Function: Retardation (mild effect), with secondary dispersing ability.<\/div><\/li><li class=\"ace-line ace-line old-record-id-NKEpd5OMlovlbXxi4lccc5BonBe\" data-list=\"bullet\"><div>Dosage Sensitivity:<\/div><ul class=\"list-bullet4\"><li class=\"ace-line ace-line old-record-id-Tmiwdz8lHoLobfxcC1KcrLWAnId\" data-list=\"bullet\"><div>Minimum effective dose: 0.5% BWOC (Below this threshold, may accelerate setting).<\/div><\/li><li class=\"ace-line ace-line old-record-id-NZcYdpKSMoxKZkxIpwoccqEAnAh\" data-list=\"bullet\"><div>Optimal dose range: Stable retardation beyond a critical concentration, with minimal sensitivity to small variations.<\/div><\/li><\/ul><\/li><li class=\"ace-line ace-line old-record-id-L4T2d5mC1orCPGxJxlGcvKKWneB\" data-list=\"bullet\"><div>Limitations:<\/div><ul class=\"list-bullet4\"><li class=\"ace-line ace-line old-record-id-BMHOdUY75o8rd4xGILBcPB2Kngc\" data-list=\"bullet\"><div>Weaker dispersion effect compared to specialized dispersants.<\/div><\/li><li class=\"ace-line ace-line old-record-id-YHx2dMO7ho2j92xXuTBciglfn3f\" data-list=\"bullet\"><div>Performance varies significantly depending on cement class.<\/div><\/li><\/ul><\/li><li class=\"ace-line ace-line old-record-id-YdSEdBkEeojQHlxwRBhc2Upcnoh\" data-list=\"number\"><div>Tartaric Acid &amp; Potassium Sodium Tartrate (Rochelle Salt)<\/div><\/li><li class=\"ace-line ace-line old-record-id-X85Dd7VQSoMJ50xyeRTc58lMnxg\" data-list=\"bullet\"><div>Key Features:<\/div><ul class=\"list-bullet4\"><li class=\"ace-line ace-line old-record-id-WcgedFn4uoncnExk0CRcB08Lnoe\" data-list=\"bullet\"><div>Exceptional high-temperature retardation (up to 180\u00b0C+).<\/div><\/li><li class=\"ace-line ace-line old-record-id-Tsrndpb4PosCPrx6etWchr2Pnnh\" data-list=\"bullet\"><div>Mild dispersing effect (supplements rheological improvement).<\/div><\/li><li class=\"ace-line ace-line old-record-id-ChQHdAwg7ojt23xljoAccFnynXd\" data-list=\"bullet\"><div>No strength degradation in set cement.<\/div><\/li><\/ul><\/li><li class=\"ace-line ace-line old-record-id-FLg4dXT4toLZPRxgTjocnEOFnUg\" data-list=\"bullet\"><div>Practical Challenges:<\/div><ul class=\"list-bullet4\"><li class=\"ace-line ace-line old-record-id-LikXd9y8Do1adExZEx3cs0ken0e\" data-list=\"bullet\"><div>Increased free water &amp; fluid loss \u2013 necessitates the use of fluid loss additives (FLAs).<\/div><\/li><li class=\"ace-line ace-line old-record-id-SvludXB38o2DHAxu80IcZKNgnng\" data-list=\"bullet\"><div>High sensitivity to alkaline contamination can lead to unpredictable setting behavior, making it less favored in field operations.<\/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>Our Recommendations: <a href=\"https:\/\/landu-china.com\/en\/gypsum-retarder-supplier\/\" target=\"_blank\" rel=\"noopener\">Amino-Based retarder<\/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>Amino-Based <\/strong><strong>Retarder<\/strong> is a specialized chemical additive used to <strong>delay the setting of cement slurries<\/strong> by slowing down the hydration reactions of Portland cement. These retarders are particularly valuable in <strong>deep, high-temperature (HT\/HPHT) wells<\/strong>, where standard retarders (e.g., lignosulfonates or organic acids) may degrade or become ineffective.<\/div><\/li><\/ol><p><strong>Mechanism of Retardation<\/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>Chelation &amp; Adsorption<\/strong>:<\/div><ul class=\"list-bullet5\"><li class=\"ace-line ace-line old-record-id-Iew6dZaBOoIvoZxrAP4c5td8nrb\" data-list=\"bullet\"><div>Amino groups (\u2013NH\u2082, \u2013NH\u2013) form complexes with <strong>Ca\u00b2\u207a ions<\/strong> in the cement, inhibiting the formation of <strong>C-S-H (<\/strong><strong>calcium silicate<\/strong><strong> hydrate) <\/strong><strong>gel<\/strong>, which is critical for cement hardening.<\/div><\/li><li class=\"ace-line ace-line old-record-id-PvJGdxb96oiziwxyACiclQxvnSF\" data-list=\"bullet\"><div>Adsorbs onto cement particle surfaces, creating a <strong>barrier<\/strong> that delays water penetration and hydration.<\/div><\/li><\/ul><\/li><li class=\"ace-line ace-line old-record-id-MkrIdsPUEosbs8xawOrcvcpPnOb\" data-list=\"bullet\"><div><strong>pH-Responsive Action<\/strong>:<\/div><ul class=\"list-bullet5\"><li class=\"ace-line ace-line old-record-id-AUI0dMsajoDdh4xSjmVcBk4znSc\" data-list=\"bullet\"><div>More effective in <strong>alkaline conditions<\/strong> (typical of cement slurries, pH ~12\u201313).<\/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>Advantages Over Conventional Retarders<\/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;\">PROPERTY<\/th>\r\n    <th style=\"background-color: lightgray; text-align: left; border: 1px solid black; padding: 5px;\">AMINO-BASED RETARDER<\/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;\">ORGANIC ACIDS (E.G., CITRIC\/GLUCONIC)<\/th>\r\n  <\/tr>\r\n  <tr>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">HIGH-TEMP STABILITY<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">UP TO 250+&deg;C<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">DEGRADES >120&deg;C<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">DEGRADES >150&deg;C<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">DOSAGE EFFICIENCY<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">LOW (0.1-0.5% BWOC)<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">HIGH (0.5-2% BWOC)<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">MODERATE (0.3-1% BWOC)<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">SALT TOLERANCE<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">EXCELLENT<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">POOR<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">MODERATE<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">SLURRY COMPATIBILITY<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">WORKS WITH MOST ADDITIVES<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">MAY INTERFERE WITH DISPERSANTS<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">SENSITIVE TO pH SHIFTS<\/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 class=\"elementor-element elementor-element-47af679 elementor-share-buttons--shape-rounded elementor-grid-4 elementor-grid-mobile-2 elementor-share-buttons--view-icon-text elementor-share-buttons--skin-gradient elementor-share-buttons--color-official elementor-widget elementor-widget-share-buttons\" data-id=\"47af679\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"share-buttons.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-grid\" role=\"list\">\n\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_facebook\" role=\"button\" tabindex=\"0\" aria-label=\"Share on facebook\">\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-facebook\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M504 256C504 119 393 8 256 8S8 119 8 256c0 123.78 90.69 226.38 209.25 245V327.69h-63V256h63v-54.64c0-62.15 37-96.48 93.67-96.48 27.14 0 55.52 4.84 55.52 4.84v61h-31.28c-30.8 0-40.41 19.12-40.41 38.73V256h68.78l-11 71.69h-57.78V501C413.31 482.38 504 379.78 504 256z\"><\/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\tFacebook\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_twitter\" role=\"button\" tabindex=\"0\" aria-label=\"Share on twitter\">\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-twitter\" viewBox=\"0 0 512 512\" 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=\"Share on 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=\"Share on 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\tTelegram\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\">Contact Us &amp; Get Free Samples<\/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\tPlease contact me for the latest quote or to request a sample test (our samples are free and include shipping).\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\">\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\tName\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=\"Name\">\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\tPhone\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=\"Phone\" pattern=\"[0-9()#&amp;+*-=.]+\" title=\"Only numbers and phone characters (#, -, *, etc) are accepted.\">\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\tEmail\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=\"Email\" 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\">Get in touch with us immediately<\/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<\/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;}\" 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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\/products\/landercoll-cellulose\/\" 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\/products\/accurate-redispersible-polymer-powder\/\" target=\"_blank\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Accurate VAE-RDP<\/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\/products\/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\/products\/food-additives\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Define Food 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\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\/products\/uquick-pharmaceutical-intermediates\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Uquick Pharmaceutical 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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\/markets\/construction-2\/\" target=\"_blank\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Construction 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\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\/markets\/personal-home-care\/\" target=\"_blank\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Personal & Home 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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\tQuick links\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>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Advanced Chemical Additives In Oil Well Cementing Technology What is Oil Well Cementing? Oil well cementing is a process of inserting casing into a wellbore and injecting cement into the annular space between the casing. As an important part of the oil drilling industry, there are typically at least two cementing operations for production wells [&hellip;]<\/p>\n","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\/en\/wp-json\/wp\/v2\/posts\/21518","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/landu-china.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/landu-china.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/landu-china.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/landu-china.com\/en\/wp-json\/wp\/v2\/comments?post=21518"}],"version-history":[{"count":11,"href":"https:\/\/landu-china.com\/en\/wp-json\/wp\/v2\/posts\/21518\/revisions"}],"predecessor-version":[{"id":21532,"href":"https:\/\/landu-china.com\/en\/wp-json\/wp\/v2\/posts\/21518\/revisions\/21532"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/landu-china.com\/en\/wp-json\/wp\/v2\/media\/21519"}],"wp:attachment":[{"href":"https:\/\/landu-china.com\/en\/wp-json\/wp\/v2\/media?parent=21518"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/landu-china.com\/en\/wp-json\/wp\/v2\/categories?post=21518"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/landu-china.com\/en\/wp-json\/wp\/v2\/tags?post=21518"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}