{"id":18851,"date":"2026-01-26T22:41:43","date_gmt":"2026-01-26T14:41:43","guid":{"rendered":"https:\/\/www.jt-petro.com\/?p=18851"},"modified":"2026-02-03T16:32:29","modified_gmt":"2026-02-03T08:32:29","slug":"nomarl-and-special-thread-casing-copper-coated","status":"publish","type":"post","link":"https:\/\/www.jt-petro.com\/?p=18851","title":{"rendered":"Nomarl and Special Thread Casing-Copper Coated"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p>Nomarl and Special Thread Casing-Copper Coated<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18856\" src=\"https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126223519_124_2.webp\" alt=\"\" width=\"1440\" height=\"1080\" srcset=\"https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126223519_124_2.webp 1440w, https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126223519_124_2-600x450.webp 600w, https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126223519_124_2-1024x768.webp 1024w, https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126223519_124_2-768x576.webp 768w\" sizes=\"auto, (max-width: 1440px) 100vw, 1440px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18852\" src=\"https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126223516_120_2.webp\" alt=\"\" width=\"1280\" height=\"960\" srcset=\"https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126223516_120_2.webp 1280w, https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126223516_120_2-600x450.webp 600w, https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126223516_120_2-1024x768.webp 1024w, https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126223516_120_2-768x576.webp 768w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18853\" src=\"https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126223517_121_2.webp\" alt=\"\" width=\"1280\" height=\"960\" srcset=\"https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126223517_121_2.webp 1280w, https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126223517_121_2-600x450.webp 600w, https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126223517_121_2-1024x768.webp 1024w, https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126223517_121_2-768x576.webp 768w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18854\" src=\"https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126223518_122_2.webp\" alt=\"\" width=\"1280\" height=\"960\" srcset=\"https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126223518_122_2.webp 1280w, https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126223518_122_2-600x450.webp 600w, https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126223518_122_2-1024x768.webp 1024w, https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126223518_122_2-768x576.webp 768w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18855\" src=\"https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126223518_123_2.webp\" alt=\"\" width=\"1280\" height=\"959\" srcset=\"https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126223518_123_2.webp 1280w, https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126223518_123_2-600x450.webp 600w, https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126223518_123_2-1024x767.webp 1024w, https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126223518_123_2-768x575.webp 768w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p>Many types of special casings and tubings including anticorrosion casing and tubing, high collopse casing, high temperature casing, premium connection casing and tubing have been successively developed some of which have reached the level of world class.<\/p>\n<ul>\n<li>\u00a0Application<\/li>\n<li>Casing for oil and gas well drilling<\/li>\n<li>Tubing for oil and gas extraction<\/li>\n<li>\u00a0Product Type<\/li>\n<li>Seamless casing and coupling<\/li>\n<li>ERW casing<\/li>\n<li>Seamless tubing and coupling<\/li>\n<li>Anticorrosion casing and tubing<\/li>\n<li>High collapse casing<\/li>\n<li>High temperature casing<\/li>\n<li>Premium thread connection casing and tubing<\/li>\n<li>Pup-joint of casing and tubing<\/li>\n<li>Crossover of casing and tubing<\/li>\n<\/ul>\n<p>Features<\/p>\n<ul>\n<li>High precision in size and shape<\/li>\n<li>Good corrosion resistance<\/li>\n<li>High collapse strength<\/li>\n<li>Excellent comprehensive mechanical properties<\/li>\n<li>High connection strength and sealability<\/li>\n<li>Constant mechanical properties at high temperature<\/li>\n<li>\u00a0Specifications<\/li>\n<li>API Spec 5CT \u00a0\u00a0\u00a0Specification for Casing and Tubing<\/li>\n<li>API Spec 5B\u00a0\u00a0\u00a0\u00a0Specification for Threading, Gauging, and thread Inspection of Casing, Tubing, and Line Pipe Thread<\/li>\n<li>Other manufactures\u2019 specifications higher than API Spec<\/li>\n<\/ul>\n<p><strong><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18703\" src=\"https:\/\/www.jt-petro.com\/wp-content\/uploads\/2021\/09\/\u5fae\u4fe1\u56fe\u7247_2026-01-25_003913_246.webp\" alt=\"\" width=\"736\" height=\"541\" srcset=\"https:\/\/www.jt-petro.com\/wp-content\/uploads\/2021\/09\/\u5fae\u4fe1\u56fe\u7247_2026-01-25_003913_246.webp 736w, https:\/\/www.jt-petro.com\/wp-content\/uploads\/2021\/09\/\u5fae\u4fe1\u56fe\u7247_2026-01-25_003913_246-600x441.webp 600w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/><\/strong><\/p>\n<p style=\"text-align: center;\"><strong><span style=\"font-size: 20px;\">Process Flowchart of Casing and Tubing<\/span><\/strong><\/p>\n<p>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18911\" src=\"https:\/\/www.jt-petro.com\/wp-content\/uploads\/2021\/09\/casing-and-tubing2.jpg\" alt=\"\" width=\"1835\" height=\"2170\" \/><\/p>\n<p style=\"text-align: center;\"><strong><span style=\"font-size: 20px;\">Process Flowchart of Coupling<\/span><\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><strong>High <\/strong><strong>C<\/strong><strong>ollapse <\/strong><strong>C<\/strong><strong>asing<\/strong><\/p>\n<p>Featuring uniform,fine microstructure and optimized chemical composition,these casings can sustain higher external pressure and axial\u00a0load,suitable for offshore oil wells and those wells with complicated geological conditions.<\/p>\n<p><strong>Sour <\/strong><strong>S<\/strong><strong>ervice <\/strong><strong>C<\/strong><strong>asing<\/strong><\/p>\n<p>Featuring excellent anti-H2S corrosion properties,these casings are suitable for medium and deep oil well applications in H2S environment.<\/p>\n<p><strong>Heavy <\/strong><strong>O<\/strong><strong>il <\/strong><strong>R<\/strong><strong>ecovery Casing<\/strong><\/p>\n<p>Featuring good thermal stability, high collapse strength and good ductility,excellent sealing property in high temperture. These casing are especially used for thermal production well,having high strength and ductility,suitable for steam injection at 350\u2103-400\u2103,and injection pressure 15-26 Mpa at the perforation section of wells.<\/p>\n<p><strong>Special <\/strong><strong>T<\/strong><strong>hread<\/strong><strong>\u00a0Casing and Tubing<\/strong><\/p>\n<p>We can provide special thread casing\u00a0and tubing, these special thread has very good gas sealing performance, according to customer&#8217;s request\uff0csuch as below TPCO special thread.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 20px;\">Internal Coating for Casing &amp; Tubing<\/span><\/p>\n<p>Generally, the internal coating for casing and tubing is made of optimized epoxy phenolic resin. It has high impact and temperature resistance, perfect edge coverage, extremely high glossiness and flexibility, and excellent adhesion and abrasion resistance. The combination of epoxy and phenolic formulations provides the superior molecular interlinkage, and also the same bend resistance and torque resistance as metal. The internal coating for casing and tubing is suitable for extremely corrosive or high temperature environment, such as chemical treatment wells, high temperature and high pressure corrosive wells. What\u2019s more, it can provide the capability of resistance to scale, pitch and paraffin so as to promote flow efficiency.<\/p>\n<ul>\n<li>\u00a0Product Type<\/li>\n<li>Liquid modified epoxy phenolic resin<\/li>\n<li>Epoxy phenolic resin powder<\/li>\n<li>\u00a0Features<\/li>\n<li>Smooth surface<\/li>\n<li>Excellent adhesion<\/li>\n<li>Excellent flexibility<\/li>\n<li>High acid &amp; alkali proof<\/li>\n<li>Coating thickness: 125-250 \u03bcm<\/li>\n<li>Visual inspection: no run\/pin holes\/drops\/bubbles<\/li>\n<li>High temperature resistance: up to 204 \u2103\u00a0(400 \u02daF)<\/li>\n<li>\u00a0Application<\/li>\n<li>Casing and tubing of Injection water wells and wasted water wells<\/li>\n<li>Tubing and line pipe for acidizing<\/li>\n<li>Strengthened exploitation system and brine treatment system<\/li>\n<\/ul>\n<p style=\"text-align: center;\"><span style=\"font-size: 20px;\">Process Flowchart of Internal Coating for Casing and tubing<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18912\" src=\"https:\/\/www.jt-petro.com\/wp-content\/uploads\/2021\/09\/casing-3.webp\" alt=\"\" width=\"1920\" height=\"545\" srcset=\"https:\/\/www.jt-petro.com\/wp-content\/uploads\/2021\/09\/casing-3.webp 1920w, https:\/\/www.jt-petro.com\/wp-content\/uploads\/2021\/09\/casing-3-600x170.webp 600w, https:\/\/www.jt-petro.com\/wp-content\/uploads\/2021\/09\/casing-3-1024x291.webp 1024w, https:\/\/www.jt-petro.com\/wp-content\/uploads\/2021\/09\/casing-3-768x218.webp 768w, https:\/\/www.jt-petro.com\/wp-content\/uploads\/2021\/09\/casing-3-1536x436.webp 1536w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Nomarl and Special Thread Casing-Copper Coated M [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":18854,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[118],"tags":[],"class_list":["post-18851","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tubing-casing-pipeline-products"],"_links":{"self":[{"href":"https:\/\/www.jt-petro.com\/index.php?rest_route=\/wp\/v2\/posts\/18851","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jt-petro.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jt-petro.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jt-petro.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jt-petro.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=18851"}],"version-history":[{"count":3,"href":"https:\/\/www.jt-petro.com\/index.php?rest_route=\/wp\/v2\/posts\/18851\/revisions"}],"predecessor-version":[{"id":19059,"href":"https:\/\/www.jt-petro.com\/index.php?rest_route=\/wp\/v2\/posts\/18851\/revisions\/19059"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jt-petro.com\/index.php?rest_route=\/wp\/v2\/media\/18854"}],"wp:attachment":[{"href":"https:\/\/www.jt-petro.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=18851"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jt-petro.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18851"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jt-petro.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18851"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}