{"id":18837,"date":"2026-01-26T20:10:43","date_gmt":"2026-01-26T12:10:43","guid":{"rendered":"https:\/\/www.jt-petro.com\/?p=18837"},"modified":"2026-02-08T22:42:09","modified_gmt":"2026-02-08T14:42:09","slug":"coupling-for-tubing-and-casing","status":"publish","type":"post","link":"https:\/\/www.jt-petro.com\/?p=18837","title":{"rendered":"Coupling for Tubing and Casing"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><strong>Casing Coupling<\/strong><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-18840 alignright\" src=\"https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126200404_112_2.webp\" alt=\"\" width=\"422\" height=\"422\" srcset=\"https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126200404_112_2.webp 650w, https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126200404_112_2-600x600.webp 600w, https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126200404_112_2-400x400.webp 400w\" sizes=\"auto, (max-width: 422px) 100vw, 422px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><strong>Features<\/strong><\/span><\/p>\n<ul>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">High precision in size and shape<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Good corrosion resistance<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">High collapse strength<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Excellent comprehensive mechanical properties<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">High connection strength and sealability<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Constant mechanical properties at high temperature<\/span><\/li>\n<\/ul>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><strong>\u00a0Specifications<\/strong><\/span><\/p>\n<ul>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">API Spec 5CT \u00a0\u00a0\u00a0Specification for Casing and Tubing<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">API Spec 5B\u00a0\u00a0\u00a0\u00a0Specification for Threading, Gauging, and thread Inspection of Casing, Tubing, and Line Pipe Thread<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Other manufactures\u2019 specifications higher than API Spec<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<table style=\"width: 96.1097%; height: 771px;\">\n<tbody>\n<tr style=\"height: 33px;\">\n<td style=\"width: 8.3589%; text-align: center; height: 33px;\" width=\"63\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Products<\/span><\/td>\n<td style=\"width: 11.7332%; text-align: center; height: 33px;\" width=\"60\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Pipe type<\/span><\/td>\n<td style=\"width: 20.092%; text-align: center; height: 33px;\" width=\"136\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Steel grade<\/span><\/td>\n<td style=\"width: 15.8742%; text-align: center; height: 33px;\" width=\"92\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Outside diameter<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">mm (in)<\/span><\/td>\n<td style=\"width: 10.2761%; text-align: center; height: 33px;\" width=\"93\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Wall thickness <\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">mm (in)<\/span><\/td>\n<td style=\"width: 10.1994%; text-align: center; height: 33px;\" width=\"61\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Thread type<\/span><\/td>\n<td style=\"width: 11.4859%; text-align: center; height: 33px;\" width=\"76\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Production capacity <\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">ton\/year<\/span><\/td>\n<\/tr>\n<tr style=\"height: 47px;\">\n<td style=\"width: 8.3589%; height: 335px;\" rowspan=\"3\" width=\"63\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Casing \u00a0and Coupling<\/span><\/td>\n<td style=\"width: 11.7332%; height: 325px;\" rowspan=\"2\" width=\"60\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Seamless Pipe<\/span><\/td>\n<td style=\"width: 20.092%; height: 47px;\" width=\"136\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">J55, K55, M65, L80, N80, <\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">C90, C95, Pl10<\/span><\/td>\n<td style=\"width: 15.8742%; height: 47px;\" width=\"92\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">114.3-508.0 (4-1\/2-20)<\/span><\/td>\n<td style=\"width: 10.2761%; height: 47px;\" width=\"93\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">5.2-16.13<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">(0.22-0.635)<\/span><\/td>\n<td style=\"width: 10.1994%; height: 47px;\" width=\"61\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">PSLBE<sup>\u2461<\/sup><\/span><\/td>\n<td style=\"width: 11.4859%; height: 47px;\" width=\"76\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">2, 250, 000\u00a0<\/span><\/td>\n<\/tr>\n<tr style=\"height: 278px;\">\n<td style=\"width: 20.092%; height: 278px;\" width=\"136\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">TP65H, TP80S, TP80SS,<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"> TP80T, TP80TS, TP80CQJ,<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"> TP90S, TP90SS, TP90, TP90H,<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"> TP95S, TP95SS, TP95T,<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"> TP95TS, TP95TT, TP100,<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"> TP100H, TP110T, TP110TT,<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"> TP110CQJ, TP125TT<sup>\u2460<\/sup><\/span><\/td>\n<td style=\"width: 15.8742%; height: 278px;\" width=\"92\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">114.3-339.7 (4-1\/2-13-3\/8)<\/span><\/td>\n<td style=\"width: 10.2761%; height: 278px;\" width=\"93\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">5.2-15.88<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">(0.22-0.625)<\/span><\/td>\n<td style=\"width: 10.1994%; height: 278px;\" width=\"61\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">PSLB<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">TP-CQ<sup>\u2462<\/sup><\/span><\/td>\n<td style=\"width: 11.4859%; height: 278px;\" width=\"76\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">200, 000\u00a0\u00a0<\/span><\/td>\n<\/tr>\n<tr style=\"height: 10px;\">\n<td style=\"width: 11.7332%; height: 10px;\" width=\"60\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">ERW Pipe<\/span><\/td>\n<td style=\"width: 20.092%; height: 10px;\" width=\"136\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">J55, K55<\/span><\/td>\n<td style=\"width: 15.8742%; height: 10px;\" width=\"92\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">139.7-508.0 (5-1\/2-20)<\/span><\/td>\n<td style=\"width: 10.2761%; height: 10px;\" width=\"93\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">5.87-13.84<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">(0.23-0.545)<\/span><\/td>\n<td style=\"width: 10.1994%; height: 10px;\" width=\"61\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">PSLB<\/span><\/td>\n<td style=\"width: 11.4859%; height: 10px;\" width=\"76\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">500, 000\u00a0<\/span><\/td>\n<\/tr>\n<tr style=\"height: 10px;\">\n<td style=\"width: 8.3589%; height: 10px;\" width=\"63\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Tubing and Coupling<\/span><\/td>\n<td style=\"width: 11.7332%; height: 10px;\" width=\"60\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Seamless Pipe<\/span><\/td>\n<td style=\"width: 20.092%; height: 10px;\" width=\"136\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">J55, L80, N80, C90, Pll0, BG-80SS<sup>\u2463<\/sup><\/span><\/td>\n<td style=\"width: 15.8742%; height: 10px;\" width=\"92\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">48.26-114.3 (1.90-4-1\/2)<\/span><\/td>\n<td style=\"width: 10.2761%; height: 10px;\" width=\"93\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">3.68-9.52<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">(0.145-0.375)<\/span><\/td>\n<td style=\"width: 10.1994%; height: 10px;\" width=\"61\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">PNU<sup>\u2464<\/sup><\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">BGT<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">BGT-1<sup>\u2465<\/sup><\/span><\/td>\n<td style=\"width: 11.4859%; height: 10px;\" width=\"76\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">930, 000<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><strong><b>Notes:<\/b><\/strong>\u2460H=high temperature casing, S=sour service casing, SS=special sour service casing, T=high\u00a0 \u00a0 \u00a0collapse casing, TS=sour service &amp; high collapse casing, TT=special high collapse casing,CQJ=high \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0fatigue strength casing, TP=a code name of non API series;<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">\u2461P=plain end, S=short round thread, L=long round thread, B=buttress thread, E=extreme-line;<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">\u2462TP-CQ=premium thread connection of TP series;<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">\u2463BG-80SS=special sour service tubing of BG series, BG= a code name of non API series;<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">\u2464P=plain end, N=non-upset thread and coupled, U=external upset thread and coupled;<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">\u2465BGT, BGT-1= premium thread connection of BG series.<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><strong><span style=\"font-size: 20px;\">The Process Flowchart of Coupling<\/span><\/strong><\/span><\/p>\n<p><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-e1769752417618.webp\" alt=\"\" width=\"1834\" height=\"970\" srcset=\"https:\/\/www.jt-petro.com\/wp-content\/uploads\/2021\/09\/casing-and-tubing2-e1769752417618.webp 1834w, https:\/\/www.jt-petro.com\/wp-content\/uploads\/2021\/09\/casing-and-tubing2-e1769752417618-600x317.webp 600w, https:\/\/www.jt-petro.com\/wp-content\/uploads\/2021\/09\/casing-and-tubing2-e1769752417618-1024x542.webp 1024w, https:\/\/www.jt-petro.com\/wp-content\/uploads\/2021\/09\/casing-and-tubing2-e1769752417618-768x406.webp 768w, https:\/\/www.jt-petro.com\/wp-content\/uploads\/2021\/09\/casing-and-tubing2-e1769752417618-1536x812.webp 1536w\" sizes=\"auto, (max-width: 1834px) 100vw, 1834px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18838\" src=\"https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126200403_110_2.webp\" alt=\"\" width=\"1065\" height=\"800\" srcset=\"https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126200403_110_2.webp 1065w, https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126200403_110_2-600x451.webp 600w, https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126200403_110_2-1024x769.webp 1024w, https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126200403_110_2-768x577.webp 768w\" sizes=\"auto, (max-width: 1065px) 100vw, 1065px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18839\" src=\"https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126200403_111_2.webp\" alt=\"\" width=\"500\" height=\"667\" srcset=\"https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126200403_111_2.webp 500w, https:\/\/www.jt-petro.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260126200403_111_2-450x600.webp 450w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; &nbsp; Casing Coupling &nbsp; &nbsp; Features Hi [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":18838,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[118],"tags":[],"class_list":["post-18837","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\/18837","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=18837"}],"version-history":[{"count":13,"href":"https:\/\/www.jt-petro.com\/index.php?rest_route=\/wp\/v2\/posts\/18837\/revisions"}],"predecessor-version":[{"id":19092,"href":"https:\/\/www.jt-petro.com\/index.php?rest_route=\/wp\/v2\/posts\/18837\/revisions\/19092"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jt-petro.com\/index.php?rest_route=\/wp\/v2\/media\/18838"}],"wp:attachment":[{"href":"https:\/\/www.jt-petro.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=18837"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jt-petro.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18837"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jt-petro.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18837"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}