{"id":33162,"date":"2026-07-27T21:00:34","date_gmt":"2026-07-27T21:00:34","guid":{"rendered":"https:\/\/www.petroleumtube.com\/oil-country-tubular-goods-octg-types-specifications-applications-3\/"},"modified":"2026-07-27T21:00:34","modified_gmt":"2026-07-27T21:00:34","slug":"oil-country-tubular-goods-octg-types-specifications-applications-3","status":"publish","type":"post","link":"https:\/\/www.petroleumtube.com\/ru\/oil-country-tubular-goods-octg-types-specifications-applications-3\/","title":{"rendered":"Oil Country Tubular Goods (OCTG): Types, Specifications &amp; Applications"},"content":{"rendered":"<p><a href=\"\/tag\/oil-country-tubular-goods\" target=\"_blank\"><strong><a href=\"\/tag\/oil-country-tubular\" target=\"_blank\"><strong><a href=\"\/tag\/oil\" target=\"_blank\"><strong>oil<\/strong><\/a> country <a href=\"\/tag\/tubular\" target=\"_blank\"><strong>tubular<\/strong><\/a><\/strong><\/a> goods<\/strong><\/a> (<a href=\"\/tag\/octg\" target=\"_blank\"><strong>octg<\/strong><\/a>) are <a href=\"\/tag\/special\" target=\"_blank\"><strong>special<\/strong><\/a>ized <a href=\"\/tag\/steel\" target=\"_blank\"><strong>steel<\/strong><\/a> <a href=\"\/tag\/pipe\" target=\"_blank\"><strong><strong> Pipe<\/strong><\/strong><\/a>s <a href=\"\/tag\/used\" target=\"_blank\"><strong>used<\/strong><\/a> in <a href=\"\/tag\/oil-and-gas\" target=\"_blank\"><strong>Oil and <a href=\"\/tag\/gas\" target=\"_blank\"><strong>gas<\/strong><\/a><\/strong><\/a> <a href=\"\/tag\/exploration\" target=\"_blank\"><strong>exploration<\/strong><\/a> and <a href=\"\/tag\/production\" target=\"_blank\"><strong>production<\/strong><\/a>. This article provides a <a href=\"\/tag\/comprehensive\" target=\"_blank\"><strong>comprehensive<\/strong><\/a> <a href=\"\/tag\/overview\" target=\"_blank\"><strong>overview<\/strong><\/a> of <a href=\"\/tag\/octg-products\" target=\"_blank\"><strong>octg products<\/strong><\/a>.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_63 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.petroleumtube.com\/ru\/oil-country-tubular-goods-octg-types-specifications-applications-3\/#types_of_OCTG\" title=\"types of OCTG\">types of OCTG<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.petroleumtube.com\/ru\/oil-country-tubular-goods-octg-types-specifications-applications-3\/#_API_standards\" title=\"\u00a0API standards\">\u00a0API standards<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.petroleumtube.com\/ru\/oil-country-tubular-goods-octg-types-specifications-applications-3\/#material_selection\" title=\"material selection\">material selection<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.petroleumtube.com\/ru\/oil-country-tubular-goods-octg-types-specifications-applications-3\/#quality_testing\" title=\"quality testing\">quality testing<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"types_of_OCTG\"><\/span><a href=\"\/tag\/types\" target=\"_blank\"><strong><a href=\"\/tag\/type\" target=\"_blank\"><strong>type<\/strong><\/a>s<\/strong><\/a> of OCTG<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><strong><a href=\"\/tag\/drill-pipe\" target=\"_blank\"><strong><a href=\"\/tag\/drill\" target=\"_blank\"><strong>drill<\/strong><\/a> Pipe<\/strong><\/a>:<\/strong> Transmits rotary motion to the drill bit<\/li>\n<li><strong><a href=\"\/tag\/casing-pipe\" target=\"_blank\"><strong><a href=\"\/tag\/casing\" target=\"_blank\"><strong>casing<\/strong><\/a> pipe<\/strong><\/a>:<\/strong> <a href=\"\/tag\/line\" target=\"_blank\"><strong>line<\/strong><\/a>s the <a href=\"\/tag\/well\" target=\"_blank\"><strong>well<\/strong><\/a><a href=\"\/tag\/bore\" target=\"_blank\"><strong>bore<\/strong><\/a> to prevent <a href=\"\/tag\/collapse\" target=\"_blank\"><strong>collapse<\/strong><\/a><\/li>\n<li><strong><a href=\"\/tag\/tubing\" target=\"_blank\"><strong><strong>Tubing<\/strong><\/strong><\/a> Pipe:<\/strong> Conveys production fluids to <a href=\"\/tag\/surface\" target=\"_blank\"><strong>surface<\/strong><\/a><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"_API_standards\"><\/span><a href=\"\/tag\/api\" target=\"_blank\"><strong><strong>\u00a0API<\/strong><\/strong><\/a> <a href=\"\/tag\/standards\" target=\"_blank\"><strong><a href=\"\/tag\/standard\" target=\"_blank\"><strong><a href=\"\/tag\/stand\" target=\"_blank\"><strong>stand<\/strong><\/a>ard<\/strong><\/a>s<\/strong><\/a><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>OCTG products must comply <a href=\"\/tag\/with\" target=\"_blank\"><strong>with<\/strong><\/a> <a href=\"\/tag\/api-5ct-2\" target=\"_blank\"><strong><a href=\"\/tag\/api-5c\" target=\"_blank\"><strong>api 5c<\/strong><\/a>t<\/strong><\/a>, API 5B, and API 5L standards. <a href=\"\/tag\/these\" target=\"_blank\"><strong>these<\/strong><\/a> standards <a href=\"\/tag\/ensure\" target=\"_blank\"><strong>ensure<\/strong><\/a> compatibility and <a href=\"\/tag\/safety\" target=\"_blank\"><strong>safety<\/strong><\/a> in <a href=\"\/tag\/oilfield\" target=\"_blank\"><strong>oil<a href=\"\/tag\/field\" target=\"_blank\"><strong>field<\/strong><\/a><\/strong><\/a> <a href=\"\/tag\/operations\" target=\"_blank\"><strong>o<a href=\"\/tag\/per\" target=\"_blank\"><strong>per<\/strong><\/a>ations<\/strong><\/a>.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"material_selection\"><\/span><a href=\"\/tag\/material\" target=\"_blank\"><strong>material<\/strong><\/a> <a href=\"\/tag\/selection\" target=\"_blank\"><strong><a href=\"\/tag\/select\" target=\"_blank\"><strong>select<\/strong><\/a>ion<\/strong><\/a><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"\/tag\/choosing\" target=\"_blank\"><strong>choosing<\/strong><\/a> the <a href=\"\/tag\/right\" target=\"_blank\"><strong>right<\/strong><\/a> material dep<a href=\"\/tag\/ends\" target=\"_blank\"><strong>ends<\/strong><\/a> on well depth, <a href=\"\/tag\/pressure\" target=\"_blank\"><strong>pressure<\/strong><\/a>, <a href=\"\/tag\/temperature\" target=\"_blank\"><strong>temperature<\/strong><\/a>, and corrosive environment. <a href=\"\/tag\/common\" target=\"_blank\"><strong>common<\/strong><\/a> <a href=\"\/tag\/grades\" target=\"_blank\"><strong><a href=\"\/tag\/grade\" target=\"_blank\"><strong>grade<\/strong><\/a>s<\/strong><\/a> include <a href=\"\/tag\/j55\" target=\"_blank\"><strong><strong> J55<\/strong><\/strong><\/a>, <a href=\"\/tag\/n80\" target=\"_blank\"><strong><strong> N80<\/strong><\/strong><\/a>, <a href=\"\/tag\/l80\" target=\"_blank\"><strong><strong> L80<\/strong><\/strong><\/a>, and <a href=\"\/tag\/p110\" target=\"_blank\"><strong><strong> P110<\/strong><\/strong><\/a>.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"quality_testing\"><\/span><a href=\"\/tag\/quality\" target=\"_blank\"><strong>quality<\/strong><\/a> <a href=\"\/tag\/testing\" target=\"_blank\"><strong>testing<\/strong><\/a><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Each OCTG product undergoes rigorous testing including <a href=\"\/tag\/hydrostatic-test\" target=\"_blank\"><strong>Hydrostatic test<\/strong><\/a>, charpy <a href=\"\/tag\/impact\" target=\"_blank\"><strong>impact<\/strong><\/a> test, and <a href=\"\/tag\/hardness\" target=\"_blank\"><strong>hardness<\/strong><\/a> test.<\/p>\n<p><em>Keywords: OCTG, oil country <a href=\"\/tag\/tubular-goods\" target=\"_blank\"><strong>tubular goods<\/strong><\/a>, drill pipe, casing, tubing, API <strong> 5CT<\/strong><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p><a href=\"\/tag\/oil-country-tubular-goods\" target=\"_blank\"><strong><a href=\"\/tag\/oil-country-tubular\" target=\"_blank\"><strong><a href=\"\/tag\/oil\" target=\"_blank\"><strong>oil<\/strong><\/a> country <a href=\"\/tag\/tubular\" target=\"_blank\"><strong>tubular<\/strong><\/a><\/strong><\/a> goods<\/strong><\/a> (<a href=\"\/tag\/octg\" target=\"_blank\"><strong>octg<\/strong><\/a>) are <a href=\"\/tag\/special\" target=\"_blank\"><strong>special<\/strong><\/a>ized <a href=\"\/tag\/steel\" target=\"_blank\"><strong>steel<\/strong><\/a> <a href=\"\/tag\/pipe\" target=\"_blank\"><strong><strong> Pipe<\/strong><\/strong><\/a>s <a href=\"\/tag\/used\" target=\"_blank\"><strong>used<\/strong><\/a> in <a href=\"\/tag\/oil-and-gas\" target=\"_blank\"><strong>Oil and <a href=\"\/tag\/gas\" target=\"_blank\"><strong>gas<\/strong><\/a><\/strong><\/a> <a href=\"\/tag\/exploration\" target=\"_blank\"><strong>exploration<\/strong><\/a> and <a href=\"\/tag\/production\" target=\"_blank\"><strong>production<\/strong><\/a>. This article provides&#8230;<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[1],"tags":[11524,11135,10792,10793,10720,7220,7204,7160,7031,6866,6914,6872,6873,4659,4598,4170,4153,4144,4111,4079,4063,4066,4049,3995,3980,3915,3906,3903,3884,3880,3876,3754,3734,3689,3681,3672,3657,3648,3641,3638,3633,3631,3543,3526,3491,3490,3484,3485,3486,1892,1847,1401,1172,1154,1123,935,729,391,293,86,89,73,51,53],"translation":{"provider":"WPGlobus","version":"2.12.0","language":"ru","enabled_languages":["en","es","de","fr","ru","it","pl","hi","th","ko","sv"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"es":{"title":false,"content":false,"excerpt":false},"de":{"title":false,"content":false,"excerpt":false},"fr":{"title":false,"content":false,"excerpt":false},"ru":{"title":false,"content":false,"excerpt":false},"it":{"title":false,"content":false,"excerpt":false},"pl":{"title":false,"content":false,"excerpt":false},"hi":{"title":false,"content":false,"excerpt":false},"th":{"title":false,"content":false,"excerpt":false},"ko":{"title":false,"content":false,"excerpt":false},"sv":{"title":false,"content":false,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/www.petroleumtube.com\/ru\/wp-json\/wp\/v2\/posts\/33162"}],"collection":[{"href":"https:\/\/www.petroleumtube.com\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.petroleumtube.com\/ru\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/www.petroleumtube.com\/ru\/wp-json\/wp\/v2\/comments?post=33162"}],"version-history":[{"count":0,"href":"https:\/\/www.petroleumtube.com\/ru\/wp-json\/wp\/v2\/posts\/33162\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.petroleumtube.com\/ru\/wp-json\/wp\/v2\/media?parent=33162"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.petroleumtube.com\/ru\/wp-json\/wp\/v2\/categories?post=33162"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.petroleumtube.com\/ru\/wp-json\/wp\/v2\/tags?post=33162"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}