{"id":23730,"date":"2025-08-18T02:39:29","date_gmt":"2025-08-18T02:39:29","guid":{"rendered":"https:\/\/tuspipe.es\/?p=23730"},"modified":"2025-08-18T02:53:04","modified_gmt":"2025-08-18T02:53:04","slug":"octg","status":"publish","type":"post","link":"https:\/\/tuspipe.es\/pt\/blog\/octg\/","title":{"rendered":"Descri\u00e7\u00e3o geral de OCTG: Normas, materiais e processos de fabrico"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"23730\" class=\"elementor elementor-23730\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ae47649 e-flex e-con-boxed e-con e-parent\" data-id=\"ae47649\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7430493 elementor-widget elementor-widget-text-editor\" data-id=\"7430493\" data-element_type=\"widget\" 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>Os tub\u00e9rculos que hoje analisamos s\u00e3o a for\u00e7a dominante na ind\u00fastria de extra\u00e7\u00e3o e transporte de petr\u00f3leo, denominados, na maioria dos casos, o elemento vital da ind\u00fastria petrol\u00edfera: os OCTG. OCTG significa Productos Tubulares para Campos Petroleros (Oil Country Tubular Goods), que constituem a infraestrutura central da ind\u00fastria global do petr\u00f3leo e do g\u00e1s e ocupam uma posi\u00e7\u00e3o estrat\u00e9gica insustitu\u00edvel.<\/p>\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<div class=\"elementor-element elementor-element-1c4ff92 e-flex e-con-boxed e-con e-parent\" data-id=\"1c4ff92\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-11ec939 elementor-widget elementor-widget-heading\" data-id=\"11ec939\" data-element_type=\"widget\" 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\">O que \u00e9 OCTG?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-70b19be elementor-widget elementor-widget-text-editor\" data-id=\"70b19be\" data-element_type=\"widget\" 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><span dir=\"auto\">Os OCTG s\u00e3o constitu\u00eddos por tr\u00eas componentes principais:\u00a0<\/span><\/p><ul><li><span style=\"color: #ff6600;\"><strong><span dir=\"auto\">tubos de revestimiento que sustentam as paredes do po\u00e7o,<\/span><\/strong><\/span><\/li><li><span style=\"color: #ff6600;\"><strong><span dir=\"auto\">tubagens para o transporte de petr\u00f3leo e g\u00e1s<\/span><\/strong><\/span><\/li><li><span style=\"color: #ff6600;\"><strong><span dir=\"auto\">tubos de perfura\u00e7\u00e3o que transmitem pot\u00eancia de perfura\u00e7\u00e3o<\/span><\/strong><\/span><\/li><\/ul><p><b><span dir=\"auto\">As gradua\u00e7\u00f5es de a\u00e7o v\u00e3o de H40 a Q125<\/span><\/b><span dir=\"auto\">\u00a0com 10 graus est\u00e1ndar, al\u00e9m de graus especiais como o C90\/T95, resistente ao azufre e \u00e0 tens\u00e3o. A sua versatilidade garante a seguran\u00e7a e a efici\u00eancia na extra\u00e7\u00e3o e no transporte de petr\u00f3leo e g\u00e1s.<\/span><br \/><span dir=\"auto\">Hoje, apresentaremos principalmente a composi\u00e7\u00e3o dos tub\u00e9rculos OCTG, os est\u00e1ndares de produ\u00e7\u00e3o, a sele\u00e7\u00e3o de graus de a\u00e7o para diferentes ambientes, as considera\u00e7\u00f5es fundamentais para a compra de OCTG e as vantagens da nossa marca.<\/span><\/p>\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<div class=\"elementor-element elementor-element-06fe77a e-flex e-con-boxed e-con e-parent\" data-id=\"06fe77a\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d9dd81d elementor-widget elementor-widget-heading\" data-id=\"d9dd81d\" data-element_type=\"widget\" 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\">Composi\u00e7\u00e3o de OCTG<\/h2>\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<div class=\"elementor-element elementor-element-a91a188 e-flex e-con-boxed e-con e-parent\" data-id=\"a91a188\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6e25cf1 elementor-widget elementor-widget-text-editor\" data-id=\"6e25cf1\" data-element_type=\"widget\" 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>1. Tubo de repara\u00e7\u00e3o: Representa aproximadamente o 77% de todo o duto. As suas principais fun\u00e7\u00f5es incluem a preven\u00e7\u00e3o de colapsos, a elimina\u00e7\u00e3o de tubos subterr\u00e2neos e capas de hidrocarbonetos, a soldadura do po\u00e7o e a preven\u00e7\u00e3o de fugas. O revestimiento deve utilizar tub\u00e9rculos de grande di\u00e2metro. \u00c9 necess\u00e1ria uma elevada precis\u00e3o para as liga\u00e7\u00f5es roscadas.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c31aae5 elementor-widget elementor-widget-image\" data-id=\"c31aae5\" data-element_type=\"widget\" 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=\"300\" height=\"200\" src=\"https:\/\/tuspipe.es\/wp-content\/uploads\/2024\/03\/ASTM-A500-Grade-C.png\" class=\"attachment-large size-large wp-image-16930\" alt=\"ASTM A500 Grau C\" \/>\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-6bb5283 elementor-widget elementor-widget-text-editor\" data-id=\"6bb5283\" data-element_type=\"widget\" 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><span dir=\"auto\">2. Tubagem: Insere-se na tubagem de recupera\u00e7\u00e3o para transportar petr\u00f3leo e g\u00e1s natural para a superf\u00edcie. A tubagem de petr\u00f3leo exige elevados requisitos de resist\u00eancia \u00e0 corros\u00e3o e a temperaturas elevadas. A tubagem de recupera\u00e7\u00e3o e a tubagem de recupera\u00e7\u00e3o s\u00e3o semelhantes, mas apresentam diferen\u00e7as significativas.\u00a0<\/span><b><span dir=\"auto\">O tub\u00e9rculo de<\/span><\/b><span dir=\"auto\">\u00a0o revestimiento geralmente tem di\u00e2metros menores,\u00a0<\/span><b><span dir=\"auto\">de 3\/4 de pulgada a 4,5 pulgadas,<\/span><\/b><span dir=\"auto\">\u00a0e apresenta um\u00a0<\/span><b><span dir=\"auto\">cor met\u00e1lico natural<\/span><\/b><span dir=\"auto\">\u00a0. Os tub\u00e9rculos\u00a0<\/span><u><span dir=\"auto\">de revestimiento<\/span><\/u><span dir=\"auto\">\u00a0tienen\u00a0<\/span><u><span dir=\"auto\">di\u00e2metros superiores<\/span><\/u><span dir=\"auto\">\u00a0e est\u00e3o protegidos por uma capa resistente \u00e0 corros\u00e3o,\u00a0<\/span><u><\/u><span dir=\"auto\">o que\u00a0<\/span><u><span dir=\"auto\">A cor \u00e9 cinzenta ou negra.<\/span><\/u><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fc476e4 elementor-widget elementor-widget-image\" data-id=\"fc476e4\" data-element_type=\"widget\" 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=\"300\" height=\"200\" src=\"https:\/\/tuspipe.es\/wp-content\/uploads\/2024\/03\/AS-1163-C250.png\" class=\"attachment-large size-large wp-image-17130\" alt=\"Lista de fabricantes de tubos de a\u00e7o\" \/>\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-ef5e803 elementor-widget elementor-widget-text-editor\" data-id=\"ef5e803\" data-element_type=\"widget\" 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><span dir=\"auto\">3. Tubagem de perfura\u00e7\u00e3o: Conecta a plataforma de perfura\u00e7\u00e3o \u00e0 broca, com altos requisitos de rendimento f\u00edsico para a tubagem, utilizando geralmente tubagens sem costura como material principal.<\/span><\/p><p><span dir=\"auto\">De seguida, apresentam-se diagramas de produtos terminados em tubagens de repara\u00e7\u00e3o e tubagem OCTG, todos fabricados pela TUSPIPE, para ajudar a compreender melhor as diferen\u00e7as entre as tubagens. Se estiver interessado em realizar um pedido, envie-nos um e-mail e responderemos em breve.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-89e0c5b elementor-widget elementor-widget-image\" data-id=\"89e0c5b\" data-element_type=\"widget\" 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=\"300\" height=\"300\" src=\"https:\/\/tuspipe.es\/wp-content\/uploads\/2021\/10\/API-5CT-Seamless-L80-7-29-00-P-LC-Bc-Casing-Pipe-for-OCTG-300x300.jpg\" class=\"attachment-medium size-medium wp-image-1529\" alt=\"API 5CT N80\" srcset=\"https:\/\/tuspipe.es\/wp-content\/uploads\/2021\/10\/API-5CT-Seamless-L80-7-29-00-P-LC-Bc-Casing-Pipe-for-OCTG-300x300.jpg 300w, https:\/\/tuspipe.es\/wp-content\/uploads\/2021\/10\/API-5CT-Seamless-L80-7-29-00-P-LC-Bc-Casing-Pipe-for-OCTG-1024x1024.jpg 1024w, https:\/\/tuspipe.es\/wp-content\/uploads\/2021\/10\/API-5CT-Seamless-L80-7-29-00-P-LC-Bc-Casing-Pipe-for-OCTG-150x150.jpg 150w, https:\/\/tuspipe.es\/wp-content\/uploads\/2021\/10\/API-5CT-Seamless-L80-7-29-00-P-LC-Bc-Casing-Pipe-for-OCTG-768x768.jpg 768w, https:\/\/tuspipe.es\/wp-content\/uploads\/2021\/10\/API-5CT-Seamless-L80-7-29-00-P-LC-Bc-Casing-Pipe-for-OCTG.jpg 1500w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\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-282a93d elementor-widget elementor-widget-heading\" data-id=\"282a93d\" data-element_type=\"widget\" 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\">Est\u00e1ndares OCTG<\/h2>\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<div class=\"elementor-element elementor-element-f855592 e-flex e-con-boxed e-con e-parent\" data-id=\"f855592\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d5b68e3 elementor-widget elementor-widget-text-editor\" data-id=\"d5b68e3\" data-element_type=\"widget\" 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><span dir=\"auto\">La\u00a0<\/span><b><span dir=\"auto\">A norma principal para OCTG \u00e9 a API 5CT,<\/span><\/b><span dir=\"auto\">\u00a0que especifica os requisitos de fabrico para tuber\u00edas e tuber\u00edas de revestimiento para petr\u00f3leo, tanto soldadas como sin costura, e\u00a0<\/span><b><span dir=\"auto\">abarca diversos graus de a\u00e7o, como J55, N80 e P110.<\/span><\/b><span dir=\"auto\">\u00a0Tamb\u00e9m especifica os requisitos para as roscas dos tub\u00e9rculos, as toler\u00e2ncias, as propriedades mec\u00e2nicas e os testes.<\/span><\/p><p><span dir=\"auto\">Para al\u00e9m da norma API 5CT, a especifica\u00e7\u00e3o de tubagens API 5L estabelece determinados padr\u00f5es para tubagens de transporte de petr\u00f3leo e g\u00e1s. A norma API 5DP \u00e9 o padr\u00e3o de produ\u00e7\u00e3o para tubagens de perfura\u00e7\u00e3o, que especifica as suas propriedades mec\u00e2nicas, entre outros requisitos.<\/span><br \/><b><span dir=\"auto\">A seguir, s\u00e3o enumeradas as especifica\u00e7\u00f5es para OCTG de acordo com a norma API 5CT (9.\u00aa edi\u00e7\u00e3o, 2011).\u00a0\u00a0<\/span><\/b><a href=\"https:\/\/tuspipe.es\/pt\/standards\/api-5ct\/\" target=\"_blank\" rel=\"noopener\"><span dir=\"auto\">Para obter informa\u00e7\u00f5es mais pormenorizadas, visite a nossa p\u00e1gina de est\u00e1ndares.<\/span><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-22b560d elementor-widget elementor-widget-heading\" data-id=\"22b560d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Acero A36 Grados Equivalentes<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-45c091f elementor-widget elementor-widget-image\" data-id=\"45c091f\" data-element_type=\"widget\" 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\t<a href=\"https:\/\/tuspipe.es\/wp-content\/uploads\/2025\/08\/OCTG.png\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1020\" height=\"440\" src=\"https:\/\/tuspipe.es\/wp-content\/uploads\/2025\/08\/OCTG.png\" class=\"attachment-large size-large wp-image-23733\" alt=\"OCTG\" srcset=\"https:\/\/tuspipe.es\/wp-content\/uploads\/2025\/08\/OCTG.png 1020w, https:\/\/tuspipe.es\/wp-content\/uploads\/2025\/08\/OCTG-300x129.png 300w, https:\/\/tuspipe.es\/wp-content\/uploads\/2025\/08\/OCTG-768x331.png 768w, https:\/\/tuspipe.es\/wp-content\/uploads\/2025\/08\/OCTG-18x8.png 18w\" sizes=\"(max-width: 1020px) 100vw, 1020px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\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-8cbb27e elementor-widget elementor-widget-text-editor\" data-id=\"8cbb27e\" data-element_type=\"widget\" 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><span dir=\"auto\">Para conhecer as propriedades espec\u00edficas e as especifica\u00e7\u00f5es do produto dos graus de acero mencionados anteriormente, visite a nossa p\u00e1gina de produtos, que inclui os graus de acero e as especifica\u00e7\u00f5es que podemos produzir.\u00a0<\/span><\/p><p><span dir=\"auto\">Clique aqui:\u00a0<\/span><strong><a href=\"https:\/\/tuspipe.es\/pt\/blog\/octg\/\"><span dir=\"auto\">Produtos-OCTG<\/span><\/a><\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b56bfda elementor-widget elementor-widget-heading\" data-id=\"b56bfda\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2. Tipos de rosca OCTG<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c6da40a elementor-widget elementor-widget-text-editor\" data-id=\"c6da40a\" data-element_type=\"widget\" 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 class=\"elementor-element elementor-element-8c3ca17 elementor-widget elementor-widget-text-editor\" data-id=\"8c3ca17\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\"><div class=\"elementor-widget-container\"><p><span dir=\"auto\">As roscas dos tub\u00e9rculos OCTG ajustam-se principalmente \u00e0 norma API 5CT. Os tub\u00e9rculos de repara\u00e7\u00e3o e de produ\u00e7\u00e3o t\u00eam dois sistemas de rosca diferentes. Para obter informa\u00e7\u00f5es espec\u00edficas e tipos de rosca, consulte a continua\u00e7\u00e3o. Todos os tipos de rosca mencionados na continua\u00e7\u00e3o est\u00e3o dispon\u00edveis para venda na nossa f\u00e1brica. N\u00e3o hesite em contactar-nos em qualquer altura.<\/span><\/p><\/div><\/div><div class=\"elementor-element elementor-element-3585c12 elementor-widget elementor-widget-text-editor\" data-id=\"3585c12\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\"><div class=\"elementor-widget-container\"><table border=\"0\" width=\"742\" cellspacing=\"0\" cellpadding=\"0\"><tbody><tr><td width=\"137\" height=\"19\"><span dir=\"auto\">Tubo<\/span><\/td><td width=\"116\"><span dir=\"auto\">Tipo de hilo<\/span><\/td><td width=\"72\"><span dir=\"auto\">Afilar<\/span><\/td><td width=\"189\"><span dir=\"auto\">Perfil do hilo<\/span><\/td><td width=\"124\"><span dir=\"auto\">Press\u00e3o<\/span><\/td><td width=\"104\"><span dir=\"auto\">Grado de a\u00e7o<\/span><\/td><\/tr><tr><td class=\"et2\" rowspan=\"3\" height=\"114\"><span dir=\"auto\">Caja<\/span><\/td><td class=\"et3\"><span dir=\"auto\">STC<\/span><\/td><td class=\"et4\"><span dir=\"auto\">1:16<\/span><\/td><td class=\"et5\" width=\"189\"><span dir=\"auto\">Dentes em forma de V de 55\u00b0, base dent\u00e1ria redonda<\/span><\/td><td><span dir=\"auto\">\u226435 MPa<\/span><\/td><td class=\"et6\"><span dir=\"auto\">J55-N80<\/span><\/td><\/tr><tr><td class=\"et3\"><span dir=\"auto\">LTC<\/span><\/td><td class=\"et4\"><span dir=\"auto\">1:16<\/span><\/td><td class=\"et5\" width=\"189\"><span dir=\"auto\">Dentes em forma de V de 55\u00b0, base dent\u00e1ria redonda<\/span><\/td><td><span dir=\"auto\">\u226435 MPa<\/span><\/td><td class=\"et6\"><span dir=\"auto\">J55-N80<\/span><\/td><\/tr><tr><td class=\"et3\"><span dir=\"auto\">BCSG\/BTC<\/span><\/td><td class=\"et4\"><span dir=\"auto\">1:16<\/span><\/td><td class=\"et5\" width=\"189\"><span dir=\"auto\">3\u00b0 trapezoidal, parte superior plana e parte inferior plana<\/span><\/td><td><span dir=\"auto\">\u226470 MPa<\/span><\/td><td><span dir=\"auto\">L80-V150<\/span><\/td><\/tr><tr><td class=\"et2\" rowspan=\"2\" height=\"40\"><span dir=\"auto\">Tub\u00e9rculos<\/span><\/td><td class=\"et3\"><span dir=\"auto\">TBG\/NUE<\/span><\/td><td class=\"et4\"><span dir=\"auto\">1:16<\/span><\/td><td class=\"et7\" width=\"189\"><span dir=\"auto\">Dentes em forma de V de 55\u00b0<\/span><\/td><td><span dir=\"auto\">\u226435 MPa<\/span><\/td><td class=\"et5\" width=\"104\"><span dir=\"auto\">J55-P110<\/span><\/td><\/tr><tr><td class=\"et3\"><span dir=\"auto\">UPTBG\/EUE<\/span><\/td><td class=\"et4\"><span dir=\"auto\">1:12<\/span><\/td><td class=\"et7\" width=\"189\"><span dir=\"auto\">Dentes em forma de V de 55\u00b0<\/span><\/td><td><span dir=\"auto\">\u226460 MPa<\/span><\/td><td class=\"et5\" width=\"104\"><span dir=\"auto\">J55-P110<\/span><\/td><\/tr><\/tbody><\/table><\/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-6eb1c66 elementor-widget elementor-widget-heading\" data-id=\"6eb1c66\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3. Toler\u00e2ncias dos tubos OCTG<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2b2e1ff elementor-widget elementor-widget-text-editor\" data-id=\"2b2e1ff\" data-element_type=\"widget\" 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 class=\"elementor-element elementor-element-96abf50 elementor-widget elementor-widget-text-editor\" data-id=\"96abf50\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\"><div class=\"elementor-widget-container\"><p><span dir=\"auto\">As roscas dos tub\u00e9rculos OCTG ajustam-se principalmente \u00e0 norma API 5CT. Os tub\u00e9rculos de repara\u00e7\u00e3o e de produ\u00e7\u00e3o t\u00eam dois sistemas de rosca diferentes. Para obter informa\u00e7\u00f5es espec\u00edficas e tipos de rosca, consulte a continua\u00e7\u00e3o. Todos os tipos de rosca mencionados na continua\u00e7\u00e3o est\u00e3o dispon\u00edveis para venda na nossa f\u00e1brica. N\u00e3o hesite em contactar-nos em qualquer momento: steel@tuspipe.com.<\/span><\/p><\/div><\/div><div class=\"elementor-element elementor-element-9c887d4 elementor-widget elementor-widget-text-editor\" data-id=\"9c887d4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\"><div class=\"elementor-widget-container\"><h4><strong><span dir=\"auto\">Toler\u00e2ncias de Di\u00e2metro Exterior:<\/span><\/strong><\/h4><ul><li><b><span dir=\"auto\">Di\u00e2metro exterior \u2264 101,60 mm<\/span><\/b><span dir=\"auto\">\u00a0: \u00b10,79 mm;\u00a0<\/span><b><span dir=\"auto\">di\u00e1metro exterior \u2265 114,30 mm:<\/span><\/b><span dir=\"auto\">\u00a0banda de toler\u00e2ncia asim\u00e9trica +1,0 %\/-0,5 % (por exemplo, limite superior +2,44 mm e limite inferior -1,22 mm para carca\u00e7a de 244,48 mm).<\/span><\/li><li><span dir=\"auto\">Di\u00e2metro exterior do acoplamento: Toler\u00e2ncia Uniforme \u00b11%; a liga\u00e7\u00e3o entre o acoplamento e o extremo do tubo deve garantir uma coaxialidade \u22640,2 mm<\/span><\/li><\/ul><h4><strong><span dir=\"auto\">Toler\u00e2ncia de Espesor de pared:<\/span><\/strong><\/h4><ul><li><span dir=\"auto\">Toler\u00e2ncia negativa unidirecional -12,5%; o espessor de pared na zona de acoplamento n\u00e3o deve ter uma desvia\u00e7\u00e3o negativa e s\u00f3 pode ter uma desvia\u00e7\u00e3o positiva de \u2264+5%.<\/span><\/li><\/ul><h4><strong><span dir=\"auto\">Toler\u00e2ncia de Longitud:<\/span><\/strong><\/h4><ul><li><span dir=\"auto\">Tub\u00e9rculo estendido: 0 a +20 mm; tubagem estendida: 0 a +0,15 % (longitude superior a 12 m)<\/span><\/li><\/ul><h4><strong><span dir=\"auto\">Casos especiais:<\/span><\/strong><\/h4><ul><li><span dir=\"auto\">Em ambientes \u00e1cidos, a toler\u00e2ncia do di\u00e2metro exterior reduz-se a \u00b10,5% para evitar a corros\u00e3o e o envelhecimento dos tub\u00e9rculos.\u00a0<\/span><\/li><li><span dir=\"auto\">Para a repara\u00e7\u00e3o de po\u00e7os ultraprofundos, a toler\u00e2ncia do espessor de pared negativo reduz-se a -10 % (grado de acero V150).<\/span><\/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-5508e4c elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"5508e4c\" data-element_type=\"widget\" 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-26dce4a elementor-widget elementor-widget-heading\" data-id=\"26dce4a\" data-element_type=\"widget\" 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\">OCTG - Materiais para Tubos<\/h2>\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<div class=\"elementor-element elementor-element-33991f7 e-flex e-con-boxed e-con e-parent\" data-id=\"33991f7\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-77e10a3 elementor-widget elementor-widget-text-editor\" data-id=\"77e10a3\" data-element_type=\"widget\" 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><span dir=\"auto\">Devido ao ambiente operacional dos tubos OCTG, o material do tubo deve cumprir os requisitos de alta resist\u00eancia, resist\u00eancia \u00e0 corros\u00e3o, resist\u00eancia \u00e0 alta press\u00e3o e rendimento est\u00e1vel em condi\u00e7\u00f5es extremas. Existem quatro materiais principais que cumprem estes requisitos: a\u00e7o carbono, a\u00e7o inoxid\u00e1vel, a\u00e7o de alea\u00e7\u00e3o especial e materiais comp\u00f3sitos. A seguir, ser\u00e3o descritos os aspectos operacionais e as vantagens e desvantagens de cada material para ajudar a otimizar os custos do seu projeto de tubagens OCTG.<\/span><\/p><p><strong><span dir=\"auto\">1. Tubos OCTG de a\u00e7o e carbono<\/span><\/strong><\/p><p><span dir=\"auto\">As normas mencionadas anteriormente aplicam-se principalmente aos tub\u00e9rculos de a\u00e7o carbono. O a\u00e7o carbono tamb\u00e9m \u00e9 um a\u00e7o de alea\u00e7\u00e3o. Os graus est\u00e1ndar, como os tub\u00e9rculos de a\u00e7o carbono J55\/K55, s\u00e3o utilizados em po\u00e7os pouco profundos n\u00e3o corrosivos. Os a\u00e7os de alta resist\u00eancia, como o P110 e o X80, s\u00e3o adequados para po\u00e7os profundos. O a\u00e7o X80 cont\u00e9m n\u00edquel (Ni) adicionado para melhorar a resist\u00eancia \u00e0 fragilidade, o que o torna adequado para ambientes de temperaturas extremamente baixas. Para ambientes corrosivos, o a\u00e7o carbono L80 resiste eficazmente aos sulfurosos e \u00e9 adequado para instala\u00e7\u00f5es de petr\u00f3leo e g\u00e1s com teor de azoto.<\/span><\/p><p><strong><span dir=\"auto\">2. Acero inoxidable<\/span><\/strong><\/p><p><span dir=\"auto\">Os tubos OCTG de a\u00e7o inoxid\u00e1vel podem ser utilizados em po\u00e7os petrol\u00edferos com inje\u00e7\u00e3o de CO\u2082. O a\u00e7o martens\u00edtico 13Cr resiste \u00e0 corros\u00e3o por CO\u2082, mas a temperatura deve ser inferior a 150 \u00b0C. O a\u00e7o inoxid\u00e1vel d\u00faplex \u00e9 o material preferido para tub\u00e9rculos submarinos.<\/span><\/p><p><strong><span dir=\"auto\">3. Acero de aleaci\u00f3n especial<\/span><\/strong><\/p><p><span dir=\"auto\">As alea\u00e7\u00f5es de n\u00edquel-cromo resistem a H\u2082S + CO\u2082 + meios altamente corrosivos de alta salinidade e s\u00e3o aptas para po\u00e7os de g\u00e1s \u00e1cidos ultraprofundos. As alea\u00e7\u00f5es de tit\u00e2nio s\u00e3o o principal material para tubagens de \u00e1guas profundas, resistentes \u00e0 corros\u00e3o da \u00e1gua do mar, mas com um custo entre 8 e 10 vezes superior ao do a\u00e7o e carbono.<\/span><\/p><p><strong><span dir=\"auto\">4. Tubos compostos<\/span><\/strong><\/p><p><span dir=\"auto\">Tubos compostos de a\u00e7o e pl\u00e1stico: o material do revestimento interior \u00e9 PTEE com uma espessura de 1,5 mm ou superior; a capa exterior \u00e9 de a\u00e7o API 5L X60, resistente \u00e0 corros\u00e3o e com grande capacidade de suportar press\u00e3o. Este tipo de tubagem \u00e9 utilizado principalmente em redes de recolha e transporte de combust\u00edveis.<\/span><\/p><p><span dir=\"auto\">Os materiais mencionados anteriormente s\u00e3o de uso comum para tub\u00e9rculos OCTG. Como j\u00e1 mencion\u00e1mos, a sele\u00e7\u00e3o dos materiais e os processos de fabrico de tubagens adequados podem reduzir eficazmente os custos. TUSPIPE \u00e9 uma empresa com mais de 20 anos de experi\u00eancia na ind\u00fastria de tub\u00e9rculos. N\u00e3o contamos apenas com capacidade de produ\u00e7\u00e3o, mas tamb\u00e9m com pessoal t\u00e9cnico profissional que pode dar recomenda\u00e7\u00f5es sobre a sele\u00e7\u00e3o de materiais para tub\u00e9rculos, ajudando-a a conseguir uma redu\u00e7\u00e3o de custos e efici\u00eancia energ\u00e9tica.<\/span><\/p>\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<div class=\"elementor-element elementor-element-b5cde1a e-flex e-con-boxed e-con e-parent\" data-id=\"b5cde1a\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5c1a537 elementor-widget elementor-widget-image\" data-id=\"5c1a537\" data-element_type=\"widget\" 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\" src=\"https:\/\/tuspipe.es\/wp-content\/uploads\/elementor\/thumbs\/3.-Tianjin-United-Steel-Pipe-Co.-Ltd-scaled-qo69zhi6ts9drml2sgxikvj1fvyoshm452s1r4ymfo.jpg\" title=\"3. Tianjin United Steel Pipe Co., Ltd\" alt=\"Edif\u00edcio de escrit\u00f3rios da Tianjin United Steel Pipe Co., Ltd\" loading=\"lazy\" \/>\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<div class=\"elementor-element elementor-element-11caf3f e-flex e-con-boxed e-con e-parent\" data-id=\"11caf3f\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-230ce60 elementor-widget elementor-widget-heading\" data-id=\"230ce60\" data-element_type=\"widget\" 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\">Processo OCTG<\/h2>\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<div class=\"elementor-element elementor-element-45b232a e-flex e-con-boxed e-con e-parent\" data-id=\"45b232a\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7fe4c03 elementor-widget elementor-widget-text-editor\" data-id=\"7fe4c03\" data-element_type=\"widget\" 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><strong><span dir=\"auto\">OCTG - Processo sem costuras:<\/span><\/strong><span dir=\"auto\">\u00a0Utilizando tecnologia de vanguarda, a velocidade de perfura\u00e7\u00e3o pode atingir de 0,8 a 1,5 m\/s, controlando eficazmente a precis\u00e3o do espessor do pavimento e registando uma elipticidade de menos de 6%.<\/span><\/p><p><strong><span dir=\"auto\">Processo de soldadura OCTG:<\/span><\/strong><span dir=\"auto\">\u00a0Utiliza soldadura por resist\u00eancia de alta frequ\u00eancia, controlando eficazmente o rendimento do cord\u00e3o de soldadura e realizando um recuo em linha para eliminar a tens\u00e3o de soldadura. O enfiamento posterior com mistura de \u00e1gua e vapor controla eficazmente os gradientes de dureza.<\/span><\/p><p><strong><span dir=\"auto\">OCTG- Inspe\u00e7\u00e3o<\/span><\/strong><\/p><ul><li><span dir=\"auto\">Prueba de presi\u00f3n hidrost\u00e1tica (1,5 veces la presi\u00f3n de trabajo, presi\u00f3n mantenida durante \u22655 segundos);<\/span><\/li><li><span dir=\"auto\">Pruebas ultras\u00f3nicas (cobertura del 100% de las costuras de soldadura);<\/span><\/li><li><span dir=\"auto\">Inspe\u00e7\u00e3o do di\u00e2metro do orif\u00edcio (para garantir que o di\u00e2metro interior est\u00e1 em conformidade com o calibre padr\u00e3o).<\/span><\/li><\/ul>\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<div class=\"elementor-element elementor-element-80e3757 e-flex e-con-boxed e-con e-parent\" data-id=\"80e3757\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-42e0803 elementor-widget elementor-widget-heading\" data-id=\"42e0803\" data-element_type=\"widget\" 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\">Tubos OCTG - Considera\u00e7\u00f5es importantes para a sele\u00e7\u00e3o<\/h2>\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<div class=\"elementor-element elementor-element-8141823 e-flex e-con-boxed e-con e-parent\" data-id=\"8141823\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-586fb93 elementor-widget elementor-widget-text-editor\" data-id=\"586fb93\" data-element_type=\"widget\" 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<ul><li><span dir=\"auto\">1. Para po\u00e7os pouco profundos que n\u00e3o requerem alta press\u00e3o, os tub\u00e9rculos fabricados atrav\u00e9s do processo ERW podem reduzir os custos entre um 30 e um 40 %.<\/span><\/li><li><span dir=\"auto\">2. Al selecionar tuber\u00edas, es fundamental verificar si han sido sometidas a tratamiento t\u00e9rmico y la calidad de dicho tratamiento. O tratamento t\u00e9rmico determina diretamente a qualidade das soldaduras dos tub\u00e9rculos.\u00a0<\/span><\/li><li><span dir=\"auto\">3. Os tub\u00e9rculos devem ser submetidos a testes n\u00e3o destrutivos.\u00a0<\/span><\/li><li><span dir=\"auto\">4. Os tubos de a\u00e7o sem costura s\u00e3o normalmente utilizados para revestimientos de po\u00e7os profundos, mas \u00e9 necess\u00e1rio prestar aten\u00e7\u00e3o \u00e0 uniformidade do espessor da parede do tubo.\u00a0<\/span><\/li><li><span dir=\"auto\">5. A certifica\u00e7\u00e3o do fornecedor deve ser completa. \u00c9 necess\u00e1ria uma capacidade de produ\u00e7\u00e3o mensal de, pelo menos, 5000 toneladas para garantir a entrega pontual.<\/span><\/li><\/ul><p><span dir=\"auto\">Felizmente, j\u00e1 conhece a TUSPIPE, um fabricante de tubagens. Contamos com certifica\u00e7\u00f5es API 5CT\/5DP v\u00e1lidas e mais de 20 anos de experi\u00eancia em produ\u00e7\u00e3o. Todas as nossas tubagens s\u00e3o submetidas a testes hidrost\u00e1ticos e n\u00e3o destrutivos. Contamos com um laborat\u00f3rio pr\u00f3prio, o que nos permite melhorar significativamente a qualidade dos tub\u00e9rculos.<\/span><br \/><span dir=\"auto\">Contacte agora para uma surpresa inesperada.<\/span><\/p>\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>","protected":false},"excerpt":{"rendered":"<p>Os tub\u00e9rculos que hoje analisamos s\u00e3o a for\u00e7a dominante na ind\u00fastria de extra\u00e7\u00e3o e transporte de petr\u00f3leo, denominados, na maioria dos casos, o elemento vital da ind\u00fastria petrol\u00edfera: os OCTG. OCTG significa Productos Tubulares para Campos Petroleros (Oil Country Tubular Goods), que constituem a infraestrutura central da ind\u00fastria global do petr\u00f3leo e do g\u00e1s [...]<\/p>","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[952],"tags":[],"class_list":["post-23730","post","type-post","status-publish","format-standard","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/tuspipe.es\/pt\/wp-json\/wp\/v2\/posts\/23730","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tuspipe.es\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tuspipe.es\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tuspipe.es\/pt\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/tuspipe.es\/pt\/wp-json\/wp\/v2\/comments?post=23730"}],"version-history":[{"count":0,"href":"https:\/\/tuspipe.es\/pt\/wp-json\/wp\/v2\/posts\/23730\/revisions"}],"wp:attachment":[{"href":"https:\/\/tuspipe.es\/pt\/wp-json\/wp\/v2\/media?parent=23730"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tuspipe.es\/pt\/wp-json\/wp\/v2\/categories?post=23730"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tuspipe.es\/pt\/wp-json\/wp\/v2\/tags?post=23730"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}