{"id":4298,"date":"2025-12-13T11:18:16","date_gmt":"2025-12-13T11:18:16","guid":{"rendered":"https:\/\/www.pipetechservice.com\/?p=4298"},"modified":"2025-12-13T22:58:53","modified_gmt":"2025-12-13T22:58:53","slug":"successful-in-service-repair-of-a-critical-dn900-crude-oil-pipeline-using-advanced-hot-tapping-and-stoppling","status":"publish","type":"post","link":"https:\/\/www.pipetechservice.com\/es\/successful-in-service-repair-of-a-critical-dn900-crude-oil-pipeline-using-advanced-hot-tapping-and-stoppling\/","title":{"rendered":"\u00c9xito de la reparaci\u00f3n en servicio de un oleoducto cr\u00edtico DN900 de petr\u00f3leo crudo mediante roscado en caliente y taponado avanzado"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"4298\" class=\"elementor elementor-4298\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6b9f528c e-flex e-con-boxed e-con e-parent\" data-id=\"6b9f528c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-33e256c5 elementor-widget elementor-widget-text-editor\" data-id=\"33e256c5\" data-element_type=\"widget\" data-e-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<h2><strong>Instant\u00e1nea del proyecto:<\/strong><\/h2>\n<p><!-- \/wp:paragraph --><!-- wp:table --><\/p>\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<thead>\n<tr>\n<th class=\"has-text-align-left\" data-align=\"left\">Aspecto<\/th>\n<th class=\"has-text-align-left\" data-align=\"left\">Detalle<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"has-text-align-left\" data-align=\"left\"><strong>Cliente<\/strong><\/td>\n<td class=\"has-text-align-left\" data-align=\"left\">National Pipeline Network Group Shandong Co.<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-left\" data-align=\"left\"><strong>Ubicaci\u00f3n<\/strong><\/td>\n<td class=\"has-text-align-left\" data-align=\"left\">Rizhao, provincia de Shandong, China<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-left\" data-align=\"left\"><strong>Desaf\u00edo principal<\/strong><\/td>\n<td class=\"has-text-align-left\" data-align=\"left\">Sustituci\u00f3n de una soldadura de circunferencia defectuosa en un oleoducto de crudo DN900 en una zona de alta peligrosidad con espacio libre nulo para la soldadura, sin necesidad de parada.<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-left\" data-align=\"left\"><strong>Nuestra soluci\u00f3n<\/strong><\/td>\n<td class=\"has-text-align-left\" data-align=\"left\">Aislamiento de doble bloqueo y purga personalizado mediante roscado en caliente y taponamiento de tuber\u00edas y aislamiento secundario con bolsa de aire (embolsado).<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-left\" data-align=\"left\"><strong>Principales resultados<\/strong><\/td>\n<td class=\"has-text-align-left\" data-align=\"left\">1. 1. Cero p\u00e9rdidas de producci\u00f3n: funcionamiento continuo de las tuber\u00edas. 2. Historial de seguridad 100%: Sin incidentes durante el aislamiento de alto riesgo. 3. 3. Hito t\u00e9cnico: Ejecuci\u00f3n con \u00e9xito de un aislamiento complejo en una de las geometr\u00edas de tuber\u00edas m\u00e1s dif\u00edciles de China.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p><!-- \/wp:table --><!-- wp:paragraph --><\/p>\n<p><strong>Cliente:<\/strong>\u00a0Empresa del Grupo Nacional de Redes de Oleoductos de Shandong, Zona de Operaciones de Rizhao<br \/><strong>Proyecto:<\/strong>\u00a0Proyecto de sustituci\u00f3n y aislamiento de defectos en las soldaduras de la circunferencia K2+230m del oleoducto Rizhao-Yizheng<br \/><strong>Tecnolog\u00eda b\u00e1sica aplicada:<\/strong>\u00a0Hot Tapping and Stoppling for Pressure Isolation and In-Service Repair.<\/p>\n<p><!-- \/wp:paragraph --><!-- wp:heading {\"anchor\":\"h-the-challenge-a-critical-defect-in-a-high-consequence-un-weldable-location\"} --><\/p>\n<p><!-- \/wp:paragraph --><\/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-f04e268 elementor-widget elementor-widget-text-editor\" data-id=\"f04e268\" data-element_type=\"widget\" data-e-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<!-- wp:paragraph --><!-- \/wp:paragraph --><!-- wp:heading {\"anchor\":\"h-the-challenge-a-critical-defect-in-a-high-consequence-un-weldable-location\"} -->\n<h2 id=\"h-the-challenge-a-critical-defect-in-a-high-consequence-un-weldable-location\" class=\"wp-block-heading\"><strong>El reto: Un defecto cr\u00edtico en un lugar \u201cno soldable\u201d de altas consecuencias<\/strong><\/h2>\n<!-- \/wp:heading --><!-- wp:paragraph -->\n<p>Imag\u00ednense descubrir un defecto en la soldadura de la circunferencia, calificado de \u201cinaceptable\u201d por los institutos de inspecci\u00f3n nacionales especializados, en una importante arteria energ\u00e9tica nacional. Esta era la cruda realidad para los operadores del oleoducto de crudo Rizhao-Yizheng, de 390 km.<\/p>\n<!-- \/wp:paragraph --><!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li><strong>Criticidad de los activos:<\/strong>\u00a0El gasoducto es vital para el suministro regional de energ\u00eda y funciona a alta presi\u00f3n (3,5-5,9 MPa). Una parada total para repararlo supondr\u00eda enormes p\u00e9rdidas diarias de ingresos y la interrupci\u00f3n de la cadena de suministro.<\/li>\n<!-- \/wp:list-item --><!-- wp:list-item -->\n<li><strong>El defecto:<\/strong>\u00a0Las inspecciones PAUT y TOFD confirmaron un defecto cr\u00edtico que requer\u00eda atenci\u00f3n inmediata.<\/li>\n<!-- \/wp:list-item --><!-- wp:list-item -->\n<li><strong>La Geometr\u00eda Imposible:<\/strong>\u00a0La secci\u00f3n defectuosa estaba situada en un corredor de servicios muy concurrido, y la pared exterior de la tuber\u00eda tocaba f\u00edsicamente una l\u00ednea paralela de petr\u00f3leo crudo (la tuber\u00eda Kejia). Esta proximidad exclu\u00eda por completo los m\u00e9todos de reparaci\u00f3n convencionales, como la soldadura de un manguito de tipo B, ya que no hab\u00eda espacio libre para realizar operaciones de soldadura seguras. Incluso despu\u00e9s de una amplia excavaci\u00f3n de alivio de tensiones, el espacio libre segu\u00eda siendo insuficiente.<\/li>\n<!-- \/wp:list-item --><!-- wp:list-item -->\n<li><strong>Dilema central:<\/strong>\u00a0\u00bfC\u00f3mo sustituir una secci\u00f3n de un oleoducto de crudo de gran di\u00e1metro (DN900\/914 mm), alta presi\u00f3n y en servicio sin cerrarlo, trabajando en una zona de acceso f\u00edsico muy restringido y con importantes riesgos para la seguridad?<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list --><!-- wp:paragraph -->\n<p>Esta situaci\u00f3n representa el colmo de los retos en el mantenimiento de oleoductos de crudo, pues exige algo m\u00e1s que procedimientos est\u00e1ndar: requiere una soluci\u00f3n de ingenier\u00eda a medida centrada en el taponamiento seguro del aislamiento del oleoducto.<\/p>\n<!-- \/wp:paragraph --><!-- wp:heading {\"anchor\":\"h-our-solution-a-bespoke-double-block-amp-double-bleed-isolation-strategy\"} --><!-- \/wp:paragraph -->\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-7bed272 elementor-widget elementor-widget-text-editor\" data-id=\"7bed272\" data-element_type=\"widget\" data-e-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<!-- wp:paragraph --><!-- \/wp:paragraph --><!-- wp:heading {\"anchor\":\"h-our-solution-a-bespoke-double-block-amp-double-bleed-isolation-strategy\"} -->\n<h2 id=\"h-our-solution-a-bespoke-double-block-amp-double-bleed-isolation-strategy\" class=\"wp-block-heading\"><strong>Nuestra soluci\u00f3n: Una estrategia de aislamiento a medida con doble bloqueo y doble vallado<\/strong><\/h2>\n<!-- \/wp:heading --><!-- wp:paragraph -->\n<p>Nuestra misi\u00f3n era clara: realizar una sustituci\u00f3n segura de la secci\u00f3n sin p\u00e9rdida de producto y sin interrupci\u00f3n del flujo de la tuber\u00eda. Dise\u00f1amos y ejecutamos un plan de aislamiento personalizado de doble bloqueo y purga utilizando sistemas avanzados de aislamiento y purga. <a style=\"color: #f8b526;\" href=\"https:\/\/www.pipetechservice.com\/es\/pipeline-repair-services\/\">t\u00e9cnicas de taponado y roscado en caliente de tuber\u00edas<\/a>.<\/p>\n<!-- \/wp:paragraph --><!-- wp:paragraph -->\n<p><strong>El enfoque t\u00e9cnico:<\/strong><\/p>\n<!-- \/wp:paragraph --><!-- wp:list {\"ordered\":true,\"start\":1} -->\n<ol class=\"wp-block-list\" start=\"1\"><!-- wp:list-item -->\n<li><strong>Instalaci\u00f3n de accesorios de tuber\u00eda personalizados:<\/strong>\u00a0Hemos soldado seis accesorios reforzados de grifo caliente a la tuber\u00eda activa:<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li><strong>2x racores de cierre DN900:<\/strong>\u00a0Para la operaci\u00f3n de taponamiento del aislamiento de la l\u00ednea principal aguas arriba y aguas abajo del defecto.<\/li>\n<!-- \/wp:list-item --><!-- wp:list-item -->\n<li><strong>2x DN300 Accesorios temporales de derivaci\u00f3n y embolsado:<\/strong>\u00a0Instalar un sistema de airbag (embolsado de tuber\u00edas) que proporcione una barrera de aislamiento secundaria y flexible y facilite el flujo de derivaci\u00f3n durante el corte.<\/li>\n<!-- \/wp:list-item --><!-- wp:list-item -->\n<li><strong>2x racores de equilibrado\/igualaci\u00f3n DN50:<\/strong>\u00a0Una caracter\u00edstica de seguridad cr\u00edtica para controlar e igualar la presi\u00f3n entre secciones aisladas, evitando la peligrosa acumulaci\u00f3n de presi\u00f3n.<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list --><\/li>\n<!-- \/wp:list-item --><!-- wp:list-item -->\n<li><strong>Aislamiento por presi\u00f3n secuenciada:<\/strong><!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li><strong>Paso 1 - Roscado en caliente no intrusivo:<\/strong>\u00a0Con m\u00e1quinas de corte hidr\u00e1ulicas especializadas, cortamos con seguridad la pared de la tuber\u00eda a toda presi\u00f3n para crear puntos de acceso para los cabezales de tope y los airbags.<\/li>\n<!-- \/wp:list-item --><!-- wp:list-item -->\n<li><strong>Paso 2 - Aislamiento mec\u00e1nico primario:<\/strong>\u00a0Se insertaron tapones mec\u00e1nicos de alta integridad (stopples) a trav\u00e9s de los accesorios DN900, creando un bloque met\u00e1lico s\u00f3lido y estanco a la presi\u00f3n en la tuber\u00eda, nuestra principal barrera de aislamiento de la presi\u00f3n.<\/li>\n<!-- \/wp:list-item --><!-- wp:list-item -->\n<li><strong>Paso 3 - Aislamiento flexible secundario:<\/strong>\u00a0Las bolsas de aire de la tuber\u00eda (bagging pigs) se desplegaron a trav\u00e9s de los accesorios DN300 aguas abajo de los tapones, formando un sello secundario y capturando cualquier posible filtraci\u00f3n de producto, completando as\u00ed el protocolo de seguridad de doble bloqueo y purga.<\/li>\n<!-- \/wp:list-item --><!-- wp:list-item -->\n<li><strong>Paso 4 - Flujo de derivaci\u00f3n y drenaje de la secci\u00f3n:<\/strong>\u00a0Se conect\u00f3 una l\u00ednea de derivaci\u00f3n temporal que permiti\u00f3 el flujo continuo de crudo alrededor de la secci\u00f3n aislada. A continuaci\u00f3n, el segmento aislado se dren\u00f3 de forma segura y se prepar\u00f3 para el corte.<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list --><\/li>\n<!-- \/wp:list-item --><\/ol>\n<!-- \/wp:list --><!-- wp:paragraph -->\n<p>Este m\u00e9todo ejemplifica la cumbre de la reparaci\u00f3n de tuber\u00edas en servicio bajo presi\u00f3n. Transform\u00f3 un lugar de soldadura \u201cimposible\u201d en un lugar de trabajo controlado, aislado y seguro para el equipo de sustituci\u00f3n.<\/p>\n<!-- \/wp:group --><!-- wp:heading {\"anchor\":\"h-project-execution-precision-under-pressure\"} --><!-- \/wp:paragraph -->\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-57f9742 e-con-full e-flex e-con e-child\" data-id=\"57f9742\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d5227d1 elementor-widget elementor-widget-image\" data-id=\"d5227d1\" data-element_type=\"widget\" data-e-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=\"800\" height=\"600\" src=\"https:\/\/www.pipetechservice.com\/wp-content\/uploads\/2025\/12\/Pipeline-Circumferential-Weld-Defect-Replacement-Plugging-Project-Construction-Site.jpg\" class=\"attachment-full size-full wp-image-4308\" alt=\"Obras de construcci\u00f3n del proyecto de reparaci\u00f3n y taponamiento del defecto de soldadura circunferencial del oleoducto Riyi (DN914) en Rizhao: Trabajadores, gr\u00faas y zanja excavada con tuber\u00eda de gran di\u00e1metro durante los trabajos de taponamiento.\" srcset=\"https:\/\/www.pipetechservice.com\/wp-content\/uploads\/2025\/12\/Pipeline-Circumferential-Weld-Defect-Replacement-Plugging-Project-Construction-Site.jpg 800w, https:\/\/www.pipetechservice.com\/wp-content\/uploads\/2025\/12\/Pipeline-Circumferential-Weld-Defect-Replacement-Plugging-Project-Construction-Site-300x225.jpg 300w, https:\/\/www.pipetechservice.com\/wp-content\/uploads\/2025\/12\/Pipeline-Circumferential-Weld-Defect-Replacement-Plugging-Project-Construction-Site-768x576.jpg 768w, https:\/\/www.pipetechservice.com\/wp-content\/uploads\/2025\/12\/Pipeline-Circumferential-Weld-Defect-Replacement-Plugging-Project-Construction-Site-600x450.jpg 600w\" 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-63cceae elementor-widget elementor-widget-image\" data-id=\"63cceae\" data-element_type=\"widget\" data-e-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=\"800\" height=\"600\" src=\"https:\/\/www.pipetechservice.com\/wp-content\/uploads\/2025\/12\/Aerial-View-of-Riyi-Pipeline-Circumferential-Weld-Defect-Replacement-Plugging-Project-Site.jpg\" class=\"attachment-full size-full wp-image-4310\" alt=\"Toma a\u00e9rea de la obra de reparaci\u00f3n y taponamiento del defecto de soldadura circunferencial del oleoducto Riyi (DN914) en Rizhao: Zanja excavada, oleoducto, equipos de construcci\u00f3n y materiales durante el proyecto.\" srcset=\"https:\/\/www.pipetechservice.com\/wp-content\/uploads\/2025\/12\/Aerial-View-of-Riyi-Pipeline-Circumferential-Weld-Defect-Replacement-Plugging-Project-Site.jpg 800w, https:\/\/www.pipetechservice.com\/wp-content\/uploads\/2025\/12\/Aerial-View-of-Riyi-Pipeline-Circumferential-Weld-Defect-Replacement-Plugging-Project-Site-300x225.jpg 300w, https:\/\/www.pipetechservice.com\/wp-content\/uploads\/2025\/12\/Aerial-View-of-Riyi-Pipeline-Circumferential-Weld-Defect-Replacement-Plugging-Project-Site-768x576.jpg 768w, https:\/\/www.pipetechservice.com\/wp-content\/uploads\/2025\/12\/Aerial-View-of-Riyi-Pipeline-Circumferential-Weld-Defect-Replacement-Plugging-Project-Site-600x450.jpg 600w\" 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<div class=\"elementor-element elementor-element-f3ae09e elementor-widget elementor-widget-text-editor\" data-id=\"f3ae09e\" data-element_type=\"widget\" data-e-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><!-- wp:paragraph --><\/p>\n<h2 id=\"h-project-execution-precision-under-pressure\" class=\"wp-block-heading\"><strong>Ejecuci\u00f3n de proyectos: Precisi\u00f3n bajo presi\u00f3n<\/strong><\/h2>\n<p><!-- \/wp:heading --><!-- wp:paragraph --><\/p>\n<p>Nuestro papel como contratista principal de aislamiento de tuber\u00edas abarc\u00f3 la ejecuci\u00f3n de todo el alcance:<\/p>\n<p><!-- \/wp:paragraph --><!-- wp:list --><\/p>\n<ul class=\"wp-block-list\"><!-- wp:list-item --><p><\/p>\n<li><strong>Ingenier\u00eda y planificaci\u00f3n:<\/strong>&nbsp;Desarrollo detallado de procedimientos, an\u00e1lisis de tensiones para la instalaci\u00f3n de accesorios y evaluaci\u00f3n exhaustiva de riesgos.<\/li>\n<p><!-- \/wp:list-item --><!-- wp:list-item --><\/p>\n<li><strong>Movilizaci\u00f3n de equipos:<\/strong>&nbsp;Despliegue de la certificaci\u00f3n&nbsp;<a style=\"color: #f8b526;\" href=\"https:\/\/www.pipetechservice.com\/es\/product\/ht-c0614-c1636-c3656-hot-tapping-machine\/\">aterrajadoras y taponadoras en caliente<\/a>, y herramientas de aislamiento especializadas dimensionadas para la reparaci\u00f3n de tuber\u00edas DN900.<\/li>\n<p><!-- \/wp:list-item --><!-- wp:list-item --><\/p>\n<li><strong>Liderazgo in situ:<\/strong>&nbsp;Nuestros ingenieros y t\u00e9cnicos certificados supervisaron todas las fases cr\u00edticas: la soldadura de ajuste, las pruebas de presi\u00f3n de los conjuntos, el funcionamiento de la m\u00e1quina y la secuencia de taponado.<\/li>\n<p><!-- \/wp:list-item --><!-- wp:list-item --><\/p>\n<li><strong>Seguridad y control de calidad:<\/strong>&nbsp;Cada paso se rigi\u00f3 por estrictos sistemas de permisos de trabajo, control atmosf\u00e9rico continuo (especialmente cr\u00edtico en el corredor confinado) y pruebas no destructivas de las soldaduras en tiempo real.<\/li>\n<p><!-- \/wp:list-item --><\/p><\/ul>\n<p><!-- \/wp:list --><!-- wp:heading {\"anchor\":\"h-results-amp-client-benefits-quantifiable-success\"} --><!-- \/wp:paragraph --><\/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-4a047c4 elementor-widget elementor-widget-text-editor\" data-id=\"4a047c4\" data-element_type=\"widget\" data-e-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<!-- wp:paragraph -->\n<p><strong style=\"font-size: 1.7em;\">Resultados y beneficios para el cliente: \u00c9xito cuantificable<\/strong><\/p>\n<!-- \/wp:heading --><!-- wp:paragraph -->\n<p>El proyecto se complet\u00f3 dentro del plazo previsto (mayo-junio de 2024), alcanzando todos los objetivos cr\u00edticos con cero incidentes de seguridad o medioambientales.<\/p>\n<!-- \/wp:paragraph --><!-- wp:paragraph -->\n<p><strong>Beneficios directos para el cliente:<\/strong><\/p>\n<!-- \/wp:paragraph --><!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li><strong>Costes de cierre eliminados:<\/strong>\u00a0Se evitaron p\u00e9rdidas millonarias de producci\u00f3n y penalizaciones a la cadena de suministro asociadas a una parada total de la l\u00ednea.<\/li>\n<!-- \/wp:list-item --><!-- wp:list-item -->\n<li><strong>Seguridad e integridad garantizadas:<\/strong>\u00a0El m\u00e9todo de doble aislamiento proporcion\u00f3 un factor de seguridad inigualable, protegiendo tanto al personal como a la tuber\u00eda adyacente.<\/li>\n<!-- \/wp:list-item --><!-- wp:list-item -->\n<li><strong>Resuelto lo \u201cirresoluble\u201d:<\/strong>\u00a0Proporcion\u00f3 una soluci\u00f3n viable y de ingenier\u00eda donde los m\u00e9todos tradicionales de mantenimiento de tuber\u00edas fracasaron.<\/li>\n<!-- \/wp:list-item --><!-- wp:list-item -->\n<li><strong>Integridad de los activos a largo plazo:<\/strong>\u00a0El defecto se elimin\u00f3 de forma permanente, lo que devolvi\u00f3 a la secci\u00f3n de la tuber\u00eda toda su resistencia de dise\u00f1o y prolong\u00f3 su vida operativa.<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list --><!-- wp:paragraph -->\n<p><strong>Testimonio de un cliente:<\/strong><br \/><em>\u201cLa complejidad de esta obra superaba nuestras capacidades normales de reparaci\u00f3n. La experiencia del equipo en roscado en caliente y taponado convirti\u00f3 una emergencia de alto riesgo en una operaci\u00f3n meticulosamente controlada. Su soluci\u00f3n no s\u00f3lo resolvi\u00f3 el problema inmediato, sino que lo hizo sin una sola gota de p\u00e9rdida de producto ni un minuto de tiempo de inactividad innecesario. As\u00ed es la excelencia en la reparaci\u00f3n en servicio\u201d.\u201d<\/em><br \/>\u2014\u00a0<em>Director de Proyectos, \u00c1rea de Operaciones de Rizhao, Empresa Shandong del Grupo Nacional de Redes de Oleoductos.<\/em><\/p>\n<!-- \/wp:paragraph -->\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c58389a e-con-full e-flex e-con e-child\" data-id=\"c58389a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f283e48 elementor-widget elementor-widget-image\" data-id=\"f283e48\" data-element_type=\"widget\" data-e-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=\"800\" height=\"600\" src=\"https:\/\/www.pipetechservice.com\/wp-content\/uploads\/2025\/12\/Pipeline-Defect-Weld-Points-Parallel-Kejia-Pipeline-Site.jpg\" class=\"attachment-full size-full wp-image-4312\" alt=\"Vista in situ de la zanja del oleoducto de crudo de Riyi: Puntos de defecto de soldadura circunferencial marcados (1 y 2) y oleoducto Kejia estrechamente paralelo con medidas de aislamiento de cu\u00f1a de madera (Rizhao, 2024).\" srcset=\"https:\/\/www.pipetechservice.com\/wp-content\/uploads\/2025\/12\/Pipeline-Defect-Weld-Points-Parallel-Kejia-Pipeline-Site.jpg 800w, https:\/\/www.pipetechservice.com\/wp-content\/uploads\/2025\/12\/Pipeline-Defect-Weld-Points-Parallel-Kejia-Pipeline-Site-300x225.jpg 300w, https:\/\/www.pipetechservice.com\/wp-content\/uploads\/2025\/12\/Pipeline-Defect-Weld-Points-Parallel-Kejia-Pipeline-Site-768x576.jpg 768w, https:\/\/www.pipetechservice.com\/wp-content\/uploads\/2025\/12\/Pipeline-Defect-Weld-Points-Parallel-Kejia-Pipeline-Site-600x450.jpg 600w\" 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-8272535 elementor-widget elementor-widget-image\" data-id=\"8272535\" data-element_type=\"widget\" data-e-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 loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.pipetechservice.com\/wp-content\/uploads\/2025\/12\/Aerial-Construction-Site-of-Riyi-Pipeline-Circumferential-Weld-Defect-Replacement-Plugging-Project.jpg\" class=\"attachment-full size-full wp-image-4313\" alt=\"Vista a\u00e9rea de la obra de reparaci\u00f3n y taponamiento del defecto de soldadura circunferencial del oleoducto Riyi (DN914) en Rizhao: Zanja excavada, oleoducto, gr\u00faas, veh\u00edculos de construcci\u00f3n y trabajadores durante el proyecto.\" srcset=\"https:\/\/www.pipetechservice.com\/wp-content\/uploads\/2025\/12\/Aerial-Construction-Site-of-Riyi-Pipeline-Circumferential-Weld-Defect-Replacement-Plugging-Project.jpg 800w, https:\/\/www.pipetechservice.com\/wp-content\/uploads\/2025\/12\/Aerial-Construction-Site-of-Riyi-Pipeline-Circumferential-Weld-Defect-Replacement-Plugging-Project-300x225.jpg 300w, https:\/\/www.pipetechservice.com\/wp-content\/uploads\/2025\/12\/Aerial-Construction-Site-of-Riyi-Pipeline-Circumferential-Weld-Defect-Replacement-Plugging-Project-768x576.jpg 768w, https:\/\/www.pipetechservice.com\/wp-content\/uploads\/2025\/12\/Aerial-Construction-Site-of-Riyi-Pipeline-Circumferential-Weld-Defect-Replacement-Plugging-Project-600x450.jpg 600w\" 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<div class=\"elementor-element elementor-element-7757b63 elementor-widget elementor-widget-text-editor\" data-id=\"7757b63\" data-element_type=\"widget\" data-e-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<!-- wp:paragraph -->\n<h2 id=\"h-is-your-pipeline-facing-a-mission-impossible-repair\" class=\"wp-block-heading\"><strong>\u00bfSe enfrenta su tuber\u00eda a una reparaci\u00f3n \u201cimposible\u201d?<\/strong><\/h2>\n<!-- \/wp:heading --><!-- wp:paragraph -->\n<p>Si gestiona infraestructuras envejecidas, se enfrenta a invasiones o a defectos inesperados en tuber\u00edas de alta presi\u00f3n, la opci\u00f3n del cierre total rara vez es viable. Nuestra experiencia en tecnolog\u00edas avanzadas de aislamiento y reparaci\u00f3n no intrusiva de tuber\u00edas le ofrece la alternativa.<\/p>\n<!-- \/wp:paragraph --><!-- wp:paragraph -->\n<p><strong>Estamos especializados en soluciones de ingenier\u00eda para:<\/strong><\/p>\n<!-- \/wp:paragraph --><!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>Reparaci\u00f3n de emergencia de tuber\u00edas sin cierre.<\/li>\n<!-- \/wp:list-item --><!-- wp:list-item -->\n<li>Tapones para tuber\u00edas de gran di\u00e1metro (DN300 y superiores).<\/li>\n<!-- \/wp:list-item --><!-- wp:list-item -->\n<li>Geometr\u00eda compleja e intervenciones en zonas de alto riesgo.<\/li>\n<!-- \/wp:list-item --><!-- wp:list-item -->\n<li>Mantenimiento planificado de antemano que requiere un aislamiento seguro.<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list --><!-- wp:paragraph -->\n<p>P\u00f3ngase en contacto hoy mismo con nuestro equipo de ingenier\u00eda para una consulta confidencial. Perm\u00edtanos analizar su reto y proponerle una estrategia de reparaci\u00f3n de tuber\u00edas bajo presi\u00f3n segura, eficiente y rentable adaptada a sus necesidades espec\u00edficas.<\/p>\n<!-- \/wp:paragraph -->\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>Project Snapshot: Aspect Detail Client National Pipeline Network Group Shandong Co. Location Rizhao, Shandong Province, China Core Challenge Replace a defective girth weld on a DN900 crude oil pipeline in a high-consequence area with zero clearance for welding, without shutdown. Our Solution Custom\u00a0Double Block &amp; Bleed Isolation\u00a0using\u00a0Pipeline Hot Tapping and Stoppling\u00a0and secondary\u00a0airbag (bagging)\u00a0isolation. Key Results [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4307,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_surecart_dashboard_logo_width":"180px","_surecart_dashboard_show_logo":true,"_surecart_dashboard_navigation_orders":true,"_surecart_dashboard_navigation_invoices":true,"_surecart_dashboard_navigation_subscriptions":true,"_surecart_dashboard_navigation_downloads":true,"_surecart_dashboard_navigation_billing":true,"_surecart_dashboard_navigation_account":true,"_uag_custom_page_level_css":"","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":"","ast-disable-related-posts":"","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-opacity":"","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-opacity":"","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-opacity":"","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-opacity":"","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-opacity":"","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-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[223,12,218,79,219,215,75,221,222,220,148,214,217,216],"class_list":["post-4298","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-projects","tag-china-pipeline-project","tag-crude-oil-pipeline-maintenance","tag-dn900-pipeline-repair","tag-emergency-pipeline-repair","tag-high-pressure-pipeline-repair","tag-in-service-pipeline-repair","tag-jsw-projects","tag-mechanical-pipeline-plugging","tag-national-pipeline-network","tag-non-intrusive-pipeline-repair","tag-pipeline-contractor","tag-pipeline-hot-tapping-and-stoppling","tag-pipeline-isolation-plugging","tag-pipeline-repair-under-pressure"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.5 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>In-Service Pipeline Repair &amp; Hot Tapping on a DN900 Crude Oil Line - JSW Pipeline Repair Company<\/title>\n<meta name=\"description\" content=\"Facing a critical weld defect in a high-pressure DN900 crude oil pipeline under complex conditions? See how our expert pipeline hot tapping and stoppling solution enabled in-service pipeline repair under pressure for a national operator, preventing shutdown &amp; ensuring safety. Read the full case study.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.pipetechservice.com\/es\/successful-in-service-repair-of-a-critical-dn900-crude-oil-pipeline-using-advanced-hot-tapping-and-stoppling\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Successful In-Service Repair of a Critical DN900 Crude Oil Pipeline Using Advanced Hot Tapping and Stoppling\" \/>\n<meta property=\"og:description\" content=\"Facing a critical weld defect in a high-pressure DN900 crude oil pipeline under complex conditions? 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Descubra c\u00f3mo nuestra soluci\u00f3n experta de taponado y roscado en caliente de oleoductos permiti\u00f3 la reparaci\u00f3n en servicio de un oleoducto bajo presi\u00f3n para un operador nacional, evitando el cierre y garantizando la seguridad. Lea el caso pr\u00e1ctico completo.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.pipetechservice.com\/es\/successful-in-service-repair-of-a-critical-dn900-crude-oil-pipeline-using-advanced-hot-tapping-and-stoppling\/","og_locale":"es_ES","og_type":"article","og_title":"Successful In-Service Repair of a Critical DN900 Crude Oil Pipeline Using Advanced Hot Tapping and Stoppling","og_description":"Facing a critical weld defect in a high-pressure DN900 crude oil pipeline under complex conditions? 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Descubra c\u00f3mo nuestra soluci\u00f3n experta de taponado y roscado en caliente de oleoductos permiti\u00f3 la reparaci\u00f3n en servicio de un oleoducto bajo presi\u00f3n para un operador nacional, evitando el cierre y garantizando la seguridad. 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data-align=\\\"left\\\"><strong>Client<\\\/strong><\\\/td>\\n<td class=\\\"has-text-align-left\\\" data-align=\\\"left\\\">National Pipeline Network Group Shandong Co.<\\\/td>\\n<\\\/tr>\\n<tr>\\n<td class=\\\"has-text-align-left\\\" data-align=\\\"left\\\"><strong>Location<\\\/strong><\\\/td>\\n<td class=\\\"has-text-align-left\\\" data-align=\\\"left\\\">Rizhao, Shandong Province, China<\\\/td>\\n<\\\/tr>\\n<tr>\\n<td class=\\\"has-text-align-left\\\" data-align=\\\"left\\\"><strong>Core Challenge<\\\/strong><\\\/td>\\n<td class=\\\"has-text-align-left\\\" data-align=\\\"left\\\">Replace a defective girth weld on a DN900 crude oil pipeline in a high-consequence area with zero clearance for welding, without shutdown.<\\\/td>\\n<\\\/tr>\\n<tr>\\n<td class=\\\"has-text-align-left\\\" data-align=\\\"left\\\"><strong>Our Solution<\\\/strong><\\\/td>\\n<td class=\\\"has-text-align-left\\\" data-align=\\\"left\\\">Custom\\u00a0Double Block &amp; Bleed Isolation\\u00a0using\\u00a0Pipeline Hot Tapping and Stoppling\\u00a0and secondary\\u00a0airbag (bagging)\\u00a0isolation.<\\\/td>\\n<\\\/tr>\\n<tr>\\n<td class=\\\"has-text-align-left\\\" data-align=\\\"left\\\"><strong>Key Results<\\\/strong><\\\/td>\\n<td class=\\\"has-text-align-left\\\" data-align=\\\"left\\\">1. Zero Production Loss:\\u00a0Continuous pipeline operation maintained.\\u00a02. 100% Safety Record:\\u00a0No incidents during high-risk isolation.\\u00a03. Technical Milestone:\\u00a0Successfully executed complex isolation in one of China's most challenging pipeline geometries.<\\\/td>\\n<\\\/tr>\\n<\\\/tbody>\\n<\\\/table>\\n<\\\/figure>\\n<p><!-- \\\/wp:table --><!-- wp:paragraph --><\\\/p>\\n<p><strong>Client:<\\\/strong>\\u00a0National Pipeline Network Group Shandong Company, Rizhao Operation Area<br \\\/><strong>Project:<\\\/strong>\\u00a0Rizhao-Yizheng Pipeline K2+230m Girth Weld Defect Replacement &amp; Isolation Project<br \\\/><strong>Core Technology Applied:<\\\/strong>\\u00a0Pipeline Hot Tapping and Stoppling\\u00a0for\\u00a0Pressure Isolation\\u00a0and\\u00a0In-Service Repair.<\\\/p>\\n<p><!-- \\\/wp:paragraph --><!-- wp:heading {\\\"anchor\\\":\\\"h-the-challenge-a-critical-defect-in-a-high-consequence-un-weldable-location\\\"} --><\\\/p>\\n<p><!-- \\\/wp:paragraph --><\\\/p>\"},\"elements\":[],\"widgetType\":\"text-editor\"},{\"id\":\"f04e268\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<!-- wp:paragraph --><!-- \\\/wp:paragraph --><!-- wp:heading {\\\"anchor\\\":\\\"h-the-challenge-a-critical-defect-in-a-high-consequence-un-weldable-location\\\"} -->\\n<h2 id=\\\"h-the-challenge-a-critical-defect-in-a-high-consequence-un-weldable-location\\\" class=\\\"wp-block-heading\\\"><strong>The Challenge: A Critical Defect in a High-Consequence, \\\"Un-Weldable\\\" Location<\\\/strong><\\\/h2>\\n<!-- \\\/wp:heading --><!-- wp:paragraph -->\\n<p>Imagine discovering a girth weld defect, rated as \\\"unacceptable\\\" by specialized national inspection institutes, on a major national energy artery. This was the stark reality for the operators of the 390km Rizhao-Yizheng crude oil pipeline.<\\\/p>\\n<!-- \\\/wp:paragraph --><!-- wp:list -->\\n<ul class=\\\"wp-block-list\\\"><!-- wp:list-item -->\\n<li><strong>Asset Criticality:<\\\/strong>\\u00a0The pipeline is vital for regional energy supply, operating at high pressure (3.5-5.9 MPa). A full shutdown for repair would mean massive daily losses in revenue and supply chain disruption.<\\\/li>\\n<!-- \\\/wp:list-item --><!-- wp:list-item -->\\n<li><strong>The Defect:<\\\/strong>\\u00a0PAUT and TOFD inspections confirmed a critical flaw requiring immediate attention.<\\\/li>\\n<!-- \\\/wp:list-item --><!-- wp:list-item -->\\n<li><strong>The Impossible Geometry:<\\\/strong>\\u00a0The defective section was located in a crowded utility corridor, with the pipeline's outer wall physically touching a parallel crude oil line (the Kejia pipeline). This proximity completely ruled out conventional repair methods like welding a Type B sleeve, as there was zero clearance for safe welding operations. Even after extensive stress-relief excavation, the clearance remained insufficient.<\\\/li>\\n<!-- \\\/wp:list-item --><!-- wp:list-item -->\\n<li><strong>Core Dilemma:<\\\/strong>\\u00a0How to replace a section of a\\u00a0large-diameter (DN900\\\/914mm), high-pressure, in-service crude oil pipeline\\u00a0without shutting it down, while working in an area with severely restricted physical access and significant safety risks?<\\\/li>\\n<!-- \\\/wp:list-item --><\\\/ul>\\n<!-- \\\/wp:list --><!-- wp:paragraph -->\\n<p>This scenario represents the pinnacle of challenges in\\u00a0crude oil pipeline maintenance, demanding more than just standard procedures\\u2014it required a bespoke engineering solution centered on\\u00a0safe pipeline isolation plugging.<\\\/p>\\n<!-- \\\/wp:paragraph --><!-- wp:heading {\\\"anchor\\\":\\\"h-our-solution-a-bespoke-double-block-amp-double-bleed-isolation-strategy\\\"} --><!-- \\\/wp:paragraph -->\"},\"elements\":[],\"widgetType\":\"text-editor\"},{\"id\":\"7bed272\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<!-- wp:paragraph --><!-- \\\/wp:paragraph --><!-- wp:heading {\\\"anchor\\\":\\\"h-our-solution-a-bespoke-double-block-amp-double-bleed-isolation-strategy\\\"} -->\\n<h2 id=\\\"h-our-solution-a-bespoke-double-block-amp-double-bleed-isolation-strategy\\\" class=\\\"wp-block-heading\\\"><strong>Our Solution: A Bespoke Double Block &amp; Double-Bleed Isolation Strategy<\\\/strong><\\\/h2>\\n<!-- \\\/wp:heading --><!-- wp:paragraph -->\\n<p>Our mandate was clear: enable a safe section replacement with\\u00a0zero product loss\\u00a0and\\u00a0zero interruption to pipeline flow. We designed and executed a custom\\u00a0double block and bleed isolation\\u00a0plan using\\u00a0advanced <a style=\\\"color: #f8b526;\\\" href=\\\"https:\\\/\\\/www.pipetechservice.com\\\/pipeline-repair-services\\\/\\\">pipeline hot tapping and stoppling\\u00a0techniques<\\\/a>.<\\\/p>\\n<!-- \\\/wp:paragraph --><!-- wp:paragraph -->\\n<p><strong>The Technical Approach:<\\\/strong><\\\/p>\\n<!-- \\\/wp:paragraph --><!-- wp:list {\\\"ordered\\\":true,\\\"start\\\":1} -->\\n<ol class=\\\"wp-block-list\\\" start=\\\"1\\\"><!-- wp:list-item -->\\n<li><strong>Customized Pipe Fitting Installation:<\\\/strong>\\u00a0We welded six reinforced hot tap fittings onto the live pipeline:<!-- wp:list -->\\n<ul class=\\\"wp-block-list\\\"><!-- wp:list-item -->\\n<li><strong>2x DN900 Stoppling Fittings:<\\\/strong>\\u00a0For the main\\u00a0line isolation plugging\\u00a0operation upstream and downstream of the defect.<\\\/li>\\n<!-- \\\/wp:list-item --><!-- wp:list-item -->\\n<li><strong>2x DN300 Temporary Bypass &amp; Bagging Fittings:<\\\/strong>\\u00a0To install an\\u00a0airbag (pipeline bagging)\\u00a0system, providing a secondary, flexible isolation barrier and facilitating bypass flow during the cut-out.<\\\/li>\\n<!-- \\\/wp:list-item --><!-- wp:list-item -->\\n<li><strong>2x DN50 Balance\\\/Equalization Fittings:<\\\/strong>\\u00a0A critical safety feature to monitor and equalize pressure between isolated sections, preventing dangerous pressure build-up.<\\\/li>\\n<!-- \\\/wp:list-item --><\\\/ul>\\n<!-- \\\/wp:list --><\\\/li>\\n<!-- \\\/wp:list-item --><!-- wp:list-item -->\\n<li><strong>Sequenced Pressure Isolation:<\\\/strong><!-- wp:list -->\\n<ul class=\\\"wp-block-list\\\"><!-- wp:list-item -->\\n<li><strong>Step 1 - Non-Intrusive Hot Tapping:<\\\/strong>\\u00a0Using specialized hydraulic cutting machines, we safely cut through the pipe wall under full pressure to create access points for the\\u00a0stoppling heads\\u00a0and\\u00a0airbags.<\\\/li>\\n<!-- \\\/wp:list-item --><!-- wp:list-item -->\\n<li><strong>Step 2 - Primary Mechanical Isolation:<\\\/strong>\\u00a0High-integrity mechanical plugging heads (stopples) were inserted through the DN900 fittings, creating a solid, pressure-tight metal block in the pipeline\\u2014our primary\\u00a0pressure isolation\\u00a0barrier.<\\\/li>\\n<!-- \\\/wp:list-item --><!-- wp:list-item -->\\n<li><strong>Step 3 - Secondary Flexible Isolation:<\\\/strong>\\u00a0Pipeline airbags (bagging pigs)\\u00a0were deployed through the DN300 fittings downstream of the stopples, forming a secondary seal and capturing any potential product seepage\\u2014completing the\\u00a0double block and bleed\\u00a0safety protocol.<\\\/li>\\n<!-- \\\/wp:list-item --><!-- wp:list-item -->\\n<li><strong>Step 4 - Bypass Flow &amp; Section Drainage:<\\\/strong>\\u00a0A temporary bypass line was connected, allowing the continuous flow of crude oil around the isolated section. The isolated segment was then safely drained and prepared for cutting.<\\\/li>\\n<!-- \\\/wp:list-item --><\\\/ul>\\n<!-- \\\/wp:list --><\\\/li>\\n<!-- \\\/wp:list-item --><\\\/ol>\\n<!-- \\\/wp:list --><!-- wp:paragraph -->\\n<p>This method exemplifies the pinnacle of in-service pipeline repair under pressure. It transformed an \\\"impossible\\\" welding site into a controlled, isolated, and safe worksite for the replacement crew.<\\\/p>\\n<!-- \\\/wp:group --><!-- wp:heading {\\\"anchor\\\":\\\"h-project-execution-precision-under-pressure\\\"} --><!-- \\\/wp:paragraph -->\"},\"elements\":[],\"widgetType\":\"text-editor\"},{\"id\":\"57f9742\",\"elType\":\"container\",\"settings\":{\"content_width\":\"full\",\"flex_direction\":\"row\"},\"elements\":[{\"id\":\"d5227d1\",\"elType\":\"widget\",\"settings\":{\"image\":{\"url\":\"https:\\\/\\\/www.pipetechservice.com\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/Pipeline-Circumferential-Weld-Defect-Replacement-Plugging-Project-Construction-Site.jpg\",\"id\":4308,\"size\":\"\",\"alt\":\"Construction site of Riyi crude oil pipeline (DN914) circumferential weld defect repair & plugging project in Rizhao: Workers, cranes, and excavated trench with large-diameter pipeline during plugging works\",\"source\":\"library\"},\"image_size\":\"full\"},\"elements\":[],\"widgetType\":\"image\"},{\"id\":\"63cceae\",\"elType\":\"widget\",\"settings\":{\"image\":{\"url\":\"https:\\\/\\\/www.pipetechservice.com\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/Aerial-View-of-Riyi-Pipeline-Circumferential-Weld-Defect-Replacement-Plugging-Project-Site.jpg\",\"id\":4310,\"size\":\"\",\"alt\":\"Aerial shot of Riyi crude oil pipeline (DN914) circumferential weld defect repair & plugging construction site in Rizhao: Excavated trench, pipeline, construction equipment and materials during the project\",\"source\":\"library\"},\"image_size\":\"full\"},\"elements\":[],\"widgetType\":\"image\"}],\"isInner\":true},{\"id\":\"f3ae09e\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p><!-- wp:paragraph --><\\\/p>\\n<h2 id=\\\"h-project-execution-precision-under-pressure\\\" class=\\\"wp-block-heading\\\"><strong>Project Execution: Precision Under Pressure<\\\/strong><\\\/h2>\\n<p><!-- \\\/wp:heading --><!-- wp:paragraph --><\\\/p>\\n<p>Our role as the lead&nbsp;pipeline isolation contractor&nbsp;covered full-scope execution:<\\\/p>\\n<p><!-- \\\/wp:paragraph --><!-- wp:list --><\\\/p>\\n<ul class=\\\"wp-block-list\\\"><!-- wp:list-item --><p><\\\/p>\\n<li><strong>Engineering &amp; Planning:<\\\/strong>&nbsp;Detailed procedure development, stress analysis for fitting installation, and comprehensive risk assessment.<\\\/li>\\n<p><!-- \\\/wp:list-item --><!-- wp:list-item --><\\\/p>\\n<li><strong>Equipment Mobilization:<\\\/strong>&nbsp;Deployment of certified&nbsp;<a style=\\\"color: #f8b526;\\\" href=\\\"https:\\\/\\\/www.pipetechservice.com\\\/product\\\/ht-c0614-c1636-c3656-hot-tapping-machine\\\/\\\">hot tapping and stoppling&nbsp;machines<\\\/a>, hydraulic power units, and specialized isolation tools sized for&nbsp;DN900 pipeline repair.<\\\/li>\\n<p><!-- \\\/wp:list-item --><!-- wp:list-item --><\\\/p>\\n<li><strong>On-Site Leadership:<\\\/strong>&nbsp;Our certified engineers and technicians supervised all critical phases\\u2014fitting welding, pressure testing of assemblies, machine operation, and the&nbsp;plugging&nbsp;sequence.<\\\/li>\\n<p><!-- \\\/wp:list-item --><!-- wp:list-item --><\\\/p>\\n<li><strong>Safety &amp; Quality Control:<\\\/strong>&nbsp;Every step was governed by stringent permit-to-work systems, continuous atmospheric monitoring (especially critical in the confined corridor), and real-time non-destructive testing of welds.<\\\/li>\\n<p><!-- \\\/wp:list-item --><\\\/p><\\\/ul>\\n<p><!-- \\\/wp:list --><!-- wp:heading {\\\"anchor\\\":\\\"h-results-amp-client-benefits-quantifiable-success\\\"} --><!-- \\\/wp:paragraph --><\\\/p>\"},\"elements\":[],\"widgetType\":\"text-editor\"},{\"id\":\"4a047c4\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<!-- wp:paragraph -->\\n<p><strong style=\\\"font-size: 1.7em;\\\">Results &amp; Client Benefits: Quantifiable Success<\\\/strong><\\\/p>\\n<!-- \\\/wp:heading --><!-- wp:paragraph -->\\n<p>The project was completed within the planned window (May-June 2024), achieving all critical objectives with zero safety or environmental incidents.<\\\/p>\\n<!-- \\\/wp:paragraph --><!-- wp:paragraph -->\\n<p><strong>Direct Benefits to the Client:<\\\/strong><\\\/p>\\n<!-- \\\/wp:paragraph --><!-- wp:list -->\\n<ul class=\\\"wp-block-list\\\"><!-- wp:list-item -->\\n<li><strong>Eliminated Shutdown Costs:<\\\/strong>\\u00a0Avoided millions in potential lost throughput and supply chain penalties associated with a full line shutdown.<\\\/li>\\n<!-- \\\/wp:list-item --><!-- wp:list-item -->\\n<li><strong>Guaranteed Safety &amp; Integrity:<\\\/strong>\\u00a0The\\u00a0double isolation\\u00a0method provided an unmatched safety factor, protecting both personnel and the adjacent pipeline.<\\\/li>\\n<!-- \\\/wp:list-item --><!-- wp:list-item -->\\n<li><strong>Solved the \\\"Unsolvable\\\":<\\\/strong>\\u00a0Provided a viable, engineered solution where traditional\\u00a0pipeline maintenance\\u00a0methods failed.<\\\/li>\\n<!-- \\\/wp:list-item --><!-- wp:list-item -->\\n<li><strong>Long-Term Asset Integrity:<\\\/strong>\\u00a0The defect was permanently removed, restoring the pipeline section to full design strength and extending its operational life.<\\\/li>\\n<!-- \\\/wp:list-item --><\\\/ul>\\n<!-- \\\/wp:list --><!-- wp:paragraph -->\\n<p><strong>Client Testimonial:<\\\/strong><br \\\/><em>\\u201cThe complexity of this site was beyond our normal repair capabilities. The team\\u2019s expertise in\\u00a0hot tapping and stoppling\\u00a0turned a high-risk emergency into a meticulously controlled operation. Their solution not only solved the immediate problem but did so without a single drop of product loss or a minute of unnecessary downtime. This is what excellence in\\u00a0in-service repair\\u00a0looks like.\\u201d<\\\/em><br \\\/>\\u2014\\u00a0<em>Project Manager, Rizhao Operation Area, National Pipeline Network Group Shandong Company.<\\\/em><\\\/p>\\n<!-- \\\/wp:paragraph -->\"},\"elements\":[],\"widgetType\":\"text-editor\"},{\"id\":\"c58389a\",\"elType\":\"container\",\"settings\":{\"content_width\":\"full\",\"flex_direction\":\"row\"},\"elements\":[{\"id\":\"f283e48\",\"elType\":\"widget\",\"settings\":{\"image\":{\"url\":\"https:\\\/\\\/www.pipetechservice.com\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/Pipeline-Defect-Weld-Points-Parallel-Kejia-Pipeline-Site.jpg\",\"id\":4312,\"size\":\"\",\"alt\":\"On-site trench view of Riyi crude oil pipeline: Marked circumferential weld defect points (1&2) and closely parallel Kejia pipeline with wooden wedge isolation measures (Rizhao, 2024).\",\"source\":\"library\"},\"image_size\":\"full\"},\"elements\":[],\"widgetType\":\"image\"},{\"id\":\"8272535\",\"elType\":\"widget\",\"settings\":{\"image\":{\"url\":\"https:\\\/\\\/www.pipetechservice.com\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/Aerial-Construction-Site-of-Riyi-Pipeline-Circumferential-Weld-Defect-Replacement-Plugging-Project.jpg\",\"id\":4313,\"size\":\"\",\"alt\":\"Aerial view of Riyi crude oil pipeline (DN914) circumferential weld defect repair & plugging construction site in Rizhao: Excavated trench, pipeline, cranes, construction vehicles and workers during the project\",\"source\":\"library\"},\"image_size\":\"full\"},\"elements\":[],\"widgetType\":\"image\"}],\"isInner\":true},{\"id\":\"7757b63\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<!-- wp:paragraph -->\\n<h2 id=\\\"h-is-your-pipeline-facing-a-mission-impossible-repair\\\" class=\\\"wp-block-heading\\\"><strong>Is Your Pipeline Facing a \\\"Mission Impossible\\\" Repair?<\\\/strong><\\\/h2>\\n<!-- \\\/wp:heading --><!-- wp:paragraph -->\\n<p>If you are managing aging infrastructure, dealing with encroachments, or facing unexpected defects in\\u00a0high-pressure pipelines, the option of a full shutdown is rarely viable. Our expertise in\\u00a0advanced pipeline isolation\\u00a0and\\u00a0non-intrusive repair technologies\\u00a0provides the alternative.<\\\/p>\\n<!-- \\\/wp:paragraph --><!-- wp:paragraph -->\\n<p><strong>We specialize in engineering solutions for:<\\\/strong><\\\/p>\\n<!-- \\\/wp:paragraph --><!-- wp:list -->\\n<ul class=\\\"wp-block-list\\\"><!-- wp:list-item -->\\n<li>Emergency pipeline repair\\u00a0without shutdown.<\\\/li>\\n<!-- \\\/wp:list-item --><!-- wp:list-item -->\\n<li>Large diameter pipeline stoppling\\u00a0(DN300 and above).<\\\/li>\\n<!-- \\\/wp:list-item --><!-- wp:list-item -->\\n<li>Complex geometry\\u00a0and high-consequence area interventions.<\\\/li>\\n<!-- \\\/wp:list-item --><!-- wp:list-item -->\\n<li>Pre-planned maintenance\\u00a0requiring safe isolation.<\\\/li>\\n<!-- \\\/wp:list-item --><\\\/ul>\\n<!-- \\\/wp:list --><!-- wp:paragraph -->\\n<p>Contact our engineering team today for a confidential consultation.\\u00a0Let us analyze your challenge and propose a safe, efficient, and cost-effective\\u00a0pipeline repair under pressure\\u00a0strategy tailored to your specific needs.<\\\/p>\\n<!-- \\\/wp:paragraph -->\"},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":false}]"],"_elementor_conditions":["a:0:{}"],"_edit_last":["1"],"_yoast_wpseo_primary_category":["1"],"_yoast_wpseo_content_score":["60"],"_yoast_wpseo_focuskeywords":[""],"_yoast_wpseo_keywordsynonyms":[""],"_yoast_wpseo_estimated-reading-time-minutes":["6"],"_yoast_wpseo_focuskw":["pipeline hot tapping and stoppling"],"_yoast_wpseo_title":["In-Service Pipeline Repair & Hot Tapping on a DN900 Crude Oil Line - JSW Pipeline Repair Company"],"_yoast_wpseo_metadesc":["Facing a critical weld defect in a high-pressure DN900 crude oil pipeline under complex conditions? 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Snapshot: Aspect Detail Client National Pipeline Network Group Shandong Co. Location Rizhao, Shandong Province, China Core Challenge Replace a defective girth weld on a DN900 crude oil pipeline in a high-consequence area with zero clearance for welding, without shutdown. Our Solution Custom\u00a0Double Block &amp; Bleed Isolation\u00a0using\u00a0Pipeline Hot Tapping and Stoppling\u00a0and secondary\u00a0airbag (bagging)\u00a0isolation. Key Results&hellip;","_links":{"self":[{"href":"https:\/\/www.pipetechservice.com\/es\/wp-json\/wp\/v2\/posts\/4298","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pipetechservice.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pipetechservice.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pipetechservice.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pipetechservice.com\/es\/wp-json\/wp\/v2\/comments?post=4298"}],"version-history":[{"count":18,"href":"https:\/\/www.pipetechservice.com\/es\/wp-json\/wp\/v2\/posts\/4298\/revisions"}],"predecessor-version":[{"id":4328,"href":"https:\/\/www.pipetechservice.com\/es\/wp-json\/wp\/v2\/posts\/4298\/revisions\/4328"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pipetechservice.com\/es\/wp-json\/wp\/v2\/media\/4307"}],"wp:attachment":[{"href":"https:\/\/www.pipetechservice.com\/es\/wp-json\/wp\/v2\/media?parent=4298"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pipetechservice.com\/es\/wp-json\/wp\/v2\/categories?post=4298"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pipetechservice.com\/es\/wp-json\/wp\/v2\/tags?post=4298"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}