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Professional, wide-angle photo of a safe industrial worksite. A crew in full PPE (helmets, fire-resistant suits) is gathered around a pipeline where a yellow hot tap machine is installed. The scene is well-lit, with safety banners in the background. Photorealistic, high detail.

Step-by-Step Guide to a Safe Pipeline Hot Tap Operation

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The safe, step-by-step process for a pipeline hot tap operation involves a meticulously planned sequence of preparation, equipment installation, execution, and restoration phases, governed by strict technical standards and safety protocols to add a branch connection to a live, pressurized pipeline without interruption of service. This guide details the complete operational procedure, from initial feasibility

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On-site operation of high-pressure natural gas pipeline isolation procedure (hot tapping and line stopping for railway relocation).

Hot Tapping & Line Stopping for CNOOC High-Pressure Gas Pipeline in Fuzhou-Xiamen Railway Construction

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Project Snapshot Element Details Client China Railway 16th Bureau Group Co., Ltd. Location Fuzhou City, Fujian Province, China Core Challenge Relocating a live, high-pressure (2.0 MPa) natural gas pipeline for a new high-speed rail line without interruption, involving multiple high-risk simultaneous operations. JSW Solution Custom-designed four-point line stop and bypass system, augmented with pneumatic plugging

Hot Tapping & Line Stopping for CNOOC High-Pressure Gas Pipeline in Fuzhou-Xiamen Railway Construction Read More »

Hot Tapping & Stoppling Success: Live Repair of Zhonglianmei Shenmu-Anping Φ813 Coalbed Methane Pipeline

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Project Snapshot Item Details Client Huasheng Huifeng Gas Transmission & Distribution Co., Ltd. Location Kelan County, Xinzhou, Shanxi Province, China Pipeline Zhonglianmei Shenmu-Anping Coalbed Methane Pipeline Key Challenge Repairing critical external deformations (up to 13% OD) on a high-pressure, large-diameter transmission pipeline without interrupting the gas supply. JSW Solution A tailored Hot Tapping and Stoppling (Pressure Isolation) plan

Hot Tapping & Stoppling Success: Live Repair of Zhonglianmei Shenmu-Anping Φ813 Coalbed Methane Pipeline Read More »

Commissioning hot tapping & plugging equipment on DN400 high-pressure natural gas pipeline during relocation (Fuzhou, 2023)

Relocating a Critical DN400 Gas Pipeline for the Fuquan Highway Expansion Without Shutdown

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Project Spotlight:  Details Client Fujian Natural Gas Co., Ltd. (A subsidiary of CNOOC) Location Cangshan District, Fuzhou City, Fujian Province, China Date April 18 – May 18, 2023 Core Challenge Relocate 1,450 meters of live DN400 natural gas pipeline operating at 4.0 MPa that was obstructed by highway expansion construction, with zero interruption to downstream

Relocating a Critical DN400 Gas Pipeline for the Fuquan Highway Expansion Without Shutdown Read More »

Red hot tapping equipment mounted on in-service natural gas pipeline (yellow fittings), with worker monitoring in excavation pit for hot tapping services

Live Hot Tapping & Plugging on 3.0MPa Gas Pipeline: A Case Study for Sinorussian Pipeline Interconnection Project

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Project Spotlight: Category Details Client State Reserve Pipeline (Shandong) Investment Group Co., Ltd. Location Linyi City, Shandong Province, China Date May 22-23, 2024 Core Challenge Execute a safe, reliable hot tapping pipeline tie-in on a live natural gas pipeline operating at 3.0 MPa, with zero shutdown mandated due to critical downstream demand. JSW Solution Advanced hot tapping and plugging services performed by our

Live Hot Tapping & Plugging on 3.0MPa Gas Pipeline: A Case Study for Sinorussian Pipeline Interconnection Project Read More »

Pipeline (with elbow) connected to hot tapping equipment, with scaffolding and crane ready for under pressure drilling in EPC project

A Full Record of High-Pressure, High-Temperature Hot Tapping for the Ningbo LNG Terminal EPC Project 

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Project Snapshot: Category Details Client International Energy Major (EPC Project) Location Ningbo, China Core Challenge Execute 12 hot taps on live, high-pressure (7.0 MPa) natural gas and high-temperature (300°C) thermal oil pipelines made of high-grade steel (X60/L415Q) with thick, non-standard walls, without shutdown. JSW Solution Custom-engineered hot tapping services, including design/fabrication of heavy-duty fittings, stringent welding procedures, and deployment of proprietary high-capacity drilling equipment. A full-scope EPC support

A Full Record of High-Pressure, High-Temperature Hot Tapping for the Ningbo LNG Terminal EPC Project  Read More »

Core pipeline hot tapping and plugging equipment for on-line crude oil pipeline repair and integrity maintenance

In-Service Relocation & Double Block and Bleed of a Major Crude Oil Pipeline for National Pipeline Network in Jiaxing

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*In June 2023, a high-risk section of the East China Crude Oil Pipeline was successfully replaced without a single minute of shutdown, thanks to precision hot tapping and plugging technology. The 9-day operation eliminated critical encroachment risks, ensuring continuous energy supply and long-term pipeline integrity for the National Pipeline Network.* Facing a critical safety hazard

In-Service Relocation & Double Block and Bleed of a Major Crude Oil Pipeline for National Pipeline Network in Jiaxing Read More »

Construction site with plugging equipment and oil pipeline, part of abandoned pipeline disposal in pipeline hazard management project

Luning Line Rerouting & Abandoned Pipeline Disposal for PipeChina

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Project Snapshot Element Details Client PipeChina Shandong Operation & Maintenance Center, Jining Operation Area Location Weishan County, Zaozhuang City, Shandong Province, China Core Challenge Execute a high-risk pipeline hazard management project on an operational D711mm crude oil pipeline. This involved the safe abandoned pipeline disposal of 5.8km of old pipeline and the construction of 5.5km of new line, including

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Workers operating equipment in enclosed excavation pit during petroleum pipeline repair, part of pipeline shutdown operation and hot tapping and plugging process

Safe Replacement of an Encroached DN400 Petroleum Pipeline in Hunan Using Advanced Hot Tapping and Plugging Services

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Project Overview Aspect Details Client A Major Pipeline Operator in China Location Yueyang County, Hunan Province, China Core Challenge A critical high pressure pipeline segment was in dangerously close proximity to residential buildings, posing a significant public safety risk. Traditional repair methods would require a prolonged, costly full-line shutdown. Our Solution A planned shutdown operation utilizing double block and bleed

Safe Replacement of an Encroached DN400 Petroleum Pipeline in Hunan Using Advanced Hot Tapping and Plugging Services Read More »

Pipeline Encroachment Remediation: Equipment setup for pipeline replacement at Xianggan Wuxin pipeline project site

High-Stakes Pipeline Encroachment Remediation – The Huxi Ancestral Hall Pipeline Relocation Project

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Project Snapshot Element Details Client Wuxin Pipeline Operating Company Location Xiaonan District, Xiaogan City, Hubei Province, China Core Challenge A high-pressure natural gas pipeline was severely encroached by the Huxi Ancestral Hall, with a clearance of only 2 meters—a major safety violation and operational risk. Our Solution A “Zero-Shutdown” pipeline replacement using 323mm Double-Sided Stopple &

High-Stakes Pipeline Encroachment Remediation – The Huxi Ancestral Hall Pipeline Relocation Project Read More »