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Pipeline Repair under Pressure: Workers operating isolation plugging equipment at night for Zhanjiang high-speed railway pipeline relocation

High-Pressure Hot Tapping & Plugging for Guangzhou-Zhanjiang High-Speed Rail Project

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Project Snapshot: A Race Against Time at the Railway’s Core Client: Southwest Products Pipeline Authority Location: Zhanjiang, Guangdong Province, China Core Challenge: Relocating a live, high-pressure (3.2MPa) φ406.4mm products pipeline running directly beneath the critical “throat zone” of the new Guangzhou-Zhanjiang High-Speed Rail station. Traditional shutdown was economically and socially unacceptable. Our Solution: A bespoke Four-Plug,

High-Pressure Hot Tapping & Plugging for Guangzhou-Zhanjiang High-Speed Rail Project Read More »

Construction site of Riyi crude oil pipeline plugging project in Rizhao: Workers, cranes, and large-diameter pipeline in the excavated trench during weld defect replacement and repair works.

Successful In-Service Repair of a Critical DN900 Crude Oil Pipeline Using Advanced Hot Tapping and Stoppling

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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 Double Block & Bleed Isolation using Pipeline Hot Tapping and Stoppling and secondary airbag (bagging) isolation. Key Results

Successful In-Service Repair of a Critical DN900 Crude Oil Pipeline Using Advanced Hot Tapping and Stoppling Read More »

Workers, excavator and pipeline at Yubei LNG emergency reserve center pipeline relocation construction site in Jiaozuo, Henan

Critical Natural Gas Pipeline Relocation via Live-Line Hot Tapping & Stoppling

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Project Overview The Challenge: Relocating a Critical Artery Without Stopping the Heartbeat Imagine being asked to perform open-heart surgery on a patient while they are still running a marathon. This was the scale of the challenge presented to us by Shanxi Tongyu Coalbed Methane Pipeline Distribution Co., Ltd. The construction of the new North Henan LNG

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Workers in red work clothes install large-diameter pipeline (for natural gas/oil pipeline relocation project) at construction site, Suqian, Jiangsu

Safely Relocating a Live High-Pressure Gas Pipeline for a Critical Road Expansion

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Project Overview  Project Parameters Details  Client: Jiangsu Provincial Transportation Department (Hypothetical for narrative) Project Name: 121 Provincial Road Expansion & Natural Gas Pipeline Relocation Project Location: Sihong County, Suqian City, Jiangsu Province, China Core Challenge: Relocating a live high-pressure natural gas pipeline crossing a road expansion zone without shutdown, eliminating safety risks and massive economic

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On-site construction of Wenchao Canal pipeline relocation project for refined oil and jet fuel.

Strategic Relocation of Critical Fuel Pipelines for Beijing’s Wen-Chao Jian River Project

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Project Overview Client: Beijing Water Affairs Construction Management Center Contractor: Beijing Jinshiwan Pipeline Technology Co., Ltd. Location: Beijing, China Core Challenge: Relocating 750m of active, high-pressure Sinopec petroleum and aviation fuel pipelines with zero product loss and ensuring continuous regional energy supply. Solution: A meticulously planned pipeline relocation project utilizing advanced hot tapping and stopping technologies to create a safe, non-disruptive tie-in. Key Result: 100%

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Our pipeline construction team and equipment mobilized at the Ulanqab project site, showcasing early-stage project preparation and organization for the DN500 natural gas pipeline installation.

DN500 Pipeline Installation & Directional Drilling Project in Ulanqab

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Project Overview Item Details Client Ulanqab Yingjie New Energy Co., Ltd. Project Location Ulanqab, Inner Mongolia, China Project Scope DN500 Pipeline Installation (240m) & Directional Drill (281m) Key Challenge Extremely tight 30-day deadline combined with complex rocky soil conditions for the directional drilling crossing. Our Solution A meticulously planned, parallel-workflow strategy integrating precision directional drilling

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Professional project planning and safety setup for the Taixing DN400 pipeline relocation, showcasing our commitment to zero-incident hot tapping and plugging services.

Taixing Chengdong Industrial Park High-Pressure Gas Pipeline Non-Stop Relocation Project: A Case Study in Zero-Downtime Pipeline Maintenance

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Project Overview Summary Client: Taixing Xin’ao Gas Co., Ltd.Location: Taixing City, Jiangsu Province, ChinaContractor: Beijing Jinshiwan Pipeline Technology Co., Ltd.Project Challenge: Relocating 156 meters of critical DN400 high-pressure natural gas pipeline (4.0MPa) serving an industrial park without interrupting gas supplySolution: Comprehensive hot tapping and line plugging services with temporary bypass systemKey Results: Completed within 30-day timeline with zero safety incidents

Taixing Chengdong Industrial Park High-Pressure Gas Pipeline Non-Stop Relocation Project: A Case Study in Zero-Downtime Pipeline Maintenance Read More »

A certified welder executing a high-integrity weld on the 1.6 MPa natural gas pipeline, showcasing our pipeline engineering services expertise.

Yingsheng Road East Section Sub-high Pressure Natural Gas Pipeline Engineering Services

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Project Overview Snapshot Aspect Details Client Yanshan County Huayou Natural Gas Co., Ltd. Location Yingsheng Road East, Yanshan County, Cangzhou, China Core Challenge Relocating 2.34 km of critical sub-high pressure gas mains along a busy urban corridor with zero service interruption and minimal public impact. Solution A comprehensive pipeline engineering package including new route installation,

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Specialized hot tapping equipment operating on live 2.2MPa natural gas pipeline, enabling zero-interruption relocation technology.

Live Tapping for Hunan Zhongyou Gas High-Pressure Natural Gas Pipeline Relocation

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Project Overview: High-Pressure Pipeline Relocation with Zero Supply Interruption Aspect Details Client Hunan Zhongyou Gas Co., Ltd. Location Liling City, Hunan Province, China Project Name Xiangli Branch Line (Yuci Road to Gas Company Section) High-Pressure Gas Pipeline Relocation Core Challenge Relocating a critical 6.3MPa gas supply line without interrupting the 2.2MPa operational flow to downstream

Live Tapping for Hunan Zhongyou Gas High-Pressure Natural Gas Pipeline Relocation Read More »

Jinshiwan engineers conducting a pre-construction field survey to verify pipeline material and conditions, a critical first step for project success.

Precision Pipeline Relocation for Xiongshang High-Speed Rail Ensuring Zero Production Shutdown

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Project Overview at a Glance The Critical Challenge: A High-Stakes Intersection of Energy and Infrastructure The monumental Xiongshang High-Speed Rail project, a vital artery in China’s transport network, faced a significant obstacle in its Shenzhou section. The proposed foundation (Pile Cap 65) for the rail line was in direct conflict with an active, high-pressure crude

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