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Industrial Articles

Technical articles on OCTG, alloy and stainless steel: grades, heat treatment, corrosion limits and field practice, written by the ShunFu Metal team.

Oil Well Casing: Types, Specifications, and Technical Requirements According to API 5CT

Casing represents the largest consumption category within oil country tubular goods (OCTG), accounting for over 70% of all tubular products used in oil and gas well construction. Unlike drill pipe or production tubing, casing becomes permanently cemented into the wellbore and cannot be retrieved for reuse. This article examines the technical classifications, dimensional specifications, material

2026-01-28T06:01:43+00:00January 23rd, 2026|Industrial Articles|
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API 5CT Tubing: Types, Specifications, Steel Grades, and Technical Requirements

API 5CT Tubing: Types, Specifications, Steel Grades, and Technical RequirementsTubing serves as the primary conduit for hydrocarbon extraction in oil and gas wells. Unlike casing, which provides structural integrity to the wellbore, tubing operates as a replaceable production string that directly contacts well fluids under varying pressure and temperature conditions. Understanding tubing classifications, dimensional tolerances,

2026-01-28T06:01:43+00:00January 23rd, 2026|Industrial Articles|
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Baoshi Machinery Achieves China’s First Ultra-Long Perforating Gun Segmented Cutting and Fishing Operation Under Pressure

Baoshi Machinery Achieves China's First Ultra-Long Perforating Gun Segmented Cutting and Fishing Operation Under Pressure Company sets new national record with 1,711-meter operation, advancing ultra-deep well intervention technology capabilities Baoshi Machinery's Chengdu subsidiary has successfully completed China's first ultra-long perforating gun segmented cutting and fishing operation under pressure, establishing a new benchmark for pressurized workover

2026-01-28T06:01:43+00:00January 21st, 2026|Industrial Articles|
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China Successfully Conducts First Full-Scale High-Pressure Hydrogen Pipeline Jet Fire Tests

China Successfully Conducts First Full-Scale High-Pressure Hydrogen Pipeline Jet Fire Tests December 7, 2024 Xinjiang, China China National Pipeline Group, in collaboration with the China Academy of Safety Science & Technology, successfully completed the country's first full-scale high-pressure pure hydrogen pipeline jet fire testing series at the Pipeline Fracture Control Test Site in Hami,

2026-01-28T06:01:43+00:00January 21st, 2026|Industrial Articles|
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