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Gas Injection Wellhead

The gas injection wellhead assembly is a critical pressure‑containing and gas‑feeding component in the wellhead system, developed for injecting nitrogen, CO₂ or natural gas into reservoirs to supplement formation energy, manufactured in accordance with API 6A and NACE MR0175 standards. Differing from conventional water injection wellheads, this integrated assembly adopts heavy‑duty sealing structures to manage high‑pressure injected gas and prevent medium escape. Precision‑machined sealing faces and a modular design remove the need for field customization, reduce installation defects and suit onshore and offshore gas‑flooding EOR projects, which traditional injection equipment cannot reliably support.

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Jiangsu Hongtai Petrochemical Machinery Co., Ltd. is located in Funing Economic Development Zone beside the Yellow Sea. Founded in 2006, it has grown into a nationally recognized high-tech enterprise specializing in R&D, manufacturing and technical services of petroleum machinery.

Covering nearly 100,000 square meters with over 200 professional staff, the firm is equipped with more than 300 core production machines and 1,000 testing instruments. It annually produces 3,000 sets of high-pressure wellhead assemblies with an annual output value exceeding RMB 300 million.

Boasting a provincial R&D team and long-term university-industry cooperation, the company owns over 100 national patents. Its CNAS & CAL-certified lab and imported facilities guarantee reliable product performance. It holds API 6A, API 16C, API 5CT, API Q1, ISO 9001 and special equipment manufacturing licenses, and participates in drafting national industrial standards. Over 20% of staff hold intermediate or higher technical titles. Upholding integrity, innovation and professionalism, we deliver full-lifecycle solutions and seek win-win partnerships worldwide.

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