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Gas Injection Tubing Head Assembly

The gas injection tubing head assembly is a critical load‑bearing and sealing wellhead unit for gas reinjection and EOR projects, built in accordance with API 6A and NACE MR0175 standards. Compared with conventional tubing heads designed for single‑direction hydrocarbon output, this integrated assembly integrates a heavy forged body, tubing hanger and high‑performance sealing system suitable for compressed injected gas. It reliably holds working pressure up to 25,000 psi and prevents annular gas leakage during gas reinjection. Its precision‑machined sealing surfaces and modular structure require no on‑site custom processing and reduce installation deviations. It is compatible with onshore and offshore gas injection well arrangements and solves the inadequate pressure‑holding capacity of traditional tubing heads under cyclic gas injection.

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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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