Connection Name: ZC-1, ZC-2, ZC-3, ZC-4, ZC-5, ZC-6, ZC-4S
Size Range: OD: 1.66’’-20’’, WT: 3.18mm-22.22mm
Connection Types: Gas-tight, metal-to-metal seal, torque-enhanced, flush connections
Standards: API 5CT, ISO, CE (with proprietary design approvals), ISO 13679 CAL IV
Performance:
Superior sealing capacity for high-pressure & high-temperature wells
Excellent resistance to gas leakage, bending, and torque
Enhanced fatigue performance for horizontal & deepwater drilling
Extended service life in challenging wellbore conditions
Applications: Shale gas, tight oil, HPHT wells, sour service, offshore drilling, horizontal and deviated wells
Surface Protection: Anti-corrosion coating, thread protectors, phosphate treatment
Delivery Options: Bundled with steel strips, plastic end caps, wooden boxes (on request), bracket packaging
Customization: Available with different torque ratings, seal designs, and coating options
Third Party Inspection: Final inspection such as SGS, BV, etc.
ZC Steel provides Premium Connections designed to deliver superior sealing performance, mechanical strength, and reliability in the most demanding oil and gas environments. Compared with standard API connections, premium connections offer enhanced gas-tight sealing, torque capacity, and resistance to extreme pressure and temperature, making them essential for deep wells, horizontal drilling, and offshore projects.
Engineered with advanced thread design and precision manufacturing, ZC Premium Connections minimize leakage risk, extend service life, and improve operational safety. They are fully compatible with ZC’s tubing and casing products, available in a wide range of steel grades including API, 13Cr, Super 13Cr, and CRA alloys.
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