Range: 4-1/2 – 13-3/8’’ / 114,3 – 339,73 mm
Unique Feature
Thread Profile
Shouldered Coupling
The Lite Series boasts a comprehensive line of semi-premium connections designed to outperform standard API connections.
Semi-premium threaded and coupled connection with a shouldered coupling. Fully compatible with API Buttress but with enhanced operational properties. Available globally.
Standard sizes: 4-1/2” – 13-3/8”
Semi-premium threaded and coupled connection with a shouldered coupling. Specially designed for large diameter casing. Enhanced stabbing and make-up compared to API Buttress. Available globally.
Standard sizes: 8-5/8” – 20”
The Classic Series comprises connections with metal-to-metal seals and positive torque stops that provide gas tightness and ensure reliable operation in difficult well conditions.
First generation premium threaded and coupled connection. Features a hooked thread form and metal to metal seal. Available in Russia.
Standard sizes: 4-1/2” – 13-5/8”
First generation premium threaded and coupled connection for casing. Features positive load flank and metal to metal seal. Available in Russia.
Standard sizes: 4-1/2” – 13-3/8”
First generation premium threaded and coupled connection for tubing. Features positive load flank and metal to metal seal. Available in Russia.
Standard sizes: 2-3/8” – 4-1/2”
The Pro Series premium connections feature an extraordinary ability to withstand high tension, compression, and bending loads at excessive internal and external pressure.
Second generation premium threaded and coupled connection. Features the robust hooked thread form for superior performance in tension. Field proven and extensively tested per ISO 13679 CAL IV. Available globally.
Standard sizes: 2-3/8” – 14”
Second generation high torque premium threaded and coupled connection. Features the robust hooked thread form for superior performance in tension. Field proven and extensively tested per ISO 13679 CAL IV. Available globally.
Standard sizes: 4-1/2” – 13-5/8”
Third generation premium threaded and coupled connection. Unique design for quick assembly and sealability under the most severe well conditions. Tested and validated per API 5C5 CAL IV under 100% tension and 100% compression. Available globally.
Standard sizes: 2-3/8” – 13-3/8”