The self-developed SL-110CQ gas-tight premium thread has passed the test and evaluation by Xi’an Tubular Goods Research Center of CNPC. It is superior in sealing performance, excellent in collapse and buckle resistance and convenient for make-and-break. The premium thread has been successfully applied on tubular goods and used in key domestic oilfields such as Daqing, Shengli and Zhongyuan etc.

Features:

1. Double metal seal at the cone face and end face, leading to desirable sealing property;
2. Torque shoulder design with excellent torque resistance;
3. High connecting strength of the thread, excelling that of buttress thread;
4. Low thread distortion and high anti-galling performance;
5. Streamline design with decreased energy loss;
6. Suitable for gas well or directional well applications.