1.material:low-carbon high-chromium alloy steel 2.low-permeability,excellent wear resistance. 3.API Spec7-1 Non-magnetic drill collar is the used of suchh a low-carbon high- chromium alloy steel of magnetic. Which is to undergo a rigorous analysis of the chemical composition by...

Stabilizer is made from AISI alloy steel. According to API Spec.7.All threads are phosphate,copper or cold worked. Stabilizer is made from AISI alloy steel. According to API Spec.7.All threads are phosphate,copper or cold worked.All threads are phosphate,copper or cold...

1.standard: API7-1 2.OD:79.4mm-279.4mm 3. factory directly delivery Spiral drill collar is the main products in Jiangsu HEXIN, such drill collar can provent drilling process in the differential pressure block, the spiral groove will allow the mud around the drill collar of...

1.standard: API7-1 2.OD:79.4mm-279.4mm 3. factory directly delivery Spiral drill collar is the main products in Jiangsu HEXIN, such drill collar can provent drilling process in the differential pressure block, the spiral groove will allow the mud around the drill collar of...

Oil well packer is mainly used for layering water and polymer injection in tubing string. Oil well packer is mainly used for layering water and polymer injection in tubing string.This packer has a function to prevent from midway sealing,what makes the success rate of running-in...

Oil well packer is mainly used for layering water and polymer injection in tubing string. Oil well packer is mainly used for layering water and polymer injection in tubing string.This packer has a function to prevent from midway sealing,what makes the success rate of running-in...

1.standard: API7-1 2.OD:79.4mm-279.4mm 3. factory directly delivery Spiral drill collar is the main products in Jiangsu HEXIN, such drill collar can provent drilling process in the differential pressure block, the spiral groove will allow the mud around the drill collar of...

1.standard: API7-1 2.OD:79.4mm-279.4mm 3. factory directly delivery Spiral drill collar is the main products in Jiangsu HEXIN, such drill collar can provent drilling process in the differential pressure block, the spiral groove will allow the mud around the drill collar of...

KSC style deep swabbing tool which combine the advanced technology from the STTER company with the plug method. KSC style deep swabbing tool which combine the advanced technology from the STTER company with the plug method.With the novel structure,high strength,wear...

Heavy weight drill pipe is made of alloyed steel and manufactured strictly from API specification and SY/5146 standard. 1.Size: 3 1/2", 4",4 1/2", 5", 5 1/2",6 5/8"2.Products description:Our integral HWDP is made from one piece of AISI 4145H...