41 21f threads double wall rc pipe online manufacture

Reverse Circulation Od 114mm Drill Pipe Used for well drilling R780 grade steel Product Description: The double-wall drill pipe is used for RC drilling, the circulating medium passes through the gap between the ... Read More

3 1/2' Reverse Circulation Drill RC Drill Pipe/Drill Pipe Product Description: The double-wall drill pipe is conducive to drilling through complex formations. The circulation of compressed air in the double... Read More

Double wall drill pipe, trenchless consists of inner drill pipe and outer drill pipe Product Description: The gas lift reverse circulation drilling technology has the advantages of large backflow, fast backflow... Read More

API Stainless steel reverse circulation drill pipe 114.3 * 6000 high strength corrosion resistance Product Description 1. Name: Double wall drill pipe 2. Size: DP89/40-DP219/150 3. Standard: ISO API 4. ... Read More

Reverse Circulation Drill Pipe Circulation Drill Pipe 114mm Remet 4 1/2" Reverse Product Description: Our reverse circulation drill pipes and drill pipes consist of hardened alloy steel drill pipe joints, heavy... Read More

Reverse circulation drill pipe inner pipe with high wear resistance Product Description Gas-lift reverse circulation drilling technology is due to large backflow, fast backflow, high drilling efficiency, high ... Read More