Описание
R780 geological drilling pipe for geothermal water well exploration drillingThe R780 geological drilling pipe is suitable for transporting various oil, natural gas, water, and other resource fluids and materials Geological drilling pipes include drill pipes,drill collars,core pipes,casings,
sedimentation.The pipes.steel grade materials are classified into E75, X95, G105, S135, ZT380, ZT490, ZT520, ZT540, ZT590, ZT640, ZT740, ZT850, ZT950, DZ40, DZ50, DZ55, DZ60, DZ65, DZ75
Execution standards API SPEC 5D: 2001 "Specification for Drill Pipe" and API Bul 5C2: 1999 "Performance of Castings, Tubing, and Drill Pipe"
