Drill collar, China Drill collar Supplier

Drill collar - Drill collar

Drill collar For Sale, Most Competitive Price, Fast Delivery, Custom Service, Wholesale Drill collar, Made in China, High Quality Products!, China drill collar, slick drill collars Supplier, Manufacturer.

drill collar,slick drill collars, spiral drill collars, non-magnetic drill collars,API drill collar,API 7-1 drill collar,NS-1 drill collar,4145H drill collar,Spiral Drill Collar With Elevator Groove And Slip Groove;
Drill Collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension. Especially drill collar can keep drill bit centralized and hole track by large rigidity. TIANHE brand drill collars are manufactured strictly from API Spec7-1 and SY5411 standard.

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TianHe Oil Group HuiFeng petroleum equipments Co.,Ltd

Address: No.43, West Diming Street, , Mudanjiang City, Heilongjiang Province, China, 157011
Tel: 0086-453-5979983
TianHe Oil Group Production include Drill Collar (DC),Drill pipe (DP),Heavy weight drill pipe(HWDP),square kelly,hexagonal kelly,stabilizer,Hole opener, Roller reamer, Casing scraper, Internal Casing Cutter,External Casing cutter,Marine or Mechanical,Key seat Reamer,Kelly Valve,Full opening safety Valve,FT type Drop-in Check Valve,FJ type-Arrow back PressureValve,Inside Bop,Float Valve sub,By pass Valve,Cup tester,Wear Sub,Circulating sub,cross over sub,Reduce sub,saver sub,lift sub,Different of Drilling jar,Fishing jar,Shock absorber,bumper Jar,Oil Jar,Bumper sub,Jar Intensifiers, Bowen 150,Bowen70,Bowen20 Over shot and spear,Junk Basket,Junk sub,Fishing magnet, Flat Bottom Junk Mill,Concave Junk Mill,Bladed Junk Mill,Pilot Mill,Tapered Mills,Economill,String Mill,Skirted Junk Mill,,Hydraulic Bucking Unit,Downhole motor and tester,Jar tester,Tricone bit,,...