Product List

(Total 8 Products )
The drill collar is machined according to Chinese standard SY/T5144-1997 "Drilling Collar" and API 7-1 "Specification for Rotary Drill Stem Elements", and the material is AISI ...
Three right-handed spiral grooves are machined on the outside cylndrical surface of the round drill collar to reduce the contact area with the well wall and to reduce the rotating ...
Applied standard:
API SPEC 7 Specification for Rotary Drill Stem Elements
API SPEC 5D Specification for Drill Pipe
SY/T 5561-92 Specification for friction welding drill pipe ...
Non-magnetic drill collar is made from a kind of low carbon high chromium manganese steel alloy. I t is refined and forged after strict chemical component ratio to reach its ...
FOB Price: US $7,940-25,873 / Piece
Min. Order: 1 Piece
Applied standard:
API SPEC 7 Specification for Rotary Drill Stem Elements
API SPEC 5D Specification for Drill Pipe
SY/T 5561-92 Specification for friction welding drill pipe ...
FOB Price: US $2,500 / Ton
Min. Order: 1 Ton
We can produce square and hexagonal kelly based on the requirements of the users. Normal length of Kelly is 12.19 M. The kelly is made from AISI 4145H alloy structural steel and ...
FOB Price: US $3,651 / Piece
Min. Order: 1 Piece
We can produce square and hexagonal kelly based on the requirements of the users. Normal length of Kelly is 12.19 M. The kelly is made from AISI 4145H alloy structural steel and ...
FOB Price: US $4,048 / Piece
Min. Order: 1 Piece
Three right-handed spiral grooves are machined on the outside cylndrical surface of the round drill collar to reduce the contact area with the well wall and to reduce the rotating ...
FOB Price: US $1,873 / Piece
Min. Order: 1 Piece

Last Login Date: Nov 21, 2012

Business Type: Manufacturer/Factory, Trading Company, Other

Main Products: Drill Collar, Kelly Bar, Drill Pipe, Heavy Weight Drill Pipe, Spiral Drill Collar, Non-Magnetic Drill Collar, Lifting Sub