API Drill Collar for Oilfield

• Customization: Available
• After-sales Service: 1 Year
• Warranty: 1 Year
• Model NO.: TL-011
• Manufacturing Process: Casting
• Surface Treatment: According to Customer
• Operation Pressure: 140MPa/175MPa
• Material: According to Customer
• Transport Package: Wooden Box
• Specification: 79.4mm~279.4mm, 3-1/8 inch ~11 inch
• Trademark: Tolian
• Origin: Liaoning Anshan
• HS Code: 8431431000
• Production Capacity: 50000 Pieces/Year

Product Description

A type,B type &C type drill collar.

Type A(Cylindrical):Be made of Alloy Steel and the craoss sections of the inside and outside pipe are both round.

Type B(Spiral):Be made of alloy steel and the outside pipe has spiral grooves.

Type C(Non-magnetic):Be made of stainless alloy steel with rather low magnetic permeability and the cross sections of the inside and outside pipe are both round.

 

A type,B type &C type drill collar.

Type A(Cylindrical):Be made of Alloy Steel and the craoss sections of the inside and outside pipe are both round.

Type B(Spiral):Be made of alloy steel and the outside pipe has spiral grooves.

Type C(Non-magnetic):Be made of stainless alloy steel with rather low magnetic permeability and the cross sections of the inside and outside pipe are both round.
A type,B type &C type drill collar.

Type A(Cylindrical):Be made of Alloy Steel and the craoss sections of the inside and outside pipe are both round.

Type B(Spiral):Be made of alloy steel and the outside pipe has spiral grooves.

Type C(Non-magnetic):Be made of stainless alloy steel with rather low magnetic permeability and the cross sections of the inside and outside pipe are both round.