Drill collars, 6 1/2 in, spiral

24 spiral drill collars in AISI 4145H for weight on bit in 8 1/2 in hole. Connections recut, stress-relief grooves, priced per collar.

From $4,800

24 spiral drill collars in AISI 4145H for weight on bit in 8 1/2 in hole. Connections recut, stress-relief grooves, priced per collar.

Design

Type

Drill collar

Size

Outside diameter

165 mm

Connection

NC50 (4 1/2 IF)

Length range

Range 2

Material

Steel grade

4145H

Inspection

Inspection class

Premium class

Stock

Joints in stock

24