Drill Collars

We are offering drill collars. This is another expertise area of us, we can give you instant quotation of casing and tubing if you need products from us or japan manufacturer. These products are ex-stock in aberdeen, uk or houston, usa. We also supply casing and tubing from china and india. These products come along with third party inspection, mill-test and country of origin certificates. These products are quoted based on cif or fob both. Since the quotation is valid only for 5-10 days, please send the inquiry if you need an urgent basis. For these products, we don't quote for tender.
Drill collar:
drill collar diameter 3-18, 3-12, 4-18, 4-34, 5, 6, 6-14, 6-12, 6-34, 7, 7-14, 7-34, 8, 8-14, 9, 9-12,9-34, 10, 11.
Bore diameter 1-14, 1-12, 2, 2-14, 2-1316,
connection nc 23-31, nc 26-35, nc 31-41, nc 35-47, nc 38-50, nc 44-60, nc 44-62, nc 46-65, nc 50-70, nc 50-72, nc 56-77, nc 56-80, nc 70-97.
Length 30-31
description products are manufactured to api spec. 77-1 and api rp7g