Oil tubing and casing couplings
Oil tubing coupling and casing coupling OCTG pipes and parts Size: 1.050, 1.315, 1.660, 1.900, 2-3/8, 2-5/8, 3-1/2, 4, 4-1/2, 5, 5-1/2, 6-5/8, 7, 7-5/8, 8-5/8, 9-5/8, 10-3/4, 11-3/4, 13-3/8, 16, 18-5/8, 20 inch type end: tubing coupling: EUE, NUE...