5-7/8"、5"、4" V150 High Steel Grade Drill Pipe and High Torsion-Resistant Drill Pipe

5-7/8"、5-1/2"、5"、4-1/2"、4"、3-1/2"、2-7/8"、2-3/8" V150/S135 Drill Pipe With Special Thread

5-7/8"、5-1/2"、5"、4"、3-1/2″ Heavy Weight Drill Pipe

Drill Pipe/Heavy Weighted Drill Pipe/Non-Magnetic Pressure Bearing Drill Pipe

5-7/8″ 、5-1/2″、5″、4-1/2″、4″、3-1/2″ 、2-7/8″ Non-standard drill pipe

Drill Pipe