Drilling pipe

Oil Drill Collar 6 1/4"-Nc46 with API Spec 7-1

AISI 4145h API Spec 7-1 Oil Heavy Weight Drill Pipe O. D 6 5/8"

AISI 4145h Heavy Duty Drill Pipe O. D 6 5/8" with API 7-1 for Petroleum

AISI 4145h Oil Heavy Weight Drill Pipe O. D 6 5/8" with API 7-1

API Spec 7-1/7-2 AISI 4145h Water Well Drilling Stabilizer/Drill Stabilizer O. D 311.1mm

API Spec 7-1/7-2 AISI 4145h String/Near-Bit Drill Stabilizer O. D 444.5mm

AISI 4145h String/Near-Bit Drill Stabilizer O. D 444.5mm with API Spec 7-1

AISI 4145h Water Well Drilling Stabilizer/Drill Stabilizer O. D 444.5mm with API Spec 7-1

AISI 4145h Water Well Drilling Stabilizer/Drill Stabilizer O. D 444.5mm with API Spec 7-1

API Spec 7-1/7-2 AISI 4145h Drilling Stabilizer/Drill Stabilizer O. D 444.5mm

API Spec 7-1/7-2 AISI 4145h String/Near-Bit Drill Stabilizer O. D 444.5mm

API Spec 7-1 P550 Water Well Drilling Non-Magnetic Drill Collar O. D. 165.1mm-Nc46

API Spec 7-1 P550 Gas Drilling Non-Magnetic Drill Collar O. D. 165.1mm-Nc46

API Spec 7-1 P550 Oil Drilling Non-Magnetic Drill Collar O. D. 177.8mm-Nc50

API Spec 7-1 P550 Oil Drilling Non-Magnetic Drill Collar O. D. 177.8mm-Nc50

API Spec 7-1 P550 Water Well Drilling Non-Magnetic Drill Collar O. D. 177.8mm-Nc50

API Spec 7-1 P550 Gas Drilling Non-Magnetic Drill Collar O. D. 177.8mm-Nc50

API Spec 7-1 Oil/Gas/Water Drilling Non-Magnetic Drill Collar O. D. 203.2mm-Nc56

API Spec 7-1 Oil Drilling Non-Magnetic Drill Collar O. D. 203.2mm-Nc56

API Spec 7-1 P550 Water Well Drilling Non-Magnetic Drill Collar O. D. 203.2mm-Nc56