OCTG Supply, Threading & Repair
The Machine Shop at Maktoom Co.’s Nizwa Facility is a specialized hub for precision machining, pipe threading, and repair services. Fully equipped with heavy-duty manual lathe machines, our facility is designed to meet the diverse needs of the oilfield sector and artificial lift systems.
API Tubulars Threading Services
Threading and inspection capabilities according to:
- API 5B – Threading, gauging, inspection of casing, tubing, and line pipe threads
- API 7-1 – Manufacturing of Rotary drill stem elements- crossover sub and Bit Sub
- API 7-2 – Threading, gauging, inspection of Rotary shouldered Connection
- High-precision threading workshop within Nizwa facility
Material and Grades
H40, J55, K55, N80 (all types), L80 (all types), C90, R95, T95, P110, C110, and Q125. Grades L80 Type 1, L80 3Cr, L80 9Cr.
Outer Diameter (OD)
From 2.875 inches (73.025 mm) up to 13.625 inches (346.075).
Connections & End Finishes:
- API 5B: LTC Long Thread Casing, (BTC Butress thread Casing), EUE (External Upset Tubing).
- API 7-2: IF (Internal Flush Connection thread) REG (Regular Connection thread), F.H and PAC.
Maktoom Trading & Contracting Co. LLC operates its Nizwa Facility in full compliance with the API Q1 Quality Management System, ensuring consistent quality, traceability, and reliability across all OCTG threading, inspection, and repair activities.
Our operations are governed by documented procedures, calibrated inspection equipment, qualified personnel, and continuous improvement practices in line with API requirements, enabling us to deliver safe, compliant, and customer-focused services to the oil and gas industry.