

Smith International Gulf Services, LLC (SIGS), was established in Dubai, United Arab Emirates in 1974 under the Oilfields Supply Centre group of companies.
With over 50 years of product and service experience, SIGS has grown to become a leading service and product provider for the oil and gas industry across the Middle East, East Asia, Africa, and Western Asia.
What We Deliver
Operational Services
SIGS provides integrated workshop, inspection, surface treatment, and sealing solutions to support drilling, maintenance, and asset integrity. We also offer specialized coating for tubulars, casing, tubing, and drilling tools, alongside dedicated solutions for storage and rust prevention.
Precision Machining
Machine Shop Services
- OD & ID Turning
- Repair of Rotary Shouldered Connections (API & Premium)
- Milling Services
- PDC Bit Repair & Deep Hole Drilling
- Manufacturing of Drill Collars, Integral Heavy Weight Drill Pipe, Rotary Substitutes, Integral & Welded Blade Stabilizers, Roller Reamers, Milling & Fishing Tools, Hole Openers, Bull Nose, Junk Baskets, Lift Subs, OCTG Accessories
- Stub Welding, Hardbanding, Hardfacing, Tool Joint & Stabilizer Blade Buildup, Fabrication of Bit Breakers
- Phosphating & Shot Peening
- Manufacturing & Repair of Non-Magnetic Steel Components
- Make & Break-out Connections
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Asset Inspection
Field Inspection Services
- Inspection of RSC, BHA, DHT, DPTG & OCTG
- Rig Mast & Substructures, Handling & Hoisting Tools
- Various Non-Destructive Testing (MT, PT, ET, VT, EMI)
- Lifting Equipment: Loose Gear, Winches, Cranes, Forklifts, Skids, Offshore Containers, DROPS
Surface Protection
Blast and Paint
- Blasting: Aluminum Oxide, Steel Grit, Glass Bead, Garnet
- Painting: 2- & 3-coat industrial corrosion protection
- PTFE Coating: Ever Silk & Xylan
- Manganese Phosphating
Fluid Sealing Solutions
Fluid Sealing Manufacturing Division
- Ring Joint Gaskets
- Spiral Wound Gaskets
- Kammprofile Gaskets
- Insulating Gasket Kits
- Gland Packing
- Flat Cut Gaskets (CNAF, Graphite, PTFE)
- Lens Gaskets
- Subsea Gaskets
- Kroll & Ziller Gaskets
- Rubber Gaskets (EPDM, NBR, Neoprene, Viton)
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Product Line
Key Products

Sealed Bearing Reamers, Borrox AP®
The Borrox AP sealed-bearing reamer provides durable hole gauge control and torque reduction, with interchangeable cutter options optimized for soft to hard and abrasive formations.

Open Bearing Reamers, Model 60
The Model 60 open-bearing reamer supports effective hole gauge maintenance and torque reduction, using configurable cutter assemblies for a wide range of formation conditions.

Ring Type Joint Gaskets (RTJ)
RTJ gaskets are metallic rings for high-pressure, high-temperature flanges, used in oil, petrochemical, valves, and pipelines, compliant with ASME B16.20 and API 6A.

Spiral Wound Gaskets (SWG/SPW)
Spiral Wound Gaskets seal up to 250 bar and -200°C to 1000°C. Easy to install and remove without flange damage, with materials adaptable to varied conditions.

Insulating Gasket Kit – Type F
Installed within the bolt circle, the outside diameter extends to the inside of the bolt hole circle. Bolts assist with accurate alignment during installation.

Flat Cut Gaskets
CNAF, PTFE, and Graphite flat cut gaskets provide reliable sealing, combining chemical resistance, durability, and high-temperature performance.
