Our Story

Sierra Oil Ltd. specializes in the trade and supply of high-quality equipment for the oil and gas industry.
Established in 2014, Sierra Oil is the exclusive agent and representative for several world-class European manufacturers in the MENA and CIS regions.
We represent plants that have extensive manufacturing experience across all our products’ categories and own advanced production facilities and hold the highest international standards including ASTM, API, ASME, DIN, NACE, BS, NF, UNI, JIS and Gost.
Today, Sierra Oil Ltd. is a trusted business partner with far-reaching business operations expanding over three continents and excellent credibility in the local, regional and international market.
Design creates culture. Culture shapes values. Values determine the future.



Procurement and Supply


Fittings & Accessories
Pipeline Supplies
Application: Upstream, Midstream & Downstream
Seamless Pipes (2” up to 28”)
Carbon Steel, Stainless Steel and Low Carbon Steel, Seamless Pipes, Seamless OCTG(casing ,Tubing, Drill Pipe). According to ASTM-106, API 5 L, API 5C,API5CT,API 5D, ASTM A53 GRADE A/B, ASTM A-333, ASTM A-335, ASTM A-312, DIN 2440/2441, BS3601/3602/1387, H40, J55,N80, L80, C90, and T95, P110.
Welded Pipes (15 mm To 2000 mm)
ERW, LSAW, HSAW, EFW According to API 5L, ASTM A53 Grade A/B, ASTM A671/672, ASTM A-312, BS1387, DIN 2440/2441
Coated Pipes
Internal and External Hot Dip Galvanizing according to BS729/ASTM A 123, Fusion Bonded Epoxy Coating DIN 30670/N-n, 3 layer PE
Weld Neck, Slip on, Socket Weld, Threaded, Blind, Lap Joint, Spectacle Blind According to ASTM A105, A181, A182 (ANSI Class 150-2500), BS4504/EN1092-1 (PN6 -PN40)
Pipe Fittings (Sizes from 2” up to 56”)
Forged Steel Fittings (Threaded & Socket Welded)
Elbows, Tee, Unions, Socket, Reducing Bush, Hex Nipple, Swage Nipple,Welded Outlet, Nipple Outlet, Elbow Outlet, Socket Welding Outlet, Threaded Outlet. According to: ASTM A105 & ASTM A182 Grade in Class 3000,6000,Sch40,80,160, XXS
Spiral Wound, Flat Ring, Serrated Flange Gaskets Joint, Non-Metallic & Metallic
Application: Water Steam, Petroleum products, Oil Line Service, HF Service, Gas Line Service, HP & LP Service Lines.
Valves Pressure class ranges from 150lbs to 2500Lbs with an additional 10,000PSI for API 6A valves Various operator options manual or hand wheel, gear, electrical actuator, pneumatic actuator & G/O actuated etc. Material – Carbon steel, Stainless steel, Brass, Ductile iron, Alloy steel & Exotic materials (Monel, Inconel, Duplex, Super Duplex) casted or Forged. Sizes ranges from ½” up to 56” .

Ball Valves
Gate Valves
Globe Valves
Plug Valves
Check Valves
Butterfly Valves
API 6A Wellhead Valves
Butt-weld Fittings (15mm to 1200 mm)
According to ASME/ASTM, MSSP, BS1965
Elbow long & Short Radius
• Equal & Reducing Tee
• Eccentric Reducer
• Concentric Reducer
• Cap, Weld O let
Drill Bits
Roller Cone Bits ,PDC Bits , Core Bits As per API/ANSI Q1 Sizes from 3 ½ ‘’ up to 26’’

What we do

Manufacturers Services
Consultancy to connect manufacturers to new marketplaces Provide manufacturers with training ...
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End-User Services
Minimising Total Cost Of Ownership (TCO) Project execution, coordination, follow-up and TPI a...
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Supply Chain Management Services
Outsourced project management and execution for oil and gas with an integrated full-service capabili...
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Consultancy and Training
Sierra has over 20 years of experience in providing consultancy services in engineering, project man...
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Our Approach

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