Suppliers & manufacturers of oilfield & production treating chemicals, drilling fluids & engineering services.

Chemicals Trading.

Paint & Construction Chemicals

Manufacturer and market of ammonia & urea internationally.

Trading in chemical and chemical products.

25 years of excellence, specializing in supplying chemical products for WATER TREATMENT: alum, calcium hypochlorite, EDTA salt, ferric chloride, ferrous sulfate, ion exchange, sod dichlro iso-cynurate, etc.

Manufacturing raw material for drilling, paints, PVC pipes, constructions.

Marketing of Shell petroleum products & lubricants.

Purpose built workshop for Refurbishment of Oilfield Equipment Blow Out Preventers, X-Mas Trees, Valves & Chokes, New Manufacture of Crossovers, Spools, Flanges, Tees etc. Accredited to ISO 9001-2000. Sigma are holders of API Licences 5CT, 6A, 6H, 7, 16A, 16C & 16D. Sigma Workshop is Cameron approved workshop for Cameron Equipment. Sigma is well equipped to perform fabrication of Structural Skids, Pressure Vessels, etc. and are holders of ASME U & U2 Accreditations. Sigma Engineering Works have facilities for performing high quality painting works and are approved for the application of CeramKote, a premium internal and external surface coating.

QA/QC Inspection, Radiographic Inspection - (Gamma Se75 & Ir192) on Plant, Pipelines, Structural and Fabrication, Own Exposure Bay. Ultrasonic Inspection Flaw Detection, Thickness Surveys, Corrosion Mapping (B-Scan & C-Scan) Time of Flight Diffraction, Hull & Rig Surveys (ABS, BV, Lloyds, Germanischer Lloyd & Rina), Ultra- High Resolution In-Line Pipe Surveys (IRISPig). Tube Inspection IRIS, ECT, RFECT, MFL & MFD. Thermographic Surveys and Condition Monitoring. Welding Inspection (AWS & CSWIP), WPQ, Welder Qualification, E & I Inspection, Painting Inspection, Structural Inspection, Fabrication Supervision, Special Projects (e.g. Incotest) Liquid Penetrant & Magnetic Particle Inspection. Heat Treatment Electrical Resistance & Furnace (4m X 3m X 2,75m). Hardness Testing. Plant Inspection, Refinery, Petrochem, Power Generation & Utilities.

Suppliers of Chemicals

Mining, Processing and Trading of Industrial Mineral for Oil Well Drilling. Supplier of Drilling Chemicals and Specialized Chemicals. "An ISO 9001:2000 Company".

Chemicals trading & manufacturing.