Petro Welt Technologies AG, established in 1991 and based in Vienna, Austria, delivers advanced technology and integrated project management for the oil and gas production industry, primarily focusing on operations in Russia and Kazakhstan. The company operates through distinct divisions: Well Services and Stimulation; Drilling, Sidetracking, and Integrated Project Management; and Proppant Manufacturing. Within its well services offerings, the company provides crucial techniques such as hydraulic fracturing, multi-stage fracturing, cementing, and coiled tubing, which are instrumental in enhancing the productivity of existing wells and reactivating idle or abandoned ones. Additionally, Petro Welt Technologies manages services rendered by subcontractors, including measurement while drilling, logging while drilling, and liner cementing. Its drilling operations encompass conventional drilling, sidetrack drilling, and comprehensive project management, alongside the provision of key supplies like drilling fluids, mud drilling, drill bits, casing and liner programs, and downhole motors and turbines. The company also manufactures various proppant types, including micro-proppant, ceramic proppant, and resin-coated proppant. As of December 31, 2021, its substantial equipment fleet comprised 17 drilling rigs, 30 sidetracking rigs, and 18 fracturing fleets. Known as C.A.T. oil AG until August 2016, the company subsequently adopted its present name, Petro Welt Technologies AG.