Halliburton
Halliburton provides well construction, completion and intervention services to oil and gas operators in Kazakhstan through the Kazakhstan branch of Halliburton International GmbH (registered in 1996) and ТОО «Halliburton Kazakhstan». It has offices and operating bases in Atyrau, Aktau and Aksai; its remotely operated completion valves have been used at the Tengiz field, and it partners with Aksai Operating LLP, which holds an NCOC contract to operate a hydraulic workover unit at Kashagan.