With regards to Zhananuoer Oilfield, it is one of the two oilfields (including Zhananuoer and Kenjiyak Oilfield) CNPC bought in Aktobe, Kazakhstan. GWDC is specially responsible for drilling and exploration in it. China National Petroleum Corporation would enjoy the right to explore in the oilfield for 2 decades, therefore, the urgent problem they need solve was a quicker speed of drilling. Besides, they also demanded a higher adaptability of solids control system applied. KOSUN is one of top 3 solids control equipment manufacturers in China who had mastered mature skills, thus, it undertook this mission to supply CNPC in this case.

For Zhananuoer Oilfield, KOSUN not only provided the whole set of drilling mud purification system, but also offered such after-sale services as maintenance and supply of accessories, etc as required. For these purposes, KOSUN established Kazakhstan KOSUN Services Co., Ltd. on November,2009. This company is located in Kazakhstan, but is capable to offer 5 central Asian countries and Russian regions many services like maintenance of equipments, leasing of equipments, drilling & well workover, solids control system production& assembly, of which Xi'an KOSUN Machinery Co., Ltd. will give technical supports. Afterwards, KOSUN also co-invested with "Batys-Munai" LLP in building up the first Central-Asian solids control manufacturing base.

KOSUN Drilling Solids Control System used in Zhananuoer Oilfield, Kazakhstan

KOSUN Vacuum Degasser in Zhananuoer Oilfield, Kazakhstan

KOSUN is now the sole solids control equipment and maintenance service supplier for GWDC and "Batys-Munai" LLP.

Founded in 1992, Xi’an Kosun Machinery Manufacturing Co., Ltd. (short for “Kosun”) is located in Xi’an China, one of four ancient capitals in the world, and is one of the earliest manufacturers in solids control equipment and separating machines in China. Kosunis a modern enterprise professionally engaged in R&D, production, marketing and services of drilling fluid circulating system for petroleum, natural gas, shale gas, coalbed methane and horizontal directional drilling. The solids control equipments supplied by KOSUN include shale shaker, shale shaker screen, decanter centrifuge, desander, desilter, vacuum degasser, centrifugal pump, submersible slurry pump, shear pump,mud agitator, mud gun, drilling fluid mud cleaner, jet mud mixer, mud tank, diesel tank, water tank, etc.