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DONGYING, China, Sept. 2, 2014 /PRNewswire/ -- The service of nitrogen production and injection is a measure for an oilfield to increase its production. In Tahe Oilfield, which is located in Xinjiang, China, Kerui Petroleum Equipment Co., Ltd. (hereinafter referred to as "Kerui"), chinese leader of global oilfields comprehensive solution, has achieved another success. Now its overall success rate of nitrogen injection for production improvement is more than 95% and its cumulative production increment is 100,000 tons.
According to the features of vuggy carbonate reservoirs at deep layers in Tahe Oilfield, Kerui has adopted its self-developed three-time oil recovery technique based on injection of nitrogen into vuggy reservoirs, and completed the operation of air injection for 115 wells. In operation, while successfully overcoming the challenge of nitrogen injection for wells with the depth of over 7,000 meters, Kerui, again, verified the high quality and high efficiency of the nitrogen production equipment with an output pressure of 70 MPa, which was independently developed and manufactured by Kerui oilfield services.
A person concerned about Kerui oilfield services said, "Kerui's membrane separation technique for nitrogen production is one of the core techniques of Kerui oilfield services. Up to the present, Kerui has successfully applied for over ten inventions and new applied patents based on this technique. As the largest nitrogen production equipment manufacturer and service provider, and with more than 60 teams to provide nitrogen production engineering services, Kerui has provided various technical services, which are customized for nitrogen production, to CNPC, Sinopec, CNOOC and other oil giants in China.
Now, Kerui's share in Chinese nitrogen production market is 65%." In recent years, Kerui has made great achievements in expansion of its overseas business. Other than South American and Russian markets, the Middle East, the focused area of oil and gas development by global companies, has opened its door for Kerui. As a Chinese leader of global oilfields comprehensive solution, Kerui works hard to make technical innovations and to improve its technical capacity and strives to create constant value and high-level services for its customers, by upholding the principle of "customer first and market oriented".