China oil network news in October 4th, Qinghai oilfield Huatugou news line, then the Lion Ditch a month 210 wells successful production, Nissan 1014.3 tons of oil and 91 thousand and 356 cubic meters of natural gas, with high pressure, high yield of tons of force to the Republic of 68 year old birthday gift.
Lion 210 well is located in the Qaidam Basin hero ridge southwest belt lion 52 well area, from Lion 52 well 800 meters. July 13th drill to 4690.6 meters overflow, with 12 mm nozzle test halfway, release 19 hours, producing 686.1 tons of oil. In July 19th, with 16 mm nozzle for production, Nissan oil 364.1 tons, 28 thousand cubic meters of natural gas, 40 days cumulative oil production of over 16 thousand tons. The success of the lion 210 drill marks the high production of 3 exploratory wells deployed in the southwest of Qinghai this year. However, at the end of August, the well annulus and pipe plugging unflowing.
In September 15th, Qinghai oilfield under the unified arrangements by an integration project department, Department of exploration, downhole operation company and three production plant, West Qinghai drilling company drilling unit 17 days of continuous fighting, successfully replaced the packer, the lifting of the well control risk, establish the wellhead, solve the pipe sticking the problem. In October 2nd, the well coiled tubing to 4638 meters and the acid solution after October 3rd 8, with 9 mm nozzle spray, oil pressure of 50 MPa, to October 4th 8 oil 1014.3 tons, 91 thousand and 300 cubic meters of natural gas, stable output pressure.
Lion 210 well, high pressure, high temperature and high yield, safety and environmental protection, great risk. In the face of world problems, Qinghai oilfield developed a detailed construction plans, equipped with professional construction work force, to achieve the established goals of production and stable yield of early success.
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