March 28, 6 technological achievements passed the drilling engineering companyof Xinjiang Uygur Autonomous Region science and technology achievementappraisal. Among them,the automaticvertical drilling system reached the international advanced level, while the remaining 5 items of scientific and technologicalachievements of the leading domestic level.
Automatic vertical drilling system for downhole power independently, deviationmeasurement, power transmitted without contact, a small initial errorautomatically compensates for lateral force, closed-loop control, vector control,well deviation data upload, playback feature more data stored in undergroundwells. Automatic vertical drilling systems in Xinjiang oilfield, Yumen oilfield, talimuoilfield applications successfully tested 12 wells, speed-up effect is remarkable.Negative pressure perforating technique research and application of dynamic,open hole completion of horizontal well fracturing technology research andapplication, and Changji dense oil drilling and completion technique andapplication of casing hole logging platform development and research andapplication of fracturing drainage technology with pressure 5 scientific researchand provides a new technique for oilfield development, high economic efficiency,social benefit.
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