Yang Jinyuan, Deng Xingde, Pan Weiguo, Geng Baohe. DEEP WELL SIDETRACKED TECHNOLOGY OF YAKEN-3 WELL[J]. Oil Drilling & Production Technology, 1996, 18(3): 27-31. DOI: 10.3969/j.issn.1000-7393.1996.03.005
Citation: Yang Jinyuan, Deng Xingde, Pan Weiguo, Geng Baohe. DEEP WELL SIDETRACKED TECHNOLOGY OF YAKEN-3 WELL[J]. Oil Drilling & Production Technology, 1996, 18(3): 27-31. DOI: 10.3969/j.issn.1000-7393.1996.03.005
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DEEP WELL SIDETRACKED TECHNOLOGY OF YAKEN-3 WELL

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  • Design depth of Yaken-3,in North Talimu,is 6200 meters,while drilling to 5546.33 meters,the strick is happened in salt.The drill collar is broken in treating.So the sidetracked is started.The first sidetracked is failure because of downhole motor.The second kop is selected in 51 00 meters.Under deep well,high temperature(112℃),high pressure(drilling fluid density is 1.74g/cm3),poor drillability,it is successful to sidetracked using downhole motor and SST tool.It is successful to send the177.8mm liner to 5658.73 meters.
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