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Liu L.,Well Completion Management Center | Meng T.,Well Completion Management Center | Yang H.,Well Completion Management Center | Zhao Z.-H.,Well Completion Management Center | Li H.-H.,Well Completion Management Center
Well Testing | Year: 2015

For well completion of carbonate ultra-deep and sidetracking horizontal well, open hole processing is an important step. According to problems of no pertinence for general process of drifting, poorer reliability for open hole of bit processing, and the lack of control points during process, factors of the dog legs at open hole section, the through un-objective interval at open hole section, and the en-largement ratio and angle are analyzed, the drift and drifting string design are optimized, a set of evaluation index of the well has been established to increase the success rate in the open hole completion and success rate of open hole tool into a well.14 well times are applied in 2014, the actual effect of single well improves to 67.58 h, and the cumulative saves 946.12 h of completion time. © 2015, Well Testing. All right reserved. Source

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