| Approximately-Balanced Drilling in Daqing Oilfield |
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| 作者姓名： | XiaBairu ZhengXiuhua LiGuoqing TianTuo |
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| 作者单位： | [1]SchoolofEngineering＆Technology,ChinaUniversityofGeosciences,Beijing100083,China [2]DaqingPetroleumAdministrationBureau,Daqing163001,China |
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| 摘 要： | The Daqing oilfield is a multilayered heterogeneous oil field where the pressure are different in the same vertical profile causing many troubles to the adjustment well drillings. The approximatelybalanced drilling technique has been developed and proved to be efficient and successful in Daqing oilfield. This paper discusses the application of approximately-balanced drilling technique under the condition of multilayered pressure in Daqing oilfield, including the prediction of fornmtion pressure, the pressure discharge technique for the drilling well and the control of the density of drilling fluid.
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| 关 键 词： | 大庆油田 剖面 电压 蓄水层 密度 |
Approximately-Balanced Drilling in Daqing Oilfield |
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| XiaBairu ZhengXiuhua LiGuoqing TianTuo.Approximately-Balanced Drilling in Daqing Oilfield[J].Journal of China University of Geosciences,2004,15(1):128-132. |
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| Authors: | Xia Bairu Zheng Xiuhua Li Guoqing Tian Tuo |
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| Abstract: | The Daqing oilfield is a multilayered heterogeneous oil field where the pressure are different in the same vertical profile causing many troubles to the adjustment well drillings. The approximately-balanced drilling technique has been developed and proved to be efficient and successful in Daqing oilfield. This paper discusses the application of approximately-balanced drilling technique under the condition of multilayered pressure in Daqing oilfield, including the prediction of formation pressure, the pressure discharge technique for the drilling well and the control of the density of drilling fluid. |
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| Keywords: | approximately-balanced drilling pore pressure reasonable negative pressure value density of drilling fluid pressure discharge for drilling well |
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