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《Fault-Block Oil & Gas Field》 2018-03
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Application of cementing and gravel packing sand control integrated technology to sidetracked horizontal well:taking Caofeidian 11-2 Oilfield as an example

HAN Yaotu;LIU Peng;LIN Jiayu;WANG Xiaopeng;JIA Lixin;Tianjin Branch of CNOOC Ltd.;  
Sidetracking of old well is an important means of low efficiency well management and tapping the potential and stimulation in matured wells in Bohai Oilfield. However, it is faced with complex process, time-consuming and high-cost. A new type of cementing and gravel-packing sand control integrated technology suitable for offshore oilfields was developed based on the characteristics of offshore oilfields, e.g. complex formation, serious sand production and high daily operation cost. The field experiment was conducted in Caofeidian 11-2 Oilfield. The experiment shows that this technique can be used to complete the gravel packing and cementing operation with the reliable tools, simple process and efficient operation, and the effect of reducing the cost is remarkable. It lays an important foundation for reconstruction of old well to tap the remaining oil and improving the economic development benefit of Bohai Oilfield.
【Fund】: 中海石油(中国)有限公司科技项目“绥中36-1油田短半径侧钻钻完井关键技术研究”(YXKY-2015-TJ-04)
【CateGory Index】: TE52
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