Zhong Xiao, Zou Wei, Xie Jin. Development and application of well-hole sealing device for flowing-pumping integrated well completion[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2017, 39(S1): 134-136. doi: 10.11781/sysydz2017S1134
Citation: Zhong Xiao, Zou Wei, Xie Jin. Development and application of well-hole sealing device for flowing-pumping integrated well completion[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2017, 39(S1): 134-136. doi: 10.11781/sysydz2017S1134

Development and application of well-hole sealing device for flowing-pumping integrated well completion

doi: 10.11781/sysydz2017S1134
  • Received Date: 2017-09-09
  • Rev Recd Date: 2017-09-27
  • Publish Date: 2017-11-15
  • Flowing-pumping integrated wellhead were adopted in some wells in the Tahe oil field so as to reduce production cost and pumping operation when self-flowing wells turned to pumping during the late production period. However, there exist well control risks. A new well-hole sealing device for flowing-pumping integrated well completion was innovated to enhance the pressure resistivity and reliability of wellhead. It saved costs for emergent well killing and wellhead replacement when overpressure occurred.

     

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