Yuan Bo, Tu Dong, Du Linhui, Jiang Lei, Wang Leilei. Research of fractured sucker rod in heavy oil of Tahe Oilfield and countermeasures[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2014, 36(s1): 135-138. doi: 10.11781/sysydz2014S1135
Citation: Yuan Bo, Tu Dong, Du Linhui, Jiang Lei, Wang Leilei. Research of fractured sucker rod in heavy oil of Tahe Oilfield and countermeasures[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2014, 36(s1): 135-138. doi: 10.11781/sysydz2014S1135

Research of fractured sucker rod in heavy oil of Tahe Oilfield and countermeasures

doi: 10.11781/sysydz2014S1135
  • Received Date: 2014-10-08
  • Rev Recd Date: 2014-11-20
  • Publish Date: 2014-12-28
  • Through the comprehensive analyses of the rod fracture situation, the diagram of load monitoring, the rod stress evaluation, the fractured sucker rod corrosion and the abnormal situation before broken, combined with the failure analysis report of fractured rod, the main influencing factors of sucker rod fracture mainly include high load, high alternating load and corrosion of hydrogen sulfide and injection gas. The reasonable choice of pump and pump depth, the optimization of rod string design, the strict production control and the reasonable optimization of pumping rod can effectively reduce the probability of sucker rod fracture.

     

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