Xinjiang Petroleum Geology ›› 1993, Vol. 14 ›› Issue (1): 78-85.

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FORMATION DAMAGE CAUSED BY DRILLING AND PERFORATION

Zeng Yiming   

  1. Logging Company of Xinjiang Petroleum Administration Bureau, Karamay 834000
  • Received:1992-03-30 Online:1993-03-01 Published:2020-08-06

Abstract: Formation damage caused by drilling and perforation is a major factor that reduces rcservoir productivity. Some results on this subject achieved abroad in recent years are summarized in this papar.

Key words: Drilling, Perforation, Formation damage, Core flow efficiency, Well flow effieiency, Perforation density, Perforation depth