Lithologic Reservoirs ›› 2012, Vol. 24 ›› Issue (4): 90-92.doi: 10.3969/j.issn.1673-8926.2012.04.01

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Application of geological modeling to geosteering in Sudan extended-reach horizontal wells

WANG Libin1， DUAN Xianyu1， ZHONG Wei2， LIU Xun1， LI Chunhua1   

  1. 1. Geology Institute， CNPC Greatwall Drilling Company Ltd.， Panjin 124010， China； 2. Drilling Technology Service Company， CNPC Greatwall Drilling Company Ltd.， Panjin 124010， China
  • Online:2012-08-20 Published:2012-08-20

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Abstract:

Palogue oilfield is a complex fault block reservoir under complex geological situation with complicated oilwater relationship. There is high geological risk while horizontal well was proposed in this oilfield. We applied threedimensional geological modelingmethod and conventional geosteering technique to solve this problemin Palogue oilfield in Sudan, and made full use of LWDdata to rebuild 3Dgeological model. The result shows that the veracity and efficiency were increased and high drilling footage was obtained by using this newgeosteering technology.

Key words: cyclic stratigraphy, sedimentary facies, meter-scale cycle, Milankovitch cycles, SongliaoBasin

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