Lithologic Reservoirs ›› 2009, Vol. 21 ›› Issue (4): 69-72.doi: 10.3969/j.issn.1673-8926.2009.04.013

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The experimental application of large well interval cross-well seismic technique in Shu 68 area of Liaohe Oilfield

DONG Shi-tai，ZHANG Lixin，XU Guangcheng，SUN Rong   

  1. 1. Research Institute of Petroleum Exploration & Development of PetroChina， Beijing 100083， China； 2. Greatwall Drilling Company， CNPC， Beijing 100101， China
  • Online:2009-12-16 Published:2009-12-16

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Abstract:

The large well interval cross-well seismic techniquewas carried out in Shu 68 area ofLiaohe Oilfield. The spatial location of sand-shale alternating beds, the connection ofmain reservoir and the distribution of fluids were achieved by P-wave and S-wave tomography and reflection migration imaging fromcross-well data. The commercial oil flows were got from three wells based on integrated geological study of cross-well seismic technique. This was the first time that the well interval ofcross-well seismic technique was lager than 800m,which improved the cross-well technique application very much.

Key words: diagenesis, porosity evolution, Xujiahe Formation, Sichuan Basin

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