Lithologic Reservoirs ›› 2010, Vol. 22 ›› Issue (Z1): 10-13.doi: 10.3969/j.issn.1673-8926.2010.Z1.003

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Study on lithologic reservoir description method of Gutao Formation： A case study from Laohekou Oilfield

PANG Limin， ZHANG Xuefang， SONG Yanfang   

  1. Geophysical Research Institute， Shengli Oilfield Company， Sinopec， Dongying 257100， China
  • Online:2010-12-15 Published:2010-12-15

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Abstract:

The Laohekou Oilfield is a type of subtle lithologic reservoir found at a single gentle anticline, where the strata are flat and the fault is few. Based on high quality of seismic data, the method of signal reconfiguration in wavelet domain is used to analyze the petrophysics and forward model characteristics of fluvial facies reservoir in isochronous stratigraphic framework. The time slice technique and 3D visualization technique are applied to carry out sand body trace and interpretation. According to absorption coefficient features of sand body, the post-stack seismic data are used to conduct oil and gas identification. A set ofmethods for lithologic reservoir description ofGuantao Formation is concluded.

Key words: volcanic rocks, Carboniferous, Zhongguai-Wuba area, Junggar Basin

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