Lithologic Reservoirs ›› 2008, Vol. 20 ›› Issue (4): 123-127.doi: 10.3969/j.issn.1673-8926.2008.04.023

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Numerical simulation of large-scale fracturing low permeability reservoirs in Jing’an Oilfield

WU Xinwei，LI Huaijie   

  1. No. 3 Oil Production Plant， Changqing Oilfield Company， PetroChina， Changqing 710021， China
  • Online:2008-12-15 Published:2008-12-15

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Abstract:

Aimed at the characteristics of the low permeability reservoirs in Wuliwan area in Jing’an Oilfield of Ordos Basin, the reservoir permeability around the well bottom hole is reasonably adjusted on the basis of well test data and the equivalent percolation resistance law. According to the equivalent connectivity factor method, the fractures produced by the hydraulic fracturing measure are simulated by using interwell communication correction technique and local grid refinement technique. The production technology policies about different production rates and different ratios between injections and productions are studied, and reasonable production technology policies are designed, which provides guidance to the oilfield development.

Key words: volcanic rocks, oil-gas exploration, Carboniferous, Chepaizi area, Junggar Basin

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