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Article Navigation >  PETROLEUM GEOLOGY & EXPERIMENT  > 2014  >  36(4): 422-428
Shi Yuanyuan, Hong Caijun, Fang Xiaolu, Zhou Fangfang. Sedimentary reservoir characteristics of sandstone team Ⅱ of Suweiyi Formation in Kudong-Luntai area, Tarim Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2014, 36(4): 422-428. doi: 10.11781/sysydz201404422
Citation: Shi Yuanyuan, Hong Caijun, Fang Xiaolu, Zhou Fangfang. Sedimentary reservoir characteristics of sandstone team Ⅱ of Suweiyi Formation in Kudong-Luntai area, Tarim Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2014, 36(4): 422-428. doi: 10.11781/sysydz201404422
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Sedimentary reservoir characteristics of sandstone team Ⅱ of Suweiyi Formation in Kudong-Luntai area, Tarim Basin

doi: 10.11781/sysydz201404422

  • Exploration & Production Research Institute of SINOPEC Northwest Oilfield Company, Urumqi, Xinjiang 830011, China

  • Received Date: 2014-04-02
  • Rev Recd Date: 2014-06-27
  • Publish Date: 2014-07-28
    Abstract
  • Based on drilling, logging, seismic and testing data, combined with sandstone comparison and seismic attribution technique, it was studied in this paper the sedimentary facies and reservoir features of the updip pinch-out sandstones in the sandstone team Ⅱ of the Suweiyi Formation in Kudong-Luntai area. The target formation, mainly of beach-bar facies, is consisted of brown-grey medium-or fine-grained lithic arkose, and is featured by wave-cross bedding, wave-generated ripple and bioturbation. The reservoir space comprises intergranular porosity, emposieu and fractures. In general, the reservoir is of low/ultra-low porosity and low permeability, high displacement pressure, small pore throat radius, general sorting, mainly fine skewness and partially coarse skewness.The pore structures are generally poor, but the microfractures improve reservoir storage capability. Several updip pinch-out lithologic traps have been found in the study area, showing good exploration potentials in the Suweiyi Formation.

     

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