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Article Navigation >  PETROLEUM GEOLOGY & EXPERIMENT  > 1996  >  18(4): 371-376
Zhang Shangfeng, Luo Chuanrong, Xiao Chuantao. FALSE CAP ROCK OVER THE OIL AND CAS ACCUMULATION OF THE CARBONIFEROUS DONGHE SANDSTONE IN THE UPWELLINC AREAS OF THE MID-TARIM BASIN[J]. PETROLEUM GEOLOGY & EXPERIMENT, 1996, 18(4): 371-376. doi: 10.11781/sysydz199604371
Citation: Zhang Shangfeng, Luo Chuanrong, Xiao Chuantao. FALSE CAP ROCK OVER THE OIL AND CAS ACCUMULATION OF THE CARBONIFEROUS DONGHE SANDSTONE IN THE UPWELLINC AREAS OF THE MID-TARIM BASIN[J]. PETROLEUM GEOLOGY & EXPERIMENT, 1996, 18(4): 371-376. doi: 10.11781/sysydz199604371
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FALSE CAP ROCK OVER THE OIL AND CAS ACCUMULATION OF THE CARBONIFEROUS DONGHE SANDSTONE IN THE UPWELLINC AREAS OF THE MID-TARIM BASIN

doi: 10.11781/sysydz199604371

  • Jianghan Petroleum College, Jingsha City, Hubei 434102

  • Received Date: 1995-06-01
  • Publish Date: 1996-10-25
    Abstract
  • The oil and gas accumulation of the Carboniferous Donghe sandstone in the upwelling areas of the Mid-Tarim Basin is a structural trap accompanying with stratigraphic control factors.The analysis on well and test data appears that petroleum in the accumulation of Donghe sandstone seemingly has not filled to structural spillpoint in wells 10,16 and 20 in field of the Mid-Tarim Basin.The sedimentary factes in gravel-bearing sandstone member over Donghe sandstone vary dramatically and their porosity changes between good and bad.Mercury-injection data show that in the porosity-worsening areas of the member,oil and gas accumulation plays an insulating membrane-typed plugging part to Donghe sandstone,belongs to transitional bed betweeen mudstone member(cap rock)and sandstone member(reservoir)and is called "false cap rock".

     

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    • References(3)
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    邸世祥.碎屑岩储集层研究.含油气盆地地质学研究进展,西安:西北大学出版社,1992
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    watts N L.Theoretical aspects of cap-rock and fault seals for single and two-phase hydrocarbon columns.Marine and Petroleum Geology,1987,4(4):247-307
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    Boult PJ.澳大利亚埃罗芒阿盆地博达拉南油田的隔膜封堵和三次运移通道,国外油气勘探,1994,6(4):46-56
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