西南石油大学学报(自然科学版) ›› 2009, Vol. 31 ›› Issue (5): 112-116.DOI: 10.3863/j.issn.1674-5086.2009.05.024

• 石油与天然气工程 • Previous Articles     Next Articles

RESEARCH ON BOTTOM WATER DRIVE IN CARBONATE MATRIX BLOCK

XU Ting1 ZHANG Xue-hong2 TAN Zhong-liang1 LUN Zeng-min1 LV Cheng-yuan1   

  1. 1．Petroleum Exploration & Production Research Institute，SINOPEC，Haidian Beijing 100083，China；2.Sichuan to East Natural Gas Transportation Pipeline Company Ltd.，SINOPEC，Yichang Hubei 443000，China
  • Received:1900-01-01 Revised:1900-01-01 Online:2009-10-20 Published:2009-10-20

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Abstract: The capillary flow equation of oil-wet carbonate rock block is set up，and the influence of block height，oil viscosity，rock surface wettability and the size of pore and throat on recovery under the condition of different bottom water drive rate is discussed.Block height influences recovery differently due to the different wet ability.To water-wet block，the lower the height is，the greater the recovery is，to oil-wet block，the higher the block height is，the greater the recovery is.As the increase of bottom water drive rate，water breaks through quickly along the big fractures.The factors influencing matrix block recovery can not change the fact that a large amount of remaining oil is left in the pore and throat space.

Key words: carbonate rock, matrix block, bottom water drive, flow equation, wettability

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