石油二次运移不同模式条件下含油饱和度测量

doi:10.11743/ogg20080418

Abstract

Abstract:

There are three modes of secondary oil migration,including stable displacement mode,fingering mode, and spring mode.In order to observe the changing patterns of oil saturation,residual oil saturation,and the ratio of residual oil volume to pathway space under these three migration modes,glass cylinder systems with mediums of different materials and different grain sizes packed with wet-packing method were used to carry out experiments with buoyancy as the only driving force or pumping pressure and buoyancy as the combined driving force. The results show that the oil saturation of the migration pathway and the ratio of residual oil volume to inner space of cylinder vary greatly under different migration modes,while the residual oil saturation remains almost the same.

Key words: oil saturation, residual oil saturation, migration mode, secondary migration, simulation experiment

CLC Number:

TE122.1

Hou Ping, Luo Xiaorong, Fan Changjiang, Zhou Bo. An experimental study of oil saturation in different secondary migration modes[J]. Oil & Gas Geology, 2008, 29(4): 533-536.

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An experimental study of oil saturation in different secondary migration modes

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