润湿性对采收率及相对渗透率的影响

doi:10.11743/ogg20000214

Oil & Gas Geology ›› 2000, Vol. 21 ›› Issue (2): 148-150.doi: 10.11743/ogg20000214

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EFFECT OF WETTABILITY ON RECOVERY AND RELATIVE PERMEABILITY

Liu Zhongyun¹, Zhen Qinghui¹, Tang Zhouhuai², Zhang Gongshe³

1. Shengli Oilfields, Dongying Shandong;
2. Zhongyuan Oilfields, Puyang, Henan;
3. Jianghan Petroleum Institute, Jingzhou, Hubei

Received:2000-03-20 Online:2000-06-25 Published:2012-01-16

Abstract

Abstract:

The effect of wettability on recovery and relative permeability by waterflood test and the method of controlling rock wettability by aging crude oil are studied in this paper.The results show that waterflood recovery of weak water-wet rock is the highest;the oil relative permeability of water-wet rock is higher than that of oil-wet rock;the adsorption of heavy polar materials in crude oil can effect the wettability of rock surface and oil-wet may be ehanced with the increase of aging time.

Key words: wettability, waterflood recovery, relative permeability, aging time

CLC Number:

TE312

Liu Zhongyun, Zhen Qinghui, Tang Zhouhuai, Zhang Gongshe. EFFECT OF WETTABILITY ON RECOVERY AND RELATIVE PERMEABILITY[J]. Oil & Gas Geology, 2000, 21(2): 148-150.

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EFFECT OF WETTABILITY ON RECOVERY AND RELATIVE PERMEABILITY

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