Oil Replacement by the Combination of Enzyne and Rhamnolipid Fermentation Liquor

doi:10.3863/j.issn.1000-2634.2008.01.033

西南石油大学学报(自然科学版) ›› 2008, Vol. 30 ›› Issue (1): 119-121.DOI: 10.3863/j.issn.1000-2634.2008.01.033

• 油气化学工程与化工 • Previous Articles Next Articles

Oil Replacement by the Combination of Enzyne and Rhamnolipid Fermentation Liquor

ZHAO Li¹ SUN Yang² JIN Yan-fang¹ SHEN Yu-jiang¹WANG Fang¹

1.Victex Extracts Oil Engineering Institute of Technology,Daqing Heilongjiang 163411,China;2.Daqing Petroleum Institute,Daqing Heilongjiang 163411,China

Received:2007-04-14 Revised:1900-01-01 Online:2008-02-20 Published:2008-02-20
Contact: ZHAO Li

Abstract

Abstract: Aiming at the technological problem that enzyme does not improve water absorbent index in the oil replacement in high permeability reservoirs,by means of simulating formation oil recovery,replacement and interface tension experiment,as well as the mechanism of replacement adjustment of marcromolecule micellar in rhamnolipid fermentation liquor,the combination agent of enzyme and rhamnolipid fermentation liquor of concentration 0.8% is applied to replace oil,the recovery rate is obtained and the curves of water cut,pressure and recovery rate in different phases are analyzed.Through the comparison of interface tension and the effect of oil replacement,it is shown that combination replacement of rhamnolipid fermentation liquor and enzyme matches well,and apparently improves recovery of high permeability reservoirs.

Key words: Rhamnolipid, oil recovery, enzyme, interfacial tension, curve

CLC Number:

TE357.46

ZHAO Li SUN Yang JIN Yan-fang SHEN Yu-jiang WANG Fang. Oil Replacement by the Combination of Enzyne and Rhamnolipid Fermentation Liquor[J]. 西南石油大学学报(自然科学版), 2008, 30(1): 119-121.

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Oil Replacement by the Combination of Enzyne and Rhamnolipid Fermentation Liquor

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