FOAM STABILITY EVALUATION AND EXPERIMENT STUDY OF DIVERTING EFFECT

doi:10.3863/j.issn.1000-2634.2003.01.019

西南石油大学学报(自然科学版) ›› 2003, Vol. 25 ›› Issue (1): 65-66(7.DOI: 10.3863/j.issn.1000-2634.2003.01.019

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

FOAM STABILITY EVALUATION AND EXPERIMENT STUDY OF DIVERTING EFFECT

ZHONG Shuang-fei GOU Xin-jun

Southwest Petroleum Institute, Nanchong Sichuan 637001, China

Received:2002-04-28 Revised:1900-01-01 Online:2003-02-20 Published:2003-02-20
Contact: ZHONG Shuang-fei

Abstract

Abstract: A new approach to foam diverting acidizing has been put forward. The performance of foaming agent and foam stabilizer has been analyzed and some diverting effect experiments including foam temporary plugging effect experiment, cores with different permeability and diverting acidizing experiment simulating actual acidizing treatment have been conducted by using versatile acidizing diverting experimental rig. Results show that the
foam divert technique can divert effectively in the experiment when acidizing parallel cores, increase the acid intake of low permeability core, improve equably the final permeability of cores of different permeability and enhance acidizing effect.This technique can solve problems of even acid intake and even
removing plug in multi-zone reservoir with different permeability and do not need special separate method.

Key words: foam, stability, diverting effect, test

CLC Number:

TE39.1

ZHONG Shuang-fei GOU Xin-jun. FOAM STABILITY EVALUATION AND EXPERIMENT STUDY OF DIVERTING EFFECT[J]. 西南石油大学学报(自然科学版), 2003, 25(1): 65-66(7.

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FOAM STABILITY EVALUATION AND EXPERIMENT STUDY OF DIVERTING EFFECT

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