PROBE INTO EVALUATION METHODS FOR STRESS SENSITIVITY OF LOW PERMEABILITY RESERVOIRS

doi:10.3863/j.issn.1000-2634.2008.05.039

西南石油大学学报(自然科学版) ›› 2008, Vol. 30 ›› Issue (5): 161-164.DOI: 10.3863/j.issn.1000-2634.2008.05.039

• 探讨与争鸣 • Previous Articles

PROBE INTO EVALUATION METHODS FOR STRESS SENSITIVITY OF LOW PERMEABILITY RESERVOIRS

LUO Rui-lan¹FENG Jin-de²TANG Ming-long³XIAO Xiang-jiao³YANG Jian-ping³

1.Research Institute of Petroleum Exploration & Development Langfang,Langfang Hebei 065007,China;2.Research Institute of Petroleum Exploration & Development,Beijing 100083,China;3.Research Institute of Exploration and Exploitation,PetroChina Tarim Oilfield Company,Korla Xinjiang 841000,China.

Received:1900-01-01 Revised:1900-01-01 Online:2008-10-20 Published:2008-10-20

Abstract

Abstract: Stress sensitivity Evaluation is important to formation damage control and determination of reasonable well productivity,especially for low permeability reservoirs,currently,there are much argument on evaluation methods and standards of stress sensitivity in China.By research of foreign and domestic standards,the disadvantages of domestic industrial standard and the limitation of permeability modulus used in theoretical research are discussed.Based on analysis of plenty of experimental data,a new stress sensitive index is defined,with which,the relationship of initial permeability and effective stress can be expressed conveniently,which is significant to productivity evaluation of oil & gas well and establishment of model of flow through porous media for low permeability reservoirs.

Key words: low permeability reservoir, stress sensitivity, evaluation method, permeability modulus

CLC Number:

TE122.2

LUO Rui-lan FENG Jin-de TANG Ming-long XIAO Xiang-jiao YANG Jian-ping . PROBE INTO EVALUATION METHODS FOR STRESS SENSITIVITY OF LOW PERMEABILITY RESERVOIRS [J]. 西南石油大学学报(自然科学版), 2008, 30(5): 161-164.

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PROBE INTO EVALUATION METHODS FOR STRESS SENSITIVITY OF LOW PERMEABILITY RESERVOIRS

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