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Edition and Publication:
< Natural Gas and Oil > Editorial Department
Hosted by:
China Petroleum Engineering & Construction Corporation Southwest Company
Authorized by:
China Petroleum Engineering & Construction Corporation
Co-hosted by:
Overseas Research Center of Research Institute of Petroleum Exploration and Development
Editor in Chief:
Du Tonglin
Vice Editor in Chief:
Tang Xiaoyong,Pu Liming
Address:
No.6, Shenghua Road, High-tech District, Chengdu, Sichuan, China
Postal Code:
610041
Tel:
028-86014709
028-86014500
Email:
cnpc-ngo@cnpc.com.cn
Issue:ISSN 1006-5539
CN 51-1183/TE

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Research and Application of Effective Development for Extra-Low Permeability Reservoir in HZ Oil Field After Fracture

Author of the article:Wang Lei

Author's Workplace：Exploration and Development Research Institute of Jiangsu Oilfield Company, Sinopec

Key Words：Extra-low permeability reservoir; Timing of water injection; Cyclic water flooding; Gas injection development

Abstract：To solve the issues such as lower natural productivity, faster production decline, failure to achieve economical-effective development via conventional production methods represented by the development of extra-low permeability reservoirs in HZ oil field, field development test, combining with numerical simulation, is carried out to for comprehensive study from proper timing of water injection, cyclic water flooding, gas injection etc. It is confirmed that the proper timing for water injection is 6 months in advance and the method for cyclic water flooding is asymmetric types featured by short injection and long suspension. The method for effective development of reservoir with poor water injection performance shall be gas injection. Achievements have been made from field practice, which provides technical guidance for the economical-effective development of extra-low permeability reservoir in this area.