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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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Orthogonal Optimization of Huff and Puff Injection Parameters of Offshore Heavy Oil Multiple Thermal Fluid

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Key Words：Orthogonal； Offshore heavy oil； Multiple thermal fluid huff and puff；?摇Injection parameters； Optimization

Abstract： In order to obtain good development effect of offshore heavy oil multiple thermal fluid huff and puff， it is necessary to optimize and adjust huff and puff injection-production parameters. At present， optimization method used commonly is single factor analysis， it is difficult to consider more factors and their interrelationship. In view of these shortages， used is orthogonal design test method to study effects of such five factors on multiple thermal fluid huff and puff recovery as injection temperature， speed， dryness， thermal strength and soak time. Range analysis results of multiple factors show that thermal injection strength is a remarkable factor affecting multiple thermal fluid huff and puff recovery， other ones have relatively less effect and if these factors are ranked according to their sensitivity， no. 1 shall be thermal injection strength， other ones shall be injection temperature， dryness， speed and soak time successively. Therefore， this method can provide theoretical guidance for reasonable optimization of multiple fluid huff and puff injection parameters.