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< Natural Gas and Oil > Editorial Department
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China Petroleum Engineering & Construction Corporation
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Overseas Research Center of Research Institute of Petroleum Exploration and Development
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Du Tonglin
Vice Editor in Chief:
Tang Xiaoyong,Pu Liming
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Issue:ISSN 1006-5539
          CN 51-1183/TE

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    Your Position ：Home->Past Journals Catalog->2012 Vol.6

    Research and Application of Low Permeability and Thin Interbed Fracturing Technology
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    Key Words： Low permeability； Thin interbed reservoir； Fracturing transformation； Point perforation； High conductivity； Field application
    Abstract： Low permeability thin interbedded reservoir has such characteristics as poor reservoir property， thin effective thickness and developed natural fractures and fracturing reconstruction is an important means for putting into production and production increase of such reservoir. However， conventional centralized perforation and large displacement fracturing modification may easily result in serious fracture interzone and small displacement construction may result in undesirable effects. Therefore， it is necessary to study fracturing technologies suitable for low permeability thin interbedding reservoir. After analyzing difficulties in low permeability thin interbedded reservoir fracturing reconstruction， the point perforation fracturing technology is selected for such fracturing reconstruction. At the same time， used are high sand ratios and combined grain size proppant to hold long-term high conductivity ability of fractures and combined are control of fracture height growth and fluid loss process to form a comprehensive technology for efficient thin interbed fracturing reconstruction. This comprehensive technology has been successfully applied in LW well and oil output of 14.3t/d after transformation is much more than 6.7t/d of the adjacent well in which conventional fracturing process was applied， which shows that the comprehensive technology has remarkable production increase effect.
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