Lithologic Reservoirs ›› 2017, Vol. 29 ›› Issue (1): 130-134.doi: 10.3969/j.issn.1673-8926.2017.01.017

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Fracturing technology of Chang 6 tight sandstone reservoir in Ordos Basin

HAN Jingjing1, LIU Jian2, WU Long1   

  1. 1. Drilling and Production Technology Research Institute, CNPC Chuanqing Drilling Engineering Company Limited, Xi'an 710021, China;
    2. Research Institute of Exploration and Development, PetroChina Changqing Oilfield Company, Xi'an 710021, China
  • Received:2016-01-20 Revised:2016-03-18 Online:2017-01-21 Published:2017-01-21

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Abstract: In order to improve single-well production, simplify workflow and reduce costs, through the analysis of the geological conditions of the tight sandstone reservoir in S area,combined with the foreign experience of successful development of tight oil, it is considered that the reservoir has the characteristics of poor reservoir properties, well developed fractures and high brittleness index, and volume fracturing reconstruction with large displacement, large volume and low sand ratio is suitable for the study area. The thickened water fracturing fluid system has the characteristics of high sand carrying capacity, low wellbore friction, simple liquid preparation and low comprehensive cost. The thickened water fracturing fluid system was used in 22 wells, and good results have been achieved. A set of matching technology was formed for tight sandstone reservoir fracturing in Ordos Basin, which could effectively increase the production and has a good value of application.

CLC Number: 

  • TE122.3
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