Lithologic Reservoirs ›› 2018, Vol. 30 ›› Issue (3): 1-11.doi: 10.12108/yxyqc.20180301

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Volume fracturing technology for horizontal well and its application

JIANG Tingxue1,2, WANG Haitao1,2, BIAN Xiaobing1,2, LI Hongchun1,2, LIU Jiankun1,2, WU Chunfang1,2, ZHOU Linbo1,2   

  1. 1. State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Effective Development, Beijing 100101, China;
    2. Sinopec Research Institute of Petroleum Engineering, Beijing 100101, China
  • Received:2017-11-18 Revised:2018-02-18 Online:2018-05-21 Published:2018-05-21

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Abstract: The volume fracturing for horizontal well is the key technology for effective exploitation of low permeability tight reservoir. The significant progress has been made in the area of deep and ultra-deep carbonate reservoir,tight sandstone and shale reservoir etc. The research work on description of fracture initiation and propagation, optimization of fracture parameters, optimization of perforation parameters, multi-scales fracturing optimization,staged fracturing tool,low damage fracturing and acid fluids system, synchronous gel breaking and flow back optimizing and fracture monitoring and diagnosing have been carried out. The formation stimulation technical chain with proprietary intellectual property rights has been established,including comprehensive assessment of formation,numerical reservoir simulation,optimum design method of hydraulic fracturing,efficient fracturing and acid fluids system,staged fracturing tool and fracture monitoring and diagnosing and flow back control etc. The latest progress of horizontal well fracturing technic and field applications in SINOPEC were summarized, which have been tested and generalized in tight sandstone gas reservoir in Ordos in North China, ultra-deep reservoir in Tahe Xinjiang and deep shale gas reservoir in Sichuan Basin. The effective stimulation reservoir volume and enhanced production of the low permeability reservoir above were significantly improved. These latest technics are important reference and guidance for the formation stimulation and enhancement work of similar domestic reservoirs.

Key words: low permeability reservoir, horizontal well, volume fracturing, efficient fracture

CLC Number: 

  • TE357.1
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