Petroleum Reservoir Evaluation and Development >

2022 , Vol. 12 >Issue 4: 633 - 642

DOI: https://doi.org/10.13809/j.cnki.cn32-1825/te.2022.04.011

Field Application

Applicability and mechanism of dual-tubing screen completion technology for Fukang Mining Area in Xinjiang

  • Long ZHANG ,
  • Yibing WANG ,
  • Bao’an XIAN ,
  • Yafei ZHANG ,
  • Zhanglong TAN ,
  • Tuersong HAERHENG ,
  • Hao SUN ,
  • Guan WANG ,
  • Jintao ZHANG
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  • 1. School of Resources and Environment, Henan Polytechnic University, Jiaozuo, Henan 454003, China
    2. Collaborative Innovation Center of Coal Work Safety and Clean High Efficiency Utilization, Jiaozuo, Henan 454003, China
    3. Henan International Joint Laboratory for Unconventional Energy Geology and Development, Jiaozuo, Henan 454003, China
    4. Research Center of Coalbed Methane/Gas Geology and Engineering, Henan Polytechnic University, Jiaozuo, Henan 454003, China
    5. Xinjiang Cleanseed New Energy Co., Ltd., Fukang, Xinjiang 831500, China
    6. China United Coalbed Methane Co., Ltd., Beijing 100016, China

Received date: 2022-05-30

  Online published: 2022-09-02

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Abstract

The coal reservoir in Fukang mining area of Xinjiang has different characteristics of large inclination angle, large thickness, multiple coal seams and complex structure, and the development progress of coalbed methane（CBM） in the mining area is slow. It is urgent to find a suitable integrated development technology for CBM geology engineering conditions to provide strong guidance for the development of CBM in Xinjiang. The dual-tubing screen completion technology integrates the completion and stimulation, and has promoted and applied more than 400 CBM horizontal wells in the Qinshui Basin. The dual-tubing screen completion technology has increased the production of CBM horizontal wells from four aspects, such as hydraulic impact, carrying pulverized coal, chemical gel breaking of drilling fluid, and stress permeation, so as to help the efficient development of CBM in Fukang mining area. Based on the technical characteristics of dual-tubing screen completion, the applicability and mechanism of this technology for the development of CBM in Fukang mining area is discussed from four advantages: reservoir coal body structure, reservoir permeability recovery, reservoir pore fracture expansion, and reservoir structure, and has guiding and reference significance for the efficient development of CBM under similar reservoir geological conditions in Xinjiang.

Key words： coalbed methane; Fukang mining area; dual-tubing; screen completion; adaptability study

Cite this article

Long ZHANG , Yibing WANG , Bao’an XIAN , Yafei ZHANG , Zhanglong TAN , Tuersong HAERHENG , Hao SUN , Guan WANG , Jintao ZHANG . Applicability and mechanism of dual-tubing screen completion technology for Fukang Mining Area in Xinjiang[J]. Petroleum Reservoir Evaluation and Development, 2022 , 12(4) : 633 -642 . DOI: 10.13809/j.cnki.cn32-1825/te.2022.04.011

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