Petroleum Exploration and Development >

2022 , Vol. 49 >Issue 1: 191 - 199

DOI: https://doi.org/10.1016/S1876-3804(22)60015-6

Progress and prospects of horizontal well fracturing technology for shale oil and gas reservoirs

  • Qun LEI ,
  • Yun XU ,
  • Bo CAI ,
  • Baoshan GUAN ,
  • Xin WANG ,
  • Guoqiang BI ,
  • Hui LI ,
  • Shuai LI ,
  • Bin DING ,
  • Haifeng FU ,
  • Zheng TONG ,
  • Tao LI ,
  • Haoyu ZHANG
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  • 1. Research Institute of Petroleum Exploration & Development, PetroChina, Beijing 100083, China
    2. CNPC Key Laboratory of Oil & Gas Reservoir Stimulation, Langfang 065007, China

Received date: 2021-05-11

  Revised date: 2021-11-04

  Online published: 2022-03-04

Supported by

National Science and Technology Major Project(2016ZX05023)

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Abstract

By systematically summarizing horizontal well fracturing technology abroad for shale oil and gas reservoirs since the “13th Five-Year Plan”, this article elaborates new horizontal well fracturing features in 3D development of stacked shale reservoirs, small well spacing and dense well pattern, horizontal well re-fracturing, fracturing parameters optimization and cost control. In light of requirements on horizontal well fracturing technology in China, we have summarized the technological progress in simulation of multi-fracture propagation, horizontal well frac-design, electric-drive fracturing equipment, soluble tools and low-cost downhole materials and factory-like operation. On this basis, combined with the demand analysis of horizontal well fracturing technology in the “14th Five-Year Plan” for unconventional shale oil and gas, we suggest strengthening the research and development in the following 7 aspects: (1) geology-engineering integration; (2) basic theory and design optimization of fracturing for shale oil and gas reservoirs; (3) development of high-power electric-drive fracturing equipment; (4) fracturing tool and supporting equipment for long horizontal section; (5) horizontal well flexible-sidetracking drilling technology for tapping remaining oil; (6) post-frac workover technology for long horizontal well; (7) intelligent fracturing technology.

Key words： shale oil and gas; horizontal well fracturing; fracturing equipment; fracturing parameter; three-dimensional development; intelligent fracturing

Cite this article

Qun LEI , Yun XU , Bo CAI , Baoshan GUAN , Xin WANG , Guoqiang BI , Hui LI , Shuai LI , Bin DING , Haifeng FU , Zheng TONG , Tao LI , Haoyu ZHANG . Progress and prospects of horizontal well fracturing technology for shale oil and gas reservoirs[J]. Petroleum Exploration and Development, 2022 , 49(1) : 191 -199 . DOI: 10.1016/S1876-3804(22)60015-6

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