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Research on Production Pattern Optimization of Intermittent Wels

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Chemistry and Technology of Fuels and Oils Aims and scope

The study is focused on tight sandstone gas reservoirs with poor physical properties. The Sulige gas field is considered as an example gas reservoir: As the number of low-productivity and low-efficiency wells increases every year, the intermittent production scheme provides a way to maintain the stable production of those wells. However, the existing differences in the classification of intermittent wells and the production pattern are not conducive to the standardized management of gas wells. Therefore, according to the geological characteristics of intermittent wells, as well as the production performance, the intermittent wells were classified into three types: natural decline type (ND), poor reservoir physical property type (PRPP), and liquid loading type (LL). Furthermore, the charts of optimal shut-in time for different types of intermittent wells were established by analyzing the relationships between the shut-in time, the pressure recovery degree, and the gas productivity growth rate. Finally, according to the optimal shut-in time chart, the research results reveal the reasonable and optimal shut-in time in a well, providing the way to the production pattern optimization of the intermittent wells in the Sulige gas field.

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Authors and Affiliations

  1. College of Energy, Chengdu University of Technology, Chengdu, 610059, China

    Hao Wang

  2. Gas Field Development Department of Changqing Oilfield Branch (Gas Field Development Department), **’an, 710018, China

    Zheng Wu, Tiezhu Tang, Qi Li, Suobao **, Yanyan Sun, Hao Liu & **aomin Xue

Authors
  1. Hao Wang
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  2. Zheng Wu
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  3. Tiezhu Tang
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  4. Qi Li
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  5. Suobao **
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  6. Yanyan Sun
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  7. Hao Liu
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  8. **aomin Xue
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Correspondence to Hao Wang.

Additional information

Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 1, pp. 80 — 84, January — February, 2021.

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Wang, H., Wu, Z., Tang, T. et al. Research on Production Pattern Optimization of Intermittent Wels. Chem Technol Fuels Oils 57, 133–142 (2021). https://doi.org/10.1007/s10553-021-01233-y

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