Volume 30 Issue 3
Jun.  2024
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Article Navigation >  Journal of Geomechanics  > 2024  >  30(3): 419-426
HU C Y，LI C，YANG Z B，et al.，2024. Quantitative evaluation of maximum operating pressure and storage capacity for gas-top sandstone reservoir-type gas storage[J]. Journal of Geomechanics，30（3）：419−426 doi: 10.12090/j.issn.1006-6616.2023075
Citation: HU C Y，LI C，YANG Z B，et al.，2024. Quantitative evaluation of maximum operating pressure and storage capacity for gas-top sandstone reservoir-type gas storage[J]. Journal of Geomechanics，30（3）：419−426 doi: 10.12090/j.issn.1006-6616.2023075
shu

Quantitative evaluation of maximum operating pressure and storage capacity for gas-top sandstone reservoir-type gas storage

doi: 10.12090/j.issn.1006-6616.2023075
  • 1.

    Jidong Oilfield Company, PetroChina, Tangshan 063000, Hebei, China

  • 2.

    Northeast Petroleum University, Qinhuangdao 066000, Hebei, China

  • 3.

    Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, China

  • 4.

    Engineering Technology Innovation Center of In-situ Stress, Ministry of Natural Resources, Beijing 100081, China

Funds:  This research is financially supported by the Key Science and Technology Research Project of the China National Petroleum Exploration and Production Corporation (Grant No. 2022ZS0903) and the National Natural Science Foundation of China (Grant No. 42174122).
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    Abstract
  •   Objective  The maximum operating pressure for underground gas storage facilities designed for oil and gas reservoirs, both constructed and under construction in China, is currently set at the original formation pressure. There have yet to be successful cases of overpressure operation, which significantly impacts the economic benefits of converting depleted oil and gas reservoirs into underground gas storage facilities. This article aims to evaluate the maximum operating pressure and storage capacity of the Nanpu 1-29 gas storage facility from the perspective of the ultimate bearing capacity of cap layers and faults, with the goal of effectively enhancing the construction benefits of the facility.  Methods  The evaluation of the maximum operating pressure for the Nanpu 1-29 gas storage facility in eastern Hebei is based on the minimum principal stress measured in situ in the mining wells. Different effective porosity calculation methods are employed to quantitatively evaluate the effective storage capacity of gas and oil reservoirs, as well as the incremental capacity after pressure boosting operation, based on their development differences.  Results  The evaluation of the maximum operating pressure for the Nanpu 1-29 gas storage facility indicates that the minimum principal stress of the cap layers determined by the in-situ measurements in the mining wells is 34.00 MPa. Based on the tensile failure criteria determined by the minimum principal stress, the maximum operating pressure for the tensile failure of the cap layer is 27.20 MPa. Combined with the maximum safe injection pressure corresponding to shear failure of the cap layer (30.60 MPa) and the maximum safe injection pressure corresponding to unstable slip of the fault (27.60 MPa), the final maximum operating pressure for the Nanpu 1-29 gas storage facility is determined to be 27.20 MPa. Based on the effective storage capacity calculation model, considering factors such as the water content of the gas reservoir, residual water and edge porosity as well as the coefficient of influence, the efficiency of gas-driven fluid, and the utilization rate of oil-containing space, the maximum operating pressure increased from the original formation pressure of 22.50 MPa to 27.20 MPa. The practical storage capacity of the gas storage facility increased from 15.46×108 m3 to 18.14×108 m3, an increase of approximately 17.3%.  Conclusion  (1) The construction of gas storage facilities can be re-evaluated for the maximum operating pressure based on the minimum principal stress measured in situ in the mining wells, and overpressure design can be conducted under appropriate conditions. (2) Overpressure design can effectively increase storage capacity and improve the economic benefits of reservoir construction.  Significance   The research results have a certain reference value for the quantitative evaluation of the maximum operating pressure and storage capacity of other underground gas storage facilities, and are expected to significantly improve the economic benefits of overpressure-designed reservoir-type gas storage facilities in China.

     

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    Created with Highcharts 5.0.7Chart context menuAccess Area Distribution其他: 4.3 %其他: 4.3 %China: 0.8 %China: 0.8 %上海: 1.2 %上海: 1.2 %东莞: 0.3 %东莞: 0.3 %中卫: 0.9 %中卫: 0.9 %乌鲁木齐: 0.7 %乌鲁木齐: 0.7 %伯班克: 0.1 %伯班克: 0.1 %克拉玛依: 0.1 %克拉玛依: 0.1 %内江: 0.9 %内江: 0.9 %北京: 11.9 %北京: 11.9 %南京: 0.5 %南京: 0.5 %哈尔滨: 0.1 %哈尔滨: 0.1 %哥伦布: 0.1 %哥伦布: 0.1 %唐山: 3.5 %唐山: 3.5 %大同: 24.9 %大同: 24.9 %天津: 0.3 %天津: 0.3 %巴音郭楞: 0.1 %巴音郭楞: 0.1 %常德: 0.1 %常德: 0.1 %广州: 0.8 %广州: 0.8 %张家口: 4.6 %张家口: 4.6 %成都: 1.6 %成都: 1.6 %扬州: 1.1 %扬州: 1.1 %昆明: 0.3 %昆明: 0.3 %朝阳: 0.3 %朝阳: 0.3 %杭州: 0.4 %杭州: 0.4 %武汉: 0.8 %武汉: 0.8 %洛阳: 0.1 %洛阳: 0.1 %漯河: 0.7 %漯河: 0.7 %石家庄: 1.2 %石家庄: 1.2 %纽约: 0.3 %纽约: 0.3 %芒廷维尤: 15.3 %芒廷维尤: 15.3 %芝加哥: 1.5 %芝加哥: 1.5 %西宁: 10.0 %西宁: 10.0 %西安: 0.5 %西安: 0.5 %西雅图: 0.3 %西雅图: 0.3 %诺沃克: 5.5 %诺沃克: 5.5 %贵阳: 0.4 %贵阳: 0.4 %运城: 1.1 %运城: 1.1 %连云港: 0.3 %连云港: 0.3 %邯郸: 0.1 %邯郸: 0.1 %郑州: 0.3 %郑州: 0.3 %重庆: 0.1 %重庆: 0.1 %银川: 0.1 %银川: 0.1 %长沙: 0.3 %长沙: 0.3 %阳泉: 0.4 %阳泉: 0.4 %青岛: 0.5 %青岛: 0.5 %其他China上海东莞中卫乌鲁木齐伯班克克拉玛依内江北京南京哈尔滨哥伦布唐山大同天津巴音郭楞常德广州张家口成都扬州昆明朝阳杭州武汉洛阳漯河石家庄纽约芒廷维尤芝加哥西宁西安西雅图诺沃克贵阳运城连云港邯郸郑州重庆银川长沙阳泉青岛

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