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Scientific, Technological and Production Journal
ISSN 2079–3332 (print)
ISSN 3034-6835 (online)
founded in 2001

Justification for the rational depression on the reservoir of watered gas wells to enhance gas recovery of the field at the late stage of development

Original articles: 2025 No 3

Justification for the rational depression on the reservoir of watered gas wells to enhance gas recovery of the field at the late stage of development

DOI: 10.56195/20793332-2025-25-3-36-41

Read in pdf V. N. Sokotuschenko1, E. A. Evstafeev2, K. A. A. S. Al-Qadi1
  1. Russian State University of Oil and Gas (NRU) named after I.M. Gubkina, Moscow, Russian Federation
  2. Branch of the Russian State University of Oil and Gas (NRU) named after I.M. Gubkin, Tashkent, Republic of Uzbekistan
p. 36-41, No.3/2025
Abstract:
The article presents a new method for calculating rational depression on the reservoir during the operation of flooded gas wells at fields at a late stage of development. The proposed approach combines multiple criteria for operational regimes, establishing an acceptable range of reservoir depressions. The optimal depression value is then determined through comparative analysis of key technological performance indicators derived from hydrodynamic modeling of various development scenarios. The methodology was validated on six watered gas wells in a field characterized by a high content of corrosive components in Valanginian deposits. Results demonstrate that applying the optimal depression range enhances gas recovery, mitigates operational risks, and minimizes equipment corrosion. The study emphasizes the significance of maintaining a stable flow regime to prevent issues such as liquid plugs while maximizing annual gas production. This approach contributes to the efficient and safe exploitation of gas reservoirs at advanced stages of depletion, extending field life and improving recovery rates.
Keywords:
Well, technological mode, reservoir drawdown, corrosive components, optimality criterion, water cut, gas velocity, development indicators, approximate mathematical model, development options
For citation:
Sokotuschenko VN, Evstafeev EA, Al-Qadi Kaas. Justification for the rational depression on the reservoir of watered gas wells to enhance gas recovery of the field at the late stage of development. Mine Surveying and Subsurface Use. 2025;25(3):36-41. (In Russ.). https://doi.org/10.56195/20793332-2025-25-3-36-41.
Information about the authors:
  1. Vadim N. Sokotuschenko – Dr. Sci. (Eng.), Associate Professor, Russian State University of Oil and Gas (NRU) named after I. M. Gubkina, 119991, Moscow, Russian Federation, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
  2. Evgeniy A. Evstafeev – Lecturer, Branch of the Russian State University of Oil and Gas (NRU) named after I. M. Gubkin, 100125, Tashkent, Republic of Uzbekistan
  3. Al-Qadi Khalil Ahmed Ali Saleh – Master’s Student, Russian State University of Oil and Gas (NRU) named after I. M. Gubkina, 119991, Moscow, Russian Federation
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