The results interpretation of thermogasdynamic studies of vertical gas wells incomplete in terms of the reservoir penetration degree
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dc.contributor.author | Shamsiev Marat N. | |
dc.date.accessioned | 2020-01-17T00:26:36Z | |
dc.date.available | 2020-01-17T00:26:36Z | |
dc.date.issued | 2018 | |
dc.identifier | https://cyberleninka.ru/article/n/the-results-interpretation-of-thermogasdynamic-studies-of-vertical-gas-wells-incomplete-in-terms-of-the-reservoir-penetration-degree | |
dc.identifier | Общество с ограниченной ответственностью «Георесурсы» | |
dc.identifier.citation | Георесурсы, 2018, 20, 1 (eng) | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/13892 | |
dc.description.abstract | A method is proposed for interpreting thermogasdynamic studies of vertical gas wells that are incomplete in terms of the reservoir penetration degree on the basis of inverse problem theory. The inverse problem has the aim to determine the reservoir parameters for nonisothermal filtration of a real gas to a vertical well in an anisotropic reservoir. In this case, the values of the pressure and temperature at the well bottom, recorded by deep instruments, are assumed to be known. The solution of the inverse task is to minimize the functional. The iterative sequence for minimizing the functional is based on the LevenbergMarquardt method. The convergence and stability of the iterative process for various input information have been studied on specific model examples. The effect of reservoir anisotropy on the pressure and temperature changes at the bottom of the well is studied. It is shown that if the reservoir is not completely penetrated by the results of pressure and temperature measurements at the bottom of the well after its start-up, anisotropy of the reservoir can be estimated. It should be noted that when studying thermodynamic processes in the vicinity of a well, which penetrates thick layers, it is necessary to take into account not only the heat exchange of the reservoir with the surrounding rocks, but also the geothermal temperature gradient. | |
dc.publisher | Общество с ограниченной ответственностью «Георесурсы» | |
dc.subject | anisotropy | |
dc.subject | thermogasdynamic studies | |
dc.subject | incomplete well | |
dc.title | The results interpretation of thermogasdynamic studies of vertical gas wells incomplete in terms of the reservoir penetration degree | |
dc.type | text | |
dc.type | Article |
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