Mathematical Justification for Optimizing Operating Conditions of Gas and Gas Condensate Producing Wells

Alexander Cheremisin, Eduard Usov, Boris Kolchanov, Andrey Krylov, Alexander Valkovich, Pavel Lykhin, Vladimir Ulyanov, Ekaterina Khogoeva and Alexander Podnebesnykh
Additional contact information
Alexander Cheremisin: Skolkovo Institute of Science and Technologies, 121205 Moscow, Russia
Eduard Usov: LLC NNTC, 630090 Novosibirsk, Russia
Boris Kolchanov: LLC NNTC, 630090 Novosibirsk, Russia
Andrey Krylov: LLC NNTC, 630090 Novosibirsk, Russia
Alexander Valkovich: LLC NNTC, 630090 Novosibirsk, Russia
Pavel Lykhin: LLC NNTC, 630090 Novosibirsk, Russia
Vladimir Ulyanov: LLC NNTC, 630090 Novosibirsk, Russia
Ekaterina Khogoeva: LLC NNTC, 630090 Novosibirsk, Russia
Alexander Podnebesnykh: Roxar Services, 625000 Tyumen, Russia

Energies, 2022, vol. 15, issue 10, 1-14

Abstract: The paper investigated the problem of selecting/finding the optimal process conditions for gas condensate wells. The well process conditions imply a set of parameters that characterize its operation. The optimization of process conditions provides for the efficient operation of an oil and gas field while meeting the defined boundary and initial conditions, and allows for the process/production goal to be achieved. This paper proposed using the tree-structured Parzen estimator (TPE), which allows for the results from previous iterations to be considered, in order to identify the most promising region of conditions, thereby increasing the optimization efficiency. The movement of multiphase fluid inside the pipeline system (also in the borehole) must be calculated to solve the process optimization problem. The optimization module was integrated into the hydraulic and unsteady state multiphase flow calculations inside the well and the pipeline. The platform created allows for the process conditions at gas condensate fields to be identified via the use of numerical methods. The proposed optimization algorithm was tested in delivering the task of optimizing the process conditions in 13 producing wells in a part of a real gas condensate field in Western Siberia. The engineering problem of optimizing the production of gas and the gas condensate was solved as a consequence of the calculations performed.

Keywords: well process conditions optimization; unsteady state multiphase flow; Parzen estimator; gas; gas condensate fields; optimization (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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