Abstract
The article proposes a solution to the problem of operating wells, at the bottom of which, during the production of reservoir products, fluid accumulates. It is shown that traditionally this field problem is solved by carrying out underground repairs, which creates the risk of the wells not being brought back to the initial parameters, primarily in terms of flow rate. The solution to this type of complication in the wells of the Cenomanian deposit of the Urengoy oil and gas condensate field is to transfer the wells to operation using concentric lift columns. This relatively new innovative technology allows for the removal of liquid from the bottom together with gas, thereby avoiding killing the well and its subsequent repair, as well as possible stimulating treatments to restore the necessary flow. It is shown that by calculating the dependencies and the software package it is possible to determine the critical and recommended flow rates for well operation without complications.
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