Scientific and technical journal

«Automation and Informatization of the fuel and energy complex»

ISSN 0132-2222

Automation and Informatization of the fuel and energy complex
Automatic system of gas wells control in real time

UDC: 681.5:622.279+622.276
DOI: 10.33285/2782-604X-2022-1(582)-26-36

Authors:

POSPELOVA TATIANA A.1,
TRUSHNIKOV DMITRY N.1,
LOPATIN RUSLAN R.1,
STREKALOV ALEXANDER V.1,
KHARITONOV ANDREY N.1,
KOZLOV VASILY V.1,
KNYAZEV SERGEY M.1,
DERYUSHEV DMITRY E.1

1 Tyumen Petroleum Research Center, Tyumen, Russian Federation

Keywords: gas production, well operation, algorithm, automatic control system, programmable logic controller, gas flow rate regulator, telemetry, filtration, diagnostics, hydraulic characteristic

Annotation:

The article describes the algorithms for the operation of automatic control systems (ACS) of gas and gas condensate wells and proposes a method for integrating the algorithms with the telemechanics system of a cluster of gas wells (CGS). ACS is an element of the concept of a two-level intellectualization of a gas field, where an automatic field control system (AFCS) is the central element that provides an optimal scenario for the operation of a gas field, and ACS located at the CGS implements this scenario in wells. The tasks to be solved by the automated control system of wells are as follows: maintenance of the gas flow rate of the well calculated by automatic field control system (AFCS), diagnostics of the hydrodynamic characteristics of the control valve, calculation of the PI-regulator coefficients for regulating the gas flow rate, clarification of wells productivity coefficients, determination of hydrate formation conditions, calculation of the required amount of methanol, etc. A permanent data transmission channel should be organized between the ACS and the AFCS for information exchange, where the AFCS transmits the settings and target parameters to the ACS, and the ACS transmits diagnostic information for each well to the AFCS.

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