Supervision and Control System of the Operational Variables of a Cluster in a High-Pressure Gas Injection Plant

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Date
2023-02-26Author(s)
Ronceros, Cristhian
Medina, José
Vásquez, Juan
León, Pedro
Fernández, José
Urday, Estefany
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The objective of this research was to develop a technological architecture proposal that allows for the supervision and control of the operational parameters of gas injection (flow, temperature,
and pressure) in a cluster of a high-pressure gas injection plant. The proposal provides a supervision
and control system for the HPGIP I high-pressure gas injection plant that includes instrumentation
equipment (transmitters and actuators), a remote terminal unit (RTU) as a control device, and the
creation of a control logic as the basis for the development of the SCADA GALBA®, through which
the operational variables involved in the process of the gas injection plant can be visualized and controlled, allowing the automatic regulation of the flow of gas that enters the deposits. Automatization
of the process allows for the elimination of the average error differential that increases from 2 to 5%
when the control valve is opened manually. Currently, the MUC-67 and MUC-68 wells that make up
cluster 5 require a control valve opening of 20% and 5%, respectively, and this percentage is directly
affected by the average valve opening error when performed manually. In addition, there is a savings
of around 40 min in the response time by the operators for the adjustment of the opening or closing
parameters of the control valve manually. The proposal allows for the different control actions on the
variables or parameters of gas injection present in the clump to be carried out from a control room.