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Sinopec News Network reported this year, the North China Oil and Gas Branch's Daniudi gas field processing station has reduced methanol consumption by 77 cubic meters, fuel gas consumption by 146,800 cubic meters, and electricity consumption by 12,450 degrees, saving a total of about 347,600 yuan in cost
.
The Daniudi gas field processing station is a major energy consumer in the gas field.
The methanol consumption is mainly in the low-temperature processing of natural gas in the double desorption unit.
The purpose is to prevent hydrate blockage in the three-stream heat exchanger and propane evaporator
.
In the past, methanol refueling mainly relied on historical experience and personal experience of employees.
Affected by changes in methanol refueling in upstream gas wells, there were problems in the actual refueling process of methanol in processing stations, such as excessive refueling, frequent on-site test adjustments, and heavy workload
.
In order to achieve refined methanol injection control, the project team used HYSYS software to establish a multi-factor methanol injection model.
The consumption of natural gas is mainly in the heat medium system, the purpose of which is to heat the heat transfer oil
.
With the extension of the production time, the current thermal medium system has problems such as difficulty in heating up the thermal medium furnace, increase in natural gas consumption, and increase in power consumption
By adding a regulating valve to the heat transfer oil circuit system, the project team tested the heat transfer conditions of the heat medium system at different flow rates, and finally determined the optimal flow rate range of 107~110 cubic meters per hour
.
Through the optimization of the heat transfer oil flow rate, compared with the same period last year, the replacement rate of heat medium oil circulation pump parts has dropped from 2 times per quarter to 1 time
(Fan Jinzheng)
