Tuha Oilfield: negative pressure gas production and gas increasing steady supply
China oil network news in early January, affected by two rounds of cold air, the eastern and northern parts of Xinjiang had a heavy snow, the temperature dropped below 20 degrees below zero degrees Celsius. Every oil production plant and sales unit in Tuha oilfield implement winter natural gas operation pressure control measures, supplying 1 million 650 thousand cubic meters to Urumqi and Turpan every day. In 2017, the production of natural gas in Tuha oilfield was 600 million cubic meters.
At present, some old wells in Tuha oilfield because of formation pressure decrease of gas production pressure difference reduced, single well output pressure close to the station entrance pressure compressor, affect the normal production of low pressure gas well. The production potential of low pressure low production wells is excavated in Tuha oilfield, and gas well gas production process is carried out. In Turpan oil production plant, 8 negative pressure gas production machines open up horsepower, and the daily increase of gas is 52 thousand cubic meters. At the same time, the No. 2 and No. 3 platform of Sheng Nan is incorporated into the negative pressure gas recovery process, and the gas recovery of 12 high production gas wells is allocated to ensure the steady operation of negative pressure gas production.
Tuha oilfield focus on site management, winter heat preservation, equipment operation and other aspects, especially on the process of natural gas pipeline pressure regulating valve command, pipe for investigation, the key instrument, outside the station control room, high wind instrument parts in-depth investigation, monitoring of boiler system, electric heating equipment to ensure the heat preservation effect. The facilities and process pipelines does not freeze, frost. At the same time, the problems identified are implemented and the hidden dangers are eliminated in the field.
"We are going to carefully check the key valves such as pressure regulating valve, emergency shut-off valve and so on for the company hotline, the easy freezing location and the cotton padded clothes, so as to ensure the supply of gas for the downstream people. Pu Jingrong, director of the natural gas transmission and gas industry division of Tuha oilfield Sales Department, said.
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