Pure oxygen natural gas composite heat carrier generator system
A technology of composite heat carrier and natural gas, which is applied in the fields of production fluids, wellbore/well components, earth-moving drilling, etc., can solve the problems of waste of fuel, low cost, environmental pollution, etc., to prevent high nitrogen content, reduce operating costs, Achieving zero carbon emissions
Inactive Publication Date: 2016-06-22
JIANGSU GREATRIVER OTECH
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Problems solved by technology
[0005] At present, composite heat carrier generators generally operate with diesel as the main fuel. Although it has a high cost performance ratio compared with general oil enhancement technologies in terms of enhanced oil recovery and comprehensive benefits, diesel is still a relatively high-cost fuel; The cost of natural gas is lower than that of diesel oil in the oil reservoir mines supplied; in the oil reservoir mines with associated gas production, the associated gas is often burned directly to the air, which wastes fuel and pollutes the environment;
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[0069] see figure 1 , a pure oxygen natural gas composite heat carrier generator system according to the present invention, which includes a pure oxygen natural gas composite heat carrier generator composed of a pure oxygen combustion chamber 29 and a heat carrier gasification chamber 31, the pure oxygen natural gas composite heat carrier generator The input ends of the device are respectively connected with the pure oxygen pipeline, the natural gas pipeline and the water pipeline, and the pure oxygen pressure sensor 1, the pure oxygen shut-off valve 2, the No. 1 pure oxygen dynamic ball valve 3 and the pure oxygen Temperature control system 4, No. Ⅱ pure oxygen flow regulating valve 5, No. Ⅲ pure oxygen dynamic ball valve 6, pure oxygen mass flow meter 7, generator inlet pressure transmitter 8 and one-way check valve 9, on the natural gas pipeline Natural gas pressure transmitter 14, natural gas shut-off valve 15, No. 1 natural gas pneumatic ball valve 16, natural gas tempera...
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The invention relates to a pure oxygen natural gas composite heat carrier generator system, which includes a pure oxygen natural gas composite heat carrier generator, the input end of the pure oxygen natural gas composite heat carrier generator is respectively connected with a pure oxygen pipeline, a natural gas pipeline and a water pipe The output end of the pure oxygen natural gas composite heat carrier generator is connected to the oil layer through a composite heat carrier delivery pipeline, and the composite heat carrier delivery pipeline includes a pure oxygen combustion chamber (29), a circulation Water temperature sensor (30), heat carrier vaporization chamber (31), heat carrier pressure transmitter (32) and heat carrier temperature sensor (33), heat carrier safety bypass device (34), heat carrier safety emptying device (35). The pure oxygen natural gas composite heat carrier generator system of the present invention can effectively reduce operating costs, remove nitrogen in the air while realizing zero carbon emission, energy saving and emission reduction, and reduce nitrogen gas channeling in heavy oil SAGD technology.
Description
technical field [0001] The invention relates to a pure oxygen natural gas composite heat carrier generator system, which belongs to the technical field of oil extraction technology. Background technique [0002] Injecting saturated water vapor into oil layers for thermal recovery of heavy oil is one of the methods commonly used in countries all over the world. Injecting carbon dioxide, nitrogen, etc. Certain oil recovery effects and economic benefits have been achieved. The composite heat carrier generated by the combustion of high-pressure air and high-pressure natural gas is injected into the oil layer to enhance oil recovery. [0003] The pure oxygen-natural gas composite heat carrier generator uses an oxygen-enriched machine to generate oxygen, and uses an oxygen-enriched compressor booster to pressurize pure oxygen and high-pressure natural gas for airtight combustion to generate a composite heat carrier containing high-temperature carbon dioxide and water vapor to carr...
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IPC IPC(8): E21B43/24
Inventor 梅立新梅奕中卢臻李兴儒张建忠李伟成王兴善崔国安顾世峰
Owner JIANGSU GREATRIVER OTECH