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SYSTEM VESSEL AND METHOD FOR OIL AND GAS heavy fraction from a reservoir under the seabed
SYSTEM VESSEL AND METHOD FOR OIL AND GAS heavy fraction from a reservoir under the seabed
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机译:海底储层中石油和天然气重质馏分的系统容器和方法
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摘要
System for production of oil and heavier gas fractions from a reservoir under a seabed, comprising: a field installation with at least one production well and one injection well, which wells are connected with risers to a loading and unloading station, a vessel with means to be connected to the loading and unloading station, a receival plant with means to load and unload the vessel. The system is distinguished in that the vessel includes a high-pressure three-phase separator, an injection compressor, and either water cleaning equipment or water injection equipment, and the receival plant includes high- pressure loading and unloading means, so that the vessel as connected to the field installation can load high-pressure well fluid that is brought into the separator and separated to lighter gas fractions, oil and heavier gas fractions, and water, of which oil and heavier gas fractions are brought to high-pressure storage tanks in the vessel, which high-pressure storage tanks include high-pressure gas which thereby is displaced out of the tanks and injected into the reservoir together with the lighter gas fractions, via the injection compressor, after which oil and heavier gas fractions after transport to the receival plant can be unloaded by displacing the tank contents by high-pressure gas delivered from the receival plant. A vessel and a method are also described.
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