USE OF UNDERGROUND GAS STORAGE TO PROVIDE A FLOW ASSURANCE BUFFER BETWEEN INTERLINKED PROCESSING UNITS

A system for developing one or more offshore hydrocarbon fields includes at least one floating hydrocarbon processing unit moored to the seabed and connected to a hydrocarbon reservoir via a riser and a wellhead on the seabed, the unit receiving and processing the hydrocarbon mixture received from t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WILLE HEIN, MEEK HARKE JAN
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CONVEYING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING EQUIPMENT FOR SHIPPING FIXED CONSTRUCTIONS FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOWOF GASES OR LIQUIDS FLUID-PRESSURE ACTUATORS HANDLING THIN OR FILAMENTARY MATERIAL HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PACKING PERFORMING OPERATIONS PNEUMATIC TUBE CONVEYORS RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS SHOP CONVEYOR SYSTEMS STORING TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A system for developing one or more offshore hydrocarbon fields includes at least one floating hydrocarbon processing unit moored to the seabed and connected to a hydrocarbon reservoir via a riser and a wellhead on the seabed, the unit receiving and processing the hydrocarbon mixture received from the reservoir via the riser, and having equipment to separate the hydrocarbon mixture into oil, water and gas and store them in storage tanks. A gas storage buffer reservoir is placed at a certain distance from and isolated from the hydrocarbon reservoir. A gas export riser is connected to the floating hydrocarbon processing unit and the gas buffer reservoir to export separated gas and inject it into the gas buffer reservoir. A gas riser has one end connected to the gas buffer reservoir and another end connected to the floating gas processing unit for processing gas received from the gas buffer reservoir for enabling transportation to shore.