A METHOD OF ABATING CARBON DIOXIDE AND HYDROGEN SULFIDE

This invention relates to a method and a system of abating carbon dioxide (CO2) and/or hydrogen sulfide (H2S) in a geological reservoir. Water is pumped or transferred from a water source to an injection well. The gasses are merged with the water under conditions where the hydraulic pressure of the...

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Bibliographische Detailangaben
Hauptverfasser:	SIGHVATSSON HUNI, MATTER JURG, SNAEBJORNSDOTTIR SANDRA OSK, VOIGT MARTIN JOHANNES, GUNNARSSON INGVI, MESFIN KIFLOM G, ARADOTTIR EDDA SIF PIND, WOLFF-BOENISCH DOMENIK, JONSSON PORSTEINN, SIGFUSSON BERGUR, CLARK DEIRDRE ELIZABETH, OELKERS ERIC H, GALECZKA IWONA M, STEFANSSON ANDRI, STUTE MARTIN, ALFREDSSON HELGI A, ARNARSON MAGNUS POR, GUNNLAUGSSON EINAR, GISLASON SIGURDUR REYNIR, SIGURDARDOTTIR HOLMFRIDUR
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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Beschreibung
Zusammenfassung:	This invention relates to a method and a system of abating carbon dioxide (CO2) and/or hydrogen sulfide (H2S) in a geological reservoir. Water is pumped or transferred from a water source to an injection well. The gasses are merged with the water under conditions where the hydraulic pressure of the water is less than the pressure of CO2 and/or H2S gas at the merging point. The water with CO2 and/or H2S gas bubbles is transferred further downwardly at a certain velocity higher than the upward flow velocity of said CO2 and/or H2S gas bubbles ensuring downward movement of gas bubbles resulting in full dissolution of said CO2 and/or H2S in the water due to elevating pressure. The complete dissolution ensures a lowered pH of the water entering a geological (e.g. geothermal) reservoir which is needed to promote mineral reactions leading to CO2 and H2S abatement This abatement may be quantified by dissolving a tracer substance in a predetermined molar ratio to said dissolved CO2 and/or H2S and monitored in a monitor