NATURAL GAS LIQUIDS RECOVERY APPARATUS FOR CARBON DIOXIDE REINJECTION ENHANCED OIL RECOVERY, AND METHOD

A method comprises: providing a carbon dioxide recycle stream comprising natural gas liquids; separating, using a first distillation tower, the carbon dioxide recycle stream into a first vapor fraction and a first liquid fraction; cooling and partially condensing the first vapor fraction in a heat e...

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Bibliographische Detailangaben
Hauptverfasser:	TEMPLE, KEN, MEALEY, BRENT
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING MINING MIXTURES BY PRESSURE AND COLD TREATMENT OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL REFRIGERATION OR COOLING SEPARATION TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A method comprises: providing a carbon dioxide recycle stream comprising natural gas liquids; separating, using a first distillation tower, the carbon dioxide recycle stream into a first vapor fraction and a first liquid fraction; cooling and partially condensing the first vapor fraction in a heat exchanger to yield a first carbon dioxide stream and a reflux stream; and separating, using a second distillation tower, the first liquid fraction into a second carbon dioxide stream and a natural gas liquids rich stream. Un procédé consiste à fournir un flux de recyclage du dioxyde de carbone comprenant des liquides de gaz naturel; à séparer, à laide dune première tour de distillation, le flux de recyclage du dioxyde de carbone dans une première fraction de vapeur, et une première fraction liquide; à refroidir et à condenser partiellement la première fraction de vapeur dans un échangeur de chaleur pour produire un premier flux du dioxyde de carbone et un courant de reflux; et à séparer, à laide dune seconde tour de distillation, la première fraction liquide dans un second flux du dioxyde de carbone et un flux riche de liquides de gaz naturel.