SEPARATING PETROLEUM FRACTIONS

Pressure energy in a petroleum reservoir is not wasted, but used for cooling the gas/liquid mixture through expansion in turbo-expanders (5, 6). The power generated thereby is used for recompression of the gas or for other power needs. This saves freon cooling apparatus, compressors for recompressin...

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Bibliographische Detailangaben
1. Verfasser:	NICHOLAS GEORGE DOBROTWIR
Format:	Patent
Sprache:	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:	Pressure energy in a petroleum reservoir is not wasted, but used for cooling the gas/liquid mixture through expansion in turbo-expanders (5, 6). The power generated thereby is used for recompression of the gas or for other power needs. This saves freon cooling apparatus, compressors for recompressing the cooling fluid, drive motors and powerfor driving them (e.g. fuel gas at an off-shore site), space and weight.In an alternative embodiment the process uses stripping - reboiling whereby again the amount of compression may be reduced as well as a higher yield of selected heavy hydrocarbons is obtained.