[특허]Secondary recovery of oil by steam stimulation plus the production of electrical energy and mechanical power

Secondary recovery of oil by steam stimulation plus the production of electrical energy and mechanical power 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E21B-043/24 F02B-043/12
출원번호	US-0599909 (1975-07-28)
발명자 / 주소	Schlinger Warren G. (Pasadena CA)
출원인 / 주소	Texaco Inc. (New York NY 02)
인용정보	피인용 횟수 : 72 인용 특허 : 0

초록 ▼

The subject process pertains to the secondary recovery of oil by the steam stimulation of an underground oil reservoir. As an added benefit, mechanical power and/or electrical energy may be simultaneously produced. In the subject process, raw fuel gas is first produced by the partial oxidation in a free-flow gas generator of a hydrocarbonaceous feed, such as preferably a portion of the oil recovered. The raw fuel gas is cleaned, purified, and burned in a gas turbine which drives a compressor or electric generator. The sensible heat in the raw fuel gas leaving the gas generator and in the flue gas discharged from the gas turbine is recovered by the production of high quality steam. This steam is injected into subterranean formations and reservoirs to accelerate production and to provide additional oil recovery.

대표청구항 ▼

In a process for the secondary recovery of oil by steam stimulation the improvement comprising: (1) reacting by partial oxidation in a free-flow synthesis gas generator at an autogenous temperature in the range of about 1500°to 3500°F and a pressure in the range of about 1 to 250 atmospheres absolute, a hydrocarbonaceous feed and a free-oxygen containing gas optionally in the presence of a temperature moderating gas to produce a raw fuel gas mixture comprising H2, CO, CO2, H2O, particulate carbon and one or more members of the group N2, CH4, COS, H2S, and A; (2) cooling the raw fuel gas mixture from (1by indirect heat exchange with water to produce a stream of steam, and a separate stream of cooled raw fuel gas; (3) cleaning and purifying the cooled raw fuel gas stream from (2) in a gas cleaning and purification zone to produce a clean fuel gas comprising H2, CO and one or more members of the group, CO2, N 2, CH4, and H2O; (4) introducing into the combustion chamber of a gas turbine and burning therein the stream of clean fuel gas from (3) with air to produce a stream of clean flue gas; (5) passing the stream of clean flue gas from (4) through an expansion turbine as the working fluid to develop mechanical power or electrical energy or both; (6) passing a stream of treated water in indirect heat exchange with the stream of steam from (2) and a stream of exhaust flue gas from (5) in a steam generating zone, thereby converting said treated water into steam; (7) introducing a portion of the steam from (6) into a subterranean hydrocaron formation; (8) removing and separating a hydrocarbonaceous fluid and water from said subterranean formation; and (9) treating at least a portion of the water separated in (8) and recycling same into the steam generating zone in (6) as at least a portion of said treated H2O.

이 특허를 인용한 특허 (72)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

Secondary recovery of oil by steam stimulation plus the production of electrical energy and mechanical power 원문보기

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Secondary recovery of oil by steam stimulation plus the production of electrical energy and mechanical power 원문보기

초록 ▼

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연구과제 타임라인

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이 특허를 인용한 특허 (72)

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