[특허]Process and apparatus for coupled electromagnetic and acoustic stimulation of crude oil reservoirs using pulsed power electrohydraulic and electromagnetic discharge

Process and apparatus for coupled electromagnetic and acoustic stimulation of crude oil reservoirs using pulsed power electrohydraulic and electromagnetic discharge 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E21B-043/25 E21B-028/00
출원번호	US-0755228 (2001-01-05)
발명자 / 주소	Sally A. Thomas William W. Gilbert Alan Royce Huffman
출원인 / 주소	Conoco Inc.
대리인 / 주소	Madan, Mossman & Sriram P.C.
인용정보	피인용 횟수 : 35 인용 특허 : 27

초록 ▼

Pulsed power sources are installed in one or more wells in the reservoir interval. The pulse sources include (1) an electrohydraulic generator that produces an intense and short lived electromagnetic pulse that travels at the speed of light through the reservoir, and an acoustic pulse from the plasma vaporization of water placed around the source that propagates through the reservoir at the speed of sound in the reservoir and (2) an electromagnetic generator that produces only an intense and short lived electromagnetic pulse that travels at the speed of light through the reservoir. The combination of electrohydraulic and electromagnetic generators in the reservoir causes both the acoustic vibration and electromagnetically-induced high-frequency vibrations occur over an area of the reservoir where stimulation is desired. Single generators and various configurations of multiple electrohydraulic and electromagnetic generators stimulate a volume of reservoir and mobilize crude oil so that it begins moving toward a producing well. The method can be performed in a producing well or wells, an injector well or wells, or special wells drilled for the placement of the pulsed power EOR devices. The method can be applied with other EOR methods such as water flooding, CO2 flooding, surfactant flooding, diluent flooding in heavy oil reservoirs. The recovered formation fluids may be separated into various constituents.

대표청구항 ▼

1. A process for recovering a desired constituent of a fluid from at least one porous zone of a subterranean formation, the method comprising:(a) generating an electrical pulsed discharge in a first borehole at a distance from the at least one porous zone and propagating an electromagnetic wave into the formation at a first time, said electromagnetic wave reaching the at least one porous zone at a time substantially equal to the first time and inducing ultrasonic vibrations within said at least one porous zone; (b) propagating at a second time an acoustic wave into the formation, said acoustic wave arriving at said at least one porous zone at a time substantially equal to the first time and combining with said ultrasonic vibrations thereby enhancing the mobility of previously immobile fluid in the at least one porous zone; (c) recovering a fluid including the mobilized fluid from a producing well in the at least one porous zone to give a recovered fluid; and (d) using at least one process selected from gravity separation, fractionation, cyclone separation, membrane separation, solvent extraction, cryogenic separation, liquefaction, and pyrolysis to obtain the desired constituent from the recovered fluid.

이 특허에 인용된 특허 (27)

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Cha Chang Y. (Golden CO) Boysen John E. (Laramie WY) Branthaver Jan F. (Laramie WY), Process for removing heavy metal compounds from heavy crude oil.
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Fisher Sidney T. (53 Morrison Ave. Montreal ; Quebec CA) Fisher Charles B. (2850 Hill Park Road Montreal ; Quebec CA), Recovery of hydrocarbons from partially exhausted oil wells by mechanical wave heating.
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Bodine Albert G. (7877 Woodley Ave. Van Nuys CA 91406), Sonic method and apparatus for augmenting fluid flow from fluid-bearing strata employing sonic fracturing of such strata.
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Bodine Albert G. (7877 Woodley Ave. Van Nuys CA 91406), Sonic technique for augmenting the flow of oil from oil bearing formations.
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IPC	Description
A	생활필수품
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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

Process and apparatus for coupled electromagnetic and acoustic stimulation of crude oil reservoirs using pulsed power electrohydraulic and electromagnetic discharge 원문보기

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연합인증

Process and apparatus for coupled electromagnetic and acoustic stimulation of crude oil reservoirs using pulsed power electrohydraulic and electromagnetic discharge 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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이 특허에 인용된 특허 (27)

이 특허를 인용한 특허 (35)

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