Bidirectional flow control device for facilitating stimulation treatments in a subterranean formation
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E21B-034/08
E21B-043/12
출원번호
US-0799134
(2015-07-14)
등록번호
US-9856720
(2018-01-02)
발명자
/ 주소
Grubert, Marcel A.
출원인 / 주소
ExxonMobil Upstream Research Company
대리인 / 주소
ExxonMobil Upstream Research Company—Law Department
인용정보
피인용 횟수 :
0인용 특허 :
68
초록▼
Bidirectional flow control device for attachment to a tubular member including a nozzle insert comprising a first sealable surface, the nozzle insert comprising a nozzle passage, and a second sealable surface for mating with the first sealable surface, and a first biasing member seat; a cover plate
Bidirectional flow control device for attachment to a tubular member including a nozzle insert comprising a first sealable surface, the nozzle insert comprising a nozzle passage, and a second sealable surface for mating with the first sealable surface, and a first biasing member seat; a cover plate positioned adjacent the first end of the nozzle insert, the cover plate comprising a production orifice and a plurality of stimulation orifices in fluid communication with a plurality of stimulation passages, the cover plate further comprising a second biasing member seat and a biasing member positioned between the first biasing member seat and the second biasing member seat, the biasing member to exert a biasing force to place first sealable surface and second sealable surface in sealing engagement when internal tubular pressure is below a set-point value.
대표청구항▼
1. A bidirectional flow control device for attachment to a tubular member, the tubular member defining an internal flow passage, comprising: (a) a nozzle insert comprising a first end and a second end, the nozzle insert axially positionable within a bore, the bore in fluid communication with the int
1. A bidirectional flow control device for attachment to a tubular member, the tubular member defining an internal flow passage, comprising: (a) a nozzle insert comprising a first end and a second end, the nozzle insert axially positionable within a bore, the bore in fluid communication with the internal flow passage of the tubular member and comprising a first sealable surface, the nozzle insert comprising a nozzle passage in fluid communication with the bore, and a second sealable surface for mating with the first sealable surface, and a first biasing member seat;(b) a cover plate positioned adjacent the first end of the nozzle insert, the cover plate comprising a production orifice in fluid communication with the nozzle passage of the nozzle insert and a plurality of stimulation orifices, the plurality of stimulation orifices in fluid communication with a plurality of stimulation passages, the stimulation passages in fluid communication with the bore, the cover plate further comprising a second biasing member seat; and(c) a biasing member, the biasing member positioned between the first biasing member seat and the second biasing member seat, the biasing member structured and arranged to exert a biasing force sufficient to place first sealable surface and the second sealable surface in sealing engagement when the internal tubular pressure is below a set-point value. 2. The bidirectional flow control device of claim 1, wherein increasing the internal tubular pressure of the internal flow passage of the tubular member above the set-point value unseats the second sealable surface of the nozzle insert from the first sealable surface of the bore placing the plurality of stimulation orifices in fluid communication with the internal flow passage of the tubular member. 3. The bidirectional flow control device of claim 2, wherein the bore is defined by three concentric cylinders, the first concentric cylinder comprising a diameter d1, the second concentric circle comprising a diameter d2 and the third concentric circle comprising a diameter d3. 4. The bidirectional flow control device of claim 3, wherein the first concentric cylinder is adjacent the internal flow passage of the tubular member, and the third concentric cylinder is adjacent the external surface of the tubular member. 5. The bidirectional flow control device of claim 4, wherein d1
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