[특허]System, assembly and method for port control

System, assembly and method for port control 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E21B-034/14 E21B-021/10 E21B-034/00
출원번호	US-0729894 (2010-03-23)
등록번호	US-9279311 (2016-03-08)
발명자 / 주소	Kellner, Justin Solfronk, Matthew D. Harris, John Travis Madero, Paul
출원인 / 주소	BAKER HUGHES INCORPORATION
대리인 / 주소	Cantor Colburn, LLP
인용정보	피인용 횟수 : 0 인용 특허 : 98

초록 ▼

A port control system including a group of port control assemblies at least one of which delaying passage of a plug and at least one of which preventing passage of a plug, each assembly of the group configured to shift a sleeve to open one or more ports responsive to contact with a same sized plug upon fluid pressure differential across the plug; and at least one second group of port control assemblies at least one of which delaying passage of a plug and at least one of which preventing passage of a plug, each assembly of the group configured to shift a sleeve to open one or more ports responsive to contact with a same sized plug upon fluid pressure differential across the plug. A method is included.

대표청구항 ▼

1. A port control system comprising: a group of port control assemblies at least one of which delaying passage of a first plug and at least one of which preventing passage of the first plug, each assembly of the group configured to shift a first sleeve from a first position to a second position to open one or more ports responsive to contact with the first plug upon fluid pressure differential across the first plug; the first sleeve shifting in a direction that is along a direction of movement of the first plug and expanding radially toward a housing of the port control system to reach the second position to open the one or more ports; andat least one second group of port control assemblies at least one of which delaying passage of a second plug and at least one of which preventing passage of the second plug, each assembly of the group configured to shift a second sleeve to open one or more ports responsive to contact with the second plug upon fluid pressure differential across the second plug. 2. A port control system as claimed in claim 1 wherein each assembly delaying passage of a plug comprises: a housing having one or more ports and a recess;a member disposed radially of the housing; anda hold and release component associated with the member and alignable with the recess upon differential pressure across a plug seated in the hold and release component during use. 3. A port control system as claimed in claim 2 wherein the assembly further includes a release member initially maintaining the member in a position associated with the one or more ports being closed. 4. A port control system as claimed in claim 3 wherein the release member is responsive to a load placed thereon and caused by a pressure differential across one of the plugs during use. 5. A port control system as claimed in claim 4 wherein the release member is one or more shear screws. 6. A port control system as claimed in claim 2 wherein the hold and release component is a collet. 7. A port control system as claimed in claim 2 wherein the hold and release component is one or more dogs. 8. A port control system as claimed in claim 2 wherein the hold and release component is a C-ring. 9. A port control system comprising: a group of port control assemblies at least one of which delaying passage of a plug and at least one of which preventing passage of the plug, each assembly of the group configured to shift a member to open one or more ports responsive to contact with a same sized plug upon fluid pressure differential across the plug, shifting the sleeve to open the one or more ports including shifting the sleeve from a first position to a second position, shifting the sleeve in a direction that is along a direction of movement of the plug and expanding radially toward a housing of the group. 10. A port control system as claimed in claim 9 wherein each assembly delaying passage of a plug comprises: a housing having one or more ports and a recess;a member disposed radially of the housing; anda hold and release component associated with the member and alignable with the recess upon differential pressure across a plug seated in the hold and release component during use. 11. A port control system as claimed in claim 10 wherein the assembly further includes a release member initially maintaining the member in a position associated with the one or more ports being closed. 12. A port control system as claimed in claim 11 wherein the release member is responsive to a load placed thereon and caused by a pressure differential across a plug during use. 13. A port control system as claimed in claim 10 wherein the hold and release component is a collet. 14. A port control system as claimed in claim 10 wherein the hold and release component is one or more dogs. 15. A port control system as claimed in claim 10 wherein the hold and release component is a C-ring.

이 특허에 인용된 특허 (98)

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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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System, assembly and method for port control 원문보기

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System, assembly and method for port control 원문보기

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