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公开(公告)号：US20180106126A1
公开(公告)日：2018-04-19
申请号：US15814991
申请日：2017-11-16
发明人： Roger Hibberd
CPC分类号： E21B33/1208 , E21B33/1216 , E21B2033/005
摘要： A seal sleeve having a seal sleeve wall comprising a swellable polymer material having elastomeric properties so that the seal sleeve has non-swollen state and an expanded state, wherein the seal sleeve wall has a closed circumference that extends around a central longitudinal axis, the seal sleeve wall having a non-swollen thickness that is defined by the distance between an inner surface and an outer surface of the seal sleeve wall in the non-swollen state, the non-swollen thickness being less than the radial width of a circumferential space between an inner and an outer element that has to be closed off by the seal sleeve, wherein at least one of the end surfaces extends in a plane that includes a sharp angle (α) with the longitudinal axis.
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公开(公告)号：US20180100370A1
公开(公告)日：2018-04-12
申请号：US15289430
申请日：2016-10-10
申请人： Jason A. Allen , Robert S. O'Brien
发明人： Jason A. Allen , Robert S. O'Brien
IPC分类号： E21B33/12
CPC分类号： E21B33/12 , E21B34/06 , E21B43/08 , E21B43/103 , E21B2033/005
摘要： An apparatus for use in a wellbore is disclosed that in one non-limiting embodiment includes a housing including a first location having a first inside dimension and a second location having a second inside dimension that is larger than the first inside dimension, and a seal assembly placed with a sliding fit at the first location, wherein the seal assembly includes a seal body and an inverted seal along an inside of the seal body and wherein the seal assembly is movable from the first location to the second location and expandable into the second location when the seal assembly is positioned at the second location.
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公开(公告)号：US09939089B2
公开(公告)日：2018-04-10
申请号：US14838249
申请日：2015-08-27
发明人： Brian J. Baca
CPC分类号： F16L21/02 , E21B33/04 , E21B2033/005 , F16J15/025 , F16J15/028 , F16J15/061 , F16J15/062 , F16J15/0887 , F16J15/3236 , F16L7/02
摘要： A bi-directional seal assembly for sealing the annulus between an inner tubular member and an outer tubular member comprises an annular seal which in cross section includes a generally U-shaped first portion having a radially inner first leg and a radially outer second leg and a generally U-shaped second portion having a radially inner third leg and a radially outer fourth leg. The second and third legs are joined together such that the first leg engages the inner tubular member and the fourth leg engages the outer tubular member. Pressure below the seal urges the first leg into sealing engagement with the inner tubular member and forces the second and third legs radially outwardly to thereby urge the fourth leg into sealing engagement with the outer tubular member. Also, pressure above the seal urges the fourth leg into sealing engagement with the outer tubular member and forces the second and third legs radially inwardly to thereby urge the first leg into sealing engagement with the inner tubular member.
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公开(公告)号：US20180030804A1
公开(公告)日：2018-02-01
申请号：US15220205
申请日：2016-07-26
发明人： Bruce Boulanger
IPC分类号： E21B33/064 , E21B33/038
CPC分类号： E21B33/064 , E21B33/038 , E21B2033/005
摘要： A system, method, and seal assembly for sealing between two devices. The system comprising a first device, a second device, and a seal assembly, which is configured to seal between the first device and the second device. The seal assembly comprises an annular gasket configured to seal against a pressure internal to the system. The seal assembly also comprises first and second annular seals positioned on the gasket and configured to seal against a pressure external to the system.
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公开(公告)号：US20170284165A1
公开(公告)日：2017-10-05
申请号：US15087421
申请日：2016-03-31
申请人： Vetco Gray Inc.
IPC分类号： E21B33/04
CPC分类号： E21B33/04 , E21B2033/005
摘要： A wellhead housing has a bore with an inner seal surface. A hanger with an outer seal surface lands in the bore. Wickers are formed on at least one of the seal surfaces. A metal seal ring lands between the seal surfaces, the seal ring having annular inner and outer legs separated by an annular slot. An energizing ring has inner and outer diameter surfaces that slide against the inner and outer legs of the seal ring when the energizing ring is moved downward in the slot to radially deform the inner and outer legs into sealing engagement with the wellhead housing and hanger. The energizing ring has an inner diameter relief and an outer diameter relief, each being a partially circumferential groove extending upward from a lower rim. The reliefs define a bridge of narrower radial thickness in the lower rim.
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公开(公告)号：US20170226826A1
公开(公告)日：2017-08-10
申请号：US15494395
申请日：2017-04-21
发明人： David H. Theiss
CPC分类号： E21B33/02 , E21B33/035 , E21B41/0007 , E21B41/04 , E21B2033/005 , F16J15/06
摘要： A system includes a bridge seal assembly configured to form a seal within mineral extraction equipment. The bridge seal assembly includes an annular bridge seal having an accordion-shaped body portion with a plurality of folded portions. Each of the plurality of folded portions extends circumferentially about the annular bridge seal, and the plurality of folded portions are configured to enable the annular bridge seal to expand and contract with the mineral extraction equipment to maintain the seal. The bridge seal assembly also includes a reaction ring and one or more wedge rings configured to be inserted between the annular bridge seal and the reaction ring to actuate the annular bridge seal.
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公开(公告)号：US20170089155A1
公开(公告)日：2017-03-30
申请号：US15297141
申请日：2016-10-19
IPC分类号： E21B21/08 , E21B21/06 , E21B21/10 , E21B33/038 , E21B17/01
CPC分类号： E21B21/08 , E21B17/01 , E21B21/067 , E21B21/106 , E21B33/038 , E21B2021/005 , E21B2033/005 , Y10T137/0396 , Y10T137/2934
摘要： A diverter for diverting a fluid from a riser in a drilling system. The diverter includes a diverter support housing comprising a suspension structure configured so that the diverter support housing is suspendable from a drilling rig, and a main passage arranged to extend from an uppermost end of the diverter support housing to a lowermost end of the diverter support housing. The main passage is configured to have a drill string extend therethrough. A diverter housing is arranged in the main passage. An annular packer element is mounted within the diverter housing. An actuator is mounted within the diverter housing. The actuator is configured to force the annular packer element into a sealing engagement with the drill string. A seal locking mechanism is configured to retain a tubular sealing element in the diverter housing adjacent to the annular packer element.
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公开(公告)号：US09518446B2
公开(公告)日：2016-12-13
申请号：US14650033
申请日：2014-08-29
CPC分类号： E21B34/10 , E21B34/06 , E21B43/16 , E21B47/06 , E21B47/18 , E21B2033/005 , E21B2034/002 , F16K5/0689 , F16K11/0876
摘要： An example ball valve includes a body defining a first valve port and a second valve port circumferentially offset from each other on the body by 180°. A valve member is positioned within the body and defines an inlet port and first and second outlet ports extending perpendicularly from the inlet port in opposing directions. First and second sealing elements are mounted on the valve member within corresponding first and second annular grooves, the first and second sealing elements being circumferentially offset from each other on the valve member by 180° and circumferentially offset from the first and second outlet ports by 90°. First and second seal systems are positioned within the first and second valve ports, respectively, and each include a valve seat engageable with the first and second sealing elements, a boost piston, and a bias spring.
摘要翻译： 示例性球阀包括主体，其限定第一阀口和第二阀口，该主体在主体上周向地彼此偏移180°。 阀构件定位在主体内并且限定入口端口和从入口端口沿相反方向垂直延伸的第一和第二出口端口。 第一和第二密封元件安装在相应的第一和第二环形槽内的阀构件上，第一和第二密封元件在阀构件上周向地彼此偏移180°并且周向地从第一和第二出口延伸90 °。 第一和第二密封系统分别位于第一和第二阀口内，并且每个包括可与第一和第二密封元件接合的阀座，增压活塞和偏置弹簧。
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公开(公告)号：US09382787B2
公开(公告)日：2016-07-05
申请号：US13676238
申请日：2012-11-14
CPC分类号： E21B43/16 , E21B34/14 , E21B43/14 , E21B43/26 , E21B2033/005 , E21B2034/007
摘要： A fracture plug seat assembly used in well stimulation for engaging and creating a seal when a plug, such as a ball, is dropped into a wellbore and landed on the fracture plug seat assembly for isolating fracture zones in a well. The fracture plug seat assembly has a fracture plug seat that includes elastomeric material and reinforcing material.
摘要翻译： 一种断裂塞座组件，用于井眼刺激，用于当诸如球之类的塞子落入井眼中时接合和形成密封，并且降落在断裂塞座组件上，用于隔离井中的断裂带。 断裂塞座组件具有包括弹性材料和增强材料的断裂塞座。
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公开(公告)号：US20160032680A1
公开(公告)日：2016-02-04
申请号：US14445691
申请日：2014-07-29
IPC分类号： E21B33/124 , E21B33/03 , E21B23/06 , E21B33/128
CPC分类号： E21B33/1208 , E21B2033/005
摘要： A downhole seal assembly includes a body extending from an uphole end to a downhole end. The body includes a first sealing surface and an opposing, second sealing surface that is angled relative to the first sealing surface. A first void is formed in the second sealing surface adjacent the uphole end, and a seal is arranged in the first void. A second void is formed in the second sealing surface adjacent the downhole end. One or more passages is formed in the downhole end and fluidically coupled to the second void. The one or more passages is configured and disposed to guide downhole fluids into the second void forcing the first sealing surface against a wellbore.
摘要翻译： 井下密封组件包括从井上端延伸到井下端的主体。 主体包括第一密封表面和相对于第一密封表面成角度的相对的第二密封表面。 在靠近井上端的第二密封表面中形成第一空隙，并且在第一空隙中布置密封件。 在邻近井下端的第二密封表面中形成第二空隙。 一个或多个通道在井下端部形成并且流体耦合到第二空隙。 一个或多个通道被构造和设置成将井下流体引导到第二空隙中，迫使第一密封表面抵靠井眼。
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