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41. 发明专利

AU2003203645A1 Flapper lock open apparatus 未知
公开(公告)号：AU2003203645A1
公开(公告)日：2003-10-30
申请号：AU2003203645
申请日：2003-04-10
申请人： BAKER HUGHES INC
发明人： BROWN BARRY L , MCCOY JOHN L JR , SHAW BRIAN S , SLOAN JAMES T , THOMPSON GRANT R , WILLIAMS RONALD D
IPC分类号： E21B34/00 , E21B43/10 , E21B34/06 , E21B34/14
摘要： Various techniques for holding open an SSSV using expansion technology are disclosed. A sleeve is delivered to the SSSV and expanded mechanically or hydraulically to deposit the deformed sleeve in position over a flapper or against a flow tube holding the flapper in the open position.

42. 发明专利

NO20031727A 未知
公开(公告)号：NO20031727A
公开(公告)日：2003-10-16
申请号：NO20031727
申请日：2003-04-14
申请人： BAKER HUGHES INC
发明人： WILLIAMS RONALD D , THOMPSON GRANT R , SLOAN JAMES T , SHAW BRIAN S , MCCOY JR JOHN L , BROWN BARRY L
IPC分类号： E21B34/00 , E21B43/10 , E21B34/14 , E21B34/10
CPC分类号： E21B43/108 , E21B34/00 , E21B43/103 , E21B43/105 , E21B2034/005

43. 发明专利

NO20031727D0 未知
公开(公告)号：NO20031727D0
公开(公告)日：2003-04-14
申请号：NO20031727
申请日：2003-04-14
申请人： BAKER HUGHES INC
发明人： WILLIAMS RONALD D , THOMPSON GRANT R , SLOAN JAMES T , SHAW BRIAN S , MCCOY JR JOHN L , BROWN BARRY L
IPC分类号： E21B34/00 , E21B43/10 , E21B
摘要： Various techniques for holding open an SSSV using expansion technology are disclosed. A sleeve is delivered to the SSSV and expanded mechanically or hydraulically to deposit the deformed sleeve in position over a flapper or against a flow tube holding the flapper in the open position.

44. 发明专利

CA2455476A1 SAND CONTROL SEAL FOR SUBSURFACE SAFETY VALVE 未知
公开(公告)号：CA2455476A1
公开(公告)日：2003-02-06
申请号：CA2455476
申请日：2002-07-03
申请人： BAKER HUGHES INC
发明人： THOMPSON GRANT R
IPC分类号： E21B34/10
摘要： A seal (38) is provided to prevent contamination by sand or grit in the clearance (28) between a flow tube (26) and the inner housing wall (16) in a safety valve. An enlarged space is provided adjacent the seal to allow accumulation of sand or grit in the annular clearance space without causing seizure of the flow tube. Disclosed is also an insert safety valve which is assembled without a spacer and with a seal mounted to the lower end of the insert valve to engage the bottom sub on the SSV. As a result, particularly for larger sizes of insert safety valves, the assembly is lighter and shorte r, which facilitates use of readily available standard lubricator and wireline equipment.

45. 发明专利

AU7646096A Control system with collection chamber 未知
公开(公告)号：AU7646096A
公开(公告)日：1997-07-24
申请号：AU7646096
申请日：1996-12-24
申请人： BAKER HUGHES INC
发明人： THOMPSON GRANT R
IPC分类号： E21B34/10 , E21B43/12 , G05D16/00
摘要： A control system for the operation of the subsurface safety valve is disclosed. The control system uses a pressurized gas chamber, as well as a shuttle valve which connects to the main fluid pressure supply from the surface. The shuttle valve is connected to the gaseous chamber as well as to a barrier piston. As a result of the arrangement, leakages between the downstream side of the operating piston and the shuttle valve result in a reestablishment of the pressure balance on the operating system which allows the subsurface safety valve to close. Additionally, in the event of loss of gaseous pressure, the same pressure-balancing effect occurs on the operating piston, which allows the subsurface safety valve to go to a closed position. The configuration of the control system, which includes a gaseous chamber, allows for disconnection of the hydraulic fluid supply before the predetermined depth is reached to facilitate the connection of a tubing hanger.

46. 发明专利

GB2309241A Control system for subsurface safety valve 未知
公开(公告)号：GB2309241A
公开(公告)日：1997-07-23
申请号：GB9700141
申请日：1997-01-06
申请人： BAKER HUGHES INC
发明人： THOMPSON GRANT R
IPC分类号： E21B34/10
摘要： A control system for the operation of the subsurface safety valve is disclosed. The control system uses a pressurized gas chamber, as well as a shuttle valve which connects to the main fluid pressure supply from the surface. The shuttle valve is connected to the gaseous chamber as well as to a barrier piston. As a result of the arrangement, leakages between the downstream side of the operating piston and the shuttle valve result in a reestablishment of the pressure balance on the operating system which allows the subsurface safety valve to close. Additionally, in the event of loss of gaseous pressure, the same pressure-balancing effect occurs on the operating piston, which allows the subsurface safety valve to go to a closed position. The configuration of the control system, which includes a gaseous chamber, allows for disconnection of the hydraulic fluid supply before the predetermined depth is reached to facilitate the connection of a tubing hanger.

47. 发明专利

GB2301383A Control system for subsurface safety valve 未知
公开(公告)号：GB2301383A
公开(公告)日：1996-12-04
申请号：GB9610049
申请日：1996-05-14
申请人： BAKER HUGHES INC
发明人： STRATTAN SCOTT CLAYTON , THOMPSON GRANT R
IPC分类号： E21B33/035 , E21B34/00 , E21B34/10 , E21B47/09
摘要： The invention relates to a control system for a subsurface safety valve (SSV). A pressure-balance feature is introduced such that the control system components are unaffected by the depth of placement of the SSV. Through the use of this feature, the standard hydraulic control system used for surface components can also be used for an SSV regardless of its depth of installation. In another feature of the invention, a shuttle valve is provided so that each time the SSV is stroked, a volume of control fluid is purged into the annulus. One embodiment of the shuttle valve may or may not be sensitive to annulus pressure and employs annulus pressure as an aid to stroking the shuttle valve upon application of surface control pressure to assist in actuation of the SSV, while at the same time providing for a purge of a controlled volume of fluid.

48. 发明专利

MY167040A METHOD OF REDUCING DEFLECTION THROUGH A ROD PISTON IN A SUBSURFACE SAFETY VALVE 未知
公开(公告)号：MY167040A
公开(公告)日：2018-08-02
申请号：MYPI2013702316
申请日：2012-05-31
申请人： BAKER HUGHES INC
发明人： BURRIS JOHN E , THOMPSON GRANT R , ANDERSON DAVID Z , SLOAN JAMES T , PEOPLES BROCK ALAN , LOWRY DOUG A , COGHILL ANTHONY S
IPC分类号： F16J1/00 , E21B34/10
摘要： AN ACTUATION ASSEMBLY INCLUDING A SLEEVE MEMBER HAVING A RADIALLY OUTWARDLY EXTENDING PROJECTION AND A PISTON HAVING AN AXIS, THE PISTON OPERATIVELY COUPLED TO THE PROJECTION OF THE SLEEVE MEMBER AND ARRANGED TO EXERT AN ACTUATION FORCE ON THE PROJECTION OF THE SLEEVE MEMBER FOR ACTUATING THE SLEEVE MEMBER, THE ACTUATION FORCE POSITIONED ABOUT RADIALLY ALIGNED WITH THE AXIS OR RADIALLY OUTWARDLY FROM THE AXIS.

49. 发明专利

BR112013030735A2 método de redução de deflexão através de pistão de haste em uma válvula de segurança de subsuperfície 未知
公开(公告)号：BR112013030735A2
公开(公告)日：2016-12-06
申请号：BR112013030735
申请日：2012-05-31
申请人： BAKER HUGHES INC
发明人： COGHILL ANTHONY S , PEOPLES BROCK ALAN , ANDERSON DAVID Z , LOWRY DOUG A , THOMPSON GRANT R , SLOAN JAMES T , BURRIS JOHN E
IPC分类号： E21B19/16 , E21B33/128 , E21B34/12
摘要： resumo patente de invenção: "método de redução de deflexão através de pistão de haste em uma válvula de segurança de subsuperfície". a presente invenção refere-se a um conjunto de atuação incluindo um membro de luva tendo uma projeção que se estende externamente radialmente, e um pistão tendo um eixo, o pistão operativamente acoplado à projeção do membro de luva, e disposto para exercer uma força de atuação na projeção do membro de luva para atuação do membro de luva, a força de atuação posicionada radialmente alinhada com o eixo, ou radialmente externamente a partir do eixo.

50. 发明专利

AU2011282959B2 Pressure vortex device to allow flapper closure in high velocity fluid applications 未知
公开(公告)号：AU2011282959B2
公开(公告)日：2015-07-09
申请号：AU2011282959
申请日：2011-07-25
申请人： BAKER HUGHES INC
发明人： MYERLEY THOMAS S , ROBERTS TYLER C , THOMPSON GRANT R
IPC分类号： F16K1/18 , F16K17/04
摘要： The problem of flappers that will not close due to high velocity gas rushing past and creating a vortex that has zones of high pressure pressing the flapper against the force of the torsion spring is reduced or overcome with modifications in the passage through a subsurface safety valve so as to reduce the intensity of the vortex to allow the torsion spring to pivot the flapper to closed position. Various shapes are inserted adjacent the flapper base to create turbulence to minimize or prevent the vortex and the associated pressure increases that would otherwise prevent flapper closure with the flow tube retracted. Inserts that create turbulence are placed in a recess that in part holds the flapper when it is rotated to the open position.

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