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    • 1. 发明授权
    • Tubing conveyed perforating safety anchor
    • 管道输送穿孔安全锚
    • US4693308A
    • 1987-09-15
    • US810635
    • 1985-12-19
    • Robert R. LukeJames M. Barker
    • Robert R. LukeJames M. Barker
    • E21B31/18E21B43/1185
    • E21B43/11855E21B23/01E21B31/18
    • In a tubing conveyed perforating gun assembly, a detonator is discharged by a weight bar dropped into the tubing string, subject to unintended sticking. The disclosed safety anchor includes a rope socket enabling the safety anchor to be lowered into the tubing string. The safety anchor has an elongate body connected below the rope socket by a shear pin. The body has a mandrel and sleeve construction cooperatively connected with a bottom located grapple cage around collet fingers enabling a fishing neck on the weight bar to be grasped and firmly held. A slip radially expands to lock the safety anchor in the tubing string, enabling the weight bar to be held against falling for safe retrieval.
    • 在输送穿孔枪组件的管道中,通过落在管柱中的重物棒将雷管排出,不经意地粘着。 所公开的安全锚包括使安全锚能够降低到管柱中的绳索套筒。 安全锚具有通过剪切销连接在绳索插座下方的细长主体。 身体具有心轴和套筒构造,其与底部定位的抓斗笼协作地连接在夹头指状物周围,使得重量杆上的钓鱼颈能被抓住并牢固地保持。 滑块径向膨胀以将安全锚锁定在油管柱中,使得重量杆可以防止跌落以便安全地取出。
    • 3. 发明授权
    • Annulus pressure operated vent assembly
    • 环形压力操作排气口组件
    • US4800958A
    • 1989-01-31
    • US146287
    • 1988-01-20
    • David M. HaugenDavid S. WessonRobert R. LukeKevin R. George
    • David M. HaugenDavid S. WessonRobert R. LukeKevin R. George
    • E21B34/10E21B43/116E21B43/119
    • E21B43/1195E21B34/102E21B43/116
    • A vent subassembly includes a vent body having an opening which is covered or uncovered dependent upon the location of a vent sleeve relative to the vent body. The vent subassembly can be connected below a packer, and the vent sleeve can be connected to a perforator so that movement of the vent sleeve is concurrently communicated to the perforator, such as for initiating the firing of the perforator. The vent sleeve is moved by an actuator subassembly, which is to be connected above the packer if the vent and actuator subassemblies are used with a packer. The actuator subassembly has a piston housing, a piston slidably disposed in the piston housing, and a connector string extending from the piston to the vent sleeve. The piston is responsive to a differential pressure existing between the annulus outside the actuator subassembly and an interior pressure within the actuator subassembly.
    • 排气子组件包括通气体,其具有取决于通气套相对于排气体的位置而被覆盖或不覆盖的开口。 排气子组件可以连接在封隔器下方,并且排气套筒可以连接到穿孔器,使得排气套筒的运动同时传递到穿孔器,例如用于开始穿孔器的点火。 如果排气阀和执行器组件与封隔器一起使用,则通气套筒由致动器子组件移动,致动器子组件将连接在封隔器上方。 致动器子组件具有活塞壳体,可滑动地设置在活塞壳体中的活塞以及从活塞延伸到通气套筒的连接器串。 活塞响应于在致动器子组件外部的环形空间和致动器子组件内部的内部压力之间存在的差压。
    • 4. 发明授权
    • Annulus pressure operated vent assembly
    • 环形压力操作排气口组件
    • US4732211A
    • 1988-03-22
    • US894101
    • 1986-08-07
    • David M. HaugenDavid S. WessonRobert R. LukeKevin R. George
    • David M. HaugenDavid S. WessonRobert R. LukeKevin R. George
    • E21B34/10E21B43/116E21B43/119
    • E21B43/1195E21B34/102E21B43/116
    • A vent subassembly includes a vent body having an opening which is covered or uncovered dependent upon the location of a vent sleeve relative to the vent body. The vent subassembly can be connected below a packer, and the vent sleeve can be connected to a perforator so that movement of the vent sleeve is concurrently communicated to the perforator, such as for initiating the firing of the perforator. The vent sleeve is moved by an actuator subassembly, which is to be connected above the packer if the vent and actuator subassemblies are used with a packer. The actuator subassembly has a piston housing, a piston slidably disposed in the piston housing, and a connector string extending from the piston to the vent sleeve. The piston is responsive to a differential pressure existing between the annulus outside the actuator subassembly and an interior pressure within the actuator subassembly.
    • 排气子组件包括通气体,其具有取决于通气套相对于排气体的位置而被覆盖或不覆盖的开口。 排气子组件可以连接在封隔器下方,并且排气套筒可以连接到穿孔器,使得排气套筒的运动同时传递到穿孔器,例如用于开始穿孔器的点火。 如果排气阀和执行器组件与封隔器一起使用,则通气套筒由致动器子组件移动,致动器子组件将连接在封隔器上方。 致动器子组件具有活塞壳体,可滑动地设置在活塞壳体中的活塞以及从活塞延伸到通气套筒的连接器串。 活塞响应于在致动器子组件外部的环形空间和致动器子组件内部的内部压力之间存在的差压。
    • 6. 发明授权
    • Pressure assist detonating bar and method for a tubing conveyed
perforator
    • 压力辅助引爆杆和管道输送穿孔机的方法
    • US4762179A
    • 1988-08-09
    • US892814
    • 1986-08-04
    • David S. WessonRobert R. LukeFlint R. GeorgeDavid M. HaugenKevin R. George
    • David S. WessonRobert R. LukeFlint R. GeorgeDavid M. HaugenKevin R. George
    • E21B43/1185E21B43/116
    • E21B43/11855E21B43/11852
    • A detonator bar has an outer housing, an inner housing connected to the outer housing by at least one first frangible member, an explosive charge disposed in the inner housing, and a firing piston with firing pin held in the inner housing by at least one retaining dog and at least one second frangible member. Operation occurs in response to a relatively small impact force between the detonator bar and a perforator or other explosive object located in a subterranean well. This relatively small impact breaks the at least one first frangible member. Thereafter, a fluid pressure existing in the subterranean well, such as a hydrostatic pressure within a tubing string on which a perforator is conveyed, is used to exert a sufficient force to break the at least one second frangible member after the at least one retaining dog has been released by downward movement of the outer housing relative to the inner housing, which relative movement occurs only after the initial impact force has broken the at least one first frangible member.
    • 一个雷管具有一个外壳,一个通过至少一个第一易碎构件连接到外壳的内壳,设置在内壳中的炸药,以及具有击发销的击发活塞,该击发活塞通过至少一个保持件 狗和至少一个第二个易碎成员。 响应于雷管杆和位于地下井中的穿孔器或其他爆炸物体之间的相对小的冲击力而发生操作。 这种相对较小的影响破坏了至少一个第一易碎成员。 此后,存在于地下井中的流体压力,例如在输送穿孔器的油管柱内的流体静力压力被用于施加足够的力以在所述至少一个保持爪之后破坏所述至少一个第二易碎构件 已经通过外壳相对于内壳的向下运动而释放,该相对运动仅在初始冲击力破坏了至少一个第一易碎构件之后发生。