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    • 5. 发明申请
    • Safety Apparatus for Perforating System
    • 穿孔系统安全装置
    • US20070267195A1
    • 2007-11-22
    • US11308876
    • 2006-05-18
    • Larry GrigarJoe Hromas
    • Larry GrigarJoe Hromas
    • E21B43/11
    • E21B43/1185F42C15/188F42D1/04
    • Safety apparatus is disclosed for providing ballistic train interruption in a perforating system. The safety apparatus comprises a generally tubular shaped housing having first and second ends which are fabricated to permit the housing to be positioned at any location in the perforating system. The apparatus comprises first and second ballistic sections in the housing and a third ballistic section which is rotatably mounted in the housing to move between a disarmed position and an armed position based on downhole pressure. Upon retrieval of the perforating system from the wellbore, the safety apparatus functions to return a third ballistic section to its disarmed position. Additionally, apparatus is provided to permanently disable the third ballistic section to insure that no inadvertent detonation of the guns occurs when retrieving the system from a wellbore.
    • 公开了用于在射孔系统中提供弹道导弹中断的安全装置。 该安全装置包括大致管状的壳体,该壳体具有第一和第二端,其制造成允许壳体定位在穿孔系统中的任何位置。 该装置包括壳体中的第一和第二弹道部分和第三弹道部分,该第三弹道部分可旋转地安装在壳体中以基于井下压力在撤防位置和布置位置之间移动。 在从井眼检索穿孔系统时,安全装置用于将第三弹道部分返回到其撤防位置。 另外,提供装置以永久地禁用第三弹道部分,以确保在从井眼检索系统时不会发生无意中的枪的爆炸。
    • 9. 发明申请
    • TORQUE RESISTANT COUPLING FOR OILWELL TOOLSTRING
    • 用于油井工具的耐扭矩联接
    • US20110073325A1
    • 2011-03-31
    • US12570840
    • 2009-09-30
    • Steven HendersonLarry GrigarTommie DunnKerry HamiltonRebecca A. Santiago
    • Steven HendersonLarry GrigarTommie DunnKerry HamiltonRebecca A. Santiago
    • E21B23/00E21B33/068
    • E21B17/043
    • A downhole oilwell toolstring having an adapter having a male threaded portion, a longitudinally extending tubular female housing having a female threaded portion on an inner surface of the housing, a first end located proximate to the female threaded portion, a second end located distal to the female threaded portion, and a recessed groove extending around the circumference of the interior surface of the female housing at a location between the first end the female threaded portion. The adapter has a first end that is distal from the threaded portion and a second end that is proximate to the threaded portion, and a recessed groove extending around the outer circumference of the adapter at a location between the threaded portion and the first end of the adapter. The female housing is connected with the male adapter by way of the female threaded portion and the male threaded portion engaging one another. A ring is located in the recessed groove in the adapter and the recessed groove in the female housing.
    • 一种具有接合器的井下油井工具串,其具有阳螺纹部分,纵向延伸的管状阴壳体,在壳体的内表面上具有阴螺纹部分,位于靠近阴螺纹部分的第一端, 内螺纹部分和凹槽,凹槽在阴内螺纹部分的第一端之间的位置处围绕阴壳体的内表面的圆周延伸。 适配器具有远离螺纹部分的第一端和靠近螺纹部分的第二端,以及在螺纹部分和第一端之间的位置处围绕适配器的外圆周延伸的凹槽 适配器。 阴壳体通过内螺纹部分与阳适配器连接,阳螺纹部分彼此接合。 环位于适配器中的凹槽中,凹形凹槽位于阴壳中。
    • 10. 发明授权
    • Safety apparatus for perforating system
    • 穿孔系统安全装置
    • US07487833B2
    • 2009-02-10
    • US11308876
    • 2006-05-18
    • Larry GrigarJoe C. Hromas
    • Larry GrigarJoe C. Hromas
    • E21B29/00
    • E21B43/1185F42C15/188F42D1/04
    • Safety apparatus is disclosed for providing ballistic train interruption in a perforating system. The safety apparatus comprises a generally tubular shaped housing having first and second ends which are fabricated to permit the housing to be positioned at any location in the perforating system. The apparatus comprises first and second ballistic sections in the housing and a third ballistic section which is rotatably mounted in the housing to move between a disarmed position and an armed position based on downhole pressure. Upon retrieval of the perforating system from the wellbore, the safety apparatus functions to return a third ballistic section to its disarmed position. Additionally, apparatus is provided to permanently disable the third ballistic section to insure that no inadvertent detonation of the guns occurs when retrieving the system from a wellbore.
    • 公开了用于在射孔系统中提供弹道导弹中断的安全装置。 该安全装置包括大致管状的壳体,该壳体具有第一和第二端,其制造成允许壳体定位在穿孔系统中的任何位置。 该装置包括壳体中的第一和第二弹道部分和第三弹道部分,该第三弹道部分可旋转地安装在壳体中以基于井下压力在撤防位置和布置位置之间移动。 在从井眼检索穿孔系统时,安全装置用于将第三弹道部分返回到其撤防位置。 另外,提供装置以永久地禁用第三弹道部分,以确保在从井眼检索系统时不会发生无意中的枪的爆炸。