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    • 7. 发明授权
    • Thermal release mechanism for downhole tools
    • 井下工具的热释放机构
    • US09068411B2
    • 2015-06-30
    • US13481099
    • 2012-05-25
    • Keven O'ConnorBasil J. Joseph
    • Keven O'ConnorBasil J. Joseph
    • E21B23/00
    • E21B23/00
    • A release mechanism for use in setting a downhole tool comprises two connectors releasably connected to one other. One of the connectors includes a material having a coefficient of thermal expansion that is different from a material included in the second connector. The difference in the coefficients of thermal expansion causes one of the connectors to expand greater than the other connector when heat is applied to one or both of the connectors. As a result of the greater expansion of one of the connectors, the connectors release from each other. Upon release, an actuator within the downhole tool is permitted to move and cause actuation or setting of the downhole tool.
    • 用于设置井下工具的释放机构包括可释放地彼此连接的两个连接件。 一个连接器包括具有与第二连接器中包括的材料不同的热膨胀系数的材料。 当对一个或两个连接器施加热量时,热膨胀系数的差异导致连接器中的一个膨胀比另一个连接器大。 由于连接器之一的更大的膨胀,连接器彼此脱离。 在释放时,井下工具内的致动器被允许移动并引起井下工具的致动或设定。
    • 8. 发明申请
    • MONOBORE EXPANSION SYSTEM - ANCHORED LINER
    • MONOBORE扩展系统 - 锚定内衬
    • US20130098634A1
    • 2013-04-25
    • US13277959
    • 2011-10-20
    • Keven O'ConnorJoerg Lehr
    • Keven O'ConnorJoerg Lehr
    • E21B43/10
    • E21B43/103E21B43/105
    • Methods for forming a wellbore may include placing an upper section of inside a lower section of a parent liner; positioning an upper sealing member and a lower sealing member in the wellbore to form a pressure chamber, and expanding the second liner using the pressure chamber. The sealing members move axially relative to one another and the second liner has an inner bore that is hydraulically isolated from the pressure chamber. A related apparatus may include upper and lower sealing members that cooperate to form a pressure chamber that is hydraulically isolated from an inner bore of the second liner. A work string may include the sealing members, a connector that extends through the pressure chamber and the second liner; and an expander. The expander expands the second liner in response to the axial separation of the sealing members.
    • 用于形成井眼的方法可以包括将母体衬垫的下部的内部的上部部分放置; 将上密封构件和下密封构件定位在井眼中以形成压力室,并且使用压力室使第二衬套膨胀。 密封构件相对于彼此轴向移动,并且第二衬套具有与压力室液压隔离的内孔。 相关设备可以包括协作以形成与第二衬套的内孔液压隔离的压力室的上部和下部密封构件。 工作串可以包括密封构件,延伸穿过压力室的连接器和第二衬套; 和扩展器。 响应于密封构件的轴向分离,膨胀器使第二衬套膨胀。
    • 9. 发明申请
    • Annular Seal for Expanded Pipe with One Way Flow Feature
    • 用于单向流动特征的膨胀管的环形密封
    • US20130056228A1
    • 2013-03-07
    • US13227040
    • 2011-09-07
    • Ines GruetzmannKeven O'ConnorJoerg Lehr
    • Ines GruetzmannKeven O'ConnorJoerg Lehr
    • E21B33/12
    • E21B43/103E21B33/126
    • The seal has a base ring that expands with the underlying supporting tubular. Extending from the base ring is a pleated structure with segments folded over each other so that the run in shape is small and up against the supporting tubular for run in. The pleated segments can have internal stiffeners that also add a bias radially outwardly when the structure is freed to move in that direction. A retaining band keeps the assembly retracted until tubular expansion defeats the band to allow the unitary structure to move out radially to the wellbore or surrounding tubular. The pleated portion unfolds and spans outwardly from the base ring to retain pressure differential in one direction while allowing fluid flow in the opposite direction. The assembly can be attached to a swage device so that pressure from above into the set seal can drive one or more swage members to expand a tubular.
    • 密封件具有与下面的支撑管件一起膨胀的基座环。 从基座环延伸的是褶皱结构,其中节段彼此折叠,使得形状的滑动小,并且抵靠支撑管子上行进。打褶节段可以具有内部加强件,当结构 被释放到这个方向。 保持带保持组件缩回,直到管状膨胀破坏带,以允许整体结构径向移动到井筒或周围的管。 打褶部分从底座环向外展开并跨过一个方向保持压差,同时允许流体沿相反方向流动。 组件可以附接到模锻装置,使得从上方的压力到集合密封件中可以驱动一个或多个挤压构件以使管状物膨胀。