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发明授权
US08813837B2 Wellhead system having resilient device to actuate a load member and enable an over-pull test of the load member 有权
井口系统具有弹性装置来致动负载构件并且能够对负载构件进行过度拉力试验

Wellhead system having resilient device to actuate a load member and enable an over-pull test of the load member
摘要：
A wellbore system comprising a housing assembly and a hanger assembly. The hanger assembly comprises an actuation member that interacts with a portion of the housing assembly when the hanger assembly is positioned at a desired location in the housing assembly. The hanger assembly also comprises a load member that is adapted to extend between the hanger assembly and the housing assembly to enable the housing assembly to support the hanger assembly. The load member is carried into the wellbore in a retracted position. When the actuation member interacts with the housing assembly at the desired location, the actuation member actuates the load member to expand outward to extend between the hanger assembly and the housing assembly. The actuation member is adapted to transfer a lifting force from the surface to the load member to enable an over-pull test of the hanger assembly to be performed.
摘要（中）：

一种井眼系统，包括壳体组件和衣架组件。 所述衣架组件包括致动构件，当所述衣架组件定位在所述壳体组件中的期望位置时，所述致动构件与所述壳体组件的一部分相互作用。 衣架组件还包括适于在衣架组件和壳体组件之间延伸的负载构件，以使得壳体组件能够支撑衣架组件。 负载构件在缩回位置被运送到井筒中。 当致动构件在所需位置处与壳体组件相互作用时，致动构件致动负载构件向外扩展以在衣架组件和壳体组件之间延伸。 致动构件适于将提升力从表面传递到负载构件，以使得能够进行衣架组件的过度拉伸试验。

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