Invention Grant
US08276674B2 Deploying an untethered object in a passageway of a well 有权
在井的通道中部署一个无阻塞的物体

Deploying an untethered object in a passageway of a well
Abstract:
A system includes a string that includes a passageway and a plurality of tools. The system further includes an untethered object that is adapted to be deployed in the passageway such that the object travels downhole via the passageway and controllably expand its size as the object travels downhole to selectively cause one of the tools to capture the object.
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