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US09534472B2 Fabrication and use of well-based obstruction forming object 有权
良好的阻塞形成对象的制造和使用

Fabrication and use of well-based obstruction forming object
Abstract:
An apparatus that is usable within a well includes a string and an object. The object is adapted to be communicated into the well through a passageway of the string to form an obstruction downhole in the well. The object includes an inner core; a layer to surround the inner core; and a structure to extend from the layer to support the inner core while the layer is being formed to position the inner core with respect to the layer.
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