Invention Grant
US09540897B2 Overshot assembly and systems and methods of using same 有权
Overshot组装及其使用方法

Overshot assembly and systems and methods of using same
Abstract:
An overshot assembly for operative coupling to a wireline and a head assembly within a drilling system. The overshot assembly has at least one latch member that securely engages the inner surface of the head assembly without the use of a spearhead.
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