Lockable swivel apparatus and method
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United States of America Patent
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-
Jun 12, 2001
Grant Date -
N/A
app pub date -
Feb 11, 2000
filing date -
Dec 31, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A lockable swivel (4) for use in drilling applications which allows the operator to selectively engage and disengage the swivel (4). The lockable swivel (4) is comprised of a locking mandrel (7) carried in a body (3) which engages, upon actuation, splined surfaces (20, 21) within the swivel mandrel (5) thereby locking the two together. Various methods for the use of the lockable swivel (4) in wireline and other drilling operations are demonstrated.
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