Tool driving or impacting – Processes
Reexamination Certificate
2005-03-15
2005-03-15
Rada, Rinaldi I. (Department: 3721)
Tool driving or impacting
Processes
C173S090000, C173S091000, C173S136000
Reexamination Certificate
active
06866104
ABSTRACT:
A downhole vibration tool consisting of a body assembly installed in a work string, and a drop-in dart valve assembly. An open inner bore through the body assembly allows the performance of operations through the body assembly. To activate the vibration tool, the dart valve assembly is dropped into the work string and pumped downhole into engagement with the body assembly. Once the dart valve assembly is in place in the body assembly, continued pumping of fluid will cause the tool to begin to vibrate longitudinally. When the jarring operation is finished, the dart valve assembly can be released from the body assembly and retrieved, with a wireline or coiled tubing unit.
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DeGeare Joe
Haughton David B.
Lynde Gerald D.
Sonnier James A.
Stoesz Carl W.
Baker Hughes Incorporated
Nathaniel Chukwurah
Rada Rinaldi I.
Spinks Gerald W.
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