Jet motor for providing rotation in a downhole tool
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 10, 2012
Grant Date -
Apr 1, 2010
app pub date -
Dec 4, 2009
filing date -
Mar 31, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An exemplary embodiment of the jet motor includes a control sleeve, and power shaft having at least one opening thereon. The power shaft is rotatable in relation to the control sleeve. The power shaft has a central longitudinal shaft axis and upper and lower ends. The at least one opening in the power shaft generates rotational torque when acting in cooperation with the control sleeve. The jet motor connects to a member that is in fluid communication with the source of drilling or cleaning fluid. Drilling or cleaning fluid pressure is directed to the at least one opening in the power shaft. The power shaft having at least one opening having an opening axis and an interior opening. The at least one opening may be acutely oriented with respect to a plane extending along the power shaft's central longitudinal axis wherein the plane intersects the opening axis at the interior opening. The at least one opening may be oriented toward the upper end of the power shaft to provide downward force. An alternative embodiment with a drill bit functionally connected to the power shaft wherein the drill bit contains drill bit nozzles that provide both rotational and forward force when a fluid is passed therethrough.
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