Whipstock with curved ramp
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United States of America Patent
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-
Sep 9, 2008
Grant Date -
Mar 27, 2008
app pub date -
Sep 25, 2006
filing date -
Sep 25, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The whipstock face below the mounting lug is initially curved with a fairly long radius to protect the whipstock body initially. After moving down the minimally sloping curved face a transition to a greater angle is presented to increase the lateral forces on the window mill and to force the mill laterally to exit the tubular through the window. The transition after the curved portion is preferably to a flat inclined surface to the ramp bottom.
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Family
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Cited Art Landscape
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