One trip window cutting tool method and apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 5, 1992
Grant Date -
N/A
app pub date -
Dec 17, 1990
filing date -
Dec 22, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention pertains to a device and method for drilling a secondary or deflection hole from a cased drill hole in underground rock or geologic formations. The device disclosed herein includes a deflection wedge unit mountable via a packer in the drill hole and a pilot cutting tool, all mountable to a drill string. A deflection guide actuated by deflection ramp on the deflection wedge unit initiates the deflection drilling process.
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Cited Art Landscape
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