E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 7/18 (2006.01) E21B 7/06 (2006.01) E21B 43/10 (2006.01) E21B 43/114 (2006.01)
Patent
CA 2246040
In the field of drilling lateral channels from the cased bore of an oil well, a system is presented whereby a number of lateral channels can be drilled through the casing and out a distance into the formation with no requirement to move or raise the lateral drilling apparatus to the surface for each lateral channel drilled. The direction of the drilled lateral channel can be selected by the system operator at the well head. The system will allow the drilling of lateral channels with the well under pressure. A configuration is shown which will allow the installation of a flexible perforated liner in the channel, which flexible perforated liner will prevent the material around the channel from collapsing.
Loree Dwight N.
Mcleod Roderick D.
Goldeye Canada Inc.
Thompson Lambert Llp
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