Boring or penetrating the earth – Processes – Boring curved or redirected bores
Patent
1993-10-06
1995-11-28
Britts, Ramon S.
Boring or penetrating the earth
Processes
Boring curved or redirected bores
175 75, 72152, E21B 708
Patent
active
054699258
ABSTRACT:
A tube turning tool allows laterals to be drilled and completed without the need for articulated bending tools, underreaming, high fluid pressure, or a separate running of completion tools. The turning tool uses a rigid bent pipe section capable of being run downhole within many standard diameter well tubulars, supported in a desired position, and bending coil tubing at an ultra short radius of curvature as it is being run into the wellbore so that it can jet drill a lateral. After jet drilling a lateral, the lateral can also be completed using the coil tubing, e.g., gravel packed by pumping a slurry through the coil tubing while withdrawing the tubing from the lateral.
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McClellan John C.
Mueller Mark D.
Britts Ramon S.
Jacobson William O.
Tsay Frank S.
Union Oil Company of California
Wirzbicki Gregory F.
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