Title:
ANTI-ROTATION DEVICE FOR USE WITH WELL TOOLS
Document Type and Number:
WIPO Patent Application WO2001009481
Kind Code:
A9
Abstract:
A drillable, anti-rotation device (10) for limiting the rotation of a downhole tool, such as a cement plug, when drilling out the downhole tool. The drillable, anti-rotation device (10) comprises a drillable sleeve (12) connected within a non-drillable outer tubular member (20) connected within a pipe string. The sleeve (12) has one or more grooves (46) or other indentation, and/or one or more ribs (14) or other protrusions extending inwardly within the interior of the device for gripping or otherwise retarding the rotation of such downhole tool.
Inventors:
LATIOLAIS BURNEY JR (US)
HAWKINS SAMUEL P II (US)
LUTGRING KEITH T (US)
HAWKINS SAMUEL P II (US)
LUTGRING KEITH T (US)
Application Number:
PCT/US2000/040545
Publication Date:
August 01, 2002
Filing Date:
August 02, 2000
Export Citation:
Assignee:
FRANK S INR INC (US)
LATIOLAIS BURNEY JR (US)
HAWKINS SAMUEL P II (US)
LUTGRING KEITH T (US)
LATIOLAIS BURNEY JR (US)
HAWKINS SAMUEL P II (US)
LUTGRING KEITH T (US)
International Classes:
E21B17/14; E21B29/00; E21B33/12; E21B33/16; (IPC1-7): E21B33/16; E21B43/00
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