E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/134 (2006.01) E21B 15/04 (2006.01) E21B 33/05 (2006.01)
Patent
CA 2042557
Abstract Of The Disclosure A system for cementing a casing string in a slant well includes a slant drilling rig including a slanted mast hav- ing a pair of spaced rails with an elevator spanning between the rails and reciprocable along a length thereof for recip- rocating a casing string with the casing string lying gener- ally between and parallel to the rails. The mast has an open generally upward facing side. A cement plug container apparatus has a cementing manifold and a release plunger assembly attached thereto and positioned about the container relative to each other such that an angle of substantially less than 180°, and most preferably approximately 90°, is defined therebetween. Thus, the container is substantially free of any radial protrusions outside of that angle and can lie generally flat within the confines of the space between the rails of the tilted mast. The container is of a lift through design having a lifting sub attached to the upper end thereof so that the container and a casing string sup- ported therefrom can be reciprocated within the slant rig so as to reciprocate the casing string while cementing the same in place.
Baldridge Morris G.
Haliburton Company
Swabey Ogilvy Renault
LandOfFree
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