E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/16 (2006.01) E21B 33/13 (2006.01)
Patent
CA 2432846
An apparatus for preventing or limiting the rotation of cementing plugs in a casing string during drillout. The apparatus includes an outer housing with a sleeve disposed therein. The sleeve has an inner surface configured to engage cementing plugs received therein to cause an interference fit. The sleeve will hold the cementing plugs when rotational forces, such as drilling forces, are applied so that during drillout, rotation of the cementing plug is prevented or is at least limited.
Badalamenti Anthony M.
Butterfield Charles A. Jr.
Garrett Donald M. Jr.
Holden Steven L.
Holubec Ronald J.
Halliburton Energy Services Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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