Apparatus and methods for preventing or limiting rotation of cementing plugs
AssigneeHalliburton Energy Services, Inc.
InventorsCraig Roddy, Anthony Badalamenti
Life of this patent
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Abstract
Methods and apparatus for preventing or limiting the rotation of downhole tools, such as cementing plugs, in a casing string during drillout. The apparatus includes an outer case and a radially expandable sleeve disposed therein. The sleeves will engage cementing plugs received therein. The sleeves radially expand when cementing plugs are received therein to grippingly engage the outer case and prevent or limit rotation thereof during drillout.
Claims72
An apparatus for preventing or limiting rotation of a downhole tool in a casing during drillout, the apparatus comprising a radially expandable sleeve adapted to receive and prevent or limit rotation of the tool in the casing.
An apparatus for preventing or limiting rotation of a cementing plug during drillout comprising:
- an outer case;
- and
- an expandable sleeve disposed in the outer case, wherein the sleeve is adapted to receive the cementing plug and radially expand to grippingly engage the outer case when the cementing plug is received therein.
An apparatus for preventing or limiting rotation of a cementing plug in a casing string comprising an expandable sleeve adapted to receive the plug therein and means for preventing or limiting rotation of the plug in the sleeve.
A method for preventing or limiting rotation of a plug in a casing located in a wellbore comprising the steps of:
- providing a casing having an expandable sleeve disposed therein;
- placing the casing in a wellbore;
- displacing the plug through the casing;
- and
- engaging the sleeve with the plug wherein the sleeve radially expands and grippingly engages the casing so that the plug and sleeve resist rotation during drillout.
A method of constructing a well comprising the steps of:
- drilling a wellbore in a subterranean formation;
- placing a casing having an expandable sleeve disposed therein in the wellbore, wherein the sleeve is adapted to receive and prevent or limit rotation of a downhole tool in the casing;
- disposing the tool within the sleeve thereby expanding the sleeve to engage the casing;
- and
- drilling out the sleeve and tool.
Dependencies are inferred from the claim text.