Removable Core Wiper Plug
AssigneeHalliburton Energy Services, Inc.
InventorsGunnar LENDE, Tor SAETRE
Life of this patent
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Abstract
Provided are wiper plugs with removable cores and methods of using the wiper plugs with removable cores. An example wiper plug with a removable core comprises a molded body, a wiper, a cavity through the interior of the molded body, a support disposed in the cavity, and the removable core disposed in the cavity. An example method of use comprises removing the core of the wiper plug without drilling through the wiper plug, and leaving the remainder of the wiper plug in the wellbore.
Claims20
A wiper plug with a removable core comprising:
- a molded body,
- a wiper,
- a cavity through the interior of the molded body,
- a support disposed in the cavity, and
- the removable core disposed in the cavity.
A method for removing the core of a wiper plug, the method comprising:
- introducing the wiper plug comprising:
- a molded body,
- a wiper,
- a cavity through the interior of the molded body,
- a support disposed in the cavity, and
- a removable core disposed in the cavity;
- removing the core of the wiper plug without drilling through the wiper plug;
- and
- leaving the remainder of the wiper plug in the wellbore.
A system for removing a core from a wiper plug, the system comprising:
- the wiper plug comprising:
- a molded body,
- a wiper,
- a cavity through the interior of the molded body,
- a support disposed in the cavity, and
- the removable core disposed in the cavity;
- a tubular in which the wiper plug is disposed;
- and
- a cement located downhole of the wiper plug.
Dependencies are inferred from the claim text.