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Method for removing a sealing plug from a well

  • US 7,591,318 B2
  • Filed: 07/20/2006
  • Issued: 09/22/2009
  • Est. Priority Date: 07/20/2006
  • Status: Active Grant
First Claim
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1. A method for sealing a casing or a wellbore, comprising:

  • providing an explosive on a sealing plug;

    providing an initiator on the plug to receive the wireless signal and to initiate exploding of the explosive in response to receiving a wireless signal;

    lowering the plug into the casing or the wellbore;

    expanding the plug into engagement with the casing or wellbore to provide a seal;

    lowering an actuator into the wellbore; and

    transmitting a wireless signal from the actuator to the initiator to explode the explosive and release the engagement;

    wherein the explosive comprises a cord at least partially received within a recess of a liner of the plug.

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