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Settable compositions and methods of use

  • US 9,534,165 B2
  • Filed: 02/28/2014
  • Issued: 01/03/2017
  • Est. Priority Date: 03/09/2012
  • Status: Active Grant
First Claim
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1. A method for introducing a settable composition into a wellbore, the method comprising:

  • providing a settable composition comprising pumice, hydrated lime, a set retarder, and water, wherein the pumice, hydrated lime, and set retarder form a suspension in the water;

    introducing the settable composition into a wellbore; and

    allowing the settable composition to remain static in the wellbore, wherein the settable composition remains in a pumpable fluid state for a period of about 1 day or longer while static in the wellbore;

    wherein the settable composition is activated by inclusion of a set activator prior to the step of introducing the settable composition into the wellbore.

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