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Settable compositions comprising wollastonite and pumice and methods of use

  • US 8,741,057 B1
  • Filed: 03/22/2013
  • Issued: 06/03/2014
  • Est. Priority Date: 11/09/2012
  • Status: Expired due to Fees
First Claim
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1. A settable composition comprising:

  • wollastonite;

    pumice;

    a calcium-ion source in an amount in a range of from about 0.1% to about 25% by combined weight of the wollastonite and pumice; and

    water in an amount sufficient to form a pumpable slurry and present in a range of from about 40% to about 200% by combined weight of the wollastonite and pumice;

    wherein the wollastonite is present in an amount in a range of from about 25% to about 75% by combined weight of the wollastonite and pumice; and

    wherein the pumice is present in an amount in a range of from about 25% to about 75% by combined weight of the wollastonite and pumice, andwherein the settable composition is free of an additional cementitious components or comprises the additional cementitious components in an amount of about 1% or less by combined weight of the wollastonite and pumice.

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