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COMPOSITIONS AND METHODS FOR CEMENTING A WELLBORE USING MICROBES OR ENZYMES

  • US 20170029689A1
  • Filed: 07/31/2015
  • Published: 02/02/2017
  • Est. Priority Date: 07/31/2015
  • Status: Active Grant
First Claim
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1. A method of cementing a wellbore penetrating a subterranean formation, the method comprising:

  • injecting into the wellbore a settable slurry comprising;

    an aqueous carrier;

    an aggregate;

    urea;

    a calcium ion source; and

    a calcium carbonate producing agent comprising a microbe, an enzyme, or a combination comprising at least one of the foregoing; and

    allowing the slurry to set.

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