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Solidification of water based muds

  • US 5,058,679 A
  • Filed: 03/19/1991
  • Issued: 10/22/1991
  • Est. Priority Date: 01/16/1991
  • Status: Expired due to Term
First Claim
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1. A method for solidifying an aqueous drilling fluid in a borehole comprising:

  • admixing blast furnace slag with the drilling fluid;

    displacing the drilling fluid to a preselected location in the borehole; and

    allowing the drilling fluid to solidify in-situ.

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