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Methods of plugging wells

  • US 6,488,089 B1
  • Filed: 07/31/2001
  • Issued: 12/03/2002
  • Est. Priority Date: 07/31/2001
  • Status: Expired due to Fees
First Claim
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1. A method of forming a plug in a well bore containing water comprising the steps of:

  • (a) dropping into said well bore a cementitious material which will delayedly react with said water therein to form an impermeable solid and which has been formed into agglomerates of sufficient weight to sink through said water and other fluids and materials in said well bore, said agglomerates being dropped in a quantity sufficient to form a first mass of said agglomerates in said well bore; and

    then (b) allowing said mass of said agglomerates to react with said water in said well bore to thereby form an impermeable solid plug therein.

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