Spacer fluids containing cement kiln dust and methods of use

Spacer fluids containing cement kiln dust and methods of use

  • CN 103,140,562 A
  • Filed: 09/28/2011
  • Published: 06/05/2013
  • Est. Priority Date: 09/30/2010
  • Status: Active Application
First Claim
Patent Images

1. method comprises:

  • The spacer pad that comprises cement kiln dust and water is provided;

    AndDescribed spacer pad is incorporated into is used for replacing at least a portion first fluid in well bore from described well bore,Wherein said spacer pad in the yield-point that has under 80 ℉

    [27 ℃

    ] higher than the yield-point of described first fluid under 80 ℉

    [27 ℃

    ].

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