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Wellbore Cement Compositions and Wellbore Cementing Methods

  • US 20160200959A1
  • Filed: 03/21/2016
  • Published: 07/14/2016
  • Est. Priority Date: 11/12/2013
  • Status: Active Grant
First Claim
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1. A wellbore cementing method comprising:

  • using a dry cement composition containing;

    substantially unhydrated cement powder; and

    retarder powder for cement, the retarder powder containing a retarder absorbed by solid carrier particles;

    adding water to the dry cement composition and forming a cement slurry; and

    placing the slurry in a wellbore and setting the placed slurry.

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