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Method for cementing a well

  • US 5,103,908 A
  • Filed: 06/14/1991
  • Issued: 04/14/1992
  • Est. Priority Date: 09/21/1989
  • Status: Expired due to Fees
First Claim
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1. A method of performing a cement job on a well so that a cement slurry is made and placed in the well, said method comprising the steps of:

  • (a) flowing cement and water through a mixer into a tub to provide a first body of cement slurry;

    (b) flowing a portion of the first body of cement slurry into a displacement tank to provide a second body of cement slurry;

    (c) flowing the second body of cement slurry from the displacement tank into the well;

    (d) flowing displacement fluid into the displacement tank; and

    (e) flowing displacement fluid from the displacement tank into the well behind the cement slurry to place the cement slurry at a desired location in the well.

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