Consolidating Spacer Fluids and Methods of Use
First Claim
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1. A method of evaluating a spacer fluid for use in separating a drilling fluid and a cement composition in a well bore comprising:
- providing the spacer fluid, wherein the spacer fluid comprises kiln dust; and
measuring a transition time and/or zero gel time of the spacer fluid.
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Abstract
Disclosed are spacer fluids and methods of use in subterranean formations. Embodiments may include use of consolidating spacer fluids in displacement of drilling fluids from a well bore annulus.
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Citations
20 Claims
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1. A method of evaluating a spacer fluid for use in separating a drilling fluid and a cement composition in a well bore comprising:
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providing the spacer fluid, wherein the spacer fluid comprises kiln dust; and measuring a transition time and/or zero gel time of the spacer fluid. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method of evaluating a plurality of spacer fluids for use in separating a drilling fluid and a cement composition in a well bore comprising:
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providing the plurality of spacer fluids; measuring a transition time, zero gel time and/or compressive strength of each of the spacer fluids; selecting one spacer fluid from the plurality of spacer fluids, wherein the selected one of the spacer fluids comprises at least one kiln dust selected from the group consisting of cement kiln dust and lime kiln dust; and using the selected spacer fluid to separate the drilling fluid and a cement composition in a well bore. - View Dependent Claims (17, 18, 19, 20)
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Specification