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US 8,522,873 B2Granted
Spacer fluids containing cement kiln dust and methods of use
AssigneeHalliburton Energy Services, Inc.
InventorsJames Robert Benkley, Chad D. Brenneis, Craig W. Roddy
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Abstract
Disclosed are spacer fluids comprising cement kiln dust (“CKD”) and methods of use in subterranean formations.
Claims33
A method comprising:
- providing a spacer fluid comprising cement kiln dust and water;
- and
- introducing the spacer fluid into a well bore,
- wherein the spacer fluid has a higher yield point at bottom hole static temperature of the well bore than at 80° F.
1 more element
A method comprising:
- providing a spacer fluid comprising cement kiln dust and water;
- and
- introducing the spacer fluid into a well bore to displace at least a portion of a drilling fluid from the well bore, wherein the spacer fluid has a higher yield point at bottom hole static temperature of the well bore than at 80° F.
A method comprising:
- providing a spacer fluid comprising cement kiln dust, fly ash, and water;
- and
- introducing the spacer fluid into a well bore to displace at least a portion of a first fluid from the wellbore, wherein the spacer fluid has a higher yield point at bottom hole static temperature of the well bore than at 80° F.;
- and
- introducing a second fluid into the well bore, wherein the spacer fluid separates the first fluid from the second fluid.
2 more elements
Dependencies are inferred from the claim text.