High temperature lightweight foamed cements
Patent
·
OSTI ID:867120
- Mastic Beach, NY
Cement slurries are disclosed which are suitable for use in geothermal wells since they can withstand high temperatures and high pressures. The formulation consists of cement, silica flour, water, a retarder, a foaming agent, a foam stabilizer, and a reinforcing agent. A process for producing these cements is also disclosed.
- Research Organization:
- ASSOC UNIVERSITIES INC
- DOE Contract Number:
- AC02-76CH00016
- Assignee:
- Associated Universities, Inc. (Washington, DC)
- Patent Number(s):
- US 4871395
- OSTI ID:
- 867120
- Country of Publication:
- United States
- Language:
- English
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