Cement Slurries With Rheological Properties Unaffected by Temperature
- Haichuan Lu (CNPC Offshore Engineering Company) | Chengbin Xie (CNPC Offshore Engineering Company) | Yonghui Gao (CNPC Offshore Engineering Company) | Lirong Li (CNPC Offshore Engineering Company) | Haijin Zhu (CNPC Offshore Engineering Company)
- Document ID
- Society of Petroleum Engineers
- SPE Drilling & Completion
- Publication Date
- January 2016
- Document Type
- Journal Paper
- 316 - 321
- 2015.Society of Petroleum Engineers
- stability, cement slurry, high temperature, constant rheology, viscosity controller
- 4 in the last 30 days
- 690 since 2007
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The rheological properties of cement slurries usually vary greatly with the change of temperature. This not only increases the complexity of the cementing-job design, but also has side effects on cementing quality. To resolve this problem, a cement slurry with temperature-insensitive viscosity has been prepared by adding a type of thermosensitive viscosity controller (TVC). The experiments show that the cement slurry has relatively temperature-stable rheological properties and shows very little thermal thinning between 20 and 120°C. In addition, the thermally-stable-viscosity cement slurry has good stability and a performance that can meet the demands of well cementing. The cement slurry improves displacement efficiency and cementing design. It has been used successfully in the oil field, and the results show that the cementing-job quality is acceptable.
|File Size||957 KB||Number of Pages||6|
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