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Development of a High-Temperature Thixotropic Cement Slurry System

Ping Lv1, Jiufei Liu2, Mengran Xu3,*, Hui Tian3,4, Huajie Liu3, Yuhuan Bu3, Zhuang Cai3, Junfeng Qu5

1 Institute of Petroleum Engineering Technology, Sinopec Northwest Oil Field Company, Urumqi, 830000, China
2 Xinjiang Branch of CNPC Chuanqing Drilling Engineering Company Limited, Korla, 841000, China
3 School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, 266580, China
4 Sinopec Shengli Petroleum Engineering Co., Ltd., Dongying, China
5 Henan Science and Technology Innovation Promotion Center, Zhenzhou, 450003, China

* Corresponding Author: Mengran Xu. Email: email

Fluid Dynamics & Materials Processing 2023, 19(11), 2907-2921.


Cementing carbonate reservoirs is generally a difficult task. The so-called thixotropic cement slurry has gained considerable attention in this regard as it can help to fix some notable problems. More precisely, it can easily fill the leakage layer; moreover, its gelling strength can grow rapidly when pumping stops, thereby increasing the resistance to gas channeling, effectively preventing this undesired phenomenon in many cases. High-temperature thixotropic cement slurry systems, however, are still in an early stage of development and additional research is needed to make them a viable option. In the present study, using a self-developed composite high-temperature thixotropic additive as a basis, it is shown that the compressive strength can be adjusted by tuning the proportion of silica sand, the high-temperature retarder, fluid loss additive and dispersant (compatible with the thixotropic additive). According to the tests, the developed high-temperature thixotropic cement slurry system has a 14 d compressive strength of 29.73 MPa at 150°C, and a thickening time of 330 min when the dosage of retarder is 2%. At the same time, the rheological property, water loss, permeability, water separation rate, and settlement stability of the cement slurry system meet the requirements of cementing construction.


Cite This Article

Lv, P., Liu, J., Xu, M., Tian, H., Liu, H. et al. (2023). Development of a High-Temperature Thixotropic Cement Slurry System. FDMP-Fluid Dynamics & Materials Processing, 19(11), 2907–2921.

cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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