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A Novel Fracturing Fluid with High-Temperature Resistance for Ultra-Deep Reservoirs

Lian Liu1,2, Liang Li1,2, Kebo Jiao1,2,*, Junwei Fang1,2, Yun Luo1,2

1 Northwest Oilfield Branch, China Petroleum & Chemical Corporation, Urumqi, 830011, China
2 Sinopec Key Laboratory for Enhanced Recovery in Fractured and Cavernous Reservoir, Urumqi, 830011, China

* Corresponding Author: Kebo Jiao. Email: email

(This article belongs to the Special Issue: Advances in Seepage Mechanism and Numerical Simulation of Unconventional Reservoirs)

Fluid Dynamics & Materials Processing 2024, 20(5), 975-987. https://doi.org/10.32604/fdmp.2023.030109

Abstract

Ultra-deep reservoirs play an important role at present in fossil energy exploitation. Due to the related high temperature, high pressure, and high formation fracture pressure, however, methods for oil well stimulation do not produce satisfactory results when conventional fracturing fluids with a low pumping rate are used. In response to the above problem, a fracturing fluid with a density of 1.2~1.4 g/cm was developed by using Potassium formatted, hydroxypropyl guanidine gum and zirconium crosslinking agents. The fracturing fluid was tested and its ability to maintain a viscosity of 100 mPa.s over more than 60 min was verified under a shear rate of 170 1/s and at a temperature of 175°C. This fluid has good sand-carrying performances, a low viscosity after breaking the rubber, and the residue content is less than 200 mg/L. Compared with ordinary reconstruction fluid, it can increase the density by 30%~40% and reduce the wellhead pressure of 8000 m level reconstruction wells. Moreover, the new fracturing fluid can significantly mitigate safety risks.

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APA Style
Liu, L., Li, L., Jiao, K., Fang, J., Luo, Y. (2024). A novel fracturing fluid with high-temperature resistance for ultra-deep reservoirs. Fluid Dynamics & Materials Processing, 20(5), 975-987. https://doi.org/10.32604/fdmp.2023.030109
Vancouver Style
Liu L, Li L, Jiao K, Fang J, Luo Y. A novel fracturing fluid with high-temperature resistance for ultra-deep reservoirs. Fluid Dyn Mater Proc. 2024;20(5):975-987 https://doi.org/10.32604/fdmp.2023.030109
IEEE Style
L. Liu, L. Li, K. Jiao, J. Fang, and Y. Luo "A Novel Fracturing Fluid with High-Temperature Resistance for Ultra-Deep Reservoirs," Fluid Dyn. Mater. Proc., vol. 20, no. 5, pp. 975-987. 2024. https://doi.org/10.32604/fdmp.2023.030109



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