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the claim
Fluid pressure in fractured rock reservoirs is determined exclusively by hydrostatic pressure.
the verdict
REFUTED
the evidence says no
Recorded sources
0 sources for · 12 against
Is it true that fluid pressure in fractured rock reservoirs is determined exclusively by hydrostatic pressure?
No. Fluid pressure in fractured rock reservoirs is not determined exclusively by hydrostatic pressure; rather, it is significantly influenced by tectonic stresses, poroelastic rock deformation, overpressure, and stress sensitivity.
Verdict: REFUTED · 0 sources for, 12 against · Last checked
The analysis
Judged against the evidence record for claims of this kind.
Evidence against · 12
It shows pore-pressure distribution is affected by formation heterogeneity, anisotropy, stress sensitivity, and depletion.
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Izadi, Z. & Aghighi, M. A. (2014). International Journal of Mining and Geo-Engineering: A Novel Integrated Approach to Modelling of Depletion-Induced Change in Full Permeability Tensor of Naturally Fractured Reservoirs. International Journal of Mining and Geo-Engineering. http://ijmge.ut.ac.ir/article_53087_5893b5121bf3e1576a7fdd868c5495cb.pdf
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More against · 11
It explains fluid flow is influenced by complex in-situ stress conditions, not exclusively hydrostatic pressure.
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Ma, H., Wang, J., Qian, J., Feng, P., Tan, X., & Luo, Q. (2022). Lithosphere: Effects of Confining Pressure on Permeability in a Single Fracture Based on the Deformation of Hydraulic Aperture at Low Fluid Velocities. Lithosphere. https://doi.org/10.2113/2022/4655543
It specifies low pressure coefficients varying around 1.02 to 1.03 rather than purely hydrostatic conditions.
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MINGZHE, H., XIAOPING, Y., WENFENG, M., MENGMEI, X., XUAN, W., & YUHAN, L. (2025). Youqicang pingjia yu kaifa: Application of integrated geological-engineering fracturing technology in low-rank coal of Erlian Basin. Youqicang pingjia yu kaifa. http://www.pred.com.cn/thesisDetails#10.13809/j.cnki.cn32-1825/te.2025.06.013
It shows fluid transport is affected by nanopore confinement, stress sensitivity, and threshold pressure gradients.
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Ren, Y., Fan, J., Xiao, Z., Liu, F., Zhang, X., & Zhang, Y. (2026). Energies: A Coupled Multi-Mechanism Modeling Study for the Fractured Horizontal Well in Shale Oil Reservoirs. Energies. https://doi.org/10.3390/en19051376
It highlights fluid overpressure and the coupling effect of tectonic stress and fluid pressure.
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LUO, Y., ZHAO, Y., CHEN, H., & SU, H. (2015). Petroleum Exploration and Development: Fracture characteristics under the coupling effect of tectonic stress and fluid pressure: A case study of the fractured shale oil reservoir in Liutun subsag, Dongpu Sag, Bohai Bay Basin, Eastern China. Petroleum Exploration and Development. https://doi.org/10.1016/S1876-3804(15)30006-9
It explicitly models interactions of rock stress and matrix pore/fracture pressures.
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OpenAIRE: A General Purpose Single-Phase Naturally Fractured (Carbonate) Reservoir Simulator With Rigorous Treatment of Rock-Stress/Fluid-Pressure Interactions and Interporosity Flow. (1985). OpenAIRE. https://doi.org/10.2118/13528-ms
It incorporates non-linear poroelastic deformation and anisotropic stress states on fluid pressure.
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OpenAIRE: Numerical Simulation of Fully Coupled Fluid-Flow/Geomechanical Deformation in Hydraulically Fractured Reservoirs. (2005). OpenAIRE. https://doi.org/10.2118/94062-ms
It demonstrates that stress effects dominate fluid behavior and acoustic responses in fractured rocks.
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OpenAIRE: The role of stress and fluid saturation on the acoustic response of fractured rock. (2023). OpenAIRE. https://doi.org/10.3389/feart.2023.1058984
It notes production and depletion alter effective stresses and pore pressures, deviating from simple statics.
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Bohnsack, D., Potten, M., Freitag, S., Einsiedl, F., & Zosseder, K. (2021). Stress sensitivity of porosity and permeability under varying hydrostatic stress conditions for different carbonate rock types of the geothermal Malm reservoir in Southern Germany. peer-reviewed literature. https://doi.org/10.1186/s40517-021-00197-w
It details poroelastic coupling and fluid pressure diffusion driven by compliant fractures and matrix properties.
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Chapman, S., Lissa, S., Fortin, J., & Quintal, B. (2024). Poroelastic Response of a Fractured Rock to Hydrostatic Pressure Oscillations. peer-reviewed literature. https://doi.org/10.1029/2024GL109992
It shows pore-fluid pressure and stress loading are coupled with tectonic activity and gas reservoirs.
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G, D. L., T, V., T, M., G, R., A, L., J, V., & A, Z. (2025). 3D structure and dynamics of Campi Flegrei enhance multi-hazard assessment.. peer-reviewed literature. https://doi.org/10.1038/s41467-025-59821-z
It models dynamic geomechanical effects where stress state alterations and void spaces impact reservoir pressure.
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Lukin, S., Oshmarin, R., Tugarova, M., Dubinya, N., & Chebyshev, I. (2015). Modeling of Effective Pressure Effect on Deformation Mechanisms of Fractured Reservoirs. peer-reviewed literature. https://doi.org/10.2118/176604-ms
What does the evidence say?
Judged against the evidence record for claims of this kind.
Receipt History
first checked05 Aug 2026
judged → REFUTED · 1105 Aug 2026
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