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Open AccessArticle

Ionic Fracture Fluid Leak-Off

Lavrentyev Institute of Hydrodynamics, Novosibirsk State University, Novosibirsk 630090, Russia
Trofimuk Institute of Oil and Gas Geology and Geophysics, Novosibirsk State University, Novosibirsk 630090, Russia
Author to whom correspondence should be addressed.
Fluids 2019, 4(1), 32;
Received: 10 January 2019 / Revised: 5 February 2019 / Accepted: 15 February 2019 / Published: 19 February 2019
PDF [915 KB, uploaded 23 February 2019]


The study is motivated by monitoring the space orientation of a hydrolic fracture used in oil production. Streaming potential arises due to the leakage of ionic fracking fluid under the rock elastic forces which make the fracture disclosure disappear after pumping stops. The vector of electric field correlates with the fracture space orientation since the fluid leakage is directed normally to the fracture surfaces. We develop a mathematical model for the numerical evaluation of the streaming potential magnitude. To this end, we perform an asymptotic analysis taking advantage of scale separation between the fracture disclosure and its length. The contrast between the virgin rock fluid and the fluid invading from the fracture is proved to be crucial in a build up of a net charge at the invasion front. Calculations reveal that an increase of the viscosity and resistivity contrast parameters results in an increase of the streaming potential magnitude. Such a conclusion agrees with laboratory experiments. View Full-Text
Keywords: ionic fluid flows in a porous medium; streaming potential; hydro-fracture ionic fluid flows in a porous medium; streaming potential; hydro-fracture

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Shelukhin, V.; Epov, M. Ionic Fracture Fluid Leak-Off. Fluids 2019, 4, 32.

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