2012
DOI: 10.1111/j.1365-246x.2011.05346.x
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Microseismic estimates of hydraulic diffusivity in case of non-linear fluid-rock interaction

Abstract: S U M M A R YAs a rule, rock stimulation by fluid injection induces microearthquakes. Assuming that porefluid pressure diffusion is responsible for this phenomenon, one can use seismicity to estimate the hydraulic properties of rocks. Previously, for the estimation of hydraulic transport properties from the triggering front, it has been assumed that they are independent of time and pressure. However, fluid injections can strongly change permeability of rocks (e.g. hydraulic fracturing). In this paper, we inves… Show more

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Cited by 39 publications
(29 citation statements)
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“…The parameters A, B, and , are determined by a fit of functions (6) and (7) to the upper and lower boundaries of seismic clouds in corresponding r-t plots, respectively. [2009] and Hummel and Shapiro [2012] demonstrate that the parameter takes values between 1/3 and 1/2. While a value of = 1∕2 indicates linear fluid-rock interaction, the lower limit of = 1∕3 is obtained for seismicity induced by very strong nonlinear diffusion (n → ∞) of pore fluid pressure in 3-D media.…”
Section: 1002/2016jb012949mentioning
confidence: 99%
“…The parameters A, B, and , are determined by a fit of functions (6) and (7) to the upper and lower boundaries of seismic clouds in corresponding r-t plots, respectively. [2009] and Hummel and Shapiro [2012] demonstrate that the parameter takes values between 1/3 and 1/2. While a value of = 1∕2 indicates linear fluid-rock interaction, the lower limit of = 1∕3 is obtained for seismicity induced by very strong nonlinear diffusion (n → ∞) of pore fluid pressure in 3-D media.…”
Section: 1002/2016jb012949mentioning
confidence: 99%
“…In the fracturing process, besides the extension of hydraulic fracture, the pore pressure increment in the matrix can also break stress balance and produce microseismicity (Shapiro et al 2002;Hummel et al 2012). Shapiro et al (2009) analysed the microseismic signals of two types: (1) Pore pressure diffusion controlled type in which the microseismic distribution has a good agreement with pore pressure.…”
Section: Microseismicity Caused By Fluid Leakagementioning
confidence: 99%
“…pore pressure increment) would cause microcracking or sliding and produce the microseismicity. Rothert et al (2003) and Hummel et al (2012) took critical pore pressure as its criterion, in which the critical pore pressure value C represented the required pore pressure which brought rock failure; if pore pressure p exceeded the local criticality value, microcracking or sliding would happen and produce the microseismicity.…”
Section: Microseismicity Caused By Fluid Leakagementioning
confidence: 99%
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“…This power‐law model is motivated and supported by real data as such a behaviour can be observed and reproduced for hydraulic fracturing induced seismicity in the Barnett Shale. A cubic root of the time‐dependent triggering front is therefore a strong indication of a pressure‐dependent hydraulic transport (Shapiro and Dinske ; Hummel and Shapiro , ).…”
Section: Introductionmentioning
confidence: 99%