hydraulic fracturing to determine - john t. foster...second cycle 2050 2000 1950 1900 8 1850 1800...
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Hydraulic fracturing to determine
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Hydraulic fracture initiation in vertical
well
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Leako� test (mini-frac, FIT, XLOT)
© Cambridge University Press (Fig. 7.2, pp. 211)Zoback, Reservoir Geomechanics
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from instantaneous shut-in pressure
© Cambridge University Press (Fig. 7.3, pp. 213)Zoback, Reservoir Geomechanics
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© Cambridge University Press (Fig. 7.3, pp. 213)Zoback, Reservoir Geomechanics
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Step-rate test
© Cambridge University Press (Fig. 7.5, pp. 216)Zoback, Reservoir Geomechanics
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Be careful!
When integrate density logs
© Cambridge University Press (Fig. 7.4, pp. 214)Zoback, Reservoir Geomechanics
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What about ?
so
or
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Does it work?Consider a system with compressibility
Answer: Not very well.