2011
DOI: 10.1016/j.earscirev.2011.06.001
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Pore pressure prediction from well logs: Methods, modifications, and new approaches

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Cited by 401 publications
(184 citation statements)
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“…Later on, many empirical and theoretical equations and applications for fracture gradient prediction were presented (Haimson and Fairhurst 1967;Matthews and Kelly 1967;Eaton 1969;Anderson et al 1973;Althaus 1997;Pilkington 1978;Daines 1982;Breckels and van Eekelen 1982;Constant and Bourgoyne 1988;Aadnoy and Larson 1989;Wojtanowicz et al 2000;Barker and Meeks 2003;Fredrich et al 2007;Wessling et al 2009;Keaney et al 2010;Zhang 2011;Oriji and Ogbonna 2012). We only review some commonly used methods in the following sections.…”
Section: Hubbert and Willis' Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…Later on, many empirical and theoretical equations and applications for fracture gradient prediction were presented (Haimson and Fairhurst 1967;Matthews and Kelly 1967;Eaton 1969;Anderson et al 1973;Althaus 1997;Pilkington 1978;Daines 1982;Breckels and van Eekelen 1982;Constant and Bourgoyne 1988;Aadnoy and Larson 1989;Wojtanowicz et al 2000;Barker and Meeks 2003;Fredrich et al 2007;Wessling et al 2009;Keaney et al 2010;Zhang 2011;Oriji and Ogbonna 2012). We only review some commonly used methods in the following sections.…”
Section: Hubbert and Willis' Methodsmentioning
confidence: 99%
“…(13)] can be used as the lower bound of fracture pressure (or gradient) (Zhang et al 2008;Zhang 2011). The average of the lower bound and upper bound of fracture pressures can be used as the most likely fracture pressure (Zhang 2011) …”
Section: Upper and Lower Bounds Of Fracture Gradientmentioning
confidence: 99%
“…W 1975 roku Eaton zaproponował następujący związek empiryczny pozwalający na szacowanie gradientu ciśnienia porowego na podstawie czasu interwałowego fali akustycznej [16]:…”
Section: Szacowanie Ciśnienia Porowego Na Podstawie Oporności Szacowaunclassified
“…Biot's coefficient is the ratio of the volume change of the fluid filled porosity to the volume change of the rock when the fluid is free to move out of the rock. It is conventionally assumed a = 1 in many geopressure studies (Zhang, 2011;Azadpour et al 2015). Bowers (2001), on the other hand, used an empirically determined method to calculate the effective pressure with the following relationship between the effective stress and sonic velocity for disequilibrium compaction setting:…”
Section: Theory and Methodsmentioning
confidence: 99%