2000
DOI: 10.1016/s1365-1609(00)00009-5
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Core quality: quantification of coring-induced rock alteration

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Cited by 77 publications
(52 citation statements)
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“…Parallel bonds were inserted in the sample with initial axial stress 30 MPa and lateral stress (isotropic) 15 MPa. Input parameters are fitted to give good agreement with experimental simulations (Holt et al, 2000a) with analogous synthetic sandstone formed under the same stress conditions. The shear and tensile bond strengths were chosen equal to 8 MPa, with a standard deviation of ± 8 MPa.…”
Section: Reservoir Rock Deformability and Stress Pathmentioning
confidence: 88%
See 1 more Smart Citation
“…Parallel bonds were inserted in the sample with initial axial stress 30 MPa and lateral stress (isotropic) 15 MPa. Input parameters are fitted to give good agreement with experimental simulations (Holt et al, 2000a) with analogous synthetic sandstone formed under the same stress conditions. The shear and tensile bond strengths were chosen equal to 8 MPa, with a standard deviation of ± 8 MPa.…”
Section: Reservoir Rock Deformability and Stress Pathmentioning
confidence: 88%
“…An example of this is core damage, induced by the stress release occurring as the core is drilled. Holt et al (2000a) presented laboratory simulations where this problem was systematically studied by synthetic rocks manufactured under applied stress. Holt et al (2000b) showed that the main features of these laboratory experiments could be reproduced by use of PFC.…”
Section: Reservoir Rock Deformability and Stress Pathmentioning
confidence: 99%
“…To simulate the damage taking place when retrieving sandstone from in situ conditions and bringing it to the laboratory, Holt et al (2000) performed oedometric tests on three different artificial sandstones, all cured under stress. They found that damage occurred during unloading from the simulated in situ stress.…”
Section: Effects Of Cementation Historymentioning
confidence: 99%
“…This could be due to coring-induced damage. During the coring process the in situ stresses are completely released and as a consequence, micro-structural changes can alter the rock's mechanical properties beyond restoration (Holt et al, 1994;Holt et al, 2000).…”
Section: An Elastic-plastic Transitionmentioning
confidence: 99%