Journal Article10.1016/J.PETROL.2005.10.018
Experimental and theoretical rock physics research with application to reservoirs, seals and fluid processes
Kevin Dodds,David N. Dewhurst,Anthony F. Siggins,Radim Ciz,Milovan Urosevic,Boris Gurevich,Donald H. Sherlock +6 more
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TL;DR: In this article, the authors describe a range of geophysical research activities at the Australian Resources Research Centre based around the development of an experimental capability to validate theoretical and numerical modelling predictions of the geophysical properties of reservoirs and seals.
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About: This article is published in Journal of Petroleum Science and Engineering. The article was published on 01 May 2007. The article focuses on the topics: Seismic attribute & Seismic to simulation.
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Citations
Geomechanical and ultrasonic characterization of a Norwegian Sea shale
TL;DR: In this article, the authors performed triaxial tests on horizontal core plugs of a shale from the Norwegian Sea with a view to evaluating rock strength and the evolution of ultrasonic response during rock deformation.
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Estimation of the damage of a porous limestone from continuous (P- and S-) wave velocity measurements under uniaxial loading and different hydrous conditions
TL;DR: In this article, the damage of a porous rock (Euville oolitic limestone) was studied through uniaxial stress cycling tests and the damage was monitored in a really precise and continuous way through the evolution of dynamic and static elastic moduli.
Estimation of the damage of a porous limestone using continuous wave velocity measurements during uniaxial creep tests
TL;DR: In this article, the damage of oolitic limestone during quasi-instantaneous compressive tests and multi-step creep tests was studied using an experimental device which enabled the simultaneous and continuous measurement of strains and elastic wave velocities under mechanical loading and controlled hydrous conditions.
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Gas channels and chimneys prediction using artificial neural networks and multi-seismic attributes, offshore West Nile Delta, Egypt
TL;DR: In this article, the authors used both supervised and unsupervised neural networks for the first time in the West Delta Deep Marine (WDDM) concession to identify the spatial dimensions of the gas-bearing channels and the detection of gas chimneys across the seismic profiles.
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Influence of microheterogeneity on effective stress law for elastic properties of rocks
TL;DR: In this article, the authors explore whether this deviation of the effective stress coefficient from unity can be caused by the spatial microheterogeneity of the rock and show that only a small amount (less than 1%) of a very soft component is sufficient to cause this effect.
References
Saturation, pore pressure and effective stress from sandstone acoustic properties
TL;DR: In this paper, the Biot effective stress coefficient was used to measure the relationship between velocity and different Vp/Vs ratios in saturated and dry sandstones under varying pore pressure, and it was shown that higher velocity is caused by loss of compliance in microfractures due to stiffening by increasing fluid pressure.
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Velocity anisotropy and attenuation of shale in under- and overpressured conditions
TL;DR: In this article, the seismic velocity and attenuation of fully saturated shales were measured for the first time under overpressured conditions, using the ultrasonic reflection technique, with errors less than 0.3% and 0.1dB/cm, respectively, at a frequency of 0.75MHz.
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Geomechanical properties related to top seal leakage in the Carnarvon Basin, Northwest Shelf, Australia
TL;DR: The Muderong Shale is the regional top seal in the Carnarvon Basin on the Northwest Shelf of Australia as mentioned in this paper, and it is assumed that pre-existing faults and fractures may well be critically stressed in the present-day stress field.
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Hysteresis in the Velocity-Pressure Characteristics of Rocks
TL;DR: In this article, it was shown that the velocity of elastic waves depends not only on the present values of the internal and external pressures but also on the past pressure history of the sample.
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