The effects of crack shape, aspect ratio and crack density are discussed using rock properties. Interface conditions for biots equations of poroelasticity boris gurevich the geophysical institute of israel, p. We describe a workflow that combines petrographic, petrophysical, geomechanical, and rock physics data to predict the 4d seismic response of a carbonate reservoir. Comparison between analytical and 3d finite element solutions for borehole stresses in anisotropic elastic rock o gaede, f karpfinger, j jocker, r prioul international journal of rock mechanics and mining sciences 51, 5363, 2012. Rock physics modeling for the elastic properties of organic shale at different maturity stages luanxiao zhao 1, xuan qin 2, dehua han, jianhua geng, zhifang yang 3, and hong cao abstract modeling the elastic properties of organic shale has been of longstanding interest for source rocks and unconventional reservoir characterization. Current issue society of exploration geophysicists. Matlab script package for greens functions and radiation patterns in poroelastic solids. Fluid substitution in rocks saturated with viscoelastic. The special collection includes a few of the seminal papers by j.
This paper describes a range of geophysical research activities at the australian resources research centre based around the development of an experim. A case study of the longmaxiwufeng shale in the fuling gas field, sichuan basin. Physical properties of rocks, friction and fracturing. Rock physics is an essential link connecting seismic data to the properties of rocks and fluids in the subsurface. Rock physics for reservoir exploration, characterisation and monitoring. Rockphysics modeling for the elastic properties of. Theoretical and numerical modelling of the effect of viscous and. Geophysical prospecting 61 rock physics for reservoir exploration. By boris gurevich, robert galvin, miroslav brajanovski, tobias mueller and gracjan lambert. Registration required to attend this sponsored event organized by. We know from laboratory work and theory that poor sorting can also in. Second, we obtain the frequency and temperaturedependent complex shear modulus of the pore. Seismic wave attenuation and dispersion resulting from wave. If the address matches an existing account you will receive an email with instructions to reset your password.
Rock physics principles help us to understand seismic wiggles in terms of rock properties like lithology, porosity, pore fluid. This is an important parameter in exploration geophysics as. Dina makarynska, boris gurevich, radim ciz, konstantin osypov, serge shapiro and eric saenger aseg extended abstracts 20071 1 4 published. Request pdf on jan 1, 2007, dina makarynska and others published rock physics modelling of elastic properties of rocks saturated with. Rock physics for the rest of us an informal discussion.
Application of statistical rockphysics to quantitative interpretation in thin reservoir chen qiyan, northwest branch. Jan is currently working with scott pickford in calgary, with a special enthusiasm for communicating technical concepts including avo, inversion, modeling, vsp and transfer filter processing, rock physics, and just about anything else that can be puzzling to the average bear. Gurevich graduated from moscow state university in 1952. Multiphysics characterization of an albian postsalt. As an amusing example, a debate at a workshop on rock physics of unconventional reservoirs held by the society of exploration geophysicists denver, colorado, october 2014 led to a vote of the attendees on whether they believe the gassmann. Our analysis suggests that commonly used rock physics theories such as gassmann equation and patchy saturation model are applicable to nanoporous media. We consider a rock as a solid matrix containing soft porescracks and intergranular contactssurrounded by isometric stiff pores. Build rock physics models and calibrate them to well data. Effective medium theory international association of rock. A comparison of rock physics models for fluid substitution in carbonate rocks article pdf available in exploration geophysics 412 june 2010 with 1,844 reads how we measure reads. Rock physics curtin reservoir geophysics consortium. Fluid substitution, dispersion, and attenuation in. Rockphysics modeling eva caspari, roman pevzner, boris gurevich, tess dance, jonathan ennisking, yildiray cinar, and maxim lebedev. The first part of the paper focuses on stochastic rock physics modelling of the seismic effects caused by a co 2 injection.
September 19, 1930 is a soviet and russian physicist. Challenges in deep and unconventional oilgas exploration seg prof. Rock physics aims to characterize rock properties based on the behavior of seismic waves propagating through them. Fluid substitution in rocks saturated with viscoelastic fluidsdina makarynska, boris gurevich, jyoti behura, and mike batzle, geophysics 75, e115 2010, doi. Stewart abstract two rock physics models for cracked media are investigated in this paper. A simple derivation of the effective stress coefficient for seismic. Start with a seismicpetrophysical model to derive optimal elastic properties for all lithologies including nonreservoirs. In 1984 he became a corresponding member of the ussr academy of sciences russian academy of. Abstract to study the effect of fractu,re fill on the elastic anisotropy of the rock and frequencydependent attenuation and.
Depositional impact on the elastic characteristics of the organic shale reservoir and its seismic application. Rock physics for reservoir exploration, characterisation. The crgc was founded in 1997 with the first funding commencing in 1998. Pdf analysis of fluid substitution in a porous and fractured medium.
Effective medium theory international association of. A simple derivation of the effective stress coefficient for seismic velocities in porous rocks. This cited by count includes citations to the following articles in scholar. Rock physics explore the link between reservoir properties and seismic data. Izvestija academy of sciences ussr, physics of the solid earth, 11. Director boris gurevich professor of petroleum geophysics. Boris gurevich curtin university verified email at curtin. Electrical formation factor of clean sand from laboratory. In 19952000 he was a research scientist at the geophysical institute of israel, where he focused mainly on diffraction imaging problems. Walsh as well as new contributions reporting recent advances in the general field of rock physics, emphasizing laboratory measurements and modeling of rock properties, friction and fracturing.
We aim to establish relationships in a statistical sense between the parameters of the injection reservoir, co 2 distribution e. Experimental mechanical compaction of sands and sandclay mixtures. Interface conditions for biots equations of poroelasticity. Robertsson professor of applied geophysics, eth zurich verified email at erdw. The ones marked may be different from the article in the profile. Box 2286, holon 58122, israel michael schoenberg schlumbergerdoll research, old quarry road, ridge. Introduction to the special issue advances in rock physics tobias muller angus. This requires consideration of how the composition of a rock dictates its stressstrain relationship and thus seismic response.
A co 2 sequestration feasibility study at the pohokura field, new zealand. In 1992 he proposed the theory of lightning initiation known as the runaway breakdown. Rock physics provides the connections between elastic properties measured at the surface of the earth, within the borehole environment or in the laboratory with the intrinsic properties of rocks, such as mineralogy, porosity, pore shapes, pore fluids, pore pressures, permeability, viscosity, stresses and overall architecture such as laminations and fractures. Elastic waves in a porous rock with aligned fractures l. Multiphysics characterization of an albian postsalt carbonate reservoir, brazil michael b. Boris gurevich has msc from moscow state university 1981 and phd from moscow institute of geosystems 1988. The attenuation and dispersion analyses in porous and fractured. Boris gurevich s 382 research works with 4,015 citations and 7,301 reads, including. Elastic properties of saturated porous rocks with aligned. Possibility of using of the measured frequency f instead of.
A research proposal submitted to a consortium of industrial companies. Elastic properties of saturated porous rocks with aligned fractures boris gurevich department of exploration geophysics, curtin university of technology, gpo box u1987, perth wa 6845, australia. In the following, we treat the case of pore space partially saturated with a viscous liquid volume fraction s fl and a much more compressible and inviscid gaseous phase volume fraction 1s fl. About the authors jan dewar graduated from the university of alberta in 1981 with a b. Data gathering ensures that the proper data is available in support of petrophysics and rock physics activities. This page contains scripts and codes relating to rock physics. Sep 30, 2015 rock physics is the science behind quantitative seismic interpretation. However, our solution is valid for a general viscoelastic.
Rock physics modelling of elastic properties of rocks saturated with. Boris gurevich has an msc in geophysics from moscow state university 1976 and a phd from institute of geosystems, moscow, russia 1988, where he began his research career 19811994. Using rock physics transforms boris gurevich, curtin university and csiro 11. These results are supported by optical data for watersaturated glass. Fluid substitution in rocks saturated with viscoelastic fluids. Exploration geophysics, wa school of mines science. Rock physics reception in dallas was organized by stephen gelinsky shell and local committees.
Seismic dispersion and attenuation in saturated porous rocks with aligned fractures of finite thickness. Vassily mikhaltsevitch maxim lebedev boris gurevich. Feasibility of co 2 plume detection using 4d seismic. Rock physics models for cracked media zimin zhang and robert r. Seismic wave attenuation and dispersion resulting from. Florian karpfinger and boris gurevich, curtin university version. The effect of pore fluids is of particular interest due to its applicability to the hydrocarbon.
Abstract success with heavy oil production depends as much on knowing the geology of reservoir as it does on. Effect of variations in microstructure on clay elastic anisotropy. Sahay the wave field of a point source that acts on the permeable free boundary of a biot half. In 1992 he proposed the theory of lightning initiation known as the runaway breakdown gurevich graduated from moscow state university in 1952. Seismic attenuation and dispersion in fluidsaturated. Rock physics provides the connections between elastic properties measured at the surface of the earth, within the borehole environment or in the laboratory with the intrinsic properties of rocks, such as mineralogy, porosity, pore shapes, pore. In many instances, natural fractures control the permeability of the reservoir, and.
Fifty standard 38 mm diameter x 60 mm long core plugs were provided from eight lithofacies in an albian age carbonate reservoir in offshore brazil. Experimental and theoretical rock physics research with. Muller, yibo wang, and huizhu yang slow shear waves in poroelasticity and the concept of dynamic permeability t. Benefits of integrating rock physics with petrophysics. Fluid substitution, dispersion, and attenuation in fractured and porous reservoirs insights from new rock physics models. Jan 17, 2019 the special collection includes a few of the seminal papers by j. Jan 01, 2018 seismic dispersion and attenuation in saturated porous rocks with aligned fractures of finite thickness. Boris gurevich, david cho, kyle spikes, michael kemper, stephan gelinsky, zee wang. His research interests include rock physics, poroelasticity, diffraction. In this section we provide a very basic summary of rock physics.
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