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dc.contributor.authorGholami, Raoof
dc.contributor.authorMoradzadeh, A.
dc.contributor.authorRasouli, Vamegh
dc.contributor.authorHanachi, J.
dc.date.accessioned2017-01-30T14:51:53Z
dc.date.available2017-01-30T14:51:53Z
dc.date.created2015-05-21T20:00:36Z
dc.date.issued2014
dc.identifier.citationGholami, R. and Moradzadeh, A. and Rasouli, V. and Hanachi, J. 2014. A new approach to determine geomechanical parameters of Vertical Transverse Isotropic media using VSP data. Journal of Applied Geophysics. 111: pp. 183-202.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/41456
dc.identifier.doi10.1016/j.jappgeo.2014.10.008
dc.description.abstract

Conventionally, high frequency Dipole Shear sonic Imager (DSI) logs are used for anisotropic modeling where fast and slow shear wave's velocities are required. However, the results obtained from a DSI log are restricted to a specific and possibly short interval of the wellbore. The aims of this paper are to use Vertical Seismic Profile (VSP) data and show its application in geomechanical analysis of subsurface layers under anisotropic condition. After processing and separating upgoing and downgoing P- and S-waves, a methodology based Vertical Transverse Isotropic (VTI) condition was presented to determine elastic stiffness parameters. Having stiffness parameters determined, elastic modulus, strength and in-situ stress parameters were estimated and calibrated against the field and core sample data. Although the VSP based geomechanical parameters were calibrated against the real field data, the accuracy of the method cannot be as much as that of the well logs. However, the method presented in this paper may become a very good asset for geomechanical evaluation of the intervals where well log data are not available.

dc.publisherElsevier
dc.titleA new approach to determine geomechanical parameters of Vertical Transverse Isotropic media using VSP data
dc.typeJournal Article
dcterms.source.volume111
dcterms.source.startPage183
dcterms.source.endPage202
dcterms.source.issn0926-9851
dcterms.source.titleJournal of Applied Geophysics
curtin.departmentCurtin Sarawak
curtin.accessStatusFulltext not available


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