Sensor seismic continues with the proprietary software that had been developed by sensor geophysical ltd. Seismic data joint inversion for multicomponent seismic. Joint inversion in the seismic petrophysical integration context what has the driller in common with the problematic of seismic petrophysical integration finalized to the refinement of the seismic inversion process. Multicomponent 3d seismic interpretation of the marcellus. The near surface consists largely of quaternary soft depositions. Those studies allowed swave dataprocessing software to be developed, swave. Multicomponent technology can be applied in both reservoir development and exploration environments to help resolve many. He is a member of the american association of petroleum geologists aapg, society of exploration geophysicist seg and european association of geoscientists. The inversion forces the synthetic data to fit the. We are a highly experienced, independent software company specialising in depth conversion and seismic inversion software. Faculty and staff reservoir characterization project.
Spectral balancing of ps data in the july 2015 geophysical corner, the authors described the joint impedance inversion technique for using pp and psv seismic data, which yields p and s. Finally, multilinear regression analysis andor a neural network approach can be carried out using some of the generated seismic attributes for determination of density. Seismic reservoir characterization reservoir software cgg. Use our software to produce detailed models of reservoir character. Interwell is a seismic inversion and characterization software for reservoir. Stratigraphy and sedimentology sequence stratigraphy. This is the title of an example seg abstract using microsoft. Extract rock properties from seismic data using seismic inversion for prestack or fullstack analysis. A common assumption in wavepropagation problems is that the subsurface is approximately an acoustic medium. This is a list of free and opensource software for geophysical data processing and interpretation. We applied this workflow to a 3d multicomponent seismic data set from the duvernay play in the kaybob area in alberta, canada. Joint ppps prestack inversion produces very good estimates of the elastic properties.
Multicomponent seismic technology geophysical references series. We would like to thank hampsonrussell software for provid. Pp and ps joint velocity inversion for multicomponent. Cayros group offers geophysical services such as multicomponent seismic inversion, multiattribute analysis and avo modeling. Inversion of multicomponent seismic data and rockphysics. In some unconventional resource play areas, multicomponent seismic data calibrated with well logs are being used in the inversion process. The list is split into broad categories, depending on the intended use of the software and its scope of functions. Seismic attributes, avo, inversion techniques, multicomponent.
He is an active member of aapg and the society of exploration geophysicists. Integrating seismic acoustic impedance inversion and. Our ethos focuses on forging strong working relationships with our clients, to enable a process of feedback and continuous development of our software toolsets. Nine months ago, you finalized design for a new multicomponent seismic survey on your companys key land asset. Should multicomponent seismic data be recorded, after processing both pp and ps seismic data can be used for a joint impedance inversion. Software assisted electrofacies and rock type mapping on local and regional scale. The reservoir is embedded in a homogeneous, isotropic background medium that becomes heterogeneous and anisotropic after the pressure reduction. We would like to thank hampsonrussell software for providing the data used in. Crossplot analysis was carried out to establish the relationship between the seismically measured acoustic impedance, porosity, and other reservoir properties derived from the wells. Show full abstract multicomponent surface seismic data.
Specialists in depth conversion and seismic inversion software for the oil and gas industry. Leading edge processing and imaging approaches are applied to the 4c4d data to ensure that maximum information is extracted. Elastic fullwaveform inversion efwi of multicomponent seismic data is a powerful tool for estimating the subsurface elastic parameters with high accuracy. The seg advanced modeling program seam is a partnership between industry and seg designed to advance geophysical science and technology through the construction of subsurface models and generation of synthetic data sets. A numerical study of 3d elastic timelapse fullwaveform inversion using multicomponent seismic data. His expertise is in the areas of multicomponent seismic, seismic modeling, seismic inversion, surface seismic and vertical seismic profile vsp, processing and analysis. Software different software was used with the steps of multicomponent interpretation.
Interwell seismic inversion and reservoir characterization beicip. Consideration of azimuthal anisotropy, at least to an orthorhombic symmetry is important in exploring the naturally fractured and unconventional hydrocarbon reservoirs. The problem of such multicomponent inversion is, however, nonlinear, requires simultaneous optimization of multiple sets of data and has multiple optimal solutions. Multicomponent seismic workflow including ppand pswave interpretation plus. Inversion of multicomponent seismic time shifts for.
The execution of these steps was done with the aid of schlumberger petrel seismic to simulation software and hampsonrussell inversion software. Accurate estimation of density from the inversion of. Extend your analysis into the avo domain by generating shear impedance and. Seismic data joint inversion for multicomponent seismic data presented by satinder chopra. Gabriela daubeterre senior geoscientist ikon science. However, the inversion problem can be better constrained using. His professional interests include seismic data processing and inversion, sequence stratigraphy, amplitude vs.
Correspondingly, results of the multicomponent seismic inversion of vsp data may be generated throughout majority of the area of interest in proximity to the wellbore. First look at high resolution 3d multicomponent seismic. The tool to analyze pp and ps datasets simultaneously, and to create the vpvs sections was the promc package. Tgs is a leader in the area of multicomponent seismic processing with decades of processing experience behind them. Multicomponent seismic modeling and robust prestack. This is a processing flow developed by pgs which integrates advanced technology for highresolution velocity model building and depth imaging using reflections, refractions and multiples.
Such simultaneous optimization is better handled by a nondominated sorting genetic algorithm in comparison to the classical approach. Multicomponent joint inversion of pp and ps gathers and angle stacks, lithology determination and petroelastic modeling, azimuthal avo modeling and analysis, stochastic pre and post stack inversion. The subsequent interpretation procedure combines structural and inversion results with seismic derived lithologic parameters, such as the youngs modulus, poissons ratio, and brittleness index. Our workflow includes petrophysical analysis, joint ppps prestack inversion and neural network analysis. Fullwaveform inversion for borehole seismic data is an illposed problem and constraining the problem is crucial. Multicomponent seismic technology is extremely effective in reducing the risks involved in reservoir development, routinely extending the use of seismic data into the reservoir domain. Inversion and interpretation of multicomponent seismic. Joint multicomponent inversion for improved imaging from converted wave dataset. Practical interpretation of multicomponent seismic data. Resistivity and density estimation from multicomponent.
Seismic to simulation software and hampsonrussell inversion software. Pdf methods of multicomponent seismic data interpretation. Seismic reservoir characterization reservoir software. Us8576663b2 multicomponent seismic inversion of vsp data. Thus multicomponent seismic data are now acquired, both on land and offshore areas, processed and interpreted to address many of the challenges listed above. Advanced analysis modules in the software enable you to examine geometry effects, analyze geometry artifacts, generate synthetics, and build. Semonddual inversion applied to 2d multicomponent seismic data onshore libya.
Multicomponent technology can be applied in both reservoir development and exploration environments to help resolve many seismic and geological challenges. Pp and ps inversion was applied to the vertical and radial components to yield p impedance and s impedance. Integrating seismic acoustic impedance inversion and attributes for. Inversion and interpretation of multicomponent seismic data. For the data space, signal polarization information can be used to evaluate the data uncertainties. L15 pp and ps joint velocity inversion for multicomponent seismic data yaohui zhang 1 pgs seres division 738 highway 6 south suite 300 houston tx 77079 usa abstract a novel and robust method to extract p and s interval velocities from multicomponent seismic data via pp and ps joint velocity inversion is presented in this paper. We estimated resistivity from multicomponent 3d seismic data integrated with cores and wells data. Those studies allowed swave dataprocessing software to be developed, s wave. Constraints can be imposed on the data and model space through covariance matrices. Consistency of pp and ps times and amplitudes during the joint ppps inversion. Stewart university of calgary, calgary, ab, canada summary. Under this assumption, important wave phenomena such as swaves are not included. Interpret multicomponent data to identify key geologic markers in complex.
Extract rock properties from seismic data using seismic inversion for prestack or. During this event correlation process, promc creates a 3d model of the vpvs velocity ratio. Recent research and developments in multicomponent seismic technology. During this event correlation process, promc creates a 3d. Us20110267921a1 multicomponent seismic inversion of vsp. Promc provides a unique set of functions to correlate each component of the seismic data to existing well control.
His area of research includes reservoir geophysics seismic attributes, avo, inversion techniques, multicomponent seismology, borehole geophysics well logging and borehole seismic. Elastic full waveform inversion of multicomponent obc. Ps data processing requires many special processing tools since the shearwaves are usually more sensitive than p waves to various issues such as statics, noise, receiver orientation, vti and hti anisotropy. Seismic modeling of expected p and modeconverted ps seismic response for your reservoir zone convinced you of the potential value for this survey. This software is called the crewes matlab software library cmsl and accompanies the textbook numerical methods of exploration seismology. Inversion and interpretation of seismicderived rock. Within the framework of this collaborative project with the lawrence livermore national laboratory llnl and stanford university, the colorado school of mines csm group developed and implemented a new efficient approach to the inversion and processing of multicomponent, multiazimuth seismic data in anisotropic media. Omni 3d seismic survey design software helps you create optimal 2d and 3d designs for land, marine, oceanbottom cable obc, transition zone, vertical seismic profile vsp, and multicomponent surveys. This provides information that is used in well planning for optimizing well paths and for selecting hydraulic fracture locations. That is, recording different components of the seismic wave field allowed. As noted above, the multicomponent seismic inversion of vsp data may be performed throughout the identified range 435 with the exception of the corner portion 4351. Avo inversion prestack simultaneous avo inversion from schlumberger software.
Static inversion also runs on multicomponent, wide, rich, and multiazimuth seismic surveys. A numerical study of 3d elastic timelapse fullwaveform. Multicomponent interpretation involves identifying key geologic markers on the pp wave and ps wave datasets. Notice that free and opensource requires that the source code is available. The multicomponent seismic survey was acquired in 2017 and is processed with an innovative workflow using complete wavefield inversion cwi. On the other hand, seismic inversion involves creating subsurface geological. Jim joined rcp and the geophysics department in april, 2017 as research associate professor. Full waveform inversion of multicomponent seismic data can, in principle, provide more robust estimates of subsurface elastic parameters and density than the inversion of single component p wave seismic data.
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