An approach for three-dimensional quantitative carbonate reservoir characterization in the Pampo field, Campos Basin, offshore Brazil

Danilo Jotta Ariza Ferreira, and Wagner Moreira Lupinacci

AAPG Bulletin

... and removes those contaminated by noise. The inverse Q-filtering routine used is based on the continuous wavelet transform, which allows limitation...

Merging inverse-Q filtering and deconvolution

A. R. Schoepp, G. F. Margrave

CSPG Special Publications

...Merging inverse-Q filtering and deconvolution A. R. Schoepp, G. F. Margrave 1998 167 168...

Abstract: Optimum Aperture Length for Improving Dispersion Curve Analysis in CMP Cross-Correlation of Surface Waves; #90187 (2014)

Roohollah Askari, Robert J. Ferguson, and Helen Isaac

Search and Discovery.com

... Waves to increase lateral resolution. Our approach is fast and we believe it is more robust in the presence of variable source wavelet and noise. We...

Kutei Basin: Feasibility Study of a Broadband Acquisition

Gilbert Del Molino, Fabri Ikhlas Gumulya, Dedy Sulistiyo Purnomo, Paolo Battini, Bonita Nurdiana Ersan, Francesca Brega, Ferdinando Rizzo, Giorgio Cavanna, Buia Michele

Indonesian Petroleum Association

... achievable and how to “fit” the 3D acquisition to elastic inversion? First question, resolution, is related to wavelet bandwidth, the broader the bandwidth...

Estimation of Reservoir Fluid Saturation from 4D Seismic Data: Effects of Noise on Seismic Amplitude and Impedance Attributes

Rafael Souza, David Lumley, Jeffrey Shragge

Petroleum Exploration Society of Australia (PESA)

... of different sources of uncertainties in the impedance domain, including: (1) seismic noise, (2) source wavelet and impedance inversion errors; and (3...

Applications of Kirchhoff Least-Squares Migration: Towards Reservoir Imaging; #42183 (2018)

Francesco Perrone, Graham Roberts, Lorenzo Casasanta, Andrew Ratcliffe, Arash Jafargandomi, Karen Purcell

Search and Discovery.com

... artifacts caused by the finite bandwidth of the source wavelet. A good data pre-processing sequence can handle some of these issues. However, even...

Estimation of detachment depths and displacements from the area–depth markers of contractional growth structures: Testing the “inverse line” concept

Sam Rivas-Dorado

AAPG Bulletin

...Estimation of detachment depths and displacements from the area–depth markers of contractional growth structures: Testing the “inverse line” concept...

The emergence and impact of scientific machine learning in geophysical exploration

Umair bin Waheed

International Meeting for Applied Geoscience and Energy (IMAGE)

... but also align with established physical laws (Jin et al., 2021). Similarly, SciML has found a number of applications in geophysical modeling and inverse...

Abstract: Full Waveform Inversion of Crosswell Seismic Data Using Automatic Differentiation; #90187 (2014)

Danping Cao and Wenyuan Liao

Search and Discovery.com

... on the accuracy and efficiency of the gradient computation. The adjoint state method has been introduced in the theory of inverse problems in the 1970s (Chavent...

Applications of Shallow High-Resolution Seismic Reflection to Environmental Problems

Richard D. Miller, William E. Doll, Carlene Merey, William E. Black

Environmental Geosciences (DEG)

... sections displayed in this paper (Mayne, 1962). The CDP method involves a time adjustment of wavelet arrivals (based on source-to-detector offset...

Improved Subsurface Imaging and Interpretability Through Broadband Reprocessing of Legacy Seismic Data: Examples from North West Shelf Australia

Stephen Malajczuk, Rajesh Saklani, Dean Clark, David Eastwell

Petroleum Exploration Society of Australia (PESA)

... wavelet has been obtained, it can be used within the trace-by-trace calculation of the inverse ghost operator. The data is transformed to tau-p space...

New Joint Categorical/Continuous Simultaneous Inversion Technology (Paper C9)

M. Kemper

Geological Society of Malaysia (GSM)

... can turn reflectivity Rpp(θ) in [1] into synthetic seismic Spp(θ) by convolving with wavelet W(θ): Spp(θ) = a W(θ)RAI + b W(θ)RSI + c W(θ)Rρ [2...

A novel vector PP imaging condition for elastic reverse-time migration

Bingkai Han, Weijian Mao, Xiao-Bi Xie

International Meeting for Applied Geoscience and Energy (IMAGE)

... the true model, in which multicomponent receivers are evenly distributed on the top of the model. Then, we inject the source wavelet and time-reversed...

Seismic expressions of a Miocene prograding carbonate margin, Mut Basin, Turkey

Xavier Janson, Gregor P. Eberli, Florence Bonnaffe, Fabrice Gaumet, Vincent De Casanove

AAPG Bulletin

... Basin, Turkey: Geofocus, Switzerland, Frigbourg, v. 3, 278 p.Beylkin, G., 1985, Imaging discontinuities in the inverse scattering problem by inversion...

The Use of Synthetic Sonic Logs Derived From Seismic Data in the Interpretation of Stratigraphic Variation in Cretaceous Carbonates of the North Field Area, Qatar: Chapter 14

Helena S. Aves, Daniel M. Tappmeyer

AAPG Special Volumes

.... METHODOLOGY In this study an inverse modeling technique was used to analyze interval velocity variation away from well control. The objective...

3-D Geomechanical Modeling for Field Development of a Colombian Shale Play

Leonardo Arias Medina, Azra N. Tutuncu

Unconventional Resources Technology Conference (URTEC)

... properties of the formations in the analysis. The results of the geomechanical model displays strikeslip (σh <σv<σH) and inverse (σv <σh<σH) stress regimes...

Seismic Attenuation Analysis for Reservoir Description

Search and Discovery.com

... of a seismic wavelet. It first estimates peak frequencies at a CMP location, then correlates the peak frequency with sparsely distributed...

SYNTHETIC SEISMOGRAMS

Search and Discovery.com

Noise Attenuation in Common Receiver Gather to Enhance S/N Ratio in Seismic Data

Dara Felisia A, Triswan Mardani Ade Surya, R.B.Fauzan Irshadibima, Firman Syaifuddin

Indonesian Petroleum Association

... Frequency filtering can improve the signal-to-noise ratio but it damages the vertical resolution, conversely the inverse filtering improves...

Abstract: 3D Delaware Basin Petroleum System Evoluton: Solution of the Basin Inverse Boundary Value Problem; #90257 (2016)

John D. Pigott, Kulwadee L. Pigott, Esra Yalcin, Michael T. Williams

Search and Discovery.com

...Abstract: 3D Delaware Basin Petroleum System Evoluton: Solution of the Basin Inverse Boundary Value Problem; #90257 (2016) John D. Pigott, Kulwadee L...

Geologically Driven Joint Inversion of Gravity, Seismic and Well Data: A Step Forward in Understanding of Geological Structure and Reducing E&P Risks

Search and Discovery.com

Geologically Driven Joint Inversion of Gravity, Seismic and Well Data: A Step Forward in Understanding of Geological Structure and Reducing E&P Risks; #70282 (2017)

Oleksandr Petrovskyy, Tetyana Fedchenko

Search and Discovery.com

... techniques. Thus filtration, regional-residual separation, analytical upward-downward continuation, Fourier and wavelet transforms are still used...

Abstract: How much well do you need in Acoustic Impedance Inversion?; #90174 (2014)

Heather J. E. Lloyd and Gary F. Margrave

Search and Discovery.com

... due to instrumentation errors and possible limitations of the source. Lindseth (1979) suggested that information from a nearby well log could be used...

Parsimonious Deconvolution

Jon F. Claerbout

Southeast Asia Petroleum Exploration Society (SEAPEX)

... of the equal sign is unknown. In conventional deconvolution, one presumes the existence of a filter at which is causal and inverse to bt (this is the minimum...

Application of Full Waveform Inversion to Resolve an Eroded Shallow Carbonate Platform, North Madura, East Java, Indonesia

David Cavalin, Nurrul Ismail, Tom Paten, Kola Agbebi, Dave Lim

Indonesian Petroleum Association

... and receiver ghosts were generated by the forward modeling. This modeling uses a ghost-free source wavelet and freesurface boundary at the top...