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The AAPG/Datapages Combined Publications Database
Showing 4,715 Results. Searched 195,387 documents.
Finite Difference Modeling: Part II: How to clean numeric time dispersion
Lasse Amundsen, Ørjan Pedersen, Martin Landrø
GEO ExPro Magazine
... wavefield at frequency . Finally, an inverse Fourier transform gives the temporally dispersionfree wavefield in time. Digital Filtering Mittet (2018...
2018
Generating a New Approach for Continuous Reservoir Model Updating: Non-Gaussian Priors & Nonlinear Data Functions in EnKF (Paper P17)
S. Forghany, A. A. Asgari, T. Behrouz
Geological Society of Malaysia (GSM)
... and since it is known as an inverse problem, a Bayesian framework is suitable for finding a solution. A Bayesian framework for stochastic reservoir...
2012
Abstracts: Footprint Removal with Co-ordinate Rotation; #90173 (2015)
Mark Ng and Ye Zheng
Search and Discovery.com
...., SW, Calgary, AB, Canada, T2P 0R3 [email protected] and Ye Zheng [email protected] Summary Some of the effective footprint removal filtering...
2015
Fusion of Airborne Gravity and Magnetic Images for Improved Detection of Structural Control; #41550 (2015)
Hassan Hassan, John Peirce
Search and Discovery.com
... the inverse wavelet transform to obtain the fused image. 4. Filter the resulting image and interpret for structural control. Results The final fused gravity...
2015
The deblending processing of multi-well 3D DAS-VSP data in the Middle East
Fei Li, Gang Yu, Haibo Liu, Jiawen Song, Yanbin Zhang, Yuanzhong Chen, Tiankui Yin, Jianxin Han, Qingfeng Li
International Meeting for Applied Geoscience and Energy (IMAGE)
...; an α-Trimmed vector median filtering method has also been proposed to suppress the interference of adjacent shot, which can better preserving...
2023
S/N RATIO AND BANDWIDTH CONSIDERATIONS WHEN UTILIZING SEISMIC DATA IN EXPLORING FOR SUBTLE TRAPS - EXAMPLES FROM THE KNOX PLAY
Edward R. Tegland, Exploration Development, Inc., S. Pikes Peak Dr., Parker, CO Patrick H. Bygott, Exploration Development, Inc., S. Pikes Peak Dr., Parker, CO
Ohio Geological Society
... to variations primarily in the implementation of the source and near surface geology. Inverse filtering again is a solution...
1999
Abstract: Push the Limits of Seismic Resolution Using Surface Consistent Gabor Deconvolution; #90171 (2013)
Xinxiang Li and Darren P. Schmidt
Search and Discovery.com
... for simplicity. Equations of the form (3) for all available traces construct a classic linear inverse problem (Wiggins et al, 1976) that can be solved using...
2013
Abstract: 5D Interpolation and Regular Upsampling: Ill-suited or Fit-for-purpose?; #90187 (2014)
Mike J. Perz and Peter W. Cary
Search and Discovery.com
.... On the other hand, there are two factors driving the algorithm towards success: first, simple wavenumber filtering can overcome this assumption...
2014
On Traction-Carpet Sedimentation
Y. K. Sohn
Journal of Sedimentary Research (SEPM)
... the thickness of a moving traction carpet. Inverse grading can be produced in the collisional region by the vertical gradient of dispersive pressure...
1997
Use of SEISLOG for Basin Evaluation and Field Development
R. C. Mummery
Geological Society of Malaysia (GSM)
... FOR BASIN EVALUATION AND FIELD DEVELOPMENT 153 The inverse model uses the seismic reflection coefficients to derive velocity using the relationship...
1987
Abstract: Development of Inverse Grading in Grain Flows, by A. H. Sallenger, Jr.; #90968 (1977).
Search and Discovery.com
1977
Abstract: Inverse Problem Theory: An Application to Stratigraphic Inversion
Emmanuelle Becker
Geological Society of Malaysia (GSM)
...Abstract: Inverse Problem Theory: An Application to Stratigraphic Inversion Emmanuelle Becker 208 INVERSE PROBLEM THEORY: AN APPLICATION...
1991
Abstract: Full-Waveform Inversion of Field Data in the Foothills: Results and Challenges with Long-Offset Seismic; #90172 (2014)
Andrew J. Brenders, R. Gerhard Pratt, Sylvestre Charles
Search and Discovery.com
... to the non-linearity of the inverse problem, success in waveform inversion is dependent on acquiring both low-frequency data and on initial low...
2014
3-D Surface-Wave Estimation and Separation Using an Iterative Closed-Loop Approach; #41898 (2016)
Tomohide Ishiyama, Gerrit Blacquiere
Search and Discovery.com
..., the approach solves the inverse problem. We applied this method to several data sets to demonstrate its virtues, such as real 3D geophone/hydrophone...
2016
Gravity Geophysical Analysis of Spring Locations in a Karstic Desert Basin, Cuatro Cienegas Basin, Coahuila, Mexico
Brad D. Wolaver, John M. Sharp Jr., Juan M. Rodriguez
GCAGS Transactions
..., Preliminary results from a shallow, high-resolution seismic survey and potential field data filtering near Devil's Hole at Ash Meadows, Nevada...
2006
Abstract: Different Flavors of the Marchenko-Equation-Based Internal Multiple Elimination Methods: the Trade-off between Fidelity, Computational Cost and Ease of Use; #91204 (2023)
Marcin Dukalski, Chris Reinicke
Search and Discovery.com
... which can impact the interpretation. In such cases, the conventional methods such as the inverse scattering series (ISS) or the Jakubowicz method...
2023
Abstract: Early Syndepositional Fault Control in a Deep-Water Channel-Overbank System: Implications for the Interpretation of Inverse Grading, by M. Dykstra and F. Gamberi; #90090 (2009).
Search and Discovery.com
2009
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)
... PP imaging noises. But explicit angle-domain wavefield decompositions influence its computational efficiency. On the other hand, the inverse scattering...
2023
The use of FWI in coal exploration
Mehdi Asgharzadeh, Maryam Bahri, Milovan Urosevic
Petroleum Exploration Society of Australia (PESA)
... inverse term G AEGC 2018: Sydney, Australia g [G ( p )T G ( p ) ]1 G ( p )T in equation 9 relates the deviation of the data 2 Δd [d g (m(P...
2018
Diagenesis of Mixed-Layer Clay Minerals in the South Timbalier Area, Gulf of Mexico
Matthew W. Totten, Mark Dixon, Mark A. Hanan
GCAGS Transactions
... separations consisted of filtering the less than 10 μm pan fraction with a 0.45 μm acetate filter, then washing the material off the filter into a 50 ml...
2005
Stacking common-image gathers via the flatten-illumination-similarity method
Chengliang Wu, Huazhong Wang, Bo Feng, Chao Ning, Xianggong Tang
International Meeting for Applied Geoscience and Energy (IMAGE)
... optimization algorithms that come with high computational costs. Conventional migration imaging can be seen as the result of filtering by the Hessian...
2023
Comparison of potential fields inversion techniques for basement relief recovery: A case study from the Taubaté Basin, Brazil
Fernanda C. M. Hermes, Guilherme Lenz, Leonardo Miquelutti, Marco Cetale
International Meeting for Applied Geoscience and Energy (IMAGE)
... that allows a visual analysis of the data. It offers a wide variety of tools for processing and interpreting gravimetric data, such as filtering, inverting...
2023
A deep learning-based inverse Hessian for full-waveform inversion
Mustafa Alfarhan, Matteo Ravasi, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
...A deep learning-based inverse Hessian for full-waveform inversion Mustafa Alfarhan, Matteo Ravasi, Tariq Alkhalifah A deep learning-based inverse...
2023
Application of time-lapse full waveform inversion of vertical seismic profile data for the identification of changes introduced by CO2 sequestration
Anton Egorov, Andrej Bóna, Roman Pevzner, Stanislav Glubokovskikh, Konstantin Tertyshnikov
Petroleum Exploration Society of Australia (PESA)
... inversion package (Köhn 2011). Multiscale approach is applied by filtering the data with low-pass filters in time domain (Bunks, et al. 1995...
2018
Applied Geostatistics Method for Clastic Gas Reservoir Facies Modeling of Middle Arang Formation of TS Gas Field, West Natuna Basin
Tigor Siagian, Ali Taha Al-Temimi, Abdulaziz Al-Mousawi, Sonny Winardhi
Indonesian Petroleum Association
... data only scattered at the crest of the structure. This causes uncertainty regarding the final results of the modeling. Therefore, Inverse-Q...
2017