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The AAPG/Datapages Combined Publications Database
Showing 5,194 Results. Searched 200,693 documents.
Pliocene Shallow-Water Sediment Gravity Flows at Moss Beach, San Mateo County, California
Thomas J. Wiley, Ellen J. Moore
Pacific Section SEPM
... and pebbly sandstone, commonly massive, inversely graded, or inverse-tonormally graded but in places cross-stratified or tightly packed, which alternate...
1983
The "Resedimented Coarse Clastic Family", Facies, Processes and Depositional Models
Roger G. Walker
New Orleans Geological Society
... the type of grading (normal or inverse), the presence or absence of stratification (if present, its type, layer thickness and fabric; Walker, 1975a...
1976
A power-law fault model for Bayesian network geosteering in complex geology
Hugh Winkler
International Meeting for Applied Geoscience and Energy (IMAGE)
... information in the geosteering inverse problem. For two faulted examples in the Marcellus shale, we retrospectively compared our computed geosteering...
2022
Nonlinear LS-RTM based on the seismic scale separation and full-wavefield multiparameter FWI
ystein Korsmo, Yang Yang, Nizar Chemingui, Andrey Pankov, Antonio Castiello
International Meeting for Applied Geoscience and Energy (IMAGE)
...). This can be achieved by separating the tomography from the reflectivity kernel using Inverse Scattering Imaging Condition during the inversion process...
2022
Deep learning software accelerators for full-waveform inversion
Sergio Botelho, Souvik Mukherjee, Vinay Rao, Santi Adavani
International Meeting for Applied Geoscience and Energy (IMAGE)
... growth in the number of approaches that deploy neural networks to solve partial differential equations (PDE) and inverse problems constrained by PDEs...
2022
Reflection waveform inversion regularized with structural constraints and scattered data interpolation
Chengliang Wu, Huazhong Wang, Bo Feng, Ting Lei, Rongwei Xu, Shen Sheng
International Meeting for Applied Geoscience and Energy (IMAGE)
... model by minimizing an objective function, which measures the discrepancy between modeled and observed data. However, FWI is a strong nonlinear inverse...
2023
Production Forecasting in Shale Volatile Oil Reservoirs Using Reservoir Simulation, Empirical and Analytical Methods
Ibukun Makinde, W. John Lee
Unconventional Resources Technology Conference (URTEC)
...܍ ܜ where m and a are the slope and intercept of the log-log inverse material balance time (MBT) vs. time plot as in the expression below: ܙ ൌ ...
2016
A denoising diffusion probabilistic modeling (DDPM) approach for predicting CO2 plume evolution from seismic shot gathers
Alexander Y. Sun, Zi Xian Leong, Tieyuan Zhu
International Meeting for Applied Geoscience and Energy (IMAGE)
... generative model, is trained to learn the inverse mapping between the seismic gather shots and CO2 plume shapes, with quantification of the prediction...
2023
Hamiltonian Monte Carlo based time-lapse seismic FWI and uncertainty quantification in CO2 monitoring: A VSP feasibility study
Jinji Li, Kristopher A. Innanen
International Meeting for Applied Geoscience and Energy (IMAGE)
... is the inverse covariance matrix of the data and the model. (6) (8) We now can outline a fundamental workflow for implementing HMC in the context...
2024
On the stability of stress inversions from earthquake mechanisms and choosing the fault plane
Adam M. Baig, Sepideh Karimi, Aaron Booterbaugh
International Meeting for Applied Geoscience and Energy (IMAGE)
... terms approaching values of –1, between EE and EN as well as between EZ and NZ. These instabilities are perhaps more easily visualized in the Monte...
2024
Pre-Stack Inversion to Seismic Rock Type Predictability (SRT) Case Study: Gabus Zone 3B in Belanak Field
Baskoro Arif Kurniawan, Maria Fransisca Meirita, Aguslianto Efendy Harahap, Haniva Navilova, Willy Gunary Abadi
Indonesian Petroleum Association
.... Parabolic radon transform were chosen for this correction by running the noise suppression (noise pass 1) and multiple elimination (noise pass 2...
2019
Case Study: Implemented Anionic Slurried Friction Reducer in High-TDS Water Reduces Treating Pressure and Improves Surface Efficiency, Friction Reduction, and the use of Recycled Water
Michael Mast, Federico Zamar, Liang Xu
Unconventional Resources Technology Conference (URTEC)
..., commonly high TDS produced water. The most commonly used FRs in the Permian Basin are inverse emulsion partially hydrolyzed polyacrylamide (HPAM...
2020
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...
2014
Abstract: Simultaneous P-P and P-S Waveform Inversion Algorithm Using Pre-Stack Time Imaging Method ; #90187 (2014)
Hassan Khaniani, John C. Bancroft, and Eric von Lunen
Search and Discovery.com
..., Calgary, AB, Canada The methodology is fast compared to corresponding depth migration techniques in forward and inverse iterations however, since we...
2014
Abstract: Elastodynamic FWI Efficiency Study With Partial Stacking in 2D; #90224 (2015)
Vladimir N. Zubov, Gary F. Margrave, and Michael P. Lamoureux
Search and Discovery.com
... Inversion, as well as many other inverse problems in physics, is known for its mathematical and computational complexity. This contributes...
2015
-- no title --
user1
Search and Discovery.com
.... There are two approaches to perform the necessary time shift on the pre- migration seismic data. The first approach involves directly applying the inverse...
Unknown
New Models for Time-Cumulative Behavior of Unconventional Reservoirs Diagnostic Relations, Production Forecasting, and EUR Methods
Wajid Yousuf, Thomas A. Blasingame
Unconventional Resources Technology Conference (URTEC)
... (t ) [ q (t )] dt Arps' "Inverse Loss-Ratio" Function: D (t ) = 1 d q...
2016
Assessment of the Reliability of Reserves Estimates of Public Companies in the US and Canada
Diana Gomez, W. John Lee, Duane McVay
Unconventional Resources Technology Conference (URTEC)
... with the initial reserves estimates at time zero are presented in an inversecumulative distribution function (inverse-CDF) (Fig. 1). In this paper we will use...
2019
AAPG Archie Series, No. 1, Chapter 11: High-resolution Techniques
Q. R. Passey, K. E. Dahlberg, K. B. Sullivan, H. Yin, R. A. Brackett, Y. H. Xiao, and A. G. Guzmán-Garcia
AAPG Special Volumes
..., and most-likely LCM inverse solutions for the field data. • A low-resolution analysis (Chapter 12) can help validate the earth-model parameters...
2006
Current Trends in Geophysics
H. E. Stommel, J. M. Graul
Indonesian Petroleum Association
... processing, wavelet processing, coherency enhancement, attenuation analysis, multi-parameter color displays, forward and inverse modeling...
1978
Subsurface uncertainty quantification with deep geologic priors: A variational Bayesian framework
Ashutosh Tewari, Brent Wheelock, Jacob Clark, Dallas Foster, Matthew Li, Youssef Marzouk
International Meeting for Applied Geoscience and Energy (IMAGE)
.../multi-modality of the resulting inverse problems continue to present a formidable challenge for Bayesian methods. Towards the goal of scalable subsurface...
2022
Microseismic Event Location Using Multiple Arrivals: Demonstration of Uncertainty Reduction
Zhishuai Zhang, James W. Rector, Michael J. Nava
Unconventional Resources Technology Conference (URTEC)
... advanced processing, has been routinely conducted by industry. As an inverse problem, the microseismic event location in downhole monitoring can...
2015
AMS: A Petrofabric Tool to Measure Fabric Anisotropy Across Shale Units
Gerhard Heij, Douglas Elmore, Jennifer Roberts, Alex K. Steullet, Shannon A. Dulin, Sarah Friedman
Unconventional Resources Technology Conference (URTEC)
... of inverse AMS fabrics needs to be evaluated. A magnetic fabric is referred to as inverse when K1 parallels the pole to foliation and K3 parallels...
2015
Bayesian joint inversion of controlled source electromagnetic and magnetotelluric data to infer presence of a freshwater aquifer offshore New Jersey
Daniel Blatter, Kerry Key, Anandaroop Ray, Chloe Gustaffson, Rob Evans
Petroleum Exploration Society of Australia (PESA)
... is the uncertainty in the estimated model parameters. Most geophysical inverse problems are non-unique – meaning that, depending on how we choose...
2019
Bayesian geophysical inversion with Gaussian process machine learning and trans-D Markov chain Monte Carlo
Anandaroop Ray, David Myer
Petroleum Exploration Society of Australia (PESA)
... is the ability to model the earth with a low dimensional representation. There exist various approaches to solve the inverse problem. However, most methods do...
2019