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The AAPG/Datapages Combined Publications Database

Showing 5,194 Results. Searched 200,693 documents.

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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

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