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The AAPG/Datapages Combined Publications Database

Showing 773 Results. Searched 200,691 documents.

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Shannon Sandstone in Wyoming: A Shelf-ridge Complex Reinterpreted as Lowstand Shoreface Deposits

Roger G. Walker, Katherine M. Bergman

Journal of Sedimentary Research (SEPM)

... section with the nearby subsurface Teapot Dome field (Fig. 1), where cores and well logs are available. Correlation with Teapot Dome is the first step...

1993

Petrofacies Units and Sedimentary Facies of the Late Mesozoic Strata West of Coalinga, California

Charles F. Mansfield

Pacific Section SEPM

..., four distinct lithofacies can be identified, which are arrayed in such complex relationships that detailed correlation is difficult; however...

1972

Practical Use of Borehole Seismic in Exploration; Goals and Shortcomings

F. Sandnes, L. Nustt, S. G. Henry

Indonesian Petroleum Association

... by level from the auto correlation function of the downgoing wavetrain. The operators are then applied to both the down and upgoing wavetrains...

1983

Reservoir Characterisation Through Integrated AVO, AI and EI Inversion

Andy Furniss

Indonesian Petroleum Association

... of calibrating inversion results to real-world data. Seismic reflection data is an interface property in which the recorded data are a convolution...

2002

From Chaos to Caves … An Evolution of Seismic Karst Interpretation at the Vorwata Field

Riangguna Eloni, M.R. Husni Sahidu, Ilham Panggeleng, Christopher S. Birt, Ted Manning

Indonesian Petroleum Association

... cave systems instead of tower karst features as previously interpreted on less well focused reflectivity data. These results show some correlation...

2016

Understanding the Petroleum System of North Serayu Basin: An Integrated Approach from Geology,Geophysic, and Geochemistry

Dimas A. R. Prawiranegara, Fauzan Eka Saputra, Fisco Raseno, Bayu Harry Utomo, Alfin Sani, Agung W. Wibowo

Indonesian Petroleum Association

... density rocks or fluids. Correlation between gravity and geological map shows the seepage occurs at anticlinal structure with positive anomaly (red colour...

2016

Machine-learning Facilitates Prediction of Geomechanical Properties Directly From SEM Images in Unconventional Plays

Heehwan Yang, Deepak Devegowda, Mark Curtis, Chandra Rai

Unconventional Resources Technology Conference (URTEC)

... is that convolution can process images so that the outcomes are translation invariant. This has led to wide adoption of CNNs for image classification...

2023

4D Finite Difference Forward Modeling within a Redefined Closed-Loop Seismic Reservoir Monitoring Workflow, #41922 (2016).

David Hill, Dominic Lowden, Sonika, Chris Koeninger

Search and Discovery.com

... acoustic attributes, and variations of well-log-based fluid-substitution and petrophysical modeling, 2) 1D convolution modeling and 3) 2D/3D point spread...

2016

The Role of Forward Seismic Modeling: Outcrop Analogs of Deep-Water Architectures; #51679 (2020)

Jamie K. Pringle, David A. Stanbrook

Search and Discovery.com

... element. From the detailed bed correlation shown in Figure A2 and combined with the photomontage interpretation shown in Figure A1, a generalized...

2020

Subsurface Structure of the Eastern Edge of the Zagros Basin as Inferred from Gravity and Satellite Data

Mohamed N. Bushara

AAPG Bulletin

... to the International Gravity Formula of 1967. Bouguer anomaly calculations are based on a constant density reduction of 2.67 g/cm3. Terrain and earth...

1995

Analyzing Dune Foreset Cyclicity In Outcrop With Photogrammetry

Derek A. Hayes, Eric R. Timmer, Jared L. Deutsch, Michael J. Ranger, Murray K. Gingras

Journal of Sedimentary Research (SEPM)

... the periodicities are determined based on the strength of the correlation coefficient at a given cyclicity in the dataset. Modified from Timmer et al. (2016). Bar...

2017

AAPG Memoir 76, Chapter 18: Velocity Estimation for Pore-Pressure Prediction

David W. Bell

AAPG Special Volumes

... illustrates another display useful in velocity work. If semblance calculations are made at close CMP spacing, it is possible to sort the data based...

2001

A New Approach To Quantify the Ordering State of Protodolomite Using XRD, TEM, and Z-Contrast Imaging

Yihang Fang, Huifang Xu

Journal of Sedimentary Research (SEPM)

... the convolution method on the constructed crystal. The script was developed by the Department of Material Science and Engineering, University of Wisconsin...

2019

Discovery Science of Hydraulic Fracturing and Shale Fundamentals

Mohamed Mehana, Javier E. Santos, Chelsea Neil, Matthew R. Sweeney, Jeffery Hyman, Satish Karra, Hongwu Xu, Qinjun Kang, James William Carey, George Guthrie, Hari Viswanathan

Unconventional Resources Technology Conference (URTEC)

... reservoirs. Wu et al. (2019) used convolution neural networks to estimate effective diffusivity using the LBM dataset. Besides the computational...

2021

Flexure of the Lithosphere: Chapter 5

Charles L. Angevine, Paul L. Heller, Chris Paola

AAPG Special Volumes

.... This method is based on the linearity of equation 5.2 and is sometimes referred to as a convolution. Consider the load distribution p(x) shown in Figure...

1990

An Analysis of a Seismic Reflection from the Base of a Gas Hydrate Zone, Offshore Peru (1)

JOHN J. MILLER , MYUNG W. LEE , and ROLAND VON HUENE

AAPG Bulletin

... and compared the resulting convolution to the observed seismic data. The reflection coefficients used for the synthetic seismograms are shown at the right...

1991

The use of spectral recomposition in tailored forward seismic modeling of outcrop analogs

Mark Tomasso, Renaud Bouroullec, David R. Pyles

AAPG Bulletin

.... Joseph, and J. C. LeComte, 2004, Three-dimensional full wave seismic modeling versus one-dimensional convolution: The seismic appearance of the Gres...

2009

Geostatistical Integration of Crosswell Data for Carbonate Reservoir Modeling, Mcelroy Field, Texas

William M. Bashore, Robert T. Langan, Karla E. Tucker, Paul J. Griffith

Special Publications of SEPM

... of the data because of the difficulty in transmitting seven simultaneous samples in real-time. Cross-correlation of the pilot signal with the recorded data...

1995

Pigeon Point Formation: An Upper Cretaceous Shoreline Succession, Central California Coast

John H. Tyler

Journal of Sedimentary Research (SEPM)

... convolution: Acad. Polonaise Sci. Bull., Ser. Sci. Geol. et Geog., v. 13, p. 135-139. FAGERSTROM, J. A., 1967, Development, flotation, and transportation...

1972

Intelligent Prediction of Shale Oil Fracturing Curves Based on A Sequence-to-Sequence Model

Leyi Zheng, Tianbo Liang, Yunjin Wang, Fujian Zhou, Junlin Wu, Bin Wang, Jiaming Zhang, Maoqin Yang, Gong Chen, Xingyuan Liang

Unconventional Resources Technology Conference (URTEC)

... the dilation rate of convolution kernels, TCNs can establish very large receptive fields, theoretically capable of capturing long-range dependencies...

2025

Current Trends in Geophysics

H. E. Stommel, J. M. Graul

Indonesian Petroleum Association

... from an air gun monitored signature, or like source) the theoretical seismogram is constructed by the process of convolution — essentially...

1978

Towards understanding the impact of the evanescent elastodynamic mode coupling in Marchenko equation-based demultiple methods

Marcin Dukalski, Christian Reinicke, Kees Wapenaar

International Meeting for Applied Geoscience and Energy (IMAGE)

... in the frequency domain or when combining fields, a convolution is replaced with a correlation. This is why (without undertaking additional steps – e.g....

2022

Internal multiple elimination with an inverse-scattering theory guided deep neural network

Zhiwei Gu, Liurong Tao, Haoran Ren, Ru-Shan Wu, Jianhua Geng

International Meeting for Applied Geoscience and Energy (IMAGE)

...* are the convolution and the correlation integral operator of R  with any wavefields, respectively.  is a small positive value to account for the finite bandwidth...

2022

A practical implementation of data-space Hessian in the time-domain formulation of source extended full-waveform inversion

Gaoshan Guo, Stephane Operto, Ali Gholami, Hossein S. Aghamiry

International Meeting for Applied Geoscience and Energy (IMAGE)

... is used (referred to as CG(i) , where i stands for the number of inner iterations). We first assess the effect of Hs in where ∗t denotes convolution...

2022

Fast Gauss-Newton full-wavefield migration

Siamak Abolhassani, Eric Verschuur

International Meeting for Applied Geoscience and Energy (IMAGE)

... convolution filter for each point in the image space to locally match a reference reflectivity model to its corresponding migration image. For a target...

2022

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