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The AAPG/Datapages Combined Publications Database

Showing 734 Results. Searched 200,357 documents.

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Structure and Sedimentological History of the Overbank Deposits of a Mississippi River Point Bar

Pulak K. Ray

Journal of Sedimentary Research (SEPM)

..., the axial planes of the folds are almost horizontal (Fig. 7). The intensity of convolution increases upwards within a depositional unit. In a vertical section...

1976

Acoustic and Elastic Modeling of Seismic Time-Lapse Data from the Sleipner CO2 Storage Operation

R. J. Arts, M. Trani, R. A. Chadwick, O. Eiken, S. Dortland, L. G. H. van der Meer

AAPG Special Volumes

... interpretation of the time-lapse data has included synthetic seismic modeling to derive CO2 distributions in the reservoir. Convolution-based modeling...

2009

A novel method for digitizing sedimentological graphic logs and exporting into reservoir modeling software

Aly Abdelaziz, Greg M. Baniak, Thomas F. Moslow, Alessandro Terzuoli, and Giovanni Grasselli

AAPG Bulletin

... a digitized version. The work presented herein minimizes user interaction and capitalizes on Python as a scripting language, along with convolution...

2024

Abstract: Inserting Stratigraphic Deconvolution into the Possessing Flow to Improve the Resolution of AVO; #90172 (2014)

Norm Kalmanovitch

Search and Discovery.com

... such as time variant spectral whitening are applied, because processes that do not conform to convolution make the data less suitable for match filter...

2014

Abstract: Inverse scattering Internal Multiple Prediction on Physical Modeling Data; #90174 (2014)

M. Hernandez, K. Innanen, and J. Wong

Search and Discovery.com

... of the wavelet. The key to understand how this algorithm predicts the internal multiples just with the data itself is to realize that the convolution...

2014

Abstract: Fourier Domain Regularization 5D and More; #90174 (2014)

V. Khatchatrian

Search and Discovery.com

... into the frequency domain and then into the multi-dimensional wave number domain. This final spectrum is a result of the convolution of the full data spectrum...

2014

Abstract: A Seismic Workstation Solution to Bakken AVO; #90174 (2014)

D. Meisinger and N. H. Kalmanovitch

Search and Discovery.com

... but this is down by 15dB as a result of the phase distortion above the 85 Hz level as depicted on the phase plot. A match filter is a simple convolution operator...

2014

Abstracts: Ground Roll Attenuation Using LWD; #90173 (2015)

Ken Kocon and M. Sacchi

Search and Discovery.com

.... The full reconstruction of the data, , is given by , where t denotes time and x denotes offset. Notice that 2D convolution is used to translate...

2015

Abstracts: Blind L1-norm Multichannel Deconvolution for Seismic Source Function Estimation; #90173 (2015)

Jaime Meléndez Martínez

Search and Discovery.com

... making any a priori assumption of its phase. Introduction A seismic signal s t can be represented as where * means convolution, wt is the seismic wavelet...

2015

Abstracts: Fractional Fourier Transform in Coherent Noise Attenuation; #90173 (2015)

K. H. Miah and M. D. Sacchi

Search and Discovery.com

... transform and time-frequency representations: IEEE Signal Processing Letters, 42, 3048-3091. Almeida, L. M., 1997, Product and Convolution Theorems...

2015

Abstract: Time-Reversal Extrapolation for Microseismic Event Localization; #90224 (2015)

Zhenhua Li and Mirko van der Baan

Search and Discovery.com

... - Adapt, Refine, Sustain Calgary, Alberta, Canada, May 12-16, 2014 wave equations (van Manen et al., 2006a). Equation (1) is usually called convolution...

2015

Reprocessing the East Coast Canada Stonehouse Survey with 3D SRME and Hybrid Layer Tomography PreSDM; #41549 (2015)

Todd Mojesky, Ali Karagül, Bill Goodway, Chris Szelewski, Martin Dashwood

Search and Discovery.com

... introduced by Delft University in 1992. The method is a “data-driven” program that uses a form of surface-consistent auto-convolution to predict...

2015

Squeezing More Information Out of 3D Seismic Data with a Match Filter and Possibly Squeezing More Oil Out of Oil Pools; #41562 (2015)

Norm Kalmanovitch, John Townsley

Search and Discovery.com

... to optimize our 3D data set by a process called a match filter. A match filter is a simple convolution filter that is designed on the amplitude spectra...

2015

A Deep Learning-Based Surrogate Model for Rapid Assessment of Geomechanical Risks in Geologic CO2 Storage

Fangning Zheng, Birendra Jha, Behnam Jafarpour

Carbon Capture, Utilization and Storage (CCUS)

.... The contracting path is a standard convolutional network, featuring a series of convolution operations followed by a Leaky Rectified Linear Unit (Leaky-ReLU...

2024

Structural Analysis Using Spatial Filtering in Interior Plains of South-Central Alberta

J. E. Robinson , H. A. K. Charlesworth , M. J. Ellis

AAPG Bulletin

... in the distance domain is accomplished by the process known as convolution. For instance, an input consisting of a single spike is convolved with a filter...

1969

Increasing The Resolution of Seismic Imaging With Spectral Blueing, Spectral Decomposition RGB And HSV Blending to Delineate The Fluvial Facies on Fluvio Deltaic Environment

Aji Darma Maulana, Nine Safira, Ongki Ari Prayoga, Egie Wijaksono, Alit Ascaria

Indonesian Petroleum Association

... method utilizes the convolution process for the wavelet whose amplitude spectrum has been increased so that the blue spectrum component has the same...

2022

Delineation of the Reservoir by Seismic Methods: Chapter 3

Roberto Sarmiento

AAPG Special Volumes

... the reflection arrives. This signal is processed with the proper convolution operator. The resulting shaped wavelet is compressed and shifted; its...

1989

A New Approach to Apply Decline-Curve Analysis for Tight-Oil Reservoirs Producing Under Variable Pressure Conditions

Leopoldo M. Ruiz Maraggi, Mark P. Walsh, Larry W. Lake

Unconventional Resources Technology Conference (URTEC)

... the constant-pressure response, we fit the rate-time model to it, and then apply convolution to include back pressure variations to history-match and forecast...

2023

Parsimonious Deconvolution

Jon F. Claerbout

Southeast Asia Petroleum Exploration Society (SEAPEX)

... the final observations yt are made. Letting* denote convolution, we have (1) X t * b t + u t = y t where everything on the left...

1980

Research on reservoir prediction based on compressed sensing and inversion theory

Qing Zhou, Jianli Wang, Qian Yu, Heng Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the reserves in the N2m formation. Method According to the convolution model, the seismic record can be expressed as the convolution of the seismic...

2022

VSP Guided Reprocessing and Inversion of Surface Seismic Data

R. Gir, Dominique Pajot, Serge Des Ligneris

Southeast Asia Petroleum Exploration Society (SEAPEX)

... of depth to that reflector. The seismogram consists of the convolution of a source wavelet, w(t), with the reflection coefficient series in the presence...

1988

Aiding self-supervised coherent noise suppression by the introduction of signal segmentation using blind-spot networks

Sixiu Liu, Claire Birnie, Tariq Alkhalifah, Andrey Bakulin

International Meeting for Applied Geoscience and Energy (IMAGE)

...: standard CNNs (e.g., Li et al., 2018; Richardson and Feller, 2019; Sun et al., 2020), Denoising Convolution Neural Network (DnCNN) (Yuan et al., 2021...

2022

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