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The AAPG/Datapages Combined Publications Database

Showing 734 Results. Searched 200,357 documents.

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Acoustic target-level full-waveform inversion: Applied to ocean-bottom seismic data

Carlos A. N. da Costa, João M. de Araújo, D.J. Verschuur, Aydin Shoja

International Meeting for Applied Geoscience and Energy (IMAGE)

... along a depth level just above the target zone (da Costa et al., 2019). In this method, the upgoing wavefield is modeled locally by a convolution-type...

2024

Seismic Qualitative and Quantitative Analysis for Reservoir Characterization of Globigerina BH Gas Field, North East Java Basin.

Indra Sumantri, Okky Yuditya Pahlevi, Hendra Himawan, Vickry Rowi, Kian Han

Indonesian Petroleum Association

... and bedding, the next step is generating synthetic seismic section. For that purpose, the wavelet is needed in the convolution process. However...

2021

Replacing Decline Curve Analysis

Randy Hazlett, Umer Farooq, D. Krishna Babu

Unconventional Resources Technology Conference (URTEC)

... transient solution involved convolution and analytic inversion of the resulting Laplace transform. Farooq et al. (2020) extracted the two-dimensional...

2020

Inference of Induced Fracture Geometries Using Fiber-Optic Distributed Strain Sensing in Hydraulic Fracture Test Site 2

Stephen Bourne, Kees Hindriks, Alexei A. Savitski, Gustavo A. Ugueto, Magdalena Wojtaszek

Unconventional Resources Technology Conference (URTEC)

...l is stationary, such that ℒ(𝐱 𝑓 , 𝐱) = ℒ(𝐱 𝑓 − 𝐱), which permits obtaining solutions as a convolution using Fast Fourier Transforms, εi...

2021

Rock Thin-section Analysis and Mineral Detection Utilizing Deep Learning Approach

Fatick Nath, Sarker Asish, Shaon Sutradhar, Zhiyang Li, Nazmul Shahadat, Happy R. Debi, S M Shamsul Hoque

Unconventional Resources Technology Conference (URTEC)

... is followed by a 2x2 convolution that reduces the number of feature channels by half. This is then concatenated with the corresponding cropped feature...

2023

Theory and Methodology for Seismic Texture Analysis: Implications for Seismic Facies Visualization and Interpretation

Dengliang Gao

GCAGS Transactions

..., seismic texture is linked to stratigraphy via a wavelet convolution, and such a physical link holds the key and potential to characterize depositional...

2006

Abstract: Recovering Low Frequencies for Impedance Inversion by Frequency Domain Deconvolution; #90224 (2015)

Sina Esmaeili and Gary Frank

Search and Discovery.com

... to a convolution of earth’s reflectivity function with a known wavelet (Sheriff & Geldart, 1995). s(t )  r (t ) w(t ) , (1) where s(t ) is the recorded seismic...

2015

Methodology for Enhancing and Evaluating Geologic Effects of Time Series Models: A Case of Ground Response in Santa Clara Valley, California, #41097 (2012)

Olusola Samuel-Ojo, Lorne Olfman, Linda A. Reinen, Arjuna Flenner, David D. Oglesby, Gareth J. Funning

Search and Discovery.com

... of the input data and replaces it with the filtered value. Filters employ a convolution tool. Convolution is the operation of replacing each element...

2012

Deep Convolutional Neural Networks for Seismic Salt-Body Delineation; #70360 (2018)

Haibin Di, Zhen Wang, Ghassan AlRegib

Search and Discovery.com

... centered about each of the labelled seeds. Finally, these images are resampled to be 32 by 32 to facilitate the convolution and pooling operations used...

2018

Seismic Inversion Resolution Enhancement With (3S) Spectral Blueing, Spectral Balancing, and Stochastic Inversion on Fluvio Deltaic Environment

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

Indonesian Petroleum Association

... to obtain the difference spectrum. The difference spectrum represents the convolution operator's wavelet spectrum in performing spectral blueing. So...

2022

Optimization Method for Fracture-Network Design Under Transient and Pseudosteady Condition Using UFD Technique and Deep Learning Approach

Junlei Wang, Yunsheng Wei, Yuewei Pan, Wei Yu

Unconventional Resources Technology Conference (URTEC)

... kernel function is selected by calculating the average absolute relative error. URTeC 3853784 9 CNN. Convolution neural network (CNN) is a kind...

2023

Bayesian Variable Pressure Decline-Curve Analysis for Shale Gas Wells

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

Unconventional Resources Technology Conference (URTEC)

... into a constantpressure rate response. Once we have the constant-pressure response, we fit the rate-time model to it, and then apply convolution to include...

2023

Deposits of Deflected and Ponded Turbidityents, Currents, Sorbas Basin, Southeast Spain

Peter D. W. Haughton

Journal of Sedimentary Research (SEPM)

... divisions is sharp and is generally associated with loading, convolution, and a sudden increase in grain size. The sandstones are 0.1-0.8 m thick, and most...

1994

Synthetic Seismograms from Vibracores: A Case Study in Correlating the Late Quaternary Seismic Stratigraphy of the New Jersey Inner Continental Shelf

Dominic Esker , Robert E. Sheridan , Gall M. Ashley , Jeffrey S. Waldner , David W. Hall

Journal of Sedimentary Research (SEPM)

...-resolution seismic studies in strata that are seldom logged but are often cored. Interference convolution may produce seismic records with misleading...

1996

Some Patterns of Sulfur Isotope Distribution in Uranium Deposits1

S. Ralph Austin

Earth Science Bulletin (WGA)

.... This was interpreted as being actually a convolution in the roll front, cut by the pit wall. Subsequent mining showed that the convolution projected, much like...

1970

Identifying Spikes in Sonic Slowness and in Resistivity in the Tuscaloosa Marine Shale Using Continuous Wavelet Transform

Carol Wicks, Samiha Naseem

GCAGS Journal

... is a Fourier Transform windowing technique that uses variable sized windows. Mathematically, the wavelet analysis is a convolution of a wavelet function...

2017

Fast anisotropic viscoelastic modeling and application in quantitative seismic reservoir characterization

Sirui Tan, Sunwoong Lee, John E Anderson, Haiyang Wang, Olivier Burtz, Partha Routh, Rongrong Lu, Yang Yu

International Meeting for Applied Geoscience and Energy (IMAGE)

.... To calculate the time-domain convolution operations required by rheological models, a large number of memory variables are introduced (Yang et al., 2016...

2022

Seismic facies analysis method based on spectral clustering machine learning

Kaiheng Sang, Nanying Lan, Fanchang Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... that the acoustic model in speech signal processing is similar to the convolution model in seismic exploration, and the seismic reflection coefficient...

2022

Envelope full-waveform inversion of marine seismic data

Kai Xiong, David Lumley, Wei Zhou

International Meeting for Applied Geoscience and Energy (IMAGE)

.../10.1016/j.jappgeo.2014.07.010. Liu, D.-J., J.-P. Huang, and Z.-Y. Wang, 2020, Convolution based multiscale envelope inversion: Petroleum Science, 17...

2022

Comparison of Multi Azimuth 3D Survey With Conventional Single Azimuth Survey in a Complex Geological Area

Andrea Bergamaschi, Michele Buia

Indonesian Petroleum Association

... is much more adequate to overcome the geophysical challenges in the area. on data auto convolution, was included in the flow (one of the first...

2009

Leveraging legacy data: An onshore reprocessing case study from eastern Australia

Bahaa Soliman, Catalina L. Ocampo, Oscar Garcia, Andy Walz, Anthony Goodall, Emily Guidry

International Meeting for Applied Geoscience and Energy (IMAGE)

...) is a wave-equation prediction based on convolution and cross-correlation of recorded traces (Jakubowicz, 1998). As it does not rely on dip or velocity...

2022

Post Migration Processing of Seismic Data

Dashuki Mohd.

Geological Society of Malaysia (GSM)

... as a convolution of the source wavelet with a series of reflection coefficients. N-l x(n) = r(n) * wen) + n(n) = L r(n)w(n - k) + n(n) (1) k=O n = 0...

1994

Tulip Field 3D Coil Shooting Survey„Preliminary Data Processing Results

Michele Buia, Riccardo Vercesi, Michelle Tham, Dmitry Nikolenko, Andreas Tyasbudi Waluyo, Swee Leng Ng

Indonesian Petroleum Association

... volume of data ensured sufficient redundancy of available data for best matching traces for convolution in the multiple modeling process. The modeled...

2010

Seismic Modelling to Support the Interpretation of Seismic Data, Northeast Jambi Block 'B', South Sumatra

J. A. Harwijanto

Indonesian Petroleum Association

... mathematical manipulation of the logs results in a time series of reflection coefficients which by convolution with a seismic wavelet is converted...

1987

Low-frequency signal-guided seismic amplitude preservation optimization and its application in Paleogene reservoir prestack inversion

Xie Xiang, Zhang Zhongqiao, Qiao Zhu, Wang Jinghan

International Meeting for Applied Geoscience and Energy (IMAGE)

..., convolution is conducted with wavelet extracted from original data to achieve the consistency of the spectral characteristics at different incident angles...

2022

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