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The AAPG/Datapages Combined Publications Database

Showing 2,329 Results. Searched 200,619 documents.

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Parsimonious Deconvolution

Jon F. Claerbout

Southeast Asia Petroleum Exploration Society (SEAPEX)

... high frequency noise. Varimax deconvolution decreases the noise. More realistic estimated filters bτ and further noise reduction can be achieved...

1980

Deep learning seismic full-waveform inversion and transient EM joint inversion for near surface velocity modeling

Daniele Colombo, Ernesto Sandoval-Curiel, Ersan Turkoglu, Weichang Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... acoustic finite-difference modeling is performed with GeoInv3D (Pajot and Combre, 2014) where a minimum phase Ricker wavelet of 25 Hz peak frequency...

2022

Amplitude Recovery of Digitally Recorded Data

Roy O. Lindseth

Pacific Section of AAPG

... method is often discarded in the initial stages of data processing. Correct and incorrect methods are discussed together with the problems...

1972

A simultaneous wavefield separation and denoising approach for vertical seismic profile using geometric mode decomposition

Salman Abbasi, Jubran Akram, Andres Chavarria, Vikram Jayaram, Iftekhar Alam, Dmitry Borisov, Yanwei Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... Vertical seismic profiling (VSP) processing includes separation of downgoing and upgoing wavefield. Traditional methods for wavefield separation...

2024

Acoustic nonlinear full-waveform inversion on an outcrop-based detailed geological and petrophysical model (Book Cliffs, Utah)

Daria Tetyukhina, Stefan M. Luthi, Dries Gisolf

AAPG Bulletin

... that the eight lithotypes can be successfully recovered at a subseismic scale and with a low degree of processing artifacts. This technique can...

2014

Reviving an old Buffalo - Breathing new life into an old dataset with modern technology

R. McGee, H. Debenham, P. Hoiles, A. O'Neill, J. Miller, A. Padman

Petroleum Exploration Society of Australia (PESA)

..., with a large margin of error. As seismic processing, imaging technology and computing power has continued to advance, more sophisticated geophysical processes...

2019

Seismic inversion with implicit neural representations

Juan Romero, Wolfgang Heidrich, Nick Luiken, Matteo Ravasi

International Meeting for Applied Geoscience and Energy (IMAGE)

... be mathematically represented via the socalled convolutional model (Goupillaud, 1961). This entails the convolution of a source function or wavelet w...

2024

Gas Hydrates Exploration Using Continuous Wavelet Transform Based on Spectral Decomposition

Hafidz Dezulfakar, Muhazzib, Yulia Nur Fajrina

Indonesian Petroleum Association

...Gas Hydrates Exploration Using Continuous Wavelet Transform Based on Spectral Decomposition Hafidz Dezulfakar, Muhazzib, Yulia Nur Fajrina...

2016

Thickness Estimation Using Gradient of Spectral Amplitudes from Spectral Decomposition

Tri Wuri Asri Sulistyoati, Lita Novitasari, Sonny Winardhi

Indonesian Petroleum Association

.... In the frequency domain, the convolution theory dictates that the spectrum of the seismic trace is a multiplication of the reflectivity and the wavelet spectra...

2012

The Suizhong 36-1 Oil Field, Bohai Gulf, Offshore China: Reservoir Delineation by Geophysical Methods: Chapter 29

John B. Gustavson, Xin Shi Gang

AAPG Special Volumes

... and wavelet processing of the seismic data. Seismic-petrophysical analyses were carried out to relate the measurable seismic parameters to the subsurface rock...

1992

SPATIAL AND TEMPORAL SIGNIFICANCE OF PROCESS ICHNOLOGY DATA FROM SILTY-MUDSTONE BEDS OF INCLINED HETEROLITHIC STRATIFICATION, LOWER CRETACEOUS MCMURRAY FORMATION, NE ALBERTA, CANADA

ERIC R. TIMMER, MURRAY K. GINGRAS, JOHN-PAUL ZONNEVELD

PALAIOS

... in the ichnological time-series, two time-series analysis methods were employed: dynamic time-warping and continuous wavelet transforms. Dynamic time...

2016

Generalized internal multiple elimination

Dongliang Zhang, Constantinos Tsingas, Mohammed S. Almubarak

International Meeting for Applied Geoscience and Energy (IMAGE)

... value 𝜀 of one wavelet width is added to control the output. Since traces are only define from 0 to ∞ and the trace has the length 𝑙, the modified...

2022

Wolfcamp Stratigraphic Objectives in the Permian Basin: A Case Study from Pecos County, Texas

Philip H. Carlisle

West Texas Geological Society

... to the significant producer, had a sonic log, so this was utilized to make the first synthetic seismogram. Figure 8 shows the relationship of the wavelet versus...

2003

Automated velocity model building using Fourier neural operators

Guanghui Huang, Sean Crawley, Ramzi Djebbi, Jaime Ramos-Martinez, Nizar Chemingui

International Meeting for Applied Geoscience and Energy (IMAGE)

... is to construct high-resolution velocity fields with the minimal pre-processing of the data. Full waveform inversion (FWI) technology has evolved toward...

2023

Robust seismic data denoising based on factor group-sparse regularization

Mi Zhang, Yang Liuy, Jingming Liy, Gui Cheny

International Meeting for Applied Geoscience and Energy (IMAGE)

... theories have emerged one after another, such as predictive filtering, Fourier transform, wavelet transform, curve transformation, dictionary learning, neural...

2024

Post-migration seismic data conditioning through merged datasets: Enhancing accuracy and insight

Pamela Blanco Dufau, Heather Bedle, Kurt Marfurt

International Meeting for Applied Geoscience and Energy (IMAGE)

... attention during processing, as the different volumes are often acquired at different times with different hardware, acquisition geometries...

2024

Seismic monitoring of CO2 injections in a carbonate saline aquifer onshore Abu Dhabi

Guillaume Cambois, Jane Mason, James Cowell, Olivier Kirstetter, Mohamed Mahgoub, Muhammad Waqas, Abdulla Al Neyadi

International Meeting for Applied Geoscience and Energy (IMAGE)

... effectively removed multiples and wavelet variations. This level of repeatability could not be achieved when applying the same processing sequence...

2024

Interbed Multiple Suppression in Carbonate Sequences

Gabriel Gil

Unconventional Resources Technology Conference (URTEC)

... dedicated procedures for attenuating interbed multiples. Although more recent processing sequences may URTeC 4262785 2 include some steps...

2025

Abstract: Investigating the Low Frequency Content of Seismic Data with Impedance Inversion; #90187 (2014)

Heather J. E. Lloyd and Gary F. Margrave

Search and Discovery.com

... compared receiver types (four types of receivers) and source types (four types of sources) at very low frequencies. Data processing by CGGVeritas...

2014

Resolution and Accuracy of Short-Offset Processed 3D Seismic Data for Seabed Mapping in Deep Water in Makassar Straits, Indonesia; #41036 (2012)

Nikolay Nenov, Francesco Paone, Andrea Marceglia, and Ed Ferris

Search and Discovery.com

... processing parameters. For example, picking of the seabed horizon in relatively shallow water and on very steep slopes may be difficult, may require...

2012

Using Second-Order Adjoint State Methods in GPUS to Quantify Resolution on Full Waveform Inversions, #42034 (2017).

Sergio Abreo, Ana Ramirez, Oscar Mauricio Reyes Torres

Search and Discovery.com

... Order Adjoint State Method (SOASM) to obtain the Hessian matrix-vector products. This work makes use of Graphical Processing Units (GPUs) giving...

2017

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