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The AAPG/Datapages Combined Publications Database

Showing 18,829 Results. Searched 200,691 documents.

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Abstract: Enhanced Surface Seismic Data Processing Using Simultaneous Acquired DAS-VSP Data; #91204 (2023)

Gang Yu, Jinliang Xiong, Junjun Wu, Yuanzhong Chen, Yingshui Zhao

Search and Discovery.com

... viscoelastic compensation from one dimension to two dimensions. Mittet and Sollie (1995) used explicit convolution filtering in the frequency space...

2023

Resolution of InSAR data inversion and its application to identify shallow hazards

Zhishuai Zhang, Kurt Nihei, Andrey Shabelansky, Dimitri Bevc, Joe Stefani, William Milliken, Gwyn Mali

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the reservoir due to the filtering effect of the earth. The role of InSAR data inversion is to recover the high spatial frequency content of the reservoir from...

2022

Hydraulic fracture width determination using integration of Stoneley wave pressure testing with electrical borehole scans in FORGE Geothermal project

Brian E. Hornby

International Meeting for Applied Geoscience and Energy (IMAGE)

... volume measurements are needed. In addition high-frequency (say 2000 to 3000 Hz ranges) Stoneley wave processing can deliver useful curves that can be used...

2022

Sparse ocean-bottom node seismic interferometry and inversion: A Gulf of Mexico study

Ivan Lim Chen Ning, Justin Tan, Ranjan Dash

International Meeting for Applied Geoscience and Energy (IMAGE)

.... The nodes also record low-frequency ambient noise data that can be used for ambient noise interferometry to construct virtual shot gathers. We demonstrate...

2024

Prospect Investigation and De-Risking Using Cognitive Interpretation Workflows, Offshore Equatorial Guinea, #30507 (2017).

Tom Wooltorton, Stephen Leslie, Merritt Smith, Rachael A. Moore

Search and Discovery.com

...). The environments of deposition were revealed using frequency decomposition and RGB (Red, Green, Blue) blending, and this enabled sedimentary...

2017

A simultaneous denoising and event picking approach using supervised machine learning

Salman Abbasi, Motaz Alfarraj, Dmitry Borisov, Vikram Jayaram, Iftekhar Alam, Bakhtawer Sarosh

International Meeting for Applied Geoscience and Energy (IMAGE)

... problems (i.e., denoising and event detection) using a single network. A convolutional neural network is used to capture the high frequency times series...

2023

Marine Seismic Sources: Part I: Air-Guns for Non Experts

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... re 1 μPa-m vertically downward. The amplitude levels emitted horizontally tend to be 15-24 dB lower. These numbers are frequency dependent...

2010

Q-compensation imaging of anisotropic viscous quasi-acoustic media along wavefield propagation path

Bohan Zhang, Huazhong Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... media is solved in the frequency-space domain (Zhang et al., 2021), and the complex velocity is introduced to realize Q-compensation imaging in VTI...

2022

Near-surface modeling by surface wave tomography inversion in oil and gas exploration

Wen Peng, Le Li, Zhonglin Cao, Guangying Wang, Pengfei Duan, Heng Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... the ray path and travel time of the single frequency surface wave component, a tomographic inversion equation can be established to obtain a nearsurface...

2024

Three-Dimensional Seismic Modeling and Seismic Facies Imaging

Hongliu Zeng , Noel Tyler , Milo M. Backus

GCAGS Transactions

... of a seismic event can be checked by filtering the same data volume at different frequency ranges. Geologically, a time-parallel seismic event usually...

1995

The Utica - Point Pleasant Shale

Satinder Chopra, Ritesh Kumar Sharma, Hossein Nemati, James Keay, TGS

GEO ExPro Magazine

... the generation of a reliable low-frequency impedance model for impedance inversion, as well as for carrying out any neural network analysis for computation...

2018

Land seismic multi-parameter FWI imaging

Mason Phillips, James McLeman, Vlada Avramovic, Tom Rayment, Stuart Schmitt, Mike Varner, Yasser Khalifeh, Ahmad Ammar Chahine, Eskil Jersing

International Meeting for Applied Geoscience and Energy (IMAGE)

... removal (adaptive notch filtering), despiking, refraction static corrections, linear noise removal, random noise removal, surface-consistent...

2024

Optimal Configuration and Information Content of Sets of Frequency Distributions: DISCUSSION

Donald Bowles, Patrick Mclaren

Journal of Sedimentary Research (SEPM)

...Optimal Configuration and Information Content of Sets of Frequency Distributions: DISCUSSION Donald Bowles, Patrick Mclaren 1985 Vol. 55 No. 6...

1985

Hydrocarbon Type Discrimination Using AVO analysis, Sama Field, WDDM, Nile Delta, Egypt, #20335 (2015).

Mahmoud M. Hemdan, Mostafa El-Sadek, Islam Yehia, Ahmed Hosny, Islam Ali

Search and Discovery.com

... needed some conditioning before the AVO classification. The conditioning workflow included: frequency filtering, time alignments, and amplitudes...

2015

The Latemar high-frequency cycles revisited

Arndt Peterhansel, Sven O. Egenhoff, Thilo Bechstadt

CSPG Special Publications

...The Latemar high-frequency cycles revisited Arndt Peterhansel, Sven O. Egenhoff, Thilo Bechstadt 1997 219 219...

1997

Seismic prediction technology for shale gas double sweet spots: A case study of the Ordovician Ulalik Formation in the western margin of the Ordos Basin, China

Yutan Dou, Fei Li, Guanghong Du, Mengbo Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... multi-scale decomposition and multi-directional shown in Figure 4. The threshold value is obtained by the filtering in the frequency domain, which can...

2022

Cascaded Sweeps- A Method to Improve Vibroseis Acquisition Efficiency: A Field Test

M. Benabentos, F. Ortigosa, N. Moldoveanu, P. Munoz

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

.... Figure 3.Frequency-time display of the ground force measurement: the second harmonic is 30 dB lower in amplitude than the fundamental frequency. Based...

2006

Seismic Prospecting Review and Reflections on Future Events

L. W. Pfitzner

Petroleum Exploration Society of Australia (PESA)

... plays is frustrated and won't agree that it is of much use. He will find the noise level too high and the frequency content...

1977

Gabor Deconvolution: Surface-Consistent and Iterative

Search and Discovery.com

... as possible by estimating and removing the effects of filtering and attenuation in the earth and seismic recording system. The Gabor deconvolution method...

2013

Upscaling acoustic wave equation using renormalization group theory

Ajay Malkoti, Shravan M. Hanasoge, Rene Edouard Plessix

International Meeting for Applied Geoscience and Energy (IMAGE)

...’s parameter variations inside a Fresnel volume (Spetzler and Snieder, 2004), due to the finite-frequency nature of the seismic experiment. Numerically, we...

2022

Vaporchoc: Utilization of Steam as a New Seismic Source

P. Staron

Pacific Section of AAPG

... meters, chosen to adapt the surface reflection filtering to the normally desired spectrum. Figure 4 shows the demineralizer unit. The demineralization...

1972

The Geophysicists' Bane: Multiple Suppression on the North West Shelf

C. R. T. Ramsden, M. R. Hobson, R. Cooper

Petroleum Exploration Society of Australia (PESA)

.... If the multiples occur in a narrow frequency band, they can be attenuated either by simple bandpass filtering or, preferably, by spectral equalisation (Ramsden...

1988

Techniques of the Thumper in the Val Verde Basin

Weiman H. Reese

West Texas Geological Society

.... Record “C” shows 24 traces of random noise and signal, and their resulting composite. Record “D” is the same as “C”, but with filtering. Figure 2...

1959

Amplitude Versus Offset (AVO) Analysis: Part 7. Geophysical Methods

Allan T. Long, R. C. Anderson

AAPG Special Volumes

.... To further stabilize the wavelet, deconvolve the data to a desired target waveform with frequency cutoffs predetermined by knowledge of the input data's...

1992

EXTENDED ABSTRACT: Sub-basalt imaging from a wave propagation point of view; #90022 (2002)

Richard Hobbs, Francesca Martini

Search and Discovery.com

... the thicker basalt has preferentially lost high frequency energy, but in addition the wavefield is highly attenuated, distorted,and is seriously contaminated...

2002

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