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The AAPG/Datapages Combined Publications Database

Showing 18,833 Results. Searched 200,619 documents.

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Abstract: Spectral Decomposition of Seismic Data with Wavelet-Packet-Like Transform; #90211 (2015)

Rongfeng Zhang

Search and Discovery.com

... several limitations when resolving thin bed seismic events. The STFT method uses a fixed window length for all frequency analysis, while the CWT method...

2015

Prospectivity of volcanic basins: Trap delineation and acreage de-risking

Max Rohrman

AAPG Bulletin

.... The effect is low-frequency pass filtering through a stack of basalt (Maresh and White, 2005). An early attempt (1980s) to seismically image below flood...

2007

Stacking common-image gathers via the flatten-illumination-similarity method

Chengliang Wu, Huazhong Wang, Bo Feng, Chao Ning, Xianggong Tang

International Meeting for Applied Geoscience and Energy (IMAGE)

... optimization algorithms that come with high computational costs. Conventional migration imaging can be seen as the result of filtering by the Hessian...

2023

Prediction and attenuation method of surface-related multiple based on characteristic reflector

Jian Xiang, Huazhong Wang, Chengliang Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

... prediction models and solve for the matched filter for adaptive subtraction. Some studies predict partial SRMs by filtering data to reduce the difficulty...

2024

Seismic deblending with a hard data constraint

Matteo Ravasi

International Meeting for Applied Geoscience and Energy (IMAGE)

... of interest remains coherent. Historically, deblending has been addressed using filtering or denoising techniques (Hampson et al., 2008; Huo et al...

2024

Integrated Interpretation in the Deep Water Gulf of Mexico Examples from the TGS Phase 45 Deep Water Reconnaissance Program

Brian S. Anderson, John E. Bain , Dr. David Hall, Rob Brooks

GCAGS Transactions

.... High-resolution results (Figs. 2 and 3) have required the development of new line leveling algorithms and filtering techniques to address low...

1997

The Seismic Exploration of the Mahakam Delta, or "Nine Years Shooting in Rivers, Swamps and Very Shallow Offshore"

Guy Roux

Indonesian Petroleum Association

... grounds, it is surprising to ascertain that no major coherent noise trains exist except a very low frequency and very low velocity "Ground Roll...

1977

A High Resolution Seismic Stratigraphy Study, Central Sumatra Basin Indonesia

Untung Suryanto, W. A. Wycherly

Indonesian Petroleum Association

... hole beneath the weathered layer can eliminate the severe high frequency filtering effect of the low velocity weathered layer. Under suitable field...

1984

Use of SEASAT-Derived Free-Air Gravity to Interpret the Crustal Structure of Southeast Asia

M. T. Angelich

Indonesian Petroleum Association

... and upper mantle with wavelengths of 100 to 1000 km. are most easily resolved. Quantitative interpretation proved unreliable due to the frequency...

1986

Modeling-based amplitude recovery (MBAR)

Yonghe Sun, Zhemin Tan, Jeff Nealon, James Davenport, Mark Fan, Yuli Zhang, Brian Church

International Meeting for Applied Geoscience and Energy (IMAGE)

... a measure to correct amplitude distortions in processed field data. Examples of processing that can benefit from MBAR include KMIG, RTM, F-K filtering...

2022

Fibre Optic Sensing

Henk Kombrink

GEO ExPro Magazine

... more.” GEO EXPRO 1-2024 | 19 COVER YPS RY L O R E M S T OU M Low-frequency DAS data is dominated by strain signals from depressurizing reservoirs...

2024

Deep learning approach to inverting flexural wave dispersion

Hengjian Zhang, Zhifen Sun, Xianzhi Li, Xiaofang Sun, Chu Wang, Ya Jin, Xiaofei Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... the cutoff frequency, accurate formation shear wave velocity and the complete shape of dispersion constrained by borehole propagation laws can still...

2024

Unsupervised machine learning for seismic facies classification using a 3D grid approach

David Manzano, Edgar Galvan, Dan Ferdinand Fernandez

International Meeting for Applied Geoscience and Energy (IMAGE)

... that describe characteristics such as amplitude, frequency, phase. With advances in ML, technology has emerged for applications to seismic facies...

2024

Abstract: Shear Log Estimation by Rock Physics Assist Machine Learning Approach an Offshore Abu Dhabi Case Study; #91204 (2023)

Hiroyuki Inoue

Search and Discovery.com

.... In this carbonate reservoir, it was known that low frequency model is principal information to characterize a fluid distribution by AVO inversion based...

2023

Air Pollution Problems of the Phosphate Industry

Ralph I. Smith

Utah Geological Association

... for the removal of solids are numerous. A long flue equipped with baffles and settling chambers may be used. A filtering system such as a bag house is effective...

1967

GPR surveys reveal the subsurface geology of major sea turtle nesting islands in the Saudi waters of the Arabian Gulf

Sherif Hanafy, Korhan Ayranci, Rommel H. Maneja, Ace Vincent B. Flandez, Jinoy Gopalan, Diego F. Lozano Cortes

International Meeting for Applied Geoscience and Energy (IMAGE)

... the GPR results. Introduction Ground penetrating radar (GPR) uses high-frequency EM pulses to image the subsurface. It has many applications such as geology...

2023

Seismic imaging profile noise suppression based on self supervised deep learning: a case study in the Yellow Sea

Qiang Xu

International Meeting for Applied Geoscience and Energy (IMAGE)

... with the interpretation and analysis of seismic signals. In past research, various methods, including traditional filtering approaches and signal processing...

2024

A high-resolution seismic investigation for shallow iron ore

Ashley Grant*, Sasha Ziramov, Milovan Urosevic

Petroleum Exploration Society of Australia (PESA)

... source peak frequency showed better temporal resolution, however, the spatial resolution was compromised due to irregular and sparse source coverage...

2019

Climate Change: Geoscientists Understand Longer-Term Perspectives

Graham Bradley

Petroleum Exploration Society of Australia (PESA)

... of cli mate change tightens if not accept" (who says?). Scientific method reefs. The first ca rbonate reefs formed in the frequency and int ensity...

2011

3.2 Basement Involved: 3.2.2 Basement Thrust and Reverse Faults: Seismic Profile: North Fork Area, Powder River Basin, Wyoming

D. S. Stone

AAPG Special Volumes

...   Frequency Filtering: 12-48 Hz 12-48 Hz Other:---     Migration:----     Source of Velocities...

1983

3.2 Basement Involved: 3.2.2 Basement Thrust and Reverse Faults: Seismic Profile: South Elk Basin

D. S. Stone

AAPG Special Volumes

... Distance: 1,600 m (5,250 ft) Static Correction: surface consistent Deconvolution: Frequency Filtering: 14 to 62 Hz Other: reverse polarity to positive...

1983

A Reappraisal of Dolomite Abundance and Occurrence in the Phanerozoic: DISCUSSION

Gerald M. Friedman

Journal of Sedimentary Research (SEPM)

..., Characteristics of deep-marine dolomite--discussion: Journal Sedimentary Petrology, v. 59, p. 879-881. FRIEDMAN, G.M., 1992, Significance of high-frequency...

1995

An Easily Constructed, Very Inexpensive, Solar Cell Transmissometer (SCT): RESEARCH METHODS PAPERS

Stephen C. Knowles, John T. Wells

Journal of Sedimentary Research (SEPM)

... SSC is rather slow and cumbsersome, and does not allow resolution of high-frequency variations. In contrast, the beam transmissometer has been used...

1998

Fracture Detection by Azimuthal Differential Residual Moveout

Juefu Wang

Search and Discovery.com

... filtering (Wang 1996). Since we are not interested in amplitude, we can design harsh filters for our purpose. After cleaning up the data in this way, we...

Unknown

Fracture Detection by Azimuthal Differential Residual Moveout

Juefu Wang

Search and Discovery.com

... filtering (Wang 1996). Since we are not interested in amplitude, we can design harsh filters for our purpose. After cleaning up the data in this way, we...

Unknown

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