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The AAPG/Datapages Combined Publications Database

Showing 18,835 Results. Searched 200,626 documents.

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Littoral Transport in the Surf Zone Elucidated by an Eulerian Sediment Tracer Experiment

David B. Duane, William R. James

Journal of Sedimentary Research (SEPM)

... the reliability of the concentration measurements, it was judged more prudent to weight injection rates for various sizes by the grain frequency rather than...

1980

Raman Microscopy Analysis of Wyoming CarbonSAFE Pilot Well Thin Sections for Mineralogy and Organic Matter Characterization

Grant A. Myers, Trevor Brown, Shavinka Fernando, Erin Phillips, Fred McLaughlin

Unconventional Resources Technology Conference (URTEC)

... frequency (i.e. color) due to interactions with molecular vibrations in the substance. The shift in energy provides information about the molecular...

2021

Stratigraphic Framework of the San Andres Formation, Algerita Escarpment, Guadalupe Mountains, New Mexico

Charles Kerans

West Texas Geological Society

.... 203–232. Mitchum, R.M., Jr., and J.C. Van Wagoner, 1991, High frequency sequences and their stacking patterns: sequence stratigraphic evidence of high...

2000

Downhole Reservoir Raman System for Carbon Sequestration Measurement, Reporting, and Verification

Grant A. Myers, Alirza Orujov, Trevor Brown, Cody Morgan, Wade Bard, John Pope

Unconventional Resources Technology Conference (URTEC)

... low-frequency modes in molecules. This optically based chemically selective method provides a unique molecular fingerprint for identification. When...

2025

New Technology for Characterizing Louisiana's Shallow Coastal Water Bottoms and Predicting Future Changes

Harry H. Roberts , Charles A. Wilson , John Supan ,  and Walker Winans

GCAGS Transactions

... be used for evaluating future changes of such shallow water bottoms. Application of digital side-scan sonar (100 and 500 kHz) and a broad-spectrum...

1999

Interpreted Linear Features from Landsat Thematic Mapper Images, Southern Ute Indian Reservation, Colorado

Daniel H. Knepper Jr.

Utah Geological Association

... acquire digital image data in 6 spectral bands in the visible and near-infrared parts of the spectrum and 1 band in the thermal infrared. Visible...

1996

Improving subsalt images using FWI and FWI imaging: A streamer case study at Big Foot

Weihong Fei, Jingru Chen, Min Yang, Leah Grassi, Erik Everson, Paul Bovet, Marin Laomana, Sheree Wold, Alex Yanjun Hao, Chi Chen, Shubin Zeng, Zhiyuan Wei

International Meeting for Applied Geoscience and Energy (IMAGE)

... honors the geological coherences was applied to further shape the image spectrum towards higher frequencies to reveal more high frequency details...

2022

Recovering the invisible signals for urban traffic monitoring using distributed acoustic sensing

Yangkang Chen, Hang Wang, Rui Min, Yunfeng Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... characterized by low-frequency energy (0-2 Hz) in the Fourier spectrum. We apply a low-pass filter to the raw data to highlight the car signals...

2024

Application of phase stabilization Q migration in comprehensive evaluation and identification of tight-reservoir

Yi Bao, Hai-Bo Zhao, Xu Liu, Xiao-Wei Guan, Xin-Yue Song, Cheng Wang, Zai-Jin Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... in the Songliao Basin. During wave propagation, the high-frequency energy absorption and attenuation resulting low imaging resolution of deep weak...

2024

Long Climatic Time Series from Sediment Physical Property Measurements

Timothy D. Herbert, Larry A. Mayer

Journal of Sedimentary Research (SEPM)

... term evolution of climate in the Milankovitch frequency band, as well as to reconstruct patterns of carbonate sedimentation over time. Sedimentation...

1991

DL-fused elastic FWI: Application to marine streamer data

Pavel Plotnitskii, Oleg Ovcharenko, Vladimir Kazei, Daniel Peter, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

... Abdullah University of Science and Technology, Thuwal, Saudi Arabia Aramco Americas, Houston, USA * † SUMMARY Low-frequency data is crucial...

2022

VSP Guided Reprocessing and Inversion of Surface Seismic Data

R. Gir, Dominique Pajot, Serge Des Ligneris

Southeast Asia Petroleum Exploration Society (SEAPEX)

.... The underlying assumption in VSP guided reprocessing is that both traces share the some reflectivity series and have a wide common frequency band...

1988

The Milankovitch Interpretation of the Latemar Platform Cycles (Dolomites, Italy): Implications for Geochronology, Biostratigraphy, and Middle Triassic Carbonate Accumulation

Nereo Preto, Linda A. Hinnov, Vittorio De Zanche, Paolo Mietto, Lawrence A. Hardie

Special Publications of SEPM

... measured in the lagoonal facies of the Middle Triassic Latemar platform (Dolomites, Italy) reveals a set of frequency components that we interpret...

2004

Seismic-Reflection Studies in the Huanghua Depression, Bohai Bay Basin, China

Zhao Xueping, Zhang Fumin, Yang Huairan

Circum Pacific Council Publications

.... Figure 16. Wave-spectrum percent and frequency spectrum curves for line 81-D56. 291 ZHAO, ZHANG, YANG DELTA-DEPOSITION SYSTEM depressions...

1989

Size Modes in Biogenic Carbonate Sediment, Southeastern Alaska

Charles M. Hoskin , Richard V. Nelson, Jr.

Journal of Sedimentary Research (SEPM)

... disintegration. Chemical interaction between shells and beach porewater is not active. Size-frequency distribution and point count data show that shell...

1971

3D Seismic from Planning to Mapping

A. Kullerud, O. Nipen, H. E. Nordberg

Indonesian Petroleum Association

... to a notch in the frequency spectrum and maximum response will be midway between the zero frequency and the notch frequency. Given the above...

1985

Mitigating the effects of guided waves in OBN data for acoustic FWI using data reconstruction: A data example from the Yggdrasil area

M. A. H. Zuberi, E. Cho, T. Seher, R. Myklebust

International Meeting for Applied Geoscience and Energy (IMAGE)

... source. All wavefields in the derivation below are in frequency-space domain (complex quantities). The symbol † in superscript represents a Hermitian...

2023

Determining Bedding Slip Planes With Microseismic Processing

Natalia Verkhovtseva, Ben Bagherian, Timur Mukhtarov

Unconventional Resources Technology Conference (URTEC)

... and subtracted from the analysis, which resulted in a more accurate estimation of corner frequency. Figure 7. Displacement spectrum used for calculating...

2017

Direct Reservoir Imaging: The Need for Innovative Advancement in Exploration and Production, #41510 (2014).

Sofia Khan

Search and Discovery.com

... or Drag Wave™. This Slow Wave travels at a lower velocity than the velocity of the compressional wave. This phenomenon creates a very low frequency wave...

2014

Sequence Stratigraphic Boundary Delineation Based on Adaptive Seismic Decomposition, #42067 (2017).

Fangyu Li, Rui Zhai, Jie Qi, Bo Zhang, Kurt J. Marfurt

Search and Discovery.com

... decomposition methods, the VMD decomposes seismic signal in the frequency domain, which makes it more robust and optimal. Without any priori knowledge...

2017

Key Technologies for Processing of Seismic Data in Gas Cloud Area, Bohai Bay Basin, #42093 (2017).

Xia Tongxing, Ming Jun, Liu Lei, Zhou Xuefeng, Liu Hongxing, Liu Xuetong

Search and Discovery.com

.... There are three main steps during Q tomography. (1) Estimating attenuated travel time from amplitude spectrum or frequency shift characteristics. (2) Generating...

2017

Late Miocene and Early Pliocene High-Frequency Lake Level Cycles in Lacustrine Hydrocarbon Reservoir Strata, South Caspian Basin: Insights for Subseismic-scale Lithofacies Variations

Dag Nummedal, H. Edward Clifton, Eileen Williams

AAPG Special Volumes

...Late Miocene and Early Pliocene High-Frequency Lake Level Cycles in Lacustrine Hydrocarbon Reservoir Strata, South Caspian Basin: Insights...

2012

Raman spectroscopic analysis of carbonaceous matter and silica in the test walls of recent and fossil agglutinated foraminifera

David H. McNeil, H. Georg Schulze, Emily Matys, and Tanja Bosak

AAPG Bulletin

... modes. These changes in frequency (the Stokes and anti-Stokes Raman shifts, respectively) of the scattered light can be displayed as a spectrum...

2015

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

Interpreting 3D Seismic Data for Fractured Unconventional Gas Reservoirs

James J. Reeves

West Texas Geological Society

...). Gas sensitive seismic attributes such as the phase gradient (an AVO attribute first developed by Geo-Spectrum) or frequency dependent seismic...

2005

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