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The AAPG/Datapages Combined Publications Database

Showing 18,870 Results. Searched 200,983 documents.

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Application of Marine Magnetic and Gravity Data in Mapping Basement and Sedimentary Horizons in the Rovuma Basin, Mozambique; #41051 (2012)

Irena Kivior, Sandeep Kumnar Chandola, Lee Poh Kin, S. F. B. M. Zohdi, S. Damte, and Stephen L. Markham

Search and Discovery.com

...), a magnetic/gravity interface is modeled by a statistical layer of magnetized multi-prisms. The logarithm of the radially averaged spectrum plotted vs...

2012

Orbitally Driven Depositional Cyclicity in Shallow Marine Carbonates of the Lower Paleozoic Aisha-Bibi Seamount (Malyi Karatau, Kazakhstan): Integrated Sedimentological and Time-Series Study

Dmitry A. Bazykin, Linda A. Hinnov

Special Publications of SEPM

... of multiple SUCs indicate occurrence of repetitive high-frequency relative sea-level oscillations during the sediment accumulation. Three continuous, well...

2002

Aspects of Rock Physics From Laboratory and Log Data that are Important to Seismic Interpretation: Section 1. Fundamentals of Stratigraphic Interpretation of Seismic Data

A. R. Gregory

AAPG Special Volumes

..., N.Y., 10011). Attewell, P. B. and D. Brentnall, 1964, Attenuation measurements on rocks in the frequency range 12 Kc/s to 51 Kc...

1977

Seismic Processing Applications on a Personal Computer

Geophysical Service (Malaysia) Sdn. Bhd.

Geological Society of Malaysia (GSM)

... or trough instead of a first break. The static application uses a high fidelity interpolation filter which does not significantly affect the spectrum...

1989

Broadband Seismic Technology and Beyond: Part III: The Interaction between Ocean Waves and Recorded Seismic Data

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... of frequency, known as the Pierson-Moskowitz(9.8 m/s2), ω is the circular frequency (ω = 2π/T ) and k is the spectrum, which showed that the peak wave energy...

2013

Full waveform inversion of simultaneous long-offset data

Nizar Chemingui, Alejandro A. Valenciano, Andrew Long

Petroleum Exploration Society of Australia (PESA)

... at 20 m to obtain a good signal-to-noise ratio at the lower end of the frequency spectrum. As a result, the data contained low frequencies, wide azimuths...

2019

Anisotropic Controlled-Source Electromagnetic (CSEM) Inversion near the “Tiger” Well in Alaminos Canyon Block 818, Gulf of Mexico

Cam Kanhalangsy, Nick Golubev, Jurgen J. Zach

GCAGS Transactions

... to the large inter-line spacing, the interpretation focused on 2.5D inversion instead of 3D inversion results. Figure 3. Source frequency spectrum with base...

2011

A Seismic-Structural Interpretation, on the Identification of Possible Causes in the Formation of Gas Chimneys in Colombia's Offshore; #50638 (2012)

Tatiana Mayorga, Andres E. Calle, Freddy M. Nino, and Jorge Rubiano

Search and Discovery.com

... differentiate a preferential anomaly in the low frequency ranges, by the application of spectral decomposition analysis. This kind of anomaly has been found...

2012

Shelfedge Dynamics and the Nepheloid Layer in the Northwestern Gulf of Mexico

David W. McGrail, Michael Carnes

Special Publications of SEPM

... frequency end of the spectrum are gravity waves In many areas long period gravity waves can produce significant os At the surface surface...

1983

Improving seismic interferometry for traffic noise by wavefield decomposition and deconvolution

Weiping Cao, Xuri Huang, Yezheng Hu, Yungui Xu, Jing Tang, Hai Yao

International Meeting for Applied Geoscience and Energy (IMAGE)

... high frequency (> 1Hz) surface wave energy (Okada 2003; Nakata et al., 2011; Behm and Snieder, 2013; Dou et al., 2017; Cheng et al., 2019), which...

2022

Joint data and physics model driven full-waveform inversion using CMP gathers and well-logging data

Shuliang Wu, Jianhua Geng

International Meeting for Applied Geoscience and Energy (IMAGE)

... can get more accurate and stable inversion result in the situation of lacking low-frequency data and bad initial model. Introduction Velocity model...

2023

Application of Lift Technique before Spectral Decomposition to Re-Model Channel Distribution in the Sungai Gelam Field, Jambi

Agi Robby Rizaldi, Firman Fauzi

Indonesian Petroleum Association

... attenuation, as well as the noise itself are shown in Figure 11. The analysis of amplitude spectrum shows that the frequency and signal to noise ratio...

2015

Ultrasound reverse time migration for human brain imaging

Ting Li, Bo Feng, Yang Zhou, Rongwei Xu, Huazhong Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

..., the simulation of high-frequency wave propagation by FD method is quite challenging. To address this problem, firstly, we use the time-domain pseudo-spectrum (PS...

2024

Delineation of Gas Sands by Seismic Stratigraphy in the Pericocal Area, Orinoco Heavy Oil Belt, Venezuela: Section IV. Exploration Methods

J. Licheri, N. Parra

AAPG Special Volumes

... anomalies observed in conventional sections. Figures 12-14 show a stronger contrast by selection of an improved amplitude frequency spectrum (Fig. 15...

1987

Abstract: A Comparison of 5D Reconstruction Methods; #90187 (2014)

A. Stanton, N. Kreimer, D. Bonar, M. Naghizadeh, and M. D. Sacchi

Search and Discovery.com

... methods. They reconstruct the data one frequency at a time in the frequency-wavenumber domain. The other method, TCOM, is a rank reduction based method...

2014

Awaiting Discovery? The US Atlantic Margin

Vsevolod Egorov

GEO ExPro Magazine

... exploration work and discoveries in other areas along the Atlantic margins. Legacy seismic data have limitations in resolution and high-frequency content...

2018

Abstract: Building Better Models … Making Full Use of Petrophysical Data; #90211 (2015)

Elizabeth L’Heureux

Search and Discovery.com

...; the smaller, higher frequency fluctuations are simply treated as a type of noise. Subsurface models derived in this way do not take advantage of the full...

2015

Re-Evaluation of Hydrocarbon Potentials of Eastern Part of the Chad Basin, Nigeria: An Aeromagnetic Approach, #10405 (2012)

Emmanuel Anakwuba, Augustine Chinwuko

Search and Discovery.com

... for quantitative studies of large and complex aeromagnetic data sets. The logarithm of the radial average of the energy spectrum is plotted against the radial...

2012

A 3-D ground-penetrating radar and wavelet transform analysis of the morphology of shoreface deposits in the Upper Cretaceous Ferron Sandstone Member, Utah

Keumsuk Lee, Robert Szerbiak, George A. McMechan, Namsoon Hwang

AAPG Bulletin

... after subtracting the tectonic effect.ANALYSIS OF SPATIAL-FREQUENCY SPECTRUMSpatial-frequency spectrum analyses were performed for three RSs (RS1, RS2...

2009

Petrographic Analysis of Porosity and Permeability

Salman Bloch

Special Publications of SEPM

... and is reflected in the spectra of % porosity Host Subsequent cycles would also remove the larger pores resulting in a bimodal spectrum (from Ehrlich et at, 1984...

1994

Monitoring tunneling construction using distributed acoustic sensing

Gang Fang, Yun Zhou Tan, Enhedelihai Nilot, Yanlong Niu, Yunyue Elita Li, Arthur Cheng

International Meeting for Applied Geoscience and Energy (IMAGE)

... spectrum, with more strong spikes in the high-frequency part (above 25 Hz). There are numerous high frequency peaks, many of which show up during both...

2022

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