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The AAPG/Datapages Combined Publications Database

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

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Use of Seismic Stratigraphy for Minnelusa Exploration, Northeastern Wyoming: ABSTRACT

Terrell B. Daw

AAPG Bulletin

... frequency spectrum (40 to 80 Hz) did allow better mapping of thin Minnelusa sands. In conclusion, through a closely coordinated geologic-geophysical effort...

1983

Extended Abstract: Seismic Bandwidth: The Quest

Andrew Long

Petroleum Exploration Society of Australia (PESA)

... in the m arine case is the notch in the recorded amplitude spectrum, w hich provides the upper frequency limit. The frequency of this notch is a functio n...

2004

Abstract: On Choosing Differential Operators; #90171 (2013)

John C. Bancroft

Search and Discovery.com

... spectral amplitudes in the frequency domain. Introduction I use an array of data fn, that I call a trace, that was obtained from a continuous...

2013

Abstract: On Choosing Differential Operators; #90171 (2013)

John C. Bancroft

Search and Discovery.com

... spectral amplitudes in the frequency domain. Introduction I use an array of data fn, that I call a trace, that was obtained from a continuous...

2013

Abstract: A Field Experiment Recording Low Seismic Frequencies; #90174 (2014)

G. F. Margrave, M. B. Bertram, K. L. Bertram, K. W. Hall, K. A. H. Innanen, D. C. Lawton, L. E. Mewhort, and T. M. Phillips

Search and Discovery.com

... geophones. Dynamite produced the strongest low-frequency signal but vibroseis was able to operate effectively down to around 2 Hz using low-dwell sweeps...

2014

Synthetic Stratigraphy with a Stochastic Diffusion Model of Fluvial Sedimentation

Jon D. Pelletier, Donald L. Turcotte

Journal of Sedimentary Research (SEPM)

..., extracted the bed-thickness series for each history, computed the power spectrum, and averaged the power spectra at equal frequency values. Since...

1997

Application of a Stochastic Deposition and Erosion Model to Reservoir Heterogeneity and Stratigraphic Data

Jon D. Pelletier, Donald L. Turcotte

Special Publications of SEPM

... and erosion we synthesized a time series with the model power j spectrum of S 3 2 j as before We then chose an intermediate frequency and multiplied...

1999

A case study of broadband processing in extremely shallow water environment of Bohai Bay

Jiangbo Huang, Xinyi Duan, Dekui Xu, Pingping Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... are shown in figure 9, the spectrum of broadband processing result is much broader than the raw seismic data, both low and high frequency are improved...

2024

Application of least squares one-way wave migration in irregular sampling data of Bohai Bay Basin

Lv Yongchang, Li Daoshan, Wang Yongming, Meng Jie, Feng Xukui, Hu Dan, Wu Xiaofeng, Kong Zhaoju

International Meeting for Applied Geoscience and Energy (IMAGE)

...) The least squares oneway wave image with 10 iterations;In Figure 2, (a) is the amplitude spectrum of the conventional one-way wave migration image, and (b...

2022

New Data Reveals Sub-Salt Levantine Basin

Øystein Lie, Per Helge Semb

GEO ExPro Magazine

..., with additional high frequency events visible on the P-up data. The towing depth of the dual-sensor cable controls the amplitude spectrum: the 25m tow...

2009

New Techniques for Stratigraphic Analysis and Correlation--Fourier Grain Shape Analysis Louisiana Offshore Pliocene

John V. Mrakovich, Robert Ehrlich, Bernhard Weinberg

Journal of Sedimentary Research (SEPM)

... frequency distributions of all samples were polymodal. In most cases, sample differences are caused by the presence or absence of 20% or fewer...

1976

Petrography and Reservoir Physics I: Objective Classification of Reservoir Porosity (1)

ROBERT EHRLICH , STERLING JAMES CRABTREE , KATHLEEN O. HORKOWITZ , and JOHN P. HORKOWITZ

AAPG Bulletin

... of the frequency distributions. Each sample (e.g., a thin section) is represented by a smooth/rough spectrum formed by pooling all of the smooth...

1991

Abstracts: Geophysical Time Series Data from a Stressed Environment; #90173 (2015)

Winnie Pun, Bernd Milkereit, Benoît Valley, and Wei Qian

Search and Discovery.com

... microseismic sensors for exploration mainly capture high frequency signals for event detection. The data is compressed by extracting distinct P-wave...

2015

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)

... on the traditional multi-channel singular spectrum analysis method, we introduce factor group-sparse regularization to improve the accuracy of robust low...

2024

A Field Investigation of the Relationship Between Oscillation Ripple Spacing and the Near-Bottom Water Orbital Motions

Martin C. Miller , Paul D. Komar

Journal of Sedimentary Research (SEPM)

... devices. Any selected trend that relates the ripple spacing to the wave orbital motions must take into consideration this spectrum and the manner...

1980

Milankovitch paleoclimatic, tectonic, and sedimentary signals in late Permian-Early Triassic fluvial-lacustrine records, Bogda Mountains, NW China

Wentao Zhang, Wan Yang

International Meeting for Applied Geoscience and Energy (IMAGE)

... to characterize the frequency content of the 𝛾𝛾 -untuned and tuned series. Figure 2: Gamma results of the South Taodonggou section for meandering stream...

2022

Abstract: Spectral Decomposition with Real Seismic Wavelet; #90187 (2014)

Rongfeng Zhang

Search and Discovery.com

... by convolving a seismic trace with a kernel function . It can be expressed as , (1) [1] where t represents time, ω represents frequency and represents time...

2014

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