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Welcome to the new Datapages Archives

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The AAPG/Datapages Combined Publications Database

Showing 15,414 Results. Searched 189,126 documents.

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Spectrum Extrapolation to Increase Resolution: ABSTRACT

D. G. Stone

AAPG Bulletin

...Spectrum Extrapolation to Increase Resolution: ABSTRACT D. G. Stone 1973 1823 1823 57 9. (September) Stratigraphic traps have been receiving...

1973

Abstracts: Q Determination, Corner Frequency and Spectral Characteristics of Microseismicity Induced by Hydraulic Fracturing; #90173 (2015)

David W. Eaton

Search and Discovery.com

... the spectrum for the effects of Q based on equation 1. 3. Since geophones measure particle velocity, the spectrum obtained in step 1 is the velocity...

2015

The Application of Velocities and Models to Seismic Interpretation

G. Jarrota

Indonesian Petroleum Association

... that can be used for the study of seismic velocities, and their applications to seismic interpretation. The velocity spectrum or velocity analysis (Fig...

1977

Abstract: Migration Velocity Analysis of Incomplete Data Using LSPSM CIGs; #90174 (2014)

Abdolnaser Yousefzadeh, John C. Bancroft, and Gary F. Margrave

Search and Discovery.com

... the edge of the model, and , at the middle of the model, when only %10 of data is used. The improvement in the resolution of XC spectrum for velocity analysis...

2014

How to Correct Seismic Data to Improve Seismic Impedance Logs: ABSTRACT

E. Robein, J. M. Komatitsch

AAPG Bulletin

... and velocity effects, two global parameters may disturb the comparison between acoustic logs recorded in a borehole and those derived from seismic data...

1981

Abstract: Fourier Domain Regularization 5D and More; #90174 (2014)

V. Khatchatrian

Search and Discovery.com

... the signal, while leaving the noise untouched, the threshold search area of the spectrum is limited to a cone above the maximum linear noise velocity...

2014

Abstract: Seismic Imaging of Imbricate Structures in Mountainous Area: Case Studies; #90211 (2015)

Nanxun Dai, Oz Yilmaz, Weizhong Wang, and Jie Zhang

Search and Discovery.com

... to pick velocity strands, while the semblance spectrum in the V-T plane is used to quality control the picks. Datapages/Search and Discovery Article...

2015

How to Improve the Definition of Seismic Reflection Data

D. Michon, R. Garotta

Indonesian Petroleum Association

... scale gives the wave length taking the element interval as unity. The spectrum of the noise is respresented on the figure according to the velocity...

1979

Abstract: Estimation of Q-factor and Phase Velocity Using the Recovered Stress-strain Relaxation Spectrum; #90172 (2014)

Dali Zhang, Michael P. Lamoureux, Gary F. Margrave

Search and Discovery.com

...Abstract: Estimation of Q-factor and Phase Velocity Using the Recovered Stress-strain Relaxation Spectrum; #90172 (2014) Dali Zhang, Michael P...

2014

Velocity Dispersion and Attenuation in Vibroseis Data

L. Flora Sun

Search and Discovery.com

... to detect velocity dispersion in exploration seismic data. It is known that attenuation alters the power spectrum, while velocity dispersion changes...

Unknown

Velocity Dispersion and Attenuation in Vibroseis Data

L. Flora Sun

Search and Discovery.com

... to detect velocity dispersion in exploration seismic data. It is known that attenuation alters the power spectrum, while velocity dispersion changes...

Unknown

Velocity Logging and Its Geological and Geophysical Applications

H. R. Breck, S. W. Schoellhorn, R. B. Baum

AAPG Bulletin

...Velocity Logging and Its Geological and Geophysical Applications H. R. Breck, S. W. Schoellhorn, R. B. Baum 1957 1667 1682 41 8. (August) In its...

1957

Reservoir Studies and Inversion of Seismic Traces: ABSTRACT

E. Rainon

AAPG Bulletin

... a velocity or acoustic-impedance model from the recorded traces. Data are processed in preserved-amplitude mode. A wavelet inverse filtering results...

1979

Abstract: Seismic Denoising by Time-Frequency Reassignment; #90174 (2014)

Li Han, David Bonar, and Mauricio Sacchi

Search and Discovery.com

... distribution. A reassigned timefrequency spectrum can better localize signals because the process concentrates the time-frequency energy of each...

2014

Abstract: Estimation of Group Velocity using Slant Stack Generalized S Transform Based Method; #90174 (2014)

Roohollah Askari, Robert J. Ferguson, and Kristof DeMeersman

Search and Discovery.com

...Abstract: Estimation of Group Velocity using Slant Stack Generalized S Transform Based Method; #90174 (2014) Roohollah Askari, Robert J. Ferguson...

2014

Abstract: Velocity Dispersion in Field Seismic Data: Impact, Detection and Application; #90211 (2015)

Langqiu Sun

Search and Discovery.com

... ) / 2π f where Θ( f ) is the phase spectrum of the cross-spectrum of the source and received signals, smoothed if noise is present. The phase velocity...

2015

Abstract: Estimation of Dispersive Parameters of Surface Wave Using the Generalized S Transform; #90187 (2014)

Roohollah Askari and Robert J. Ferguson

Search and Discovery.com

... maintaining a direct relationship with the Fourier spectrum. Using this property, the wavenumber and phase velocity, group velocity and frequency...

2014

Imaging Complex Structures in Colombia … Full Wave Equation Migration Approach

Hector A. Alfonso, Luis E. Rojas, Weizhong Wang, Jie Zhang, Oz Yilmaz

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

...-arrival times that accounts for topography, and resolves lateral and vertical velocity variations. The corrections for the near-surface are performed...

2008

Seismic Velocity Dispersion and the Petrophysical Properties of Porous Media

Search and Discovery.com

...’s amplitude spectrum, whereas phase velocity dispersion changes the phase spectrum. Therefore, uncorrelated vibrator data are appropriate to measure the small...

2013

Enhancing Resolution and Improving Imaging: The New Dual-Sensor Seismic Streamer

Natasha Hendrick, Andrew Long, Rune Tenghamn

Indonesian Petroleum Association

... in the frequency-amplitude spectrum for the pressure data are complementary to those of the velocity data. Appropriate combination of the measured pressure...

2008

Abstract: Seismic -- Stratigraphic Mapping Of Gulf Coast Stratigraphic Traps

John A Ward

GCAGS Transactions

...-stratigraphic trap depends not only on the thickness and the stratigraphic position of the objective unit, but the velocity contrast with nearby beds...

1980

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