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The AAPG/Datapages Combined Publications Database

Showing 206 Results. Searched 191,921 documents.

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Environmental Applications of the Pseudoseismic Technique

Alex Martinez, David P. Young, John F. Hopkins

Environmental Geosciences (DEG)

... interpretation uses static data, but many environmental problems deal with time-variant data. Time-sampled well data (e.g., repeated logging of a well...

1999

VSP Guided Reprocessing and Inversion of Surface Seismic Data

R. Gir, Dominique Pajot, Serge Des Ligneris

Southeast Asia Petroleum Exploration Society (SEAPEX)

... and shaping for each time gate; the filters are then combined to yield a single time-variant filter for the entire interval. For each time gate...

1988

The Geophysicist Communicating with Seismic Processing

R. E. Sheriff

Southeast Asia Petroleum Exploration Society (SEAPEX)

... into an auxilliary stream, where these data will be muted (/MUTE), filtered with space and time variant options (/STVF), and then velocity spectra made...

1980

4D Seismic Reservoir Characterization of a CO2 Flood: A New Technology

Sony R. Mohammad, Thomas L. Davis

Indonesian Petroleum Association

..., the phase of the monitor survey was rotated 4º in order to match the phase of base data. The second correction was time shifting. Static and time-variant...

2011

Fracture Detection by Azimuthal Differential Residual Moveout

Juefu Wang

Search and Discovery.com

... variation of differential residual moveout. Specifically, we calculate the time-variant trim statics at the top and the bottom of the target...

Unknown

Fracture Detection by Azimuthal Differential Residual Moveout

Juefu Wang

Search and Discovery.com

... variation of differential residual moveout. Specifically, we calculate the time-variant trim statics at the top and the bottom of the target...

Unknown

The Use of Coherence Cube Visualization in Picking Seismic Processing Parameters and Post Processing Hybrid Visualization Products

Otto J. Welper

GCAGS Transactions

... is the migration. Coherence is a powerful tool when comparing migration algorithms and velocity variations. It can help understand not only time variant changes...

2000

Fault Detection From 3-D Seismic Data and Distribution of Conjugate Faults in the Bakken Formation

Ismot Jahan, John Castagna, Michael Murphy

Unconventional Resources Technology Conference (URTEC)

... outside the seismic bandwidth and then spectral balancing was applied to the data. A time-variant structural filter that preserves local geology was applied...

2017

VMD Based Sedimentary Cycle Division for Unconventional Facies Analysis

Fangyu Li, Tao Zhao, Yin Zhang, Kurt J. Marfurt

Unconventional Resources Technology Conference (URTEC)

..., termed “non-stationary” and need to be analyzed via a time variant approach. Time frequency analysis (TFA) methods develop from Fourier transform...

2016

Practical Use of Inverted Seismic Data: ABSTRACT

Gary Hamill

AAPG Bulletin

... be restored deterministically by the use of a geologic model with interval velocities specified. Time-variant pr cesses should be minimized...

1985

Abstract: Nonlinear AR Modeling Using Second Order Volterra Filters; #90211 (2015)

Soner Bekleric and Mauricio Sacchi

Search and Discovery.com

... inves tigate the possibility of using non-linear filtering for prediction error filtering of time-variant seismic signals and for FX noise reduction...

2015

Abstract: Merging of Multi 3D Land Seismic Surveys, Challenges and Mitigations; #90319 (2018)

Anwar Al-Kandari, Riyanto Kusumo, Agus Abdullah, Fatma Basha, Hanan Al-Hasan

Search and Discovery.com

... flow including seismic data interpolation/regularization, amplitude matching and spatial and time variant alignment to several seismic surveys...

2018

The Application of Image Processing Techniques for Complex Structures

V. Sudhakar, I. T. McMahon

Indonesian Petroleum Association

... in interval velocity with depth, the DMO operator used is based either on a time-invariant or time-variant DMO algorithm. To some extent the velocity...

1987

Quality Data at a Reduced Price: Innovative Approaches in 3-D Acquisition and Processing

Mars E. Semaan, Michel F. Bee, Maryanto, Gerard Dufourd, Eddy A. Sentani

Indonesian Petroleum Association

... (FD) algorithm Time variant digital filter application Trace amplitude normalization 4.3 Data Examples In this section, details...

1995

Statistical Relations Between Borehole and Surface Data

Dale G. Stone

Oklahoma City Geological Society

... data can be derived from the logs in lieu of simple exponentials. Time variant coherency measure quantifies the degree of similarity between...

1984

3.4 Detached Sediments: 3.4.1 Decollement Tectonics (A-Subduction): Kemmerer Area, Lincoln County Wyoming

M. A. Norton

AAPG Special Volumes

... pattern with 57 L-10 geophones was used. The processing sequence included a time variant minimum phase inverse filter, predictive deconvolution...

1983

Statistical Relations Between Borehole and Surface Data: ABSTRACT

Dale G. Stone

AAPG Bulletin

... scaling curves for seismic data can be derived from the log instead of simple exponential. Time variant coherency measure quantifies the degree...

1981

ABSTRACT: Episodic Tectonic Control of the Petroleum System of La Concepcion Field, Maracaibo Basin, Venezuela; #90007 (2002)

Luis E. Cardozo, John D. Pigott, Elmer Ferro

Search and Discovery.com

... and litho- and organic facie types, time variant heat flows, strain partitioning, times of maturation, etc. An integrated borehole basin modeling 3D...

2002

ABSTRACT: Compensating for Seismic Absorption Anomalies with 3-D Q-Tomography and Q-compensating PSDM; #90115 (2010)

Yi Xie, Kefeng Xin, James Sun, Carl Notfors, Barry Hung, and Roger Taylor

Search and Discovery.com

... the effects of dissipation increase with the length of wavepath, the filters are time-variant. Rather than compensating for the effects...

2010

Abstract: Bin-Share Stacking for 3D Converted Wave Processing; #90174 (2014)

Alex A. Falkovskiy, Robert Tilson, Gerry Schlosser, and Elvis Floreani

Search and Discovery.com

..., Calgary, AB, Canada Figure 4 (b) shows the result of stacking with a time-variant radius linearly varying from 33.6 m at zero depth to 25.2 m...

2014

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