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The AAPG/Datapages Combined Publications Database

Showing 514 Results. Searched 195,387 documents.

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VSP Guided Reprocessing and Inversion of Surface Seismic Data

R. Gir, Dominique Pajot, Serge Des Ligneris

Southeast Asia Petroleum Exploration Society (SEAPEX)

... model, but also to shape the final wavelet so that it is both known and conforms to a given specification (usually a version of a bandlimited zero phase...

1988

Transition–Zone Seismic Surveys in Southeast Asia

R. E. Sheriff, Palmer L. Greene, Harold Reaves

Indonesian Petroleum Association

...-type sources usually do include a few non-minimum-phase roots. While the desired output wavelet shape is arbitrary, most commonly the output wavelet...

1980

Thin Bed Stratigraphy from Complex Trace Attributes: ABSTRACT

J. D. Robertson, H. H. Nogami

AAPG Bulletin

... of a zero-phase Ricker wavelet is synchronous with the central peak of the wavelet and exactly equal to the frequency corresponding to the center of gravity o...

1982

Seismic Estimation of Point-Bar Sands Using Simple Modeling Procedures

Robert Dennison

Indonesian Petroleum Association

... wavelet where the maximum energy is loaded near the onset of the wavelet. Zero phase wavelet that is symetrical. Various peak frequencies were...

1984

Impact of an Integrated Seismic Data Processing Approach: A Case Study in Central Sumatra

Mars E. Semaan, Eddy Murhantoro, Maryanto, Achmad Bermawi, Budi Subianto, Hari Santoso

Indonesian Petroleum Association

... and in time, using two different AVO techniques. The CMPs were then stacked and enhanced. A dephase filter is generated to extract the zero phase wavelet...

1992

Discovery of the Cunda Gas Field, Bee Block, North Sumatra: An Integrated Geologic/Seismic Stratigraphic Case History

M. D. Burnaman, R. B. Helm, C. R. Beeman

Indonesian Petroleum Association

... to successfully tie synthetic seismograms and make seismic models. Neither minimum phase nor zero phase synthetic seismograms produced aceptable ties...

1985

Abstract: Inserting Stratigraphic Deconvolution into the Possessing Flow to Improve the Resolution of AVO; #90172 (2014)

Norm Kalmanovitch

Search and Discovery.com

.../CSEG/CWLS GeoConvention 2010, Calgary, Alberta, Canada, May 10-14, 2010 with a perfect zero phase broadband wavelet, while in the seismic trace...

2014

Practical Stratigraphic Modeling and Interpretation: Section 3. Stratigraphic Models from Seismic Data

M. W. Schramm Jr., E. V. Dedman, J. P. Lindsey

AAPG Special Volumes

... to a subsurface lithologic sequence. In Figure 2A a marine air-gun signature is used as the propagating waveform, and in Figure 2B a zero-phase bandpass wavelet...

1977

Chapter Two: Color, Character and Zero-Phaseness

Alistair R. Brown

AAPG Special Volumes

... interpreters today prefer zero-phase data. The reasons they give to support this preference include the following: the wavelet is symmetrical...

2011

Chapter 4: Synthetic Seismograms and Their Uses

Tom Wittick

North Texas Geological Society

... and were not wavelet processed then try both a zero phase and a minimum phase wavelet and see which correlates best. Depending on how the seismic data...

1992

Synthetic Seismograms and Their Uses

Abilene Geological Society

... shot with dynamite and were not wavelet processed then try both a zero phase and a minimum phase wavelet and see which correlates best. Depending on how...

1993

Squeezing More Information Out of 3D Seismic Data with a Match Filter and Possibly Squeezing More Oil Out of Oil Pools; #41562 (2015)

Norm Kalmanovitch, John Townsley

Search and Discovery.com

... as broad a frequency spectrum as possible with all frequencies at “zero phase”. We have made great strides in achieving this but various forms of noise...

2015

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

... equalization; -- Wavelet processing and conversion to zero phase; -- Reflection coefficients; and -- Interval velocities. After gain removal from...

1987

Chapter Six: Tuning Phenomena in Reservoirs

Alistair R. Brown

AAPG Special Volumes

... of the wavelet from the top of the sand. Figure 6-7. Constructive interference of zero-phase wavelets to produce tuning maxima. The lower diagram...

2011

Seismic Modelling to Support the Interpretation of Seismic Data, Northeast Jambi Block 'B', South Sumatra

J. A. Harwijanto

Indonesian Petroleum Association

... the resulting synthetic traces for a 35 Hz zero phase wavelet. There is no apparent difference between these traces, which essentially reflects the limited...

1987

Abstract: Stabilizing Seismic Absorption Compensation; #90171 (2013)

Changjun Zhang

Search and Discovery.com

.... Extract Q profile by using windowed time-variant spectral analysis (Zhang, 2002), 2. Do pure phase correction, 3. Extract a zero phase seismic wavelet...

2013

Seismic Acquisition and Processing

Bruce S. Hart

Special Publications of SEPM

... . 3 .5) which indicates where to accurately pick a horizon . A zero phase wavelet has the peaks or troughs centered on the reflecting interface...

2000

Chapter 2: Basics of Reflection Seismology that Relate to Seismic Stratigraphy

Tom Wittick

North Texas Geological Society

... about yet) is zero phase and symmetrical. At each interface we get a replica of the propagating wavelet. The amplitude and polarity of the reflections...

1992

Basics of Reflection Seismic Technology

Abilene Geological Society

... about yet) is zero phase and symmetrical. At each interface we get a replica of the propagating wavelet. The amplitude and polarity of the reflections...

1993

Mini Seismic Processing System for Training and Research Purposes

Suprajitno Munadi, Bambang Triharjanto

Indonesian Petroleum Association

... phases, he will obtain seismic wavelet which is not zero phase. Figure 10. An example of training exercise in order to understand the seismic wavelet from...

1993

Seismic Stratigraphic Interpretation for Thin Layers: Case Studies

Kuo-An Lin, Shi-Chi Fuh, Hsiung-Mao Chen

Geological Society of Malaysia (GSM)

.... The zero-phase wavelet synthetic seismograms and log information demonstrated the reliable quality of the seismic data, and provided the basis...

1987

Very High Amplitude Seismic Anomaly in Georges Bank Trough, Atlantic Continental Margin

Robert C. Anderson, David J. Taylor

AAPG Bulletin

.... Schoenberger, M., 1974, Resolution comparison of minimum-phase and zero-phase signals: Geophysics, v. 39, p. 826-833. Schultz, L. K., and R. L. Grover...

1981

Lithology Prediction by Extrapolating Well Data

Brian Barley, Dean Chergotis, Mai Wilson, Susan Young

Indonesian Petroleum Association

.... Many geophysicists make everyday use of this idea. Figure 2. Definition of the seismic wavelet A more quantitative use of the wavelet is to zero phase...

1992

Analysis of High Resolution Seismic Data: Section 2. Application of Seismic Reflection Configuration to Stratigraphic Interpretation

Herman C. Sieck, George W. Self

AAPG Special Volumes

.... The desired or shaped wavelet is the zero-phase equivalent of a Ricker wavelet. The digitized reflection data is then deconvolved in real time using...

1977

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