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The AAPG/Datapages Combined Publications Database
Showing 944 Results. Searched 195,354 documents.
Elastic Wave Seismic Interpretation of Heavy-Oil Reservoirs
Search and Discovery.com
... with the traveltime method has been generally positive. However, in order to pick the same reflection events on multicomponent data, it is important...
2013
AAPG Memoir 76, Chapter 18: Velocity Estimation for Pore-Pressure Prediction
David W. Bell
AAPG Special Volumes
... velocity vs. depth. Figure 8 shows how well the various curves predict average velocity as a function of time. The input data range...
2001
Abstracts: Application of CSP Gather Modeling for Determination of Velocity Smoothing Operator for Prestack Kirchhoff Depth Migration; #90173 (2015)
Hassan Khaniani and John C. Bancroft
Search and Discovery.com
... The relationship between reflection and diffraction traveltime surfaces in the shot records is that the response of the scatter points (diffraction curves...
2015
Abstracts: Locating Microseismicity in Three-Dimensionally Heterogeneous Reservoirs; #90173 (2015)
Adam M. Baig, Ted Urbancic, Margaret Seibel, Vladimir Shumila
Search and Discovery.com
... by lithological tops interpreted from seismic cross-sections. Figure 2: A depth view of wavefronts (blue curves) and traveltime field (blue-yellow contours...
2015
VSP – The Link Between Geology and Geophysics, by Ronald C. Hinds and Richard Kuzmiski, #40552 (2002).
Search and Discovery.com
2002
Abstract: Combining Geology and Prestack Seismic for Structural Model Building in the Gaspé Belt (Québec, Canada); #90211 (2015)
Anne Jardin, Martin Bêche, Karine Broto, Dave Saucier, and Donna Kirkwood
Search and Discovery.com
...-Ordovician basement (Taconian fold belt). Due to the flexibility and efficiency of the IFP inversion software, various types of seismic events, e.g....
2015
Abstract: Reflection-based Traveltime Inversion Using Segment Dynamic Image Warping; #91204 (2023)
Lu Liu
Search and Discovery.com
... the trend of various reflection events, we propose SDIW to compute the time shifts. SDIW first exploits windowed polynomial fitting for signal processing...
2023
Traveltime Computations for Locating the Source of Micro Seismic Events and for Forming Gridded Traveltime Maps
John C. Bancroft
Search and Discovery.com
...Traveltime Computations for Locating the Source of Micro Seismic Events and for Forming Gridded Traveltime Maps John C. Bancroft Traveltime...
Unknown
Traveltime Computations for Locating the Source of Micro Seismic Events and for Forming Gridded Traveltime Maps
John C. Bancroft
Search and Discovery.com
...Traveltime Computations for Locating the Source of Micro Seismic Events and for Forming Gridded Traveltime Maps John C. Bancroft Traveltime...
Unknown
Estimation of Seismic Attenuation in the Delaware Basin Using Peak Frequencies
Małgorzata Drwiła, Leo Eisner, Zuzana Jechumtalová, Denis Anikiev, Randy Keller
Unconventional Resources Technology Conference (URTEC)
.... Knowledge about seismic attenuation in this sedimentary basin is very limited. We applied the peak frequency method to selected seismic events with high...
2018
Acquisition and Ananlysis of Wide-Angle Reflection and Refraction Seismic Data
Paul L. Stoffa
Circum Pacific Council Publications
... to improve the signal-to-noise ratio and reduce the data volume. events as a direct result of the failure of the hyperbolic traveltime assumption...
1989
Abstract: Regular Grids Travel Time Calculation A Practical Huygens Wavefront Expansion Approach; #90187 (2014)
Zhengsheng Yao, Mike Galbraith, and Randy Kolesar
Search and Discovery.com
... 3. Contours comparison: red curves are theoretic contours and dark curves generated from grid traveltime. . Acknowledgements Thanks to...
2014
Eikonal equation-based adjoint-state characteristic reflection traveltime tomography: Method and application in real dataset
Jianming Zhang, Liangguo Dong, Jianhua Wang, Yilin Wang, Chao Huang
International Meeting for Applied Geoscience and Energy (IMAGE)
...-based estimation of traveltime shift produces large errors owing to events crosstalk (the light blue line in Figure 3a). The reflector is generally...
2023
Strike Oriented, Swath Seismic and Its Potential Application to Exploration and Development in the Papuan Fold and Thrust Belt
William F. Robinson IV
Papua New Guinea (PNG) Petroleum Convention Proceedings
... swath in Figures 12 and 13, and stand out clearly as the isolated curves away from the main groups. Discussion of Ray-Trace Results The traveltime...
1996
Diving wave tomography: Velocity modelling using first arrival traveltime
Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu
Geological Society of Malaysia (GSM)
...Diving wave tomography: Velocity modelling using first arrival traveltime Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu Bulletin...
2022
Abstract: Tomographic Reflected-Wave FWI Using Time Lag; #90254 (2016)
Geoff Clark, Yilong Qin
Search and Discovery.com
.... To mitigate the limitation of ray-based tomography methods, various wave-equation-based traveltime inversion methods or finite-frequency tomography...
2016
Basic Seismic Processing: Part 7. Geophysical Methods
Peter M. Duncan
AAPG Special Volumes
... subsurface layers appear in shot records (Figure 1) as straight lines rather than hyperbolic curves. These events have a constant "apparent velocity...
1992
Determination of Velocity Model by Using NIP-Wave Tomographic Inversion: Application to Synthetic and Real Data
A. Hendriyana, R. Sule, Y. Akbar, L.A. Poerwaka, T.A. Sanny, Sardjito, Waluyo, Adriansyah
Indonesian Petroleum Association
... as input for migration must be accurate. Erroneous of model-depth velocities will reduce the capabilities of PSDM to image reflection events...
2009
Abstract: Prestack Signal Enhancement by Non-hyperbolic MultiFocusing; #90187 (2014)
Evgeny Landa, Alex Berkovitch, and Kostya Deev
Search and Discovery.com
... for traveltime stacking surface description is used. It allows accurately approximate traveltimes of seismic events in the vicinity of arbitrary offset. We present...
2014
AAPG Memoir 76, Chapter 16: Pore Pressure ahead of the Bit: An Integrated Approach
Nader C. Dutta, William H. Borland, W. Scott Leaney, Richard Meehan, and W. Les Nutt
AAPG Special Volumes
... attribute, commonly a porosity indicator, to fluid pressure. A set of calibration curves for a particular region are established, relating deviation...
2001
Near Surface Imaging using Joint Seismic Gravity Inversion
Teguh Suroso, Boko Nurdiyanto, Trilaksita B. Nugraha, Lita Novitasari, Heri Winarto
Indonesian Petroleum Association
... traveltime and gravity data as inputs and minimizes an overall objective function in a single inversion run to obtain near surface velocity and density...
2019
A Dynamic Reflection Traveltime Calculation Method
Y. Wang, D.R. Schmitt
CSPG Special Publications
...A Dynamic Reflection Traveltime Calculation Method Y. Wang, D.R. Schmitt 1994 49 50...
1994
Seismic Modeling of Acid-Gas Injection in a Deep Saline Reservoir
Search and Discovery.com
... Gassmann’s equations, the traveltime difference is seen to be on the order of a quarter millisecond for each 10 m thickness of the acid-gas plume...
2013
First-Arrival Traveltime Inversion in the CMP Domain: Method and Application
Search and Discovery.com
...First-Arrival Traveltime Inversion in the CMP Domain: Method and Application First-Arrival Traveltime Inversion in the CMP Domain: Method...
2013
Non-First-Break Solution for Shallow Velocity Anomaly Problem; #41602 (2015)
Emil Blias
Search and Discovery.com
... NMO curves for several (picked) horizons that will be used in non-linear traveltime inversion. 2. Analytical NMO inversion to create a zero...
2015