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The AAPG/Datapages Combined Publications Database
Showing 34,496 Results. Searched 200,674 documents.
The plug drum effect, or why your microseismic events may not be where you think they are
Guillaume Bergery, Zhishuai Zhang, Jing Du, D. Diller, T. Shuck, B. Fish
Unconventional Resources Technology Conference (URTEC)
... model in order to locate the microseismic activity. Despite the numerous velocity data usually available - such as check shot VSP, sonic logs...
2017
A New Method for Predicting Pore Pressure in Shale Gas Reservoir
Search and Discovery.com
N/A
Delineation of the Reservoir by Seismic Methods: Chapter 3
Roberto Sarmiento
AAPG Special Volumes
... must add the fact that velocity increases with depth; therefore, wavelength also increases with depth. Thus, seismic resolution decreases with depth...
1989
Modified Residual Migration
Craig J. Beasley, Rolf Klotz
Southeast Asia Petroleum Exploration Society (SEAPEX)
... is constant, the time change from T to TD has no effect on V1. Direct implementation would require a migration algorithm, such as Kirchhoff-summation...
1992
2013
Structural segmentation in the Qiongdongnan Basin, South China Sea: Insights from analogue models and implications for hydrocarbon exploration
Gengxiong Yang, Hongwei Yin, Jun Gan, Wei Wang, Jitian Zhu, Dong Jia, Xiaofeng Xiong, and Wenqiao Xu
AAPG Bulletin
... segmentation with the orthogonal zone owing to the change in the VD direction. At a lower velocity (18 mm/hr), the fault direction was less affected by the VD...
2024
Mapping of Rock Property Changes in Space and Time Using Microseismic Data through Full-Waveform Inversion
Jyoti Behura
Unconventional Resources Technology Conference (URTEC)
... is done using a velocity model extracted from traveltime tomography of perforation shots or using well log velocities. These velocities will be quite...
2016
Seismic Activity in the Central Gulf Coast Basin
Eugene R. Brumbaugh
New Orleans Geological Society
... to differ and individual interpreter comfort levels begin to change. In spite of the care taken with stacking velocity determinations and pre-stack static...
1991
Stratigraphic Velocity Interpretation: National Petroleum Reserve--Alaska: Chapter 12
E. W. Peikert
AAPG Special Volumes
... for each sequence. Calibrated or residual (corrected for depth effect) velocity maps can be compared with maps of depositional environments or seismic...
1985
All that wobbles isnt necessarily azimuthal anisotropy
Helen Debenham, Jennifer Badry, Mohamed Megebry
Petroleum Exploration Society of Australia (PESA)
... that the presence of the faulting results in large lateral velocity contrasts, an alternative interpretation could be described by the effect of velocity...
2019
Abstract: Effect of Thermal Shock on P and S Wave Speeds in a Low-porosity Quartz Sandstone; #90174 (2014)
Wei Xie and Douglas R. Schmitt
Search and Discovery.com
... shock, the wave velocity, elastic modulus, crack density and damage parameter show similar trends with changing pressure. Both events show a rapid change...
2014
Improving the image below complex overburden geology with FWI and Q-tomography: A case study at Etame license area, offshore Gabon
Richard Huang, Chong Chung, Benjamin Cole, Ivan Berranger, Ika Novianti, Paul Ware
International Meeting for Applied Geoscience and Energy (IMAGE)
... not see the fast velocity refraction as a separate event from the direct arrival (Figure 3b, red line indicates direct arrival time). This tuning effect...
2022
Program & Table of Contents
CSPG Special Publications
... Specs at Garrington, Alberta W.N. Goodway, L. Mayo 254 8:55 Velocity Anisotropy Estimation in the Vertical Plane Using VSP Data A. Kebaili, D.R....
1994
Study on Characteristic Variability of Weak Signal in High Density Seismic Acquisition; #41351 (2014)
Wujin Chen and Anchu Wu
Search and Discovery.com
... and Figure 2), the critical angle steps drop greatly. Therefore, the deep layers with high velocity have strong shielding effect on the primary waves...
2014
Abstract: Depth Conversion Methodology using a Stochastic Velocity Model for the McMurray Formation; #90171 (2013)
Darren Hinks, Tom Cox, Stephanie Schmidt, Dale Vanhooren, and Sergei Filin
Search and Discovery.com
.... The 5th track shows how the interval velocities can change within the McMurray zone due to the upper wet gas zone. The stochastic velocity model...
2013
Crosswell Seismic: Review of Field Operations, Survey Planning and Case History
Jeff Meyer, Randy Evans, Robert Martin, Cynthia L. Welch
West Texas Geological Society
... enhancing surface-seismic as was the application in this case study. Figure 1. Time Lapse Production Monitoring. Three velocity maps produced at differing...
2002
Abstract: 2D Depth Velocity Analysis without Tomography; #90187 (2014)
J. Patrick Butler and Randy Kolesar
Search and Discovery.com
... Zone not be flat but it will tend to be best near the true velocity. COFFs for different interval velocities Note the change in best velocity...
2014
Developing a New Technique Through Partnering with Contractors: Reservoir Prediction Utilizing AVO Walkaway VSP Data to Calibrate Surface Seismic Gathers, a Case Study in Indonesia
Patricia L. C. Henderson, Dan Hampson, Scott Leaney, Nigel Smith, John Rice, Dave Boreham
Indonesian Petroleum Association
...Developing a New Technique Through Partnering with Contractors: Reservoir Prediction Utilizing AVO Walkaway VSP Data to Calibrate Surface Seismic...
1994
CSPG/CSEG/CWLS GeoConvention 2012, May 14-18, 2012 Calgary TELUS Convention Centre & ERCB Core Research Centre, Calgary, Alberta, Canada; - Abstracts, #90174 (2014).
Search and Discovery.com
2014
Abstract: Application Of Shear Wave Velocities For Pore Pressure Prediction In High Temperature Overpressure Regimes; #90315 (2017)
John Ajesh
Search and Discovery.com
... a successful relationship between ES and porosity. Since shear wave velocity is unaffected by change in saturation, the ratio of P- and S-wave velocities (Vp/Vs...
2017
Anisotropy Kinematics Clarified through Regime Rrays Model
William J. Vetter
Search and Discovery.com
..., (3) not direction-wise orthagonal to front tangent planes; (4) and, velocity or slowness magnitudes along loci directions differ from those in front...
Unknown
Anisotropy Kinematics Clarified through Regime Rrays Model
William J. Vetter
Search and Discovery.com
..., (3) not direction-wise orthagonal to front tangent planes; (4) and, velocity or slowness magnitudes along loci directions differ from those in front...
Unknown
Anisotropic PP and PSv Prestack Depth Migration of 4C (OBC) Seismic Data, Offshore Trinidad
Tony Johns
Search and Discovery.com
..., as opposed to polar anisotropy (VTI/TTI) accounted for in traveltime ray tracing of prestack depth migration, can cause shear waves to split into fast (S1...
Unknown
Anisotropic PP and PSv Prestack Depth Migration of 4C (OBC) Seismic Data, Offshore Trinidad
Tony Johns
Search and Discovery.com
..., as opposed to polar anisotropy (VTI/TTI) accounted for in traveltime ray tracing of prestack depth migration, can cause shear waves to split into fast (S1...
Unknown
3D seismic modelling fast adaptability in the face of operational constraints A case study
Clemence Cuvilliez, Aline Robin, Veronique Duprat, Camille Le Magoarou, Bruno Pagliccia, Severin Rubio, Enrico Zamboni
International Meeting for Applied Geoscience and Energy (IMAGE)
... of quickly assessing the potential impact of such a change in the acquisition layout on the final seismic image. In particular, the following objectives...
2024