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The AAPG/Datapages Combined Publications Database
Showing 6,935 Results. Searched 195,387 documents.
Abstract: VSP-driven Model Building for Converted Waves Processing; #91204 (2023)
Ali Shaiban, Hussain Nassir, Mohammad Tayeb, Hussain Aldhaw
Search and Discovery.com
... of surface seismic converted waves data. We propose to use VSP data to estimate the velocity for converted waves, from P to S waves, in an area...
2023
Seismic HC Reservoir Prediction: A (Critical) Review on the Determination of Lithological Parameters from Seismic Data
Burkhard Buttkus
Geological Society of Malaysia (GSM)
... the problems in estimating physical parameters from seismic data. In principle, we do not explore for seismic velocity or impedance...
1985
Improving Depth Prediction Accuracy of Quantified Drilling Hazards
W. Scott Leaney, William H. Borland
Geological Society of Malaysia (GSM)
... Ib/gal = 2.4 gmIcc; 0.7 psi/ft = 14 Ib/gal = 1.68 gmIcc). ESTIMATING GEOPRESSURE If formation fluids are impeded from escaping upwards due to low...
1996
True Amplitude Preserved Multi-Azimuth Pre-Stack Depth Migration for Structural and Reservoir Characterization (Sisi-Nubi Field, Indonesia)
M. Baturin, F. Bertini, J. Bonnafé, A. Riou, S. Birdus, Y. Yin
Indonesian Petroleum Association
... considered to be important for the model (Fig. 7). The initial depth velocity model was built from a Vrms field available from previous time processing...
2011
Formation Porosity and Fluid Content from Velocity Logs
E. R. Denton
CSPG Bulletin
...Formation Porosity and Fluid Content from Velocity Logs E. R. Denton 1956 79 93 Vol. 4 (1956) No. 4. (April) A velocity log may be interpreted...
1956
Pore-Pressure Prediction in the Permian Basin Using Seismic Prestack Inversion
Colin Sayers, Lennert den Boer
Unconventional Resources Technology Conference (URTEC)
... estimates of VP / VS from AVO inversion to help reduce the impact of variations in lithology. URTeC 52 3 Method An example of sonic-based velocity-to-pore...
2019
Abstract: Simplified Processing of Converted Wave Data; #90224 (2015)
John C. Bancroft and Thais Guirigay
Search and Discovery.com
... a prestack time migration. The velocity field of the subsurface is now defined with stacking or RMS type velocities. These velocities are much less sensitive...
2015
Marine Multicomponent Seismic – The New Issues in the Developing Revolution
Jason Robinson
Indonesian Petroleum Association
.... There are several techniques for the combination of signal from the hydrophone and vertical geophone to eliminate the water bottom multiple. The lower velocity...
2002
Velocity for Pore Pressure Prediction Modeling and Risk Assessment
Selim Simon Shaker
GCAGS Transactions
... of Petroleum Geologists Memoir 76, Tulsa, Oklahoma, p. 177–215. Bowers, G. L., 1994, Pore pressure estimation from velocity data: Accounting...
2016
Seismic Rock-Property Transforms for Estimating Lithology and Pore-Fluid Content, by Haitao Ren, Fred J. Hilterman, Zhengyun Zhou, and Mritunjay Kumar, #40224 (2006).
Search and Discovery.com
2006
ABSTRACT: Enhanced Residual Statics by Gradually Building a Velocity Model: A Case Study, by Alghamdi, Ahmed S.; Afif, Omar H.; #90141 (2012)
Search and Discovery.com
2012
Abstract: Estimating the Spectra of Small Events for the Purpose of Evaluating Microseismic Detection Threshholds; #90174 (2014)
N. Ackerley
Search and Discovery.com
... be approximated for a broad range of lithology given the S-wave velocity using the rule proposed by Gardner (1974), , where the S-wave velocity is expressed...
2014
2D Seismic Refraction Tomography Survey on Metasediment at a Proposed Development Site in Dengkil, Selangor
Umar Hamzah, Abd Rahim Samsudin
Geological Society of Malaysia (GSM)
... processed using an OPTIM software to produce sections of 20 velocity model profiles. Results show P-wave velocity of clayey silt (SPT=3-11) is ranging from...
2006
Permian Basin Seismicity: Looking Backwards, Moving Forwards, #11082 (2018).
Diane Doser, Mark Baker
Search and Discovery.com
... at seismic wavelengths from well log data -Velocity inversions from surface data face problems since only estimating horizontal velocities...
2018
The Use of Seismic Data in Predicting the Abnormal High Pressure Zone for Exploration Drilling in Pertamina Unit E.P. III Working Area
Basuki Puspoputro
Indonesian Petroleum Association
... of Vi, or too high Vs. Vi obtained from seismic stacking velocity is much higher compared to the one obtained from either well velocity survey...
1983
Abstract: Estimating Reservoir Thickness from Seismic Using Enhanced Stockwell Transform; #90319 (2018)
Sami Awfi, Yi Luo, Nasher M. AlBinHassan
Search and Discovery.com
...Abstract: Estimating Reservoir Thickness from Seismic Using Enhanced Stockwell Transform; #90319 (2018) Sami Awfi, Yi Luo, Nasher M. AlBinHassan AAPG...
2018
Abstract: Estimating Depth Conversion Uncertainty from Conflicting Data, by O. Fuglestad, D. Draper, and A. Torp; #90942 (1997).
Search and Discovery.com
1997
Full Wave Acoustic Logging: Some Examples
John W. Minear
Southeast Asia Petroleum Exploration Society (SEAPEX)
.... Porosity-Lithology Determination Velocity ratio and Δtp may be used to estimate both lithology and porosity from acoustic information only. Thus, full-wave...
1984
Abstract: Salt Shape Tomography; #90254 (2016)
Patrice Guillaume, Olivier Hermant, Stanislaw Warzocha
Search and Discovery.com
... of velocity up to approximately 6 Hz but have difficulty estimating the position and amplitude of strong velocity contrasts. Using tomography to determine...
2016
An Integrated Approach to Development of an Unconventional Play: Geosteering Operations in the Wolfcamp of the Southern Delaware Basin
Jennifer Hernandez, J Alexandra Sloan, John Terwilliger
Unconventional Resources Technology Conference (URTEC)
... within the Wolfcamp section, as inferred by the seismic stacking velocity. Both of these factors may cause erroneous structural exaggeration to appear...
2017
Earth crustal analysis of Northwest Sabah region inferred from receiver function method
Abdul Halim Abdul Latiff, Faridah Othman
Geological Society of Malaysia (GSM)
...). From the 1-D velocity models inferred from receiver function inversion, the subsurface structural framework and velocity anomalies within the crust...
2020
Abstract: To TTI or not to TTI? Semi-Automated 3D Tomographic Velocity Analysis in the Canadian Foothills: A Case History; #90211 (2015)
Sylvestre Charles, David Mitchell, Rob Holt, Jiwu Lin, and John Mathewson
Search and Discovery.com
... used a Tau-P refraction tomography, with constraints derived from up-hole times. The Tau-P model provided us with a more convincing near-surface velocity...
2015
Abstract: Deriving Pore Structure and Permeability from Sonic Velocity in Carbonates; #90063 (2007)
Search and Discovery.com
2007
Abstract: Full Waveform Inversion with Phase Encoded Deconvolution Imaging Condition; #90224 (2015)
Wenyong Pan, Kris Innanen, and Gary Margrave
Search and Discovery.com
... [email protected] Summary Full waveform inversion (FWI) is a very important method for estimating the subsurface parameters. While it suffers from extensively...
2015
The Geophysical Aspects of Abnormal Fluid Pressures
Edward B. Reynolds, John E. May, Alf Klaveness
Houston Geological Society
... velocity departures from the normal trend in a predominantly sand-shale section are generally good indicators of undercompacted and overpressured...
1971