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The AAPG/Datapages Combined Publications Database
Showing 1,717 Results. Searched 201,044 documents.
Abstract: Near-surface S-wave Velocity from an up Hole Survey using Explosive Sources; #90187 (2014)
Saul E. Guevara, Gary F. Margrave, and William M. Agudelo
Search and Discovery.com
...Abstract: Near-surface S-wave Velocity from an up Hole Survey using Explosive Sources; #90187 (2014) Saul E. Guevara, Gary F. Margrave, and William M...
2014
Karama PSC Well Results A Lesson Learned on Provenance and Seismic Imaging of Deepwater Systems
Deborah South, Gerrit Toxopeus, Bjarte Myhren
Indonesian Petroleum Association
.... The density (and velocity log, not shown) confirms that the seismic contrast is setup due to a low impedance contrast. The anomaly section shows a (very...
2013
Prediction of Porosity and Fluid Saturation from Full Stack Seismic Data Using Seismic Inversion and Neural Network Analysis, #42254 (2018).
Ahmed S. Ali, Hamed El-Mowafy, Ashraf Ali Hasan, Ali Khairy
Search and Discovery.com
... stack seismic data as an internal attribute while P-impedance and RMS Velocity cubes as external attributes in order to generate 3D porosity...
2018
Synthetic Seismic Validation of Reservoir Models of the Carbonate Gas Fields in Offshore Sarawak, Malaysia; #41087 (2012)
Alexander David Kayes
Search and Discovery.com
... quality. 6 GENERALISED WORKFLOW (STATIC MODEL) 2 Seismic AI data (TWT) T -> Z Seismic AI data (Depth) Seismic Inversion Same Velocity Model...
2012
Abstract: Estimating the Spectra of Small Events for the Purpose of Evaluating Microseismic Detection Threshholds; #90174 (2014)
N. Ackerley
Search and Discovery.com
... primarily on the S-waves. For a receiver at the surface the velocity will typically be significantly lower than that at the source, which is why we’re...
2014
A Critique of the Magnolia Field (Columbia County) Case History
E. E. Rosaire , James M. Forgotson
GCAGS Transactions
... control, the velocity depth function, used to translate the observed, corrected arrival times into depths, is uniform laterally across the area...
1953
Marine Seismic Sources: Part III: A Feeling for Decibels
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... references are, therefore, 26 dB apart (20 log 20 = 26). Secondly, the impedances (density times velocity) of water and air differ. The impedance ratio...
2010
Comparison of Marcellus Fracturing Using Azimuthal Seismic Attributes Versus Published Data From Outcrop Studies
Tanya L. Inks, Terry Engelder, Jacki S. Hocum, Bruce Golob, Darien O'Brien
Unconventional Resources Technology Conference (URTEC)
... that are not corrected by the isotropic velocity are inverted to create Root Mean Square (RMS) velocity volumes, RMS Vfast and RMS Vslow. More delayed...
2014
Research and application of diffraction imaging based on the full-azimuth angle migration
Shengtao Zang, Xingrong Xu, Zhe Yang, Yanxiang Wang, Jiaqing Sun
International Meeting for Applied Geoscience and Energy (IMAGE)
...). Optimal migration velocity for diffractions can be accurately picked when diffraction energy become better focused in semblance by enhancing...
2024
Repeatability indicators in time lapse seismology and their application to the Sleipner CO2 storage project
Brian Russell
Carbon Capture, Utilization and Storage (CCUS)
...) surveys is defined as NRMS = where RMS ( xt ) = 200 [ RMS (m - b)] RMS (m) + RMS (b) , (1) 1 tN 2 å xt is the RMS estimate over trace samples xt...
2024
Efficient interdisciplinary workflow for predrill seismic pore pressure prediction
Josue Fonseca, Anshuman Pradhan, Tapan Mukerji
International Meeting for Applied Geoscience and Energy (IMAGE)
... physics criteria, however, analyzing other kinematic properties that are more efficient to compute: root-meansquare (RMS) velocity in time domain...
2022
Three-Dimensional Seismic-Reflection Techniques
Hermann Buchholtz
Circum Pacific Council Publications
... the velocities is the azimuth. Dip and azimuth are eliminated from the analyzed velocity data, and result in RMS velocities. They are then used...
1989
Paleoslope Reconstruction In Sandy Suspended-Load-Dominant Rivers
Ranie M. Lynds, David Mohrig, Elizabeth A. Hajek, Paul L. Heller
Journal of Sedimentary Research (SEPM)
... analogues for rivers in the rock record: Journal of Sedimentary Research, v. 79, p. 773– 792. Dietrich, W.E., 1982, Settling velocity of natural particles...
2014
Chapter Four: Stratigraphic Interpretation
Alistair R. Brown
AAPG Special Volumes
... signature of this inferred channel is trough-over-peak, which implies high velocity material, given the polarity convention implicit in these data. After...
2011
Improving Stratigraphic and Structural Interpretation of Suban 3D Through Advanced Reprocessing
Safitri Nurida, Irfan Yuliandri Syukri, Ludy Andria
Indonesian Petroleum Association
... updates and migration. The initial velocity model was built using references from 12 wells, 5 horizons, and PSTM migration root mean square (RMS) velocity...
2019
Imaging Subsurface Structures Under Gas Clounds by Multi-Component Technology
Xiaogui Miao, Loh Fong Cheen, Libo Zi, Jing Du, Magali Beele, Jacques Bonnafe, Natalia Anggriani, Gilles Vallon, Claudio Strobbia
Indonesian Petroleum Association
... is the P-wave RMS velocity and is P-wave to Swave RMS velocity ratio. a is the elevation difference between shot and CCP and b is the elevation...
2014
Laboratory Experiments and Numerical Simulation on Bitumen Saturated Carbonates: A Rock Physics Study for 4D Seismology
Arif Rabbani, Jason Nycz, Zizhen Wong, Doug Schmitt, Ken Gray
Petroleum Exploration Society of Australia (PESA)
...% decrease of P-wave velocity for 10ºC to 130ºC change in temperature. Different slopes in velocity versus temperature plot may also indicate the possible...
2016
Abstracts: True-Amplitude PS Prestack Time Migration via 5D Interpolation; #90173 (2015)
Peter W. Cary, Albert Zhang
Search and Discovery.com
...: the converted wave RMS velocity vc , the vertical velocity ratio , the effective velocity ratio eff and the anisotropy parameter . is a non...
2015
Biogenic Gas Reservoir Distribution Analysis Using AI Inversion and Seismic Attributes in The Nias Basin, North Sumatra
Nurul Azizah Haris, Ninda Saphira Mustafa, Fathkhurozak Yunanda Rifai, Shaska R. Zulivandama, Sabrianto Aswad
Indonesian Petroleum Association
... Inversion The density and wave velocity in rock layers are important parameters in determining the value of acoustic impedance. The difference...
2020
High Performance Seismic Data Migration for High Resolution Interpretation
C. N. Chernoff
Indonesian Petroleum Association
... lateral velocity gradients stacking velocities can be used to calculate RMS velocities. The RMS velocities can be used directly in time migration programs...
1983
Improved subsalt imaging in the Eastern Mediterranean Sea with converted wave attenuation
Monica Hartmann, Jana Caskey, Benjamin Cole, James McLeman, Tom Rayment, Ares Ouzounis
International Meeting for Applied Geoscience and Energy (IMAGE)
... by a common velocity model. However, the use of a common velocity model is not a strict requirement. The kinematics of the different converted wave...
2024
Seismic HC Reservoir Prediction: A (Critical) Review on the Determination of Lithological Parameters from Seismic Data
Burkhard Buttkus
Geological Society of Malaysia (GSM)
... of depth to layer thickness (Schneider, 1969). Figure 8 shows the expected error of interval velocities as a function of the RMS-velocity error...
1985
Diving wave tomography: Velocity modelling using first arrival traveltime
Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu
Geological Society of Malaysia (GSM)
... for both qualitative and quantitative analysis (Nanda, 2016a). Different types of velocity, e.g. interval, average and root-mean-square (RMS) velocity can...
2022
Interferometry Application to Interpolate Missing 2D Seismic Data in Shot Gathers
Lily Suherlina, M.Yusup Nur Khakim, Hilman Mardiyan, Roy Baroes
Indonesian Petroleum Association
... Mean Square (RMS). In addition, this research learnt about redatuming Surface Seismic Profile (SSP – SSP), where it was conducted to transform...
2016
New perturbation-based traveltime approximation for elastic VTI media
Shibo Xu, Alexey Stovas, Xingguo Huang
International Meeting for Applied Geoscience and Energy (IMAGE)
.... The moveout approximation can be applied in the velocity analysis to estimate the root mean square (RMS) velocity for imaging. The accuracy of the inverted...
2022