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The AAPG/Datapages Combined Publications Database
Showing 8,343 Results. Searched 200,673 documents.
Abstract: Delineating Sand Channels using 3D-3C Seismic Data: Manitou Lake Heavy Oilfield, Saskatchewan; #90171 (2013)
Roxana M. Varga and Robert R. Stewart
Search and Discovery.com
... sonic log. Shear sonic logs are helpful in interpreting converted-wave data through the construction of PS-wave synthetic seismograms. Low Vp/Vs...
2013
Abstract: Application of Adaptive Lattice Filtering in Sonic Well Log, by Z. Zhou and T. W. Spencer; #90955 (1995).
Search and Discovery.com
1995
Post Migration Processing of Seismic Data
Dashuki Mohd.
Geological Society of Malaysia (GSM)
... sonic and density logs and a zero phase equivalent of the minimum phase wavelet in the seismic data. The synthetic is rotated at a constant interval...
1994
A Deep-Water VSP Borehole Seismic Case History With Lessons Learned, Problems Solved and Values Demonstrated
William L. Soroka, Vincent Favreu, Ericska Kariman, Aldrin Muchtar
Indonesian Petroleum Association
... to be in poor agreement with the surface seismic and synthetic from logs. After a thorough evaluation of the VSP data starting from the raw data through each...
2011
Inversion and Interpretation of Multicomponent Seismic Data: Willesden Green Field, Alberta; #20293 (2015)
Roxana M. Varga, John C. Bancroft, Robert R. Stewart
Search and Discovery.com
... and PS synthetic seismograms generated from well logs correlate reasonably with the surface seismic data. PP and PS inversion was applied to the vertical...
2015
AVO Response for Gas Sands of the Monserrate Formation, Upper Magdalena Valley of Colombia
C.J. Dueñas, M. G. de Freitas, A. Mantilla
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... MODELING for each Well Reprocessing preserving the amplitudes ( PSTM) Editing & Interpretation of Well logs CDP Gathers Generation of Synthetic CDP...
2006
Investigation of Devonian Unconformity Surface Using Legacy Seismic Profiles, NE Alberta, #80444 (2015).
Elahe P. Ardakani, Douglas R. Schmitt
Search and Discovery.com
...; Huebscher and Machel, 1997; Machel et al., 2012). Also, sonic and density logs are required for calculation of synthetic seismograms used in well-tie...
2015
Abstract: Investigating the Low Frequency Content of Seismic Data with Impedance Inversion; #90187 (2014)
Heather J. E. Lloyd and Gary F. Margrave
Search and Discovery.com
... data and the synthetic traces the sonic logs of the wells were stretched until key events matched. Figure 1 shows the seismic data and the well ties...
2014
Abstract: Building Better Models Making Full Use of Petrophysical Data; #90211 (2015)
Elizabeth L’Heureux
Search and Discovery.com
... be done using the cross-correlation of logs from different locations (see for example Wu et al., 1994). Synthetic Models Synthetic models can...
2015
Time-lapse crosswell seismic monitoring of CO2 injection at the Nagaoka CCS site using elastic full-waveform inversion
Rie Nakata, Nori Nakata, Aaron Girard, Masaru Ichikawa, Ayato Kato, David Lumley, Zique Xue
International Meeting for Applied Geoscience and Energy (IMAGE)
... synthetic waveforms. We develop a P-wave velocity Figure 3: Angle-gather waveforms showing traces model based on the sonic where source-receiver logs...
2022
Extended Abstract: A Geological 3D Velocity Model in Keathley Canyon and Walker Ridge, Gulf of Mexico
Sharon Cornelius, Pete Emmet
GCAGS Transactions
..., sonic logs from 92 wells, 19 vertical seismic profiles (VSP) or borehole seismic velocity surveys, and 38 calculated time versus depth tables derived...
2016
GeoSHAP: A Novel Method of Deriving Rock Quality Index from Machine Learning Models and Principal Components Analysis
T. Cross, K. Sathaye, K. Darnell, J. Ramey, K. Crifasi, D. Niederhut
Unconventional Resources Technology Conference (URTEC)
... variables. These geologic variables can include electric logs (gamma ray, resistivity, bulk density, sonic, etc.), interpreted logs (water saturation...
2020
Large-Scale Pore Pressure Prediction After Pre-Stack Depth Migration in the Caspian Sea (Geophysics Paper 24)
Norbert van de Coevering, Hazim Hameed Al-Dabagh, Liau Min Hoe, Tony Jolly
Geological Society of Malaysia (GSM)
... that the sonic logs do detect over pressure, hence it makes sense to use velocities for pore pressure prediction. Eaton’s method (1972, 1975) of predicting...
2008
An Overview of Ray Trace Modeling with an Example from the Wichita Mountain Front in Southern Oklahoma
Jan Dodson, Roger A. Young, Kevin Smart
Oklahoma City Geological Society
..., or rays, propagating through earth layers. As GXII® calculates ray paths, it also calculates arrival times and amplitudes of reflections. Synthetic...
2001
Figures 18 and 20
Search and Discovery.com
N/A
Seismic Inversion: Part 7. Geophysical Methods
Brian Russell
AAPG Special Volumes
... frequency component from the geological model. The result is a frequency band-limited version of the original sonic logs. This is shown in Figure 2...
1992
Use of Machine Learning to Predict Maximum Borehole Diameter for Multi-Stage Frac Completions
Murtadha J. AlTammar, Khaqan Khan, Rima T. Alfaraj, Rayan A. Alidi, Khalid M. Alruwaili
Unconventional Resources Technology Conference (URTEC)
... sandstone, were used to train a machine learning model for each dataset. LWD logs included gamma ray, sonic, density, azimuthal density, porosity...
2023
Estimating Seismic Anisotropy Parameters from Rock Properties in Wolfcamp Shales, Midland Basin
Jaewook Lee, David Lumley
Unconventional Resources Technology Conference (URTEC)
...) are measured from the dipole sonic logs, we compute the synthetic C12 and C13 logs based on the ANNIE model (d=0). Figure 1. Mineralogical ternary diagram...
2022
Peusangan–C1 Reef Interpretation with Top Reef Transparent to Seismic
L. B. Hinton, W. S. Atmadja, Suryo Suwito P.
Indonesian Petroleum Association
... 7. Peusangan–C1 Synthetic Seismogram and VSP A synthetic seismogram based on the sonic alone is shown in Figure 8. The reflection coefficient series...
1987
Abstract: Structural Framework Evolution and Timing of Oil Accumulations, Traditional Areas, Barinas Subbasin, Western Venezuela, by J. Daal, J. Salas, M. Lopez, G. Martinez, A. Marquez, and J. B. Dunham; #90951 (1996).
Search and Discovery.com
1996
Limitations on Resolution of Seismic Reflections and Geologic Detail Derivable from Them: Section 1. Fundamentals of Stratigraphic Interpretation of Seismic Data
Robert E. Sheriff
AAPG Special Volumes
... shape. This process is called synthetic seismogram construction where the input information is derived from well logs, and modeling where lateral...
1977
Developing a Versatile Method for Rock Physics Modeling in a Carbonate Reservoir by Integrating Rock Mechanic Laboratory Results, Petrophysical Analysis and Computational Rock Physics: A Case Study from The Kais Formation in the Salawati Basin
Al Hafeez, Ananto Wibisono, Rochmad, Khairil Iqbal, Agus Guntoro, Gianita Octavia
Indonesian Petroleum Association
... in the reservoir using sonic log- density relationship to generate sonic log deviation (sonic deviation = sonic velocity measured from sonic logs...
2016
Seismic Detection of Gas in Cretaceous Sandstones and Fractured Sandstones
Walter E. Johnson, William T. Brown Jr., James B. Peterson
Rocky Mountain Association of Geologists
... to be invaded with mud filtrate as depicted in Figure 3. When sonic and density logs are run they tend to see the rock invaded with filtrate rather than...
1995
Abstract: Fast and Accurate Impedance Inversion by Well-Log Calibration; #90171 (2013)
Igor B. Morozov and Jinfeng Ma
Search and Discovery.com
..., R. O., 1979, Synthetic sonic logs - A process for stratigraphic interpretation: Geophysics, 44, 3-26. Yilmaz, O., 1987, Seismic Data Processing...
2013
Abstract: Technical Poster Presentations – Wednesday 19 June 2024: A Solution for Complex Stratigraphic Issues in Tectonically Active Southeast Asian Basins: New Workflows and Wellsite Applications
Ehsan Daneshvar, Stephen Noon
Southeast Asia Petroleum Exploration Society (SEAPEX)
.... Elemental data are also routinely converted into mineralogy from which a V-shale, and synthetic density and sonic logs can be reported in real time. All...
2024