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The AAPG/Datapages Combined Publications Database
Showing 16,694 Results. Searched 196,374 documents.
Can Sparse OBN Equal Savings and Data Quality?
Yannick Cobo, Rodrigo Felicio, Carlos Calderon, Paul Farmer, ION
GEO ExPro Magazine
... to compare how different geometries might impact the ability to build accurate velocity models. Geology The study area is in ultradeep waters (2 km...
2021
Cross-Well Seismology: A New Production Tool
B. N. P. Paulsson, R. T. Langan
Indonesian Petroleum Association
... traveltimes. The traveltime inversion is nonlinear because the raypaths, as well as the traveltimes, are functions of the velocity field. A common approach...
1988
Three-Dimensional Depth Imaging of Seismic Data, with Examples from the Overthrust Belt of Southwestern Wyoming
Alvin K. Benson
Wyoming Geological Association
... (a) the complications produced by rapid lateral velocity changes, velocity pull-up, etc., and (b) the necessity of using a depth imaging process versus...
1995
Abstract: Pre-Stack Depth Imaging and Horizontal Velocity Analysis of Gas Hydrates off SW Taiwan, by B. J. Yang and T. K. Wang; #90090 (2009).
Search and Discovery.com
2009
Modern Seismic Techniques — A New Dimension in Exploration
John F. Partridge
Wyoming Geological Association
... a new dimension for exploration in the Bighorn Basin of Wyoming. Digitally recorded and processed seismic data utilizing the common depth point (CDP...
1975
Abstract: Uncertainty in 4-D imaging
Maria Kotsi, Alison Malcolm
Atlantic Geology
... this is time-lapse (4-D) seismic. Full Waveform Inversion (FWI) is a promising tool for 4-D analysis. The objective of FWI is to deliver a velocity model...
2016
Residual Temperature Analysis--Tracking Subsurface Fluid Migration: ABSTRACT
R. H. Pilger, Jr., Jeffrey A. Nunn
AAPG Bulletin
...Residual Temperature Analysis--Tracking Subsurface Fluid Migration: ABSTRACT R. H. Pilger, Jr., Jeffrey A. Nunn 1982 618 618 66 5. (May) Positive...
1982
3-D Trishear: Parameters and Possibilities
Search and Discovery.com
N/A
Abstract: Efficient High-Resolution Seismic Data for Near-Surface Corrections, by Tariq Alkhalifa, Ramzy AlZayer, and Majed AlMalki; #90077 (2008)
Search and Discovery.com
2008
Examples of Optical Analysis and Filtering of Seismic Record Sections: ABSTRACT
J. A. Long
AAPG Bulletin
...Examples of Optical Analysis and Filtering of Seismic Record Sections: ABSTRACT J. A. Long 1965 1086 1087 49 7. (July) When coherent light from...
1965
Abstract: Oil and Gas Exploration Emphasizing Overpressure-Enhanced HC Seals in Large Tertiary Deltaic Complexes; #90256 (2016)
Steven L. Getz
Search and Discovery.com
... traps is usually facilitated by a combination of log analysis, subsurface mapping, and reflection seismic methods that include: 1). inversion, fault...
2016
An Analysis of Factors Controlling Deviations in Hydraulic Equivalence in Some Modern Sands
Richard Lowright, E. G. Williams, Frank Dachille
Journal of Sedimentary Research (SEPM)
... was obtained from the larger sample by using an Otto microsplit. Settling velocity distributions for samples 1-29 were obtained using the equipment...
1972
ABSTRACT: Hidden Structure Revealed by a Simple 3D Velocity ModelMcAllen Ranch Field, Hidalgo County, Texas; #90117 (2010)
Richard C. Bain
Search and Discovery.com
...% faster than the overlying or underlying units. The top and base of the high-velocity unit were correlated over a wide area using 3D seismic and well...
2010
Abstracts: Synthetic Microseismic Files; #90173 (2015)
J. Wong, P. M. Manning, L. Han, and J. B. Bancroft
Search and Discovery.com
... arrays. The P and S velocity structures are discrete layers with horizontal boundaries representing geological structures common in many hydraulic fracture...
2015
Inferring Maximum Geostrophic Current Velocities in the Norwegian-Greenland Sea from Settling-Velocity Measurements of Sediment Surface Samples: Methods, Application, and Results
Klaus H. Michels
Journal of Sedimentary Research (SEPM)
... of the particles (settling velocity and grain size), current speeds were determined using a critical curve for the threshold of sediment transport (Miller et...
2000
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
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)
.... An accurate velocity model is required to accurately locate microseismic events. An initial velocity model is usually built using a sonic log...
2017
Depth Conversion in the Llanos Basin: Workflow to Reduce Fault Shadow Effect.
Andrew Chermak, Gabriel Veloza Fajardo, Juan Carlos Ramón
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... wells or of the Leon-C1 zone. To address these factors, two more complex methods: Average Velocity vs. Mid-point Depth (VAMPD) and Layer-caking using...
2009
Abstract: High-Accuracy Relative Event Locations using a Combined Multiplet Analysis and the Double-Difference Inversion; #90174 (2014)
Fernando Castellanos and Mirko van der Baan
Search and Discovery.com
...Abstract: High-Accuracy Relative Event Locations using a Combined Multiplet Analysis and the Double-Difference Inversion; #90174 (2014) Fernando...
2014
Abstract: Rock Physics Modeling in Montney Tight Gas Play; #90224 (2015)
Ayato Kato, Kunio Akihisa, Carl Wang, and Reona Masui
Search and Discovery.com
... velocity data are critical for seismic AVO analysis, it is often that S-wave sonic log has not been acquired in the key wells. In the cases, S-wave...
2015
VSP Lookahead of the Bit Information: Considerations and Accuracy Analysis, #42196 (2018).
P. Ranjan, M. Khaitan, S. Chandrasekhar, Basant Kumar
Search and Discovery.com
...VSP Lookahead of the Bit Information: Considerations and Accuracy Analysis, #42196 (2018). P. Ranjan, M. Khaitan, S. Chandrasekhar, Basant Kumar...
2018
SG14: The COCORP Seismic Reflection Traverse Across the Southern Appalachians - Data Acquisition and Processing
Frederick A. Cook, Larry D. Brown, Sidney Kaufman, and Jack E. Oliver
AAPG Special Volumes
... frequencies, editing of the unusable traces, sorting of the traces into common depth point (CDP) gathers, muting of the high amplitude surface noise...
1983
Application of Seismography to Geological Problems
Eugene McDermott
AAPG Bulletin
..., the velocity of a wave is different in the two ropes. A wave travelling down the light rope from its starting point at A is partly refracted...
1931
Discrimination of Depositional Environments Using Settling Tube Data
Asahiko Taira , Peter A. Scholle
Journal of Sedimentary Research (SEPM)
... sampling procedure, 2) analysis using a sensitive photo-extinction settling tube, 3) use of settling velocity as grain-size indicator, 4) use of 65...
1979
Elastic FWI imaging of a complex presalt structure using NATS data
Arthur Henrique, Luiz Felão, Sergio Barragan, Florian Jouno
International Meeting for Applied Geoscience and Energy (IMAGE)
... for both the acoustic and elastic cases. We started the analysis by comparing the RTM using the legacy velocity model (Figure 1a) with the FWI Images...
2023