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The AAPG/Datapages Combined Publications Database
Showing 16,664 Results. Searched 196,121 documents.
The Relationship Between a Grain's Settling Velocity and Threshold of Motion Under Unidirectional Currents
Paul D. Komar, Karen E. Clemens
Journal of Sedimentary Research (SEPM)
... of threshold, and a pivoting analysis of grain entrainment can yield a relationship between the threshold shear velocity u*t and settling velocity wm...
1986
Stratigraphic Velocity Interpretation: National Petroleum Reserve--Alaska: Chapter 12
E. W. Peikert
AAPG Special Volumes
... content, porosity, and formation pressure from seismic velocity data. Data from three sources are required to meet this objective: 1) stacked seismic...
1985
Advances in Depth Imaging Technology: Rock Physics Guided Migration of Seismic Data in 3D
Nader C. Dutta, Sherman Yang, Jianchun Dai
Indonesian Petroleum Association
... the pore pressure state. This is the basis of pore pressure analysis using velocity data in this approach. This is Step 6. In the present workflow, we...
2012
Section 2: Improvement of Seismic Images of Complex Tectonic Structure in Deep Water with Research-Level Processing Sequences
John Miller and Roland von Huene
AAPG Special Volumes
... have common midpoints at a common depth point (CDP). 3. Velocity analysis--applies the normal move-out (NMO) equation to the data using a series...
1986
Permanent Seismic Monitoring of the Ekofisk Field
Per Gunnar Folstad
GEO ExPro Magazine
... a prestack depth imaging sequence which will also include the converted (PS) waves. Repeatability of PS-waves for 4D seismic analysis will be tested...
2010
Abstract: Near Surface and Anisotropy Modeling Strategies for Fast-Track Land Depth Imaging; #90319 (2018)
Ernesto Sandoval-Curiel, Daniele Colombo
Search and Discovery.com
... by dynamic velocity analysis, while the medium- and short-wavelength terms are resolved by surface-consistent analysis of refracted and reflected data...
2018
Abstract: Impact of Accurate Velocities from Signal Fidelity Enhancement for Reliable Seismic Interpretation - Example from Kuwait, by Wael A. Zahran, Riyanto Purbokusumo, Nawaf Al-Muatairi, and Hamed M. Hameed; #90105 (2010)
Search and Discovery.com
2010
Delineation of Anomalously Pressured Gas Accumulations in the Riverton Dome Area, Wind River Basin, Wyoming
Ronald C. Surdam, Zun Sheng Jiao, Nicholas G. K. Boyd III
Wyoming Geological Association
... accumulations. In this study, seismic data processed by Echo Geophysical were used as the basis for the velocity analysis. The processing stream included true...
2000
Abstract: Modeling Sonic Velocity in Carbonates Using Thin Sections, by Gregor Baechle, Arnout Colpaert, Gregor P. Eberli, and Ralf J. Weger; #90078 (2008)
Search and Discovery.com
2008
Rock Physics Based Quantification of Carbonate Pore Type Effect on Permeability Heterogeneity: Application to the Wolfcamp Formation, Permian Basin; #51480 (2018)
Adewale Amosu, Yuefeng Sun
Search and Discovery.com
... and some dolomitic shales interbedded with laminated to bioturbated wackestones and packstones. Figure 4: Cross plot of velocity and permeability data...
2018
Velocity and Velocity
M. Al-Chalabi
Petroleum Exploration Society of Australia (PESA)
...Velocity and Velocity M. Al-Chalabi Velocity and 'Velocity' M. AI-Chalabi 1 Abstract Acquired seismic data contain the velocity distribution...
2000
Quantifying Velocity-Geology-Pressure Relationships in Core: The Foundations of a 4-D Seismic Feasibility Study in the Ichthys Gas-Condensate Field, NW Australia
Search and Discovery.com
N/A
A New Approach to Time Depth Conversion and Depth Error Estimation for 2D Interpretation Using Seismic Velocities
Rosidah Hardiani, Sanisah Soed, Lothar Schulte
Indonesian Petroleum Association
... seismic layers. These data points were visualized in a 3D display window that facilitated easy identification of true velocity and deletion of apparent...
2013
Abstract: 3D Pre-Stack Depth Migration in Permafrost Transition, Point Thomson Field, North Slope, Alaska, by N. C. Lian, J. R. Alldridge, J. R. Krebs, and J. Hefti; #90008 (2002).
Search and Discovery.com
2002
Abstract: Carbonate Reservoir Characterization Using Seismic Velocity and Amplitude Variation with Offset Analysis: Hardeman Basin, Texas, Test Case, by J. D. Pigott, R. K. Shrestha, and R. A. Warwick; #91004 (1991)
Search and Discovery.com
1991
Continuous Velocity Logging
H. R. Breck, S. W. Schoellhorn, R. B. Baum
Tulsa Geological Society
.... In addition to its use for correlation and for qualitative analysis of sediments, the CVL log offers measurements of the overall average velocity...
1955
Violet Grove CO2 Injection Project: Monitoring with Timelapse VSP Surveys; #80440 (2015)
Marcia Couëslan, Don Lawton, Michael Jones
Search and Discovery.com
... data displays higher bandwidth and increased resolution as compared to the surface seismic data; in particular, the PS-wave borehole seismic data shows...
2015
Non-First-Break Solution for Shallow Velocity Anomaly Problem; #41602 (2015)
Emil Blias
Search and Discovery.com
... example. This data has been obtained in an area where first breaks were very hard to pick. High-density non-hyperbolic constrained velocity analysis has...
2015
The Effects of Grain-Density Variation on Turbidity Currents and Some Implications for the Deposition of Carbonate Turbidites
James M. Hodson, Jan Alexander
Journal of Sedimentary Research (SEPM)
...). Subsets of the velocity data were used to calculate mean velocities through component parts of the flow recognized from the time-stamped video data...
2010
How Reliable Is The Negative Anisotropy In Carbonate Rocks? - Offshore East Java Basin Case Study
Jun Wang, Yonghe Guo, Pongga Wardaya, M Afiq B Mokhtar, Riaz Alai, Rizki Krishna Pratama, Haryono Haryanto
Indonesian Petroleum Association
.... Accurate anisotropy estimation is a key factor for velocity model updating in carbonate platforms. For most cases carbonate rocks are essentially isotropic...
2018
Abstract: Seismic Evidence of Formation Damage in the Lower Colorado Group Shales; #90172 (2014)
Jeremy Gallop
Search and Discovery.com
.... The anomalous zone crosses formations in the Lower Colorado Group and is most visible on shear velocity measurements. The areal extent of the anomaly...
2014
Ranking Influence of Microfabrics and Microporosity on Acoustic Propagation in Unconventional Tight Carbonate Reservoirs
Abdallah Abdelkarim, Mohammed Makkawi
Unconventional Resources Technology Conference (URTEC)
... velocity, S-wave V: s-wave velocity, MF: microfabric, MP: microporosity, ES: elastic strength, PS: pore size (area), CS: crystal size (diameter), SD...
2022
Integration of Time Lapse Seismic and Dynamic Reservoir Model Facilitate EOR Immiscible Water Alternating Gas (IWAG) Programme in Oil Field, Offshore Peninsular Malaysia, #40886 (2012)
Russikin Ismail, Noreehan Shahud, Yeshpal Singh, Ramli Ibrahim
Search and Discovery.com
... at colored by Sat Edited Logs at Reservoir Interval (LD & E) colored by VCL (A) and (B) Velocity versus effective stress response of core data of core...
2012
An Interpreter's Guide to Improvements in Depth Imaging Through Model-Based Velocity Estimation and Refinement
Andy Furniss
Indonesian Petroleum Association
... the velocity field and rescaling the data to depth. While PSDM is often seen as a panacea for seismic imaging it must be remembered that the process...
2000
Characterizing a Mississippian Carbonate Reservoir for CO2-EOR and Carbon Sequestration: Applicability of Existing Rock Physics Models and Implications to Feasibility of Time Lapse Monitoring Programs in the Wellington Oil Field, Sumner County, Kansas, #80530 (2016).
Anthony Lueck, Abdelomeam Raef, W. Lynn Watney
Search and Discovery.com
... characteristics. We will acquire P-wave and S-wave velocity data from core samples by running ultrasonic tests and compare them to sonic and dipole sonic...
2016