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The AAPG/Datapages Combined Publications Database
Showing 17,739 Results. Searched 201,044 documents.
Abstract: The Elastic Look-Ahead Walkaway and Predictive Drilling Applications; #90213 (2015)
Scott Leaney, Alberto Malinverno, and Michael Jones
Search and Discovery.com
... of the variation of velocity in the earth is critical to imaging but also to time-to-depth conversion and pore pressure prediction. Vertical Seismic...
2015
Abstract: Fine Prediction of Thin Dolomite Using Multi-Wave Joint Inversion;
Hongqiu Wang, Kang Chen, Jianhu Gao, Guidong Di, Xin Guo
Search and Discovery.com
... analysis shows that the P-wave velocity of dolomite is lower than that of limestone, but the S-wave velocity and density are obviously higher than...
Unknown
Travel-time tomography for joint velocity and transducer location estimation
Edan Gofer, Raanan Dafni, Albert Shalumov, Ramon Axelrod, Moshe Oziel, Pinny Chaviv
International Meeting for Applied Geoscience and Energy (IMAGE)
...Travel-time tomography for joint velocity and transducer location estimation Edan Gofer, Raanan Dafni, Albert Shalumov, Ramon Axelrod, Moshe Oziel...
2024
Fractured Bedrock Hydrogeologic Characterization Using Digital Rock Physics, #42398 (2019).
Eric Goldfarb, Logan Shmidt, Ken Ikeda, Omar Alamoudi, Daniella Rempe, Nicola Tisato,
Search and Discovery.com
... to capture a representative elementary volume (REV) to be used in our analysis. Density models can be created by scanning alongside objects of known...
2019
A Hydrodynamic Classification of Grain Shapes
J.P. Le Roux
Journal of Sedimentary Research (SEPM)
...A Hydrodynamic Classification of Grain Shapes J.P. Le Roux 2004 135 143 Vol. 74 (2004) No. 1. (January) The relationship between the fall velocity...
2004
Comparative Analysis of effective gas wells liquid loading mitigation techniques (Velocity String, MWHC, SJP, Foam lifting, Cyclic Shut-in, plunger lifting): Enhancing Productivity in Low-Potential Gas Wells
Tarek Ismail, Abdeldjalil Latrach, Amer Elsayed
Unconventional Resources Technology Conference (URTEC)
...Comparative Analysis of effective gas wells liquid loading mitigation techniques (Velocity String, MWHC, SJP, Foam lifting, Cyclic Shut-in, plunger...
2025
Use of Seismic Refraction Techniques for Investigating Recent Landslides in a Tropical Rain Forest in Puerto Rico
Matthew C. Larsen
Circum Pacific Council Publications
... of their failure planes. Field observations and drill hole data were used to verify the accuracy of refraction data. The seismic velocity measured...
1995
Vector Constraints on Quaternary Deformation of the Western United States East and West of the San Andreas Fault
J. Bernard Minster, Thomas H. Jordan
Pacific Section SEPM
... is of limited utility in describing the kinematical complexities of regions where plate deformation contributes significantly to the velocity field...
1984
Passive Seismic: Thinking Differently
Katerina Polychronopoulou
GEO ExPro Magazine
... to obtain the P- and S-wave velocity distributions below the study area. These models usually extend from the surface to the maximum depth of local...
2018
NMO Inversion for Multilayer Subsurface with Horizontal Transverse Isotropic layers
E. Blias
Search and Discovery.com
... moveout velocity analysis and parameters estimation for orthorhombic media: Geophysics, 64, 820–837. Grechka V., Tsvankin I. and Cohen J. K., 1999...
Unknown
NMO Inversion for Multilayer Subsurface with Horizontal Transverse Isotropic layers
E. Blias
Search and Discovery.com
... moveout velocity analysis and parameters estimation for orthorhombic media: Geophysics, 64, 820–837. Grechka V., Tsvankin I. and Cohen J. K., 1999...
Unknown
A Risk-Reduction Recipe Using Frequency-Based Pore Pressure Predictions from Seismic
Roger A. Young, Robert D. LoPiccolo
GCAGS Transactions
...) The more traditional approach to pore pressure prediction using seismic data is based on an analysis of stacking velocities. This velocity-based (V...
2005
Abstract: Lamb Waves Recorded in Microseismic Monitoring Wellbores; #90174 (2014)
Andy St-Onge
Search and Discovery.com
... events were identified by their occurrence rate, apparent velocity and frequency content. Lamb waves have been identified on both datasets. They have...
2014
Application of Illumination Compensation to Irregular Surface Areas Imaging; #40773 (2011)
Yueming Ye and Ru-shan Wu
Search and Discovery.com
... with irregular topography. Based on our previous study, in this paper, we have done some further study and analysis about acquisition-aperture...
2011
Some Principles and Techniques Used in Reconstructing the Hydraulic Parameters of a Paleo-Flow Regime
Alan V. Jopling
Journal of Sedimentary Research (SEPM)
... values, and its determination constitutes the starting point in the analysis of paleo-velocity. It should be stressed here that the widely used...
1966
Nonparametric Bayesian approach for robust depth uncertainty estimation from seismic velocity and anisotropy tradeoffs
Jinsong Chen, Sizhuang Deng, Min Yang, Andrey Shabelansky, Cory Hoelting, Huafeng Liu, Maisha Amaru
International Meeting for Applied Geoscience and Energy (IMAGE)
... sources is the tradeoffs between seismic velocity and anisotropy properties. Despite the progress in depth uncertainty analysis using seismic data...
2024
The Hydraulic Equivalence of Mica: DISCUSSION
William A. Burroughs
Journal of Sedimentary Research (SEPM)
... and heavy minerals: Jour. Sed. Petrology, v. 37, p. 514-520. LOWRIGHT, R., WILLIAMS, E. G., AND DACHILLE, F., 1972, An analysis of the factors...
1985
Hydrodynamic Properties and Grain-size Characteristics of Volcaniclastic Deposits on the Mid-Atlantic Ridge North of Iceland (Kolbeinsey Ridge)
Reinhard Oehmig, Hans-Joachim Wallrabe-Adams
Journal of Sedimentary Research (SEPM)
.... Observations concerning different current expositions of central ridge sediments, combined with the parameters of settling velocity distribution, grain...
1993
Wave equation traveltime Kirchhoff with real data applications
Hu Jin, Vladimir Bashkardin, Petr Jilek, Chandan Kumar, Han Liu, John Etgen, Madhav Vyas, Ganyuan Xia
International Meeting for Applied Geoscience and Energy (IMAGE)
... high-resolution models. However, migration gathers are still needed for verifying the quality of the velocity model and for performing post-migration...
2023
Elastic full-waveform inversion at regional scale for the northern Gulf of Mexico
Yao Yu, Anastasia Pavlovskaya, Kim Shoemaker, Hongyan Li, Jennifer Qin, David Derharoutian Jr., John Law, Zhao Ge, Ruth Hammans, Vivian Robertson, Kate Glaccum
International Meeting for Applied Geoscience and Energy (IMAGE)
... been demonstrated to update legacy velocity models to represent salt basin structures more accurately. Imaging the base Louann and complex salt and weld...
2024
Flow Behavior of Ponded Turbidity Currents
Marco Patacci, Peter D.W. Haughton, William D. Mccaffrey
Journal of Sedimentary Research (SEPM)
... the upper layer is graded (concentration and grain size decrease upward). During the cloud inflation stage, the concentration and velocity profiles...
2015
Acquisition and Ananlysis of Wide-Angle Reflection and Refraction Seismic Data
Paul L. Stoffa
Circum Pacific Council Publications
..., postcritical reflections, and refractions. Detailed velocity analysis can be performed with little or no limiting assumptions. The transformed data can...
1989
Abstract: Seismic Reservoir Characterization of a Gas Shale Utilizing Azimuthal Data Processing, Pre-Stack Seismic Inversion and Ant Tracking
David Paddock, Christian Stolte, Lei Zhang, Javaid Durrani, John Young, and Thomas Hay
Houston Geological Society Bulletin
... velocity analysis and Ant Tracking results. Simultaneous amplitude versus offset (AVO) inversion was done on prestack data to invert for acoustic impedance...
2009
Sparse 3D seismic survey over the Olympic Dam IOCG deposit
Heather Schijns, Jared Townsend, David Haddow, Max Shawcross, Kathy Ehrig
International Meeting for Applied Geoscience and Energy (IMAGE)
...., 2023). later be extrapolated into a 3D starting model for further iterative velocity analysis during 3D PSTM processing. In turn, the resulting 3D...
2023
Acoustic approximation VTI reverse-time migration using pseudo-depth mapping method
Xinwen Zhang, Jianping Huang, Zhenchun Li
International Meeting for Applied Geoscience and Energy (IMAGE)
...) discussed their advantages in velocity analysis of isotropic media. Ma and Alkhalifah (2013) derived the isotropic and anisotropic wave equations...
2023