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The AAPG/Datapages Combined Publications Database
Showing 19,842 Results. Searched 196,436 documents.
Checkshots and Vertical Seismic Profiles: Part 7. Geophysical methods
B. A. Hardage
AAPG Special Volumes
.... To understand reservoir performance, the boundaries of these units need to be mapped in depth. Thus, the concept of the velocity checkshot survey has been...
1992
Broadband Least-Squares Wave-Equation Migration
Shaoping Lu, Andrew Long, Alejandro Valenciano, Nizar Chemingui
Petroleum Exploration Society of Australia (PESA)
...Broadband Least-Squares Wave-Equation Migration Shaoping Lu, Andrew Long, Alejandro Valenciano, Nizar Chemingui Broadband Least-Squares Wave-Equation...
2018
Understanding Azimuthal P-Wave Anisotropy through Multiple Vendor and Attribute Comparisons
Jamie Rich, Breanne Kennedy, Marianne Rauch-Davies
Unconventional Resources Technology Conference (URTEC)
... measures of fracture orientation. Shear wave surveys which exploit the separation of polarization arrivals due to velocity anisotropy, tend to show...
2016
Slide Rule Seismic Computations
Robert H. Mansfield
Oklahoma City Geological Society
... of increase in velocity, and which correspond to Zmax, the vertical depth for a flat reflector below the shot point, and R, the radius of any wave front circle...
1958
Ultrasonic Investigation of the Kuala Lumpur Granite, Peninsular Malaysia
Ng Tham Fatt
Geological Society of Malaysia (GSM)
... for their ultrasonic velocities. The P-wave velocity (Vp) of the fresh samples are mainly between 4700 and 5500 ms· l , and S-wave velocity (Vs) between...
1992
Formation of Ripple Bands in a Wave-Convergence Zone
K. P. Black , T. R. Healy
Journal of Sedimentary Research (SEPM)
...Formation of Ripple Bands in a Wave-Convergence Zone K. P. Black , T. R. Healy 1988 Vol. 58 No. 2. (March), Sidescan sonographs of the Whangarei...
1988
Abstract: Fourier Domain Regularization 5D and More; #90174 (2014)
V. Khatchatrian
Search and Discovery.com
... data into frequency-wave number or multi-dimensional wave number domain is a natural tool for data regularization. However its efficiency comes with some...
2014
Role of Vortices in Surf Zone Prediction: Sedimentation and Wave Forces
Robert L. Miller
Special Publications of SEPM
... and toward slows spout of the vortex is wave a velocity the back of the down of number large a in this entrained in the circulation...
1987
3D Reservoir Characterization in the Grand Rapids Oil Sands; #40678 (2010)
Laurie Weston Bellman and Marnie E. Connelly
Search and Discovery.com
... a multi-attribute analysis approach (Russell et al., 1997). Wireline logs directly (or indirectly) measure P-wave velocity, S-wave velocity and density...
2010
Designing Coal-Bed Methane Seismic Acquisition Survey Parameters Using Finite Difference Modeling
Abdul Haris, Befriko Murdianto, Adriansyah
Indonesian Petroleum Association
...-wave transmission coefficient, and S-wave transmission coefficient, and v, w, and ρ are the Pwave velocity, S-wave velocity, and density, respectively...
2009
Transportation of Detritus by Moving Water: Part 1. Transportation
Filip Hjulstrom
AAPG Special Volumes
... assumption about the differences in velocity and content of sediment gave wave-lengths similar to those found in nature. This relationship holds just...
1939
Abstract: AVAZ and VVAZ Practical Analysis to Estimate Anisotropic Properties; #90224 (2015)
Yexin Liu
Search and Discovery.com
...: Geophysics, 51, 1954-1966. Tsvankin, I., 1997, Anisotropic parameters and P-wave velocity for orthorhombic media, Geophysics, 62, 1292-130 Wang, J. F...
2015
Abstract: Calculation of Amplitude and Velocity in General Anisotropic Media; #90224 (2015)
M. Malehmir and D. R. Schmitt
Search and Discovery.com
... velocity, n is wave normal, r is position vector, ci jkl is stiffness matrix and ρ is density of medium. Solution of velocities and displacements...
2015
Settling Velocity and Grain Shape of Maërl Biogenic Gravel
Siddhi Joshi, Garret P. Duffy, Colin Brown
Journal of Sedimentary Research (SEPM)
...Settling Velocity and Grain Shape of Maërl Biogenic Gravel Siddhi Joshi, Garret P. Duffy, Colin Brown 2014 718 727 Vol. 84 (2014) No. 8. (August...
2014
Rock Physics Modeling Optimizing Well Log and Core Data for the Abadi Gas Field
Shinji Matsuura
Indonesian Petroleum Association
... to the seven wells in the Abadi gas field. P-wave velocity (Vp) and S-wave velocity (Vs) from sonic-log is available in all the seven wells in the field...
2009
Abstract: Regular Grids Travel Time Calculation A Practical Huygens Wavefront Expansion Approach; #90187 (2014)
Zhengsheng Yao, Mike Galbraith, and Randy Kolesar
Search and Discovery.com
... grid wave traveltime calculation that is based on Huygens wavefront expansion and grid traveltime mapping. Wavefront expansion is carried out by finite...
2014
Inferring Stratigraphy from Seismic Data
R. E. Sheriff
AAPG Bulletin
... reflection of the contact between the thick low-velocity Sylvan Shale and the thick high-velocity Viola Limestone. However, with long seismic wave trains...
1976
Basin-Scale Rock Physics Study and Stochastic AVO Modelling for the Deep Water Kutei Basin (East Kalimantan Indonesia)
Gabriela Carrasquero, Alessandro Amato del Monte, Fabio Luoni, Paolo Battini, Gilbert Del Molino, Fabri Ikhlas Gumulya, Dedy Sulistiyo Purnomo, Nasif Khifni
Indonesian Petroleum Association
.... Then, depth trend analysis was carried out well by well for each elastic property: density, P-wave velocity and S-wave velocity with variability...
2014
Abstract: Detecting Basement Reservoir Fractures on Vietnam’s First Ocean Bottom Seismic Survey in the Cuu Long Basin
James Keggin, Joe Zhou, Nguyen Lam Anh
Southeast Asia Petroleum Exploration Society (SEAPEX)
... reveals azimuthal anisotropy on both PP and PS data where effects can be seen in azimuthally varying velocity fields, shear wave splitting and azimuthally...
2017
AVO Analysis for Porosity Determination: Abstract
D. Santoso, S. Alam, L. Hendrajaya, Alfian, S. Munadi, A. Priyono, Purwoko
Indonesian Petroleum Association
... of the Marquardt Technique (1963) to the Shuey Equation (1985). From the results, the velocity of the S wave can be determined and the porosity can...
1995
"Retrogradational Sand Sheets, Misoa Formation, Venezuela [Abstract]"
Ghosh, S.K., Croce, J.D.
CSPG Bulletin
.... The typical coarsening-upward sequence implies upward shoaling with an increase in current and wave energies. As bars grow upward, grain size and sorting...
1991
Abstract: Depth of Penetration of Geophysical Exploration Methods as Applied in Shallow Engineering Geological Investigations
Abdul Ghani Rafek
Geological Society of Malaysia (GSM)
... surveys and shows the dependence of the depth of penetration, in addition to the length of the seismic profile, on the p-wave velocity of each...
1986
Abstract: Spectral-Analysis-of-Surface-Waves Method: An Initial Assessment and its Potential Use in Geology
Mohd Azmi Ismail, Khairul Anuar Mohd Nayan, Abdul Rahim Samsudin, Abdul Ghani Rafek
Geological Society of Malaysia (GSM)
... homogeneous layers. Transient impact source on the ground surface is used to generate Rayleigh wave of different frequencies into the medium. From...
2001
Abstract: Getting Something for Nothing: Noise Attenuation in an Aliased World; #90174 (2014)
David C. Henley
Search and Discovery.com
... spatial sampling small enough to avoid aliasing the highest frequency components of the lowest-velocity surface wave energy. The offending noise can...
2014
Shallow VSP for Near-Surface Structure and Statics, #41535 (2015).
Soo-Kyung Miong, Robert R. Stewart, Joe Wong
Search and Discovery.com
... Alberta. The processed hydrophone VSP data showed distinct first arrivals and credible reflections. The P-wave velocity model is obtained by travel time...
2015