Welcome to the new Datapages Archives
Datapages has redesigned the Archives with new features. You can search from the home page or browse content from over 40 publishers and societies. Non-subscribers may now view abstracts on all items before purchasing full text. Please continue to send us your feedback at emailaddress.
AAPG Members: Your membership includes full access to the online archive of the AAPG Bulletin. Please login at Members Only. Access to full text from other collections requires a subscription or pay-per-view document purchase.
Welcome to the new Datapages Archives
Search Results > New Search > Revise Search
The AAPG/Datapages Combined Publications Database
Showing 164 Results. Searched 195,387 documents.
Exact kinematic behavior of the P-SV converted wave in a vertical transversely isotropic medium
Guillaume Cambois
International Meeting for Applied Geoscience and Energy (IMAGE)
... wave does not have a wavefront (it propagates first as a qP wave and then as a qSv wave), Equations 24 and 25 give us the opportunity to create a pseudo...
2023
Phase-Ray Maslov Summation: A Complete Finite-Frequency Ray Method
Tianfei Zhu
Search and Discovery.com
.... It is, for example, a key element of the Kirchhoff migration algorithm which has been a major tool over the past decade for prestack depth imaging...
Unknown
Phase-Ray Maslov Summation: A Complete Finite-Frequency Ray Method
Tianfei Zhu
Search and Discovery.com
.... It is, for example, a key element of the Kirchhoff migration algorithm which has been a major tool over the past decade for prestack depth imaging...
Unknown
Taking Advantage of RTM Surface Offset Gathers for Iterative Salt Modeling and Subsalt Reservoir Image Enhancement
Search and Discovery.com
N/A
Basic Seismic Processing: Part 7. Geophysical Methods
Peter M. Duncan
AAPG Special Volumes
... width in space, which reduces spatial resolution. As the seismic wavefront travels outward from the source, it not only gets weaker (as a result...
1992
Seismic Exploration Using Shear Waves
R. Garotta
Indonesian Petroleum Association
... Velocity These seismic and resistivity logs show good homogeneity of the layer between 1.2 and 1.45 km depth. Thus, these limits have been chosen...
1978
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
... exploration are in the general range of 30 to 300 m. Wavelength generally increases with depth because: (1) velocity increases, and (2) frequencies become...
1977
Acoustic modelling with elastic AVA effects
Robin P. Fletcher, James Hobro, James Rickett
International Meeting for Applied Geoscience and Energy (IMAGE)
... acoustic FWI to build the pressure wave velocity model using diving wave long offset data and then fix the propagation velocity, restrict the offsets...
2023
Abstract: Prestack Signal Enhancement by Non-hyperbolic MultiFocusing; #90187 (2014)
Evgeny Landa, Alex Berkovitch, and Kostya Deev
Search and Discovery.com
... of the enhanced gathers for the true velocity model. Figure 4a shows the PSDM result using the original gathers. Figure 4b is a depth section obtained from...
2014
The effects of seismic anisotropy on mining seismology
Andrew King
Petroleum Exploration Society of Australia (PESA)
... falls. These uses of microseismics require that the seismic events be accurately located, which can only be done using an accurate velocity model...
2019
erformance of Seismic Arrays in the Presence of Weathering Layer Variations, #41841 (2016).
Jubran Akram, Abdullatif A. Al-Shuhail
Search and Discovery.com
... of the plane wavefront, Vw is the weathering layer velocity, b is the channel depth, and β is the angle of the line connecting the intersection point...
2016
Anisotropy Kinematics Clarified through Regime Rrays Model
William J. Vetter
Search and Discovery.com
..., (3) not direction-wise orthagonal to front tangent planes; (4) and, velocity or slowness magnitudes along loci directions differ from those in front...
Unknown
Anisotropy Kinematics Clarified through Regime Rrays Model
William J. Vetter
Search and Discovery.com
..., (3) not direction-wise orthagonal to front tangent planes; (4) and, velocity or slowness magnitudes along loci directions differ from those in front...
Unknown
II. Information Content and Resolution Potential of Seismic Data.
Norman S. Neidell
AAPG Special Volumes
... In the preceding figure we see that in time the propagation wavefront will strike the entire boundary and not just a single point. According to Huygen's...
1979
UNDERSTANDING THE FRESNEL ZONE
Search and Discovery.com
N/A
CRS-Stack and NIP-Wave Tomography Implemented to the SH-Wave Reflection Seismic Data for Shallow Hydrocarbon Prospecting (Paper P30)
M. R. Sule, A. A. Valencia, A. Hendriyana, U. Polom, C. M. Krawczyk
Geological Society of Malaysia (GSM)
..., and radius of curvature of NIP wavefront, RNIP), are then used Implementation of partial CRS-stack method as input data for velocity-depth determination...
2012
VSP: Lessons from Numerical Simulation
M. Suprajitno, S. A. Greenhalgh
Indonesian Petroleum Association
.... The upgoing waves (reflections) are characterised by a negative apparent velocity i.e. time increases with decreasing depth. Note how the upgoing primary...
1985
Imaging Beneath Gas - A Prestack Depth Migration Case Study (Paper 34)
Osman Khan, Uwe Klein-Helmkamp, Peter Whiting, Tim Chapman
Geological Society of Malaysia (GSM)
... to comprehend local lateral velocity variations, and interpretation of seismic data in the depth domain. This paper presents a case study from offshore...
2003
Constraints on Eolian Grain Flow Dynamics Through Laboratory Experiments on Sand Slopes
Richard R. McDonald , Robert S. Anderson
Journal of Sedimentary Research (SEPM)
..., and then steadily decreased to 10 cm/s towards the tail of the flow. The longitudinal velocity gradients created considerable longitudinal strain rates...
1996
Beam Migration for Imaging of Complex Structures
Karl Schleicher, John Sherwood, Lynn Comeaux, Mazin Farouki
Indonesian Petroleum Association
... and its associated migration properties enables a very limited wavefront Kirchhoff migration contribution to a 3D migrated depth volume (x,y,z...
2009
Abstract: Methods in Estimating Visco-Elastic Properties for Gas Cloud Imaging : A Multicomponent Seismic and Rock Properties Analysis (Geophysics Poster 6)
Ang Chin Tee, M Hafizal Mad Zahir
Geological Society of Malaysia (GSM)
... quality due to higher attenuation of P-waves, wavefront distortion which caused by low velocity distribution within the gas bodies and transmission...
2011
Novel Land and Marine Solutions Including Time-Lapse Using High Resolution Multi-Transient EM
Folke Engelmark
Indonesian Petroleum Association
... sampling in relation to target depth, and to achieve the necessary S/N at target levela in the shortest possible time given a particular source...
2008
Multiple Aliasing Problems in Marine Data
P. Chia, C. O. Kuek, P. Ward, K. S. Lee
Geological Society of Malaysia (GSM)
...: Series of linear, steep noise have frequently been observed on post-stack marine data. Such aliased noise is closely associated with data acquired...
1992
An acoustic wave equation with the gradients of velocity and density
Jianyong Bai, Orhan Yilmaz
International Meeting for Applied Geoscience and Energy (IMAGE)
...An acoustic wave equation with the gradients of velocity and density Jianyong Bai, Orhan Yilmaz An acoustic wave equation with the gradients...
2023
Improve Kirchhoff depth imaging using full-wave-equation traveltimes
Yongzhong Wang, Yang He, Alex Yeh, Faqi Liu, Bin Wang, Carlos Caldern
International Meeting for Applied Geoscience and Energy (IMAGE)
... Full waveform inversion (FWI) has become the main workhorse to derive highly accurate velocity models and is applied in nearly every depth imaging...
2023