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 83 Results. Searched 200,293 documents.
< Previous 1 2 3 4 Next >
An immersed boundary topography approach for TTI acoustic propagation
Edward Caunt, Rhodri Nelson, Tim MacArthur, Fabio Luporini, Gerard Gorman
International Meeting for Applied Geoscience and Energy (IMAGE)
... is a common phenomenon, producing nonspherical radiation patterns, distorting wavefronts, and shifting arrival times. Sequential deposition of sedimentary...
2024
New stability constraints for pseudo-acoustic finite difference TTI modelling and inversion
Rodrigo Fuck, Lorenzo Casasanta, Marcel Nauta
International Meeting for Applied Geoscience and Energy (IMAGE)
... of SV wavefronts computed for homogenous model from parameters for West Africa shale sample E4 reported on Wang (2002) with different σ: 0.56...
2024
Star: Shallow Time Anomaly Replacement
Michael O. Marcoux, Lee Lu
Southeast Asia Petroleum Exploration Society (SEAPEX)
... of source-detector pairs. By the reciprocity principle, the wavefronts observed are the same that would be recorded if the A-detector was replaced...
1982
Reading Between the Lines
Steve Harries
GEO ExPro Magazine
... downgoing depths enhances the low-frequency content and can increase the wavefronts derived from the Nessie-6 multisensor streamer signal-to-ambient-noise...
2012
Abstract: Multi-trace Acoustic-impedance Inversion with Transform-domain Sparsity Promotion; #90174 (2014)
Sanyi Yuan, Shangxu Wang, Ning Tu, and Xiang Li
Search and Discovery.com
... or models that are smooth except for discontinuities/wavefronts along piece-wise smooth curves. In this paper, we propose a multi-trace acoustic...
2014
Net Directions and Rates of Present-Day Beach Sediment Transport by Littoral Drift along the East Coast of Peninsular Malaysia
J. K. Raj
Geological Society of Malaysia (GSM)
.... This oblique approach leads to a net transport of beach sediment parallel to shorelines, as a result of sediment transport perpendicular to wavefronts...
1982
Magnetotelluric inversion using supervised learning trained with random smooth geoelectric models
Lian Liu, Bo Yang, Yixian Xu, Dikun Yang
International Meeting for Applied Geoscience and Energy (IMAGE)
...), and picking up the first arrivals of the seismic wavefronts (Ross et al. 2018; Zhu & Beroza 2018). In the meantime, many geophysicists explored the inversion...
2023
Toward elastic free-surface topography with immersed boundaries
Edward Caunt, Rhodri Nelson, Fabio Luporini, Gerard Gorman
International Meeting for Applied Geoscience and Energy (IMAGE)
... isotropy. The immersed free surface yields smooth reflected waves, and wavefronts corresponding to the expected conversions between compressive and shear...
2024
Broad bandwidths reveal double the expected sediment depth in the Northern Carnarvon Basin
Jo Firth, Mark Stanley
Petroleum Exploration Society of Australia (PESA)
... and therefore delivers unfocused ghost wavefronts, enabling attenuation of the ghosts by designature. The designature process requires the use of an accurate far...
2016
Data Enhancement from a 486-Channel Streamer
Bill Dragoset, Ken Larner
Pacific Section of AAPG
.... To preserve that detail, however, the time delays used in the beam-steering must be tailored to align the array effectively with the arriving wavefronts...
1980
High-resolution Measurements of Elasticity at Core Scale. Improving Mechanical Earth Model Calibration at the Vaca Muerta Formation.
Anton Padin, Gilles Pijaudier-Cabot, Alain Lejay, Hamid Pourpak, Jean-Philippe Mathieu, Atef Onaisi, Gregory Boitnott, Laurent Louis
Unconventional Resources Technology Conference (URTEC)
... velocity gage (Naik et al., 2003; Trtnik et al., 2009) measuring the transit time of the P- and S-wavefronts generated by a piezoelectric transducer...
2019
Australian Insights into Streamer Technology Innovations
Andrew Long
Petroleum Exploration Society of Australia (PESA)
... a conventional source array (upper) has all source elements fired simultaneously the (down-going) primary and ghost source wavefronts are parallel...
2009
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
... as this point of view is, it is more realistic to think in terms of a wavefront, the location of the disturbance resulting from a source. Wavefronts...
1977
Advances in Geophysical Techniques for the Detection of Drilling Hazards and Their Application to Seismic Exploration
D. C. N. Pratt, Tong Pow Mun
Southeast Asia Petroleum Exploration Society (SEAPEX)
..., noise, spherical spreading, emergence angles, reflector curvature, spherical wavefronts, transmission co-efficients, inelastic attenuation...
1990
What is Horizontal Resolution?
L. R. Denham, R. E. Sheriff
Indonesian Petroleum Association
..., but a static correction of necessity assumes a vertical direction of propagation; and only wavefronts traveling at any angle convey information...
1981
Separation of simultaneous source wavefields using convolutional neural network
Zhehao Li, Hua-Wei Zhou, Kang Fu
International Meeting for Applied Geoscience and Energy (IMAGE)
..., the interfering source wavefronts coming from other nearby shots behave as noise. This lays the foundations for separation of blended data by exploiting...
2022
Semi-inverse relationship between critical angle and reflectivity coefficient, and its implication in seismic survey design, processing, and interpretation
Chen Bao
International Meeting for Applied Geoscience and Energy (IMAGE)
... the wavefronts travel in sediments. That means for many reservoirs that are too shallow to allow the incidence angle to build up, it might...
2024
Time-lapse matching of OBN seismic data using 2D convolutional neural networks
Ramon C. F. Araújo, Gilberto Corso, Samuel Xavier-de-Souza, João M. de Araújo, Tiago Barros
International Meeting for Applied Geoscience and Energy (IMAGE)
... wavefronts do not take the same propagation paths as the reflections from the reservoir. The training region is defined as a rectangular region...
2024
Anisotropy Kinematics Clarified through Regime Rrays Model
William J. Vetter
Search and Discovery.com
... the nuances in anisotropy kinematics, the association details for wavefronts and “socalled rays” progression velocities with their analytical front...
Unknown
Anisotropy Kinematics Clarified through Regime Rrays Model
William J. Vetter
Search and Discovery.com
... the nuances in anisotropy kinematics, the association details for wavefronts and “socalled rays” progression velocities with their analytical front...
Unknown
Abstract: A Low Rank Based Seismic Data Interpolation Via Frequency-Patches Transform and Low Rank Space Projection; #90224 (2015)
Zhengsheng Yao, Mike Galbraith, and Randy Kolesar
Search and Discovery.com
... data, seismic events are sparse, i.e. energy is mostly concentrated at wavefronts that reflect from sub-surface reflectors, which means that if we...
2015
Wave-Front Diagrams in Seismic Interpretation
H. R. Thornburgh
AAPG Bulletin
.... 4) on the first underlayer line which will be on one of the wavefronts. (In the figure, the point A happens to coincide with the surface-first...
1930
Permafrost Studies in the Norman Wells Region, Northwest Territories
P. J. Kurfurst, R. M. Isaacs, J. A. Hunter, W. J. Scott
CSPG Special Publications
... spacing of the wavefronts under the roadbed, resulting from lower seismic velocities, indicates that permafrost is absent. The north half of the plot...
1973
Time-Lapse Seismic Monitoring of Individual Hydraulic Frac Stages Using a Downhole Distributed Acoustic Sensing Array
Gary Binder, Aleksei Titov, Diana Tamayo, James Simmons, Ali Tura, Grant Byerley, David Monk
Unconventional Resources Technology Conference (URTEC)
... velocity model is shown in green derived from a sonic log. Eikonal-based wavefronts are shown illustrating incident angles along the well from both sources...
2019
Assessing Single and Multiwell Fiber Optic Data for Microseismic Monitoring: An example from HFTS2
J. Andres Chavarria, Gustavo Ugueto, Yassine Oukaci, Lisa Laflame
Unconventional Resources Technology Conference (URTEC)
.... Analysis of the various fiber configurations revealed clear wavefronts in both horizontal and vertical portions of the B3H and B4H wells (Fig. 2). Arrivals...
2022
< Previous 1 2 3 4 Next >