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The AAPG/Datapages Combined Publications Database
Showing 803 Results. Searched 197,434 documents.
Assesment of Structural Styles and Estimation of Stratigraphic Thickness, Stretching and Crustal Shortening in the Eastern Andean Cordillera, Colombia
Pedro A. Restrepo-Pace, Tomas Villamil
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... by breaking backward and/or out of sequence basement involved thrusting, to ultimately adjust to the critical taper. Large shortening values in excess...
1997
High-fidelity full-waveform imaging via impedance inversion
Feng Chen, Yu Zhang, Lian Duan, Weishan Han, Yilong Qin, Qianggong Song
International Meeting for Applied Geoscience and Energy (IMAGE)
... ) ( ; ; ) = −Δ ( ; ; ). (5 ) or better: Theory and Method 1 where and are forward and backward wavefields, respectively. Equation (2...
2023
Differentiable dynamic time warping divergences in full-waveform inversion
Mahesh Kalita, Lorenzo Casasanta
International Meeting for Applied Geoscience and Energy (IMAGE)
... the backward recursion strategy mentioned in Blondel, et al., 2021. Figure 3 shows the evaluation of adjoint sources of the proposed functionals...
2023
Semisupervised learning with knowledge embedding for horizon volumes calculation
Rui Guo, He Lin, Maoshan Chen, Chunfeng Tao, Yingnan Gao, Ruochong Wen
International Meeting for Applied Geoscience and Energy (IMAGE)
... implementation, we also applied forward and backward accumulation of alignment errors to improve computational stability. However, these two...
2023
Leveraging Reflection, Refraction, and Multiple Arrivals from Dual-Sensor Streamer Data for High-Fidelity Velocity Model Building and Imaging
G. Rønholt, J.E. Lie, Ø. Korsmo, B. Danielsen, S. Brown, S. Brandsberg-Dahl, A.V. Mavilio, N. Chemingui, D. Whitmore, M. Farouki
Indonesian Petroleum Association
... using primaries backward extrapolates the upcoming data as receiver wavefield, and forward extrapolates a synthetic point source. In SWIM, after...
2014
High-Resolution Anisotropic Earth Model Building on Conventional Seismic Data Using Full-Waveform Inversion: an Offshore Australia Case Study
Bee Jik Lim, Denes Vigh, Stephen Alwon, Saeeda Hydal, Martin Bayly, Chris Manuel, Dimitri Chagalov, Gary Hampson, Dimitri Bevc
Indonesian Petroleum Association
... seismic data. These modelled shots are then compared with the acquired (observed) recorded seismic shots. The residual differences are backward propagated...
2014
Sorting and Transportation of Material in the Swash and Backwash
O. F. Evans
Journal of Sedimentary Research (SEPM)
... continuously in suspension in the swash and backwash during the complete period of a forward and backward movement...
1939
Estimation of Nuclear Magnetic Resonance Log Parameters from Well Log Data Using a Committee Machine with Intelligent Systems
Rohmatul Aminah, M. Dwi Bagus Aurijanto
Indonesian Petroleum Association
... and corresponding desired output from the training data set. The error is then propagated backward through the net and the weights are adjusted during...
2015
Experiments on the Development of Tracks in Fine Cross-bedded Sand
Edwin D. McKee
Journal of Sedimentary Research (SEPM)
... invariably slide backward or lose balance and roll downhill, but at lower angles they left clear tracks both up and down the slopes (pl. 1, fig. 3). Trails...
1947
Determining Bedding Slip Planes With Microseismic Processing
Natalia Verkhovtseva, Ben Bagherian, Timur Mukhtarov
Unconventional Resources Technology Conference (URTEC)
... component expands to the southeast. Additionally, in this case, there is backward growth of the horizontal component toward the well toe, which could...
2017
5D Interpolation Using Orthogonal Matching Pursuit (OMP) Algorithm to Recover and Reconstruct Damaged Seismic Data, a Case Study in Jb Field, North West Java Basin
Andreas Wasi Kuncoro Kaissagara, Aji Rahmat Ginanjar, Arrie Kurniawan, Dimas Pramudito
Indonesian Petroleum Association
... trace. The expansion of the input data is 𝑓(𝑥 𝑗 ) ≈ ∑ 𝑙 ̃(𝑙)𝑒 𝑖2𝜋𝑙𝑥𝑗/𝑥 𝑚𝑎𝑥 𝑓 (Eq.1) The backward transform of the expansio...
2017
Graphic Treatment of Folds in Three Dimensions
A. J. Eardley
AAPG Bulletin
... of the construction backward for the determination of the intersection of the two planes, B and C, form the assumed intersection, a new or corrected dip...
1938
The Rough Range Oil Discovery 50 Years On
Phillip Playford
Petroleum Exploration Society of Australia (PESA)
... tended to regard Perth as a backward nonentity. West Austral ians were delighted that it had now been made clear that their State was important...
2003
Achieving Operational Excellence for Gas Lift Modeling in High Angle Wells with Multidisiplinary Approach
Farasdaq Muchibbus Sajjad, Michelle Santoso, Silvya Dewi Rahmawati, Steven Chandra, Annisa Prawesti
Indonesian Petroleum Association
... at higher angles (more than 30°) which appears as if the liquid is flowing backward. Due to density differences, liquid will be on the lower section...
2020
Backset Bedding Developed in Shooting Flow in Laboratory Experiments: NOTES
Alan V. Jopling , Everett V. Richardson
Journal of Sedimentary Research (SEPM)
... to rise to the level of the outwash surface. A backward growth of the outwash plain or delta would result in upslope deposition with crudely stratified...
1966
Concentric Marks: Current Indicators: NOTES
K. Werner Barthel
Journal of Sedimentary Research (SEPM)
... of the very exhausted fishes dragged a more or less linear trail, pulling its body backward by the beats of the tail fin. The tracks thus made were devoid...
1966
Lessons Learned from a Shale Gas Hallmark Well in the Eagle Ford Formation: The Case of the Well Emergente-1, the First Shale Gas Well in Mexico
Sergio Pérez Rodríguez
GCAGS Transactions
... of the FEMP. The blue discontinuous curves are extrapolations of the FEMP keeping the trends of PRR forward (F) or backward (B) in time beyond control end...
2019
Energy in the Reindustrialization of America
Michel T. Halbouty
AAPG Special Volumes
.... The American steel industry is a good example. It is technologically backward; it doesn't have the engineering resources to absorb the current technology...
1985
A Cathodoluminescence Microscope for Low Intensity Luminescence: RESEARCH METHOD PAPER
Karl Ramseyer , Josef Fischer, Albert Matter , Peter Eberhardt, Johannes Geiss
Journal of Sedimentary Research (SEPM)
... not only prevents surface charging but also acts as a mirror and thus enhances the luminescence intensity by reflecting the backward-directed (i.e....
1989
Estuarine Facies Models: Conceptual Basis and Stratigraphic Implications: REPLY
Robert W. Dalrymple , Brian A. Zaitlin , Ron Boyd
Journal of Sedimentary Research (SEPM)
... of the continental shelf as part of an estuary is unacceptable; such imprecise and unconstrained usage of the term estuary is a backward step tha impedes...
1994
Inverse Grading Resulting from Coarse-sediment Transport Lag
Bryce M. Hand
Journal of Sedimentary Research (SEPM)
... and shedding of eddies. A consequence of this circulation is that fine sediment is continuously lost from the head and carried "backward" into the mixing...
1997
R
John G. Dennis
AAPG Special Volumes
..., a root is the backward downward penetration of the anticlinal core, or of the thrust-mass, as the case may be. The conception is relative, rather than...
1967
ABSTRACT: Tectonic and Thermal forward modelling of Canadian Foothills An essential approach for reservoir appraisal, fluid flow and pore pressure history; #90011 (2002)
J. L. Faure, N. Benaouali, K. Osadetz, F. Roure
Search and Discovery.com
... intermediate geometries are uncompacted (backstripped) in a backward mode with the CERES software, and then used to model fluid flow and pore pressure...
2002
Abstract: Seismic Wave Attenuation due to Scattering and Leaky Mode Mechanisms in Heterogeneous Reservoirs; #90171 (2013)
Jun-Wei Huang, Gilles Bellefleur, and Bernd Milkereit
Search and Discovery.com
...) deterministic model demonstrated the weak backward scattering and explained the weak seismic expressions of hydrates on the surface seismic data. Here...
2013
Abstract: The Phase Shift Time Stepping Equation and the Marmousi Data Set; #90171 (2013)
Ben D. Wards, Gary F. Margrave, and Michael P. Lamoureux
Search and Discovery.com
... determination on a synthetic complex data set: The Leading Edge, 13. Whitmore, N. D., 1983, “Iterative depth migration by backward time propagation” presented...
2013