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The AAPG/Datapages Combined Publications Database
Showing 768 Results. Searched 195,456 documents.
Tests of Plate Tectonics: PART 2
A. A. Meyerhoff , Howard A. Meyerhoff
AAPG Special Volumes
..., as orogenic belts are plotted backward in time, it becomes apparent that the earth formerly had several great-circle orogenic belts, of which only two remain...
1974
Fine-Grained Versus Coarse-Grained Wave Ripples Generated Experimentally Under Large-Scale Oscillatory Flow
Don I. Cummings, Simone Dumas, Robert W. Dalrymple
Journal of Sedimentary Research (SEPM)
... of the forward stroke was slightly more than that of the backward stroke) and time (the forward stroke took less time to complete than the backward stroke...
2009
Relationship Between Over- and Under-Thrusting as Revealed by Experiments
Theodore A. Link
AAPG Bulletin
..., thus deflecting it backward and giving rise to a "discoidal" fault (see white line). High-angle underthrust breaks near the push-block. Click...
1928
SLOW-SLIDING SLUMPS, GRAND MESA, COLORADO
Warren E. Yeend
Rocky Mountain Association of Geologists
... any, backward r o t a t i o n . S u b s i d i a r y t o a mapping p r o j e c t o f t h e a r e a begun i n 1963 (Yeend, 1969), a s t u d y was begun...
1973
The 1982 PESA Overseas Distinguished Lecture: The Politics of Petroleum
A. A. Meyerhoff
Petroleum Exploration Society of Australia (PESA)
... is relatively unexplored on account of backward technology. Because of this backward technology, the USSR probably will experience an oil shortfall during...
1983
Tectonic Evolution of the Barents Shelf and Related Plates: Evolution of Arctic Ocean Basin
W. B. Harland
AAPG Special Volumes
..., and the intervening seas and ocean basins is necessary. Working backward in time, I have "reversed" the late Phanerozoic spreading of the Norwegian and Greenland...
1973
Plate Tectonics, Seafloor Spreading, and Continental Drift: an Introduction
Peter J. Wyllie
AAPG Special Volumes
... of the stages of seafloor spreading, geologic history can be traced backward in time. The critical evidence for the model is based on the history...
1974
Regional Stratigraphy of Four Corners Area
C. D. Di Giambattista
Four Corners Geological Society
... regard to age divisions seems to the writer to be an unfortunate step backward for historical interpretation. With continued study, it probably...
1952
Cost Effective Horizontal Well Technology - Workshop Summary
R.G. "Bob" Knoll
PTTC
.../lessons learned. For horizontals multi-disciplinary asset teams are a must, as is the concept of designing the well "backward." Information...
2005
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
Ventura Avenue Field Landslides
Henry H. Neel
Pacific Section SEPM
... by bedding planes. This gives the Slide No. 7 a more or less "textbook" backward rotation on a curved slide surface. The deepest part of Slide No. 7...
1969
The Handil Oil Field in East Kalimantan
Ph. Magnier, Ben Samsu
Indonesian Petroleum Association
... by the rivers themselves but moved backward (upstream) at each ebb tide when the sea changes the flow direction in the river mouth. The only navigable passage...
1975
Size Distribution of Heavy Minerals in Sediments
John J. W. Rogers
GCAGS Transactions
... on the sedimentary debris. A petrologist examining a rock is faced with the problem of "working backward" from known distributions in order to determine...
1956
Tectonostratigraphic Terranes in China
George W. Moore
Circum Pacific Council Publications
... of seek ing "facts," and separately naming every suspect subterrane, is a long step backward for tectonic study. Precon ceived genetic concepts...
1990
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
Bluebird Canyon Landslide, Laguna Beach, California
Robert Sydnor
Pacific Section of AAPG
...; there was no backward rotation as associated with a rotational slump. The horizontal movement of the block essentially stopped when it overrode...
1979
Memorial: John Rice Ball (1881-1953)
E. C. Dapples, A. L. Howland
AAPG Non-Technical and Memorials
... the backward student to help himself. John Ball was an ordained minister when he decided to make geology and teaching his life work. The decision was not made...
1954
Impact of Uranium on the Economy of the State and the Southeastern Utah Area
Elroy Nelson
Utah Geological Association
... on the economy of Utah through 1966. This was in two decades with some backward spill into the period 1938 to 1946 but not into the radium period. We...
1967
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
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
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
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