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Showing 1,256 Results. Searched 200,635 documents.
U-Th-Pb Systematics of Precambrian Rocks in the Laramie Mountains, Wyoming
I. T. Nkomo, J. N. Rosholt, J. R. Dooley, Jr.
Earth Science Bulletin (WGA)
... are to the right, indicating either Th gain relative to the daughter isotope 208Pb of lead loss relative to thorium. The coherence of the Pb-Pb system (Fig. 3...
1979
Submarine Volcanic Mudflows and Limestone Dikes in the Grayson Formation (Cretaceous) of Central Texas
Robert Greenwood
GCAGS Transactions
... on the seafloor. They must have had little coherence when the limestone dikes (q.v.) were emplaced -- a further indication of early alteration...
1956
Succesfull Heavy Oil and Extra Heavy Oil Prodution Testing Using Phasetester Vx* on Castilla for ECOPETROL
Imed Benlizidia
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... − Monophase ⋅ FCrey …. (5) This rewriting of Reynolds in multiphase is showing a clear coherence with the common understanding and interpretation...
2009
Relationship of Sequence Stratigraphy to Modern Sedimentary Environments: Example of the Mississippi Delta
John R. Suter, Ron Boyd
Bulletin of South Texas Geological Society
... is given coherence by the sequence stratigraphy approach. Each component of the sequence is genetically linked by the combination of sediment supply, sea...
1989
Integrated Petrophysical Methods for the Analysis of Reservoir Microarchitecture—a Kansas Chester Sandstone Case Study
John H. Doveton
Kansas Geological Society
... progressively more constricted at higher values as the surface approaches "irreducible" water-saturation values. The trend also loses coherence...
1999
Integration of active and passive surface seismic for understanding the variations observed during a stimulation campaign.
Paolo Primiero, Gorka Garcia Leiceaga, Joël Le Calvez
Unconventional Resources Technology Conference (URTEC)
... by improving the coherence and focusing of the envelope function. The algorithm also provides accurate results with low SNR events. Part of the model...
2013
Interpretative PSDM Workflow for Solving Complex Imagery Below Faults and Carbonates Reefs in South Mahakam, Kutai Basin: An Interpreters Point of View
Cepi Muhamad Adam, Nadir Abdoun, Bertrand Duquet, Florent Bertini, Yves Le Stunff
Indonesian Petroleum Association
... processing. The regional seismic interpretation leads to more coherence in the preexisting interpretation of the PSTM cube. A velocity model was also...
2009
A Successful Management of a High and Continuous Development Activity by Total E&P Indonesie Project Constrcution 2005-2009
C. Placines
Indonesian Petroleum Association
... success factor in the achievement of these remarkable HSE results over the years allowing: • building and ensuring coherence in demanding standards...
2010
Use of extended source inversion for estimating the noise level in seismic data
Huiyi Chen, William W. Symes, Susan E. Minkoff
International Meeting for Applied Geoscience and Energy (IMAGE)
..., coherence, etc), even for the simplest examples (Symes et al., 2022). Our use of the discrepancy principle to control the penalty weight has a good...
2022
Structural and Stratigraphic Evolution of the Southwest Sumatran Bengkulu Shelf
A. C. Howles Jr.
Indonesian Petroleum Association
... in the frequency and coherence of the reflection character as evidenced on seismic line 5 in Figure 7. The pick for Horizon C seemed to define a basement...
1986
Source Maturity, Overpressures and Production, North West Shelf, Australia
E. L. Horstman
Petroleum Exploration Society of Australia (PESA)
... geothermal gradient to high maturation gradient / high geothermal gradient. The data has poor coherence, but the plot did identify several wells...
1988
Southeast Asia: A Tectonic Triptych
Richard W. Murphy
Circum Pacific Council Publications
.... If there is any validity in this concept, it suggests a surprising degree of coherence in a region which is arguably the fore Figure 7. Cartoon of rigid...
1986
Co- and Post-Magmatic Modifications of the Oceanic Crust: Lead Isotope Evidences
Yongbin Sun
Geological Society of Malaysia (GSM)
... variation (Fig. 2) and reflect the geochemical coherence between U and Th with respect to their similar ionic radii (1.05 A for U+4 and 1.10 A for Th+4...
1996
Regularization by robust denoising for iterative simultaneous source separation
Breno Bahia, Mauricio D. Sacchi
International Meeting for Applied Geoscience and Energy (IMAGE)
.../10.1109/TGRS.2021.3086834. Lin, R., and M. D. Sacchi, 2020, Separation of simultaneous sources acquired with a high blending factor via coherence pass...
2022
Rheological and Chemical Properties of Alaska Heavy Oils
Matthew W. Liberatore, Andrew M. Herring, Kejing Li, Ala Bazyleva, Babajide Akeredolu, Manika Prasad, Michael Batzle
Unconventional Resources Technology Conference (URTEC)
... structural groups in 1-D broadband NMR spectra, 2-D gradient enhanced double filtered quantum coherence homonuclear shift correlation spectroscopy...
2013
Controls on Gravity-Driven Normal Fault Geometry and Growth in Stacked Deltaic Settings: A Case Study from the Ceduna Sub-Basin
Monica Jimenez, Simon P. Holford, Rosalind C. King, Mark A. Bunch
Australian Petroleum Production & Exploration Association (APPEA) Journal
..., J. J., and Watterson, J. (1991). Geometric and kinematic coherence and scale effects in normal fault systems. Geological Society London, Special...
2021
Ute Dome II: 3-D Seismic Attribute-Based Detection of Fracture-Swarm Sweet Spots in Paradox Basin (Pennsylvanian) Carbonates
B.S. Hart, M. Herrin, K. Nikolaissen, S. Ralser, S.P. Cooper, R.S. Balch
Rocky Mountain Association of Geologists
... and stratigraphic features: the coherence cube: The Leading Edge, v. 14, p. 1053-1058. Crawley-Stewart, C.L., 1995, 3-D solution to a 2-D pitfall...
2001
Shushufindi Field: Ecuadors Giant Revisited
J.Forney, H.San Martin, P.Enwere, J.Vega, P.Acuna, J.Ochoa
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... topographic map show the same linearity and NW-SE orientation. Recent 3D images from the Sacha Sur Coherence Cube volume and the Libertador 3D show...
2003
Geology and Petrology of the Cub River Diabase, a Late Pliocene Differentiated Mafic Intrusion, Northeastern Cache Valley, Idaho
Michael B. Winter
Utah Geological Association
.... Diagram is in weight percent and FeO* = total Fe as FeO. Petrogenesis The geochemical coherence of the diabase, monzonite and segregation veins...
1985
Rotational Kinematics of the Rocky Mountain Thrust Belt of Northern Montana
J.W. Sears
Montana Geological Society
..., and its fracture strength increased with depth to >2 GPa. Therefore, it retained great internal structural coherence during its rotational...
2000
Lithology Prediction by Extrapolating Well Data
Brian Barley, Dean Chergotis, Mai Wilson, Susan Young
Indonesian Petroleum Association
... (1980). Partial Coherence Matching of Synthetic Seismograms with Seismic Traces. Geophysical Prospecting, 28, 333-358. 1.0 Introduction This is a case...
1992
Ergodic Sampling: A New Data Acquisition Method to Gather More Information
Mengli Zhang, Yaoguo Li
International Meeting for Applied Geoscience and Energy (IMAGE)
...; Li et al., 2019; Jiang et al., 2018) extensively as the mutual coherence. We define a new vector x to characterize the artifacts in SRF. While µ only...
2023
Geomechanical and Flow Simulation of Hydrofracs Using High-Resolution Passive Seismic Images
Alfred Lacazette, William Dershowitz, Jan Vermilye
Unconventional Resources Technology Conference (URTEC)
... stochastically based on correlations to available data. Current three-dimensional seismic technology provides coherence, anisotropy, and velocity data...
2014
Microseismic Event Location Using Multiple Arrivals: Demonstration of Uncertainty Reduction
Zhishuai Zhang, James W. Rector, Michael J. Nava
Unconventional Resources Technology Conference (URTEC)
...), double-difference (Waldhauser and Ellsworth, 2000), coherence scanning (Drew et al., 2005; Duncan and Eisner, 2010), full-waveform inversion, and et al...
2015
Unconventional Processing for 3D Data: A 1993 Case History
Claude Eizlini, Jacques Bonnafe, Bugi Kamil, Gilles Bitoun
Indonesian Petroleum Association
...-migration FXY deconvolution. The same causes have also produced differences in the coherence/continuity and in the frequency content. Higher frequencies...
1994