Nuevas Aplicaciones en PC del Análisis Espectral Instantáneo para la Detección Directa de Hidrocarburos en el Campo Stratton, EUA [PAPER IN SPANISH] New PC Applications for Instant Spectral Analysis for Direct Detection of Hydrocarbons in Stratton Mounta

H. A. Correa Correa, D. A. Ramírez Mejía

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... esas amplitudes (substituidas y no substituidas) la frecuencia de Nyquist fue calculada, la cual en este caso fue 250 Hz. dado que la tasa de muestreo...

CSPG/CSEG/CWLS GeoConvention 2013, May 6-12, 2013 Calgary TELUS Convention Centre & ERCB Core Research Centre, Calgary, Alberta, Canada; - Abstracts, #90187 (2014).

Search and Discovery.com

Assessing the internal character, reservoir potential, and seal competence of mass-transport deposits using seismic texture: A geophysical and petrophysical approach

Tiago M. Alves, Kuncho Kurtev, Gregory F. Moore, Michael Strasser

AAPG Bulletin

...., 1980, Use of high-frequency (3.5 kHz12 kHz) echograms in the study of nearbottom sedimentation processes in the deep-sea: A review: Marine Geology, v. 38...

Subsurface Structure of the Eastern Edge of the Zagros Basin as Inferred from Gravity and Satellite Data

Mohamed N. Bushara

AAPG Bulletin

... to geophysical prospecting: New York, McGraw-Hill, 630 p. Eckstein, B. A., J. Nyquist, and J. H. Luetgert, 1986, Two-dimensional and two-and-one...

Abstract: Chronologic Surface: A New Method for Dating Martian Landforms; #90172 (2014)

Radu Dan Capitan, Gordon R. Osinski, Marco Van de Wie

Search and Discovery.com

...., Golombek M.P., Hartmann W.K., Hauber E., Jaumann R., P. Masson P., Neukum G., Nyquist L.E. and Carr M.H. 2001. Geological processes and Evolution...

Evidence for Milankovitch Periodicities in Cenomanian-Turonian Lithologic and Geochemical Cycles, Western Interior U.S.A.

B. B. Sageman , J. Rich , M. A. Arthur , G. E. Birchfield , W. E. Dean

Journal of Sedimentary Research (SEPM)

... sampling interval, the P1 signal of precession (19 ky) lies close to the Nyquist frequency of the data (16.7 ky). Although this could lead to aliasing bias...

Fourier Grain-Shape Analysis of Coastal and Inner Continental-Shelf Sand Samples: Oceanside Littoral Cell, Southern Orange and San Diego Counties, Southern California

Robert H. Osborne, Chia-Chen Yeh

Special Publications of SEPM

... to twice the distance between suc cessive observations If the Nyquist frequency is exceeded error may be introduced by the incorporation...

Controls On Sedimentation and Cyclicity of the Boquillas and Equivalent Eagle Ford Formation from Detailed Outcrop Studies of Western and Central Texas, U.S.A.

Daniel J. Lehrmann, Wan Yang, Zachary T. Sickmann, David A. Ferrill, Ronald N. McGinnis, Alan P. Morris, Kevin J. Smart, Kirk D.H. Gulliver

Journal of Sedimentary Research (SEPM)

... results in one gamma-time unit = 13.5 Ky. Nyquist frequency is 10. Eight windows were used in the spectral analysis (Thomson 1982). Spectrum of gamma...

Three-Dimensional Sedimentary Architecture of a Large, Mid-Channel Sand Braid Bar, Jamuna River, Bangladesh

James L. Best, Philip J. Ashworth,, Charles S. Bristow, Julie Roden,

Journal of Sedimentary Research (SEPM)

... shift, and a 40% Nyquist frequency cutoff filter. Details regarding GPR data processing techniques and their impact on the interpretation of alluvial...

Modeling of Azimuthal Gamma Ray Tools for Use in Geosteering Unconventional Reservoirs

Haijing Wang, Ed Stockhausen, Dennis Wyatt, Dean Gulick

Unconventional Resources Technology Conference (URTEC)

... because measurements from sampling frequency higher than Nyquist frequency will alias back as noise in the logging data (Conaway et al., 1980...

The digital revolution in mudlogging: An innovative workflow for advanced analysis and classification of drill cuttings using computer vision and machine-learning

Simone Di Santo, Tetsushi Yamada, Karim Bondabou, Mahdi Ammar

International Meeting for Applied Geoscience and Energy (IMAGE)

..., that lead to have the exact pixel size. The resolution analysis led to 35 lines per mm which give the smaller measurable object, as per Shannon/Nyquist...

Efficient acquisition and imaging of high-resolution seismic data with the continuous wavefields method

Tilman Klver, Torben Hy

International Meeting for Applied Geoscience and Energy (IMAGE)

... in Figure 7. These f-k spectra demonstrate that spatial bandwidth recovered from the data can be extended beyond the Nyquist wavenumbers for the natural...

Active sampling design for seismic data based on dynamic matching distance

Yingjie Xu, Siwei Yu

International Meeting for Applied Geoscience and Energy (IMAGE)

... methods adhering to the Nyquist-Shannon sampling theorem, necessitate high sampling frequencies, which significantly contribute to the sampling theorem...

The Rise and Fall of a Cratonic Arch: A Regional Seismic Perspective on the Peace River Arch, Alberta

David W. Eaton, Gerald M. Ross, Jacqueline Hope

CSPG Bulletin

... frequency from 56 to 80 Hz. Unfortunately, seismic data quality in this region is seasonally variable and often better in the winter when the ground...

Compressive sensing framework using the linear radon transform for 3D ultrasonic data reconstruction in a pinch-out reservoir model

Pedro C. de Assis, Romulo B. da Silva, Irineu A. Lima Neto, Alan C. Galante, Alexandre L. Campi, Alessandro R. de Oliveira, Roseane M. Missagia, Marco A. R. Ceia

International Meeting for Applied Geoscience and Energy (IMAGE)

... are relatively well-understood. Some improvements in the recovery of pre-stack seismic data sampled below the Nyquist criterion were shown by Hennenfent...

Efficient lossy compression of seismic wavefields via GPU-based Tucker decomposition

Yongjie Tang, Wei Zhang, Wu Wang, Tao Lei

International Meeting for Applied Geoscience and Energy (IMAGE)

... in spatial and temporal compression are satisfied with the Nyquist-Shannon theorem in all test cases. Figure 3 shows the comparison of computation time...

Cambrian Shoreline Deposits in Northern Michigan

Charles A. Haddox, R. H. Dott, Jr.

Journal of Sedimentary Research (SEPM)

... of South Australia: Jour. Sed. Petrology, v. 49, p. 1229-1244. NYQUIST, J. E., AND WANG, H. F., 1988, Flexural modeling of the midcontinent rift: Jour...

Interpretation of Seismic Reflection, Gravity, and Magnetic Data Across Middle Proterozoic Mid-Continent Rift System, Northwestern Wisconsin, Eastern Minnesota, and Central Iowa

Val W. Chandler , Peter L. McSwiggen , G. B. Morey , William J. Hinze , R. R. Anderson

AAPG Bulletin

.... 11, p. 1-4. Nyquist, J. E., and H. F. Wang, 1988, Flexural modeling of the Midcontinent rift: Journal of Geophysical Research, v. 93, p. 8852-8868...

Fracture and Stratigraphy Characterization Using Full-Resolution 3D Ground Penetrating Radar (GPR) in Cretaceous Carbonates

Rizky P. Sekti, Gregor P. Eberli, Mark Grasmueck, Brita Graham-Wall, Jeffrey Lukasik

Indonesian Petroleum Association

... in all direction). Consequently, positioning precision needs to be better than an eighth of a wavelength (Nyquist, 1928) for correct grid assignment...

Scanning Electron Micrographs of Quartz Sand Grains from Cold Environments Examined Using Fourier Shape Analysis

Julian A. Dowdeswell

Journal of Sedimentary Research (SEPM)

... for Fourier shape analysis, and according to Nyquist's rule at least twice as many points must be known as the number of harmonics extracted. Each grain...

3-D Seismic Fault-Plane Images from Offshore Myanmar, Gulf of Thailand, and Lake Maracaibo: Insight into Regional Stresses and Hydrocarbon Migration Pathways; #40892 (2012)

John D. Pigott and Non Prapasanobon

Search and Discovery.com

... and some lineations may be artifacts resulting from the gridding interpolation process (those smaller than the spatial Nyquist are ignored) Amplitude...

Morphometry of blue land crab (Cardisoma guanhumi) burrows: ichnological context and paleoenvironmental implications

Christopher A. Sparacio, Ilya V. Buynevich, H. Allen Curran, Karen Kopcznsk

PALAIOS

..., Developments in Sedimentology 64: Elsevier, Amsterdam, p. 245–249. KOPCZNSKI, K.A., BUYNEVICH, I.V., CURRAN, H.A., CARIS, J., AND NYQUIST, J.E....

Applications of Photogrammetry to Neoichnological Studies: The Significance of Shorebird Trackway Distributions at the Bay of Fundy

Scott Melnyk, Anders Cowper, John-Paul Zonneveld, Murray K. Gingras

PALAIOS

...: 10.1080/10420940.2012.660414. KOPCZNSKI, K., BUYNEVICH, I., CURRAN, H.A., CARIS, J., AND NYQUIST, J., 2017, Imaging bioturbation in supratidal carbonates...

Sedimentology of Subarctic Tidal Flats of Western James Bay and Hudson Bay, Ontario, Canada

I. P. Martini

CSPG Special Publications

..., R. E, Nyquist, D. and Britch, R. 1972. Effect of waste discharges into a silt-laden estuary; a case study of Cook Inlet, Alaska. Institute of Water...

Macrotidal Subarctic Environment of Turnagain and Knik Arms, Upper Cook Inlet, Alaska: Sedimentology of the Intertidal Zone

Susan Bartsch-Winkler, A. Thomas Ovenshine

Journal of Sedimentary Research (SEPM)

... Inlet tidal stream atlas: Fairbanks, Univ. Alaska Inst. Marine Science Report R73-6, 24 p. MURPHY, R. S., CARLSON, R. F., NYQUIST, D., AND BRITCH, R...