The Milankovitch Interpretation of the Latemar Platform Cycles (Dolomites, Italy): Implications for Geochronology, Biostratigraphy, and Middle Triassic Carbonate Accumulation

Nereo Preto, Linda A. Hinnov, Vittorio De Zanche, Paolo Mietto, Lawrence A. Hardie

Special Publications of SEPM

..., 21.7 ky = Middle Triassic long precession period, and fa = apparent frequency, i.e., the trace of P1 in the spectrogram, in cycles/m. The effect...

The Array Sonic .... A New Technique for Acoustic Measurements

A. James

Indonesian Petroleum Association

... densities as well as mud velocity. More complex expressions are required to account for the effect of frequency. The velocity of the Stoneley wave...

The effects of marine currents on seismic data

Gary Hampson

International Meeting for Applied Geoscience and Energy (IMAGE)

... currents, which can attain velocities approaching typical seismic shooting speeds. It is argued that such currents may have a significant effect for OBN...

Fire-Related Sedimentation Events on Alluvial Fans, Yellowstone National Park, U.S.A.

Grant A. Meyer , Stephen G. Wells

Journal of Sedimentary Research (SEPM)

.... The primary geomorphic effect of the event was fan progradation over the Slough Creek floodplain. In addition to export of sediment from the basin...

A novel vector PP imaging condition for elastic reverse-time migration

Bingkai Han, Weijian Mao, Xiao-Bi Xie

International Meeting for Applied Geoscience and Energy (IMAGE)

... those lowwavenumber noises. In addition, K  introduces a damping effect at small backward scattering angles 2 r  0 , as highlighted by dashed lines 5...

Passive Margins: Eroded Carbonate Platform Margin--The Blake Escarpment off Southeastern United States

William P. Dillon, Anne M. Trehu, Page C. Valentine, and Mahlon M. Ball

AAPG Special Volumes

...-point stack, poststack time-variant deconvolution, and time-variant filtering and scaling. This processing resulted in the records of Figures 7 and 8...

Departures From the Archetypal Ichnofacies: Effective Recognition of Physico-chemical Stresses in the Rock Record

James A. Maceachern, S. George Pemberton, Kerrie L. Bann, Murray K. Gingras

Special Publications of SEPM

... potential, particularly where high frequency and/or high intensity storms are common. The emplacement of an event bed has a profound effect on the benthic...

The Asteroidal Impact Theory and Some Geologic Evidence for Asteroidal Impacts on Earth: A discussion of Direct and Indirect Data of Extraterrestrial Bodies and Their Motions and How They May Have Affected Earth Structures

Robert E. Cohenour, Byron J. Sharp

Utah Geological Association

..., the presence of a large cratering event will more than likely be represented only by its exposed root zone. Such a circular zone of large broken blocks devoid...

Is That Interference? A Workflow for Identifying and Analyzing Communication Through Hydraulic Fractures in a Multi-Well Pad

Ali Awada, Martin Santo, Dylan Lougheed, D. Xu, Claudio Virues

Unconventional Resources Technology Conference (URTEC)

... impact that can be seen by the reservoir. In these cases, the cause and effect can be easily correlated in time through the flowing pressure and rate...

Conceptual Design for Mitigating Harmonic Distortion on ESP Installation: Case Study in Kaji Semoga Field, Medco E&P Indonesia

Sandy Suryakusuma, Suprapto Atmowiranto, Dadang Darmawan

Indonesian Petroleum Association

.... Ilustration of THDv and THDi according to IEEE 519, is shown on Table 3 and Table 4. The following information will determine the effect of harmonics which...

GIANTS AMONG MICROMORPHS: WERE CINCINNATIAN (ORDOVICIAN, KATIAN) SMALL SHELLY PHOSPHATIC FAUNAS DWARFED?

BENJAMIN F. DATTILO, REBECCA L. FREEMAN, WINFRIED S. PETERS, WILLIAM P. HEIMBROCK, BRADLEY DELINE, ANTHONY J. MARTIN, JACK W. KALLMEYER, JESSIE REEDER, ANNE ARGAST, REBECCA L. FREEMAN, WINFRIED S. PETERS, WILLIAM P. HEIMBROCK, BRADLEY DELINE, ANTHONY J. MARTIN, JACK W. KALLMEYER, JESSIE REEDER, ANNE ARGAST

PALAIOS

... implications. A correct interpretation of these fossils is crucial in the context of the debate over the timing and effect of Late Ordovician climate change...

Outcrop analog for an oolitic carbonate ramp reservoir: A scale-dependent geologic modeling approach based on stratigraphic hierarchy

Frederic Amour, Maria Mutti, Nicolas Christ, Adrian Immenhauser, Gregory S. Benson, Susan M. Agar, Sara Tomas, Lahcen Kabiri

AAPG Bulletin

..., The effect of sedimentary heterogeneities on production from shallow marine reservoir: What really matters?: Society of Petroleum Engineers paper 28445...

Relating shale thickness to seal potential

Justin Palmer

International Meeting for Applied Geoscience and Energy (IMAGE)

... equals two. After filtering, 476 unique observations from 197 wells remain available for analysis. Apparent shale thickness ranges from ½’ to almost 800...

Application of petroleum systems analysis to resource assessments

Lukasz Krawczynski, Martin Neumaier

International Meeting for Applied Geoscience and Energy (IMAGE)

... at the trap and ultimately its effect on hydrocarbon phase and resource distribution. Theory The following description of the theory of the top-down approach...

Low Frequency Shadow Zone Analysis Based on CWT Spectral Decomposition: Case Study of South Sumatra Basin

Abdul Haris, I Nengah Suabdi, Erwinsyah, Adriansyah, Abdullah Nurhasan, Ahsanul Khair, Ian A. Kainama

Indonesian Petroleum Association

.... Spectral Decomposition of CWT The CWT provides a novel alternative in analyzing the seismic signal, which is essentially narrow band filtering...

Section Five: Use of Gravity Methods on Diapiric Structures

New Orleans Geological Society

...-Filter Maps Swartz (1954) used two-dimensional Fourier transforms to study the filtering effect of ring residual operators. He illustrated how this or any...

Broadband Seismic Technology and Beyond: PART X: IsoMetrix … Isometric Sampling

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... of the limitations is the effect called aliasing. Once more, we step back to basics. An example of aliasing can be seen when watching wagon wheels in old Westerns...

The Greeley 3-D Seismic Survey: One of the Nations Largest Urban Survey Leads to Niobrara and Codell Horizontal Activity

Jack M. Wiener, Tagir Galikeev, Collin Richardson

Unconventional Resources Technology Conference (URTEC)

... of residents (Figure 3). Finally, particle wave ground motion recorders at every vibration point were used to monitor the effect of the vibrator...

Safety Management in Drilling Operations

Captain J. Durrant

Petroleum Exploration Society of Australia (PESA)

... management can lead to the perception that s9-fety is a secondary consideration. Every incident, from "near-miss" to worse, has both a psychological effect...

History of Oil: A Time for Reflection

M. Quentin Morton

GEO ExPro Magazine

... the f ­ reezing of the ice had a similar effect. But that was in the days of old-style single-fold shooting, which was replaced by common depth shooting...

Improving fault resolution from multiple angle stacks by latent feature analysis with deep learning

Fan Jiang, Konstantin Osypov

International Meeting for Applied Geoscience and Energy (IMAGE)

... pixels with the greatest saliency effect, the deep learning framework utilized in this work extracts feature maps and analyzes latent features...

Occurrence of Oil in Metamorphic Rocks of San Gabriel Mountains, Los Angeles County, California

Arthur B. Brown, W. S. W. Kew

AAPG Bulletin

... in increased pressures and th s have produced somewhat the effect of filtering under pressure. A sample of oil from the most northerly well was recently...

Lithology characterisation of the roof and floor of the Moranbah measures coal seam using post-stack and pre-stack seismic inversion

Margarita Pavlova

Petroleum Exploration Society of Australia (PESA)

... reflection that is attributed to the filtering effect of a discontinuous seam, located 100 m above the target seam. More energy is transmitted where...

Geophysics and neural networks: learning from computer vision

Mark Grujic, Liam Webb, Tom Carmichael

Petroleum Exploration Society of Australia (PESA)

... dataset, the data generally undergoes several stages of processing and augmentation including gridding to a regular interval, filtering to remove noise...

3D seismic modelling fast adaptability in the face of operational constraints „ A case study

Clemence Cuvilliez, Aline Robin, Veronique Duprat, Camille Le Magoarou, Bruno Pagliccia, Severin Rubio, Enrico Zamboni

International Meeting for Applied Geoscience and Energy (IMAGE)

... been pre-conditioned (filtering to the frequency band of interest, time-to-depth conversion, resampling to the interval required for de-migration...