Understanding Seismic Detection and Resolution of High-Frequency Sequences and Systems Tracts

Hongliu Zeng

Search and Discovery.com

... added t diti i i d t for dd d resolution. 3. AVF and phase shift are practical tools. Acknowledgments Ackno ledgments 1. Texaco Inc. (now Chevron...

Potential New Reservoir Targets Discovered in Channel and Canyon Features, Offshore Gabon; #10301 (2011)

Ron Borsato, Jennifer Greenhalgh, Ross Findlay, Sara Raussen, Hongwei Zhu, Mark Martin, Martial-Rufin Moussavou, Fanny Flore Moukoumbi

Search and Discovery.com

... to a standard regional grid (12.5 x 12.5m bins). Time and phase shift analysis (cross-correlation of traces in overlap zones between surveys) provides...

Simultaneous-Source High Fidelity Vibroseis System Cuts Time and Cost, by Bob Hardage, #40688 (2011)

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Advanced Time-lapse InSar for Reservoir Management; #40944 (2012)

Giacomo Falorni, Andy Higgs, Jessica Morgan, Andrea Tamburini, and Marco Minini

Search and Discovery.com

... point Millimetric Satellite Image 1 Satellite Image 2 Interferogram -π 0 Phase shift (Δθ) Phase Values +π • Quick, straightforward method...

Prediction of Porosity and Fluid Saturation from Full Stack Seismic Data Using Seismic Inversion and Neural Network Analysis, #42254 (2018).

Ahmed S. Ali, Hamed El-Mowafy, Ashraf Ali Hasan, Ali Khairy

Search and Discovery.com

... * . Operator . spectrum operator . 90° phase shift Model-Based Inversion Colored Inversion WR-1 • Thickness up to 100 ft. • Average...

Rapid Estimations of Dynamic Hydraulic Fracture Fronts from Cross-Well Low-Frequency Distributed Acoustic Sensing Strain-Rate Measurements

Smith Leggett, Erich Kerr, Ding Zhu, Dan Hill

Unconventional Resources Technology Conference (URTEC)

... interpret the optical phase shift. One such model, the “Zero Strain Location Method,” provides a simple, analytical means of estimating the dynamic...

Shape difference of mud clasts depending on depositional facies: application of newly modified elliptic Fourier analysis to hybrid event beds

Sojiro Fukuda, Hajime Naruse

Journal of Sedimentary Research (SEPM)

... overcomes the problem of the mirror symmetric property. The problem of mirror symmetric property is caused by the phase shift between each harmonic...

Stratigraphic Control and Formation Evaluation of Horizontal Wells Using MWD

L. R. B. Hammons, E. K. Fisher, D. H. Sellers

Pacific Section of AAPG

... transmitter and two receiver antennas. The phase shift and attenuation between the receivers are measured and converted to two separate resistivity...

Response of the Shelf Floor to Flow

Donald J. P. Swift

Special Publications of SEPM

... At sandbreak up into a series of sand waves (100 m spacing). waves scales there is a sufficient phase shift between bottom topography and the bottom...

CSPG/CSEG/CWLS GeoConvention 2012, May 14-18, 2012 Calgary TELUS Convention Centre & ERCB Core Research Centre, Calgary, Alberta, Canada; - Abstracts, #90174 (2014).

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Karst and Early Fracture Networks in Carbonates, Turks and Caicos Islands, British West Indies

Sean A. Guidry, Mark Grasmueck, Daniel G. Carpenter, Andrew M. Gombos Jr., Steven L. Bachtel, David A. Viggiano

Journal of Sedimentary Research (SEPM)

... shift migration focused the diffractions and correctly positioned dipping reflections. Constant migration velocities of 0.08 m/ns for the first survey...

Salt-driven evolution of a gas hydrate reservoir in Green Canyon, Gulf of Mexico

Alexey Portnov, Ann E. Cook, Mahdi Heidari, Derek E. Sawyer, Manasij Santra, and Maria Nikolinakou

AAPG Bulletin

... GC 955 001 were collected by Statoil Exploration in 1999 (McConnell, 2000), and we use the compressional traveltime log and the phase–shift resistivity...

Plate Motions and Southeast Asia: Some Tectonic Consequences for Basin Development

G. H. Packham

Southeast Asia Petroleum Exploration Society (SEAPEX)

... Geophysical Union Geophysical Monograph 19” pp. 253–269. 37. Louden, K.E., 1977, Paleomagnetism of DSDP sediments, phase shift of magnetic anomalies...

Seismic Profile Through Patrick Draw-Table Rock Area, East Flank Rock Springs Uplift, Wyoming

Robert T. Ryder, Myung W. Lee, Warren F. Agena, Robert C. Anderson

Wyoming Geological Association

..., migration, and the phase correction using the Hilbert transform. The seismic profile was plotted from a flat datum of 6,500 ft above sea level. Identification...

Origin of Rhythmical Bedding in Middle Miocene Siliceous Rocks of the Onnagawa Formation, Northern Japan

Ryuji Tada

Journal of Sedimentary Research (SEPM)

... is low (poorly preserved) and there is no significant phase shift. Also observable is a longer scale variation in the lamina preservation index...

A Proposed Integrated Multi-Signature Model for Peritidal Cycles in Carbonates

Guy H. Spence, Maurice E. Tucker

Journal of Sedimentary Research (SEPM)

... that there is a half-cycle phase shift in periods of deposition and the formation of drowning surfaces, relative to 4th- to 5th-order relative sea-level cycles...

Data processing workflow for reflections from cement-formation interface in ultrasonic pitch-catch measurement in cased hole

Shaopeng Shi, Hua Wang, Meng Li, Aihua Tao

International Meeting for Applied Geoscience and Energy (IMAGE)

... and TIE during the interpolation. We propose an interpolation based on the phase shift of A0 at different frequencies. The detail is described as follows...

The importance of viscoelastic waveform inversion in VSP: Synthetic studies

Yu Chen, Shujaat Ali, Takashi Mizuno, Pierre Bettinelli, Jol Le Calvez

International Meeting for Applied Geoscience and Energy (IMAGE)

... of 21 Hz (Figure 1a). More importantly, the attenuation results in a slower apparent Vp because of the phase shift along traveling distance. The used...

Estimating Rayleigh surface wave from ambient noise recorded by distributed acoustic sensing (DAS) dark fiber array in the city

Rafa Czarny, Tieyuan Zhu

International Meeting for Applied Geoscience and Energy (IMAGE)

...-frequency domain computed by the phase-shift method (Park et al., 1999). Fundamental and three higher modes can be easily identified. To invert dispersion...

An Advanced Interpretation Technique Integrates Well Log and Core Data for Thin-Bed Reservoir Evaluation

Ashok Sinha , Tony Lawrence , Bill Simmons

GCAGS Transactions

... two receivers, and the phase shift (or propagation time) between two receivers. The dielectric constant and the resistivity are calculated...

Integrated Geomechanical Interpretation of Hydraulic Stimulation Operations Using Distributed Vibration Sensing

Michael Williams, Joel Le Calvez, Colin Wilson, Adrian Rodriguez-Herrera

Unconventional Resources Technology Conference (URTEC)

... in time and space of the perturbations occurring to the fibre (i.e. the signal). A phase-shift map for the target fiber at rest is augmented by a linear...

Detecting Resistivity Tool Malfunctions in Coiled Tubing Drilling Using Generative Artificial Intelligence

Carlos Urdaneta, Cheolkyun Jeong, Xuqing Wu, Jiefu Chen

Unconventional Resources Technology Conference (URTEC)

... resistivity data from four CTD wells, including attenuation and phase shift measurements at 400 kHz and 2 MHz. The VAE learned to reconstruct healthy...

Modelling of Drift of Nearby Icebergs Using Wind and Current Measurements at a Fixed Station

E. D. Soulis

CSPG Special Publications

..., but in approximately the same direction. They respond to transitory currents with about one-half the amplitude of the current and a phase shift of 13.7...

Geophysics: Seeing the Whole Picture

Steve Morse, Gerrard Spear

GEO ExPro Magazine

... and data re-binned to a common grid. This will allow users the ability to remerge surveys using their own phase and shift parameters, without the need...

Extended Abstract: Refined RDIP and RSTRIKE Analysis Using Geocentric Sectoring of LWD Azimuthal Log Data for Enhanced Reservoir Navigation and Petrophysical Characterization: Theoretical Basis and Simulations

James J. Willis, Lauren A. Martz

GCAGS Transactions

...°) is off, resulting in a phase shift of the cosinusoid relative—this indicates that a correction is necessary to achieve geocentrism. Darker colored dots...