Joint designature of data with a diversity of sources

Shuki Ronen, Thibaut Allemand, Stphane Laroche, Philippe Herrmann, Hamish Macintyre, Maksym Kryvohuz, Guido Baetan

International Meeting for Applied Geoscience and Energy (IMAGE)

...𝑠1 (𝜔)| are at different frequencies to the zeros in |𝑠2 (𝜔)|, and as a result the problem of divide-by-zero is diminished, and the choice of the ...

3-D seismic Data in Delineating Productive Ismay Algal Mounds in Southern Paradox Basin, Utah, By, R.O. Louden, D.D. Lehman, W.E. Johnson and D.L. Edwards, Search and Discovery Article #40048 (2002)

Search and Discovery.com

Sonic Velocity in Carbonates„A Combined Product of Depositional Lithology and Diagenetic Alterations

Flavio S. Anselmetti, Gregor P. Eberli

Special Publications of SEPM

... caused by the different frequencies at which the two velocities are measured causes no significant velocity difference This good between the two...

Abstracts: Application of CSP Gather Modeling for Determination of Velocity Smoothing Operator for Prestack Kirchhoff Depth Migration; #90173 (2015)

Hassan Khaniani and John C. Bancroft

Search and Discovery.com

...Abstracts: Application of CSP Gather Modeling for Determination of Velocity Smoothing Operator for Prestack Kirchhoff Depth Migration; #90173 (2015...

The 'Geoseis' System: Seismic Prospecting with Detonating Cord - A Line Energy Source

D. W. Thompson

Petroleum Exploration Society of Australia (PESA)

..., it generates seismic waves as depicted in Figure I. The seismic waves generated will travel from the surface at the seismic velocity Vs· At time = To when...

SYNTHETIC SEISMOGRAMS

Search and Discovery.com

Near-Shore Ripples: Some Hydraulic Relationships

A. S. Trenhaile

Journal of Sedimentary Research (SEPM)

... the ripple reached the break point of the waves. Keeping the same wave characteristics, each experiment was repeated three times, using different...

Delineation of the Reservoir by Seismic Methods: Chapter 3

Roberto Sarmiento

AAPG Special Volumes

.... Higher frequencies are not recorded because of the combination of the outputs of several geophones on the ground attenuates high frequency. If we were...

Seismograph Interpretation as Related to Changes in Sedimentary Section in West Texas and New Mexico

John Daly , C. N. Page

AAPG Bulletin

... the average velocity from a datum plane to the top of the Ellenburger is shown. This represents the average velocity for travel of sound waves through...

Application of Seismography to Geological Problems

Eugene McDermott

AAPG Bulletin

..., the velocity of a wave is different in the two ropes. A wave travelling down the light rope from its starting point at A is partly refracted...

High Resolution “Vibroseis” Data – Compressional and Shear-Wave Modes

D. E. Miller, D. E. Dunster

Pacific Section of AAPG

... frequencies of seismic waves is more nearly wavelength dependent than frequency dependent. Thus, if the usable P-wave reflection spectrum is cut off...

Wave scattering by the formation velocity perturbation surrounding a fluid-filled borehole

Zhou-Tuo Wei

International Meeting for Applied Geoscience and Energy (IMAGE)

... the measurement is made, producing certain effect on seismic waves. For example, the heterogeneities of formation velocity and bulk density will cause...

Meramec Velocity Systematics

Jing Fu, Carl Sondergeld, Chandra Rai

Unconventional Resources Technology Conference (URTEC)

... difference in measurement frequencies. The Meramec velocity systematics are considerably different from published systematics. The Meramec shear-wave...

Elastic Wave Propagation Mechanisms in High-Temperature Deep Hydrocarbon Reservoirs Exhibiting Three-Phase Fluids

Jidong Gao, Bin Yuan, Wei Zhang, Hongbin Zhang, Caili Dai, Baohua Wang, Yuyang Liu

Unconventional Resources Technology Conference (URTEC)

... the mesoscopic attenuation peak to higher frequencies, while heat transfer amplifies attenuation in the ultrasonic frequency range. Introduction Elastic waves...

Application of Wave Equation Tomography in Frontier Areas

Tien-when Lo, Guy W. Purnell

Indonesian Petroleum Association

... Fourier transform of the scattered wavefield at each frequency, calculating the object function O(r) at those frequencies. The velocity profile C(r...

Sand Movement Along Equilibrium Beaches North of San Francisco

John A. Cherry

Journal of Sedimentary Research (SEPM)

... group classified as opaques and others. The frequencies of the various mineral species were computed using the sum of the transparent grains counted...

Structural Modification of Corals in Relation to Waves and Currents: Reef Biota

Richard R. Graus , John A. Chamberlain Jr. , Alexa M. Boker

AAPG Special Volumes

...). As the current decreases in velocity, the oscilla ory effect of waves passing over the reef crest becomes the dominant hydraulic factor. These waves...

Experience with Surface and Downhole Vector Wavefield Recording in Central Sumatra

Eddy Murhantoro, Jeff Wright

Indonesian Petroleum Association

... to lithology. To increase the S-waves velocity data base, three additional wells were recorded using the airgun source in a pit. These data enabled...

Processes Affecting Sand Transport on a Storm-Dominated Shelf

Christopher E. Vincent

CSPG Special Publications

.... Local wind-waves and swells have different influences on transport, and dominate in different regions of the shelf; the swell is largely unrelated...

Discussing Demigration Uncertainties Applied to Active Focused Seismic Monitoring

Baptiste Penot, Bruce Webb, Michele Buia, Gianluca Dell’Elce

Carbon Capture, Utilization and Storage (CCUS)

... then be compared, first in a map plot, and then as distances to the spot found using the original velocity model (Figure 2). Figure 2 highlights very different...

NMO Inversion for Multilayer Subsurface with Horizontal Transverse Isotropic layers

E. Blias

Search and Discovery.com

... the group velocity vP and group angle ȥ:: VP (\ ) V0  1 w 2VP 2 w\ 2 2 1 w 4VP · §S \ ¸  ¨ 24 w\ 4 ¹ ©2 4 · §S ¨  \ ¸  ... ¹ ©2 A reflaction...

NMO Inversion for Multilayer Subsurface with Horizontal Transverse Isotropic layers

E. Blias

Search and Discovery.com

... the group velocity vP and group angle ȥ:: VP (\ ) V0  1 w 2VP 2 w\ 2 2 1 w 4VP · §S \ ¸  ¨ 24 w\ 4 ¹ ©2 4 · §S ¨  \ ¸  ... ¹ ©2 A reflaction...

Porosity prediction from seismic attributes of the Ordovician Trenton-Black River groups, Rochester field, southern Ontario

O. C. Ogiesoba

AAPG Bulletin

.... Attenuation of high frequencies by the rock medium increases as the porosity of the rock increases. Thus, when seismic waves encounter faulted or fractured...

Data Enhancement from a 486-Channel Streamer

Bill Dragoset, Ken Larner

Pacific Section of AAPG

... at the different array elements in a laterally offset group. As a result, long arrays degrade recordings of these events – especially their high...

Synthetic Seismograms from Vibracores: A Case Study in Correlating the Late Quaternary Seismic Stratigraphy of the New Jersey Inner Continental Shelf

Dominic Esker , Robert E. Sheridan , Gall M. Ashley , Jeffrey S. Waldner , David W. Hall

Journal of Sedimentary Research (SEPM)

... and deepwater marine sediments of porosity, density, and the velocity of compressional and shear waves: Geophysics, v. 22, p. 523-552. ORSI, T.H....