Elastic wave reverse-time migration with dynamic focused beams for weak anisotropic media

Ning Qin

International Meeting for Applied Geoscience and Energy (IMAGE)

... ( s p ) Q2 ( s p )  ,  1 p ) P2 ( s p )    ( s , s ) =  P (s  0 p (1) where ( P , Q1 ) and ( P2 , Q2 ) are the plane wave and 1 spherical...

Imaging Subsurface Structures Under Gas Clounds by Multi-Component Technology

Xiaogui Miao, Loh Fong Cheen, Libo Zi, Jing Du, Magali Beele, Jacques Bonnafe, Natalia Anggriani, Gilles Vallon, Claudio Strobbia

Indonesian Petroleum Association

...-wave velocity down for the structures underneath, which may not produce a uniform effect along all the azimuths due to the shape of gas cloud zones...

Vertical Seismic Profiling--A Measurement that Transfers Geology to Geophysics: Chapter 2

B. A. Hardage

AAPG Special Volumes

... be obtained from the synthetic seismogram. For instance, an upgoing VSP event exhibits some amount of curvature if the reflector that generates the event has...

erformance of Seismic Arrays in the Presence of Weathering Layer Variations, #41841 (2016).

Jubran Akram, Abdullatif A. Al-Shuhail

Search and Discovery.com

... traveling signal. We investigate the effect of variations in the near-surface layer thickness on the performance of arrays by studying their impulse...

Characterization of naturally fractured basement reservoir and its play concept, South Pattani Basin, Gulf of Thailand

Ugi Kurnia Gusti, Angus Ferguson

Geological Society of Malaysia (GSM)

... between overlying sediment and basement top while in the basement area, there is sub-parallel reflector continuity with medium to relatively high...

Seismic Lineament Analysis of a Fractured Limestone Reservoir in the Ujung Pangkah Field

Donald Easley, Ferry Yustiana, Azalea Hidayat

Indonesian Petroleum Association

... reservoir zone (Figure 2). This shear wave has a fairly linear particle motion polarization above our reservoir (as seen in figure 3 highlighted...

Stress-Dependent Permeability and Dynamic Elastic Moduli of Reservoir and Seal Shale

Daisuke Katsuki, Anton Padin Deben, Olawale Adekunle, Andrew J. Rixon, Azra N. Tutuncu

Unconventional Resources Technology Conference (URTEC)

... piezoelectric transducers. The polarization of S-wave (shear wave) transducers is aligned normal to the bedding plane as shown by Vshn in Figure 1...

Advances in Seismic Fault Interpretation Automation, by Randolph Pepper and Gaston Bejarano, #40170 (2005).

Search and Discovery.com

Seismic Interpretation of the Casper Arch Thrust, Tepee Flats Field, Wyoming

R. Randy Ray, Charles R. Berg

Rocky Mountain Association of Geologists

... A + Possible source for reflector '%" h - PROJECTED COASTAL OIL 8 GAS 2 - 7 - 3 6 - 8 6 Bullfrog Unit SE NW 7-36N-86W 8000'e c- W. A. MONCRIEF W.A....

Wave Evolution in Cohesive Sedimentary Environments: Open Problems

A. Sheremet, J. M. Kaihatu, G. W. Stone, X. Zhang

GCAGS Transactions

... also in the short wave band. The effect is illustrated in Figures 2 and 3a. Measured sea and swell variances at the two stations are plotted against time...

Seismic Attribute Expression of Differential Compaction; #41265 (2014)

Satinder Chopra and Kurt Marfurt

Search and Discovery.com

... and dikes are recognized as a means of generating fractures in overlying sediments. Seismic attributes, such as coherence and curvature, are used...

Comparison of Multi Azimuth 3D Survey With Conventional Single Azimuth Survey in a Complex Geological Area

Andrea Bergamaschi, Michele Buia

Indonesian Petroleum Association

... wave propagation. The main problem is represented by the highly uneven sea bed morphology, highlighted by several canyons with steeply dipping flanks...

Abstract: Calculation of Amplitude and Velocity in General Anisotropic Media; #90224 (2015)

M. Malehmir and D. R. Schmitt

Search and Discovery.com

... and polarization of incident plane wave, solutions for slowness of reflected and transmitted waves are derived from eigenvalues and eigenvectors...

Effect of Faulting on Fluid Flow in Porous Sandstones: Geometry and Spatial Distribution

Marco Antonellini, Atilla Aydin

AAPG Bulletin

... of the Mo b Member of the Entrada is bent by about 30° with respect to the horizontal plane (Figure 18b). The curvature of the strata is accommodated...

ABSTRACT: Comparison of an Estimated Shear Wave Model with a Measured Shear Wave Log; #90108 (2010)

Felix Oghenekohwo and George Smith

Search and Discovery.com

... presented in this study considers the effect of working with the measured data, a reprocessed shear wave log and a locally estimated shear wave log...

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

Changing Wave Parameters, Due to Shoaling, and Sediment Transport

William F. Tanner

GCAGS Transactions

.... In effect, this says that -- at the very least -- a single wave in the open ocean should have some variability in key parameters (such as wave height...

Easy Solutions to Stereonet Rotation Problems: GEOLOGIC NOTES

C. A. Bengtson

AAPG Bulletin

... for solving rotation problems on stereonets. The methods described are based on the concept of rotating a plane on the surface of a stereographic...

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

D. E. Miller, D. E. Dunster

Pacific Section of AAPG

.... The particle motion in the SV wave is also perpendicular to the direction of propagation, but it lies in the vertical or V plane. In both cases, the shear...

Geometric Constraints Derived from the Law of Conservation of Volume and Applied to Evolutionary Models for Detachment Folding: Geologic Note: (1)

CLINTON D. A. DAHLSTROM

AAPG Bulletin

... of concentric fold trains above nonductile detachment zones. The common geometric model for concentric folding above a detachment invokes a wave train...

Noise Attenuation in Common Receiver Gather to Enhance S/N Ratio in Seismic Data

Dara Felisia A, Triswan Mardani Ade Surya, R.B.Fauzan Irshadibima, Firman Syaifuddin

Indonesian Petroleum Association

... of wave sampling. The objective of noise attenuation in common receiver gather is to increase seismic data quality such as reflector continuity...

Moho, Basin Dynamics, Salt Stock Family Development, and Hydrocarbon System Examples of the North German Basin Revisited by Applying Seismic Common Reflection Surface Processing

Heinz-Juergen Brink, Dirk Gajewski, Mikhail Baykulov, Mi-Kyung Yoon

AAPG Special Volumes

..., which locally has the same curvature as the true reflector. The CRS stack sums the data along the green surface that coincides locally with the common...

SEISMIC REFLECTION SURVEYING FOR OIL AND GAS FIELDS IN NORTH CENTRAL TEXAS

TED COUGHRAN

Fort Worth Geological Society

... prospects, distortion of the Mississippian reflections at reef locations, local shallow lime buildups, and the McLester sand effect. Finally, hire...

Compressional and Shear Wave Seismic Studies in the Williston Basin of Central Saskatchewan

Bradley J. Carr, Zoltan Hajnal

Williston Basin Symposium

...). It is possible that the latter effect is due to the presence of fractured zones at the edges of the mound acting to attenuate P-wave seismic energy...

Application of Wide-Azimuth 3-D Seismic Attributes to Predict the Microfractures in Block MA Area for Shale Gas Exploration in South China

Yusheng Zhang, Gang Yu, Xing Liang, Li Jiang

Unconventional Resources Technology Conference (URTEC)

... the shale gas enrichment degree and hydro-fracturing effect of the shale gas reservoir, the development degree of shale gas reservoir fractures...