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

Zhou-Tuo Wei

International Meeting for Applied Geoscience and Energy (IMAGE)

... the alteration zone is given:  c 2 (7)     exp     r  c0   where, γ is used to control the velocity variation, and β is to control the attenuation...

Seismic signatures of pore fluid mobility in heterogeneous reservoirs

Qiuzi Li, Brent Wheelock, Tuan Tran, Fadil Santosa

International Meeting for Applied Geoscience and Energy (IMAGE)

... attenuation from poroelastic effects. We analyzed the poroelastic effects on elastic scattering and interference effects is key to making seismic...

Is There Value in Reprocessing Legacy Marine Streamer Seismic for Improved Resolution? A Recent Example from Indonesia

Dmitri Skorinski, Ted Manning

Indonesian Petroleum Association

... imaging push down and amplitude attenuation. The deeper data is characterised by a thick carbonate interval (Kais Formation) overlying a heavily karstified...

Fullband imaging

Zhengmin Zhang, Jiwei Jia, Geping Fu, Hao Zhang, David Chow, Barry Hung, Ian Anstey, Wai Leong Lai

Petroleum Exploration Society of Australia (PESA)

... processing, however, the attenuation effects of the Earth’s subsurface also need to be taken into account. To this end, the intrinsic anelastic nature...

X-Ray Computed Tomography: A Nondestructive Method for Quantitative Analysis of Sediment Cores: RESEARCH METHOD PAPER

Thomas H. Orsi , Carl M. Edwards , Aubrey L. Anderson

Journal of Sedimentary Research (SEPM)

..., 1975, Photon attenuation in computed tomography: Medical Physics, v. 2, p. 307-320. NARAYANAN, K., AND DEANS, H.A., 1988, A flow model based...

210Pb and 14C as Indicators of Callianassid Bioturbation in Coral Reef Sediment

P. D. Walbran

Journal of Sedimentary Research (SEPM)

... and representing a zone of intensive callianassid reworking; (2) An intermediate region of radioa tive attenuation in which excess 210Pb activity decreases...

Using x-ray computed tomography to estimate hydrate saturation in sediment cores from Green Canyon 955, northern Gulf of Mexico

Emma A. Oti, Ann E. Cook, Stephen C. Phillips, and Melanie E. Holland

AAPG Bulletin

... the attenuation in the x-ray beam energy (Brooks and Di Chiro, 1976). Attenuation is influenced by factors such as sediment grain and bulk density, atomic...

Distribution of ground motion seismic surface wave of the 2015 shallow strong earthquake at Ranau central zone seismically active region, Sabah, Malaysia

Bailon Golutin

Geological Society of Malaysia (GSM)

... attenuation on hard rock of Silva et al. (2002) for M5.5, M6.5 and M7.5. Figure 2: Comparison of PGA attenuation on hard rock of Pezeshk et al. (2011...

Field Testing of the Industrys First All-Muds At-Bit Resistivity Tool

Tsili Wang

Unconventional Resources Technology Conference (URTEC)

... attenuation and phase-difference resistivities at 800 kHz and 4 MHz frequencies, yielding four measurements for each of 16 sectors. Quadrant resistivity...

Marine Seismic Acquisition: Efficiency and Environment, New Technologies Applied in Australia

Martin Bayly, Michelle Tham, Peter Watterson, Binghui Li, Kevin Moran

Australian Petroleum Production & Exploration Association (APPEA) Journal

..., Carnarvon Basin, fine spaced multi-sensor streamer, marine towed streamer, noise attenuation, reduced high frequency energy airgun, source monitoring...

Joint OBN and 3D DAS-VSP data acquisition and processing in East China Sea

G. Yu, G. M. He, Z. L. Cao, H. B. Liu, J. J. Li, Y. Z. Chen, J. J. Wu, J. G. Li, X. M. Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... compensation factor, absorption attenuation factor and anisotropy parameters around the wellbore can be obtained. These parameters can be used to enhance...

Application of seismic spectral blueing based on generalized S-transform in high-quality reservoir prediction in gas cloud area

Pengzhi Zhang, Lei Liu, Zhiheng Jiang, Zhenglong Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... reservoirs in the gas cloud area. In order to eliminate the influence of energy attenuation in the cloud area and obtain more accurate seismic data...

A finite-element method to compute the seismic response in non-isothermal poroelastic media

Juan E. Santos, Gabriela B. Savioli, Jos M. Carcione, Jing Ba

International Meeting for Applied Geoscience and Energy (IMAGE)

... applications in a variety of fields, such as seismic attenuation, material science and shocks and vibrations (Zener, 1938, 1937; Lifshitz and Roukes...

Modeling-based amplitude recovery (MBAR)

Yonghe Sun, Zhemin Tan, Jeff Nealon, James Davenport, Mark Fan, Yuli Zhang, Brian Church

International Meeting for Applied Geoscience and Energy (IMAGE)

... successfully mitigate adverse effects (10~30% amplitude damage) caused by Radon attenuation of residual multiples...

Semi-quantitative prediction of hydrocarbon gas saturation in carbon dioxide enrichment areas in the South China Sea deepwater

Leyi Xu, Weiwei Zhang, Xumin Liu, Hao Liu, Jianfeng Yang, Yixuan Ma

International Meeting for Applied Geoscience and Energy (IMAGE)

... levels, enabling quantitative interpretation. In the context of isotropic media, White (1975) analyzed the compressional wave velocity and attenuation...

Analyzing the impact of additive and multiplicative noise on seismic data analysis

Akshika Rohatgi, Andrey Bakulin, Sergey Fomel

International Meeting for Applied Geoscience and Energy (IMAGE)

... in the field (Figure 1b) or during processing, significantly mitigates noise levels but at the cost of notable amplitude attenuation, particularly...

Wave Evolution in Cohesive Sedimentary Environments: Open Problems

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

GCAGS Transactions

.... 1121-1131. Forristall, G. Z., and A. M. Reece, 1985. Measurements of wave attenuation due to a soft bottom: the SWAMP experiment,: J. Geophys. Res., v. 90(C2...

ABSTRACT: 3D Characterisation of Potential CO&sub2; Reservoir and Seal Rocks, by Golab, Alexandra; Romeyn, Rowan; Averdunk, Holger; Knackstedt, Mark; Senden, Tim; #90155 (2012)

Search and Discovery.com

Abstract: Seismic Data Decomposition into Spectral Components Using Regularized Nonstationary Autoregression; #90187 (2014)

Sergey Fomel

Search and Discovery.com

.... Potential applications of the proposed technique include noise attenuation, seismic data compression, and seismic data regularization. Introduction...

Study on Characteristic Variability of Weak Signal in High Density Seismic Acquisition; #41351 (2014)

Wujin Chen and Anchu Wu

Search and Discovery.com

... by sensors is very weak because of absorption and attenuation by subsurface and deep layer during signal propagating. The high frequency component was much...

Study of Seismic Anomalies in the Frequency Spectrum as a Hydrocarbon Reservoir Characterizer; #42596 (2025)

Argenis Pelayo, Ivan Omaña

Search and Discovery.com

..., the generation of low-frequency anomalies, and the attenuation of high frequencies immediately below the reservoir. This effect is attributed to areas...

Reservoirs Come in All Shapes and Sizes, and Some are More Difficult than Others

Stephen Pickering, Steve McHugo

GEO ExPro Magazine

... positioning, fine spatial sampling, and calibration of source and receivers, resulting in improved noise attenuation and increased bandwidth...

Probable Fault Thinning of Devonian Brallier Formation Near Bluefield Virginia/West Virginia Suggested by Outcrop to Subsurface Correlation

Jeremy D. Middleton, Jonathan K. Filer, John M. Dennison

Appalachian Geological Society

... hypothesis, attenuation because of drag beneath the St Clair thrust, may accou for a fraction of general thinning throughout the section. It seems unlikely...

A Compensated Spectral Natural Gamma Ray* Logging System

C. Kessler, R. Washa, G. S. Yarbro

Indonesian Petroleum Association

... Natural Gamma Logging System was recently introduced which makes compensations to the elemental concentrations for attenuation due to borehole effects...

Work Processes to Mitigate Interpretation Pitfalls in Areas of Severe Seismic Multiples

Carl E. Helsing, Jesse Shaw

Indonesian Petroleum Association

... information from the data. Traditional multiple attenuation methods such as Radon and SRME can usually remove the typical surface related multiples...