Introduction to Fractals

Roy E. Plotnick

Special Publications of SEPM

... linear segment in now replaced with a one-third size duplicate of the original curve (Figure 1.3B). This procedure is then repeated (Figure 1.3C) until...

The Characterization of Fracture Mechanisms Using a Combination of Surface Microseismic Imaging, Microdeformation Modelling, and Downhole Microseismic Mapping: an Examination of the Value of Moment Tensor Migration Imaging

Raquel Velasco, Kit Chambers, Stephen A. Wilson

Unconventional Resources Technology Conference (URTEC)

... shear, deformation. Limits are placed on the applicability of tilt measurements because of environmental noise and the attenuation of observed tilt...

Reading Between the Lines

Steve Harries

GEO ExPro Magazine

... algorithm called the generalised matching pursuit (GMP) also makes the data more susceptible to environmental noise such method uses crossline (Vy...

Abstract: Image Enhacement After Migration; #90174 (2014)

John C. Bancroft, Thais Guirigay, and Helen Isaac

Search and Discovery.com

... will increase the noise. Seismic data before migration should be limited to a range of dips from 0 to 45o. Migration changes those dips range from 0 to 90o...

Abstract: Seismic Wave Attenuation due to Scattering and Leaky Mode Mechanisms in Heterogeneous Reservoirs; #90171 (2013)

Jun-Wei Huang, Gilles Bellefleur, and Bernd Milkereit

Search and Discovery.com

... factor is not consistent with the simple linear hypothesis: −1 − −1 − Qappt ≈ Qsc1 + Qleaky + Qint1 , where appt represents apparent attenuation, sc...

Abstract: Examination of Relations Between Modal Components Using Simulation Techniques, by J. C. Butler; #90972 (1976).

Search and Discovery.com

Target Detectability of Marine Controlled Source Electromagnetic Method … Insights from 1-D Modeling, #40751 (2011)

Souvik Sengupta,

Search and Discovery.com

... the attenuation of the electric field with distance so when the magnitude of the data measured in the unknown area is divided by the magnitude...

Seismic reservoir characterization of the Strawn Group, northern part of the Eastern Shelf, King County, North-Central Texas: Case study

Osareni C. Ogiesoba

International Meeting for Applied Geoscience and Energy (IMAGE)

... within the Strawn Group in King County. Because there appears to be a linear relationship between density and Vp/Vs ratio, and between acoustic impedance...

Abstract: Generalized Frames for Gabor Operators in Seismic Imaging; #90172 (2014)

Michael P. Lamoureux, Gary F. Margrave, Peter C. Gibson

Search and Discovery.com

... to the signal (smooth them, de-noise them, propagate them, migrate them). More basically, the Hilbert space is made up of vectors, and the linear...

Abstract: Empirical Mode Decomposition Based Instantaneous Spectral Analysis and its Applications to Heterogeneous Petrophysical Model Construction; #90171 (2013)

Jun-Wei Huang and Bernd Milkereit

Search and Discovery.com

...-x Noise Attenuation by Empirical Mode Decomposition, Expanded Abstract, 70th EAGE Conference & Exhibition — Rome, Italy. Bekara,M. and van der Baan...

The Development of a Tool and Methods to be used in Flow Path Detection behind Casing for use in the Fayetteville Shale

Nathan K. Combs, Larry Watters, Jessica McDaniel, Voldi Maki, C.R. 'Dicky' Hall

Unconventional Resources Technology Conference (URTEC)

... for a standard noise log tool as well as the results from proof of concept and subsequent component testing for a more sophisticated pulse style...

The Triangle Zone of the Argentine Precordillera: Insights From the Integration of Geological and Geophysical Data; #30445 (2016)

Pablo Giampaoli, Federico G. Spath

Search and Discovery.com

... with low signal to noise ratio due to bad coupling of seismic sources to the terrain, high attenuation and scattering in weathering layer, and steep dips...

Case Study: AVO and Attenuation Gradient Application in Banuwati-Mila Gas Fields

Zha Chaoyang, Shen Shuirong, Ari Masputra, Pei Daqing, Lu Jianjun

Indonesian Petroleum Association

...Case Study: AVO and Attenuation Gradient Application in Banuwati-Mila Gas Fields Zha Chaoyang, Shen Shuirong, Ari Masputra, Pei Daqing, Lu Jianjun...

Advances in Geophysical Techniques for the Detection of Drilling Hazards and Their Application to Seismic Exploration

D. C. N. Pratt, Tong Pow Mun

Southeast Asia Petroleum Exploration Society (SEAPEX)

..., noise, spherical spreading, emergence angles, reflector curvature, spherical wavefronts, transmission co-efficients, inelastic attenuation...

Abstract: Post-processing Technique to Relocate Microseismic Events Using the Double-Difference Method; #90187 (2014)

Fernando Castellanos and Mirko van der Baan

Search and Discovery.com

... beforehand to attenuate noise that might affect crosscorrelation values. After calculating crosscorrelation coefficients for all event pairs, we...

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)

... for sediment characterization, scan times range from 2 sec to 2 min depending on the generation (model) of the scanner. The linear X-ray attenuation...

An Integrated Multi-Analysis Procedure That Qualifies DHI’s: A Case History in the Louisiana Hackberry Trend

Russell Hoopes, W. M. Aber, Jr.

Bulletin of South Texas Geological Society

... Coefficients for Gas Sands at Non-Normal Angles of Incidence: Geophysics; Vol. 49, P. 1637–1648. White, J.E., 1975, Computed Seismic Speeds and Attenuation...

Depth conversion and seismic inversion of the Scarborough gas field

Joseph Kremor, Manish Agarwal, Paul Spaans, Ung Sing Wong

Petroleum Exploration Society of Australia (PESA)

... with Gaussian noise. The fitted curves demonstrate the effect of bias and variance. Bias is introduced when the model that is used to characterise...

Abstract: Application of combined enhanced aeromagnetic and digital elevation data in the geological interpretation of the eastern Meguma Terrane of Nova Scotia

M. S. King, R. J. Horne

Atlantic Geology

..., the DEM illustrates the presence of countless, parallel, northwest-trending linear features, resulting in a penetrative fabric at I :250 000 scale...

Developing a robust geologic conceptual model using pseudo 3-D P-wave seismic reflection data

Adrian D. Addison, Michael G. Waddell, Camelia C. Knapp, Duke T. Brantley, John M. Shafer

Environmental Geosciences (DEG)

... rate. This provided detailed information on lateral and vertical stratigraphic heterogeneity, subsurface velocities, and noise and signal attenuation...

-- no title --

user

Search and Discovery.com

...user Spectral Detection of Attenuation and Lithology M. S. Maklad1 and J. K. Dirstein2 1 Signal Estimation Technology Inc., Calgary, AB, Canada...

-- no title --

user

Search and Discovery.com

...user Spectral Detection of Attenuation and Lithology M. S. Maklad1 and J. K. Dirstein2 1 Signal Estimation Technology Inc., Calgary, AB, Canada...

Abstract: Petrophysical Evaluation of Carbonates from the Weyburn Oil Field using Synchrotron X-ray Computed Microtomography (CMT); #90211 (2015)

Chad Glemser, Tom Kotzer, Steve Whittaker, and Chris Hawkes

Search and Discovery.com

.... electron backscatter using SEM are improving the understanding of the relationship between the Linear Attenuation Coefficient (LAC), phase density...

Abstract: Surface-consistent Near Surface Deconvolution; #91204 (2023)

Ernesto Sandoval, Daniele Colombo, Diego Rovetta, Apostolos Kontakis

Search and Discovery.com

... Abstract A novel methodology for surface-consistent amplitude balancing of the near surface attenuation response has been developed using a new sorting...

Characterization of Fracture Length and Conductivity from Tracer Test and Production Data with Ensemble Kalman Filter

Siavash Hakim Elahi, Behnam Jafarpour

Unconventional Resources Technology Conference (URTEC)

... uncorrelated Gaussian noise with covariance matrix 𝐂 𝐝 , where the standard deviation of the observation error is equal to 20% of observed values...