The Geophysicists' Bane: Multiple Suppression on the North West Shelf

C. R. T. Ramsden, M. R. Hobson, R. Cooper

Petroleum Exploration Society of Australia (PESA)

...-receiver wavelet, and long-period (to 300 msecs) multiples. A predictive deconvolution operator is designed based on an autocorrelation function...

Beyond chi-squared: Additional measures of the closeness of a model to data1

Alan G. Jones

Petroleum Exploration Society of Australia (PESA)

... is the Durbin-Watson (DW) statistic (Durbin and Watson, 1950; 1951). The generalized form of the DW statistic for an autocorrelation lag of 1 is given...

Investigating the Effect of Salinity on Counter-Current Two-Phase Flow Regimes in Annuli

Benjamin Wu, Mahshid Firouzi, Ayrton S. Ribeiro, Thomas E. Rufford, Brian Towler

Unconventional Resources Technology Conference (URTEC)

... (autocorrelation, power spectral density, Shannon entropy and permutation entropy) and high-speed image analysis were applied to characterize the two-phase...

Fluvial reservoir architecture, directional heterogeneity and continuity, recognizing incised valley fills, and the case for nodal avulsion on a distributive fluvial system: Kern River field, California

D. K. Larue, J. Allen, D. Beeson, and J. Robbins

AAPG Bulletin

... for autocorrelation of stratal markers in well logs (Ginger et al., 1995). The application works as follows. First, a stratigraphic top is defined in a well. To find...

Multiscale (nano to mm) Porosity in the Eagle Ford Shale: Changes as a Function of Maturity

Lawrence M. Anovitz, David R. Cole, Alexander M. Swift, Julia Sheets, Harold W. Elston, Susan A. Welch, Steve J. Chipera, Ken C. Littrell, David F. Mildner, Matthew Wasbrough

Unconventional Resources Technology Conference (URTEC)

... developed an autocorrelation approach based on this kind of imaging and have coupled it with X-ray CT imagery as part of this study (see below). While...

Kinematics of Sand Avalanches Using Particle-Image Velocimetry

Michael Tischer , Marcus I. Bursik , E. Bruce Pitman

Journal of Sedimentary Research (SEPM)

..., AND BUCHHAVE, P., 1993, PIV: comparison of three autocorrelation techniques: International Society for Optical Engineering, Proceedings, v. 2052, p...

Seismic Resolution in the Mahakam Delta

J. B. Beauchamp

Indonesian Petroleum Association

.... This rapid change is better illustrated by plate 7 where we have computed for different seismic arrivals at different depths the autocorrelation...

Simulation and Mapping of Space-Dependent Data in Geology

Michel Dagbert

CSPG Bulletin

... autocorrelation as existing data. Also, the similarity between the control data and the neighbour simulated values is in accordance with the spatial...

A Comparative Study of Wave Equation Multiple Suppression to Conventional Tau-p Deconvolution and Radon Multiple Attenuation Methods

Kriyanti Setiyono, Ken H. Matson

Indonesian Petroleum Association

... deconvolution eliminates multiples statistically, a design window has to be significantly longer than the operator length. If the autocorrelation window does...

Abstract: Nonstationary Predictive Deconvolution; #90172 (2014)

Gary F. Margrave, Michael P. Lamoureux

Search and Discovery.com

... because it operates directly on the individual Gabor slices. We also prescribe the construction of nonstationary autocorrelation functions...

Abstract: Simultaneous Multiple Source Acquisition using m-Sequences; #90187 (2014)

J. Wong

Search and Discovery.com

... an autocorrelation which is a delta function, while crosscorrelations between different members are exactly zero. Sets of real pilot signals will never be perfectly...

Abstracts: The Deconvolution of Multicomponent Trace Vectors; #90173 (2015)

Xinxiang Li, Peter Cary, and Rodney Couzens

Search and Discovery.com

... by the autocorrelation of a segment of the trace. In the Fourier domain the autocorrelation of a trace is its power spectrum. Extending the discussions...

Seismic-Based Volcano Identification and Characterization in HD Oilfield, Tarim Basin; #10747 (2015)

Yaonan Li, Guizhong Wang, Desheng Sun, Hongmei Zhang, Zhen Zou, Lin Yu, Sheng Cao

Search and Discovery.com

... autocorrelation analysis in the control line, it is evident that the wavelet variation due to shooting, receiving and near-surface changes is eliminated, thus...

Mapping, Locating and Recovering By-Passed Hydrocarbons - Workshop Summary

Thomas Hampton, Larry Lake, Skip Pack

PTTC

..., used to determine lateral autocorrelation and permeability trends. It provides an alternative to interference tests. The method can indicate...

Vaporchoc: Utilization of Steam as a New Seismic Source

P. Staron

Pacific Section of AAPG

...% deconvolution, AMCO H, TIVF. Figure 15. Flexotir 1200% and Vaporchoc 2 × 2400%. Figure 16. Autocorrelation, Flexotir and Vaporchoc. Figure 17. Flexotir 1200...

Time Series Analysis II

Gerard V. Middleton

Special Publications of SEPM

... extremes. There is no theory which indicates exactly what delay should be chosen but two guiding rules have been suggested: Plot the autocorrelation...

Hierarchy of Controls on Cyclic Rhythmite Deposition: Carboniferous Basins of Eastern and Mid-Continental U.S.A.

A. W. Archer

Special Publications of SEPM

... in three- and ultimately two-element rhythmites technique involves autocorrelation in which the thickness se technique involves autocorrelation...

Results of an Investigative Program for Direct Exploration for Gas-Oil Fields on the Rudenkov Monocline

Ye. P. Puzdrovskiy, V. S. Karpiy, V. T. Muravik, R. V. Gerasimovich, Ya. I. Guzik, P. P. Shostak

Petroleum Geology: A Digest of Russian Literature

... periods of phase autocorrelation of seismic reflections in Lower Permian and Lower Carboniferous sediments (%); C is helium concentration...

Application of Upscaling Permeability Workflow: Pore to Core Plug Scale on Malay Basin Thin Sections (Paper P6)

L. A. Lubis, Z. Z. Tuan Harith, K. A. Moh Noh, H. Khairy, A. Moh Salih

Geological Society of Malaysia (GSM)

..., L04606. Rubin, D. M., 2004. A simple autocorrelation algorithm for determining grain size from digital images of sediment. Journal of Sedimentary...

Amplitude Mapping of Reservoirs in North Africa

Search and Discovery.com

... because the actual down-going wavelet is measured directly and not determined by assumption. The autocorrelation of the VSP wavelet removes all...

Abstracts: Blind L1-norm Multichannel Deconvolution for Seismic Source Function Estimation; #90173 (2015)

Jaime Meléndez Martínez

Search and Discovery.com

... is the average autocorrelation matrix of the reflectivities, and is the average cross-correlation vector of the traces with the reflectivities. Estimation...

Abstracts: Akaike Information Criterion Applied to Detecting First Arrival Times on Microseismic Data; #90173 (2015)

Andy St-Onge

Search and Discovery.com

..., variance and autocorrelation over the time of the investigation. The first series is random noise and the second series records an energy motion over...

The Signal and the Noise: Forward Modeling of Allocyclic and Autocyclic Processes Influencing Peritidal Carbonate Stacking Patterns

Peter M. Burgess

Journal of Sedimentary Research (SEPM)

... by a superimposed, longer-term eustatic oscillation and parasequences generated are analyzed using runs analysis and Durbin-Watson autocorrelation. Results from...

Data Analysis and Model Development

Alan P. Byrnes

Special Publications of SEPM

... are re­ viewed in Table 18-5. Multicollinearity and Autocorrelation Because there is very frequently a high degree of correlation between independent...

BIOGEOGRAPHIC SHELL SHAPE VARIATION IN TROPHON GEVERSIANUS (GASTROPODA: MURICIDAE) ALONG THE SOUTHWESTERN ATLANTIC COAST

MARIANO E. MALVÉ, MARCELO M. RIVADENEIRA, SANDRA GORDILLO

PALAIOS

... for spatial autocorrelation, which could be indirectly influencing intraspecific morphoclines via shifts in growth rates. On the other side, shell size and shape...