Application of Quotient Normalization Technique To Minimize Errors In Diffuse Spectral Reflectance Data Collected Under Various Conditions

Emmanuel C. Nwaodua, Joseph D. Ortiz

Journal of Sedimentary Research (SEPM)

... + phycoerythrin + phycocyanin, smectite, calcite + dolomite, and illite + chlorophyll a. These lithological proxies were then plotted spatially using GIS...

Shallow High-Resolution Seismic Reflection to Delineate Upper 400 m around a Collapse Feature in Central Kansas

Richard D. Miller, Ana Villella, Jianghai Xia

Environmental Geosciences (DEG)

... the top and bottom of the salt are identifiable at 310 msec (400 m) and 430 msec (570 m), respectively. The high signal-to-noise ratio and resolution...

High Resolution Aeromagnetics as an Aid to Structural Interpretation Over the Muturi PSC, Irian Jaya

Neil A. W. Moig

Indonesian Petroleum Association

..., and a systems noise of less than 0.2nT. The results were excellent, and allowed resolution of lineaments and domains within both the basement...

Structural Analysis Using Spatial Filtering in Interior Plains of South-Central Alberta

J. E. Robinson , H. A. K. Charlesworth , M. J. Ellis

AAPG Bulletin

..., their distribution is approximately random. STRUCTURE-CONTOUR MAPS Data from the exploratory wells were used to construct structure-contour maps...

Abstract: Calibration and Uncertainty Assessment of Environmental Models: Methods and Applications, by Jasper A. Vrugt and Bruce A. Robinson; #90066 (2007)

Search and Discovery.com

Abstract: Managing and Populating Scanned Exploration Geology and Geophysics Data in GIS, by Larry Zhang; #90077 (2008)

Search and Discovery.com

Abstract: Magnetic Resonance Imaging of Petroleum Reservoir Cores; #90211 (2015)

Florea Marica, Quan Chen, Bruce Balcom, Tom Al, Karl Butler, and Murray Gingras

Search and Discovery.com

... and determination of water and oil phases may now be spatially resolved. A very wide range of laboratory core plug studies, spatially and temporally...

Abstract: Using Mass-Balance Organic Geochemistry to Spatially Delineate the Spectrum of Hybrid Unconventional Plays in the Lower Green River Formation, Uinta Basin; #91212 (2025)

William Drake

Search and Discovery.com

...Abstract: Using Mass-Balance Organic Geochemistry to Spatially Delineate the Spectrum of Hybrid Unconventional Plays in the Lower Green River...

Permeability Prediction from Geologic Models

Steven Bryant , Christopher Cade , David Mellor

AAPG Bulletin

... of the random network thus created is 78% greater than that of the actual, spatially correlated network. This effect arises because the high conductivity paths...

Post-stack 3D merging to fast-track regional interpretation … offshore Otway Basin case study

Merrie-Ellen Gunning, Scott Wilkinson, Pei-Fei Chau, Cameron Mitchell, Jennifer Badry

Australian Energy Producers Journal

...­ nuity between volumes. Additional enhancements including noise removal and lateral amplitude scaling were also applied. The final merged volume offers...

Stratigraphic Delineation of the Baong Sandstone by High Resolution Acoustic Inversion in the North Sumatra Basin

L. R. Weathers, R. B. Helm

Indonesian Petroleum Association

... depth were minimized. Great care was taken to preserve good signal to noise ratio and optimum multiple energy attenuation by deconvolution methods...

Premigration attenuation analysis and mapping to image domain by weighted migrations

Yonghe Sun, Chunling Wu, Mark Fan, Zhemin Tan

International Meeting for Applied Geoscience and Energy (IMAGE)

... for spatially varying Q. The drawbacks of the approach include workflow complexity and spectral distortions by depth migrations. We propose picking...

Integrated 3D Seismic Data Modeling and Processing Methodology for Structural Model Analysis: Case Study

T. Salinas

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... the identification of horizon of interest. This approach proved to help to focus the seismic energy increasing the signal/noise ration of the data prior...

Segmenting hyperspectral images of methane plumes with a large machine learning model

Yuan Zi, Lei Fan, Xuqing Wu, Jiefu Chen, Zhu Han

International Meeting for Applied Geoscience and Energy (IMAGE)

... positives and false negatives, caused by background noise or confounders. Therefore, it is crucial to constrain the segmentation results based on priors...

Aeromagnetics of Southern Alberta within Areas of Hydrocarbon Accumulation

G.E. Leblanc,, W.A Morris

CSPG Bulletin

... basins and the methods for isolating individual contributions, and specifically addresses the question of noise suppression. We use the recent...

A Regional Velocity Cube for Depth Conversion on the Northwest Shelf

Maighréad Ní Dheasúna, Mark Ballesteros, James Leven

Petroleum Exploration Society of Australia (PESA)

... s. can be statistica lly filtered to remove ra ndom noise associated wit h the velocity ana lyses, and in agreement with the scale factor values...

Characterizing seismic anisotropy and AVO using walkaway VSP: Willow oilfield, Alaska

Manish Lal Khaitan, Ali Sayed, Shujaat Ali, Trey Wagner, Jonathan Scorer, Brett Wendt

International Meeting for Applied Geoscience and Energy (IMAGE)

... and laterally Figure 1: (a) Walkaway source positions were designed to spatially overlay the downhole receivers. The markers are colored by the surface...

Development of Vertical Cable Seismic System

Eiichi Asakawa, Fumitoshi Murakami, Yoshihiro Sekino, Taku Okamoto

Indonesian Petroleum Association

... is an efficient high-resolution 3D seismic survey method for a spatially-bounded area.  It achieves high-resolution image because the sensors are closely located...

Direct modeling of reservoir properties from seismic partial-angle stacks

John V. Pendrel, Henk J. Schouten

International Meeting for Applied Geoscience and Energy (IMAGE)

... that the uncertainties represented by the standard deviations, are not constant but variable spatially and vertically. At this point, the estimated...

MASS BALANCE CORRECTIONS APPLIED TO LITHOGEOCHEMICAL DATA IN MINERAL EXPLORATION

EDWARD C. APPLEYARD

Saskatchewan Geological Society

... to remove random 'noise' due to density and volume change effects that the raw data inevitably contain. Net composition values enable the geochemist...

The geomorphological distribution of subaqueous tufa columns in a hypersaline lake: Mono Lake, U.S.A.

Claire E. Keevil, Mike Rogerson, Daniel R. Parsons, Ramon Mercedes-Martín, Alexander T. Brasier, John. J.G. Reijmer, Anna Matthews

Journal of Sedimentary Research (SEPM)

... in water-column noise and some artifacts in the data. In many areas these artefacts could be filtered and removed, but in some areas this has...

Integrating Geostatistical Modeling with Machine Learning for Production Forecast in Shale Reservoirs: Case Study from Eagle Ford

Alexander Bakay, Jef Caers, Tapan Mukerji, Yan Dong, Arnulfo Briceno, Devery Neumann

Unconventional Resources Technology Conference (URTEC)

... for geological uncertainty. Our approach improves uncertainty quantification by merging local and global trends. A functional random forest regression...

Deep-Sea Fan Deposits in the Macigno Formation (Middle-upper Oligocene) of the Gordana Valley, Northern Apennines, Italy: DISCUSSION

Richard N. Hiscott

Journal of Sedimentary Research (SEPM)

...) figures and then transferred individually to cards which were shuffled and then drawn one by one to produce two random sequences to be compared...

Demonstrating an Acceptable Level of Impact: An Assessment of Noise Impacts to Fishes from a Seismic Survey in an Australian Marine Park

Joe Edgell, Jeremy Colman, Samantha Jarvis, Ollie Glade-Wright

Australian Petroleum Production & Exploration Association (APPEA) Journal

...Demonstrating an Acceptable Level of Impact: An Assessment of Noise Impacts to Fishes from a Seismic Survey in an Australian Marine Park Joe Edgell...

Detecting the fault and fracture systems by using 3D seismic attributeAnt-tracking algorithm

Ibraheem Hafiz, Ziyad Albesher, James Kellogg, Essam Saeid

International Meeting for Applied Geoscience and Energy (IMAGE)

... smoothing was applied to reduce background noise and sharpen discontinuities in the seismic volume, then variance attributes and ant-tracking were used...