Operator chains and seismic data decomposition

Sergey Fomel

International Meeting for Applied Geoscience and Energy (IMAGE)

... domains can approximate nonstationary filters for matching data with different frequency content. Chaining elementary destruction filters helps decompose...

Robust multichannel prestack AVA inversion based on elastic L1/2 norm

Nanying Lan

International Meeting for Applied Geoscience and Energy (IMAGE)

... the sum of L1/2 and L2 norms, called elastic L1/2 norm, into the conventional MAVA inversion framework as the vertical constraint on the inverted parameters...

Rapid Quantification of Mineralogy, Organic Matter, and Thermal Maturity of Cuttings With Diffuse Reflectance Infrared Fourier Transform Spectroscopy (DRIFTS): A Permian Basin Case Study

MaryEllen L. Loan, Michael M. Herron, Paul Craddock, Romain Prioul, Michael Prange, Kenneth M. Schwartz, Alyssa M. Charsky

Unconventional Resources Technology Conference (URTEC)

... fabric, also influence CQ (Prioul et al. 2016; Prioul et al. 2017). Swelling clays, such as the smectite-group of clay minerals, are known to be one...

Enhancing Signal Decomposition Using Adaptive Frequency Distributions

Search and Discovery.com

Estimating Average Fracture Spacing in Subsurface Rock

Wayne Narr

AAPG Bulletin

...) in any direction is equal to the sum of the frequencies of each individual fracture set. That result is expanded here with the probabilistically...

Petrographic Reservoir Characterization: Generating Pore and Grain Size Frequency Distributions and Simulating Mercury Injection Capillary Pressure (MICP) Curves

Thomas L. De Keyser

West Texas Geological Society

... (ECD). Frequency distributions of pore area and total pore area show the relative contributions to porosity of pores of different sizes. Plotting...

Determination of Depositional Environments of Sand Bodies Using Vertical Grain-Size Progressions

John B. Anderson, Carol Wolfteich, Robyn Wright, Mary Lou Cole

GCAGS Transactions

... subdivisions used were too general. In reality, each of the environments examined consists of several different subenvironments, characterized by its own unique...

Accurate Estimation of Tubular Fluid Flow Friction Loss During Liquid-supercritical CO2 Fracturing and Transportation

Xiaojiang Li, Gensheng Li, Kamy Sepehrnoori, Wei Yu, Haizhu Wang, Qingling Liu, Hongyuan Zhang, Zhiming Chen

Unconventional Resources Technology Conference (URTEC)

... at different pressure, temperature, and flow rate conditions. Although numerous studies have been conducted to estimate friction loss, relatively few...

Laboratory Study of the Distribution of Grain Sizes in Cross Bedded Deposits

Alan V. Jopling

Special Publications of SEPM

... the discrete settling of individual particles nominal settling velocity w as opposed to the collective settling of a the analysis did not group...

The origin of floral Lagerstätten in coals

Vera A. Korasidis, Malcolm W. Wallace, Anne-Marie P. Tosolini, Robert S. Hill

PALAIOS

... lens of the M1A seam, Latrobe Group. FIG. 9.—Box plots of palynological data (expressed as a % of the total sum) for the medium lithotype coal...

Stratigraphical Analysis and Environmental Reconstruction

Thomas G. Payne

AAPG Bulletin

... and interrelated but are influenced to different degrees by the same set of environmental factors. The term ecology, in its broadest connotation, may...

TECHNOLOGY

Henk Kombrink

GEO ExPro Magazine

...TECHNOLOGY Henk Kombrink TE REN Y SUM L OC H M O LPO G Y The new kids on the geosteering block Three wellsite geologists from Calgary decided...

Geostatistical Integration of Multiscale Data to Construct the Hunton Group GeocellularModel: Upscaling Logs and Downscaling Seismic Impedance Volumes, #42255 (2018).

Benmadi Milad, Abdulmohsen AlAli, Roger Slatt, Kurt Marfurt

Search and Discovery.com

... is the calculated 5 wave velocity. 5 iii. Data Preconditioning Figure 8. Variance versus the numbers of clusters. Sum of square within clusters (SSW...

NOTES ON ECLOGITE: Phase Equilibrium

Enrique Navarro

Asociación Venezolana de Geología, Minería y Petróleo (AVGMP)

... and are associated with different rock complexes. GROUP A - Inclusions in kimberlites, basalts or layers in utramafic rocks. They differ from the common basalts...

Abstract: P-wave AVAz Modeling: A Haynesville Case Study; #90224 (2015)

Jon Downton

Search and Discovery.com

... parameters for each layer, often based on well log information. For AVO modeling the reflectivity is calculated at a series of different source-receiver...

The Relationship of Lithology and Tectonics to Fracturing in the Monterey Formation, Point Arguello Field, Offshore California

By R. K. Sadler

Special Publications of SEPM

... having the highest frequency, and second, third, and fourth order fractures having lesser frequencies. All the wells have one dominant set of fractures...

Seismic-based paleoenvironmental analysis of the Paleocene carbonate shelf in Ajdabiya Trough, north-central of Libya

Abdeladim M. Asheibi

Bulletin of Canadian Energy Geoscience (CEGA)

... impedance has allowed for a better determination of the main facies in Intisar reefs. These facies reflect different depositional conditions and different...

Variations in vertical stress in the Permian Basin region

Katie M. Smye, Peter H. Hennings, and Elizabeth A. Horne

AAPG Bulletin

... in the Permian Basin based on density log integration. Where density measurements are absent, values are calculated from compressional velocity logs using...

Abstract: Data Interpolation by Angular Weighted MWNI; #90187 (2014)

Mark Ng and Dan Negut

Search and Discovery.com

... the immediate last frequency as a priori model for the present frequency. Usually MWNI starts from the stable low frequencies, and recursively works its way...

Seismic Characterization of a "Compound Tectonic Wedge" Beneath the Rocky Mountain Foreland Basin, Alberta

Donald C. Lawton, Chakrit Sukaramongkol,, Deborah A. Spratt

CSPG Bulletin

... detachment occurring within the Upper Cretaceous Brazeau Group. Maximum dip of the upper detachment is 20°. The lower detachment of the wedge rides...

Non-First-Break Solution for Shallow Velocity Anomaly Problem; #41602 (2015)

Emil Blias

Search and Discovery.com

...Non-First-Break Solution for Shallow Velocity Anomaly Problem; #41602 (2015) Emil Blias Non-First-Break Solution for Shallow Velocity Anomaly Problem...

Behaviour of Petroleum in Northern Australian Waters

R. I. Kagi, S. J. Fisher, R. Alexander

Petroleum Exploration Society of Australia (PESA)

..., the - action of waves being the major complicating factor. Slicks of mobile oils drift in the direction of the wind at a velocity of approximately 3.5...

Results and Problems of Heavy Mineral Analysis in Germany: A Review of Sedimentary-petrological Papers, 1936-1948

F. K. Heinz Sindowski

Journal of Sedimentary Research (SEPM)

... where necessary; for example, all mineral frequencies have been expressed as percentages. Except in the discussion of methods and problems, the treatment...

Killing of PT–29 Burning Gas Well, Paluhtabuhan

S. Wiryodiarjo, K. Sumanta

Indonesian Petroleum Association

.... The assumption of three different well head pressures had been taken and plugged into the calculation which gave three T.E.P.C. curves. From the draw...

The unusual occurrence of adipocere spheres on the hypersaline lacustrine shoreline, Salton Sea, California

Thomas A. Betts, Elizabeth A. Heness, Zachary A. Semian, Margariete G. Malenda, Edward L. Simpson, Kurt C. Friehauf

PALAIOS

...) and extra virgin olive oil (Pompeian, Inc.) were used to calibrate the C5O stretching frequencies and intensities of free fatty acids and triglycerides...