Investigation of 4D Seismic Tuning and Spectral Responses to CO2-EOR for Enhanced Characterization and Monitoring of a Thin Carbonate Reservoir; #80597 (2017)

Austin W. Krehel, Abdelmoneam E. Raef, Richard D. Miller, Matthew W. Totten

Search and Discovery.com

... in carbonates, an investigation of seismic attributes across frequency sub-bands was conducted on a high-resolution 4D seismic data set acquired in fine...

Seismic Monitoring of Mineral Precipitation within a Fracture, by Laura J. Pyrak-Nolte, Zane A. Gilbert, #90027 (2004)

Search and Discovery.com

Application of Logarithmic Moments to Size Frequency Distributions of Sediments

W. C. Krumbein

Journal of Sedimentary Research (SEPM)

...Application of Logarithmic Moments to Size Frequency Distributions of Sediments W. C. Krumbein 1936 Vol. 6 No. 1. (April), A symbol for the negative...

Mechanical stratigraphy and faulting in Cretaceous carbonates

Alan P. Morris, David A. Ferrill, Ronald N. McGinnis

AAPG Bulletin

... a Schmidt hammer, allow the analysis of mechanical stratigraphy. Fault frequency and displacement distributions exhibit patterns that correlate...

SEISMIC DETECTION OF THE ROSE RUN SANDSTONE IN SOUTH-CENTRAL OHIO

James R. Morris, Belden & Blake Corporation, Titusville, Pennsylvania, in conjunction with Quaker State Corporation and KEP Exploration, Inc.

Ohio Geological Society

... to provide good signal return damages our frequency spectrum by narrowing the bandwidth and reducing the dominant frequency...

Emphasizing Vibrations

Paul Wood

GEO ExPro Magazine

... of extending the frequency content or bandwidth of seismic signals, especially at the low-frequency end, in order to achieve better vertical resolution...

Mini Seismic Processing System for Training and Research Purposes

Suprajitno Munadi, Bambang Triharjanto

Indonesian Petroleum Association

... record containing direct wave, ground roll and reflected waves. In its f-k spectrum (on the right hand side) there are three groups of arrivals which...

The Application of a Non-Inundation Approach of Paleoflood Hydrology for the Assessment of Extreme Flood Hazards on the Ogden River, Utah

D.A. Ostenaa, D.R. Levish

Utah Geological Association

... periods of large floods. For the South Fork Ogden River, inclusion of paleoflood bounds in frequency analyses indicates that the return period...

Some Results of Dynamic Analysis of Reflected Waves in the Area of the Kuleshov Oil Field

A. I. Belyayeva, O. I. Rogoza, S. A. Semenova

Petroleum Geology: A Digest of Russian Literature

.... The investigation included a comparative study of the amplitude and frequency characteristics of waves reflected from horizons that occur above...

Application of time-adaptive FWI on onshore data in Bohai Bay Basin

Wan Xuejuan, Luo Wenshan, Wang Yongming, Gong Ting, Li Daoshan, Chen Yuansheng

International Meeting for Applied Geoscience and Energy (IMAGE)

... application of TA-FWI on onshore data example in Bohai Bay Basin. Results show that, by considering low-frequency signal denoising, surface consistency...

Comparative Efficiencies of Size Analysis by Hydrometer and Pipette Methods

R. W. Sternberg, Joe S. Creager

Journal of Sedimentary Research (SEPM)

... by percent in Wentworth sizes (using Phi notation). Figure 1 presents the cumulative frequency curves obtained from each of the sub-samples. This figure...

Calibration of Continuous Wavelet Transform (CWT) Fracture Closure Detection Using Laboratory Hydraulic Fracturing Experiments

Mohamed A. Gabry, Zhi Ye, Amr Ramadan, Ahmad Ghassemi, Mohamed Y. Soliman

Unconventional Resources Technology Conference (URTEC)

... frequency levels by convolving it with a wavelet (a short wavy signal) to identify closure events based on the stabilization of average signal energy...

Enhanced Resolution Seismic and New Subsurface Insights: Miocene Section, St. Mary Parish, Louisiana

V. Egorov, C. I. Puryear, R. Tharimela, J. Jurasin

GCAGS Transactions

... data provide a limited window into the frequency spectrum of the earth’s subsurface reflectivity. Generally, the frequencies recovered after earth...

Statistics Overview: Part 6. Geological Methods

T. C. Coburn, Brian R. Shaw

AAPG Special Volumes

... with the greatest frequency, and the median is the value that has as many values above it as below it (Figure 1). As an example of comparing some...

Abstract: Determining Scale Properties from Seismic Transmission Responses: A Modeling Study; #90171 (2013)

Emmanuel L. Bongajum and Bernd Milkereit

Search and Discovery.com

...; where the scattering power is concentrated in the forward direction. The frequency distortions due to scattering can be useful to estimate scale...

Abstract: Determining Scale Properties from Seismic Transmission Responses: A Modeling Study; #90171 (2013)

Emmanuel L. Bongajum and Bernd Milkereit

Search and Discovery.com

...; where the scattering power is concentrated in the forward direction. The frequency distortions due to scattering can be useful to estimate scale...

Abstract: 3D Focusing Inversion of Multi-transient EM Data in the Frequency Domain; #90171 (2013)

Guangpin Li, Johnathan Linfoot, and Bruce Hobbs

Search and Discovery.com

...Abstract: 3D Focusing Inversion of Multi-transient EM Data in the Frequency Domain; #90171 (2013) Guangpin Li, Johnathan Linfoot, and Bruce Hobbs 3D...

Abstract: Support Vector Machine (SVM)-based Geostatistical Inversion: An Integrated Solution to Honor Well-log Data and Seismic Attributes; #90171 (2013)

Yexin Liu

Search and Discovery.com

... and frequency-domain attributes extracted from seismic gathers. It is challenging for us to integrate and honor all these dataset for the reservoir...

Seismic Attribute Mapping in Carbonate Depositional Environment, Some Lessons from Case Studies; #41159 (2013)

F. Hong and E. Shipilova

Search and Discovery.com

... on each seismic trace in order to highlight stratigraphic limits). Low frequency components in spectral decomposition can provide some coherent noise out...

Assessing the Influence of Untrackable Horizons on Impedance Inversion; #42163 (2017)

Satinder Chopra, Ritesh Kumar Sharma, Kurt J. Marfurt

Search and Discovery.com

... its frequency spectrum toward higher frequencies, and thus can define some reflections better, making them amenable for tracking. A better alternative...

Spectral Decomposition in a Heavy-oil and Bitumen Sand Reservoir

Carmen C. Dumitrescu, Larry Lines

AAPG Special Volumes

... spectrum for each frequency in the interval of 8 to 150 Hz.Figure 16. Spectral decomposition (SD) performed using the S-transform algorithm. Seismic...

Kutei Basin: Feasibility Study of a Broadband Acquisition

Gilbert Del Molino, Fabri Ikhlas Gumulya, Dedy Sulistiyo Purnomo, Paolo Battini, Bonita Nurdiana Ersan, Francesca Brega, Ferdinando Rizzo, Giorgio Cavanna, Buia Michele

Indonesian Petroleum Association

... can be expected in a low pass earth system, and this was our case. However we estimated that the low end of the frequency spectrum could...

Spatial Analysis of Basement and Cover Linears by Optical Diffraction - Methods, Results, and Interpretation

Howard J. Pincus, Thomas W. Doe

Utah Geological Association

... the contribution of linears independent of relative locations in the inputs. Degree of preferred orientation and concentration of spatial frequency can be evaluated...

Update 2010: Airborne Transient Pulse Surveys for Hydrocarbon Exploration„Major Recent Improvements; #40686 (2011)

Leonard A. LeSchack, John R. Jackson, James K. Dirstein, William B. Ghazar, Natalya Ionkina

Search and Discovery.com

... computer software divides a frequency spectrum of 2002200 Hz into 11 discrete frequency bands and records the segmented data in a spreadsheet format...

Measures for Describing the Size Distribution of Sediments

Douglas L. Inman

Journal of Sedimentary Research (SEPM)

... size-frequency curve of a sediment. They include the mean (or median) diameter, standard deviation, kurtosis, and two measures of skewness, the second...