Abstract: Multi-component or Vector Dip Filtering Using the S-transform; #90187 (2014)

Kristof De Meersman and Majda Mihoub

Search and Discovery.com

... Fourier spectrum is void of information from the unwanted signal. A more complete and relevant description of filtering options in the time-frequency...

Abstracts: Interpolation of Nonstationary Seismic Records using a Fast Generalized Fourier Transform; #90173 (2015)

Mostafa Naghizadeh and Kristopher A. Innanen

Search and Discovery.com

... the fast generalized Fourier transform FGFT to identify the space-wavenumber evolution of nonstationary spatial signals at each temporal frequency...

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

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

AAPG Bulletin

... waveform first is transformed into the frequency domain. The amplitude spectrum of the output waveform is obtained by multiplying, frequency...

Abstracts: Development of a Guided User Interface for Microseismicity Analysis; #90173 (2015)

Ismael Vera Rodriguez and Mauricio D. Sacchi

Search and Discovery.com

... location and moment tensor estimation of microseismic events. Other tools are the singular spectrum analysis (SSA) (Oropeza and Sacchi, 2009) for event...

Abstract: Robust Localization of Passive Sources with Cross-Coherence Migration; #91204 (2023)

Yujin Liu

Search and Discovery.com

... but needs estimation of the power spectrum of the noise source, and deconvolution, which is unstable and needs regularization, the cross-coherence...

Value of marine vibrators for effective frequency-dependent spatial sampling of seismic wavefield

Arash JafarGandomi, Aparajita Nath, Sergio Grion

International Meeting for Applied Geoscience and Energy (IMAGE)

... of Petroleum Geologists frequency-dependent spatial sampling with marine vibrator corresponding f-k spectrum in Figure 3c shows four signal cones...

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...

ABSTRACT: Improved Seismic Inversion Using Dual-Sensor Streamer Technology

Search and Discovery.com

ABSTRACT: Development of a Dual Mode Ground Penetrating Radar (GPR) for Deep Imaging to the Sand Dunes and Weathering Layers Thickness, by Almutairi, Khaled F.; Alkhalifah, Tariq; Utsi, Vincent P.; #90141 (2012)

Search and Discovery.com

ABSTRACT: Major Recent Improvements to Airborne Transient Pulse Surveys for Hydrocarbon Exploration; #90108 (2010)

Leonard A. LeSchack, John R. Jackson, J. Dirstein, W. B. Ghazar, and N. Ionkina

Search and Discovery.com

..., the newly developed computer software divides a frequency spectrum of 200-2200 Hz into 11 discrete frequency bands and records the segmented data...

Abstract: A Kind of Effective Oil Layer Prediction Method in Pre-Drilling Stage in Low Exploration Rift Basin; #90319 (2018)

Weili Ke, Guangya Zhang, Cang Yang, Quan Zou

Search and Discovery.com

.... Firstly, resolution improvement was done using spectrum shaping process using reservoir-sensitive well-logging curves as quality control in target...

Research and application of amplitude attenuation gradient hydrocarbon detection method without the influence of thickness

Yichuan Wang, Xijia Sun, Zhao Ye, Pan Yong

International Meeting for Applied Geoscience and Energy (IMAGE)

... this phenomenon to detect oil and gas and achieved good results.In 1995, Dailay analyzed the frequency spectrum characteristics of the reservoir itself...

From Arrhenius to CO2 Storage: Part I: Blackbody Radiation and Milankovic Cycles

Martin Landrø, Lasse Amundsen

GEO ExPro Magazine

... of their universality. Virtually any hot body emits electromagnetic radiation in the form of a blackbody spectrum. The object becomes visible as red, then yellow...

Fracture Detection Interpretation Beyond Conventional Seismic Approaches, #41035 (2012)

Gary Jones, Rocky Roden

Search and Discovery.com

... within the seismic volume is 1.8 to 2.65 seconds, indicated by the blue arrows in Figure 1. The computed frequency spectrum for that zone is shown...

Diagnostic Applications of Borehole Hydraulic Signal Processing

Connor J. Clark, Jennifer L. Miskimins, Dana L. Gallegos

Unconventional Resources Technology Conference (URTEC)

... of the wellbore are then identified as strong peaks in the frequency spectrum. By understanding the boundary conditions downhole, the resonant frequencies can...

Impact of Broadband Seismic on Quantitative Interpretation Workflows; #41450 (2014)

Eivind Dhelie, Cyrille Reiser, Tim Bird, Euan Anderson

Search and Discovery.com

... acquisition system has now been available for a few years facilitating an extended bandwidth at both the low and high ends of the frequency spectrum...

Abstract: Two Issues about the Application of VP/VS: Quality Improvement and Error Analysis; #90211 (2015)

Duojun Zhang and Larry Lines

Search and Discovery.com

... spectrum of PS seismic volume, which has a narrower frequency band and lower dominant frequency, and applied the band pass filter to PP seismic volume...

ABSTRACT: Rejuvenation of a Mature Field Through Application of a Unique Frequency Enhancement Technology; #90007 (2002)

Marcus L. Countiss

Search and Discovery.com

...ABSTRACT: Rejuvenation of a Mature Field Through Application of a Unique Frequency Enhancement Technology; #90007 (2002) Marcus L. Countiss AAPG...

ABSTRACT: FORECAST OF THE METHANE ENRICHMENT BASED ON DOUBLE-PHASE MEDIA THEORY

Shu-nian Ning, Gang Li, Guangliang Li, Huasheng Zou

The Society for Organic Petrology (TSOP)

... is as below: 1) Spectrum analysis to work out the primary frequency of the effective wave 2) Calculation on every seismic trace high-frequency energy...

Abstract: Thin-layer Reservoir Prediction Method of Rifted Basin Based on Low-Resolution Seismic Data; #90307 (2017)

Ke Weili, Zhang Guangya, Zheng Yonglin, Liu Aixiang, Yu Yongjun, Huang Tongfei

Search and Discovery.com

... frequency of target reservoir is about 20hz, and the thickness of that is from 3 to 5 meters and the sedimentary facies changes from delta sheet sand...

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

Xinxiang Li, Peter Cary, and Rodney Couzens

Search and Discovery.com

... of the components does not change the vector power spectrum. At each frequency ω, a time shift Δt in the time domain is a multiplication by exp(iωΔt...

Abstract: Deterministic Marine Deghosting: Tutorial and Recent Advances; #90224 (2015)

Mike J. Perz and Hassan Masoomzadeh

Search and Discovery.com

..., amplitude spectrum and phase spectrum displays shown in left, middle and right panes, respectively. Notches occur at regular frequency intervals, starting...

AVO Modeling of Monochromatic Spherical Waves: Comparison to Band-Limited Waves; #41567 (2015)

Charles Ursenbach, Arnim Haase

Search and Discovery.com

...) is the spectrum of the displacement potential, is frequency, A is an arbitrary scale factor, t is time, p and RPP are horizontal and vertical slownesses , RPP...

Marine Seismic Sources: Part I: Air-Guns for Non Experts

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

.... The useful frequency band of seismic data is between the first (always at 0 Hz) and the second zeroes in the amplitude spectrum of the source signature...

Correlating Versus Inverting Vibroseis Records: Recovering What You Put into the Ground; #41577 (2015)

Glen Larsen, Paul Hewitt, Art Siewert

Search and Discovery.com

... in the recovered frequency spectrum, however sharper event delineation was noted on the designature section. Conclusions Using the measured motion trace...