Abstract: Empirical Mode Decomposition Based Instantaneous Spectral Analysis and its Applications to Heterogeneous Petrophysical Model Construction; #90171 (2013)

Jun-Wei Huang and Bernd Milkereit

Search and Discovery.com

..., Ontario, CANADA Summary Spectral analysis is an important step in seismic data processing and interpretation. The frequency contents of seismic...

Abstract: Detecting Stratigraphic Discontinuities using Wavelet and S-Transform Analysis of Well Log Data; #90174 (2014)

Akhilesh K. Verma, Burns A. Cheadle, William K. Mohanty, Aurobinda Routray, and Lalu Mansinha

Search and Discovery.com

...) is a hybrid form of short-time Fourier transform and wavelet transform that provides a measure of the local Fourier frequency spectrum of the time...

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...

Frequency vs Azimuth (FVAZ): the Younger Member of the Family of Seismic Driven Fracture Characterization Methods

Juan Tavella, Victoria Lazzari, Marcelo Frydman, Néstor Herrera

Unconventional Resources Technology Conference (URTEC)

.... 2001). This leads to the idea that focusing the analysis on the high frequency end of useful spectrum should be the best choice. Anyway, due...

Broadband Seismic Technology and Beyond: Part II: Exorcizing Seismic Ghosts

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

...- =1-exp(iωτ). The frequency spectrum of this composite signal, |G- (f)|=2sin(2πfzcosϑ/c), has zeroes or ‘notches’ at frequencies fn =nc/(2zcosϑ) (n=0,1,2...

Broadband Seismic Technology and Beyond: Part IV: PGSs GeoStreamer „ Mission Impossible

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... bandwidth, especially at side viable implementation and initial results: especially at the low frequency Its of the spectrum represents a key...

Enhancing geological features delineation by combining a relative geological time model with the matching pursuit spectral decomposition

Fabien Cubizolle, Benjamin Durot, Lory Evano

International Meeting for Applied Geoscience and Energy (IMAGE)

...). For the three methods described above, a spectrogram can be estimated along a trace representing its time-frequency spectrum and provides a way...

Application of genetic inversion constrained by numerical model of sedimentary evolution in reservoir prediction of Paleogene fan delta in Bohai Bay basin

Wei Wang, Zhongqiao Zhang, Lei Chen, Chao Yang

International Meeting for Applied Geoscience and Energy (IMAGE)

..., batch virtual wells are built, and 3D low-frequency models are built in combination with sequence framework. Compared with the traditional layered low...

Bayesian variational auto-encoder for seismic wavelet extraction

Ammar Ghanim, Ricard Durall, Norman Ettrich

International Meeting for Applied Geoscience and Energy (IMAGE)

.... This frequency-domain term captures the amplitude spectrum of the wavelets, enabling us to achieve a better fit and enhanced stability in the generated wavelets...

New Insights into the Petroleum Potential of the Onshore Otway Basin, Victoria Australia

Lucas McLean-Hodgson, Bruce McConachie

Petroleum Exploration Society of Australia (PESA)

... processed seismic data including energy and frequency attributes. With investigation and analysis it was possible to identify an amplitude anomaly...

Full-Waveform Inversion Application on 2D Slanted Streamer Data - A Case Study

Andreas Waluyo

Indonesian Petroleum Association

.... Therefore, very low-frequency signal plays a critical role in the success of FWI processing. In the marine environment, seismic data acquisition using...

Resolving Seismic Attenuation Issue through Q-Migration, a Case Study in Sisi-Nubi Field, Indonesia

Bastian Hutahayan, Keat Huat Teng, Kelik Moersidin, Jacques Bonnafe, Natalia Anggriani, Cepi M. Adam

Indonesian Petroleum Association

..., the loss of the high frequency data has also been restored. Figure 6 shows that amplitude spectrum in the area with strong and weak absorption has similar...

Simultaneous source acquisition, accuracy, and deblending

Ray Abma

International Meeting for Applied Geoscience and Energy (IMAGE)

..., the threshold in the inversion process should be frequency-dependent, allowing each frequency to be accurately deblended regardless of the amplitude...

Hybrid Method: Surface Geochemical and CWT Gamp for Reducing the Risk of Exploration in the Sanga Sanga Area, Kutai Basin, East Kalimantan, Indonesia

Asnanto Multa Putranto, Afzalurrahman Assalam, Ridha Santika Riadi, Robhy Cahya Permana, Teguh Surino Setiawan

Indonesian Petroleum Association

... is a transformation method of seismic attribute frequency by comparing low frequency anomalies as Direct Hydrocarbon Indicators in seismic data. This method has...

Marine Broadband Seismic Data Acquisition: PETRONAS Perspective (Paper A1)

C. F. Low, S. Chandola, Z. M. Zawawi, A. Aziz Muhamad, S. Kumar, M. Shah Sulaiman

Geological Society of Malaysia (GSM)

.... joint deconvolution and mirror migration) to enhance the These include the improvement in the low frequency response signal bandwidth. of the streamer...

Seismic Velocity Dispersion and the Petrophysical Properties of Porous Media

Search and Discovery.com

... measure velocity dispersion in the exploration seismic frequency band with satisfactory accuracy. Then, velocity dispersion data are fitted...

Abstract: Q Effects on Thin-bed AVO/AVF Analysis; #90224 (2015)

Wenyong Pan and Kris Innanen

Search and Discovery.com

... thickness and Q are both fixed, with increasing frequency, the Q effects on reflections (real parts) become stronger, while the Q effects on reflections (real...

Using Detailed Gravity Surveys to Delineate Buried Glacial Scours in Northern Michigan, Alan W. Hinks and Kevin J. Sullivan, #50204 (2009)

Search and Discovery.com

A New Method of Making the Thickness Map of the Shallow Sand Body Constrained by Seismic Attribute, #42092 (2017).

Ming Jun, Zhou Xuefeng, Liu Xuetong, Pan Yong, Li Wenbin

Search and Discovery.com

... show that the cumulative thickness of sand body is positively correlated with reflection amplitude and negatively correlated with instantaneous frequency...

The F. M. Logging System

Walton J. Greer

Tulsa Geological Society

... of well logging built around an instrumentation method which employs frequency modulated wave carriers for transmitting the measures from the logging...

Siliciclastics on a Permian evaporitic shelf: Lower Seven Rivers Formation (Guadalupian), Rocky Arroyo, New Mexico

Alton A. Brown, Robert G. Loucks

International Meeting for Applied Geoscience and Energy (IMAGE)

... shelf cycles are products of the same rapid baselevel changes that formed high-frequency cycles on the contemporaneous shelf margin. The thicker Bowers...

Passive Seismic: Thinking Differently

Katerina Polychronopoulou

GEO ExPro Magazine

...Passive Seismic: Thinking Differently Katerina Polychronopoulou GEO Physics Passive Seismic: Thinking Differently Low-frequency seismic signals...

ABSTRACT: Source-Bed for Mesozoic and Younger Oils in Saudi Arabia: Constraints of Biomarker Applications; #90007 (2002)

Hussain, Mahbub and Raza Md Jowaher

Search and Discovery.com

... package STATISTICA ®. n-Alkane As shown in the following frequency plots (Figure 2), the dominant peaks of the nalkane of the samples compared, cluster...

ABSTRACT: Modeling Seismic Signature of Small Faults from Outcrop Analogues; #90013 (2003)

JUAN FLOREZ, GARY MAVKO

Search and Discovery.com

... faults in gas-filled fractured limestones in the Lower Cretaceous of Texas. Fracture Frequency Distribution and Crack Density Traditionally, fracture...

Abstract: Robust Rank-Reduction Filters for Erratic Noise; #90174 (2014)

Stewart Trickett, Lynn Burroughs, and Andrew Milton

Search and Discovery.com

... the last ten years a rich family of random noise suppressors based on matrix rank reduction on constant-frequency slices has been developed...