Detection and suppression of strong energy interference waves within the black triangleŽ using a data-driving self-adaptive frequency-decomposition approach

Haifeng Chen, Xiangyang Li, Zhongping Qian, Pengyuan Sun, Xiaoying Qin, Dingyu Xiong

International Meeting for Applied Geoscience and Energy (IMAGE)

... the signal to noise ratio typically varies across different frequency bands, dividing the frequency range into different bands is useful...

Abstract: Correlation of P-P and P-S Data in Yinggehai Basin, South China Sea; #90171 (2013)

Jinfeng Ma, Le Gao, and Igor Morozov

Search and Discovery.com

... greatly within the CCP and CDP gathers. A conventional full stack performed in order to increase the signal to noise ratio of P-S and P-P data, also...

A Regional Erosion Surface and its Effect on the Smackover Reservoir-Seal System, South Arkansas – North Louisiana

Ezat Heydari and Lawrence R. Baria

GCAGS Transactions

... of 3D seismic data with enhanced high-frequency attributes and a high signal to noise ratio clearly depicts a linear, northwest-southeast...

Abstract: Physical Modeling for Azimuthal AVO Over a Simulated Fractured Medium; #90174 (2014)

Faranak Mahmoudian, Gary F. Margrave, and Joe Wong

Search and Discovery.com

... event in this study. The amplitudes from this event for all azimuth profiles were used in the AVAZ analysis. Figure 1: (left) Four-layer earth model...

Raman Spectroscopic Investigations of Burgess Shale-Type Preservation: A New Way Forward

Alison Olcott Marshall, Randol L. Wehrbein, Bruce S. Lieberman, Craig P. Marshall

PALAIOS

... varied from 30 to 60 s with 1 to 10 accumulations at 1 to 5 mW to obtain a good signal-to-noise ratio, and to minimize the photodamage experienced...

Azimuthal Anisotropy „ A New Interactive Approach Leads to More Accurate Imaging

Graeme Eastwood

Petroleum Exploration Society of Australia (PESA)

.... considered is the effect of horizontal transverse anisotropy (HTI), most often caused by vertical or sub-vertical fracturing and faulting. Fractures...

Buried-hill multiscale fracture prediction using wide-azimuth OBN seismic data in the South China Sea

Xumin Liu, Zhenbo Zhang, Leyi Xu, Renjie Chen, Donghui Bian

International Meeting for Applied Geoscience and Energy (IMAGE)

... towed streamer acquisition, OBN acquisition is a superior approach to acquire wide azimuth, high SNR(Signal to Noise Ratio) seismic, especially...

Abstract: Recent Advances in the Characterization of Unconventional Reservoirs with Wide-azimuth Seismic Data; #90187 (2014)

Ran Bachrach, Sagnik Dasgupta, Colin Sayers, Josimar Silva, and Stefano Volterrani

Search and Discovery.com

... to derive integrated seismic inversion volumes which delivers maximum resolution within the limit imposed by the wavelet bandwidth and the signal-to-noise...

Deterministic and Statistical Wavelet Processing

Lee Lu

Southeast Asia Petroleum Exploration Society (SEAPEX)

..., improved stacking and velocity analysis, improved statics and improved signal to noise ratio. The success of any wavelet processing procedure...

West Muiron Discovery, WA-155-P - New Life for an Old Prospect

Lorraine Mitchelmore, Neville Smith

Petroleum Exploration Society of Australia (PESA)

... velocity anomalies in the overlying carbonate section complicate velocity picking on dip-oriented seismic data, consequently decreasing the signal...

Seismic Stratigraphic Analysis of the Barnett Shale and Ellenburger Unconformity Southwest of the Core Area of the Newark East Field, Fort Worth Basin, Texas

Elizabeth T. Baruch, Roger M. Slatt, Kurt J. Marfurt

AAPG Special Volumes

.... Fault distribution on top of Marble Falls.SEISMIC INTERPRETATIONThe seismic survey revealed high-amplitude reflectors and high signal-to-noise ratio...

An Example of 3-D AVO for Lithology Discrimination in Widuri Field, Asri Basin, Indonesia

Steven W. Smith, Larry Danahey, Romina Himawan, William E. Harmony, H. Lee Gilmore, John W. Armon, Tony L. Bowman, Wayne Smith

Indonesian Petroleum Association

... was found to be minimal for dips less than 10 degrees. For the Widuri 3-D data, diffraction noise reduction from post-inversion migration improved the signal...

Coloured Seismic Inversion, a Simple, Fast and Cost Effective Way of Inverting Seismic Data: Examples from Clastic and Carbonate Reservoirs, Indonesia

Keith Maynard, Paulus Allo, Phill Houghton

Indonesian Petroleum Association

... in the coloured inversion process are that sufficient signal to noise is available in the data and that it is zero phase. Where no well logs are present...

Detection of Sedimentary Cyclicity and Stratigraphic Completeness by Wavelet Analysis: An Application to Late Albian Cyclostratigraphy of the Western Canada Sedimentary Basin

Andreas Prokoph , Frederik P. Agterberg

Journal of Sedimentary Research (SEPM)

... sedimentary events such as bentonites, turbidites, and tempestites. These effects and, therefore, the signal/noise ratio can change through time...

Eye-Openers from Re-Processing of Oil Sands Seismic Data; #41290 (2014)

David Gray, Seann Day, and Scott Shapper

Search and Discovery.com

... image in Figure 4 shows how successful azimuthal NMO is at removing this effect. There are also forms of noise at wide angles that may require...

Using Microseismic Event Radiation Patterns and Source Parameters to Better Estimate Stimulated Reservoir Volumes, #41137 (2013)

Michael Doerksen

Search and Discovery.com

... is proven and relied upon. By controlling the events that are used in the SRV analysis and making assumptions related to event energy and S/P ratio we...

Damped least squares-based deterministic PP wave and SH-SH wave joint inversion method

Ying Lin, Guangzhi Zhang, Baoli Wang, Siyuan Chen, Minmin Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

... with the signal-to-noise ratio, and is the initial model of the inversion, and the inversion results of the unknown parameters are obtained...

Robust seismic data denoising based on factor group-sparse regularization

Mi Zhang, Yang Liuy, Jingming Liy, Gui Cheny

International Meeting for Applied Geoscience and Energy (IMAGE)

..., INTRODUCTION With the improvement of geophysical prospecting, the demand for seismic data with high signal-to-noise ratio, high fidelity and high quality...

CSPG/CSEG/CWLS GeoConvention 2013, May 6-12, 2013 Calgary TELUS Convention Centre & ERCB Core Research Centre, Calgary, Alberta, Canada; - Abstracts, #90187 (2014).

Search and Discovery.com

4D seismic-guided injected volume estimation: A pseudo-skeletonization approach

Joao Nunes Jorge, Cyril Agut, Tom Blanchard, Julie Granel, Pierre Thore

International Meeting for Applied Geoscience and Energy (IMAGE)

... for each monitor surveys can be performed and an initial estimation of the ratio between monitors can then be derived, 4. Noise analysis a. This step...

Gas Reservoir Delineation of Pantai Pakam Timur Field, North Sumatra, Indonesia

D. Tangkalalo, M. Farid Ma'ruf, Ambar Sudiono, Widjiono

Indonesian Petroleum Association

... produced good results, with small missties, an increase in signal to noise ratio, improved frequency content, and slightly improved reflection...

The Global Offset Seismic Approach: Improving Seismic Imaging In Complex Geological Settings

Paolo Dell'Aversana

Petroleum Exploration Society of Australia (PESA)

... prevent to record I a satisfactory signal to noise (S N) ratio for the near vertica l reflected wave-field. M oreover, using long offsets, it is possible...

Permeability Estimation in Tight Gas Sands and Shales using NMR … A New Interpretive Methodology; #40522 (2010)

Christopher M. Prince, Deborah Deibler Steele, and Charles A. Devier

Search and Discovery.com

... analysis. In each case CPMG pulse sequences were repeated a sufficient number of times to achieve a signal to noise ratio of 200 to 1. A delay time...

Seismic Studies in the Church Rock Uranium District, Southwest San Juan Basin, New Mexico

William T. Phelps, Robert S. Zech, A. Curtis Huffman Jr.

AAPG Special Volumes

... used to improve the signal-to-noise ratio and coherency of the data. Coherency of the data was further improved by applying a coherency-weighted stack...

Pre- and Post-Injection Vertical Seismic Profiling over the Southwest Regional Partnerships Phase II Fruitland Coal CO2 Pilot; #80104 (2010)

Tom Wilson, Les Nutt, Ric Smith, Jitendra Gulati, Marcia Coueslan, Dwight Peters, Art Wells, Craig Hartline, George Koperna, Bill Akwari

Search and Discovery.com

... in the window of data above the reservoir is limited due to a lack of good signal-to-noise ratio and a lack of coherent reflection events in the window overlying...