The Thousand Dollar Prospect, Rich County, Utah, A Case History

Valen D. Ott, Kenneth R. Kreckel

Rocky Mountain Association of Geologists

... fold 4) Diversity stack: since the signallnoise ratio was low, diversity stack had the effect of upgrading the signal relative to the noise. ’ Marathon...

A Step Change in Seismic Imaging … Using a Unique Ghost Free Source and Receiver System; #41449 (2014)

Per Eivind Dhelie, Robert Sorley, Torben Hoy, David Lippett

Search and Discovery.com

... removal of the surface ghosts, leading to an acquisition platform that can be towed deeper for increased low frequency content and increased signal to noise...

Abstract: Areal 3-D Seismic Technique for Reservoir Delineation: Case History from Offshore Niger Delta, by A. O. Idowu; #90988 (1993).

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Abstract: Movable Oil Identification and Viscosity Estimation in Lower Fars Heavy Oil Reservoir – A Case Study, by Khalid Ahmed, Mansoor A. Rampurwala, and Girija S. Padhy; #90105 (2010)

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Using Corona to test NMR response of iron ore chip samples

Mark Downey, Kazek Trofimczyk

Petroleum Exploration Society of Australia (PESA)

.... (485kHz compared to conventional systems at 2000kHz) and relatively short echo time spacing of 0.2ms. Initial tests showed that the signal-to-noise-ratio...

Abstracts: Seismic Attributes on Frequency-enhanced Seismic Data; #90173 (2015)

Satinder Chopra, Kurt J. Marfurt, Somanath Misra

Search and Discovery.com

... the results. This procedure reduces noise in selected frequency bands and results in higher signal-to-noise ratio as well as enhanced resolution. Structurally...

Seismic Resolution in the Mahakam Delta

J. B. Beauchamp

Indonesian Petroleum Association

.../noise ratio also becomes very poor at the bottom of the well. Plate 6. Vertical Seismic Profile. Well HR-1 (Unfiltered) Plate 7. Autocorrelation/Power...

Abstract: Horn River Microseismic Acquisition: Designing a Shallow Array; #90174 (2014)

Neil Taylor, Paige Snelling, Kyubum Hwang, Mark Stacey, and Dave Abbott

Search and Discovery.com

... with results using 100, 30 and 6 stations. What is the error in position and how much does the signal-to-noise ratio (SNR) decrease as stations are removed...

Determining Maximum Horizontal Stress with Microseismic Focal Mechanisms - Case Studies in the Marcellus, Eagle Ford, Wolfcamp

Alireza Agharazi

Unconventional Resources Technology Conference (URTEC)

... is the strength of seismic signal relative to the noise level, which is quantified and represented by the signal-to-noise ratio (SNR). The higher the SNR...

Seismic Monitoring of Hydraulic Fracturing Activity at the Marcellus Shale Energy and Environment Laboratory (MSEEL) Site, West Virginia

Abhash Kumar, Erich V. Zorn, Richard Hammack, William Harbert

Unconventional Resources Technology Conference (URTEC)

... list of 436 LPLD events, we carefully selected some high quality LPLD events with high signal to noise ratio and analyzed 2-minute long records of CEUSN...

Direct Hydrocarbon Indications Using Seismic Amplitude Variations with Offset

William J. Ostrander

AAPG Special Volumes

... is the somewhat poor signal-to-noise ratios (S/N) because the individual traces are not summed as in CDP stacking. To improve S/N values and still retain offset...

Estimating Stimulation-Zone Anisotropy Effects During Microseismic Monitoring

Martin Karrenbach, Steve Cole, Victor Yartsev

Unconventional Resources Technology Conference (URTEC)

... this velocity model can be improved as perforation shots become available or microseismic events of high signal-to-noise ratio are observed...

Chapter 8-part 2: Spectral Decomposition

Gregory A. Partyka, Michael D. Bush, Paul G. A. Garossino, Paul R. Gutowski

AAPG Special Volumes

... heterogeneity are often best imaged at higher frequencies, as long as a reasonable signal-to-noise ratio exists at those higher frequencies. Low...

Extending the Resolution of Seismic Reflection Exploration

L. R. Denham

Pacific Section of AAPG

... signal-to-noise ratio than would be needed if the target were a weak reflector. Better resolution is always desirable, but spending money to achieve better...

Choosing the Best 3D Seismic Dataset for Reservoir Interpretation: A Case Study in Tunu Shallow Zone, Mahakam PSC, Indonesia

Teuku Reiza Yuanda, Rangga A. Brahmantio

Indonesian Petroleum Association

... was also performed using the amplitude spectrum. The measured element is the noise-to-signal ratio taken at the seismic central frequency (25 Hz...

Moho, Basin Dynamics, Salt Stock Family Development, and Hydrocarbon System Examples of the North German Basin Revisited by Applying Seismic Common Reflection Surface Processing

Heinz-Juergen Brink, Dirk Gajewski, Mikhail Baykulov, Mi-Kyung Yoon

AAPG Special Volumes

... display a considerably improved signal-to-noise ratio and much more detail than the common midpoint processing (CMP) of the 1980s. Moreover, a velocity...

Completing the Picture

James Dodson

GEO ExPro Magazine

... that also benefits from a high signal-to-noise ratio at the majority of wavelengths when compared to conventional gravity when acquired from a moving...

Anisotropy analysis from 3D VSP surveys acquired at Otway site

Sofya Popik, Andrej Bona, Roman Pevzner

Petroleum Exploration Society of Australia (PESA)

... important for Otway site as it can improve the quality of seismic imaging and thus provide better 4D signal/noise ratio. The presence of anisotropy has...

Experiences with Dual-Sensor Towed Streamer Acquisition and Imaging in the Eastern Mediterranean, #41831 (2016).

Martin Widmaier, Oystein Lie

Search and Discovery.com

... deeper. The signal-to-noise ratio is improved by deeper tow, especially at the low frequency end of the seismic bandwidth. Improved low frequency content...

Abstract: Microseismic Event Locations Uncertainity and Acquisition Geometry; #90224 (2015)

Amna Feroz and Mirko van der Baan

Search and Discovery.com

..., random errors associated with P and S wave arrival time picking and receiver configuration. In this study we investigate event location uncertainties...

Exorcising the Ghosts … The New Streamer Technology Launched by PGS

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

..., the receiver ghost thus cancels. The signal-to-noise ratio is increased and more high and low frequencies are recorded. Geophysicists have long known...

Case Study - Advanced Seismic Acquisitions and Processing Results in Indonesia

Michele Buia, Bakhrudin Mansyur, Herastya Iman Priyonggo

Indonesian Petroleum Association

... of “near sea bottom” related 3D multiples and to increase the signal to noise ratio [Manning et al. 2008] In particular it was decided to acquire 2 new...

Abstracts: What Receivers will we use for Low Frequencies?; #90173 (2015)

R. Malcolm Lansley and Peter Maxwell

Search and Discovery.com

... on the low end serves us as well. Clearly, if we wish to record signal with good signal to noise ratio down to 3Hz or 2Hz or even down to 1Hz, we need...

Abstract: Sub-Salt and Sub-Basalt Imaging Using Long Offset and Multicomponent Seismic Data, by J. Gaiser, N. Jones, and P. Fontana; #90923 (1999)

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Least Square Q-Kirchhoff Migration: Implementation and Application

Xiaodong Wu, Yi Xie, Joe Zhou, Dechun Lin, Yu Wang

Petroleum Exploration Society of Australia (PESA)

.... The CIGs produced by LSQPSDM have higher signal-to-noise ratio and events become more continuous compared to QPSDM gathers. Two examples...