Bottom Cable 3-D Seismic Operations in the Transition Zone

Ezhar Manaf, Bambang Indroyono, Peter C. Johnson, James A. Musser

Indonesian Petroleum Association

... 350 m or nearer, since the mute cuts in at an offset of about 500 m. Secondly, the range of mid-offsets which provide the best signal-to-noise ratio...

Field Technique Design for Seismic Reflection Exploration

L. R. Denham

Dallas Geological Society

... the second effect is the deciding factor, so that shot should be deep enough to give an adequate ratio of signal to shot-generated noise. This usually...

Observations of Azimuthal Anisotropy in Prestack Seismic Data, #41572 (2015).

David Gray

Search and Discovery.com

... and signal-to-noise ratio, especially around the fault (green oval), than in the stack on the left, which has been stacked with isotropic velocities...

Abstract: Q-estimation from Uncorrelated Vibroseis VSP Model Data; #90172 (2014)

Arnim B. Haase

Search and Discovery.com

... to noise ratio. Nonetheless, fitting straight lines to V(ln(f)) at 21 different depth levels and then computing the quality factors with Equation 2 leads...

Effective Delivery of Reservoir Compliant Seismic Data Processing; #42158 (2017)

Arash JafarGandomi, Henning Hoeber, Celine Lacombe, Vimol Souvannavong

Search and Discovery.com

... interpretation in both domains, we need good signal to noise ratio at all recorded frequencies. In order to be less reliant on low frequency models...

Improving Depth Prediction Accuracy of Quantified Drilling Hazards

W. Scott Leaney, William H. Borland

Geological Society of Malaysia (GSM)

... wavelet. In addition there is the problem of signal to noise ratio as drilling operations generate a large amount of noise at the surface...

Joint Inversion Vs Independent Inversion of PPPS Seismic Data Stack in Bekapai Field

Wahyu Triyoso, Madaniya Oktariena, Firman Syaifuddin, Jacques Bonnafe, Hilfan Khairy, M. Cepi Adam, Natalia Anggriani

Indonesian Petroleum Association

... first and contrary to Swaves can propagate in fluid environments. They usually have high signal-to-noise ratios and can be easily generated by a variety...

Broadband Data from Flat Streamers: Considerations for Acquisition and Processing

Phil Fontona, Edward Hager

Indonesian Petroleum Association

.... With sufficient signal-to-noise in the data it is possible to de-ghost the receivers towed at a moderate single depth by tuning the acquisition design...

Broadband 4D Seismic Provides New Level of Detail

Yulia Biryaltseva, Tor Vegar Mårdalen, Per-Harald Saure-Thomassen, Marta Wierzchowska, Anastasiya Tantsereva, Julien Oukili

GEO ExPro Magazine

... and streamer steering systems, allowed for high geometrical repeatability and deeper towing depths. This resulted in improved signal-to-noise ratio...

How to Improve the Definition of Seismic Reflection Data

D. Michon, R. Garotta

Indonesian Petroleum Association

..., the seismologist wavers between two directions. Firstly, he wants to have and to maintaine the highest possible signal-to-noise ratio. Secondly, he wants to obtain...

Using Pre-Stack Seismic Data to Predict the West African Deepwater Reservoir

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The Characterization of Fracture Mechanisms Using a Combination of Surface Microseismic Imaging, Microdeformation Modelling, and Downhole Microseismic Mapping: an Examination of the Value of Moment Tensor Migration Imaging

Raquel Velasco, Kit Chambers, Stephen A. Wilson

Unconventional Resources Technology Conference (URTEC)

.... 2014). By placing the geophones at depth, it is possible to reduce surface noise and maximize signal amplitude, thereby improving the signal to noise...

Abstract: Dynamically Constrained 4D Prestack Inversion, by T. Blanchard and P.D. Thore, #90188 (2014)

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Abstract: Converted Wave Receiver Statics from First Break Mode Conversions; #90171 (2013)

Kristof De Meersman and Marcelo Roizman

Search and Discovery.com

... that is extracted from the vertical component. Receiver functions from the same receiver can be stacked to increase the signal-to-noise ratio. The combination...

Abstract: Converted Wave Receiver Statics from First Break Mode Conversions; #90171 (2013)

Kristof De Meersman and Marcelo Roizman

Search and Discovery.com

... that is extracted from the vertical component. Receiver functions from the same receiver can be stacked to increase the signal-to-noise ratio. The combination...

Abstract: A New Method for Microseismic Event Detection and Automatic Time Picking; #90187 (2014)

Yoones Vaezi and Mirko van der Baan

Search and Discovery.com

...Abstract: A New Method for Microseismic Event Detection and Automatic Time Picking; #90187 (2014) Yoones Vaezi and Mirko van der Baan AAPG Search...

Impact of Completion Design on Various Infill Scenarios: A Data Driven Permian Case Study

Chad Darneal, Kyle Friehauf, Kristie McLin, Bharath Rajappa, Hui Zhou, Phuong Hoang, Justin Hammond, Herbert Swan

Unconventional Resources Technology Conference (URTEC)

... and sufficient for microseismic processing. Data from the LS2, with intact rock around the wellbore, has higher signal to noise ratio (SNR). Data acquired from...

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...

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...

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...