Abstract: Acquiring Low Frequencies : Sweeps, Sensors, Sampling and Stories; #90224 (2015)

Olivier Winter, Anna Leslie, and Forest Lin

Search and Discovery.com

.... It is equivalent to state that to achieve the same signal to noise ratio over the shared bandwidth, one should double the sweep length for a 1.5 Hz...

ABSTRACT: Post-Stack Signal Enhancement, by Steve Spratt; #91035 (2010)

Search and Discovery.com

Basic Seismic Processing: Part 7. Geophysical Methods

Peter M. Duncan

AAPG Special Volumes

... of the record showing low signal to noise ratio, usually determined visually but based on certain models of signal propagation in the earth...

Abstract: Velocity Dispersion in Field Seismic Data: Impact, Detection and Application; #90211 (2015)

Langqiu Sun

Search and Discovery.com

... was smoothed with a 100-point window. It came out that the calculation was not stable at the low and high frequencies, where signal-to-noise ratio was low...

Enhance Seismic Quality With A Fast, Robust and Economic Solution Using Broadband Technology

Munji Syarif, Vania Iqsora, Adde Avrino, Agus Abdullah

Indonesian Petroleum Association

.... CONCLUSION The objective of the processing project was successfully achieved by broadband technology. Signal to noise ratio is increasing, bandwidth...

Abstract: Estimation of Dispersive Parameters of Surface Wave Using the Generalized S Transform; #90187 (2014)

Roohollah Askari and Robert J. Ferguson

Search and Discovery.com

...) Equation 12 can be explained by the effect of noise at low frequency components where the signal to noise ratio is small. At those frequencies, initial...

Abstract: Nisku Multiple Attenuation with Interpolation and Sparsity: A Case Study; #90172 (2014)

Lee Hunt, Scott Reynolds, Mark Hadley, Scott Hadley, Mike Perz, Ye Zheng

Search and Discovery.com

... to be an improvement in gather fold and signal to noise ratio as a result of the interpolation. Introduction: The Nisku and Blueridge Formations The Nisku...

S/N RATIO AND BANDWIDTH CONSIDERATIONS WHEN UTILIZING SEISMIC DATA IN EXPLORING FOR SUBTLE TRAPS - EXAMPLES FROM THE KNOX PLAY

Edward R. Tegland, Exploration Development, Inc., S. Pikes Peak Dr., Parker, CO Patrick H. Bygott, Exploration Development, Inc., S. Pikes Peak Dr., Parker, CO

Ohio Geological Society

..., CO 1999 72 80 The concepts of bandwidth and SIGNAL TO NOISE (S/N) ratio are highly interrelated and for the most part...

Do Moment Tensors Flip During Hydraulic Completions?

Adam Baig, Sepideh Karimi, Benjamin Witten, Aaron Booterbaugh

Unconventional Resources Technology Conference (URTEC)

... much lower noise and uses both P and S phases. The larger sensor counts of the surface can be arranged into “patches” that can use signal processing...

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...

Hydraulic Fracture Monitoring Using Distributed Acoustic Sensing: A Case Study Using Dip-in Fiber

Chaoyi Wang, Yuanyuan Ma, David Eaton, Kelly MacDougall, Carolyn Furlong

Unconventional Resources Technology Conference (URTEC)

... events, which we are investigating, whereas the signal-to-noise (S/N) ratio of LFDAS signals appears to be similar to S/N ratio using permanent DAS...

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...

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...

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...

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...

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...

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...

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...

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...

Creating a 3D Image from 2D Data Using Structurally Conformable Interpolation: A Case Study from the Beagle Sub-Basin, NSW, Australia

Subodh Notiyal, Victoria Seesaha

Australian Petroleum Production & Exploration Association (APPEA) Journal

... to reduce the artefacts and enhance the signal to noise ratio and reflector continuity. The final product time slice example is presented in Fig. 6...

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

Search and Discovery.com

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: 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...

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...