Evaluating HD weathering surveys and surface seismic with DAS in a sand dune environment

Andrey Bakulin, Ezzedeen Alfataierge, Roman Pevzner

International Meeting for Applied Geoscience and Energy (IMAGE)

... 4c, yellow arrows). They are also visible on the H4 cable with 60-degree wrapping (Figure 4b). However, first arrivals have reduced signal-to-noise...

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...

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...

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...

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...

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...

Effects of Seismic Reprocessing on Selected Seismic Attributes: A Case Study in the Permian Basin

Joel Anthony T. Famini, Kurt J. Marfurt, E. Charlotte Sullivan

West Texas Geological Society

... lateral resolution in an effort to suppress acquisition footprint and improve the overall signal-to-noise ratio. The optimization of certain processing...

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...

Nonlinear time difference detection based on template matching and its denoising applications

Rongwei Xu, Bo Feng, Huazhong Wang, Chengliang Wu, Zhenbo Nie

International Meeting for Applied Geoscience and Energy (IMAGE)

... conditions and intricate subsurface geological structures. In these environments, seismic data often exhibit a relatively low signal-to-noise ratio...

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...

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...

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...

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...

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...

An automatic velocity picking method based on object detection

Ce Bian, Weifeng Geng, Ping Yang, Pengyuan Sun, Guiren Xue, Haikun Lin

International Meeting for Applied Geoscience and Energy (IMAGE)

...An automatic velocity picking method based on object detection Ce Bian, Weifeng Geng, Ping Yang, Pengyuan Sun, Guiren Xue, Haikun Lin An automatic...

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...

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...

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

Reconditioning Seismic Data for Improved Reservoir Characterization, Lower Clear Fork and Wichita, Fullerton Field, West Texas

Hongliu Zeng, Stephen C. Ruppel, Rebecca H. Jones

West Texas Geological Society

... this kind of process raises the noise level in the data to a certain degree so that the signal-to-noise ratio of the data is somewhat reduced, the new...

Addressing the complex near-surface challenges in the Delaware basin through recent FWI advancements

Ali Mohamed, Dmitry Kulakov, Daniel Suren, Wilfrid Milan, Larry Holifield, Vasudhaven Sudhakar

International Meeting for Applied Geoscience and Energy (IMAGE)

... main inputs: First, seismic data with a high signal-to-noise ratio (SNR), which was attained through a tailored preconditioning workflow. Second, a good...

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...