Estimating Rayleigh surface wave from ambient noise recorded by distributed acoustic sensing (DAS) dark fiber array in the city

Rafa Czarny, Tieyuan Zhu

International Meeting for Applied Geoscience and Energy (IMAGE)

... that processing both wavefields separately decreases the negative effect of the intersections and unevenly spaced noise sources along the line. To weaken...

GEO 2006, 7th Middle East Geosciences Conference and Exhibition, March 27-29, 2006, Manama, Bahrain, #90051 (2006)

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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)

..., stacking signals from the entire array reduces random noise by a factor proportional to the square root of the channel count. This allows events...

Replacing Decline Curve Analysis

Randy Hazlett, Umer Farooq, D. Krishna Babu

Unconventional Resources Technology Conference (URTEC)

... mode. The process was repeated with random noise added as a percentage of measured value at ±5% and ±10% levels. This was followed by a hindcasting...

Application of a Stochastic Deposition and Erosion Model to Reservoir Heterogeneity and Stratigraphic Data

Jon D. Pelletier, Donald L. Turcotte

Special Publications of SEPM

... filling in of low lying areas the surface would be white noise The random walk model therefore results in an We also unrealistic alluvial can...

Machine Learning-Based Sweet Spot Prediction Method for Canada Tight Sandstone Gas Reservoir

Zan Chen, Yexin Fang, Qian Yuan, Hao Su, Yili Yao, Yu Chen

Unconventional Resources Technology Conference (URTEC)

... to generate images similar to real images using random noise. The GAN proposed by Goodfellow consists of two "adversarial" neural networks...

Statistical Time-Series Analysis and Sedimentological Tuning of Bedding Rhythms in a Triassic Basinal Succession (Southern Alps, Italy)

Florian Maurer, Linda Hinnov, Wolfgang Schlager

Special Publications of SEPM

... conform generally to a random process (“noise”), the estimated data spectrum can be evaluated 88 FLORIAN MAURER, LINDA HINNOV, AND WOLFGANG SCHLAGER...

Consistent Structural Model Simulations for Volumetric Uncertainty Study

M. A. Lecour, P. Thore, R. Cognot

AAPG Special Volumes

..., in comparison to other methods, it is fast, it allows one to spatially correlate the selected random numbers, and the computation time is substantially...

4D Seismic Reservoir Characterization of a CO2 Flood: A New Technology

Sony R. Mohammad, Thomas L. Davis

Indonesian Petroleum Association

.... Cross equalization was performed to increase the repeatability of seismic volumes by eliminating non-repeatable noise in the data. This process corrects...

Abstract: Deconvoluting Mixed Petroleum and the Effect of Oil and Gas-Condensate Mixtures on Identifying Petroleum Systems;

Kenneth Peters, Andrew Murray

Search and Discovery.com

...Abstract: Deconvoluting Mixed Petroleum and the Effect of Oil and Gas-Condensate Mixtures on Identifying Petroleum Systems; Kenneth Peters, Andrew...

The Role of Statics Application in the Imaging of Sub-Surface in Fold Belt Areas, #40746 (2011)

Arun Kumar Arya, Bharat Chandra Joshi, Narinder Pal Singh,

Search and Discovery.com

... intervals. The use of analog low-cut filters can deteriorate the seismic signal, reducing the frequency bandwidth and intensifying the ringing effect...

A Low Frequency Seismic Survey in an Exploration Environment (Geophysics Poster 17)

Paul West, Konrad Cieslik, Shamim Haider, Abdul Aziz Muhamad, Sandeep Kumar Chandola, Awalludin Harun

Geological Society of Malaysia (GSM)

... 9 days of recording. Despite the presence of high levels of noise from exploitation activities and interference from a strong near surface effect...

Reservoir Information or Noise? DST PTA in High Perm Gas Reservoir … Field Case Study in Abadi Field Eastern Indonesia

Ken Makishima, Masato Okuno

Indonesian Petroleum Association

... from tidal effect, operation noise, gauge drifting, tubing movement, and DST tool malfunction, etcetera. This paper will introduce actual gauge data...

Interpretation of 3-D Data in Delineating a Subunconformity Trap in Block 34/10, Norwegian North Sea

G. T. Saeland, G. S. Simpson

AAPG Special Volumes

... from north-south through toward east-west. The north-south high-frequency data are random noise, but their continuity in a north-south direction...

Analysis Techniques and Signal Enhancement Methods Applied to the Bellshill Lake Stratigraphic Trap Program: ABSTRACT

R. J. Graebner, D. F. Brennan

AAPG Bulletin

... record quality, to examine the effect of each factor on the signal-to-noise ratio, and to evaluate the field techniques developed from the test results...

Analysis Techniques and Signal Enhancement Methods Applied to Bellshill Lake Stratigraphic Trap Program: ABSTRACT

R. J. Graebner, D. F. Brennan

AAPG Bulletin

... which influenced record quality, to examine the effect of each factor on the signal-to-noise ratio, and to evaluate the field techniques developed from...

Yesterday, Today, and Tomorrow in Seismic Exploration

Emil J. Mateker, Jr.

GCAGS Transactions

... an expansion of the geologic information generated from reflection data. In the early stages of this revolution the signal/noise ratio was improved...

Geophysical Interpretation of Pinedale Field

Sally G. Zinke

AAPG Special Volumes

... processed with noise filtering, deconvolution, and migration (Figure 13). The velocity data derived from these crosswell datasets were instrumental...

Predicting Hydraulic Fracture Injection Pressure Using Hybrid Model for Completions Optimization

Ruxin Zhang, Hardikkumar Zalavadia, Sathish Sankaran

Unconventional Resources Technology Conference (URTEC)

... 7. Sensitivity analysis for base model Scenario Description Base model BHP data without noise Effect of noise BHP data with noise Effect of...

Integrated Seismic Processing challenges in Karstified terrain of PNG Fold Belt

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Abstract: Seismic Monitoring of Land Carbonate Reservoirs: Results from a CO2-EOR Demonstration Project; #90319 (2018)

Philippe Nivlet, Robert Smith, Andrey Bakulin, Michael Jervis

Search and Discovery.com

... the level of complexity including: (1) the high degree of reservoir heterogeneity, (2) the expected small effect of fluid changes on seismic amplitudes due...

Integration of Magnetic, Gravity and Geologic Data in Mapping Geologic Structures: A Case Study of a part of Lafiagi [Sheet 203], Southwestern Nigeria, #41737 (2015).

Kehinde A. Olawuyi, Bankole D. Ako, Gregory O. Omosuyi, Obasanmi A. Adelusi

Search and Discovery.com

... MontajTM and Rockwork15TM software. The 3-D Euler Deconvolution and 2-D Forward modeling and inversion of the acquired aero-magnetic and pseudo...

Monitoring Hydraulic Fracture Flowback in the Permian Basin Using Surface-Based, Controlled-Source Electromagnetics

Drew Jones, Chester Pieprzica, Oscar Vasquez, Justin Oberle, Peter Morton, Santiago Treviño III, Mark Hickey

Unconventional Resources Technology Conference (URTEC)

... neighboring wells. The transmitted signal was a broadband pseudo-random binary sequence. To record the frac fluid response signal, we placed an array...

A New Method for Handling the Nugget Effect in Kriging

K. Krivoruchko, A. Gribov, J. M. Ver Hoef

AAPG Special Volumes

... practical distances between data and prediction locations; E((s)) = 0; C(h) = Cov((s),(s + h)) with C() = 0 (no nugget effect); t(s) is a white noise process...

Seismic Exploration in Railroad Valley, Nevada

John H. Vreeland, Bert H. Berrong

Rocky Mountain Association of Geologists

... on the bajada surface where it was impossible to drill the shotholes to the water showed nothing but random noise. LITHOLOGIES FROM VELOCITIES CONCLUSIONS...