Abstract: Impact of Accurate Velocities from Signal Fidelity Enhancement for Reliable Seismic Interpretation - Example from Kuwait, by Wael A. Zahran, Riyanto Purbokusumo, Nawaf Al-Muatairi, and Hamed M. Hameed; #90105 (2010)

Search and Discovery.com

An Efficient Workflow for Geological Characterization in Unconventional Reservoirs From a New Through-the-Bit Logging Electrical Micro-Imaging Tool

Search and Discovery.com

Evaluation of Electron Tomography Reconstruction Methods for a Barnett Shale

Laura Frouté, Emeric Boigné, Matthias Ihme, Anthony R. Kovscek

Unconventional Resources Technology Conference (URTEC)

... through the sample, the signal to noise ratio remains small and the projection range is restricted to only a partial set of angles (±60° tilt angle...

Pilot Phase of the Aguada Federal Block, Black-Oil Window

Osvaldo Nielsen, David Curia, Pablo Pateti, Javier Caniggia, Alexis Ortega, Morten Slinde

AAPG Special Volumes

... correlation, high signal/noise ratio (SNR), and amplitude-stable data. To obtain this data quality, a well-defined acquisition program and processing...

Fiber Optic Sensing-Based Production Logging Methods for Low-Rate Oil Producers

Ge Jin, Kyle Friehauf, Baishali Roy, Jesse J. Constantine, Herbert W. Swan, Kyle R. Krueger, Kevin T. Raterman

Unconventional Resources Technology Conference (URTEC)

.... The slugging signal can be enhanced by taking the temporal derivative of the signal. Other processing techniques that enhances the signal-to-noise ratio (SNR...

Abstracts: Challenges and Solutions in Locating and Interpreting Microseismic Events from Surveys in the Horn River Basin; #90173 (2015)

Ulrich Zimmer

Search and Discovery.com

... some unexpected event distributions. Long travel paths of the signal in a complicated velocity model create complex wavefields with multiple arrivals...

How Sealed Is a Seal? - High Resolution Seal Integrity Evaluation Using 3D Seismic Data

Gary Yu

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... pre-stack time migrated (PSTM) data in terms of high signal-to-noise ratio (SNR) and high resolution (HR). The high SNR and HR PSTM data provides...

A Stitch in Time!

Kim Gunn Maver, Helge Aven, Neil Hodgson, Paolo Esestime, Spectrum

GEO ExPro Magazine

... and varying processing sequences and therefore varies in quality (bandwidth and signal to noise ratio). Spectrum’s Seamless Seismic product has been...

Electromagnetic Imaging of Oil and Gas Traps

Professor George V. Keller, M. Tahsin Tasci, John M. Jack Jordan

Montana Geological Society

... stacked in order to improve the signal to noise ratio. Then, resistivity formulas derived from Maxwell's equations are used to calculate...

Elastic wave reverse-time migration with dynamic focused beams for weak anisotropic media

Ning Qin

International Meeting for Applied Geoscience and Energy (IMAGE)

... and the signal to noise ratio of local profile is higher. This demonstrates the proposed method can be applied to anisotropic media. (b) (c) (d) Figure 2...

High-frequency FWI on Clair OBN dataset Challenges and successes

Matvey Romanenko, Lee Saxton, Dan Davies, James Sheng, Faqi Liu, Jan Gromotka, Yang He

International Meeting for Applied Geoscience and Energy (IMAGE)

...). It has better resolution and signal to noise ratio and reveals more detail in the reservoir section. The least squares nature of this image also leads...

Nondestructive testing for wellbore integrity with distributed acoustic sensing

Ivan Lim Chen Ning, Mike Craven, Timothy Tokar, Saptarshi Dasgupta, Paul Benet, Michael Merlino, Craig Feherty

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Accurate source trigger timekeeping enables the ability to stack multiple sweeps to improve the signal-to-noise ratio (SNR). We can infer...

Full-Waveform Inversion Application on 2D Slanted Streamer Data - A Case Study

Andreas Waluyo

Indonesian Petroleum Association

... (bottom). The early arrivals of slanted streamer data have a higher signal-to-noise ratio, which was further enhanced with SSD. Figure 2 - A multiwindow...

Integrated geophysics-geology-engineering Technology in mountainous shale gas exploration and development: A case study in southern Sichuan, China

Xiaolan Wang, Furong Wu, Dianguang Zang, Xiao Yang, Hong Liang, Xiaojiang Deng

International Meeting for Applied Geoscience and Energy (IMAGE)

..., with the average signal-to-noise ratio increasing from 1.127 to 2.038, effectively suppressing the noise. Figure 2: After high-resolution processing...

ABSTRACT: Local site effect evaluation through Horizontal-to-Vertical Spectral Ratio (HVSR) in Johor Bahru

Siti Noor Shafiqah Badrolhisham, Abdul Halim Abdul Latiff

Geological Society of Malaysia (GSM)

...ABSTRACT: Local site effect evaluation through Horizontal-to-Vertical Spectral Ratio (HVSR) in Johor Bahru Siti Noor Shafiqah Badrolhisham, Abdul...

Processing the KTK 3D seismic Survey for Azimuthal Information: San Joaquin Basin, California; #41649 (2015)

M. Lee Bell and Gary Myers

Search and Discovery.com

... signal-to-noise this method is higher resolution than the velocity method. Survey Description (Slide 13) The KTK survey was shot with a combination...

Seismic attenuation extracted from isolated traffic signals

Yumin Zhao, Yunyue Elita Li, Bei Li, Wei Luo, Zhaoyin Liu, Yuxuan Zhou

International Meeting for Applied Geoscience and Energy (IMAGE)

... when applied on seismic data with different signal-to-noise ratios. We apply the method on about seven-month-long seismic data recorded by seismic...

Building a three-dimensional near-surface geologic and petrophysical model based on borehole data: A case study from Chemery, Paris Basin, France

Paola Sala, Marcel Frehner, Nicola Tisato, O. Adrian Pfiffner

AAPG Bulletin

... rate. Seismic signals from the receiver were acquired using a digital oscilloscope (LeCroy Waveace 214). To increase the signal-to-noise ratio, 256...

The Isotopic Age of the Flathead Sandstone (Middle Cambrian), Montana: NOTES

Sambhudas Chaudhuri, Douglas G. Brookins

Journal of Sedimentary Research (SEPM)

... contribute to the total Sr87 content of sedimentary rocks. Uniformity of the initial Sr87/Sr86 ratio sediment is not commonly expected of clastic sediments...

Integrated Full Waveform Inversion and Dip Constrained Tomography for Complex Carbonate Imaging - Case Study from Indonesia

Yonghe Guo, Jun Wang, Pongga Wardaya, Riaz Alai, M Afiq B Mokhtar, Rizki Krishna Pratama, Haryono Haryanto

Indonesian Petroleum Association

... arrows in Figure 1. The legacy PSTM stack shows strong pull up effect beneath the carbonate platforms, which is not a real geological structure...

Comparison of Image Logs to Nuclear Magnetic Resonance Logs, #70169 (2014).

Charles H. Smith, Kyle Nelson, Ashely Hall

Search and Discovery.com

... measurement of 8000 ms is possible. Large sensitive volume NMR tools are capable of accomplishing this objective because of the large signal-to-noise...

Regional detection and monitoring of injection-induced seismicity: Application to the 2010–2012 Youngstown, Ohio, seismic sequence

S. G. Holtkamp, M. R. Brudzinski, and B. S. Currie

AAPG Bulletin

... third of the day is dominated by noise, defined as any signal other than an earthquake similar to the template event, most likely cultural noise...

Suppression of coherent and random noise using adaptive thresholding method in seismic-while-drilling

Yue Ma, Yujin Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... domain, where the signal and noise have different characteristics. The spatially random noise uncorrelated from trace to trace can be attenuated...

Petrographic Examination of Sedimentary Rocks in the Sem Using Backscattered Electron Detectors

Kenneth Pye, David H. Krinsley

Journal of Sedimentary Research (SEPM)

... surface, the BSE yield is approximately five times greater than the SE yield (Robinson and George 1976). This means that the BSE signal to noise ratio...

Diving wave tomography: Velocity modelling using first arrival traveltime

Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu

Geological Society of Malaysia (GSM)

... particularly when seismic data has poor signal-to-noise ratio (SNR) with complex geologic settings where no clear reflector is present. Considering...