Proppant Damage Characterization using Nuclear Magnetic Resonance Measurements, #80552 (2016).

Saurabh Tandon, Aderonke Aderibigbe, Zoya Heidari, Jingyu Shi, Tihana Fuss-Dezelic

Search and Discovery.com

... time of the sequence was kept at 80 microseconds. The minimum signal to noise ratio of 100 was used for acquisition of data. The data was calibrated...

I. Relation of Structural Section to Seismic Section

Robert E. Sheriff

AAPG Special Volumes

... of the event. The result is similar to the phantom diffraction effect which was produced by a velocity "lens". The likelihood of buried-focus...

Least-squares reverse time migration: Lessons learned from recent applications in challenging areas of the Santos Basin, Brazil

Jos Rodrigues, Felipe Duarte, Danilo Domingos, Bruno Pereira-Dias, Elionardo Pintas

International Meeting for Applied Geoscience and Energy (IMAGE)

... by Fourier domain decomposition (Machado & Cunha, 2015). With these domain decomposition filtering, we use the good signal-to-noise components in the seismic...

New Experimental Method for Enhanced and Fast Saturation of Irregular-Shaped Tight Rock Samples

Sabyasachi Dash, Zoya Heidari

Unconventional Resources Technology Conference (URTEC)

...-to-noise ratio (SNR) of 100 is achieved. We then invert the magnetization decay signal to NMR T2 distribution using Lawson and Hanson’s (LH) nonnegative...

Methodology for Enhancing and Evaluating Geologic Effects of Time Series Models: A Case of Ground Response in Santa Clara Valley, California, #41097 (2012)

Olusola Samuel-Ojo, Lorne Olfman, Linda A. Reinen, Arjuna Flenner, David D. Oglesby, Gareth J. Funning

Search and Discovery.com

... by subtracted the mean content or seasonal mean or both from the inliers. Signal-to-noise Ratio Enhancement Component This component is indicated...

Abstract: On-Site Nutrient Depletion as a Cause and an Effect of Soil Erosion

Ghulam M. Hashim

Geological Society of Malaysia (GSM)

...Abstract: On-Site Nutrient Depletion as a Cause and an Effect of Soil Erosion Ghulam M. Hashim 202 On-site nutrient depletion as a cause...

Abstract: 2D Depth Velocity Analysis without Tomography; #90187 (2014)

J. Patrick Butler and Randy Kolesar

Search and Discovery.com

... projects, it does have some drawbacks, including multiple and noise sensitivity. Event picking can be a problem and the initial model needs to be good...

Estimation of Reservoir Fluid Saturation from 4D Seismic Data: Effects of Noise on Seismic Amplitude and Impedance Attributes

Rafael Souza, David Lumley, Jeffrey Shragge

Petroleum Exploration Society of Australia (PESA)

.... The quality of seismic data depends directly on signal-to-noise ratio (S/N) levels and, in 4D studies, especially on the repeatability...

Multichannel Seismic Depth Sections and Interval Velocities over Outer Continental Shelf and Upper Continental Slope between Cape Hatteras and Cape Cod: Rifted Margins

John A. Grow , Robert E. Mattick , John S. Schlee

AAPG Special Volumes

... the signal-to-noise End_Page 65------------------------- ratio. Finally, the reflection time to a seismic horizon can be multiplied by the average velocity...

Advances in Depth Imaging Technology: Rock Physics Guided Migration of Seismic Data in 3D

Nader C. Dutta, Sherman Yang, Jianchun Dai

Indonesian Petroleum Association

... much of enhancements both in terms of signal to noise ratio and resolution. However, both images use underlying velocity that yield pore pressure...

First Breaks Picking: a Key Element to Improve Seismic Imaging through Full-Waveform Inversion on Land Data

Search and Discovery.com

Lithofacies prediction of shale based on broadband spectral inversion

Hongmei Luo, Yiran Xing, Changjiang Wang, Jingtao Zhang, Peijie Yang

International Meeting for Applied Geoscience and Energy (IMAGE)

... the conventional seismic resolution. The input of the spectral simulation inversion are respectively the seismic profile with high signal-to-noise...

Full Waveform Inversion on Bekapai Field: A Game-Changer Technology for Our Seismic Imaging Workflows

Magali Beele, Clement Fleury, Claudio Strobbia, Muhammad-Thurisina Choliq, Jacques Bonnafe, Gilles Vallon

Indonesian Petroleum Association

... image (gas cloud area). The gas pockets strongly absorb the seismic energy, perturb the seismic image, and lower significantly the signal to noise ratio...

Waterflood Performance Monitoring: 4D-Microgravity and Vertical Electrical Sounding (VES) Approach in Tanjung Complex Structure, Tanjung Field, South Kalimantan

Fahmi Bajry, R. Agung I. Wardhana, Reza Rahadian, Adhitya Pratama Lanadito, Wawan Gunawan A. Kadir

Indonesian Petroleum Association

..., so the gravity data acquired is purely and dominantly come from reservoir activities, in context of signal to noise ratio enhancement. The Tanjung...

Drill Bit Geomechanics and Fracture Diagnostics Optimize Completions in the Powder River Basin

Ellen Scott, Claudio Ramos, Eric Romberg

Unconventional Resources Technology Conference (URTEC)

... highlights any intervals in which the well path is out of zone. Track 3 shows Measured Depth. This track also includes the Signal-to-Noise Ratio (SNR) Flag...

Long Climatic Time Series from Sediment Physical Property Measurements

Timothy D. Herbert, Larry A. Mayer

Journal of Sedimentary Research (SEPM)

... a measure of the signal-to-noise ratio at each frequency. Well-behaved spectral "lines" give high F-test values; diffuse, non-periodic spectral...

Common Fallacies in Electric Log Interpretation

R. G. Hamilton

Tulsa Geological Society

.... These are tabulated briefly below: Factors influencing the S. P. magnitude and shape: The Ratio, Rmf/Rw. The effect of temperature with depth...

Innovations in Borehole Microresistivity Image Data Analysis, #41488 (2014).

Peter A. Elkington, Said Assous, James A. Whetton, David Hu

Search and Discovery.com

... effect. We have developed a high-fidelity numerical model of the whole measurement system; this shows that each measurement electrode has its own unique...

The development and extent of photic-zone euxinia concomitant with Woodford Shale deposition

Gregory T. Connock, Thanh X. Nguyen, and R. Paul Philp

AAPG Bulletin

... of isorenieratane as a marker for PZE. Concentrations of renierapurpurane (Table 2) were not adequate for CSIA, because the low signal-to-noise ratio inhibited...

Mesozoic and Cenozoic Chronostratigraphy and Cycles of Sea-Level Change

Bilal U. Haq, Jan Hardenbol, Peter R. Vail

Special Publications of SEPM

... are then stacked to enhance the signal-to-noise ratio. In this way, the stacked mean ages were used to calibrate the late Cretaceous through Cenozoic magnetic...

Some Applications and Problems of the Seismic Refraction Technique in Civil Engineering Projects in Malaysia

B. K. Lim, S. J. Jones

Geological Society of Malaysia (GSM)

... the signal to noise ratio*, especially over long distances though one has to consider the repeatability of the seismic signal. In terrain where the soil...

Proximal to Distal Variability of Mississippian Lithofacies, Diagenetic Processes, and Reservoir Quality within a Mixed Siliciclastic-Carbonate System, Northern and Central Oklahoma, USA

Fnu Suriamin, Matthew Pranter

Unconventional Resources Technology Conference (URTEC)

... signal-to-noise ratio. URTeC 2562 3 Figure 1. Regional base map showing the major tectonic and basinal features of Oklahoma and northwestern part...

Dynamics and deposition of sediment-bearing multi-pulsed flows and geological implication

Viet Luan Ho, Robert M. Dorrell, Gareth M. Keevil, Robert E. Thomas, Alan D. Burns, Jaco H. Baas, William D. McCaffrey

Journal of Sedimentary Research (SEPM)

... fluid in front of the aDvp probes was seeded with neutrally buoyant hollow glass spheres of 10 μm diameter (Sphericel 110-P8) to raise the signal-to-noise...

Spatial and vertical patterns of peak temperature in the Delaware Basin from Raman spectroscopy of carbonaceous material

Telemachos A. Manos and Nicholas D. Perez

AAPG Bulletin

... with temperature and ordering. High fluorescence in low-maturity samples decreases the signal-to-noise ratio, leading to variation in final peak-fitting results...

Magnetotelluric Investigation of the Pleistocene Nueces River Incised Valley, Mustang Island, Texas

Egon T. Weber, Richard Hay, James R. Garrison, Jr.

GCAGS Transactions

... the signal to noise ratio. For this survey, data were acquired during two days for a total of nine soundings in the study area at eight stations (Fig. 1). One...