Full Spectrum Falcon … Measuring wide broadband airborne gravity data

Chris van Galder

Petroleum Exploration Society of Australia (PESA)

... was purposely built to have two separate, near horizontal gradiometers incorporated into the design. The near horizontal design reduces the noise effect...

The Thousand Dollar Prospect, Rich County, Utah, A Case History

Valen D. Ott, Kenneth R. Kreckel

Rocky Mountain Association of Geologists

... fold 4) Diversity stack: since the signallnoise ratio was low, diversity stack had the effect of upgrading the signal relative to the noise. ’ Marathon...

Abstract: Interpolation Artifacts and Bidimensional Ensemble Empirical Mode Decomposition; #90224 (2015)

Jiajun Han and Mirko van der Baan

Search and Discovery.com

...-distance (f-x) domain to suppress the random and coherent noise. As a 2D extension of EMD, Linderhed (2002,2005) and Nunes (2003) proposed...

Abstract: 3C Deghosting for Refraction Time-lapse Monitoring; #90187 (2014)

P. B. Wills and K. De Meersman

Search and Discovery.com

... radon production (pump) noise attenuation on last 3 surveys. 3. Up-down separation. 4. Surface consistent deconvolution 5. 3D static corrections...

Application of high-resolution reflection seismology to eastern Kansas cyclothems

Ralph W. Knapp

Kansas Geological Society

..., a random function, results in an infinite dispersion of energy which is random or static-type noise. If the amplitude spectrum statistically contains...

Developing a New Technique Through Partnering with Contractors: Reservoir Prediction Utilizing AVO Walkaway VSP Data to Calibrate Surface Seismic Gathers, a Case Study in Indonesia

Patricia L. C. Henderson, Dan Hampson, Scott Leaney, Nigel Smith, John Rice, Dave Boreham

Indonesian Petroleum Association

... by the downgoing wavefield). This type of deconvolution is deterministic, and employs a frequency adaptive noise estimate for optimum resolution within...

An Example of 3-D AVO for Lithology Discrimination in Widuri Field, Asri Basin, Indonesia

Steven W. Smith, Larry Danahey, Romina Himawan, William E. Harmony, H. Lee Gilmore, John W. Armon, Tony L. Bowman, Wayne Smith

Indonesian Petroleum Association

..." tool limited by understanding of the earth model producing the reflection seismogram as well as noise, both recorded and introduced by processing...

Improved Methodology for Using Embedded Markov Chains to Describe Cyclical Sediments

Dennis W. Powers, Robert G. Easterling

Journal of Sedimentary Research (SEPM)

... of structural sequences: Geol. Soc. America Bull., v. 88, p. 1488-1492. POTTER, P. E., AND BLAKELY, R. F., 1968, Random processes and lithological...

Risks of Microseismic Fracture Mapping Mis-interpretation: Source-Dependent Sensitivity Induced by Surface Arrays Observational Bias

Pierre-Francois Roux

Unconventional Resources Technology Conference (URTEC)

.... To this effect, we have generated a synthetic microseismic catalogue in which events are characterized by a random spatial distribution constrained...

Fast Track Reservoir Characterisation of a Subtle Paleocene Deep Marine Turbidite Field Using a Rock Physics and Seismic Modelling Led Workflow

H.J.S. Morris, R. Christensen, D. Gawith, M. Millwood-Hargrave

Indonesian Petroleum Association

... the signal to noise ratio will mean that the geoscience community can gain confidence that any subtle changes that are observed in the seismic signal...

Frequency-dependent reflection characteristics of single thin layer and waveform inversion

Zhengyang Kuai, Danping Cao, Chao Jin

International Meeting for Applied Geoscience and Energy (IMAGE)

...) inversion seismic waveform comparison without noise based on reflectivity method. Then random noise is added to the thin pre-stack data to demonstrate...

Recognition of Subtle Features in Geologic Maps

J. E. Robinson, D. F. Merriam

CSPG Special Publications

... together to form a stack in which the coherent signal is enhanced to that of random noise. A similar concept can be applied to geologic data. Should...

Simultaneous Joint Inversion as a Salt Detector in South Gabon Land Exploration; #40835 (2011)

Marco Mantovani and Thierry Dugoujard

Search and Discovery.com

... concluded that the input with a 10-s line filter and 750-m spatial grid filter was most fit for purpose because a good level of “noise” suppression...

Seismic simulations of experimental strata

Lincoln Pratson, Wences Gouveia

AAPG Bulletin

...) exhibits a somewhat white-noise spectrum, indicating that the bedding boundaries in the experimental strata are essentially random within the region shown...

Pluto 4D„Australias First 4D over a Gas Field is an Outstanding Success

Larry Tilbury, Andre Gerhardt

Australian Petroleum Production & Exploration Association (APPEA) Journal

...) and above expected random noise levels for the area. 4D Models—2013 study The synthetic seismic response differences for the P50 dynamic model...

ABSTRACT: Azimuthally Sectored Attribute Volume Analysis; #90122 (2011)

Amanda Thompson, Jamie Rich, and Mike Ammerman

Search and Discovery.com

... volumes centered about 00 (North), 450, 900, and 1350 were generated for further analysis. To improve fold and signal to noise ratio, the four azimuthal...

Reducing Reservoir Characterization Uncertainties and Improving Field Recovery through Four-Dimensional Seismic Technology: An Integrated Four-Dimensional Seismic Interpretation Workflow

Jie Zhang, Dez Chu, Ganglin Chen, Kelly Wrobel, William L. Soroka

AAPG Special Volumes

... p.Canales, L. L., 1984, Random noise reduction: Society of Exploration Geophysicists Expanded Abstracts 3, p. 525.Devegowda, D., and C. Gao, 2011, Reservoir...

Chapter 14 (Case Histories of Three-Dimensional Seismic Surveys)—Case History 2: Three-Dimensional Seismic Monitoring of an Enhanced Oil Recovery Process

Robert J. Greaves, Terrance J. Fulp

AAPG Special Volumes

... Seismic Data (Seventh Edition), 2011 Domenico, S. N., 1974, Effect of water saturation on seismic reflectivity of sand reservoir encased in shale...

Deconvoluting Mixed Petroleum and the Effect of Oil and Gas-Condensate Mixtures on Identifying Petroleum Systems; #42564 (2020)

Kenneth Peters, Andrew Murray

Search and Discovery.com

...Deconvoluting Mixed Petroleum and the Effect of Oil and Gas-Condensate Mixtures on Identifying Petroleum Systems; #42564 (2020) Kenneth Peters...

Seismic Attenuation Analysis for Reservoir Description

Search and Discovery.com

... peak frequency variation along offset (PFVO) analysis. This multichannel analysis makes the estimation algorithm more robust to random noise...

Spectral Analysis of the Middle Triassic Latemar Limestone

Linda A. Hinnov, Robert K. Goldhammer

Journal of Sedimentary Research (SEPM)

..., or quasi-random, process spectrum. Spectral peaks that deviate positively from the "noise" spectrum at a statistically significant level may...

Abstract: Phase, one of the most Important but often Ignored Attribute of Seismic data: A Study on Real Seismic data Showing Critical Processing Steps to Preserve Phase Integrity, by Syed Firasat Shah, Naeem Sardar, Waqar Ahmad, and Mubashar Zahoor Bhatti; #90160 (2012)

Search and Discovery.com

Abstracts: Microseismic Source Inversion in Anisotropic Media; #90173 (2015)

Scott Leaney, Chris Chapman, and Tadeusz Ulrych

Search and Discovery.com

... function estimation and deconvolution yield the moment tensor. A new decomposition is then applied to the moment tensor, removing the effect...

Broadband data with a new low frequency source Acquisition and processing example from the Gulf-of-Mexico

Xuefeng Shang, Maksym Kryvohuz, Hamish Macintyre, Guido Baeten, Thibaut Allemand, Philippe Herrmann, Stephane Laroche, Shuki Ronen

International Meeting for Applied Geoscience and Energy (IMAGE)

... source boat velocity, one voice data appears as random and incoherent noise in another voice common receiver gather. During our survey, the two sources...

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user

Search and Discovery.com

... deconvolution, attempts to improve amplitude mapping by reducing the effect of interference between close reflectors on their amplitudes. Both...