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The AAPG/Datapages Combined Publications Database
Showing 1,267 Results. Searched 201,044 documents.
Abstract: ERT and Seismic Tomography in Identifying Subsurface Cavities; #90172 (2014)
Grey I. Riddle, Craig J. Riddle, Douglas R. Schmitt
Search and Discovery.com
.... The electrical anomaly in general has larger range; this is due to the smoothing during the inversion. Both methods tend to show a similar anomaly at 25.5m offset...
2014
Abstract: Application of 2D Crosscorrelation and Radon Transform for Analysis of Double Couple Microseismic Source; #90187 (2014)
Neda Boroumand and Hassan Khaniani
Search and Discovery.com
... the relative time lag between the two signals, as shown by the correlation results in Figure 4d. Ray tracing data Smoothing length 40 m @ (x 0,z 0...
2014
Abstracts: Full Waveform Inversion Using One-way Migration and Well Calibration; #90173 (2015)
Gary F. Margrave, Robert J. Ferguson, and Chad M. Hogan
Search and Discovery.com
... model. b) The initial migration velocity model formed by smoothing a) with a 600m Gaussian smoother. c) The updated migration velocity model after 1...
2015
Abstract: Supervirtual S-wave Refraction Interferometry for Converted Wave Statics and Near-Surface S-wave Velocity Model Building; #90224 (2015)
Kristof De Meersman and Yoones Vaezi
Search and Discovery.com
... smoothing of the velocity model is often required for stability. A single pass of residual statics is expected to resolve this and lead to a final solution...
2015
Abstract: Deterministic Marine Deghosting: Tutorial and Recent Advances; #90224 (2015)
Mike J. Perz and Hassan Masoomzadeh
Search and Discovery.com
.... The above deghosting process is the main element in a so-called “broadband” flow which also includes a post-migration spectral smoothing step. Figure 3...
2015
Reconciling Extension from Brittle Faulting, Subsidence, and Kinematic Reconstructions: Lessons from the Woodlark Basin, #30089 (2009)
Andrew M. Goodliffe, Joe Kington, and Brian Taylor
Search and Discovery.com
... AVi d = ∑ exp[∑ • Pi is a trial point ] • Sn is the set of solutions • Vi is the variance about the principal axis • A is a smoothing factor...
2009
Application of 2D Basin Modeling for Evaluation of Petroleum Potential of Outer Part of Hazara-Kashmir Syntaxis (HKS), Sub-Himalayas, #40726 (2011)
Syed Asif Ahsan, Abid H. Baitu, and M. Mudasar Saqab,
Search and Discovery.com
... of time interval (3 MY with time-step precision of 0.01 MY) 43 Special X’s (vertical line) were added for smoothing of time-lines 2D Basin Modeling...
2011
Rock Fabric and Microseismic: an Integrated Approach; #41522 (2015)
Martin Haege, Shawn Maxwell, Lars Sonneland, Mark Norton
Search and Discovery.com
... and applied to map subtle discontinuities in the subsurface rock providing high level of detail of the rock’s heterogeneity. Smoothing of the seismic...
2015
On the Road to the Roadside Geology of Oklahoma, #70302 (2017).
Neil H. Suneson
Search and Discovery.com
... faults Unnecessary or incorrect geology Scale/detail Smoothing Also, updated geology (e.g., Stillwater Fm.) Combine Simpson Group formations Combine...
2017
A Holistic Approach to Model-Building in and Around Injectites: A Case-Study Offshore Norway, , #42193 (2018).
Victoria Valler, Nathan Payne, Thomas Hallett, Marcin Kobylarski, Girish Venkatraman, Jochen Rappke, Dirk Fairclough
Search and Discovery.com
... this muting was applied above Balder +100 m and below Shetland, careful smoothing and clipping of the instantaneous amplitude field was used to achieve...
2018
Initiation Processes and Flow Evolution of Turbidity Currents: Implications for the Depositional Record
William R. Normark, David J. W. Piper
Special Publications of SEPM
... by currents having the observed speeds and 4 both the float housings and flat surfaces on the cur rent meter housings had accumulated significant amounts...
1991
Dynamic casting and growth faulting: Dawson Creek Graben Complex, Carboniferous-Permian Peace River Embayment, Western Canada
J.E. Barclay,, F.F. Krause, R.I. Campbell, J. Utting
CSPG Bulletin
... beds. Many other beds also appear to overlie such truncation surfaces. In central parts of the DCGC, the Kiskatinaw Formation is overlain...
1990
Anatomy of a Flysch
Paul Enos
Journal of Sedimentary Research (SEPM)
... on intra-bed surfaces, Peeblesshire, Scotland: your. Sedimentary Petrology, v. 36, p. 237241. JOHNSON, K. E., 1962, Paleocurrent study of the Tesnus...
1969
Analysis of Electromagnetic Induction Logs to Investigate Saltwater Intrusion into an Alluvial Aquifer
Glenn W. Garneau
Environmental Geosciences (DEG)
... by the stochastic process of GR emission and detection and then smoothing the averaged log with a 35-sample local-average (or “boxcar”) filter...
1996
Statistical Process Control for Early Detection of Progressive Cavity Pump Failures in Vertical Unconventional Gas Wells
Suren Indrajith Rathnayake, Mahshid Firouzi
Unconventional Resources Technology Conference (URTEC)
... 2(b) is obtained by applying a smoothing filter to T2 values. The smoothing filter used is a moving average filter of length 144 (corresponding to one...
2021
Kurau: An Example of the Low-Relief Structural Play in the Malacca Strait Psc, Sumatra, Indonesia.
Sunu H. Praptono, Rovicky Dwiputro, Ian M. Longley, Richard W. Ward
Indonesian Petroleum Association
... to compensate for the longer wavelength of the anomaly. Final smoothing of such remaining anomalies was achieved by smoothing a marker layer (Intra-Petani...
1991
Lithology Prediction by Extrapolating Well Data
Brian Barley, Dean Chergotis, Mai Wilson, Susan Young
Indonesian Petroleum Association
... velocities stored from processing to give horizon consistent stacking velocities, use Dix' equation and smoothing to estimate interval velocities...
1992
Geomechanical prestack depth migration of the Kraken 3D (Browse Basin, Australia)
Jarrod Dunne, Ferudun Kilic, Matthew Zengerer, Pramod Kumar, Hamish Stein, Shiv Pujan Singh, Stephen Gallagher
Petroleum Exploration Society of Australia (PESA)
... near surface topography to achieve a better update in tomography. Heavy smoothing of velocities was imposed where sequence stratigraphic...
2018
Application of Logarithmic Moments to Size Frequency Distributions of Sediments
W. C. Krumbein
Journal of Sedimentary Research (SEPM)
.../)(GM).smoothing the data. When the third moment is so small...
1936
Determining Fracture Geometry in a Multifractured Horizontal Well Using DFIT Interpretation, Intra-well Fracture-To-Fracture Interference, and Production History Matching
David P. Craig
Unconventional Resources Technology Conference (URTEC)
... for smoothing derivative calculations, but it's not always possible to smooth the derivative without changing the shape of the derivative curve (over...
2017
Seismic first arrival tomography for top salt velocity update: A case study in the Santos Basin, Brazil
Paulo H. B. Alves, Marco Cetale, Roger M. Moreira, Sérgio L. E. F. da Silva, Jorge Lopez
International Meeting for Applied Geoscience and Energy (IMAGE)
..., no smoothing filter was employed in the visualization of the well log. This decision was made to maintain the integrity of the data representation...
2024
Analysis and Distribution of Proppant Recovered From Fracture Faces in the HFTS Slant Core Drilled Through a Stimulated Reservoir
Sara J. Elliott, Julia F. W. Gale
Unconventional Resources Technology Conference (URTEC)
... and applying a median smoothing filter dependent on edge pixel size (1 px for 63–120 µm and 120–250 µm, 2 px for 250–500 µm, and 3 px for >500 µm...
2018
Combined Inversion Recovery and CPMG NMR Interpretation Method for More Accurate Quantification of Liquid Saturations in Organic Rich Mudstones
Robert Krumm, James Howard
Unconventional Resources Technology Conference (URTEC)
...: “As-received” NMR inversion recovery data is reprocessed using a reduced regularization or smoothing providing more character to the relaxation time distribution...
2019
The Machine Learning's Classification Methods Comparison to Estimate Electrofacies Type, Lithology and Hydrocarbon Fluids from Geophysical Well Log Data
Dimas Andreas Panggabean, Jihan Hardiyanti Arief, Lucky Kriski Muhtar, MN Alamsyah
Indonesian Petroleum Association
...-A (Figure 9c). In addition to carrying out the log normalization process, smoothing was also carried out for the Gamma Ray log based on the median...
2021
The Effects of Seismic Data Conditioning on Pre-Stack Simultaneous Impedance Inversion
Scott W. Singleton
GCAGS Transactions
... Taner, M. T., and S. Singleton, 2004, 3D application of edge preserving smoothing: The “EPS3D” algorithm: Rock Solid Images Technical Report...
2008