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The AAPG/Datapages Combined Publications Database
Showing 1,267 Results. Searched 201,049 documents.
A Comparative Study for Probabilistic EUR Forecasting in Shale Gas Reservoirs Using Early-Time Production Data
Xiaowen Duan, Xiaolin Xu, Yuewei Pan, Junlei Wang, Ling Fu
Unconventional Resources Technology Conference (URTEC)
... is just to smoothing the curve with fixed transition and other parameters used in type well. As we can see, with limited production data...
2024
Improving Accuracy of an Auto-Forecasting Engine Using a Bayesian Maximum Likelihood Framework for Empirical Decline Curves
Doug McMaster, David S. Fulford, Stephen Krughoff, Zidong Liu, Brennan Medina
Unconventional Resources Technology Conference (URTEC)
... settings include filtering outliers, smoothing data, decline parameters ranges, and b-parameter ranges. An additional two settings are introduced in the MLE...
2024
Geologic Implications of Aeromagnetic Survey of Clearfield-Philipsburg Area, Pennsylvania
H. R. Joesting , Fred Keller, Jr. , Elizabeth King
AAPG Bulletin
... and compilation of the data, the obvious chevrons were eliminated by s oothing. The maximum shift of any contour as a result of the smoothing...
1949
Understanding and Managing Parent Child Well Interactions in the Bakken
Kyoung Suk Min, Xue Yu, Nicholas A. Azzolina, Darren D. Schmidt, Bethany A. Kurz, James A.Sorensen
Unconventional Resources Technology Conference (URTEC)
... captured in these groupings. Nevertheless, the locally estimated scatterplot smoothing (LOESS) lines and 95% confidence bands help illustrate...
2025
Measurement and Analysis of CO2 Adsorption and Permeability in Shales In Application to Geological Carbon Storage
Shengyu Yao, Deniz M. Paker, Aruvin Prakasan, Ram R. Ratnakar, Birol Dindoruk
Unconventional Resources Technology Conference (URTEC)
...estimate the exponent γ, we employed the integral-based linearized inversion method proposed by Ratnakar and Dindoruk (2018), which utilizes integrals as s...
2025
Greensand Fecal Pellets from New Jersey
Paul S. Boyer, Edward A. Guinness , Michael A. Lynch-Blosse , Robert A. Stolzman
Journal of Sedimentary Research (SEPM)
.... There has been no tendency toward smoothing of the irregular margin of the quartz grain, as might be expected if alteration were occurring from...
1977
Uncertainty Analysis in Well-Log and Petrophysical Interpretations
William R. Moore, Y. Zee Ma, Jim Urdea, Tom Bratton
AAPG Special Volumes
... a linear regression is a smoothing transform, the frequency distribution of the transformed property can be very different from the original...
2011
The Analysis of Grain-Size Measurements by Sieving and Settling-Tube Techniques
Paul D. Komar, Bingquan Cui
Journal of Sedimentary Research (SEPM)
... as a continuous curve without smoothing. It is seen that there is excellent agreement between the two Di distributions obtained by sieving and grain...
1984
Marine Sonoprobe System, New Tool for Geologic Mapping
C. D. McClure , H. F. Nelson , W. B. Huckabay
AAPG Bulletin
... over the top of reef b with no apparent effect from the reef but drapes over reefs c and d. The gradual "smoothing-out" of an underlying rough...
1958
The Goodness-of-fit to Ideal Gauss and Rosin Distributions: A New Grain-size Parameter
Ruprecht Schleyer
Journal of Sedimentary Research (SEPM)
... paper can be smoothed by sliding means over three neighboring Sgn or Srn values before calculating the percentiles. The same technique of smoothing...
1987
Quantification of Bioturbation in Hemipelagic Sediments Via Thin-Section Image Analysis: RESEARCH METHODS PAPERS
Pierre Francus
Journal of Sedimentary Research (SEPM)
...) The smallest grains are numerous in typical images. They have Hi values closer to zero, smoothing the final H value of the fabric and, therefore, preventing...
2001
Automated Analysis of Imbrication and Flow Direction in Alluvial Sediments Using Laser-Scan Data
R.P. Millane, M.I. Weir, G.M. Smart
Journal of Sedimentary Research (SEPM)
... to be error-sensitive, there is no indication that this is the case in this study. Smoothing of the raw topography data will be important in this regard...
2006
Directional Survey Problems, East Wilmington Oil Field, California
John N. Truex
AAPG Bulletin
... to be caused by the smoothing out of doglegs by repeated round trips, coupled with depth differences in survey stations. COMPUTATION OF DIRECTIONAL SURVEYS...
1971
Seismic Stratigraphic Model of Depositional Platform Margin, Eastern Anadarko Basin, Oklahoma
William E. Galloway , Marshall S. Yancey , Arthur P. Whipple
AAPG Bulletin
... response and partially negates the smoothing effect of the basal transition zone into underlying, low-velocity shale. Model 3: Model 3 is similar...
1977
Sediment Thickness and Depth to Basement in Western North Atlantic Ocean Basin
Brian E. Tucholke , Robert E. Houtz , William J. Ludwig
AAPG Bulletin
... for applying some kind of smoothing technique over the rough basement terrane. The accompanying maps (depth to basement and isopach of sediments: see Figs. 7...
1982
Seismic Stratigraphic Framework of Deep Central Gulf of Mexico Basin
F. Jeanne Shaub , Richard T. Buffler , John G. Parsons
AAPG Bulletin
... 3-nmi locations as the time values. The average velocity data for each horizon were then gridded, a smoothing filter was applied, and the resultant...
1984
Subsurface Basin Analysis of Fault-Controlled Turbidite System in Bradano Trough, Southern Adriatic Foredeep, Italy
Raffaele Casnedi
AAPG Bulletin
... as a result of the progressive smoothing of subtle depositional relief (Mutti and Normark, 1987). In the southern part of the basin, sand bodies grade...
1988
The Potential Use of Biogeochemistry in the Detection of Petroleum Microseepage (1)
RONALD W. KLUSMAN MAHYOUB A. SAEED , and MAHDI A. ABU-ALI
AAPG Bulletin
... of smoothing the noise inherent in single-element comparisons. The results of these interpretations do not rule out the possibility of a the halo expression...
1992
The Enigma of Oil and Gas Field Growth
Emil D. Attanasi, David H. Root
AAPG Bulletin
..., no. 3 (March), p. 14. Megill, R. E., 1989c, "Smoothing" reserves rates helpful: AAPG Explorer, v. 10, no. 4 (April), p. 46. Megill, R. E., 1989d...
1994
Abstract: AVAZ Inversion for Fracture Orientation and Intensity: a Physical Modeling Study; #90187 (2014)
Faranak Mahmoudian and Gary F. Margrave
Search and Discovery.com
.... To avoid unstable inversion, we smooth the amplitude data prior to inversion. Smoothing is applied by using the best fit polynomial of degree n = 10...
2014
Abstract: Automatic High-Density Constrained Velocity Picking; #90211 (2015)
Emil Blias
Search and Discovery.com
... analysis. (ii) High-frequency velocity oscillations. To remove this kind of deviations, we use median smoothing. (iii) Non-hyperblic NMO curves. To pick...
2015
Analytical Formation Sampling During Drilling Using OPAL On Surface Petrophysical Analytical Logging; #41854 (2016)
Konstandinos Zamfes, Chris Smart, Steve Zamfes
Search and Discovery.com
... calibration parameters there will be no data offsets, smoothing or any other filtering performed at data collection stage. The data in collection data base...
2016
Deep-Water Sequences in Static and Dynamic Basin Margin Accommodation; #11048 (2018)
Martin Grecula, Liam Clarke, Andy Mayfield, Kim Ong, Jennifer Stuart
Search and Discovery.com
... is often associated with increased sand supply and smoothing of rift topography. An overall progradational trend is reflected by superposition...
2018
Evidence Linking Surface Lineaments and Deep-Seated Structural Features in the Williston Basin
Lynden Penner and Jason Cosford
Saskatchewan Geological Society
... filters as well as specialized RADAR filters including the Sigma, Kuan, and Frost RADAR filters. It was found that the Kuan Adaptive Noise Smoothing...
2006
Internal and External Controls on Phanerozoic Rocky Mountain Structures, U.S.A.: Insights from GIS-Enhanced Tectonic Maps
Nicole Bolay-Koenig, Eric A. Erslev
Rocky Mountain Section (SEPM)
... the values using a user-specified smoothing window. A smoothing window of 10° was used for this paper to create rose diagrams where the length of an individual...
2003