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The AAPG/Datapages Combined Publications Database

Showing 1,267 Results. Searched 201,049 documents.

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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

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