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The AAPG/Datapages Combined Publications Database
Showing 2,477 Results. Searched 201,044 documents.
Retrieving geological signal from full tensor gravity gradiometry data using source body migration
Colm Murphy, Richard Farnell, Chris Bellamy, Alan Morgan
International Meeting for Applied Geoscience and Energy (IMAGE)
.... The noisy overprint degrades the signal limiting the ability to map clear signal from the subsurface. FFT based filtering methods are routinely used...
2023
Abstract: Robust Singular Spectrum Analysis for Erratic Noise Attenuation; #90187 (2014)
Ke Chen and Mauricio D. Sacchi
Search and Discovery.com
... filtering, equations truncated singular value decomposition (TSVD) or fast approximations to TSVD for rank-reduction. SSA is efficient for attenuating...
2014
Aspects of the Hydrogeology of the Southern Eromanga Basin, Queensland
P. J. Muller
Petroleum Exploration Society of Australia (PESA)
... effect is diminished where beds subcrop against impervious basement or become more sandy because of facies variations, and by some faults, which allow...
1989
Geology and environmental change: a New Brunswick perspective
A. G. Pronk
Atlantic Geology
... that are the result of this, are beginning to have their effect. The indiscriminant use of natural resources and the production of synthetic materials...
1991
Using Interval Resistivity Data to Help Detect Ground-Water Contamination as a Function of Space and Time — A Case Study, Provo, Utah
Alvin K. Benson, Melissa A. Stubben
Utah Geological Association
... Association, p. 11–28. Interprex Limited, 1988, BOSSIX User’s Manual: Golden, CO., Interpex Limited. Karous, M.K., and Hjelt, S.E., 1983, Linear-filtering...
1995
Post-Fracture Pressure Decay: A Novel (and Free) Stage-Level Assessment Method
Michael Sullivan, Behnam Zanganeh, Austin Springer, Christopher Clarkson
Unconventional Resources Technology Conference (URTEC)
... some advantages because the software is adept at handling rate and pressure data and has advanced data filtering tools. The semilog analysis plot used...
2019
Accumulation of Fine-Grained Sediments in a Periodically Energetic Clastic Environment, Cape Lookout Bight, North Carolina
John T. Wells
Journal of Sedimentary Research (SEPM)
...: Canadian Jour. Fisheries and Aquatic Sci., v. 40 (suppl. 1), p. 83-95. KRANCK, K., 1984, The role of flocculation in the filtering of particulate matter...
1988
Synergetic Search for Subtle Accumulations of Petroleum in Upper Pennsylvanian Algal-Mound and Grainstone Carbonates in Kansas
W. Lynn Watney
Kansas Geological Society
... logs to detect and interpret more directly changes in the strata. Signal enhancement just as multiplexing and frequency filtering, however, may...
1984
Metal attenuation processes in a landfill containing coal combustion waste: Implications for remediation
Christopher Barton, Lindy Paddock, Christopher Romanek, Sally Maharaj, John Seaman
Environmental Geosciences (DEG)
... evapotranspiration (Dobson and Moffat, 1995). The net effect of these techniques is to cut off the oxygen source and to stabilize sediments...
2005
Methods for Recovery of More Oil from Known Fields
T. M. Geffen
Indonesian Petroleum Association
..., the composite effect of the forces limits oil recovery. Tertiary or enhanced recovery is achieved by control of the forces through the use of chemicals...
1980
Further Notes on the Hydraulic Theory of Oil Migration and Accumulation
John L. Rich
AAPG Bulletin
... to migration. In general, faults trending parallel to the direction of water movement should have little or no effect. If a fault lies at right angles...
1923
Gravity Survey of the Layang-Layang Tertiary Basin in Johor, Peninsular Malaysia - A Preliminary Report
V. R. Vijayan
Geological Society of Malaysia (GSM)
... gravity gradient along the southern edge represents a major structural discontinuity, probably a fault plane, and possibly includes the effect...
1990
Evaluating the Effect of Natural Fractures on Production from Hydraulically Fractured Wells Using Discrete Fracture Network Models
Thomas Doe, Alfred Lacazette, William Dershowitz, Clifford Knitter
Unconventional Resources Technology Conference (URTEC)
...Evaluating the Effect of Natural Fractures on Production from Hydraulically Fractured Wells Using Discrete Fracture Network Models Thomas Doe, Alfred...
2013
Time Series Analysis I
Roy E. Plotnick and Karen L. Prestegaard
Special Publications of SEPM
..., the expected value from a random process, has been called the "Hurst phenomenon" or "Hurst effect" (e.g., Walls and Matalas, 1970; Klemes, 1974; Beran...
1995
Time Series Analysis II
Gerard V. Middleton
Special Publications of SEPM
... by removing the effect of the autocorrelation. A revised form of false nearest neighbors, called "false strands" is currently under development...
1995
Nanotomography of Spontaneous Imbibition in Shale
Morteza Akbarabadi, Mohammad Piri
Unconventional Resources Technology Conference (URTEC)
... of the qualitative and quantitative analyze, e.g., segmentation [26]. To resolve this issue, we used smoothening and filtering modules provided by Avizo...
2014
Computer Applications in an Oil-Exploration Company
D. L. Stauft
CSPG Bulletin
... may in effect reduce the amount of searching through visual files by asking for a printout of all cores or tests within a specified geological interval...
1968
Satellite Interferometry and the Detection of Active Deformation Associated with Faults in Suban Field, South Sumatra Basin, Indonesia
Richard A. Schultz, Xiaopeng Tong, Khalid A. Soofi, David T. Sandwell, Peter H. Hennings
Indonesian Petroleum Association
... filter, then stacked to yield an average LOS velocity map of Suban field. The filtering step reduces the error sources associated with any ground motion...
2014
Permeability, Its Measurement and Value
Charles Merrick Nevin
AAPG Bulletin
... suggestions that have been advanced to explain this are: adsorbed air that is trapped in the sample producing a Jamin effect; a clogging action...
1932
Determining Maximum Horizontal Stress with Microseismic Focal Mechanisms - Case Studies in the Marcellus, Eagle Ford, Wolfcamp
Alireza Agharazi
Unconventional Resources Technology Conference (URTEC)
... a significant effect on the stimulation pattern and must be considered for efficient well spacing and stage length design. Numerical simulations of hydraulic...
2016
Sedimentology and Depositional History of the Permo-Triassic Spearfish Formation, Southwestern Black Hills, South Dakota
J. M. Sabel
Wyoming Geological Association
...), Black Hills region: unpublished thesis, Univ. of Neb., Lincoln. Crowley, K. D., 1984, Filtering of depositional events and the completeness...
1984
Gravity in the Prince of Wales, Somerset, and Northern Baffin Islands Region
A. W. J. Berkhout
CSPG Special Publications
... trends (Fig. 2). Calculation of the gravity effect of a two dimensional geologic model therefore allows us to make a quantitative estimate...
1973
Identification and Quantification of Parasequences Using Expectation Maximization Filter: Defining Well Log Attributes for Reservoir Characterization
Saurabh Sinha, Raj Kiran, Javier Tellez, Kurt Marfurt
Unconventional Resources Technology Conference (URTEC)
...: we first provide a statistical filtering approach to interpret the parasequences in a well log and then use machine assisted application on other...
2019
Seismic Forward Modeling of Semberah Fluvio-Deltaic Reservoir
Adi Widyantoro, Wahyu Dwijo Santoso
Indonesian Petroleum Association
... a total of 46 selected lines, which provide an average phase correction of around 70degree rotation for the entire dataset. Gaussian filtering...
2021
Automating Petrophysics and Decline Curves Analysis for Performance Prediction at the Basin -Scale: Application to the Powder River Basin
Cameron Snow, Roland Gunther
Unconventional Resources Technology Conference (URTEC)
... for issues associated with using barite muds. The effect of normalization was evaluated using cross-sections for both curves. An example is shown in Figure 6...
2020