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The AAPG/Datapages Combined Publications Database
Showing 661 Results. Searched 195,405 documents.
Characterization of Gas Reservoirs Using Production Data Analysis - Pre-Tertiary Basement Gas Reservoir, South Sumatra, Indonesia
Helmi Pratikno, Teddy H. Komaroedin, Taufan Marhaendrajana
Indonesian Petroleum Association
..., and harmonic rate decline relations. The use of type curves - dimensionless rate solution plotted on a scaled graph - for analysis of production data...
2005
Exploration and Detection of Subsurface Water Using Broadband Electromagnetic Sensors
T. David McGlone
Environmental Geosciences (DEG)
... a clean signal, and significant harmonic content was readily apparent in the data. The square wave will produce odd harmonics; the triangular nature...
1998
Improving Tight Oil Reserves Forecast Using 3-Segment Decline Curves Analysis in a Peruvian Northwest Basin
Leonardo Mogollón, Joseph Sinchitullo, Joel Cahuas
Unconventional Resources Technology Conference (URTEC)
... equations. Arps recognized the following three types of decline rate behaviors: Exponential decline, harmonic decline, and hyperbolic decline (Arps...
2021
Rate of Reflux Dolomitization Based on Hydrodynamic Modeling of a Glen Rose Dolostone, Austin, Texas
Shawn M. Fullmer, F. Jerry Lucia
GCAGS Transactions
... dolostone samples were collected and analyzed for oxygen and carbon isotopes. For calcite from limestone, the average δ18O is -1.8‰ (per mille...
2010
Novel Approaches for the Simulation of Unconventional Reservoirs
Bicheng Yan, John E. Killough, Yuhe Wang, Yang Cao
Unconventional Resources Technology Conference (URTEC)
.... In Equation (2), Kapp is a harmonic average concept considering the weight from both matrix and fracture, so the impact of fracture permeability can...
2013
A New Look at Reserves Estimation of Unconventional Gas Reservoirs
Mazher H. Ibrahim, Omar Mahmoud, Chester Pieprzica
Unconventional Resources Technology Conference (URTEC)
... on an empirical rate/time hyperbolic decline equation. Arps’ equation has three forms depending on the value of b-factor: exponential (b = 0), harmonic...
2018
Evaluation of the Rock Properties in Structurally Deformed Areas Based on Outcrop Analogues for Offshore Fields in Azerbaijan, #51461 (2018).
Shahriyar Alkhasli, Gasham Zeynalov, Aydin Shahtakhtinskiy
Search and Discovery.com
.... Figure 17. Estimated (harmonic average technique) permeability of the deformation band vs. its host rock. Bubbles sized by XRD-derived clay content...
2018
Hemispheric Asymmetry of the Marine Stratigraphic Record: Conceptual Proof of a Unipolar Ice Cap
Martin A. Perlmutter, Roy E. Plotnick
Special Publications of SEPM
...). As indicated, the evaluation clearly identifies the major harmonic of the precession cycle, which is around 23 kyr. This harmonic accounts for most...
2003
The Geometry and Thickness of Deformation-band Fault Core and its Influence on Sealing Characteristics of Deformation-band Fault Zones
Z. K. Shipton, J. P. Evans, L. B. Thompson
AAPG Special Volumes
... grid blocks have the same host rock and fault zone permeabilities, the area-weighted harmonic average of fault zone thickness (tf) can be used...
2005
Calculating Lunar Retreat Rates Using Tidal Rhythmites
Erik P. Kvale , Hollis W. Johnson , Charles P. Sonett , Allen W. Archer , Ann Zawistoski
Journal of Sedimentary Research (SEPM)
... 1966). However, the Earth's oceans do not conform to equilibrium tidal theory. For this reason the concept of harmonic analysis of tidal constituents...
1999
Unraveling the Origin of Carbonate Platform Cyclothems in the Upper Triassic Durrenstein Formation (Dolomites, Italy)
Nereo Preto, Linda A. Hinnov
Journal of Sedimentary Research (SEPM)
... sedimentary systems: concepts for a high-resolution analysis: Sedimentary Geology, v. 128, p. 201-221. THOMSON, D.J., 1982, Spectrum estimation and harmonic...
2003
Effect of Faulting on Fluid Flow in Porous Sandstones: Petrophysical Properties
Marco Antonellini, Atilla Aydin
AAPG Bulletin
... of a harmonic mean average to correct the measurements. The best match between permeability in zones 1 cm thick and in zones less than 1 cm thick was obtained...
1994
Thermal effects of Zechstein salt and the Early to Middle Jurassic hydrothermal event in the central Polish Basin
Gary W. Zielinski, Pawel Poprawa, Jan Szewczyk, Izabella Grotek, Hubert Kiersnowski, Robyn L. B. Zielinski
AAPG Bulletin
... area of the central Polish Basin reveal average geothermal gradient (36C/km), thermal conductivity of Mesozoic strata (k = 2.29 W/m K), and present-day...
2012
Effects of Porosity Models on Thermal History in Geohistory Models, #41392 (2014)
Alton A. Brown
Search and Discovery.com
.... Harmonic Average BTC = ∑ Li i =1 n i =1 Power Average = Li ∑ TC Averaging TC of heat flow normal to infinite layers, where L i are n n i...
2014
Oil and Gas Property Evaluation: Chapter 12: Part III. Economic Aspects of the Business
Gene B. Wiggins III
AAPG Special Volumes
..., the recoverable condensate is generally determined by multiplying the average condensate yield in barrels per million cubic feet (MMCF) of gas by the recoverable...
1992
Analysis of Fluid and Heat Regimes in Sedimentary Basins: Techniques for Use with Large Data Bases
S. Bachu, C. M. Sauveplane, A. T. Lytviak, Brian Hitchon
AAPG Bulletin
... previously by Jones and Johnson (1983), for the Swan Hills area of Alberta, which consists of a sedimentary block of 38,300 km3 with an average thickness...
1987
Rhythmic Sedimentation in a Mid-Pennsylvanian Delta-Front Succession, Magoffin Member (Four Corners Formation, Breathitt Group), Eastern Kentucky: A Near-Complete Record of Daily, Semi-Monthly, and Monthly Tidal Periodicities
Rhonda M. Adkins, Kenneth A. Eriksson
Special Publications of SEPM
... liptical orbit around the earth. Perigean (minimum lunar disliptical tance tance) periods are characterized by higher-than-average tides, periods...
1998
The Milankovitch Interpretation of the Latemar Platform Cycles (Dolomites, Italy): Implications for Geochronology, Biostratigraphy, and Middle Triassic Carbonate Accumulation
Nereo Preto, Linda A. Hinnov, Vittorio De Zanche, Paolo Mietto, Lawrence A. Hardie
Special Publications of SEPM
... to a timescale that is five times shorter than this astronomically calibrated estimate; similar discrepancies arise when the average duration of Triassic...
2004
Application of High-Resolution Sequence Stratigraphy to the Upper Rotliegend in the Netherlands Offshore: Chapterr 11: Recent Applications of Siliciclastic Sequence Stratigraphy
Chang-Shu Yang, Swie-Djin Nio
AAPG Special Volumes
... in the Netherlands and its gas accumulations: Geologie en Mijnbouw, v. 59, no. 1, p. 3-24. Walther, J., 1894, Einleitung in die geologie als historische...
1993
Uncertainty in well test and core permeability analysis: a case study in fluvial channel reservoirs, northern North Sea, Norway
Shi-Yi Zheng, Patrick W. M. Corbett, Alf Ryseth, George Stewart
AAPG Bulletin
... average, where the exponent p can range between 1 (arithmetic average) and -1 (harmonic average). Statistically, the exponent p (i.e., kp) should lie...
2000
Structural heterogeneity and permeability in faulted eolian sandstone: Implications for subsurface modeling of faults
Zoe K. Shipton, James P. Evans, Kim R. Robeson, Craig B. Forster, Stephen Snelgrove
AAPG Bulletin
... is the harmonic average of a variety of data sets. For our data set, this relationship would predict that the fault should be about 4.7 cm thick where the fault...
2002
Advances in Micromodeling using Resistivity Borehole Images
John G. Manchuk, David L. Garner, Clayton V. Deutsch
CSPG Bulletin
... of the fine scale true formation conductivity. To assess the consistency between the HMI and Rt log, the harmonic average of C−1ij with a vertical scale...
2015
Production Forecasting in Shale Reservoirs through Conventional DCA and Machine/Deep Learning Methods
Cenk Temizel, Celal Hakan Canbaz, Onder Saracoglu, Dike Putra, Ali Baser, Tomi Erfando, Shanker Krishna, Luigi Saputelli
Unconventional Resources Technology Conference (URTEC)
... forecasting technique for unconventional hydrocarbon plays Auto-Regressive Integrated Moving Average (ARIMA) method is a statistical modeling practice...
2020
Magnetic Anomalies and Crustal Structure in Eastern Gulf of Mexico
D. I. Gough
AAPG Bulletin
...., S. Hendricks, W. E. Daniels, and D. C. Jensen, 1964, Computation of the main geomagnetic field from spherical harmonic expansions: N.A.S.A. Pub. TMX...
1967
Introducing Geological Processes in Reservoir Models
Janice Liwanag
GEO ExPro Magazine
... upscaling methods such as arithmetic, geometric or harmonic averaging do not consider the fact that the data is biased to a specific grid scale...
2005