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The AAPG/Datapages Combined Publications Database
Showing 5,197 Results. Searched 200,636 documents.
Structural Style and Decollement Levels in the Llanos Orientales Basin (Colombia)
Isabelle Moretti, Juan Carlos Mondragon, Julio Cesar Garzon, Gabriella Bosio, Jean Marc Daniel
AsociaciΓ³n Colombiana de GeΓ³logos y Geofisicos del PetrΓ³leo (ACGGP)
... of the Paleozoic and an inverse fault may be drawn from the basement up to the Paleozoic, although other possibilities are feasible. In general the fact...
2009
Application of gravity and magnetic techniques to model the geometry of the northern margin of the Onion Creek salt diapir, Paradox Basin, Utah
Julia M. Astromovich, Mark R. Baker, Diane I. Doser, William Houston
Rocky Mountain Association of Geologists
... a similar trend, but also suggest more complicated 3-D structure exists beneath the study area. Forward and inverse modeling indicated a salt shoulder model...
2022
Upper Cretaceous Deep Water Winters Sandstone, Cities Service Nixon Community No. 1, Solano County, California
R. W. Tillman, S. M. Hughes, R. M. Scott, D. H. Dailey
Special Publications of SEPM
... genetic units. Two vertical sequences of grain-size data, in units designated lA and 1B, are listed in Table 1. Inverse grading upward is indicated...
1981
Relationships Between Reservoir Petrography and Reservoir Behavior of Some Appalachian Oil Sands
J. C. Griffiths
Tulsa Geological Society
... is substituted as the dependent variable the amount accounted for by these four variables is 30 per cent and proved non-significant. The inverse matrix...
1960
Evaporite Cycles and Lithofacies in Lucas Formation, Detroit River Group, Devonian, Midland, Michigan
R. David Matthews
AAPG Special Volumes
...). Mechanics o origin of such evaporite deposits--the "inverse sequence" or "recessive" of Richter-Bernburg (1972, p. 35)--are not understood clearly...
1977
Clast-Contact Conglomerates in Submarine Canyon Fill: Possible Subaqueous Sieve Deposits, Carmelo Formation (Paleocene), Point Lobos, California
M. Shannon FitzGerald, D. S. Gorsline
Pacific Section SEPM
... example of Inverse grading was never observed in any of the "sieve" lobes. The absence of some of these sedimentary structures may be due...
1989
Hydrogeology of the Markagunt Plateau, Southwestern Utah
Lawrence E. Spangler
Utah Geological Association
... during the snowmelt runoff period was about 1 week. Specific conductance and water temperature data from the spring show an inverse relation...
2010
EUR Assessment of Unconventional Assets Using Machine Learning and Distributed Computing Techniques
Zhenyu Guo, Chaohui Chen, Guohua Gao, Richard Cao, Ruijian Li, Chunlei Liu
Unconventional Resources Technology Conference (URTEC)
... simulated responses agreed with the observed historical production data. It is a complicated illconditioned inverse problem to which an infinite...
2017
Analytical Approach for Injectivity Profiling Through Warm-Back Analysis in Multilayer Reservoirs
Refaat Hashish, Mehdi Zeidouni
Unconventional Resources Technology Conference (URTEC)
... in real-space domain is obtained by using inverse Hankel transformation as follow. π π π·,π (π π· , π₯π‘ π· ) = β1 β0 {β π π π π,π π πΎ π...
2019
Lower Cretaceous gas shales in northeastern British Columbia, Part I: geological controls on methane sorption capacity
Gareth R. L. Chalmers, R. Marc Bustin
CSPG Bulletin
... types. Kerogen types I and II have higher TOC than types II/III and III kerogens (A) which creates an inverse trend (compared to coal) between TOC...
2008
Assisted History Matching using Bayesian Inference: Application to Multi-Well Simulation of a Huff-n-Puff Pilot Test in the Permian Basin
Esmail Eltahan, Reza Ganjdanesh, Wei Yu, Kamy Sepehrnoori, Hunter Drozd, Raymond Ambrose,
Unconventional Resources Technology Conference (URTEC)
... large number of iterations (in the order of hundreds of thousands or millions of iterations for high-dimension inverse problems). For each iteration...
2020
A Mechanistic Mixing Model for Miscible Gas Injection in Tight Oil Reservoirs
Sofiane Haythem Achour, Ryosuke Okuno
Unconventional Resources Technology Conference (URTEC)
...ix, of which the diagonal elements contain the inverse of the fugacity coefficients and pressure. The ππ matrix is defined as βNc xk /π·π·e + 1/π·π·e : i =...
2020
Grain-Size Statistics I: Evaluation of the Folk and Ward Graphic Measures
Davis Swan, John J. Clague, John L. Luternauer
Journal of Sedimentary Research (SEPM)
..., and Friedman: Jour. Sed. Petrology, v. 38, p. 238-240. STRECOK, A. J., 1968, On the calculation of the inverse of the error function: Mathematics of Computation...
1978
Origin, Sedimentary Features, and Significance of Low-Angle Eolian "Sand Sheet" Deposits, Great Sand Dunes National Monument and Vicinity, Colorado
Steven G. Fryberger, Thomas S. Ahlbrandt, Sarah Andrews
Journal of Sedimentary Research (SEPM)
... laminated layers resulting from adjacent grainfall deposition; (8) sets of normal- and inverse-graded laminae 1- to 4-mm-thick; (9) discontinuous thin 1...
1979
Delineation of the Reservoir by Seismic Methods: Chapter 3
Roberto Sarmiento
AAPG Special Volumes
... inverse, while the phase spectrum is added to its negative. The transform of the new spectra produces a zero phase compressed wavelet. Fig. 1...
1989
Sedimentology of a Late Pleistocene Submarine-Moraine Complex, County Down, Northern Ireland
A. Marshall McCabe, George F. Dardis, Patricia M. Hanvey
Journal of Sedimentary Research (SEPM)
... through a glacier and till genesis: Sedimentology, v. 25, p. 773-799. BROSTER, B. E., DREIMANIS, A., AND HICOCK, S. R., 1980, Inverse grading...
1984
An Experimental Study of Subaqueous Slipface Deposition
Ralph E. Hunter, Gary Kocurek
Journal of Sedimentary Research (SEPM)
.... E., 1982, Bedform climbing in theory and nature: Sedimentology, v. 29, p. 121-138. SALLENGER, A. H., JR., 1979, Inverse grading and hydraulic...
1986
Relation of Deformational Fractures in Sedimentary Rocks to Regional and Local Structure
John F. Harris , Garvin L. Taylor , Jack L. Walper
AAPG Bulletin
... of the similar 10-foot dolomite bed "B". Therefore, the ratio of fracture density in the two similar dolomite beds is in inverse proportion...
1960
Stratigraphic Velocity Interpretation: National Petroleum Reserve--Alaska: Chapter 12
E. W. Peikert
AAPG Special Volumes
... also be used for migration, and time-depth conversion, as well as for determinat on of the low frequency component for inverse model studies. Well data...
1985
Synthetic Seismograms from Vibracores: A Case Study in Correlating the Late Quaternary Seismic Stratigraphy of the New Jersey Inner Continental Shelf
Dominic Esker , Robert E. Sheridan , Gall M. Ashley , Jeffrey S. Waldner , David W. Hall
Journal of Sedimentary Research (SEPM)
..., and depositional sequence systems tracts. B) Bulk density and C) compressional wave velocity vs. depth. Velocity is plotted as the inverse transit time, in Β΅s/ft...
1996
Miocene Deep-marine Hyperpycnal Channel Levee Complexes, Tierra Del Fuego, Argentina: Facies Associations and Architectural Elements
Juan Jose Ponce, Noelia B. Carmona
AAPG Special Volumes
...) sedimentary structures without rheologic boundaries, with variable textural ranges, recurrence of inverse-to-normal grading, multiple internal...
2011
Construction and Analysis of Three-Dimensional Seismic Porosity Inversion Models
Hongliu Zeng
AAPG Special Volumes
... of the nonuniqueness of inverse problems. Geophysicists tend to concentrate more on improving optimization algorithms. Vigorous model testing indicates...
2012
Evaluation of Boron as a Paleosalinity Indicator and its Application to Offshore Prospects
C. T. Walker
AAPG Bulletin
... the K2O in a clay fraction is held in illite, the dilutent effect of organic matter must lead to inverse correlation between organic carbon and K2O...
1968
Distributary-Mouth Bar Development and Role of Submarine Landslides in Delta Growth, South Pass, Mississippi Delta
John F. Lindsay , David B. Prior , James M. Coleman
AAPG Bulletin
... regular short-term growth patterns. Gross erosion in the same time period shows a strongly similar, though less symmetric, inverse distribution...
1984
Yield Per Effort for Additions to Crude Oil Reserves in the Lower 48 United States, 1946-1989: Geologic Note (1)
CUTLER J. CLEVELAND and V. M. PENDLETON
AAPG Bulletin
... of prospects drilled declines as the drilling rate increases, which lowers YPE. The inverse relation between effort and YPE exists in exploration...
1992