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The AAPG/Datapages Combined Publications Database
Showing 1,247 Results. Searched 200,630 documents.
Biogeographic Units as Biostratigraphic Units
James W. Valentine
AAPG Bulletin
... geographical distribution of the taxon. Also, the summation of the horizontal ranges of a taxon throughout its existence is the range zone of the taxon...
1963
Association of Redeposited Salt Breccias and Potash Evaporites in the Lower Miocene of Stebnyk (Carpathian Foredeep, West Ukraine)
Tadeusz Marek Peryt , Volodymyr M. Kovalevich
Journal of Sedimentary Research (SEPM)
.... 251-255. SONNENFELD, P., 1992, Genesis of marine evaporites--a summation: Geologica Carpathica, v. 43, p. 259-274. SONNENFELD, P., 1993, Primary marine...
1997
Residual Sediment Transport Paths on a Tidal Sand Bank: A Comparison Between the Modified McLaren Model and Bedform Analysis
Veerle Vanwesenbeeck , Jean Lanckneus
Journal of Sedimentary Research (SEPM)
... the Kwintebank according to De Moor (1989). According to Lanckneus et al. (1992) the modified McLaren model using a two-dimensional analysis by vector summation...
2000
Geology of Jonah Field, Sublette County, Wyoming
D. P. DuBois, P. J. Wynne, T. M. Smagala, J. L. Johnson, K. D. Engler, B. C. McBride
AAPG Special Volumes
... 8.3 tcf. A summation of EUR values for 364 wells completed in the field prior to July 2002 yields a recoverable gas reserve estimate of 2.31 tcf...
2004
Adjustment of Electric Log Values for Preparation of Subsurface Facies Maps
David R. Matuszak
AAPG Bulletin
... percentage: The clean sandstone equivalence percentage is the summation of the log derived sand percentage content of all beds in the interval. Thus...
1965
Techniques for Automated Measurement of Floc Properties
Gwyn Lintern, Gilliane Sills
Journal of Sedimentary Research (SEPM)
..., as an example, shows a summation of the floc orientations for 10 random images in experiment cos 17. Matlab actually calculates orientations from −90° to +90...
2006
Trophic Group Analysis of Upper Cretaceous (Maestrichtian) Bivalve Assemblages from South Dakota
D. C. Rhoads , I. G. Speden , K. M. Waage
AAPG Bulletin
... a summation of the total unit. This lithofacies contains four distinctive assemblage zones (Speden, 1970). Two of these zones, if analyzed separately...
1972
Small-Scale Fracture Density in Asmari Formation of Southwest Iran and its Relation to Bed Thickness and Structural Setting
H. McQuillan
AAPG Bulletin
... influence of the Zagros orogeny. Fold formation results from the summation of small adjustments between limestone blocks with the greatest interblock...
1973
Thickness Changes in Sedimentary Layers During Compaction History; Methods for Quantitative Evaluation
Raymond Perrier , Jacques Quiblier
AAPG Bulletin
... of the stage will increase during deposition of successive slices and later decrease under load. Summation of Slice Thicknesses The thickness...
1974
Mg/Ca Ratio and Salinity: Two Controls over Crystallization of Dolomite
Robert L. Folk , Lynton S. Land
AAPG Bulletin
... waters. Without making a comprehensive review of such information, we present here a summation of the data, beginning with the classic (but overplayed...
1975
Sedimentology of Late Jurassic Barrier-Island Complex--Lower Sundance Formation of Black Hills
C. A. Rautman
AAPG Bulletin
... from Stone and Vondra (1972) not included in overall summation. End_Page 2280------------------------------ boundary being taken where sandstone...
1978
Patterns of Incidence of Oil Reserves in Niger Delta Basin
J. E. Ejedawe
AAPG Bulletin
... (about 20 to 75 km2); thus, each grid square encloses more than one oil field. Grid mesh points were assigned reserve values based on the summation...
1981
Continental Shelf Topography: Key to Understanding Distribution of Shelf Sand-Ridge Deposits from Cretaceous Western Interior Seaway
Roger M. Slatt
AAPG Bulletin
... of recycling (Fillon et al, 1978). Presented below is a summation of the important characteristics of individual banks and their sand ridges. Georges Bank...
1984
Determination of Paleoheat Flux from Vitrinite Reflectance Data
I. Lerche , R. F. Yarzab , C. G. St. C. Kendall
AAPG Bulletin
... (i) index and the measured VITTI (i) index; i.e., we wish to minimize: [EQUATION] where the summation is taken over all vitrinite samples in a well...
1984
Estimating Potential for Small Fields in Mature Petroleum Province
John C. Davis , Ted Chang
AAPG Bulletin
... v0; the summation extends over those size classes that exceed v0. In summary, we replace the observed field-size distribution by the observed...
1989
Fault Seal Analysis in the North Sea
Steven D. Knott
AAPG Bulletin
... Cretaceous-Tertiary inversion. The methodology employed in the fault displacement analysis is beyond the scope of this paper, but involves the summation...
1993
Thermal and Maturation Modeling of the Urengoy Field, West Siberian Basin: Some Special Considerations in Basin Modeling
Yurii Galushkin, Olga Simonenkova, and Nikolai Lopatin
AAPG Bulletin
... and Jaeger, 1959): (3) In this formula, DZfi is the thickness of the ith sublayer in the considered formation and the summation is Table...
1999
Reserves growth in a mature oil field: The Devonian Leduc Formation at Innisfail field, south-central Alberta, Canada
Stacy C. Atchley, Lawrence W. West, Jeff R. Sluggett
AAPG Bulletin
... al., 2001). Through comparative review of this literature, a fairly consistent history of composite accommodation change, i.e., the temporal summation...
2006
Pore-throat characterization in highly porous and permeable sandstones
Bassem S. Nabawy, Yves Geraud, Pierre Rochette, Nicolas Bur
AAPG Bulletin
..., the smaller the pore-throat radius invaded. The summation of the total invaded pore-space volume provides the porosity of the studied rock samples...
2009
The reserve-growth model of oil fields in the Bohai Bay basin, China
Chenglin Liu, Zhiqiang Wang, Changbo Che, Jie Zhu, Hulin Yang, and Zui Xu
AAPG Bulletin
... method, first, all singular oil fields are merged and the summation of proved recoverable reserves is calculated in light of the same first significant...
2014
Facies-independent reservoir characterization of the micropore-dominated Word field (Edwards Formation), Lavaca County, Texas
S. Van Simaeys, B. Rendall, F. J. Lucia, C. Kerans, and S. Fullmer
AAPG Bulletin
... texture and petrophysical characteristics. Instead of creating reservoir rock types by a summation of depositional textures and diagenetic processes, we...
2017
Investigation of permeability change in ultradeep coal seams using time-lapse pressure transient analysis: A pilot project in the Cooper Basin, Australia
Alireza Salmachi, Erik Dunlop, Mojtaba Rajabi, Zahra Yarmohammadtooski, and Steve Begg
AAPG Bulletin
... porosity and permeability, gas viscosity, and total compressibility at in situ conditions. Total compressibility of the system is the summation of formation...
2019
Comparison of gas, Klinkenberg, and liquid permeability of sandstone: Flow regime and pore size
Tobias Orlander, Harald Milsch, and Ida Lykke Fabricius
AAPG Bulletin
... , and the cumulated permeability k NMR,cum is defined as the summation of individual permeability increments (k NMR,i ) from the smallest pore size...
2021
Controls on facies variability and distribution during the Pennsylvanian glacial period from the lower Strawn Group, Fort Worth basin, Texas
Andrew K. Roberts, William A. Ambrose, Peter P. Flaig, Ronald J. Steel, and Cornel Olariu
AAPG Bulletin
... depositional environments. The grids created by the footage summation algorithm used the “highly connected features” gridding style, which generally...
2022
U.S. Natural Gas Flaring and Venting, Late 1800s and Onward: Determining a Magnitude of Historic Losses
Mary L. Barrett
Petroleum History Institute
... source of natural gas loss—direct casing-head gas field waste by venting and flaring. But the USBM waste summation included components that had nothing...
2020