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The AAPG/Datapages Combined Publications Database
Showing 772 Results. Searched 195,689 documents.
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)
...----------------------- the number of synodic months per year. As one goes backward in time, one finds that the Moon was closer to the Earth and all its periods were...
1999
The Identification and Interpretation of Reptile Ichnofossils in Paleosols Through Modern Studies
Daniel I. Hembree, Stephen T. Hasiotis
Journal of Sedimentary Research (SEPM)
... skull, a modified snout, and complex musculature that allows forward and backward movement within tunnels (Gans 1974). The skulls of many species...
2006
Subsurface Structure of the Eastern Edge of the Zagros Basin as Inferred from Gravity and Satellite Data
Mohamed N. Bushara
AAPG Bulletin
... to -160 mGal over the suture zone between the Arabian margin and central Iran crustal blocks. The second feature is marked by a backward-L-shaped pair...
1995
Rift Border System: The Interplay Between Tectonics and Sedimentation in the Reconcavo Basin, Northeastern Brazil
Luciano P. Magnavita, Hercules T. F. da Silva
AAPG Bulletin
..., 1988; Frostick and Reid, 1989). Continued rise in lake level produces marked aggradational and backward-stepping facies, resulting in fining-upward...
1995
Interpreting shoreline sands using borehole images: A case study of the Cretaceous Ferron Sandstone Member in Utah
Chunming Xu
AAPG Bulletin
.... The thick Kf-B shoreface sandstones in the BHI 1 well (close-up image in Figure 10) consist of three backward-stepping parasequences and probably pinch...
2007
Deep compressed learning for 3D seismic inversion
Maayan Gelboim, Amir Adler, Yen Sun, Mauricio Araya-Polo
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Therefore, the forward-pass employs the binarization function, whereas the backward-pass utilizes the hard-sigmoid function σH (x), defined as follows: σH...
2023
Earthquakes in the San Andreas Fault Zone, Maricopa to Elizabeth Lake
Gordon B. Oakeshott
Pacific Section SEPM
..., SEPM (Society for Sedimentary Geology) great Fort Tejon earthquake took place. The best we can do is count backward from a jeweler's clock which...
1964
GIS and GPS for Earth Scientists
Joseph Kerski
PTTC
... drawing F9 9.1,9.2 Zoom in and out Roll the mouse wheel backward and forward. Hold down Ctrl for a finer zoom. To switch direction of the mouse roll...
2007
Concepts and Methods of Uranium Exploration1
R. I. Rackley, P. N. Shockey, M. P. Dahill
Earth Science Bulletin (WGA)
... roll produced by the permeability restriction caused by the shale zone immediately ahead. The upper limb of the subsidiary roll extends backward...
1968
Depositional Environments and History of the Winnipeg Group (Ordovician), Williston Basin, North Dakota
Jonathan B. Ellingson, Richard D. LeFever
Williston Basin Symposium
...: North Dakota Geological Survey Bulletin 12, 31 p. Laird, W M., 1956, The Williston Basin - a backward look with a view to the future: in First...
1995
The Oil Fields of Russia: Chapter 6 - Well Casing
Arthur Beeby Thompson
Other Technical
... are then trans ferred to the bending rolls, which are generally power-driven, and arranged with gearing to give them a backward-and-forward motion...
1908
Tertiary Basins of Southeast Asia*
Richard W. Murphy
Southeast Asia Petroleum Exploration Society (SEAPEX)
... constant additions of thick deformed masses of sediment from the oceanward side. As these wedges rotate upward and backward through the addition of new...
1975
The Public Service Opportunity of the Oil Geologist
George Otis Smith
AAPG Bulletin
... records of the past--one who is ever looking backward; but you oil geologists, on the contrary, deal largely in futures, and as you look forward you, like...
1920
Community Development in Small-Scale Business to Improve the Company Image and Secure the Company Operation
Firsta Jusra Iskandar
Indonesian Petroleum Association
... development in terms of employment generation, revenue to local government unit, backward and forward linkages, and creation of non-farm activities...
2005
Nature and Origin of Paradox Basin Salt Structures
Wm. Lee Stokes
Utah Geological Association
... is that of Kelly (1956) who has suggested that the collapse may have been aided by pressure of overlying Cretaceous beds which caused a backward flow of salt...
1956
Geologic Framework and Petroleum Potential of the East China Sea
Liu Guangding
Circum Pacific Council Publications
... investigations of the evolution, lithologic facies, and paleogeography of Yangtze River deltaic sediments backward in time. The third avenue would require...
1989
Data selection for velocity model estimation using a circular shot OBN survey
Felipe T. Costa, Sergio L. E. F. da Silva, Ammir A. Karsou, Felipe Capuzzo, Roger M. Moreira, Jorge Lopez, Marco Cetale
International Meeting for Applied Geoscience and Energy (IMAGE)
... and nodes positions in the seabed (Trinh et al., 2017; da Silva et al., 2023). The forward and backward wavefield propagation (Equations 1 and 4, respectively...
2023
Statistical Process Control for Early Detection of Progressive Cavity Pump Failures in Vertical Unconventional Gas Wells
Suren Indrajith Rathnayake, Mahshid Firouzi
Unconventional Resources Technology Conference (URTEC)
..., water flowrates, and wellhead pressure. The results show promise, allowing detection and prediction of more than 90% of the PCP failure events...
2021
Regional Stratigraphic Analysis of a Pennsylvanian Carbonate Shelf and Margin in Kansas
W. Lynn Watney, Ricardo A. Olea, John C. Davis
Kansas Geological Society
... and offlap and forward- and backward-stepping stratal geometries are noted. Reliability of correlations was computed. Uncorrelated intervals result...
1999
Early Texas Oilfield Photographers
Jeff Spencer
Petroleum History Institute
... PHOTOGRAPHERS – Spencer essary to write backward way” (Wilson 1899). Loden apparently often forgot to flip his “d”! The earliest dated Loden oilfield...
2014
Parametric analysis of CO2 geologic sequestration in closed volumes
Srikanta Mishra, Yagna Deepika Oruganti, and Joel Sminchak
Environmental Geosciences (DEG)
..., curvilinear boundary fitted) and a backward-Euler temporal discretization (i.e., fully implicit). The nonlinearities in the resulting algebraic...
2014
Crisis by Consent
Michel T. Halbouty
Oklahoma City Geological Society
... anywhere else on earth. It would be political football, eventually run by dictators. If that ever happens, the American public will be faced with a backward...
1976
Formation Evaluation of Type-1 Fractured Basement Rocks Using Borehole Data
Adriaan A. Bal, Javier Franquet, Stephen Dymmock, Robert Maddock, Glen Palamountain, Ali Baradi, Dinah Pantic, Fermín Fernández-Ibáñez
Indonesian Petroleum Association
... of the well. Forward and backward modeling shows that the Stoneley permeability profile errors due to borehole irregularities are compensated...
2009
Theoretical Errors Lead to Practical Errors
P. Ya. Antropov
Petroleum Geology: A Digest of Russian Literature
...–we will be frank up to the very end–by very vulgar epithets. How much time was lost in the discovery of gas fields and how we were backward...
1961
DEPOSITIONAL ENVIRONMENTS, PALEOECOLOGY, AND BIOSTRATIGRAPHY OF ARIKAREEAN BOZEMAN GROUP STRATA WEST OF THE CONTINENTAL DIVIDE IN MONTANA
Donald L. Rasmussen
Montana Geological Society
..., both probably the result of bloating shortly after death of the gopher. The scapulae were slightly shifted backward, and the right...
1989