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The AAPG/Datapages Combined Publications Database
Showing 5,756 Results. Searched 201,044 documents.
Mechanism of hydrocarbon accumulation and enrichment of tuffaceous tight oil with separate reservoir and source rock: A case study of tuff reservoir from the Permian Tiaohu Formation in the Santanghu Basin, northwest China
Jian Ma, Zhilong Huang, and Tianjun Li
AAPG Bulletin
... Canadian unconventional light oil plays: Canadian Unconventional Resources Conference, Calgary, Alberta, Canada, November 15–17, 2011, doi:10.2118/149005-MS...
2019
Secondary porosity generation in sandstones constrained by the fault movement, fluid flow, and mudstone–sandstone interactions, offshore Bohai Bay Basin, China
Huan Li, Hongtao Zhu, Xiaofeng Du, and Xianghua Yang
AAPG Bulletin
... (Olympus Corporation, Japan) to capture photos of each sample under both plane-polarized light and orthogonal light. The point-counting method...
2023
Geology and Neogene History of the Pacific Continental Margin of Baja California Sur, Mexico
William R. Normark, Jon E. Spencer, James C. Ingle Jr.
Circum Pacific Council Publications
... with a light-yellow mineral. 69-2 23°27.3 N 110°33.3'W 195 69-2 Very-fine-grained sandstone with yellow phosphatic m u d s t o n e matrix. S a n...
1987
Analytical Model for History Matching Drawdown & Buildup Cycles of Multi-Fractured Horizontal Wells Experiencing Multiple Operational Upsets
Bin Yuan, Zhenzihao Zhang, Christopher R. Clarkson, Samane Moghadam, Hamidreza Hamdi, Amin Ghanizadeh
Unconventional Resources Technology Conference (URTEC)
... of lowpermeability (unconventional) light oil and gas reservoirs in North America. Given the common use of MFHWs for exploiting unconventional reservoirs...
2019
Using Petrography and Geochemistry to Determine the Origin and Formation Mechanism of Calcitic Plant Molds; Rhizolith or Tufa?
Cynthia M. Liutkus
Journal of Sedimentary Research (SEPM)
... is labeled), and the Pilot Valley playa (the arcuate white and light blue region) lies immediately to the east (< 10 km from the state line). In this image...
2009
The East Coast Gas Market Explained: Analysis of the Gas Market Supply and Demand Dynamics
Joshua Stabler
Australian Petroleum Production & Exploration Association (APPEA) Journal
... fundamental changes. These include the: a) speed, quantum and location of the new consumption of the three Curtis Island LNG facilities (Curtis Island LNG...
2018
A Machine Learning Approach to Benchmarking: A New Perspective Utilizing Factor Contribution Analysis
Hamed Tabatabaie, Toby Burrough, Camilo Rodriguez Cadena
Unconventional Resources Technology Conference (URTEC)
.... It is an implementation of gradient boosted decision trees that has been optimized for speed and performance (Chen and Guestrin, 2016). Any machine learning...
2021
Sedimentary Facies of Bora Bora, Darwin’s Type Barrier Reef (Society Islands, South Pacific): The Unexpected Occurrence of Non-Skeletal Grains
Eberhard Gischler
Journal of Sedimentary Research (SEPM)
... correlation between grain size and sinking speed of particles in water; Muller 1967, p. 79–81). The fine fractions were subsequently inspected under...
2011
Mixed Geothermal and Shallow Meteoric Origin of Opal and Calcite Beds in Pliocene–Lower Pleistocene Axial–Fluvial Strata, Southern Rio Grande Rift, Rincon Hills, New Mexico, U.S.A.
Greg H. Mack, Matthew C. Jones, Neil J. Tabor, Frank C. Ramos, Sean R. Scott, James C. Witcher
Journal of Sedimentary Research (SEPM)
... diffractometer, using Cu-Kα radiation and a scanning speed of 1° 2θ per minute. Isotope Analyses 87Sr/86Sr Analyses.—Seventeen samples of opal and 15 samples...
2012
The Fidelity of Microstructural Drilling Predation Traces to Gastropod Radula Morphology: Paleoecological Applications
Carrie L. Tyler, James D. Schiffbauer
PALAIOS
... were extracted via dissection of ethyl alcohol–preserved specimens under a binocular reflected light microscope. Environmental Scanning Electron...
2012
Differential preservation of freshwater diatoms and mollusks in upper Holocene sediments: paleoenvironmental implications
Gabriela S. Hassan, Eleonor Tietze, Paula A. Cristini, Claudio G. De Francesco
PALAIOS
... transects using a Leica DM500 light microscope (LM) at 10003 magnification. Light micrographs were taken using a Leica ICC50 digital camera. For scanning...
2014
The First-Person Account of Walton Sumner: One Mans Experiences in Petroleum Exploration, 1928 1939
Ginny Kilander
Petroleum History Institute
... months. At the end of each month a report had to be prepared and sent by runner to the Miri office and on his return he brought mail and light supplies...
2023
Sand Liquefaction Induced By a Blast Test: New Insights On Source Layer and Grain-Size Segregation Mechanisms (Late Quaternary, Emilia, Italy)
Daniela Fontana, Sara Amoroso, Luca Minarelli, Marco Stefani
Journal of Sedimentary Research (SEPM)
... in cores along the high-speed rail (TAV): preliminary indications on the sedimentary evolution of the Modena plain: Alpine and Mediterranean Quaternary, v...
2019
Grain-Size Distribution and Depositional Environment of Whitemud Sandstones, Edmonton Formation (Upper Cretaceous) Alberta, Canada1
P. L. Binda, J. F. Lerbekmo
CSPG Bulletin
... ft of light-grey sandstones, dark mudstones and thin coal seams overlying conformably a marine shale, the Bearpaw Formation. The vertebrate (including...
1973
Omaha Pool and Mica-Perodotite Intrusives, Gallatin County, Illinois
R. M. English , R. M. Grogan
AAPG Special Volumes
... to gray and green in color. It is fine- to medium-grained, becoming coarser near the base of the formation. Light oil stains are present from...
1948
Sedimentology and Diagenesis of the Dinosaur Bones Exposed at Dinosaur Ridge along Alameda Parkway in the Morrison Formation (Upper Jurassic), Morrison, Colorado
John F. Hubert, Peter T. Panish
Rocky Mountain Association of Geologists
... a chart run at a scan speed of 0.5' per minute across the angular r:inge that inclucles these peaks located at about 51.6' and 53.2' two-thet...
2000
Origin of Dolomites in the Boat Harbour Formation, St. George Group, in Western Newfoundland, Canada: Implications for Porosity Development
K. Azmy, I. Knight, D. Lavoie, G. Chi
CSPG Bulletin
... 4 mg were microsampled from the cleaned slabs with a low-speed microdrill. For C- and O-isotope analyses, about 200 μg of powder sample was reacted...
2009
Tectonic Control of Lithologic Associations
E. C. Dapples , W. C. Krumbein , L. L. Sloss
AAPG Bulletin
... sediments may represent quiescent phases. The winnowing process in the more turbulent areas segregates the light particles from the coarser and heavier...
1948
Deep-Marine Origin of Equant Spar Cements in Bahama Escarpment Limestones
R. P. Freeman-Lynde, K. Fulker Whitley, K. C. Lohmann
Journal of Sedimentary Research (SEPM)
...) at a scanning speed of one-quarter degree 2 per minute. Peak shifts were converted to mole% Mg according to Goldsmith et al. (1955). However, Mg compositions...
1986
Styles of Reef Accretion Along a Steep, Shelf-Edge Reef, St. Croix, U.S. Virgin Islands
Dennis K. Hubbard, Randolph B. Burke, Ivan P. Gill
Journal of Sedimentary Research (SEPM)
... character (speed of penetration, location of voids, nature of the water circulation in the hole) were kept for each core and were used later to aid...
1986
Salt Tectonics and Pleistocene Stratigraphy on Continental Slope of Northern Gulf of Mexico
Peter Lehner
AAPG Bulletin
... records is controlled by the speed of the recording boat, which was normally 6 knots (6 nautical miles or 10 km per hour). A radiometric fix was obtained...
1969
Time-Stratigraphic Units and Petroleum Entrapment Models in Baltimore Canyon Basin of Atlantic Continental Margin Geosynclines
John C. Kraft , Robert E. Sheridan , Marilyn Maisano
AAPG Bulletin
... correlation and lithologies in the Esso Hatteras Light No. 1 well on the outer banks of North Carolina. The Esso Hatteras Light No. 1 well and the Maryland...
1971
Cable Tool Drilling in the Appalachian Area - New Tchniques, Equipment Point to Changes in Cable Tool Field
R.B. Anderson
Appalachian Geological Society
... SOCIETY that the bailer does not trip until it reaches bottom. To check the proper running speed, the cement dump bailer is filled with water first...
1949
Extended Abstract: A Steady-State Approach for Surge and Swab Pressures Calculation of Herschel-Buckley Fluids in Directional/Horizontal Wells
Wenlong Jiang, Honghai Fan, Rongyi Ji, Deqiang Tian, Wen Zixiang, Yuan Gao, Rui Dai, Fuxin Han, Sun Yizhen
Africa Energy and Technology Conference, 2016
.... Generally, pressure surge strongly depends on drillstring tripping speed, wellbore geometry, flow regime, fluid rheology, and whether the drillstring...
2016
Gravity for the Geologist
John L. Bible
Bulletin of South Texas Geological Society
..., a reasonable structural correlation can be made from the gravity. Through the use of modern high-speed electronic computers it is now possible to economically...
1964