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The AAPG/Datapages Combined Publications Database
Showing 43,769 Results. Searched 200,357 documents.
The Nature and Classification of Organic-Associated Pores (OAP) Through Comparative Study on Marine, Transitional, and Continental Shales in Typical Areas, China; #41936 (2016)
Chao Yang, Jinchuan Zhang
Search and Discovery.com
... Marine Tarim Basin ∈1 Niutitang a Ordos North Bohai Bay basin China Basin Basin b Qiang-tang Basin area areas Sichuan Basin Paleozoic marine...
2016
Analysis of global navigation satellite system data along the Southern Gas Corridor and estimate of the expected displacements
Giuliana Rossi, Riccardo Caputo, David Zuliani, Paolo Fabris, Massimiliano Maggini, and Panagiotis Karvelis
Environmental Geosciences (DEG)
... (colored arrows) relative to a fixed Eurasia frame (simplified from Pérouse et al., 2012) in the broader area crossed by the investigated sector...
2020
Distinguishing Depositional Setting For Sandy Deposits In Coastal Landscapes Using Grain Shape
Jordan Blair Reglin Eamer,, Dan Hirsh Shugar,,† Ian James Walker,,‡ Olav B. Lian, Christina M. Neudorf
Journal of Sedimentary Research (SEPM)
... in that a value of one would represent a circle. Roundness, however, measures area relative to a fitted ellipse, so it ignores irregular borders...
2017
The Three Elements of Structural Geology, #41849 (2017).
Terry Engelder
Search and Discovery.com
... clastic flux rests on carbonates (vertical white arrows) accumulated during periods of relative quiescence on a passive margin. The three tectonic...
2017
An Alternative BEM Modeling of Transient Pressure Response of Fractured Reservoir by Use of a Semi-Analytical Approach
Junlei Wang, Ailin Jia, Yunsheng Wei, Yadong Qi
Unconventional Resources Technology Conference (URTEC)
... the fracture as a degenerate ellipse. Although they provided the analytical solution, the solution was expressed in forms of a series of Mathieu functions...
2019
The effect of leaf orientation to sunlight on stomatal parameters of Quercus rubra around the Belgrade Lakes, central Maine
Rachel G. Daly, Robert A. Gastaldo
PALAIOS
... tests the hypothesis that SD and SI are not influenced by a leaf’s physical orientation relative to the sun during the growing season. Sun leaves...
2010
Laboratory Evaluation of a Real-Time Coaxial Cable Casing Imager for Wellbore Integrity Monitoring
Yurong Li, Runar Nygaard, Baokai Cheng, Wenge Zhu, Hai Xiao
Unconventional Resources Technology Conference (URTEC)
...) In differential form, the relative frequency shift is then, ∆𝑓 𝑁 𝑓𝑁 =− ∆𝑑 𝑑 − 1 ∆𝜀 𝑟 2 𝜀𝑟 (4) The equation above indicates that when...
2016
Brent Oil Field
S. E. Livera
AAPG Special Volumes
... quantities was first discovered here in September 1965, in West Sole, and was followed by a spa e of further discoveries that proved the area...
1990
Derivation of the Original Isotopic Composition of Permian Marine Cements
R. Kevin Given, Kyger C. Lohmann
Journal of Sedimentary Research (SEPM)
... to date these samples definitively; however, corr lation with shelf units does place constraints on their relative ages. This approach indicates...
1985
Tectonic Motion in Western USA From Satellite Laser Ranging: Chapter 23: Part IV. Satellite Geodesy
D. C. Christodoulidis , D. E. Smith, S. M. Klosko , J. W. Robbins , P. J. Dunn , M. H. Torrence
AAPG Special Volumes
.... 9249-9263. Clark, T. A., D. Gordon, W. E. Himwich, C. Ma, A. Mallama, and J. W. Ryan, 1987, Determination of relative site motions in the western United...
1991
Joint inversion of gravity and magnetic data using indicator functions
Ke Wang, Dikun Yang
International Meeting for Applied Geoscience and Energy (IMAGE)
...Such a constraint is too strict to be practical. So, if a softer constraint is desired, the linear set can be replaced by an ellipse with its m...
2022
Determining the Coal Bed Methane Distribution Based on Amplitude Variation With Offset (AVO) Analysis and Seismic Inversion: Case Study of Sumatra Basin
Padmadi Heru Wibawa, Abd. Haris, Suprajitno M.
Indonesian Petroleum Association
... with water, with methane is held in the coal by water pressure. Therefore, the existence of CBM is geologically found in the coal mining area. Currently...
2007
Spatial Variations in Magnetic Properties and Paleomagnetic Directions in the Duperow Formation, Williston Basin
Maria Cioppa
Saskatchewan Geological Society
... of the Williston Basin, relative to the Appalachian and Rocky Mountains permits the effect of orogenesis to be examined. In this study, preliminary...
2006
Advanced Imaging and Inversion for Oil Production Estimates in Unconventional Resource Plays
Greg M. Johnson, Paul Miller, David Phillips
Unconventional Resources Technology Conference (URTEC)
... economics of the program. For very little relative additional cost, 3D seismic technology can be effectively utilized to reduce the risk of drilling cost...
2013
Geologic Implications of Artifact Distribution on Early Man Sites on Pleistocene Shorelines Near Sevier Lake, Utah, and Massacre Lake, Nevada
Byron J. Sharp
Utah Geological Association
... of Bonneville Level overlooking Sevier Lake showing cleared-out area (35 & 25–ft ellipse) which does not match the random distribution of conglomerate debris...
1987
Learnings from the Gawler Craton airborne survey quality control
Matthew Hutchens
Petroleum Exploration Society of Australia (PESA)
... of the Gawler Craton. In total, 1.66 million line km were planned over an area of 295,000 km2, covering approximately 30% of the state of South Australia...
2019
Measures of Particle Roundness: A NOTE
Bernard Swan
Journal of Sedimentary Research (SEPM)
... a corner as "every such part of the outline of an area ... which has a radius of curvature equal to or less than the radius of curvature...
1974
Sieve Analysis as Tomography
William Menke
Journal of Sedimentary Research (SEPM)
... the size of quartz and mica grains (order of crystallization in the original rock, relative importance of chemical and mechanical weathering, and so...
1984
Investigating the Controls of Salt Movement Using Finite Element Modelling; #42185 (2018)
James Hamilton-Wright, Stephen Dee, Christina Von Nicolai, Howard Johnson
Search and Discovery.com
...-most zone defined by the famous Sigsbee Escarpment. • Traditional views suggest that the shape of the base depends on the relative rates...
2018
Possible Relationships Between Lineament Tectonics and the Dynamics of the Milky Way Galaxy
Peter J. Haman
Utah Geological Association
...’s position relative to the galactic centre with the rythmic expansions and contractions of the Earth. Steiner’s model predicts the change from...
1974
A Test of New Global Tectonics: Comparisons of Northeast Pacific and California Structures
Mason L. Hill
AAPG Bulletin
.... 1959-1982. Nason, R. D., and T. H. Rogers, 1968, Active faulting in the Hollister area, in W. R. Dickinson and A. Grantz, eds., Proceedings of conference...
1971
Ultrafast Hydraulic Fracturing Model for Optimizing Cube Development
Egor Dontsov, Andrew Bunger, Bradley Abell, Roberto Suarez-Rivera
Unconventional Resources Technology Conference (URTEC)
... with proppant to induce fractures that create a large surface area in contact with the reservoir (Economides and Nolte, 2000). At its inception, the technology...
2019
Non-opaque and Opaque Grain Fabrics of Siltstones in Red Peak Member (Triassic), Central Wyoming
M. Dane Picard, Douglas D. Beckmann
Journal of Sedimentary Research (SEPM)
.... The resulting figure approaches an ellipse, with the long axis parallel to the preferred grain orientation. The appearance of a semi-major axis normal...
1966
Carbonate Debris Flows, Cow Head Group, Western Newfoundland
Richard N. Hiscott, Noel P. James
Journal of Sedimentary Research (SEPM)
..., the direction of flow was at right angles to the elongation of the ellipse on contoured fabric diagrams like those in Figure 5. The Cow Head fabric ellipses ar...
1985
Opinion of Structural Mechanics of Central Basin Platform Area, West Texas
John W. Harrington
AAPG Bulletin
...Opinion of Structural Mechanics of Central Basin Platform Area, West Texas John W. Harrington 1963 2023 2038 47 12. (December) The folding...
1963