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The AAPG/Datapages Combined Publications Database
Showing 47,084 Results. Searched 200,685 documents.
A Simple Guide to Seismic Inversion
Ashley Francis
GEO ExPro Magazine
... different methods. A common one is simultaneous pre-stack inversion, a form of seismic inversion which inverts for several rock property parameters...
2013
Fault intersection and induced seismicity: The effects on the induced stress field and the dynamic rupture, and their implications
Jingming Ruan, Ranajit Ghose, Wim Mulder
International Meeting for Applied Geoscience and Energy (IMAGE)
... in a uniformly depleted reservoir. We observe that a smaller intersection angle increases the incremental Coulomb stress at the lower reservoir juxtaposition...
2023
Compaction of Lime Mud as a Cause of Secondary Structure
Ruth D. Terzaghi
Journal of Sedimentary Research (SEPM)
..., 1928), an inclination of 45° is rather common and dips of 30° to 38° may be observed over relatively wide areas. These high dips are puzzling where...
1940
Adhesion Structures
Gary Kocurek, Gordon Fielder
Journal of Sedimentary Research (SEPM)
..., in nature deviations from this ideal impact angle are common. In the experience of the senior author with natural adhesion ripples on Padre Island, south...
1982
Simulation of Proppant Transport in Field-Scale Curved Fractures
Zhuo Zhang, Shaowen Mao, Heqian Zhao, Kan Wu
Unconventional Resources Technology Conference (URTEC)
.... With the common application of vertical planar fracture models in existing studies, proppant transport behaviors in the curved fractures have not been fully...
2020
The Application of 2D Common-Offset Common-Reflection-Surface (CO CRS) Stack Method Towards Synthetic Data
Parapaty Halley, Rachmat Sule, Teuku Abdullah Sanny
Indonesian Petroleum Association
...The Application of 2D Common-Offset Common-Reflection-Surface (CO CRS) Stack Method Towards Synthetic Data Parapaty Halley, Rachmat Sule, Teuku...
2009
Folding Mechanisms in a Fault-propagation Fold Inferred from the Analysis of Unconformity Angles: The Sant Llorenc Growth Structure (Pyrenees, Spain)
J. L. Alonso, F. Colombo, O. Riba
AAPG Special Volumes
... deformation as a result of layer-parallel shear in underlying layers. This mechanism is recorded by flexural slip faults, which are common...
2011
Conglomerate, Emphasizing Fluvial and Alluvial Fan Environments
J. C. Harms, J. B. Southard, R. G. Walker
Special Publications of SEPM
... imbrication premany sections." Also, "low angle bedding in served fairly common, arising from migration of inclination is bars with low channelward...
1982
The Application of a Linear Increase of Velocity with Depth to Seismic Dip Migration
J. E. Stones
Oklahoma City Geological Society
... be computed. This is done by evaluating the formulas: where A = the emergence angle of the wave-front B = the dip angle of the reflection DT = Delta...
1958
Geophysical Lecture
E. R. Deutsch
CSPG Bulletin
... experience. Most of the second events which one is able to pick up and correlate are really wide-angle reflections. Before he can calculate the vertical...
1959
Abstract: The Art and Science in the Borehole Image Interpretation of Deepwater Gravity Flow Sediments
Chunming Xu
Houston Geological Society Bulletin
... of petrophysical integration are the two most common causes for poor geological interpretations. Figure 1. Different deformation and remobilization...
2011
Cross-stratification in San Bernard River, Texas, Point Bar Deposit
Donald W. Lane
Journal of Sedimentary Research (SEPM)
... migration, have been investigated in a point bar deposit of the San Bernard River, Texas. High-angle cross-strata with downstream dip components and low...
1963
A Program for Computing the True Thickness of Strata Measured in a Field Traverse or Drill-Hole: RESEARCH-METHOD PAPER
Jon K. Lindqvist
Journal of Sedimentary Research (SEPM)
..., 208 p. End_of_Record - Last_Page 672------- When producing stratigraphic sections from measurements oblique to bedding it has been common...
1982
Pleistocene Periglacial Eolian Deposits in Southwestern Alaska: Sedimentary Facies and Depositional Processes
Peter D. Lea
Journal of Sedimentary Research (SEPM)
... which exhibits subhorizontal stratification to low-angle (< 15°) cross stratification (Fig. 3) is common in all three lowlands. Three subfacies can...
1990
Incision of a Cadotte Member Paleovalley-System at Noel, British Columbia — Evidence of a Late Albian Sea-Level Fall
Brad J. R. Hayes
CSPG Special Publications
... below but finer than those above. Intervals of low-angle cross-laminated strata are common toward the base, but more heterogeneous bioturbated...
1988
Principles of Carbonate Sedimentation: Chapter 1
Wolfgang Schlager
AAPG Special Volumes
... of winter temperature rather than radiation.Throughout the Phanerozoic, this boundary lay at approximately 30° latitude. Nutrients: Contrary to common...
1992
Inner-Shelf to Lower-Shoreface Hummocky Sandstone Bodies with Evidence for Geostrophic Influenced Combined Flow, Lower Cretaceous, West Greenland
Helle H. Midtgaard
Journal of Sedimentary Research (SEPM)
...-lamination, and low-angle cross-stratification are closely interbedded within the sandstone. aminated mudstone beds (10-60 cm thick) separate...
1996
The Grayburg and Queen Formations (Permian) and the Associated Erosion Surface at the Shelf Margin Western Escarpment, Guadalupe Mountains, West Texas1
Evan K. Franseen
West Texas Geological Society
... was characterized by a reef facies with high angle (angle of repose) foreslope strata of the Goat Seep and Capitan formations (see Figs. 1, 2, and 5...
1988
Structures in the Moist, Cold-Climate Sand Dunes of Southwestern Wyoming
James R. Steidtmann
Wyoming Geological Association
... Stratification Inasmuch as angle-of-repose bedding is common in some modern eolian dune sands (McKee, 1966; Bigarella, et al., 1969), the lack of it is often...
1973
Seismic Imaging in Anisotropic Media. or... "A Better Way to Moveout and Migrate Long Offset Data"
Rolf Klotz, Martin Bayly, Sue Downie, Swee Leng
Indonesian Petroleum Association
... as an anisotropic medium. Many common types of anisotropic media can be approximated by sequences of isotropic layers with the seismic propagation...
2000
Internal Geometry and Origin of Vegetated Coastal Sand Dunes
Victor Goldsmith
Journal of Sedimentary Research (SEPM)
... that the high-angle dips form as pyramidal wind shadow dunes via slip-face accretion behind large vegetation hummocks, which results in the distinct...
1973
Abstract: AVO Crossplotting I: Processing and Calibration Considerations; #90171 (2013)
Heath Pelletier
Search and Discovery.com
... the same offset range. Another way of expressing this is: as time increases the angle of incidence range decreases. A common misunderstanding...
2013
Abstracts: S-wave Attenuation within the Weathering Layer of an Alberta Heavy Oil Field; #90173 (2015)
Kristof De Meersman
Search and Discovery.com
... property regarding refractions in general is that they reach the receivers at a common propagation angle (i.e. as a plane wave). This is true for receivers...
2015
What is Horizontal Resolution?
L. R. Denham, R. E. Sheriff
Indonesian Petroleum Association
... at a low angle, in the same way as we look for reflections in poor data. The separation between diffraction patterns is the information which gives...
1981
Evaluating Seal Capacity of Cap Rocks and Intraformational Barriers for CO2 Containment
Richard F. Daniel, John G. Kaldi
AAPG Special Volumes
...) (Robin, 2001). Wettability can be evaluated by several methods. The most common method is based on contact angle measurements of the immiscible phase (oil...
2009