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The AAPG/Datapages Combined Publications Database
Showing 47,077 Results. Searched 200,619 documents.
Solving Shear-Wave Splitting in PS Data Processing of 3D 4C OBN Seismic Survey Offshore Nunukan, Indonesia
Andreas Waluyo, David Tilling, Supriyono, Rio Sebayang, Agus Warmar Rasa
Indonesian Petroleum Association
... interface at an angle other than 90°, in general it generates reflected and refracted P-waves as well as reflected and refracted S-waves. The waves whose...
2020
Application of the Electron Microscope to the Study of Particle Orientation and Fissility in Shale
Mack Gipson, Jr.
Journal of Sedimentary Research (SEPM)
... but most of them appear to be based on little more than speculation. One common theory holds that fissility is caused by preferred horizontal orientation...
1965
Deformation Structures in Siltstone Resulting from the Migration of an Upper Devonian Aeolian Dune
Brian G. Jones
Journal of Sedimentary Research (SEPM)
... very fine-grained sandy laminae, alternating with thicker red-brown siltstone laminae. These laminae dip towards the centre of the lens at an angle...
1972
Rock Physics Inversion: A Montney Case Study, #41295 (2014)
James Johnson, Lisa Holmstrom, Satwant Diocee, Rob Tilson, Sean Johnson
Search and Discovery.com
... simultaneously on multiple angle stacks in order to accurately derive elastic rock property volumes such as acoustic impedance, Vp/Vs ratio...
2014
Sedimentological Aspects of the Temburong and Belait Formations, Labuan (Offshore West Sabah, Malaysia)
Mazlan B. Hj. Madon
Geological Society of Malaysia (GSM)
... intercalated with shale. Syndepositional deformational structures are a common feature of the shallow marine deposits in both the Temburong and the Belait...
1997
Shelf-Slope Break Sedimentation and Erosion during Deposition of the Claiborne Group in Colorado and Wharton Counties, Texas
Robert A. Hull
GCAGS Transactions
..., sediment was being deposited downdip beyond the shelf-edge. Slumping along the over-steepened shelf margin was common during Claiborne deposition...
1995
Structural Analysis of Fractures in Cores from Saticoy Field, Ventura County, California
M. Friedman
AAPG Bulletin
... and are bounded on the southeast by the Oak Ridge high-angle reverse fault (see Jennings and Troxel, 1954, p. 28-29, for generalized maps and cross sections...
1969
Cretaceous Strata of the Ute Mountains Area of Southwestern Colorado
F.N. Houser, E.B. Ekren
Rocky Mountain Association of Geologists
... common in the southern part of the area than in the northern part. In many of the southern areas of outcrop the Burro Canyon is entirely mudstone. Just...
1959
The Sedimentology and Alluvial Architecture of a Large Braid Bar, Rio Parana, Argentina
Gregory H. Sambrook Smith, Philip J. Ashworth, James L. Best, Ian A. Lunt, Oscar Orfeo, Daniel R. Parsons
Journal of Sedimentary Research (SEPM)
... of dunes, with the thickness of the cross-strata decreasing towards the bar surface. The second significant facies (~ 15%) is high-angle (generally...
2009
Determination of Velocity Model by Using NIP-Wave Tomographic Inversion: Application to Synthetic and Real Data
A. Hendriyana, R. Sule, Y. Akbar, L.A. Poerwaka, T.A. Sanny, Sardjito, Waluyo, Adriansyah
Indonesian Petroleum Association
... extracted from pre-stack seismic data by using Common-Reflection-Surface (CRS) stack (Mann et al., 1999). wavefront focus at zero traveltime when...
2009
Gold Hill, Utah: Polyphase, Polymetallic Mineralization in a Transverse Zone
James P. Robinson
Utah Geological Association
... and Miocene. These included Mesozoic folding, thrust faulting and extensional faulting; Late Mesozoic-Early Tertiary strike-slip and low-angle normal...
2006
Distinctions and Uses of Stratification Types in the Interpretation of Eolian Sand
Gary Kocurek , Robert H. Dott, Jr.
Journal of Sedimentary Research (SEPM)
.... 319-357. BREED, C. S., GROLIER, M. J., AND MCCAULEY, J. F., 1979, Morphology and distribution of common "sand" dunes on Mars: comparison with the Earth...
1981
Structural Geology of the Buffalo Fork Area, Northwestern Wyoming, and Its Relation to the Regional Tectonic Setting
C. A. Bengtson
Wyoming Geological Association
..., or high-angle faults, or both. They note that in most examples the greatest structural uplift occurs at the common corner of the two steep sides...
1956
Investigating Effects of Adding Surfactant to Cement Spacer on Mud Removal Performance and Cement Bond with Formation An Experimental Study
Ahmed GH Mansour, Talal Gamadi, Hossein Emadibaladehi, Otman Algadi, Sarkis Kakadjian
Unconventional Resources Technology Conference (URTEC)
... did not study the impact of the surfactants by measuring the wettability change (contact angle), but even those who did, used only the goniometer method...
2021
An Experimental Study of Subaqueous Slipface Deposition
Ralph E. Hunter, Gary Kocurek
Journal of Sedimentary Research (SEPM)
... produced during the gradual steepening of an initially low-angle lee slope. The characteristics held in common by both types of cross-strata include...
1986
Quantitative structural analysis using remote sensing data: Kurdistan, northeast Iraq
Daniel Reif, Bernhard Grasemann, Robert H. Faber
AAPG Bulletin
..., dip angle and dip direction) of finite planar geologic structure from digital elevation models (DEMs). The orientations of planar data (e.g....
2011
Chapter 2: Processes of Eolian Sand Transport and Deposition
C. J. Schenk
Rocky Mountain Section (SEPM)
..., Ahlbrandt, T.S., and Andrews, S., 1979, Origin, sedimentary features, and significance of low-angle “sand-sheet” deposits, Great Sand Dunes National...
1990
Geology of the Brady Unit, Sweetwater County, Wyoming
William G. Brock, Jerry Nicolaysen
Rocky Mountain Association of Geologists
... is 1 4 milli- darcies. Bedding may be massive, high angle cross stratified, horizontally laminated, ripple laminated, or mottled as -if bioturbated...
1975
Morphology and Hydraulic Significance of Climbing Ripples with Superimposed Micro-Ripple-Drift Cross-lamination in Lower Quaternary Lake Silts, Nebraska
K. O. Stanley
Journal of Sedimentary Research (SEPM)
... transported and deposited froth bedload and suspension. The angle of climbing displayed by the larger ripples is defined by the thickness of sets...
1974
Trishear: A Review of Kinematics, Mechanics, and Applications
Stuart Hardy, Richard W. Allmendinger
AAPG Special Volumes
... is incompressible. Despite these modeling efforts, the significance of the trishear apical angle remains elusive. Trishear has been applied to a variety of real...
2011
Combination of Seismic Velocity Gradient and Sonic Gradient Variation as a Hydrocarbon Indicator: A Case Study in Clastic Reservoirs in South Sumatra
Iswani Waryono, Wahyu Triyoso
Indonesian Petroleum Association
.... The latest analytical method developed for DHI identification is Velocity Variation with Offset (VVO) or Angle (VVA) to identify gas clastic reservoirs within...
2012
Improved subsalt imaging in the Eastern Mediterranean Sea with converted wave attenuation
Monica Hartmann, Jana Caskey, Benjamin Cole, James McLeman, Tom Rayment, Ares Ouzounis
International Meeting for Applied Geoscience and Energy (IMAGE)
... as S-waves; beyond the Pwave critical angle most energy is transmitted to S-waves. At the base of salt both P and S-waves are reflected toward the surface...
2024
Saving Millions USD by Knowing Strength and Weakness of Various Wellhead Choke Valves for Sandy Wells
Atria Jarot Herwibowo, Sulistiyo, Armon, Humisar Alprialdus Sinaga
Indonesian Petroleum Association
...: adjustable choke with plug needle for throttling device and seating area for shut off. Common usage for quick open characteristic valve. c. MOV or Disc...
2018
Successful Novel Fit-for-Purpose Strategy for Drilling Shallow Horizontal Wells
Raka Cahya Pratama, Dony Gumala Putra
Indonesian Petroleum Association
.... The well is drilled to 90 deg angle near the heel and then the angle is increased beyond 90 degrees in the lateral section for a “toeup” design at TD...
2018
Structural Problems Pertaining to Petroleum Exploration in Wyoming
D. L. Blackstone Jr.
Tulsa Geological Society
...-angle faults on some of which the lateral displacement is in excess of 35 miles. Wyoming contains the surface traces of the Darby and the Absaroka...
1954