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The AAPG/Datapages Combined Publications Database
Showing 34,499 Results. Searched 200,691 documents.
Use of Gravity, Magnetic, and Electrical Methods in Stratigraphic-Trap Exploration: Geophysical Exploration Methods
L. L. Nettleton
AAPG Special Volumes
... contrast of 0.20 and for a thickness change from 200 ft (60 m) to zero across the pinchout, the expected negative gravity effect is approximately 0.4 mgal...
1972
Handbook on Static Pressures, by D. E. Powley, #60007 (2006).
Search and Discovery.com
2006
Acquisition and Interpretation of Horizontal Well Logs
Kyel Hodenfield, Bill Scanlan
Pacific Section of AAPG
... velocity bed near the wellbore, making the sonic porosity read too low compared with the neutron-density reading. Schlumberger observed this effect...
1992
Application of finite difference eikonal solver for traveltime computation in forward modeling and migration
Amir Mustaqim Majdi, Seyed Yaser Moussavi Alashloo, Nik Nur Anis Amalina Nik Mohd Hassan, Abdul Rahim Md Arshad, Abdul Halim Abdul Latiff
Geological Society of Malaysia (GSM)
... of incidence and its reflectivity to the surface. Furthermore, we noticed that shadow zones appear when the rays’ path are blocked by the high velocity...
2021
Pore-Scale Characterization of Shales Using Dendroidal Theoretical Pore-Network Model
Da Zheng, Yuliana Zapata, Zulfiquar A. Reza
Unconventional Resources Technology Conference (URTEC)
... corresponding to the adsorbed gas volume of pore body, disregarding the effect of pore throats. Since pore body construct most volume of void space...
2018
Sedimentology of the Rocktown Channel Sandstone, Upper Part of the Dakota Formation (Cretaceous), Central Kansas
Charles T. Siemers
Journal of Sedimentary Research (SEPM)
... a transgressive, marginal-marine deltaic complex. The sandstone body can be divided into two major subfacies, grading within 50 km from a highly sinuous...
1976
Equilibrium of Form and Forces in Tidal Basins of Coast of Texas and Louisiana
W. Armstrong Price
AAPG Bulletin
... of basin planation. The winds of the coast of Texas, on the average for the year, have as high a velocity as on any coast of North America, according...
1947
Phase-encoded waveform inversion for multiples
Yike Liu, Bin He, Xiao-Bi Xie, Yingcai Zheng
International Meeting for Applied Geoscience and Energy (IMAGE)
... multiple because it does not involve any free surface reflection. When using equation 1 for velocity updating, the effect of multiples has been included...
2022
Identification of Ancient Storm Events in Buried Gulf Coast Sediments
Wayne C. Isphording , Gregory W. Isphording
GCAGS Transactions
... for centuries. The high velocity winds, tides, and storm surges attendant with the storms do this by generation of strong submarine currents that resuspend...
1991
ABSTRACT The Effect of Sediment Cohesion on Delta Morphology, #90104 (2010)
Edmonds Doug; Slingerland Rudy
Search and Discovery.com
...ABSTRACT The Effect of Sediment Cohesion on Delta Morphology, #90104 (2010) Edmonds Doug; Slingerland Rudy The Effect of Sediment Cohesion on Delta...
2010
The Commercial Application and Interpretation of the Borehole Gravimeter
James W. Bradley
Pacific Section of AAPG
... or fluid density can be calculated. At the top of Figure 1, is a slab which represents an infinite horizontally homogeneous lithology. The gravity effect...
1976
Exploration for Reservoir Quality Rock Bodies by Mapping and Simulation of Potentiometric Surface Anomalies
J. Toth, K. Rakhit
CSPG Bulletin
..., an elliptical rock body of high permeability gives rise to a pair of co-ordered negative and positive potentiometric anomalies centred on its...
1988
Hydrothermal Processes and Massive Sulfide Deposits on the Juan de Fuca Ridge and Other Northeast Pacific Spreading Axes
Randolph A. Koski, Steven D. Scott, Mark D. Hannington, John R. Delaney, Margaret K. Tivey
Circum Pacific Council Publications
... in the outer wall (Figure 5C). The tube was venting hot water and a black cloud of particulates at high velocity. The mineral assemblage of this black...
1987
The Tectonic Stress Field in Eastern Australia
S. Zhao, R. D. Müller
Petroleum Exploration Society of Australia (PESA)
.... To investigate the effect of the lateral heterogeneities in the lithosphere on local and regional stress fields , we construct a three dimensional fin...
2001
Geology and Mechanics of the Basin-Centered Gas Accumulation, Piceance Basin, Colorado, by Stephen Cumella and Jay Scheevel
Search and Discovery.com
N/A
Geology and Mechanics of the Basin-Centered Gas Accumulation, Piceance Basin, Colorado, by Stephen Cumella and Jay Scheevel; #90042 (2005)
Search and Discovery.com
2005
VII. Quantitative Stratigraphic Correlations
Norman S. Neidell
AAPG Special Volumes
... that as the thickness of the high velocity bed dropped below 1/8 of the dominant wavelength, the peak-to-trough separation of the reflection signature became...
1979
Results of a Gravity Survey in the Kuala Lumpur Area
C. A. Foss
Geological Society of Malaysia (GSM)
... positive local anomalies of up to 7 milligals are revealed, mostly over areas of known limestone Iwdrock. The larger local anomalies are matched...
1986
The Lytton Springs Oil Field, Caldwell County, Texas
D. M. Collingwood, R. E. Rettger
AAPG Bulletin
... is of high grade, having a gravity of about 38° Baume and a value of about two dollars per barrel at the well (March, 1926). The Lytton Springs oil...
1926
ASTROBLEMES IN THE WILLISTON BASIN
Henry B. Sawatzky
Saskatchewan Geological Society
.... Some of the sag is no doubt due to the replacement of high velocity Mississippian sediments in the crater by relatively low velocity fill...
1974
Hidden Structure Revealed by a Simple 3D Velocity Model - McAllen Ranch Field, Hidalgo County, Texas
Richard C. Bain
GCAGS Transactions
...% faster than the overlying or underlying units. The top and base of the high-velocity unit were correlated over a wide area using 3D seismic and well...
2010
Astroblemes in Williston Basin
H. B. Sawatzky
AAPG Bulletin
... of impact plus post-impact to Lower Blairmore solution. Some of the sag is no doubt the result of the replacement of high-velocity Mississippian rocks...
1975
Rock-Fluid Interaction Impact on Geomechanical and Acoustic Properties in Shale Reservoirs: Anisotropic Grain Contact Adhesion Model
Binh T. Bui, Azra N. Tutuncu
Unconventional Resources Technology Conference (URTEC)
... effective stress. This has been attributed to the closure of cracks in the rock body. The net effect of increasing effective stress is an increase in velocity...
2014
Velocity-depth trends in Mesozoic and Cenozoic sediments from the Norwegian Shelf
Vidar Storvoll, Knut Bjrlykke, Nazmul H. Mondol
AAPG Bulletin
... compaction. Low velocities in source rocks are mainly attributed to the relatively soft kerogen and resulting velocity anisotropy. The high velocity...
2005
Mesozoic-Cenozoic Paleogeography of the Circum-Pacific Region
George W. Moore
Circum Pacific Council Publications
... tighten by more than 1,000 km to create the high Himalaya and to open Lake Baikal. At the Cretaceous-Tertiary boundary (66 Ma), Wrangellia, which had...
1990