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The AAPG/Datapages Combined Publications Database
Showing 1,685 Results. Searched 195,372 documents.
Lunar Helium-3 Energy Resources
Harrison H. Schmitt
AAPG Special Volumes
... for continuous satellite maneuvering and shortened transit times for deep space craft. Crews headed for Mars, for example, will appreciate and benefit...
2013
Thickness of Removed Sedimentary Rocks, Paleopore Pressure, and Paleotemperature, Southwestern Part of Western Canada Basin
Kinji Magara
AAPG Bulletin
..., such as the shale transit-time values recorded by sonic logs. The pore pressures in shales also can be calculated using compaction information. Integration...
1976
Abstract: There Are No Gaps in the Stratigraphic Record, by T. A. Cross; #91012 (1992).
Search and Discovery.com
1992
Using Well Logs for Coal Location and Evaluations: ABSTRACT
R. P. Alger
AAPG Bulletin
... logs. They exhibit very large acoustic interval transit End_Page 904------------------------------ times, very low densities and very high neutron...
1974
An Empirical Approach to Evaluating Regional Seal Capacity and Hydrocarbon Migration Characteristics in South-Eastern Australia
G. W. O'Brien, D. Heggie, G. Lawrence, A. Williams
Petroleum Exploration Society of Australia (PESA)
... and Associates Satellite Mapping, Crockham Park, Eden bridge, Kent TN8 6SR, UK. Over the last 13 years, the Australian Geological Survey Organisation...
2001
Shelf-Transiting Shorelines, Sequence Generation, and Shelf-Margin Accretion, by Ron Steel, #40143 (2005)
Search and Discovery.com
2005
High Definition Erosional Map from RecôNcavo Basin, Brazil A New Approach Based from Old Concepts; #40533 (2010)
Luiz Felipe C. Coutinho, author
Search and Discovery.com
... in a different way, a consortium of sonic log and vitrinite reflectance methods. The equation that describes the behaviour of the transit time with depth...
2010
A Practical Model for Organic Richness from Porosity and Resistivity Logs
Q. R. PASSEY , S. CREANEY , J. B. KULLA , F. J. MORETTI , and J. D. STROUD
AAPG Bulletin
... rocks has been developed using well logs. The method employs the overlaying of a properly scaled porosity log (generally the sonic transit time curve...
1990
Transformation of Resistivity to Pseudovelocity Logs
Albert J. Rudman , Joseph F. Whaley , Robert F. Blakely , Maurice E. Biggs
AAPG Bulletin
... resistivity logs. In this paper a pseudovelocity log refers to sei mic velocities (or transit times) synthetically calculated by computer from resistivity data...
1975
Analysis of Sonic Well Logs Applied to Erosion Estimates in the Bighorn Basin, Wyoming
Henry P. Heasler , Natalya A. Kharitonova
AAPG Bulletin
.... (May) An improved exponential model of sonic transit time data as a function of depth takes into account the physical range of rock sonic velocities...
1996
Transformation of Resistivity to Pseudovelocity Logs: GEOLOGIC NOTE
Albert J. Rudman , Joseph F. Whaley , Robert F. Blakely , Maurice E. Biggs
AAPG Bulletin
.... Given the resistivity value R, the transit time TT can be computed if the empirical constants A, B, and C are known. Although two distinct...
1976
Abstract: Mapping Stratigraphic Traps with Seislogs, by R. O. Lindseth; #90968 (1977).
Search and Discovery.com
1977
ABSTRACT: Methods for Comparing and Correlating Surface Outcrop Data to Subsurface Geophysical Logs, by Steven Vealey; #91002 (1990).
Search and Discovery.com
1990
ABSTRACT: Improved Reservoir Characterization and Delineation Using Acoustic Measurements on Cores, by Austin Ajufo, Dennis Chapman, Jerry Kier, and Ken Guest; #91019 (1996)
Search and Discovery.com
1996
The impact of organic pores on estimation of overpressure generated by gas generation in organic-rich shale: Example from Devonian Duvernay Shale, Western Canada Sedimentary Basin
Pengwei Wang, Zhuoheng Chen, Kezhen Hu, and Chen Xiao
AAPG Bulletin
... into the expression of sonic transit time and determining overpressure with organic-pore–corrected sonic readings. The proposed organic porosity...
2023
Progradation Rates of Marine Deltas Influenced by Longshore Currents - Numerical Modeling; #50233 (2009)
Przemyslaw Predki
Search and Discovery.com
... transit times were modeled for eight modern river deltas (Ebro, Kizil Irmak, Nile, Rio Grande, Brazos, Colorado, Krishna and Orange) based on CERC formula...
2009
Water
K. O. Emery, Elazar Uchupi
AAPG Special Volumes
... Stream instead of avoiding it. As an aid to navigation, Franklin (1786)--following a sketch by a Nantucket sea captain, Timothy Folger--prepared...
1972
Use of Airplane Photographs in Geologic Mapping
Walter A. English
AAPG Bulletin
... will see more elaborate navigation equipment in common use, but at present there is considerable disagreement as to whether additional apparatus...
1930
Initial Results from a Test of the NASA EAARL Lidar in the Tampa Bay Region
Brock, John C., Wright, C. Wayne, Nayegandhi, Amar, Clayton, Tonya, Hansen, Mark, Longenecker, John, Gesch, Dean, and Crane, Michael
GCAGS Transactions
... receiver are serviced by a dedicated Linux-based onboard PC data system. In-flight navigation data obtained from the two precision GPS receivers...
2002
Seismic Sequences and Their Distribution on the Wilkes Land Margin
S. L. Eittreim, G. L. Smith
Circum Pacific Council Publications
...: SECONDARY: MAGNAVOX SYSTEM -TRANSIT- SATELLITE -GPS- S A T E L L I T E Recording and Equipment T h e 1 8 0 0 km of seismic-reflection data (lines 1 through...
1987
Surficial Sediments of the Great Australian Bight: Facies Dynamics and Oceanography on a Vast Cool-Water Carbonate Shelf
Noel P. James , Yvonne Bone , Lindsay B. Collins , T. Kurtis Kyser
Journal of Sedimentary Research (SEPM)
.... Navigation was by Global Positioning System (GPS), transit satellite, radar, and dead reckoning. The average accuracy of navigational fixes varied from...
2001
Abstract: Multi-Disciplinary Pore Pressure Prediction : Reconciliate Geophysics and Basin Modeling to Control Risks and Uncertainties in Drilling Operations (Geophysics Poster 27)
G. Lecante, P. Wojciak, N. Bianchi
Geological Society of Malaysia (GSM)
... zones. Such zones are detected with seismic (interval velocity) and sonic transit time. In most cases the strong increase in transit time in the over...
2011
Log Abbrevations, Log Names, and Title Page
George B. Asquith, Charles R. Gibson
AAPG Special Volumes
... - compaction factor for sonic porosity rj - radius of invaded zone t - interval transit time of formation tf - interval transit time of fluid...
1982