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The AAPG/Datapages Combined Publications Database
Showing 26,340 Results. Searched 200,685 documents.
Adaptive OCCAMs inversion for the interpretation of borehole ultra-deep azimuthal resistivity measurements
Wardana Saputra, Junsheng Hou, Carlos Torres-Verdín, Sofia Davydycheva, Vladimir Druskin
International Meeting for Applied Geoscience and Energy (IMAGE)
...’s inversion for borehole ultra-deep azimuthal resistivity form of magnetic field, voltage, apparent resistivity, or phase and attenuation (geosignals...
2023
Assessing a New LWD Technology of Borehole Imaging for Unconventional Reservoirs: A Case Study from Vaca Muerta, Argentina
M. D. Vallejo, N. Villarroel, G. Cuadros, C. Shrivastava, R. L. Brown, E. F. Lombardo, C. A. Hernandez, M. Chandia, P. Delgado
Unconventional Resources Technology Conference (URTEC)
... simultaneously from a short sub (~15-ft), namely apparent resistivity and ultrasonic while drilling to acquire high resolution azimuthal images...
2020
Geophysical characterization of a nonaqueous-phase liquidcontaminated site
Alberto Godio, Alessandro Arato, Stefano Stocco
Environmental Geosciences (DEG)
... of a specific array and measuring the potential drop on a different couple of electrodes. Apparent resistivity is measured and transformed to the true...
2010
Extended Abstract: New Lightning Attribute Volumes Compared to the Texas Bureau of Economic Geology (BEG) Stratton 3D Seismic Survey
Kathleen S. Haggar, Les R. Denham, H. Roice Nelson, Jr.
GCAGS Transactions
... (Haggar et al., 2014). Details in apparent resistivity and apparent permittivity rock property volumes calculated from lightning databases have been...
2016
New Method of Correlation by Resistivity Values of Electrical Logs
A. P. Claudet
AAPG Bulletin
...New Method of Correlation by Resistivity Values of Electrical Logs A. P. Claudet 1950 2027 2060 34 10. (October) The silhouette of the curves...
1950
Abstract: Well-Log Analysis in Cretaceous Gas Sands in Northern Montana, by E. B. Campen; #90971 (1976).
Search and Discovery.com
1976
ABSTRACT: Interpretation of Structural and Stratigraphic Features with Steep Dips, by Robert L. Langley, Don Lee, Robert A. Young; #91003 (1990).
Search and Discovery.com
1990
Magnetic Resonance Profiling A Resistivity Independent Technique for Hydrocarbon Identification and Characterization
Udit Kumar Guru
Indonesian Petroleum Association
... of gas is not clear in the interval 3401m, 3411m where the resistivity is less than 1 ohm-m and there is no apparent density-neutron cross over...
2007
Transient Electromagnetic Detection of Subsea Permafrost Near Prudhoe Bay, Alaska
Gerald G. Walker, K. Kawasaki, T. E. Osterkamp
Pacific Section SEPM
... be considered typical, have been reduced to apparent resistivity and plotted versus the square root of time on loglog scales in Figure 1. The interpreted...
1987
LWD Resistivity Modelling and Geosteering for Horizontal Well Planning and Drilling, Iagifu-Hedinia Field, Papua New Guinea
J. Edwards, J. E. Livingston, S. P. Franklin, T. Eme, R. Kila, D. Kisombo, S. Madu
Papua New Guinea (PNG) Petroleum Convention Proceedings
... resistivity, arc resistivity, and gamma ray have an apparent depth mismatch (Fig. 6 ). The unit above the Toro entry point was Alene shale with an Rt...
1996
Magnetotellurics (MT): Technique, Interpretation, and Application, Karen Rae Christopherson, Search and Discovery Article #40025, 2001
Search and Discovery.com
N/A
Possibility of Outlining Gas-Oil Pools by the Method of Electrical Sounding Using Boreholes
M. A. Kirichek, Yu. S. Korol’kov, A. N. Kuznetsov, A. P. Yakovkev
Petroleum Geology: A Digest of Russian Literature
... ϱk is apparent resistivity; K is a coefficient that takes into account the mutual disposition of the electrodes AB and MN; ΔV is the difference...
1965
Monitoring Coal Seam Gas Depressurisation Using Magnetotellurics, #41786 (2016).
Nigel Rees, Graham Heinson, Lars Krieger
Search and Discovery.com
... of investigation – skin depth T is the period ρ is the apparent resistivity High frequencies image the near-surface Low frequencies penetrate to greater depths...
2016
Niobrara Horizontal Well Planning and Execution: The Other Half of the Equation
Jack Wiener, Mohamed Elfedawy
Unconventional Resources Technology Conference (URTEC)
...-depth uncertainties associated with sparse well control, time-to-depth conversion of seismic information, and an apparent misunderstanding...
2013
Dip Data Estimation From a Multi Depth Investigation Array Induction Tool for Improved Structural Analysis
Ade Setiawan, Samira Ahmad, Udit Kumar Guru
Indonesian Petroleum Association
... tools measure apparent resistivity Ra, in a horizontal plane. This is equivalent a horizontally measured resistivity, Rh. Resistivity measured...
2011
Method of Distinguishing Marker Horizons in the Paleocene-Quaternary Sediments of the Northwestern Caspian Area in Connection with Exploration for Structures in the Mesozoic
N. V. Marasanova
Petroleum Geology: A Digest of Russian Literature
..., second variety. Apparent resistivity and SP logs were made. Electrical resistivity in the sands is generally greater than in the clays. However...
1966
Rokans Enigmatic Telisa Low Quality Reservoir, a Geological Perspective from Core
Agus Susianto, Satia Graha, Zuardin Azzaino, Dwi Meidian Sulistyo, Erry Mastoadji
Indonesian Petroleum Association
... and a reduced total resistivity value compared to Duri dan Bekasap intervals. The upper Telisa interval is characterized by lower GR log shale base line...
2023
EXTENDED ABSTRACT: Overpressure Determination from Sonic and Resistivity Log Anomalies, Jonah Field, Northern Green River Basin, Wyoming
Robert M. Cluff, Suzanne G. Cluff
Wyoming Geological Association
...EXTENDED ABSTRACT: Overpressure Determination from Sonic and Resistivity Log Anomalies, Jonah Field, Northern Green River Basin, Wyoming Robert M...
2001
A Method of Estimating Formation Pressures from Gulf Coast Well Logs
Harold H. Ham
GCAGS Transactions
...A Method of Estimating Formation Pressures from Gulf Coast Well Logs Harold H. Ham 1966 Vol. 16 (1966), Conventional resistivity, sonic, and density...
1966
Rigsite Geological Interpretation of a Deepwater Horizontal Well
Tom S. Schroeder , Michael F. Medeiros
GCAGS Transactions
... (right track) were poor. While lobe A was apparent at the top of this section where the resistivity was high (and GR was low), correlations became...
1997
Anomalies Indicate Potential
Aslak Myklebostad, Svein Ellingsrud
GEO ExPro Magazine
... Anomalies There are a couple of dry wells in the survey area that show an absence of any elevated resistivity in the respective drilling CSEM receiver...
2019
Old Electrical Log Interpretation [Pre-1958], Chapter 8: The Limestone Device
Hilchie, D.W.
AAPG Special Volumes
... DeviceAs with the normal, there is a maximum resistivity that the limestone device can measure. It is controlled by the mud resistivity (Rm) and the hole...
1979
Development of Empirical Formation Factors to Estimate Water Quality from Electrical Logs for the Southern Hills Aquifer System of Southeastern Louisiana
Thomas P. Van Biersel
GCAGS Transactions
...), a temperature correction was applied on the apparent resistivity reading. Temperature corrections can be performed using Equation 4 (Dooley, 1983; Hilchie, 1984...
2007
Some Features of Interpretation of Microsonde Diagrams in Carbonate Sections
V. M. Leont’ev
Petroleum Geology: A Digest of Russian Literature
... sonde, by their low apparent resistivities. These low resistivities, however, often do not correspond to reduced readings on the neutron-gamma log, which...
1959
NEW LOGGING APPROACHES FOR EVALUATIONS OF CARBONATE RESERVOIRS
B. M. McVICAR, J. L. HEATH, R. P. ALGER
Williston Basin Symposium
.... In such a case the apparent resistivity (usually from the Laterolog) was used without corrections for invasion. This technique is reliable only...
1956