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The AAPG/Datapages Combined Publications Database
Showing 25,586 Results. Searched 195,354 documents.
Transformation of Resistivity to Pseudovelocity Logs: GEOLOGIC NOTE
Albert J. Rudman , Joseph F. Whaley , Robert F. Blakely , Maurice E. Biggs
AAPG Bulletin
... the apparent resistivity (Ra), calculation of the corresponding transit time (TT^prime) proceeds from the relation EQUATION (1) where A, B, and C are empirical...
1976
Urban Geophysics: Geophysical Signature of the Mount Bonnell Fault and its Karstic Features in Austin, Texas
Mustafa Saribudak
GCAGS Transactions
... of 1 ohm-m. The synthetic apparent resistivity, calculated inverted, and synthetic model are given in Figure 5. Note the similarity between...
2012
Shallow Hazard Assessment and Interpretation Using Geoelectrical Data: Bungamas PSC Study Case, Onshore South Sumatra Area
Iswani Waryono, Nusatriyo Guritno, Putri Riadini, Agus Laesanpura
Indonesian Petroleum Association
... of an electric current (I) into the earth thru steel electrodes. Two ceramic porous pots are used as receivers with voltage unit (V). The apparent resistivity (ρa...
2013
Use of Dipmeter Data in Clastic Sedimentological Studies (1)
C. HOCKER , K. M. EASTWOOD , J. C. HERWEIJER , and J. T. ADAMS
AAPG Bulletin
.... (February) Resistivity curves from he eight measuring electrodes of Schlumberger's Stratigraphic High-Resolution Dipmeter Tool{TM} (SHDT) can be processed...
1990
Abstract: Application of Induction Logging in Louisiana and Mississippi
C. A. Doh
GCAGS Transactions
... by a combination of the Induction, spontaneous potential, and short-normal resistivity curves. The basic advantages of Induction over conventional logging...
1955
Determination of Permeability by Resistivity Logging
L. A. Buryakovskiy
Petroleum Geology: A Digest of Russian Literature
...Determination of Permeability by Resistivity Logging L. A. Buryakovskiy 1959 50 55 Vol. 3 (1959) No. 1B. (January) 1. Dakhnov, V. N., 1955...
1959
Interpretation of the Geophysical-Logging Data on Deep Wells of the Western Cis-Caucasus
V. K. Popov
Petroleum Geology: A Digest of Russian Literature
..., ρzp/ρm = 40; c-D/dw = 32, ρzp/ρm = 25; d-D/dw = 32, ρzp/ρm = 10. ρk is apparent resistivity; ρzp is specific resistivity of the zone of penetration...
1966
Athabasca Oil Sands Exploration and Development Investigation Using the Helicopter-Borne Transient Electromagnetic Technique
Search and Discovery.com
... resolution of helicopter frequency domain systems. The resulting resistivity measurements are similar, but with lower vertical resolution...
2013
New Technology to Acquire, Process, and Interpret Transient EM Data; #41579 (2015)
Anton Ziolkowski, Richard Carson, David Wright
Search and Discovery.com
... time of the peak of the earth impulse response with offset can be mapped to an apparent interval resistivity, creating a pseudo-resistivity section...
2015
Abstract: Quantifying Total Organic Carbon (TOC) from Well Logs Using Support Vector Regression; #90187 (2014)
Yexin Liu, Zhuoheng Chen, Kezhen Hu, and Chris Liu
Search and Discovery.com
... Conclusions We have first put forward methods to generate apparent logs (gamma ray, density, sonic and neutron) from resistivity to identify the shale gas...
2014
Resistivity Mapping and Petrophysical Study of Upper Devonian Inter-reef Calcareous Shales of Central Alberta, Canada
R. G. McCrossan
AAPG Bulletin
.... The distribution of these carbonates was detected b mapping the average apparent resistivity of a stratigraphic interval. The basin reached its maximum...
1961
Geophysical investigation of mine waste in the King River Delta, Macquarie Harbour, Tasmania
Matthew J. Cracknell, Sibele C. Nascimento, Wei Xuen Heng, Anita Parbhakar-Fox, Thomas A. Schaap
Petroleum Exploration Society of Australia (PESA)
...), surface waves (Vs) and apparent resistivity for the Line 1 traverse. Both Line 1 and Line 2 (not shown) cross sections are similar in both...
2019
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
...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...
1990
Synthetic Electric Logs in Subsurface Mapping
William H. Curry III
Wyoming Geological Association
.... First, the thickness of permeable sandstone, as indicated by the SP curve, and second by the thickness of rock with resistivity (R16 inch) below a given...
1969
A Hidden Reservoir within the Gacheta Formation, Zopilote Field, Llanos Orientales Basin, Colombia, #20231 (2014)
Cesar Vasquez
Search and Discovery.com
... to be determined in the interpretation procedure is water resistivity (Rw). Several water resistivities are anticipated (helped by an apparent water...
2014
Telluric Currents and Their Use in Petroleum Exploration
K. Vozoff , R. M. Ellis , M. D. Burke
AAPG Bulletin
..., the resistivity ^rgr can be calculated by EQUATION (2) Even if the earth is not uniform, E and H can still be measured, and an apparent resistivity...
1964
Magnetotelluric Transect of the Sevier Overthrust Belt in Southwestern Utah and Eastern Nevada
Jeffrey M. Johnston, Philip E. Wannamaker
Utah Geological Association
... as they appear in (1), we instead construct simple functions from each. One useful function is apparent resistivity, generically denoted ρa defined...
1991
Slim, High Resolution Laterolog Array Tool: First Field Experiences
Jean-Marc Donadille, Igor Ilyin, Martin G. Lüling, Tony Meszaros, Richard Reischman, Alexey Repnev, Vladimir Yukhlin, Nasar Khan, Mark Jones
Unconventional Resources Technology Conference (URTEC)
... provides Rt even for large corrections from the deepest reading apparent resistivity Ra. Furthermore, the inversion provides the invasion resistivity Rxo...
2017
MFF net: A multiscale feature fusion network for electromagnetic and seismic joint inversion
Yonghao Wang, Zhuo Jia, Yinshuo Li, Wenkai Lu
International Meeting for Applied Geoscience and Energy (IMAGE)
... the two encoders. The variables and represent the apparent resistivity and phase data, respectively. and denote the initial velocity model...
2023
Basic Open Hole Tools: Part 4. Wireline Methods
Mark W. Alberty
AAPG Special Volumes
... of different depths of investigation to characterize the influence of the invading mud filtrate upon apparent formation resistivity...
1992
Study of Carbonate Reservoirs of the Astrakhan Field by Geophysical Logging
R. Sh. Aliyev
Petroleum Geology: A Digest of Russian Literature
... electrical logging probes (laterolog). This method is used to analyze variations in resistivity radially. Comparison of apparent resistivities discloses...
1979
ABSTRACT: Small Scale Heterogeneity: Significance and Modelling Challenges for EOR Field Development, by Nofli, Sami; #90141 (2012)
Search and Discovery.com
2012
Unconventional Resource Potential of the Sunbury Shale, Berea Sandstone, and Antrim Shale in Central Michigan
Search and Discovery.com
N/A
A Study on the Origins of Permeability within the Point Pleasant Formation, Eastern Ohio
Search and Discovery.com
N/A
Abstract: Logfacies Distribution of the Wilcox Coal-Bearing Interval in North-Central Louisiana: A Quick-Look Technique for Coalbed Methane Resource Evaluation
Joshua Kull, Gary L. Kinsland
GCAGS Transactions
...-obtainable, digitized SP and resistivity logs. This adapted technique relies on the premise that limestone does not typically occur in fluvial-deltaic...
2006