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The AAPG/Datapages Combined Publications Database
Showing 26,325 Results. Searched 200,293 documents.
Old Electrical Log Interpretation [Pre-1958], Chapter 2: The Lateral Curve
Hilchie, D.W.
AAPG Special Volumes
... to as the apparent resistivity from the curve.As a thick resistive bed is reduced in thickness, the curve shapes stay much the same, only it appears...
1979
ABSTRACT: Geoelectrical Response During Microbial LNAPL Degradation: Implications for Monitoring Bioremediation, by D. D. Werkema, Jr.; #90909 (2000)
Search and Discovery.com
2000
Application of Resistivity Mapping to Upper Devonian Interreef Ireton Formation of Alberta: ABSTRACT
R. G. McCrossan
AAPG Bulletin
... apparent resistivity of a stratigraphic interval from borehole measurements. The pore volume of these rocks decreases with increasing depth and carbonate...
1959
Abstract: Diagnostic Resistivity Sounding Curves of Karstic Aquifers in the Chuping Limestone
Mohammed Sayyadul Arifin, C. Y. Lee
Geological Society of Malaysia (GSM)
... of apparent resistivity. The lithologic logs at or near these soundings show more or less similar subsurface conditions. Interpretation...
1987
Calibrating Apparent Resistivity Traces, Lines, and Volumes Derived From Lightning Strike Data in South Texas
Search and Discovery.com
N/A
Mapping Subsurface Faults With Lightning and Resistivity
Search and Discovery.com
N/A
Correction of invasion effects on well logs in Camisea gas reservoirs, Peru, with the construction of static and dynamic multilayer petrophysical models
Ankur Gandhi, Carlos Torres-Verdin, Ben Voss, Federico Seminario Gros, Johnny Gabulle
AAPG Bulletin
... concept to examine and quantify the effects of mud-filtrate invasion on apparent resistivity, nuclear, and magnetic resonance logs acquired in the San...
2013
Autofluid Module as Innovative and Powerful Technique for Hydrocarbon Identification in Mature Fields with Wide Range Water Salinity Variation
Gilang Areiestya, Haris Kurniawan Hidayat, Gustiadi Rosa
Indonesian Petroleum Association
...) is generally less than resistivity at the points where FA result equals gas (red dots) with some apparent overlapping. Resistivity cut-off can...
2015
Structural imaging in the Rocky Mountain Foothills (Alberta) using magnetotelluric exploration
Wen Xiao, Martyn Unsworth
AAPG Bulletin
... and Hy, then the apparent resistivity of the Earth is given bywhere f is the frequency of the signal, and 0 is a constant (Vozoff, 1991...
2006
Frontmatter - Application of Resistivity-Tool-Response Modeling for Formation Evaluation - Archie Series No. 2
Hezhu Yin
AAPG Special Volumes
..., shoulder beds, thin beds, borehole dimension, mud resistivity, and/or invasion on the apparent resistivity recorded by field resistivity logs...
2011
Basic Relationships of Well Log Interpretation: Chapter I
George B. Asquith, Charles R. Gibson
AAPG Special Volumes
... zones (i.e., Sw = 100%) by the apparent water resistivity (Rwa) method (see Chapter VI). Fundamental Equations Table 2 is a list of fundamental...
1982
Concluding Remarks - Application of Resistivity-Tool-Response Modeling for Formation Evaluation - Archie Series No. 2
Hezhu Yin
AAPG Special Volumes
... provide better vertical resolution for thin-bed detection. Conclusion • Apparent resistivity (Ra) is not equal to true formation resistivity (Rt...
2011
Base of Protected Water Depth Structure Maps Using Geologic Modeling Methods
Search and Discovery.com
N/A
The Use of Geoelectrical Imaging to Study Groundwater Pollution at Gemenceh Waste Disposal Site, Negeri Sembilan
Abdul Rahim Samsudin, C. A. Tan, Bashilah Baharudin, Mohd Tadza Abdul Rahman
Geological Society of Malaysia (GSM)
... in this study. RESULTS AND DISCUSSION Figure 3 shows subsurface measured Wenner apparent resistivity pseudosection and resistivity depth section of Line RC...
2000
Electrical Resistivity Investigation for Subsurface Exploration along the Right of Way of the Sewage Flow Conveyance System in Alexandria, Egypt
El-Sayeda Abou Shagar, Yakout Al-Abd
Environmental Geosciences (DEG)
...)-apparent resistivity values (ρa) in (ohm-m) of survey points A1, A2, and A3. Figure 3. Electrode separation (a) in (m)-apparent resistivity values (ρa...
1998
Interval Resistivities and Very Low Frequency Electromagnetic Induction — An Aid to Detecting Groundwater Contamination in Space and Time: A Case Study
Alvin K. Benson, Melissa A. Stubben
Environmental Geosciences (DEG)
... constructed from both the apparent resistivity and interval resistivity data, the latter determined from the apparent resistivities by iterative modeling...
1995
Parameterizing and Block-Averaging Electrical Characteristics of a Reservoir: an Essential part of Electrical/Electromagnetic Evaluation of Production Process: Reservoir Characterization and Modeling
A. J. Mansure
AAPG Special Volumes
... of the underburden. This is shown in Figure 3. The curves labeled preflood and postflood show the apparent surface resistivity that results from forward modeling...
1991
Resistivity Modeling as a Formation Evaluation Tool - Application of Resistivity-Tool-Response Modeling for Formation Evaluation - Archie Series No. 2
Hezhu Yin
AAPG Special Volumes
... Comparing the computed log response with the field log in the inversion process, the resistivity curve to be modeled is assumed to represent the apparent...
2011
The Combined Use of Core Analysis and Log Data for Better Productivity Evaluation
R. C. Wilshusen
South Texas Geological Society Special Publications
... with permeability and the attendant effect on the apparent resistivity measured by the deep investigation logs was discussed recently by Koepf...
1962
Understanding and Accounting for the Role of Pore Micro-Geometry in Contributing to Low Resistivity Pay in Heterogenous Carbonates
Search and Discovery.com
N/A
The Interpretation Result of Magneto Telluric and Schlumberger Resistivity Measurement in Lahendong Geothermal Area, North Sulawesi
Idrus Alhamid
Indonesian Petroleum Association
... measurements indicated from iso-apparent resistivity maps showed several anomalies in Lahendong, Waloan and Rurukan in the northern part and Tompaso...
1984
Abstract: Penyiasatan tapak dengan bantuan kaedah kerintangan geoelektrik (IN MALAY), Site Investigation with the Aid of Geoelectrical Resistivity Method
Abdul Ghani Rafek, Abdul Rahim Samsudin
Geological Society of Malaysia (GSM)
... distinct apparent resistivity curves were obtained from the two different areas. The presence of clay layers could be correlated with a specific...
1993
The Combined Use of Core Analysis and Log Data for Better Productivity Evaluation
R. C. Wilshusen
Bulletin of South Texas Geological Society
.... The variation of water saturation with permeability and the attendant effect on the apparent resistivity measured by the deep investigation logs...
1962
Application of Resistivity Method for Archaeological Site Investigation at Sungai Mas, Kuala Muda, Kedah
Abdul Rahim Samsudin, Umar Hamzah
Geological Society of Malaysia (GSM)
... terrameter. The meter reads resistance (VII} directly in ohm and values are converted to apparent resistivity by multiplying the resistance...
1995
New Log Interpretation Techniques for Gulf Coast: ABSTRACT
R. P. Burton
AAPG Bulletin
... are compared. 1. In one approach a comparison is made of the values of the formation water resistivity computed from the resistivity log and from...
1959