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The AAPG/Datapages Combined Publications Database

Showing 25,048 Results. Searched 190,740 documents.

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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

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

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

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

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

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

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

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

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

Direct Current Resistivity Method for Shallow Hydrocarbon Exploration

Aditya A. Juanda, Andika P., David P. Sahara, Dhea Wachju D., Reza P. A. B., Eko Mario C. L., Warsa

Indonesian Petroleum Association

... resistivity especially Vertical Electrical Sounding (VES). VES is a method that can be used to detect vertical variation from apparent resistivity, where...

2008

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