NDLI: Resistivity Response of a Homogeneous Earth with a Finite-Length Contained Vertical Conductor

Content Provider	IEEE Xplore Digital Library
Author	Johnston, R.H. Trofimenkoff, F.N. Haslett, J.W.
Copyright Year	1980
Abstract	The effect of embedded conductors such as well casings on apparent resistivity measurements on the earth's surface is of interest in geophysical exploration. A relatively simple and computationally efficient method of analysis is presented to determine the apparent resistivity error that is caused by the presence of long slender cylindrical conductors embedded vertically into the earth. The conductors may be of arbitrary length, with arbitrary longitudinal resistance and interface resistance. The potential at the well casing surface is found by modeling the casing as a set of finite-length line current sources and obtaining their values by a matrix inversion. The currents thus found are equivalent to the current that actually flows into the different sections of the well casing, and the potential at a field point due to the finite line current sources and the point current source can then be readily found and can be compared to the undisturbed field point voltage. Apparent resistivity profiles calculated for pole-pole, Schlumberger, and dipole-dipole arrays with adjacent well casings are presented.
Sponsorship	IEEE Geoscience and Remote Sensing Society IEEE URSI
Starting Page	414
Ending Page	421
Page Count	8
File Size	2171433
File Format	PDF
ISSN	01962892
Volume Number	GE-25
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1987-07-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Conductivity Earth Conductors Engine cylinders Surface resistance Electric resistance Geophysics computing Voltage Ellipsoids Skin
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Electrical and Electronic Engineering

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

The complex resistivity response of a homogeneous Earth with a finite-length contained vertical conductor

Resistivity Response of a Homogeneous Earth with a Contained Vertical Conductor

Electric Drill Stem Telemetry

Fields at a Finite Conducting Wedge and Applications in Interconnect Modeling

Magnetic dipole excitation of an insulated conductor of finite length

Electric resistivity tomography for geophysical inverse problems

Three-dimensional finite-difference resistivity modeling using an upgridding method

LSE- and LSM-mode sheet impedances of thin conductors

Induced current in and scattered field from a finite cylinder with arbitrary conductivity and permittivity

Resistivity Response of a Homogeneous Earth with a Finite-Length Contained Vertical Conductor

Similar Documents

The complex resistivity response of a homogeneous Earth with a finite-length contained vertical conductor

Resistivity Response of a Homogeneous Earth with a Contained Vertical Conductor

Electric Drill Stem Telemetry

Fields at a Finite Conducting Wedge and Applications in Interconnect Modeling

Magnetic dipole excitation of an insulated conductor of finite length

Electric resistivity tomography for geophysical inverse problems

Three-dimensional finite-difference resistivity modeling using an upgridding method

LSE- and LSM-mode sheet impedances of thin conductors

Induced current in and scattered field from a finite cylinder with arbitrary conductivity and permittivity

Resistivity Response of a Homogeneous Earth with a Finite-Length Contained Vertical Conductor