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07654 TELLURIC HAZARD ASSESSMENT FOR NORTHERN PIPELINES

Picture for 07654 TELLURIC HAZARD ASSESSMENT FOR NORTHERN PIPELINES
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Product Number: 51300-07654-SG
ISBN: 07654 2007 CP
Author: P. Fernberg, L. Trichtchenko, D.H. Boteler, and L. McKee
Publication Date: 2007
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This paper presents a general approach to the assessment of telluric activity. Telluric currents observed in a pipeline are the result of three simultaneously operating factors: (1) variations of the Earth’s natural geomagnetic field, (2) conductivity of the underlying Earth and (3) pipeline electromagnetic properties and pipeline structure. The first two factors were combined to give an estimation of the telluric electric field that produces variations of the pipe-to-soil potentials in a pipeline. This geoelectric field then can be combined with a particular pipeline equivalent circuit model which gives the pipeline response to the telluric activity in an area.
This paper presents a general approach to the assessment of telluric activity. Telluric currents observed in a pipeline are the result of three simultaneously operating factors: (1) variations of the Earth’s natural geomagnetic field, (2) conductivity of the underlying Earth and (3) pipeline electromagnetic properties and pipeline structure. The first two factors were combined to give an estimation of the telluric electric field that produces variations of the pipe-to-soil potentials in a pipeline. This geoelectric field then can be combined with a particular pipeline equivalent circuit model which gives the pipeline response to the telluric activity in an area.
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07686 ASSESSING PIPELINE VULNERABILITY TO TELLURIC CURRENTS

Product Number: 51300-07686-SG
ISBN: 07686 2007 CP
Author: D.H. Boteler
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07182 Correcting CIPS Surveys for Stray and Telluric Current Interference

Product Number: 51300-07182-SG
ISBN: 07182 2007 CP
Author: J. Peter Nicholson
Publication Date: 2007
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Picture for ASSESSMENT OF TELLURIC ACTIVITY IN THE AREA OF PROPOSED ALASKA HIGHWAY PIPELINE
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51312-01192-ASSESSMENT OF TELLURIC ACTIVITY IN THE AREA OF PROPOSED ALASKA HIGHWAY PIPELINE

Product Number: 51312-01192-SG
ISBN: 01192 2012 CP
Author: Larisa Trichtchenko
Publication Date: 2012
$20.00

The geomagnetic field fluctuations are accompanied by the geo-electric (telluric) field and telluric currents at the surface of the Earth and in the pipelines. These telluric activity indices were calculated for two areas in low latitude (Ottawa) and Alaska. Levels of telluric activity and rate of occurrences were calculated.
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