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Electrical grounding

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Proceedings Papers

Paper presented at the CORROSION 2017, March 26–30, 2017
Paper Number: NACE-2017-9254
... ABSTRACT Regional cathodic protection (CP) system is used to protect buried facilities in oil/gas stations from corrosion caused by soil and electrical grounding system with electropositive materials. However, the required current may increase tens to hundreds of times due to the existing...
Proceedings Papers

Paper presented at the CORROSION 2004, March 28–April 1, 2004
Paper Number: NACE-04045
... ABSTRACT Although cathodically protected pipelines are often connected directly to electrical ground in stations and plants, there is little information on the amount of current required to polarize various grounding materials such as copper, tinned copper, stainless steel, silicon iron...
Proceedings Papers

Paper presented at the CORROSION 2003, March 16–20, 2003
Paper Number: NACE-03701
...ELECTRICAL GROUNDING CASE HISTORIES Earl L. Kirkpatrick, P.E. ELK Engineering Associates, Incorporated 8950 Forum Way Fort Worth, TX 76140-5017 USA ABSTRACT Traditional copper grounding systems may create excessive demand on cathodic protection systems. Three case histories demonstrate...
Proceedings Papers

Paper presented at the 4th World Petroleum Congress, June 6–15, 1955
Paper Number: WPC-6616
... SYNOPSIS. Introduction. Since flowing fluids nzay carry an electric charge, flow into an insulated container may charge such a container to a dangerous potential. In this respect, the precautionary measure of grounding a tank truck is well known. If however. the walls of the equipment, from...
Proceedings Papers

Paper presented at the ASSE Professional Development Conference and Exhibition, June 28–July 1, 2009
Paper Number: ASSE-09-640
... Personal Protective Grounding /Bonding (PPGB) is one of the most important yet often misunderstood topics in High Voltage (>600 volts) electrical work (author's opinion). PPGB refers to techniques used to provide shock protection for electrical workers by connecting de-energized equipment...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3211851
... standard model imaging reflection us government polygonal gpr profile time-lapse electrical resistivity experiment annual meeting antarctica young polygonal resource in place estimate Bannister , M. T. , 2007 , Polygonal patterned ground and ancient buried ice on Mars...
Proceedings Papers

Paper presented at the CORROSION 2001, March 11–16, 2001
Paper Number: NACE-01603
... in the design of the grounding system for this gas compressor facility was to select a conductor that would be able to withstand high electric fault currents for a short period and would not interfere with the facility's existing cathodic protection system. A typical high voltage substation utilizes a bare...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428436
... curbside electrical monitoring field test configuration exploration geophysicist 10 cavity electrode array space science road surface electrode Curbside electrical monitoring for cavities beneath road surface and ground collapse Dikun Yang*, Department of Earth and Space Sciences, Southern...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3206017
... Massive Ice in Victoria Valley, Antarctica, with Multi-electrode Electrical Resistivity and Ground Penetrating Radar Michele T. Bannister1, David C. Nobes2*, Myfanwy J. Godfrey3, and Ron S. Sletten4 1. Astrophysics Research Centre, School of Mathematics & Physics, Queen s University Belfast, Northern...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215001
... the island morphology and evolution as well as groundwater and contaminants accumulation and flow. This study presents preliminary results of geophysical investigation that are currently conducted in Padre Island using Ground Penetrating Radar (GPR) and Electrical Resistivity Imaging (ERI) techniques...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-567
... ABSTRACT In this study, authors discussed a utilization of electric logging method for a liquefaction evaluation targeting a detached house ground survey. Swedish weight sounding (SWS) has been the most popular survey method for a detached house in Japan, however, it can't identify a soil...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2997941
... ABSTRACT The grounded electric source airborne time-domain electromagnetic (GREATEM) method has recently undergone a number of advances, including development of tools that can produce large source moments and hence allow for large transmitter–receiver offsets and thus greater depths...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-613
... of monitored ground anchors or rock bolts, for the sake of safety management, a new series of techniques, all of which work without using electricity, were developed to measure axial forces as 1) needle rotation, 2) magnified deformation between a specially created gap on an anchor plate and 3) change in crack...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5870407
... Summary We investigate through numerical simulation the usefulness of DC resistivity data for characterizing subsurface fractures with elevated electrical conductivity by considering a geophysical experiment consisting of a grounded current source deployed in a steel cased borehole. In doing...
Proceedings Papers

Paper presented at the ISRM International Symposium - 6th Asian Rock Mechanics Symposium, October 23–27, 2010
Paper Number: ISRM-ARMS6-2010-086
... Symposium 2010 and 6th Asian Rock Mechanics Symposium - Advances in Rock Engineering, 23-27 October, 2010, New Delhi, India DESIGN AND CONSTRUCTION ASPECTS OF TUNNELING THROUGH SOFT GROUND CONDITIONS USING LATTICE GIRDERS AT RAMPUR HYDRO-ELECTRIC PROJECT (412 MW) H.K.SHARMA, CMD R.S.CHAUHAN, ED (Design...
Journal Articles
SPE Prod & Oper 2 (01): 25–28.
Paper Number: SPE-14350-PA
Published: 01 February 1987
...J.H. Solomon Summary. To ground or not to ground? That is the question. This paper assists in answering that question. Proper system grounding of electrical submersible pumps has long been an issue for debate. me cel bveieha t aivnln ougrednd}d system is best, whereas others are equally convinced...
Proceedings Papers

Paper presented at the 1986 SEG Annual Meeting, November 2–6, 1986
Paper Number: SEG-1986-0203
... lower frequency symmetrical earth approximation time integration rational fraction equation reservoir simulation Poster Paper Sessions Wednesday Morning Poster Paper 1 Transient Electromagnetic POS 1.1 Response of a Polarized Ground to a Vertical Electric Line Source Y. Goldman, Ecole...
Proceedings Papers

Paper presented at the CORROSION 2003, March 16–20, 2003
Paper Number: NACE-03707
... with lineman's leather gauntlet gloves. 3. Measure the line voltage and ground the pipeline if it exceeds fifteen volts. Or if pipe potential exceeded fifteen volts AC, employ ground mats. 4. Ground pipe up on skids at necessary intervals to reduce the voltage to fifteen volts. = Curtail work if an electrical...
Images
Helicopter-type unmanned aerial vehicle and <b>ground</b> <b>electric</b> exploration equ...
Published: 15 September 2021
Figure 2 Helicopter-type unmanned aerial vehicle and ground electric exploration equipment. More
Proceedings Papers

Paper presented at the CORROSION 2011, March 13–17, 2011
Paper Number: NACE-11180
... EFFECTS A power-generating facility represents a vast network of buried piping and underground structures as well as structures exposed to corrosive cooling-water media. Galvanic corrosion can be anticipated on underground pipelines, storage tanks, structural piling, electrical grounding grid, ground...

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