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Assessment of cathodic protection by close interval survey incorporating the instant off potential method

Publicated to:Corrosion Engineering Science And Technology. 51 (4): 241-247 - 2016-01-01 51(4), DOI: 10.1179/1743278215Y.0000000041

Authors: Ojeda VA; Lázaro L; Benito JJ; Bastidas JM

Affiliations

National Centre for Metallurgical Research (CENIM); CSIC; Ave. Gregorio del Amo 8; Madrid; 28040; Spain - Author
School of Industrial Engineers; UNED University; Juan del Rosal 12; Madrid; 28040; Spain - Author

Abstract

This paper reviews five field assessments of the cathodic protection of coated steel pipelines buried in soils of an average resistivity of 4300 Ω cm, performed using the close interval survey (CIS) technique and incorporating the instant off potential (IOP) method to measure any voltage drop. Multiple current sources were identified in the surveys, and simultaneous interruption of all the current sources was achieved using synchronised switches. The results presented here highlight the importance of incorporating the IOP method when performing CIS in order to quantify the voltage drop factor and thus improve the interpretation of potential measurements. Unexpected field situations encountered when performing the CIS technique are discussed and the practicality of using corrosion coupons is analysed. © 2016 Institute of Materials, Minerals and Mining.

Keywords

Cathodic protectionClose interval surveyClose interval surveysCoated steelCurrent sourcesDc voltageDc voltage surveyField assessmentInstant off potentialMultiple currentsOff potentialsPipelinePipelinesPotential measurementsSurveys

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Corrosion Engineering Science And Technology due to its progression and the good impact it has achieved in recent years, according to the agency Scopus (SJR), it has become a reference in its field. In the year of publication of the work, 2016, it was in position , thus managing to position itself as a Q2 (Segundo Cuartil), in the category Chemical Engineering (Miscellaneous). Notably, the journal is positioned en el Cuartil Q3 for the agency WoS (JCR) in the category Metallurgy & Metallurgical Engineering.

From a relative perspective, and based on the normalized impact indicator calculated from the Field Citation Ratio (FCR) of the Dimensions source, it yields a value of: 2.57, which indicates that, compared to works in the same discipline and in the same year of publication, it ranks as a work cited above average. (source consulted: Dimensions Jun 2025)

Specifically, and according to different indexing agencies, this work has accumulated citations as of 2025-06-27, the following number of citations:

  • Scopus: 11

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-06-27:

  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 18 (PlumX).