Preview

External cathodic protection of well casings

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

16-06-2022

Publisher

National Standards Authority of Ireland

Preview

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

European foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Cathodic protection personnel competence
5 Description and assessment of corrosion risks
6 Prerequisites for application of cathodic protection
7 Design of the cathodic protection
8 Measurement of the well-casing-to-soil potential at the wellhead
9 Additional cathodic protection equipment
10 CP System Monitoring, inspection and maintenance
Annex A (informative) Voltage drop profile
Annex B (informative) Polarization curve method applied to a well
Annex C (informative) Calculation of the potential shift at the bottom of the well casing and
the well casing to soil resistance
Bibliography

This document provides information on methods suitable for assessing the likelihood of leakage due to external corrosion of well casings and to evaluate the need for cathodic protection, as well as methods of providing cathodic protection to the external part of these wells in contact with the soil.

Committee	TC 219
DocumentType	Standard
Pages	40
PublisherName	National Standards Authority of Ireland
Status	Current
Supersedes	I.S. EN 15112:2006 EN 15112:2006