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SN EN 15112 : 2006

Current

Current

The latest, up-to-date edition.

EXTERNAL CATHODIC PROTECTION OF WELL CASINGS

Published date

01-12-2013

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Description and assessment of corrosion risks
  4.1 General
  4.2 Description of corrosion risks
  4.3 Corrosion risk assessment
5 Prerequisites for application of cathodic protection
  5.1 General
  5.2 Electrical continuity
  5.3 Electrical isolation
  5.4 Cathodic protection equipment
  5.5 Groundbed
  5.6 Safety requirements
6 Design of the cathodic protection
  6.1 General
  6.2 Voltage drop profile method
  6.3 Polarisation curve method
  6.4 Mathematical approach based on a field test
  6.5 Simulation of the cathodic protection for a well
7 Measurement of the well-casing-to-soil potential at the
  wellhead
  7.1 General
  7.2 Measuring points
  7.3 Method used for potential measurement - Interpretation
8 Additional cathodic protection equipment
Annex A (normative) Voltage drop profile
Annex B (informative) Polarisation curve method applied
                      to a well
Annex C (informative) Determination by calculation of the
                      potential shift at the bottom of the
                      well and the well to soil resistance
Bibliography

Describes methods used to evaluate the external corrosion hazards of well casings, as well as cathodic protection means and devices to be implemented in order to prevent corrosion of the external part of these wells in contact with the soil.

DocumentType
Standard
PublisherName
Swiss Standards
Status
Current

Standards Relationship
BS EN 15112:2006 Identical
UNE-EN 15112:2008 Identical
UNI EN 15112 : 2006 Identical
I.S. EN 15112:2006 Identical
DIN EN 15112 E : 2006 Identical
NF EN 15112 : 2006 Identical
NS EN 15112 : 1ED 2006 Identical
DIN EN 15112:2006-10 Identical
EN 15112:2006 Identical

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