EN 15112:2006
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
31-01-2007
26-07-2006
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
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