LECTURA PAPERS

2.34 Corrosion Testing and Determination of Corrosion Rates:

Appendix A: Methods of Removal of Corrosion Product. PAGE. 71

A.1 Procedures for Removing Corrosion Products-A.1.1. Electrolytic cathodic cleaning

A.1.2 Chemical CleaningA.1.2.1 Copper and nickel alloysA.1.2.2 Aluminum alloysA.1.2.3 Tin alloysA.1.2.4 Lead alloysA.1.2.5 ZincA.1.2.6 Magnesium alloysA.1.2.7 Iron and steelA.1.2.8 Stainless steels

4.42 Management of Corrosion of Onshore Pipelines

4.42.5.6 Internal Corrosion: Prevention4.42.5.6.1 Corrosion allowance4.42.5.6.2 Corrosion-resistant alloys4.42.5.6.3 Coatings4.42.5.6.4 Product treatment4.42.5.6.5 Inhibitors

The Main Environmental Factors Influencing Corrosion

7.2 Pigging7.2.1 Sphere pigs7.2.2 Foam pigs7.2.3 Cast pigs

7.3 Drying7.3.1 Injection of glycol or methanol7.3.2 Air drying7.3.3 Vacuum drying7.3.4 Purging with nitrogen

7.4 Corrosion inhibitors7.4.1 Selection of corrosion inhibitors7.4.1a Inhibitor efficiency7.4.1b Secondary inhibitor properties7.4.1c Ranking of corrosion inhibitors7.4.2 Application of corrosion inhibitors

7.4.2a Downhole tubular batch treatment7.4.2b Surface pipeline batch treatment7.4.2c Downhole tubular squeeze treatment or tubing displacement7.4.2d Downhole tubular continuous treatment

7.5 Biocides

7.9 Internal coatings and linings