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Cathodic Protection of Steel Pipelines

Technical Information

How cathodic protection works

Pipe to Soil Voltage, as practiced for years

Discussion about cathodic protection voltages

Half-cells, reference electrodes or not?

The Isopotential Cell

Long term monitoring of pipeline corrosion.

Cathodic Protection Instruments

Ground potentials or so called voltage gradients

Stray electrical currents, or 'interference'

The Alexander Cell, a simple answer to CP monitoring

A training aid and demonstration piece

Another training aid and demonstration piece

Reliable field data is rare. The following field procedures will result in consistant data.

Click here to get to the index page of 20 field procedures

Further information and help
I will endeavour to keep this site up to date and to answer any questions that I receive by email, but it must be realised that the information contained on this site is only about 10% of that at my disposal through experience, personal research and field experimentation. I would be pleased to be engaged on a professional consultancy basis should you require further guidance training or advice.

Available Human Rescources

I can undertake any cathodic protection work and supply personnel from a network of friends and colleagues who have years of experience in cathodic protection engineering. This includes all of the technology contained in this website plus GPS, DCVG, Resistivity, CIPS and a variety of other data logged surveys which we have carried out.

Whether you require a complete team or an individual, we have experience in major projects and individual trouble shooting activities and there is no cathodic protection problem that we cannot solve.

We can provide a professional, competitive service and our integrity can be supported by numerous references and by examining the technology which follows.

Training

I have several training courses available to improve the effectiveness of cathodic protection systems.

These can be held 'in house' at your own company premises or at training centres which I can arrange. I have a record of delivering training from one day seminars to two week training courses for experienced engineers and graduates.

Please contact me for details of the itineries, content and current cost of the four packages that I have currently available.

I can be contacted by email:-

roger.alexander@virgin.net

or by telephone

(UK) 01344 486182

This link leads to a paper that I wrote some years ago.
It caused a brief international reaction when first published.
This link leads to a supporting paper which was given to me by the Chairman of the British Standards Institute Committee for Cathodic Protection Codes of Practice (CP1021).


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