DCVG Ltd.
Suites 2 & 3,
Greenbank House,
Swan Lane,
Hindley Green,
Wigan,
WN2 4AR,
United Kingdom

Tel: +44(0)1942 522180
Fax: +44(0)1942 522179

dcvg@dcvg.com

Or sales@dcvg.com


drjleeds@dcvg.com


www.dcvg.com

© DCVG Ltd. 2008

DC Voltage Gradient Technology & Supply Ltd.

More information about the whole DCVG methodology can be obtained from www.dcvg.com

We Lead - Others Follow

“Understanding Voltage Surveys Results in Reliable Coating Data”, By Dr. J. M. Leeds. & S. S. Leeds. Pipeline & Gas Industry, March 2001

“Some Pipe-to-Soil Potential readings Mislead Operators”, By Dr. J. M. Leeds. Pipeline & Gas Industry, April 1997

“Interaction Between Coatings and CP Deserves Basic Review”, By Dr. J. M. Leeds. Pipe Line Industry, March 1995

“Cathodic-Generated Film Protects Pipe Surface Part 1”, By Dr. J. M. Leeds. Pipeline & Gas Industry, September 1992

“Cathodic-Generated Film Protects Pipe Surface Part 2”, By Dr. J. M. Leeds. Pipeline & Gas Industry, October 1992

“Traditional CIPS Above Ground Survey Collects Unneeded data”, By Dr. J. M. Leeds. Pipeline & Gas Industry, June 1998

“Characterising Pipeline Coating defects for Refurbishment”, By Dr. J. M. Leeds. Pipeline Industry and Pipes & Pipelines International, September 1994

“Parameters that Determine the Need for External Pipeline Refurbishment”, By Dr. J. M. Leeds. Pipeline Industry and Pipe & Pipeline International, May 1991

“The Application of DC Voltage Gradient Technology to Accurately Determine Buried Pipeline Rehabilitation Requirements”, By Dr. J. M. Leeds. Pipeline Industry and Pipes & Pipeline International, September 1994

“The DC Voltage Gradient Method for Accurate Delineation of Coating Defects on Buried Pipelines”, By Dr. J. M. Leeds. & J. Graplia. UK Corrosion, October 1990

“Inaccuracies and Limitations of the Close-Interval Trailing-Cable Technique Lead to Incorrect Pipeline -Rehabilitation Decisions”, By Dr. J. M. Leeds. Pipe Line Industry and Pipes & Pipeline International, September 1994

“Pipeline Operators Misled by Sham Methods”, By Dr. J. M. Leeds. & S. S. Leeds. Pipeline & Gas Journal , June/July 2004

“Analysis of DCVG, CIPS and Other Survey Data Using the ECDA Concept”, By Dr. J. M. Leeds. & S. S. Leeds. Pipeline Technology

Published Technical Papers

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