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Dr. John F. Kiefner, P.E.
Senior Advisor
Kiefner & Associates, Inc.
Education
B.S., Civil Engineering, Purdue University
M.S., Civil Engineering, Purdue University
Ph.D., Civil Engineering, University of Illinois
Qualifications
Dr. Kiefner is a consultant on issues which affect pipeline safety and reliability. For 40 years he has conducted research, performed analysis, and provided training for pipeline operators and for pipeline industry consortia. His most significant contribution to the pipeline industry is a criterion for assessing the severity of corrosion on active pipelines. As a result of this criterion, the industry has saved millions of dollars by not having to repair or replace every piece of corroded pipe. The criterion is referred to as "B31G" or RSTRENG and is embodied in the ASME design codes for pipelines, B31.8 and B31.4.
Relevant Experience
Founder of Kiefner and Associates, Inc. :
In 1990 after a 23-year career at Battelle Dr. Kiefner formed the firm of Kiefner and Associates, Inc. The firm consists of several professionals who specialize in pipeline integrity issues working for a variety of clients most of whom are pipeline operators. He served as president and principal owner of the company until 2002, at which time a transition in ownership to the employees was begun.
Full-Scale Testing:
Dr. Kiefner has made important contributions to pipeline safety and reliability. Through full-scale experiments he helped to develop and validate the foundation for the widely-used methods for assessing the effects of defects on pressurized pipe. Through other full-scale tests he was able to show how various pipeline repair techniques function. As a result pipeline operators can select appropriate repair techniques for various kinds of pipeline anomalies on the basis of predictable levels of effectiveness.
Hydrostatic Testing:
Dr. Kiefner helped to develop explanations for the behavior of defects during hydrostatic testing leading to more effective testing. In particular, he was able to demonstrate how defects respond to pressure testing and what to expect in terms of defects that may survive a hydrostatic test.
Failure Analyses:
Dr. Kiefner has carried out many analyses of pipeline failures. As a result he is able to recognize causes and origins of pipeline failures quickly and effectively. He has helped pipeline operators numerous times through situations where understanding the cause of the failure was the key to getting the pipeline back to service safely.
Training:
Dr. Kiefner conducts courses for pipeline operator personnel and for regulators on pipeline integrity assessment and the ASME B31.4 code.
Professional Affiliations
Dr. Kiefner is a registered Professional Engineer in the State of Ohio
Member of the American Society of Mechanical Engineers
Member of NACE International
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