With today’s high prices for natural gas and oil, the demand for oil and country tubular goods (OCTGs) with superior performance properties is very high. Failures in OCTG can be attributed to numerous sources, for example, makeup torque, corrosion, and galling. Thread galling is the most common mode of failure. This failure often leads to leakage, corrosion of the material, and loss of mechanical integrity. The failure of OCTG eventually amounts to excessive operational costs for the gas and oil industry. Numerous approaches have been taken to improve the galling resistance of OCTG connections. The advocacy of these approaches is often achieved through experimental studies using galling testers. There is a need to design and use effective galling testers to understand and improve the performance of OCTG connections. Thus, the objective of this paper is to present a concise review of literature related to the galling testers that may have applications to OCTG.
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March 2008
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Experimental Studies on Galling Onset in OCTG Connections: A Review
S. Ekwaro-Osire,
S. Ekwaro-Osire
Department of Mechanical Engineering,
e-mail: stephen.ekwaro-osire@ttu.edu
Texas Tech University
, Lubbock, TX 79409
Dr. Stephen Ekwaro-Osire is an Associate Professor of Mechanical Engineering and the director of the Product Design and Development Lab at Texas Tech University. He was a Fulbright Scholar in 2007-2008. Dr. Ekwaro-Osire's teaching interests are design, vibrations, dynamics, and probabilistic design. His research interests are in the area of probabilistic design, vibrations, biomechanics, and tribology. His research efforts have been supported by industry, government agencies, and local government. Dr. Ekwaro-Osire is a member of the American Society for Engineering Education, the American Society of Mechanical Engineers, the Society for Design and Process Science, and the Society for Experimental Mechanics.
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F. Karpat
F. Karpat
Department of Mechanical Engineering,
Uludağ University
, 16059 Bursa Turkey
Dr. Fatih Karpat is currently pursuing his research in the Mechanical Engineering Department (ME) at the University of Uludag, Turkey. He received his MSc and PhD from the University of Uludag, Turkey, in 2002 and 2005, respectively. He spent a year as a research associate in the Product Design and Development Lab in ME at Texas Tech University. His research interests are in the areas of gear design and analysis, machine design, and wind turbine experimentation. Dr. Karpat is an active member of the American Society of Mechanical Engineers and the Society for Design and Process Science.
Search for other works by this author on:
S. Ekwaro-Osire
Dr. Stephen Ekwaro-Osire is an Associate Professor of Mechanical Engineering and the director of the Product Design and Development Lab at Texas Tech University. He was a Fulbright Scholar in 2007-2008. Dr. Ekwaro-Osire's teaching interests are design, vibrations, dynamics, and probabilistic design. His research interests are in the area of probabilistic design, vibrations, biomechanics, and tribology. His research efforts have been supported by industry, government agencies, and local government. Dr. Ekwaro-Osire is a member of the American Society for Engineering Education, the American Society of Mechanical Engineers, the Society for Design and Process Science, and the Society for Experimental Mechanics.
Department of Mechanical Engineering,
Texas Tech University
, Lubbock, TX 79409e-mail: stephen.ekwaro-osire@ttu.edu
F. Karpat
Dr. Fatih Karpat is currently pursuing his research in the Mechanical Engineering Department (ME) at the University of Uludag, Turkey. He received his MSc and PhD from the University of Uludag, Turkey, in 2002 and 2005, respectively. He spent a year as a research associate in the Product Design and Development Lab in ME at Texas Tech University. His research interests are in the areas of gear design and analysis, machine design, and wind turbine experimentation. Dr. Karpat is an active member of the American Society of Mechanical Engineers and the Society for Design and Process Science.
Department of Mechanical Engineering,
Uludağ University
, 16059 Bursa TurkeyJ. Energy Resour. Technol. Mar 2008, 130(1): 014502 (4 pages)
Published Online: February 4, 2008
Article history
Received:
November 20, 2006
Revised:
November 28, 2007
Published:
February 4, 2008
Citation
Ekwaro-Osire, S., and Karpat, F. (February 4, 2008). "Experimental Studies on Galling Onset in OCTG Connections: A Review." ASME. J. Energy Resour. Technol. March 2008; 130(1): 014502. https://doi.org/10.1115/1.2835616
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