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Drill pipe failure prevention-Corrosion protection with drill pipe surface coating and management of drill pipe use with fatigue database-
zinc coating drill pipe fatigue database Von Mises Stress
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2009/5/6
Drill pipe failure is a very serious problem for Teikoku Oil Company(TOC) to continue deep well drilling. Then TOC has continued to carry out research in order to avoid this trouble and started some ...
Research on the Method of Strength Evaluation of Drill Pipe for Deep Drilling
Method of Strength Evaluation Drill Pipe Deep Drilling
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2009/4/1
During drilling operation various forces are exerted on a drill pipe such as a tension due to the weight of the drill string and vessel heave, as well as a bending stress due to vessel movement and oc...