Drill column life prediction
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Columns of drill pipes are one of the most important parts of the technological process of building oil and gas wells. The range of their use is incredibly wide. Consequently, in the process of well construction, the drill string is exposed to force factors, which cause the occurrence of a complex stress state in its cross section. Often the magnitude of such stresses may exceed the fatigue or corrosion fatigue strength limit. This, in turn, can lead to failure of drill pipe elements due to resource exhaustion and the occurrence of accidents, the elimination of which requires significant mater...
Columns of drill pipes are one of the most important parts of the technological process of building oil and gas wells. The range of their use is incredibly wide. Consequently, in the process of well construction, the drill string is exposed to force factors, which cause the occurrence of a complex stress state in its cross section. Often the magnitude of such stresses may exceed the fatigue or corrosion fatigue strength limit. This, in turn, can lead to failure of drill pipe elements due to resource exhaustion and the occurrence of accidents, the elimination of which requires significant material and time investments. One solution to this problem is suspending the operation of drill pipes to the onset of a critical state. Consequently, the prediction of their final resource is only an urgent problem.
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