The technical solution to reduce the cost of eliminating the seizure of the drill string in the well
M. I. Korabelnikov, S. N. Bastrikov, N.A. Aksenova
Abstract
Open-access reader
M. I. Korabelnikov, S. N. Bastrikov, N.A. Aksenova
Abstract
Open-access reader
The analysis of the nonproductive time when drilling wells is conducted in the paper. it is established that the most of it is associated with the accidents and complications, with the main share (60%)-seizures. The statistical analysis of the reasons for the occurrence of seizures and the effectiveness of methods for their elimination is presented. A drill string disconnector (RBC) developed at the Tyumen Industrial University is proposed for unscrewing drill pipes and freeing them from trapped pipes. Keywords: well; drill pipes; accidents; seizure; drilling tool; drill string break.
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The analysis of the nonproductive time when drilling wells is conducted in the paper. it is established that the most of it is associated with the accidents and complications, with the main share (60%)-seizures. The statistical analysis of the reasons for the occurrence of seizures and the effectiveness of methods for their elimination is presented. A drill string disconnector (RBC) developed at the Tyumen Industrial University is proposed for unscrewing drill pipes and freeing them from trapped pipes. Keywords: well; drill pipes; accidents; seizure; drilling tool; drill string break.
Key concepts: Drill, Drill string, Drilling, String (physics), Petroleum engineering, Computer science, Engineering, Geology