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- W2381539827 abstract "Air drilling has been widely used because of its advantages including low cost, high ROP, good results in leakage resistance and guarding against water-sensitivity and collapse. But on the other hand, air drilling adopted air as the circular medium and so hydrocarbons like natural gas and oil mixed with air will cause downhole explosion if only the mixture reaches the explosion limit under any possible explosive condition, which will certainly threaten the safety during operations of air drilling. Especially in recent years, air drilling technology has also been used to help increase the ROP and shorten the drilling circle especially in long well sections of non-reservoirs, and the possibilities of both targeting small oil and gas formations and downhole explosions have become extremely high. To solve these problems, monitor and control technology of downhole explosions has already been an important issue in the study of improving efficiency and expanding the adaptability of air drilling. According to analysis on explosion mechanism and modes downhole in the process of air drilling, this study adopted a multi-functional gas detection device, studied and developed by the Underbalanced Drilling Technology Research Lab of Southwest Petroleum University, to monitor on-line the composition, temperature and pressure of the reversed gases, in this way any possible explosion signs under the well could be traced in time so that accidents could be prevented effectively and air drilling could be ensured as well by this unassailable technology." @default.
- W2381539827 created "2016-06-24" @default.
- W2381539827 creator A5043995958 @default.
- W2381539827 date "2008-01-01" @default.
- W2381539827 modified "2023-09-23" @default.
- W2381539827 title "MONITOR AND CONTROL TECHNOLOGY OF DOWNHOLE EXPLOSION IN AIR DRILLING" @default.
- W2381539827 hasPublicationYear "2008" @default.
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