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- W2358903545 abstract "Air drilling is one of the effective means to increase drilling ROP, able to reach an ROP several times that of a conventional drilling. However it is more complicated than conventional drilling. It demands special equipment, wellhead, and drilling tools. For formations with pressure coefficient below 1, conventional drilling fluid drilling often leads to lost circulations, causing downhole accidents. Aerated drilling, a wholly new technology, is used in Sichuan and Chongqing area to deal with this kind of complex formations which are both water-producing and subject to serious lost circulations. During the experience on Well Weihan-1, aerated drilling has solved a series of complicated downhole problems caused by lost circulations, largely reduced the drilling cycle of complex well sections, and has reduced the comprehensive drilling costs." @default.
- W2358903545 created "2016-06-24" @default.
- W2358903545 creator A5024994380 @default.
- W2358903545 date "2006-01-01" @default.
- W2358903545 modified "2023-09-25" @default.
- W2358903545 title "STUDY ON ROP IMPROVEMENT BY AIR DRILLING TECHNOLOGY" @default.
- W2358903545 hasPublicationYear "2006" @default.
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