Discussion on the Technologies Used in Cretaceous Strata Scientific Drilling in Jiao-Lai Basin

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Discussion on the Technologies Used in Cretaceous Strata Scientific Drilling in Jiao-Lai Basin
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Affiliation:Key Laboratory on Deep Geodrilling Technology of the Ministry of Land and Resources, China University of Geosciences,Key Laboratory on Deep Geodrilling Technology of the Ministry of Land and Resources, China University of Geosciences,Key Laboratory on Deep Geodrilling Technology of the Ministry of Land and Resources, China University of Geosciences,Key Laboratory on Deep Geodrilling Technology of the Ministry of Land and Resources, China University of Geosciences,Key Laboratory on Deep Geodrilling Technology of the Ministry of Land and Resources, China University of Geosciences
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Abstract:

Based on the complicated geological conditions in Cretaceous strata scientific drilling in Jiao-Lai basin, the paper introduces the construction about the borehole structure, BHA, flushing fluid selection and drilling technical parameters. According to the difficult problems of hydration dispersion in mudstone strata, oversized diameter caused by borehole collapse and bit balling, the solutions for advanced open borehole drilling and the selection of low solid inhibited flushing fluid and drill bit are mainly discussed.

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Received:June 17,2013
Revised:June 17,2013
Adopted:October 21,2013
Online: January 02,2014
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