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- W2369349503 abstract "There exist problems in horizontal holes in Shan 1 section of Shanxi group in Daniudi Gasfield,such as low penetration rate,long drilling cycle,short service life of single drilling bit and less footage.Therefore,a new type of P5235MJ PDC bit with double-row cutting teeth was developed.Taking the reservoir geologic feature and the Shan 1 section core microbit test result as the basis,the profile,tooth arrangement and hydraulic structure of the bit crown were optimized in combination with the field use of the bit.The field application shows that this type of bit has a better adaptability to the formation of Shan 1 section.Compared with the penetration rate and footage of other types of bit,the average footage of this PDC bit improves by 44.91% and the average penetration rate improves by 34.52%." @default.
- W2369349503 created "2016-06-24" @default.
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- W2369349503 date "2012-01-01" @default.
- W2369349503 modified "2023-09-25" @default.
- W2369349503 title "Research and Application of PDC Bit used in the Horizontal Holes in Shan 1 Section of Daniudi Gasfield" @default.
- W2369349503 hasPublicationYear "2012" @default.
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