NB/T 10402-2020Technical and economic index and calculation method of shale gas well factory drilling (English PDF)

NB/T 10402-2020 is the English-translated version of 页岩气工厂化钻井技术经济指标及计算方法.

NB/T 10402-2020 is a recommended Chinese energy industry standard that defines the technical and economic indicators used for shale gas well factory drilling and the methods by which they are calculated.

Alongside its normative references, terms and definitions, it sets out a classification of drilling time and a classification of timeliness, from which the indicators are derived.

The calculation methods are stated so that the indicators are arrived at in one consistent way. Its field of application is onshore shale gas factory drilling operations.

GB/T 28911 and SY/T 5841 are the documents it cites. Issued on 23 October 2020, it has applied since 1 February 2021.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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