Petroleum and natural gas industries. Steel drill pipe
Petroleum and natural gas industries. Steel drill pipe
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BS EN ISO 11961:2008 Petroleum and natural gas industries. Steel drill pipe BS EN ISO 11961 specifies the technical delivery conditions for steel drill-pipes with upset pipe-body ends and weld-on tool joints for use in drilling and production operations in petroleum and natural gas industries for three product specification levels (PSL-1, PSL-2 and PSL-3). The requirements for PSL-1 form the basis of BS EN ISO 11961. The requirements that define different levels of standard technical requirements for PSL-2 and PSL-3 are in Annex G. BS EN ISO 11961 covers the following grades of drill-pipe: Grade E drill-pipe High-strength grades of drill-pipe, grades X, G and S. A typical drill-pipe configuration is given, showing main elements and lengths. The main dimensions and masses of the grades of drill-pipe are given in both SI units and in USC units. BS EN ISO 11961 can also be used for drill-pipe with tool joints not specified by ISO or API standards. By agreement between purchaser and manufacturer, BS EN ISO 11961 can also be applied to other drill-pipe body and/or tool-joint dimensions. BS EN ISO 11961 lists supplementary requirements that can optionally be agreed between purchaser and manufacturer, for testing, performance verification and non-destructive examination. BS EN ISO 11961 does not consider performance properties. Contents of BS EN ISO 11961:
Foreword Introduction Scope Conformance Dual citing of normative references Units of measurement Normative references Terms, definitions, symbols and abbreviated terms Terms and definitions Symbols and abbreviated terms Information to be supplied when placing orders for drill-pipe Requirements for drill-pipe General Dimensions, masses and c...
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