• Hydrogen Technologies Standards form the basic framework for market ramp-up

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  • Climate change Standards and specifications support climate targets

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  • Smart Farming Standards and specifications are drivers for the digitalization of agriculture

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Publications of CEN/TC 12

Order from DIN Media
DIN EN ISO 13503-1 2012-01 Standards Petroleum and natural gas industries - Completion fluids and materials - Part 1: Measurement of viscous properties of completion fluids (ISO 13503-1:2011); English version EN ISO 13503-1:2011 More  Order from DIN Media
DIN EN ISO 13503-2 2025-04 Standards Oil and gas industries including lower carbon energy - Completion fluids and materials - Part 2: Measurement of properties of proppants used in hydraulic fracturing and gravel-packing operations (ISO 13503-2:2024); English version EN ISO 13503-2:2024 More  Order from DIN Media
DIN EN ISO 13503-3 2022-10 Standards Petroleum and natural gas industries - Completion fluids and materials - Part 3: Testing of heavy brines (ISO 13503-3:2022); English version EN ISO 13503-3:2022 More  Order from DIN Media
DIN EN ISO 13503-4 2007-02 Standards Petroleum and natural gas industries - Completion fluids and materials - Part 4: Procedure for measuring stimulation and gravel-pack fluid leakoff under static conditions (ISO 13503-4:2006); English version EN ISO 13503-4:2006 More  Order from DIN Media
DIN EN ISO 13503-5 2006-10 Standards Petroleum and natural gas industries - Completion fluids and materials - Part 5: Procedures for measuring the long-term conductivity of proppants (ISO 13503-5:2006); English version EN ISO 13503-5:2006 More  Order from DIN Media
DIN EN ISO 13503-5 2026-06 Draft standard Oil and gas industries including lower carbon energy - Completion fluids and materials - Part 5: Measuring conductivity of proppants (ISO/DIS 13503-5:2026); English version prEN ISO 13503-5:2026 More  Comment draft
DIN EN ISO 13503-6 2014-07 Standards Petroleum and natural gas industries - Completion fluids and materials - Part 6 : Procedure for measuring leakoff of completion fluids under dynamic conditions (ISO 13503-6:2014); English version EN ISO 13503-6:2014 More  Order from DIN Media
DIN EN ISO 13533 2002-12 Standards Petroleum and natural gas industries - Drilling and production equipment - Drill-through equipment (ISO 13533:2001); German version EN ISO 13533:2001 (Text in German and English) More  Order from DIN Media
DIN EN ISO 13533 Berichtigung 1 2006-11 Standards Petroleum and natural gas industries - Drilling and production equipment - Drill-through equipment (ISO 13533:2001); German version EN ISO 13533:2001, Corrigenda to DIN EN ISO 13533:2002-12; German version EN ISO 13533:2001/AC:2006 More  Order from DIN Media
DIN EN ISO 13534 2001-09 Standards Petroleum and natural gas industries - Drilling and production equipment - Inspection, maintenance, repair and remanufacture of hoisting equipment (ISO 13534:2000); German version EN ISO 13534:2000 More  Order from DIN Media

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