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Petroleum and natural gas industries. Completion fluids and materials. Procedures for measuring the long term conductivity of proppants. Original standard UNE-EN ISO 13503-5-2006 in PDF full version. Additional info + preview on request

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Petroleum and natural gas industries. Completion fluids and materials. Procedure for measuring leakoff of completion fluids under dynamic conditions. Original standard UNE-EN ISO 13503-6-2014 in PDF full version. Additional info + preview on request

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Technical product documentation. Organization and naming of layers for CAD. Overview and principles. Original standard UNE-EN ISO 13567-1-2017 in PDF full version. Additional info + preview on request

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Petroleum and natural gas industries. Drilling and production equipment. Design and operation of marine drilling riser equipment. Original standard UNE-EN ISO 13624-1-2009 in PDF full version. Additional info + preview on request

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Petroleum and natural gas industries. Drilling and production equipment. Marine drilling riser couplings. Original standard UNE-EN ISO 13625-2002 in PDF full version. Additional info + preview on request

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Petroleum and natural gas industries. Drilling and production equipment. Drilling and well-servicing structures. Original standard UNE-EN ISO 13626-2004 in PDF full version. Additional info + preview on request

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