DS DS/EN ISO 13503-1
DS DSEN SO 13503-1 2012-JAN-11 Petroleum and natural gas ndustres - Completon fluds and materals - Part 1 Measurement of vscous propertes of completon fluds
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This part of ISO 13503 provides consistent methodology for determining the viscosity of completion fluids used in the petroleum and natural gas industries. For certain cases, methods are also provided to determine the rheological properties of a fluid.