Clean Oil and Gas Well Testing System

FIELD: oil and gas industry. SUBSTANCE: invention is referred to fluid measurement systems and methods, in particular, to measurement of fluid multiphase flow. Clean oil and gas well testing system for a group of oil and gas systems includes at least two clean oil and gas measurement systems and multitude of valves interconnected by fluid with single wells in the group and rearranged independently between the first position wherein the valve directs flow to the first clean oil and gas measurement system and the second position wherein the valve directs flow to the second clean oil and gas measurement system. Each clean oil and gas measurement system can measure multiphase flow that includes oil, gas and water without separation. Each clean oil and gas measurement system includes multiphase Coriolis flow meter and watercut meter. Each measurement system may provide potential dynamic uncertainty estimates related to change in multiphase flow respectively. EFFECT: improved accuracy of analysis for three component mixture of oil, water and gas, which is specific for majority of oil well products