EMIS-MASS 260 mass flowmeter produced by EMIS CJSC, Chelyabinsk was installed at the well No3176 of No2 Yuzhnoarlansky oil and gas production workshop of Yuzhnoarlansky field of Arlanneft production unit of Bashneft-Dobycha on March 01, 2013.

Trial operation was held from March 01, 2013 till January 13, 2014.

EMIS-MASS performed stable operation. No failures and emergency were detected.

Flow rate data correspond to the operational data provided by the technological service of No2 Yuzhnoarlansky oil and gas production workshop.

The mass flow meter EMIS-MASS 260 has performed as a reliable device that provides accurate and stable measurements of oil well products.