Technology at Work: World's first all-electric, multi-zone, intelligent well ///
For the first time, well injection rates from two zones are being remotely monitored and controlled, via satellite link, from an office located 165 mi (265 km) from the well site. The well (VRG-7D) is in Brazil’s Varginha field, and the office is in Petrobrás’ operational base in Natal. This was achieved with the world’s first all-electric, multi-zone, intelligent-well system, installed last May.
Baker Oil Tools’ InCharge Intelligent Well System was deployed in the onshore water-injection well prior to a 2002 subsea installation in Campos basin. The system controls flow while measuring pressure and temperature in real time, using infinitely variable chokes monitored with onboard pressure / temperature gauges and a downhole venturi flowmeter. As water is injected into a zone, the engineer can see, in real time, upstream and downstream pressure changes and the direct impact of water flowing into each injection zone.
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