Krohne - M-PHASE 5000

  • Single measurement principle; no radioactive source
  • Fully automated inline fluid characterisation
  • Large dynamic range up to 1:60; full bore design
  • Enhanced reservoir management

The M-PHASE 5000 is a magnetic resonance multiphase flowmeter for applications in the upstream oil and gas industry. It is able to simultaneously measure oil, gas and water flow rates with just one device using a single measurement principle. The M-PHASE 5000 is designed to operate in harsh environments and can be applied for well testing, flow assurance and allocation purposes. The M-PHASE 5000 replaces the need for test separators, and is an ideal alternative to conventional multiphase flowmeters that apply radioactive sources as well as to separation based multiphase flowmeters.

In the magnetic resonance measurement, the hydrogen atoms attached to oil, gas and water molecules are magnetised and subsequently excited by radio frequency pulses. The hydrogen atoms respond to the pulses and send back echoes which are recorded. The amplitude of the echoes and the rate at which they decay is used to calculate the flow rates. The difference in magnetic resonance properties allows making a distinction between the flow rates of oil, gas and water.

The multiphase flowmeter features comprehensive inline fluid characterisation, which in effect removes the need to take samples and eliminates the sample handling processes associated with it. It features a large dynamic range in flow rates (over 1:60) with a high degree of accuracy. The flowmeter automatically compensates for changes in process conditions such as a change in the salinity of water. The M-PHASE 5000 is also able to handle a wide range of flow regimes. Its full bore design virtually eliminates pressure drops. The meter comes with Modbus and Ethernet interfaces as well as IECEx and ATEX Zone 1 certifications.

Product Highlights

  • Fully automated inline fluid characterisation: makes sample handling obsolete and reduces the operating costs of the equipment
  • Flow measurement over a wide dynamic range
    • Gas volume fraction: 0...98%; Water cut: 0...100%
    • Suitable for high water liquid ratios (up to 100%)
  • Insensitive to sand, scale, wax and fouling
  • Full bore design: No moving parts, no wear, no pressure loss
  • Integrated temperature and pressure sensors
  • Engineered solutions available, e.g. mobile configuration, frame, manifold
  • Modbus via RS 485 and Ethernet (other interfaces on request)

Typical Applications

Upstream oil and gas industry

  • Well testing: mobile and fixed installations
  • Production optimisation (gas lift, water injection, water breakthrough detection)
  • Flow assurance (blockage detection due to wax, hydrates, asphaltenes etc.)
  • Production allocation
  • Well performance control
  • Flow measurement even at high water liquid ratios
  • Test separator replacement

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