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『Emerson Multiphase Flow Meter Technology: Subsea and Topside Oil, Water, and Gas Monitoring』Related information(v cone flow meter|rotary gas meter|gallon meter|gear meter|metal tube rotameter|glass tube rotameter|nutating disk meter|transit time ultrasonic flow meter|wedge flow meter|pd meters|hydraulic flow meter|ultrasonic water flow meter|water flow meter|air flow meter|magnetic water flow meter|oxygen flow meter|gas flow meter|argon flow meter|air velocity meter|gasoline flow meter|fuel flow meter|ultrasonic water meter|digital water meter|nitrogen flow meter|solid flow meter|Oxygen tank flow meter|digital water flow meter|diesel fuel flow meter|steam flow meter|02 flow meter|compressed air flow meter|oil flow meter|liquid flow meter)
Emerson Multiphase Flow Meter Technology for Subsea and Topside Oil, Water, and Gas Monitoring
Quick Answer
Emerson multiphase flow meter technology covers subsea and topside oil, water, and gas monitoring without a test separator. Subsea units handle deep water and high pressure. Silver Automation Instruments supports these systems with single phase flow meters, pressure transmitters, and spare measurement loops for gas, produced water, and chemical injection.
How Emerson Multiphase Flow Meter Technology Works
Emerson uses the Roxar multiphase meter platform. The meter combines a venturi element, electrical impedance sensors, and gamma densitometry. The venturi measures total flow rate. Electrical sensors measure water liquid ratio. Gamma densitometry measures mixture density. The flow computer calculates oil, water, and gas fractions from these inputs.
No moving parts sit in the flow path. Because subsea interventions are expensive, that design choice reduces maintenance risk. In practice, operators use these meters for well testing and production allocation. The same measurement principle works on topside and subsea installations.
Subsea Oil, Water, and Gas Monitoring
Subsea Emerson multiphase meters install on wellheads, manifolds, and tieback lines. Many models are qualified for water depths up to 3000 meters. Pressure ratings can reach 15,000 psi depending on the body and flange class. Materials include duplex stainless steel and Inconel for sour service and high salinity brine.
These meters send data through the subsea control system. Common outputs include Modbus and 4-20 mA HART. The data stream supports flow assurance decisions and helps operators reduce intervention costs.
Topside Oil, Water, and Gas Monitoring
On offshore platforms and FPSO vessels, Emerson multiphase meters often replace test separators. A single meter can test multiple wells through a manifold. That saves deck space and cuts manual sampling time. Some fields still use a separator for calibration checks.
For produced water discharge lines, gas lift lines, and chemical injection lines, a full multiphase meter is often unnecessary. Silver Automation Instruments supplies electromagnetic flow meters for produced water from DN15 to DN600. These meters need a minimum fluid conductivity of 0.5 µS/cm and support 4-20 mA HART output.
Where Silver Instruments Fits the Measurement Scope
Most oil and gas projects need both multiphase meters and single phase meters. A gas lift line may need a vortex flow meter. A diesel line may need an oval gear flo
Silver Instruments supplies these single phase instruments for customers in Vietnam, Malaysia, Indonesia, Nigeria, and the Middle East. Last year a gas processing plant in Indonesia asked us for a DN150 vortex flow meter on a fuel gas line. The plant pressure was 21 bar and gas temperature was 48 °C. We supplied a meter with a pulse output and a local display.
Recommended Silver Instruments Models for Oil and Gas Applications
Use a Coriolis mass flow meter for bunkering and crude oil transfer. A Coriolis meter works well when you need mass flow and density in one instrument. Use an electromagnetic flow meter for produced water and brine. Use a vortex flow meter for steam, compressed air, and gas lift. Use a thermal mass flow meter for flare gas and fuel gas. For viscous fuel oil and chemical injection, an oval gear flow meter handles viscosities up to 1000 cP. Pressure transmitters and paperless recorders complete the measurement loop.
Silver Instruments hazardous area models meet ATEX Zone 1 and Zone 2 requirements. Many instruments output 4-20 mA HART, Modbus RTU, or pulse. PT100 temperature compensation is available on thermal mass and Coriolis models.
FAQ
Does an Emerson multiphase flow meter work without a separator? Yes. The meter measures oil, water, and gas fractions directly in the pipe. The meter uses a venturi and electrical sensors.
What is the typical water depth rating for subsea units? Many Emerson subsea multiphase meters are qualified for 3000 meters. Check the specific model and project requirements before ordering.
Can Silver Instruments replace an Emerson multiphase meter? Not for full three phase measurement. But Silver Instruments can supply the single phase flow meters and pressure transmitters around the multiphase meter.
What information should I send for a quote? Send your pressure in bar, temperature in °C, pipe size in DN, flow range in kg/h or m3/h, fluid type, and hazardous area classification.
Does Silver Instruments serve offshore projects in Southeast Asia and Australia? Yes. We work with customers in Malaysia, Indonesia, Vietnam, Thailand, and Australia. We ship to onshore and offshore sites.
Contact Silver Automation Instruments
Need a flow meter for an oil, water, or gas line. Contact Silver Automation Instruments. Tel: +86-25-68650347. Whatsapp: +86-25-52155837. WeChat: +86 15365082610. Web: flow-meter.com.au. Send your process parameters and get a specific model recommendation.