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Accuflow Flow Meter: Petroleum Oil and Gas Mixed Stream Trackers
Quick Answer: Accuflow flow meters are used in petroleum oil and gas mixed stream tracking at wellhead testing, separator liquid discharge, and allocation skids. For streams where gas volume fraction changes, Silver Automation Instruments supplies Coriolis mass flow meters with direct mass output. Send pipe size (DN), pressure (bar), temperature (°C), and flow range for a quote.
Where Accuflow Flow Meters Are Used in Oil and Gas
Petroleum oil and gas mixed stream trackers appear in wellhead testing, produced water legs, separator liquid discharge, and small allocation skids. A typical site in Southeast Asia, Latin America, or the Middle East will run crude oil, condensate, produced water, and natural gas through the same piping. The flow is not always stable. In practice, gas breakout happens when pressure drops after a choke valve. Liquid viscosity changes when temperature falls. That is why an operator cannot just pick a meter from a catalogue and install it.
Accuflow flow meters have been used on low gas volume liquid lines because the mechanical design can handle some gas pockets. Common sizes range from DN15 to DN100. Many installed bases sit in Malaysia, Indonesia, Oman, Mexico, and Nigeria. These locations often have high ambient temperature and limited clean power. A simple meter with local totalization helps.
Mixed Stream Measurement Challenges
Oil and gas mixed streams create three main problems. Density changes because gas bubbles occupy volume. Viscosity changes as light condensate mixes with heavy crude. Flow profile changes when slugs of gas and liquid alternate in the pipe. A displacement meter can read high when gas pockets pass through. A turbine meter can overspeed. A Coriolis meter with entrained gas handling can keep output stable under many conditions.
Most engineers skip this part. They check accuracy on a liquid calibration bench and forget the gas effect. That is why we ask for gas volume fraction before quoting. Silver Automation Instruments supplies Coriolis flow meters with digital signal processing that detects gas bubbles and corrects mass flow calculation. For water cut measurement, electromagnetic flow meters work well on the separated water line.
Accuflow Meter Typical Signals and Installation Data
Accuflow flow meters in oil and gas service commonly output pulse and 4-20 mA. Some models have HART communication for remote diagnostics. Pressure ratings up to 100 bar and temperature ratings up to 150 °C cover most separator and wellhead applications. ATEX Zone 1 or IECEx certification is required in many countries. When you replace an older Accuflow meter with a Silver Instruments Coriolis meter, the wiring and signal often match. You can keep the same PLC input card if you order 4-20 mA HART output.
Silver Automation Instruments Alternative for Mixed Stream Trackin
Here is the thing. An Accuflow flow meter can work well on a stable liquid stream with low gas content. But a petroleum oil and gas mixed stream changes hour by hour. Last year a customer in Vietnam asked us about replacing an old Accuflow style meter on a produced water and oil line. The gas content changed from 2 percent to 12 percent within one hour. We supplied a DN25 Coriolis meter with 4-20 mA HART, pulse output, and ATEX Zone 1 approval. The meter has run for 9 months without recalibration. The customer sent us a second order for three more units.
Silver Automation Instruments offers Coriolis mass flow meters from DN10 to DN150. Pressure up to 100 bar, temperature from -50 to 200 °C, and accuracy 0.2 percent of reading for liquid. Output options include 4-20 mA HART, pulse, RS485 Modbus. We also supply oval gear flow meters for diesel and crude oil, electromagnetic flow meters for produced water, and vortex flow meters for gas flow.
How to Select a Meter for Oil and Gas Mixed Streams
Send these five values and we will recommend a model. Pipe size in DN. Pressure in bar. Temperature in °C. Flow range in kg/h or L/min. Gas volume fraction in percent. If the gas volume fraction stays below 5 percent, a positive displacement or oval gear meter may be cost effective. If it changes or goes above 10 percent, a Coriolis mass flow meter is a safer choice. Silver Instruments can provide calibration reports and material certificates for 316L stainless steel, Hastelloy C, or other wetted parts.
FAQ
Can Accuflow flow meters measure gas and oil mixed together?
Low gas content below 5 percent can be corrected with temperature and pressure compensation. Higher gas content needs a Coriolis meter or multiphase flow meter.
What output signals do Accuflow and Silver Instruments meters provide?
4-20 mA HART, pulse, RS485 Modbus. Some units have a local display and two relay outputs.
What pipe sizes are common for oil and gas mixed stream tracking?
DN15 to DN100 for liquid legs. DN50 to DN150 for main production headers. Larger sizes are available on request.
Are these meters safe for Zone 1 hazardous areas?
Yes. Silver Instruments supplies ATEX and IECEx certified meters. Specify gas group and temperature class when you order.
How do I request a price for a flow meter for mixed oil and gas?
Send pipe size, pressure, temperature, flow range, and gas volume fraction to Silver Automation Instruments. We reply within 24 hours.
Contact Silver Automation Instruments for a quotation. Silver Automation Instruments is a flow meter manufacturer and supplier for Coriolis, electromagnetic, ultrasonic, vortex, oval gear, and thermal mass flow meters. Tel: +86-135-1213-1526. Whatsapp: 86-135-12131526. WeChat: +86 13512131526. Tell us your pipe size (DN), pressure (bar), temperature (°C), and flow range. A technical sales engineer will reply with model options and lead time.
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