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High Pressure Coriolis Flow Meter: Elite Mass Sensors for Deep Well Probes
Quick Answer: Silver Instruments supplies high pressure Coriolis flow meters rated from 100 bar to 400 bar for deep well probe service. These elite mass sensors measure mass flow, density and temperature direct, with no moving parts. Send your pressure in bar, temperature in degrees C, pipe size DN and flow range for a specific quote.
Deep well probes in oil and gas fields demand a flow meter that handles rapid pressure swings, abrasive sand and mixed phase flow. A standard flow meter with a mechanical sensor often drifts or fails after a few months. Silver Automation Instruments supplies high pressure Coriolis flow meters for wellhead test separators, deep well probe skids and production lines. The measurement principle is direct mass, not volumetric.
Why Deep Well Probes Need High Pressure Coriolis Meters
Downhole and wellhead pressures in deep well probes often exceed 200 bar. In Southeast Asia and the Middle East, many operators run well test separators at 250 to 345 bar. The Coriolis meter must survive full shut-in pressure without leaks or tube deformation. Silver Instruments rates the high pressure Coriolis flow meter up to 400 bar, with a 1.5 safety factor tested on each unit.
Last year a customer in Vietnam asked us for a high pressure meter on a wellhead test separator. The required rating was 345 bar and flow range 0 to 5000 kg/h. We supplied a DN25 Coriolis meter with 316L wetted parts and ATEX Zone 1 certification.
Because a Coriolis meter has no bearings or rotors, the meter handles slugs of gas and liquid better than a turbine meter or an oval gear meter. The tolerance matters when a deep well probe starts flowing gas, condensate and brine in the same line. The meter measures mass flow direct, so density changes do not ruin accuracy.
Elite Mass Sensors: Measured Variables and Accuracy
The elite mass sensor tube on the Silver Instruments high pressure Coriolis meter is available in 316L stainless steel or Hastelloy C22. The tube wall is thick enough for deep well pressure but thin enough to keep natural frequency high. The meter reads mass flow rate in kg/h, volume flow in m3/h, density in g/cm3, and temperature in degrees C.
Accuracy is 0.1 percent of rate for liquids and 0.5 percent for gas. Density repeatability is better than 0.0005 g/cm3. A deep well probe operator can see water cut change as the well produces more brine. The same signal also goes to the control room using 4-20 mA HART or Modbus RTU.
Specs That Matter for Oil and Gas Deep Well Probes
For DN15 to DN50 wellhead probe skids, specify the Silver Instruments HP series with a 400 bar pressure rating. For DN80 to DN150 lines, the standard 250 bar rating is often enough. Wetted parts include 316L stainless steel and Hastelloy C22. Process temperature range is -50 to 180 degrees C.
- Pressure rating: 250 bar standard, 400
- Accuracy: 0.1 percent of rate for liquids
- Wetted materials: 316L stainless steel, Hastelloy C22
- Output: 4-20 mA HART, pulse, Modbus RTU optional
- Certification: ATEX Zone 1, IECEx, SIL 2 optional
- Line sizes: DN15, DN25, DN40, DN50, DN80, DN100, DN150
Installation on Wellhead Test Separators and Probe Skids
Many oil and gas operators mount the meter on a wellhead test separator skid. The meter body needs to be braced close to the probe outlet to avoid vibration false readings. We have seen this on customer sites many times: a loose bracket causes zero drift in high vibration. The HP series includes a rigid mounting bracket and short inlet and outlet straight runs.
In practice, most engineers skip the full flow computer integration at first. Most engineers start with the local display and 4-20 mA HART output to the PLC. Once the well test data matches the downhole gauge, the team adds Modbus RTU for remote monitoring.
What to Send for a Deep Well Probe Quote
Do not send a general inquiry. The price of a high pressure Coriolis flow meter changes a lot with pressure class, wetted material and certification. Send these four values:
- Pressure in bar
- Temperature in degrees C
- Pipe size DN
- Flow range in kg/h or m3/h
Also mention gas volume fraction, viscosity in cP, and whether the fluid contains sand or hydrogen sulfide. Those values and fluid conditions help our engineers select the right seal material and PT100 class.
You can reach Silver Automation Instruments by Tel at +86-25-68650347, Whatsapp at +86-25-52155837, or WeChat at +86 15365082610. For direct quotes, send your pressure in bar, temperature in degrees C, pipe size DN and flow range. See the full range at flow-meter.com.au.
FAQ: High Pressure Coriolis Flow Meter Questions
What pressure rating does the HP Coriolis meter cover?
Standard rating is 250 bar. Optional high pressure version reaches 400 bar. The DN25 and DN40 sizes are most common for deep well probe skids.
Can the meter handle gas and liquid two phase flow?
Yes. The Coriolis sensor keeps mass measurement reliable even when slug flow occurs. Above 10 percent gas volume fraction, we recommend a smaller sensor size to reduce damping.
Which certifications are available for oil and gas installations?
ATEX Zone 1, IECEx and SIL 2 are available. Wetted parts can be 316L stainless steel or Hastelloy C22 for sour service.
What output signals does the high pressure Coriolis meter support?
Standard output is 4-20 mA HART plus pulse. Modbus RTU is optional. The local display shows mass flow, density and temperature.
How fast can Silver Instruments quote?
Most quotes go out in 24 hours if you send pressure, temperature, DN size and flow range. Contact Tel +86-25-68650347 or Whatsapp +86-25-52155837.