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Haimo Multiphase Flow Meter for Real-Time Oil Water Gas Fraction Measurement at Wellheads
Quick Answer: Haimo multiphase flow meters measure oil, water, and gas fractions at the wellhead without a test separator. The meter reports live flow rates for each phase and tracks water cut. Silver Automation Instruments supplies these meters with pressure ratings up to 10000 psi and temperature ratings from minus 20 degrees Celsius to 120 degrees Celsius.
Oil and gas operators in Southeast Asia, the Middle East, and Latin America often ask us how to reduce well testing costs. The practical answer is to put a Haimo multiphase flow meter directly on the flowline. This meter sits on the wellhead and reports oil rate, water rate, gas rate, and water cut in real time. No test separator. No long stabilization time.
How Haimo Multiphase Flow Meter Works at the Wellhead
Haimo multiphase flow meters combine several sensors in one body. A Venturi section measures total flow rate. A dual energy gamma ray detector reads phase fractions. Pressure and temperature transmitters send live PVT data to the flow computer. The flow computer then calculates standard oil, water, and gas volumes. In practice this means an operator sees oil rate in barrels per day, water rate in barrels per day, and gas rate in million standard cubic feet per day.
The Venturi meter has no moving parts. The gamma source is shielded and meets international transport rules. This design suits remote wellheads where maintenance access is limited.
Key Specifications for Wellhead Multiphase Flow Meters
A typical Haimo wellhead multiphase meter handles pipe sizes from DN50 to DN150. Pressure ratings go up to 10000 psi for high pressure wells. Temperature ratings cover minus 20 degrees Celsius up to 120 degrees Celsius. The meter outputs 4-20 mA HART signals and Modbus RTU. Some gas wellheads need ATEX Zone 1 certification. Silver Automation Instruments confirms the certification codes before quotation.
Liquid flow rate accuracy is plus or minus 2.5 percent of rate. Gas flow rate accuracy is plus or minus 5 percent of rate. Water cut accuracy is plus or minus 2 percent absolute across the full range. The turndown ratio is typically 10 to 1. This means one meter covers many well production periods.
Why Wellhead Operators Replace Test Separators
Test separators need stable flow, long stabilization time, and frequent manual sampling. A multiphase meter skips those steps. One technician can check the data from the flow computer every shift. We have seen this on customer sites many times across Indonesia, Oman, and Nigeria. The meter reads live water cut and gas liquid ratio. This matters for electric submersible pump wells and gas lift wells. The data trend shows water breakthrough earlier than manual well tests
Here is the thing. Many operators keep the test separator for monthly checks. The Haimo meter fills the daily data gap. You get continuous well performance without sending a crew to each wellhead.
Installation and Commissioning Details
Install the meter in a straight run of flowline. The required upstream straight length depends on the pipe size and flow conditioner. Most wellhead installations need 5D upstream and 3D downstream. The flow computer mounts on a local panel or inside an existing instrument cabinet. Make sure grounding is correct. Poor grounding causes signal drift and inaccurate water cut readings. We tell every installer to check grounding before powering the gamma detector.
Commissioning takes one full shift on average. The Silver Automation Instruments team can support remote setup via video call. The meter stores raw sensor data for trending and diagnostics.
Model Selection and Ordering Data
For wellhead installations, most customers select the Haimo compact multiphase flow meter. You need to define the maximum gas volume fraction, minimum liquid rate, and maximum water cut. Also send us your wellhead pressure in bar, flowing temperature in Celsius, pipe size in DN, and expected flow range in kg/h or barrels per day. Silver Automation Instruments will recommend the right meter size and flow computer package.
Contact us directly at Tel: +86-25-68650347. Whatsapp: +86-25-52155837. WeChat: +86 15365082610.
FAQ
What fluid types does a Haimo multiphase flow meter handle?
Haimo multiphase meters handle crude oil, water, and associated gas. They also work on condensate wells and wet gas wells. Send us your fluid composition and we check the gamma ray calibration range.
What is the typical accuracy for oil water and gas fraction measurement?
Typical liquid flow rate accuracy is plus or minus 2.5 percent of rate. Gas flow rate accuracy is plus or minus 5 percent of rate. Water cut accuracy is plus or minus 2 percent absolute across the full range.
Can the Haimo meter replace a test separator completely?
Yes for many wellhead applications. The meter does not need separation. It reports phase fractions in real time. Some regulators still require periodic well tests. Check local rules in your country.
What data outputs does the meter provide?
The flow computer gives Modbus RTU, Modbus TCP, and 4-20 mA HART outputs. It stores flow history and trend data. You can connect the meter to a SCADA system or a remote terminal unit.
How do I get a price for a Haimo multiphase flow meter?
Send us your wellhead pressure in bar, temperature in Celsius, pipe size in DN, gas volume fraction, and flow range. We will respond with a quotation within two working days. Use the contact details above.
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