Emerson’s Norberto Ortigoza presents on the Roxar Multiphase Flowmeter for enabling remote monitoring and data-driven decisions at the Emerson Exchange Americas Virtual Series. Here’s his presentation abstract:
Roxar Multiphase Flow Meters are equipped with multiple sensors providing numerous outputs that combined with remote access allow to perform diagnostics that can go beyond its original purpose of measuring the flow rates of Oil, Gas and Water. Such outputs can be used either to evaluate the Multiphase Flow Meter performance, a change in the process, or even the performance of related equipment to the well production. The presentation emphasizes on a brief explanation of this flow measurement technology following practical examples of how to make the best of it to aid the oilfield management.
Norberto opened showing a comparison between conventional test separators and inline multiphase meters.
There are many advantages in fewer vessels, less piping and continuous measurements with multiphase meters. This enables optimized well pad design and performing continuous flow measurements without the need for separation. It allows you to monitor more wells rather tan spending time on routine manual work resulting in more efficiency and greater productivity.
He showed the main components in the Roxar 2600 multiphase flow meter MVG.
The same MPFM can cover the full operating range through the life of the well with a replaceable Venturi sleeve. Venturi beta ratios range from 0.40 to 0.75. This helps extend service life with an extended operating range and mitigates potential risks when sizing these meters based on predicted production forecasts.
These MPFMs measure flow pressure and temperature, flow rates for oil, water & gas, mixture density, velocity, and permittivity & conductivity. These measurements enable actionable insights and assist in informed decision making in parameters & stability, calibration analysis, contamination presence, meter input verification, sizing verification, and help of the MPFM components.
Norberto shared some data-driven examples. The first was providing insight into the health of the well by viewing the production data in real-time and comparing against the historical production data. Flow patterns are visible through the trending of different multiphase measured parameters.
A second example is using the production data such as pressure, temperature & differential pressure, and diagnostics data history to improve the fracking process. One meter per well provides a full overview of field production to help drive future decisions. Also, looking at process velocity and conductivity can provide evidence on an offset frac.
Another example is using permittivity and conductivity trends to determine process contamination and detect pipeline layer buildup which can affect the entire process. Monitoring velocity is important in optimizing well production processes. Velocity boundaries are set to verify points outside the multiphase meter envelope.
Gas calibration verification can be performed evaluating data during no flow periods to help optimize the calibration cycles on the meters.
The examples provide ways to digitally transform well pad production operations by improving access to information to inform better decisions in well production and ongoing operations and maintenance.
Visit the Multiphase Flow Meter and Oil & Gas sections on Emerson.com for more on this and other technologies and solutions to drive optimized and efficient oil & gas production.
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