Page 109 - Industrial Plants 2014

pressure and bore size from the fixed bean choke Rosemount 3051S
determine the flow rate) and another on the WirelessHart pressure
downstream side to help with troubleshooting. Two transmitters on a dual
wells were dual-stream, utilizing a single upstream injection stream well
transmitter. A Smart Wireless Gateway, where
process variables as well as process and instrument
diagnostics are converted to Modbus TCP/IP data,
was installed as well. A ProSoft Technology 802.11
industrial broadband radio provided a backhaul
network, or a robust wireless network for long
distances, to connect the gateway to an industrial
PC in the office a mile away.
Once communications were established and tested,
the first step was complete. However, the company
still had to find a convenient way to make the real- Oil production wells

time wellhead data accessible company-wide so The project paid for itself in months. With this
that it could be stored, trended and analyzed to success, PXP continued to invest in wireless by
solve problems before production could be adding twenty seven 8800 MultiVariable™ Vortex
impacted. The customer also wanted meters with WirelessHart Thums to
to test the performance of the Three industrial the network to measure the mixture
instruments. A 3rd party was brought radios provide the of oil and water out of the producing
in to test the true steam injection backhaul to reliably wells. These low-maintenance
levels and compare them with the communicate data to devices update production data for
chart recorders and the new high the offce a mile away. operators every minute on every well
performance 3051S wireless pressure Deployment of the instead of once a day only on those
transmitters. Once Emerson wireless wireless techology wells that are in test. Therefore, they
technology proved it could handle the was made easy with are no longer blind to what the
sparse distribution of transmitters on Emerson’s AMS Suite. majority of the wells which are not in
the large area that incorporated the Emerson’s highly test are doing.
four wells (spaced 150 feet apart and engineered tools Now operators get flow rate, flow
located 0.25 miles from the nearest take the complexity total, and temperature for each of the
gateway), PXP rolled out the bulk of of confguration, wells. The temperature is used to
the project, implementing a total of installation, and determine how hot the production is
249 WirelessHart transmitters and 4 startup out of the emerging to indicate not only that
WirelessHart gateways on 120 wells user’s hands steam is reaching the well, but to
across an area of one square mile. provide further field intelligence on
Three industrial radios provide the whether the pattern injection wells are
backhaul to reliably communicate data to the office being over- or under-injected. For diagnostics, the
a mile away. Deployment of the wireless technology shedder bar frequency is also monitored. This
was made easy with Emerson’s AMS Suite. provides intelligence to the operators if any process
Emerson’s highly engineered tools take the disruptions are affecting the meter, so maintenance
complexity of configuration, installation, and startup can remedy the problem and minimize the impact on
out of the user’s hands. production.

Daniela Bastico

Daniela is Marketing Communication Manager, Emerson Process Management Italia

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