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6th January 2010

   Emerson’s Smart Wireless technology validates crude oil
temperature monitoring in storag...
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Wireless presented a cost effective alternative, and having successfully applied
Emerson’s Smart Wireless te...
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“We have been very impressed with the Smart Wireless technology and regard the
installation to be a great su...
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Images

There are two images to accompany this release. The low resolution images can be seen
below and the ...
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Notes for the Editor

About Emerson Process Management

Emerson Process Management (www.EmersonProcess.com)...
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CONTACT ADDRESSES:

If you wish to publish for your readers the contact information for
Emerson Process Man...
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6th January 2010

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6th January 2010

  1. 1. Page 1 of 6 6th January 2010 Emerson’s Smart Wireless technology validates crude oil temperature monitoring in storage tank protection systems at BP Dalmeny terminal, UK Wireless technology reduces installation cost for floating roof temperature measurement application and establishes communications network for future expansion Emerson Process Management’s wireless temperature transmitters have been installed at BP Exploration’s Dalmeny onshore terminal. Once in place the new wireless network confirmed that the existing tank protection system is capable of providing the necessary protection. Dalmeny, located near Edinburgh, UK, has the capacity to store about four million barrels of stabilised crude oil from the Forties oil field. Eight interconnected storage tanks, 40-50m in diameter, are used to regulate the flow of oil between production wells and the tankers or pipeline that will transport it to the refinery. BP was already measuring oil temperature at the side of the tanks. But, because of the size of the tanks there was a concern that there could be a significant difference between temperatures at the edge of the tank and at the centre. A number of measurements were therefore required to confirm any differences in temperature. This presented a challenge because the tanks needed to remain in use, making installation of temperature probes impossible. An out of service tank with no existing temperature measurement in place presented the perfect opportunity to install the necessary instrumentation. However, there was no cabling infrastructure in place for this specific tank so if BP had installed wired transmitters they would have also had to install a cable recoil system to cope with the floating roof. This would have cost over £15,000.
  2. 2. Page 2 of 6 Wireless presented a cost effective alternative, and having successfully applied Emerson’s Smart Wireless technology to monitor wellhead annular pressure at its Wytch Farm site, BP was confident that it would be suitable for this application. “We were keen to install a wireless infrastructure that would enable us to expand and add additional devices beyond this application without the need for additional cabling infrastructure and the cost associated with it,“ said Robin Hamill, electrical instrumentation engineer, BP Exploration Operating Company. “Having reviewed the wireless technologies on the market, we felt Emerson’s Smart Wireless was the best solution.” Two Rosemount® wireless temperature transmitters were installed, one in the centre and one two thirds across to determine if there was a difference in temperatures throughout the tank. A further transmitter was installed on the main inlet feed. The transmitters are located roughly 300m from a Smart Wireless Gateway positioned on the outside wall of the control room. Using a serial connection, data is fed from the gateway into the existing SCADA system. Using the data from the Smart Wireless transmitters, BP discovered that there was not a significant difference in temperature at different points in the tank. “Using Smart Wireless we were able to quickly and cost effectively install the temperature measurement equipment required,” said Hamill. “The results we have obtained mean that we have not needed to add additional devices to the other tanks.” BP continues to measure crude oil temperatures in the tank using the Smart Wireless devices. The wireless transmitters are part of a network that uses self-organising technology. As part of the network, two additional wireless transmitters were placed at strategic positions within the facility to act as repeaters. Despite the long distance, all of the devices communicate directly with the gateway rather than via the repeaters. The extra transmitters increase the reliability of the network by offering additional paths for the data to travel to the gateway should a path become obstructed. The self-organising wireless network adjusts automatically to re-route signals around any obstructions, resulting in greater than 99% communications reliability. The resulting wireless infrastructure enables additional wireless instruments to be added quickly and easily.
  3. 3. Page 3 of 6 “We have been very impressed with the Smart Wireless technology and regard the installation to be a great success,” said Hamill. “This site experiences extreme weather conditions, but this has not affected reliability at all.” Installing the Smart Wireless devices was very easy. It took only a day to complete the entire project including configuring the serial link to the SCADA system. Emerson’s AMS™ Suite predictive maintenance software is used to manage the wireless network. Since the wireless network was installed it has been extremely reliable with no data lost. Smart Wireless is an extension of PlantWeb® digital architecture that offers solutions for field instrumentation and plant operations. In addition to the products installed at the Dalmeny terminal other wireless products include Fisher® position monitors, Rosemount Analytical devices and Machinery Health™ Management transmitters, and native wireless interfaces to Ovation® digital automation systems, and SmartStart® services. For more information about Smart Wireless, visit www.EmersonProcess.eu/SmartWireless, and for videos about growing end-user applications go to www.EmersonSmartWireless.com/Videos. - ENDS -
  4. 4. Page 4 of 6 Images There are two images to accompany this release. The low resolution images can be seen below and the high resolution images can be opened by clicking on the link. Caption Link to high resolution image Emerson’s Smart Wireless Download larger JPG temperature transmitters have been image (500 KB) installed at BP Exploration’s Dalmeny onshore terminal Two Rosemount® wireless Download larger JPG temperature transmitters were image (800 KB) installed to determine if there was a difference in temperatures throughout the tank
  5. 5. Page 5 of 6 Notes for the Editor About Emerson Process Management Emerson Process Management (www.EmersonProcess.com), an Emerson business, is a leader in helping businesses automate their production, processing and distribution in the chemical, oil and gas, refining, pulp and paper, power, water and wastewater treatment, metals and mining, food and beverage, pharmaceutical and other industries. The company combines superior products and technology with industry-specific engineering, consulting, project management and maintenance services. Its brands include PlantWeb® , Fisher® , Micro Motion® , Rosemount® , Daniel® , DeltaV™, Ovation® , and AMS™ Suite. About Emerson Emerson, based in St. Louis, Missouri, USA, is a global leader in bringing technology and engineering together to provide innovative solutions to customers through its network power, process management, industrial automation, climate technologies, and appliance and tools businesses. Emerson’s sales in fiscal 2009 were $20.9 billion. The company is ranked 94th on the Fortune 500 list of America’s largest companies. For more information, visit www.Emerson.com. Rosemount, SmartStart, Micro Motion, Ovation, Fisher, DeltaV, and AMS are marks owned by one of the Emerson Process Management legal entities. Other marks are the property of their respective owners.
  6. 6. Page 6 of 6 CONTACT ADDRESSES: If you wish to publish for your readers the contact information for Emerson Process Management, the relevant information will be: Emerson Process Management Blegistrasse 21 6341 Baar Switzerland Email: infocentral@ap.emersonprocess.com Web: www.EmersonProcess.eu/SmartWireless FURTHER PRESS INFORMATION: Our Ref: 501978Eur Issued by: HHC Lewis Limited 22-26 Commercial Road Southampton SO15 1GE UK Tel: +44 (0)23 8022 6361 Fax: +44 (0)23 8033 1585 Technical enquiries to: Adrian Chesney Email: adrian.chesney@hhc-lewis.co.uk

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