monitoring produced water: case study challenges and successes [email protected]...
TRANSCRIPT
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Monitoring Produced Water: Case Study Challenges and
Successes
www.envirotechsystems.com
www.advancedsensors.co.uk
[email protected]@envirotechsystems.com
17327 Norwell DriveCovington, LA 70435Phone: 985-809-6480
Presentation by: Gerard Cooke
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History• Major Oil Company in the GoM was facing
issues with water treatment equipment at multiple facilities
• Existing monitoring equipment not working satisfactorily
• One of the facilities was issued an NPDES discharge violation after a sheen resulted from an overnight equipment failure
• Looking for ways to improve the water treatment process and early detection
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Challenges
• Know what is going on!
• Make changes and improvements
• Trust the data
• React to what is known
• Use data to make process control decisions
• Automate the process
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Reliability and Trust
Cleaning
• Cleaning has always been a major problem with monitors
• “Oil in water monitors do not work”
• Customer was not convinced monitor could automatically clean
• Over time trust was built up with automatic cleaning leading to less and less lab samples
glass clean_med2.wmv
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Equipment Selection• Factors to
Consider
• Reliability
• Dependability
• Monitoring at Multiple Points in the System
• Side-Stream vs In-Line
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Installation
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Early Data
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Later Installations
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Data• Graph represents 17 months of data for discharge (Oct ‘11 – Feb
‘13)
0 5 10 15 20 25 30 35 40 45 500
2
4
6
8
10
12
14
16
18
Gravimetrics Vs. OIW Analyzer
Lab GravimetricsAdvanced Sensor
Number "By Month"
PPM
Val
ue
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SuccessesZero Noncompliance Violations Since
Installation • Since the monitors have been
deployed in the Gulf of Mexico, the oil company has had zero NPDES violations
• Similar configuration now deployed on 7 platforms in GoM with more to follow in 2013
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Conclusion
• Monitoring multiple locations not only insures no violations but provides early detection indicators and cost saving
• Cost saving not only from zero violation but also from process monitoring i.e. chemical usage optimisation
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www.envirotechsystems.com
www.advancedsensors.co.uk
Questions???