Leak detection technologies for the oil and gas industry · Leak detection technologies for the oil...
Transcript of Leak detection technologies for the oil and gas industry · Leak detection technologies for the oil...
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Leak detection technologies for the oil and gas industry Chris Neidre Alex Robertson July 17, 2015
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Our company
Leek’s most recent milestones - Created as a division of Seacoast Science in 2013 - Spun-off February 2015 - Privately held CA C-Corp - Focus on sensors for bulk oil and gas leak detection - Finalist for Connect’s Most Innovative New Product award
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Why we created the new technology
Pulled by the market - Enrbidge Energy & Syscor Controls - Hydrocarbon leaks often go undetected - A real time leak detector is needed - No viable suppliers - Can we identify a suitable technology? - Driving factor for Leek was massive market opportunity
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Previous state of the art sensors
Polymer Absorptive Sensors (PAS) - Polymer coated resistor - Original patent in 1959 - Fuel leak detection - Extensive EPA evaluation in 1980s - Incorporated into safety systems - Couldn’t detect methane, fell out of favor - Replaced by other technologies
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Technology Limitations
Adsistor Technologies - Original developer - Ultra low volume “production” - Not positioned to evolve their technology
Alternative Technologies - Sensitive to water - Not reversible or must be cleaned after detection - Can only see liquid (not vapor) - Expensive (>$5k) - Short lifespan (<2 years)
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Concept of Operation
Chemiresistor-based Polymer Absorption Sensor - Resistive placed platform (versus capacitive or others) - Specialty coated polymer expands - Conductive particles spread apart - Resistance increases
+ - Polymer
Conductive Coating
Conductive Coating
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We are polymer experts!
We’ve been developing polymers since 2003
- Licensed from Naval Research Laboratories
- Proprietary in-house polymers
Adapting to a resistor
- Select and modify polymers for specific chemical classes (Secret Sauce)
- Completely reversible in vapor
- Immune to water
More Polar
Stro
nger
H-B
ondi
ng
More Non-Polar
Fuels, Alkanes, Aromatics
Alcoho
ls
Nerve Agents
Explosives
Blister Agents
PEI
Water
Fluoro-alcohols
PIB, PDMS
PEVA,PECH
ChlorinatedVOCs
Cyano
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Our innovation increased performance
Hours
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Our Polymer Absorptive Sensors (PAS)
Unique Capabilities - Ultra low power - Insusceptible to water - Long term survivability - PPM Sensitivity (low %LEL) - False alarm immunity - Low cost >$1
Limitations - Nonreversible when submerged in hydrocarbon liquids - Low sensitivity at low hydrocarbon concentrations - Difficulty detecting C1-C3
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How do we test our sensors?
Development of a PA Sensor Evaluation Method - Pipeline Research Council project PL-1H - Evaluates sensitivity and durability of PAS after manufacturing - Sets performance requirements that must be met
Method includes - Sensor to sensor reproducibility - Temperature dependence - Sensitivity to target chemicals & select interferents - Sensor saturation and fatigue
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Our first product
Monitoring Above Ground Storage Tanks - Floating roof seals fail and vapors escape - Rooftop detection system deployed by Syscor - Monitor explosive vapors as %LEL - CSA Intrinsic Safety Certification - Kinder Morgan field trials
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Monitoring oil on water
Point detection of oil leaks and spills - Market pull specifically for oil on water detection - Low cost alternative to existing infrastructure technologies - Real time detection of hydrocarbons - Works on water and in ice - Proof of principle prototype completed by Xylem - Current field trials by Enbridge Energy
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Monitoring oil pipelines
Pipelines leak a lot of oil - Bury a sensing cable along pipelines - Real time leak detection - Includes vibration, humidity and temperature sensors - Phase 2 of PRCI Program PL-1H - Sensors tuned for crude oil - Sensitive to >1bbl crude - Validated in TransCanada’s ELDER test
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Methane detection
Another market that we’re seeing pull from - Detecting leaks from methane pipelines - Methane produced by organic decomposition - Tends to be ubiquitous and is a source of false alarms - Small leaks typically associated with elevated LEL - Low concentration sensitivity (<5% LEL) not always critical - Market dominated by catalytic and IR detectors - Modified our polymers and it works!
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We can see methane
Heptane Methane
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Next steps for methane
Critical Milestones - Continue sensor development - Cable vs. Node? - Modify evaluation methods - Perform accelerated aging studies - Identify commercialization partners within the industry
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Thanks for listening!
Chris Neidre CEO, Leek Technologies 858-922-2912 [email protected] Alex Robertson Partner, Leek Technologies 619-518-0925 [email protected]