airborne natural gas emissions lidar (angel) servicedoe/dot sponsored field test at rmotc – sept....

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ITT Industries ANGEL Service March 09, 2005

GIS Tools for Airborne Natural Gas Leak Detection

Dr. Darryl G. Murdock

Petroleum User Group Conference

Houston, TX

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Airborne Natural Gas Emissions Lidar (ANGEL) Service

ITT Industries ANGEL Service

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March 09, 2005

Ø Detection

Ø Quantification

Ø Visualization

Ø Geo-Location

ANGEL Service


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Technology Behind the ANGEL Service

3047.0 3047.53046.5

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Wave Number (cm-1)

- Differential Absorption Lidar (DIAL).

- Active Imaging Technique

• On-line wavelength close to absorption peak

• Concentration calculations based on on-line vs. offline laser absorptions

Pipeline Location


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Scan Pattern

ANGEL Intelligent Pointing and Tracking System

National Fuel -- Empire Pipeline

Flight Path >


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ANGEL Intelligent Pointing and Tracking System


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ESRI and Related Tools

Currently Deployed–ArcGIS Desktop

– ArcView– ArcInfo

–ArcObjects–Spatial Analyst Extension–3D Analyst Extension–Visual Basic–C++–RSI

– ENVI– IDL

Currently Deployed–ArcGIS Desktop

– ArcView– ArcInfo

–ArcObjects–Spatial Analyst Extension–3D Analyst Extension–Visual Basic–C++–RSI

– ENVI– IDL

Under Development

–ArcGIS Server–ArcIMS–ArcSDE–Geostatistical Analyst–Network Analyst (when

available)–Non-ESRI toolsets (IAS)

Under Development

–ArcGIS Server–ArcIMS–ArcSDE–Geostatistical Analyst–Network Analyst (when

available)–Non-ESRI toolsets (IAS)


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ANGEL Mission Planning Tools

Ø Route Planning

Ø Target Generation

Ø Tortuosity Analysis


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ANGEL Post-Flight Analysis Tools

Ø Aircraft/Scan Point Relations

Ø Landcover Delineation

Ø Landcover Analysis


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Select Airplane & Related Scan Dots



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VB links to MS Excel COM objects



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Draw Land Cover Regions



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Draw Land Cover Regions


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Compare Land Cover Regions



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Methane Visualization & Reporting Tools

Ø Spatial filtering

Ø Anomaly “bookmarking”

Ø Density normalization

Ø Plume interpolation


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ENVI Rasterization tool



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ENVI Anomaly Finder tool



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Methane Leak(Spatially filtered, density normalized)

False Positives



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ØENVI Customer Report tool



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DOE/DOT Sponsored Field Test at RMOTC – Sept. 2004


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ANGEL Video Image from DOE Field Demonstration

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Gas Leak Detected (9/17/04)North of RMOTC Gas Plant

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Path Forward

Challenges– Robust back-end database and web implementation– Improved automation of analytical processes– Customer knowledge of pipeline geolocation

Planned Activities– Flight testing in Cessna Caravan February & March– Sour Gas (H2S) fields in TX panhandle late March– ANGEL Commercial Availability Q2, 2005– HALOS (Hazardous Liquids Airborne

Observation Study) funded by the DOT/RSPA.


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Acknowledgements

Co-authors:–Michael Stoogenke–Dr. Steven Stearns

Dr. Dawn Lenz (RSI – Boulder)ANGEL Business and Development Teams

airborne natural gas emissions lidar (angel) servicedoe/dot sponsored field test at rmotc – sept....

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