CCS and Power Systems

Carbon Storage - Monitoring, Verification, Accounting, and Assessment

Development and Deployment of a Compact Eye-Safe Scanning Differential Absorption Lidar (DIAL) for Spatial Mapping of Carbon Dioxide for Monitoring/Verification/Accounting at Geologic Carbon Sequestration Sites

Performer: Montana State University

Project No: FE0001156


  • Phase 1: The CO2 DIAL was built using off-the-shelf tele-communications components, and the software essential to its operation was developed by MSU’s Applied Optics and Optical Sensing Research Group.

  • Phase 2: During testing in the laboratory and at the ZERT outdoor controlled-CO2 release site in Bozeman, MT, the DIAL instrument has consistently measured atmospheric CO2 concentrations that are comparable to literature values (average ~360 ppm) over a working range of approximately 3 kilometers (km). Measurements made remotely by the DIAL instrument at ~ 1.25 km from the ZERT site compared favorably with those made by a commercial CO2 sensor placed directly on the site (Figure 2). After completion of the ZERT site testing, increased emphasis has been placed on improving the instrument’s signal-to-noise performance and field-ruggedness, and exploring commercialization opportunities with the private sector.

  • Phase 3: The third phase of the project involves further deployment and testing of the DIAL instrument at the Kevin Dome site (Toole County, MT) where large-scale injection of CO2 (approximately 1 million metric tons) is planned under Phase III of the Big Sky Carbon Sequestration Partnership (project DE-FC26-05NT42587). The DIAL was deployed at the site between July 9th and August 7th, 2013. The instrument was located approximately 1 km from where a future CO2 production well will be drilled. CO2 concentrations were measured at distances from 1 to 2.5 km away from the instrument, and compared favorably to data collected with a commercial CO2 point sensor placed in the proximity of the DIAL instrument.

Project Details