Carbon Isotope Mud Gas Depth Profile for MMV at the Aquistore Project, Saskatchewan, Canada.

Abstract At the Aquistore Carbon Capture and Storage site, 8 13 C isotopes were analysed from mud gas samples collected during the drilling of the 3400 m deep injection and observation wells. From these results a compound specific isotope vertical depth profile was generated of the background carbon isotopes at that site. 8 13 C for methane ranged from -68‰ PDB near the surface to -39‰ at 3232 m depth. To date, this is the deepest isotope record in the Saskatchewan portion of the Williston Basin, from the deepest well(s) in the province of Saskatchewan.