Field Development and Renewed Reservoir Characterization for CO2 Flooding of the Hall-Gurney Field, Central Kansas
Kansas Geological Survey
Open-file Report 2001-38

Wellbore Integrity

1930's and 1940's vintage wellbores present challenges that require significant capital for wellbore upgrades. Fortunately, these appear to be manageable and up to eleven existing wellbores will be utilized in the pilot. Re-drilling the targeted reservoirs for commercial CO2 flooding is likely to be cost prohibitive.

Typical Wellbore Schematic
1936 Vintage Hall-Gurney Well

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Last updated December 2001
http://www.kgs.ku.edu/PRS/publication/OFR2001-38/P3-11.html