Gas Storage Fields
Field name: Collinson ; Operated by Reliant Energy Gas Transmission
Located in: Cowley County

Reservoir discovered: 1944 ; Year Activated: 1947 ; Active?: Yes

Storage Type: Depleted Reservoir
Original Contents: Gas ; Original Pressure: 669 (psig); Original reserves: 2393 (mmcf)

Formation Name: Severy
Storage Lithology: Sandstone
Gross Thickness: 42 (feet)
Trap Type: Structural Trap
Formation Depth Maximum: 1438 ; Minimum: 1423

Injection or Withdrawl Wells: 2
Observation, Pressure Control Wells: 0
Compressor Horsepower: 400
Pipe Diameter Maximum: 6 ; Minimum 4

Base Gas Volume: 1260 (mmcf)
Maximum Developed Gas Volume: (mmcf)
Maximum Storage Pressure: 535 (psig)
Maximum Daily Delverability: 10000 (mcf)
Maximum Designed Daily Volume: (mcf)
Annual Cycling Capability:
Undeveloped Capacity: 0 (mmcf)
Comments: Field being blown down. No longer a storage asset.