Clay Basin Inventory
As of juLY 3, 2008  
CLAY BASIN STORAGE RESERVOIR INVENTORY  
Total Clay Basin annual working gas *51,386,250 Dth
Total Clay Basin reservoir inventory

*22,337,514 Dth

Park and Loan inventory ( included in total inventory) -310,001 Dth
Interruptible inventory ( included in total inventory) 541,258 Dth
Percent of reservoir working gas  43.47%
2007 CLAY BASIN COMPARISON  
Total Clay Basin reservoir inventory (Ending July  2007 ) *33,344,629 Dth
Percent of reservoir working gas 64.89%
CLAY BASIN INJECTION CAPACITY  
Estimated current daily injection capacity 350,000 Dth
Estimated current daily Park/ Loan injection capacity 25,000 Dth
Total current daily injection capacity 375,000 Dth
CLAY BASIN WITHDRAWAL CAPACITY  
Estimated current daily withdrawal capacity 460,000 Dth
Withdrawal on QPC is limited to 280,000 Dth
NOTE: Estimated daily pipeline capacities will vary due to various operational conditions.
NOTE: * DOES NOT INCLUDE QPC'S FIRM STORAGE BALANCING ACCOUNT
Last Updated on 07/04/2008
By Questar ABT 801-324-2672