CLAY BASIN INJECTION/ WITHDRAWAL ESTIMATOR
 
Injection and Withdrawal allocation estimates for Gas day 01/24/2022 
INPUT quantities in blue boxes and Click  
 
       
 
  FSS Shipper's annual working gas in (Dth)
  Firm Shipper's working gas remaining in storage (Dth)
 
       
 
 
MRD  
Dth/ day
 
Injection Allocation
Dth/ day
 
Withdrawal Allocation
Dth/ day
 
 
    *All quantities represented in Dekatherm (Dth)  
DISCLAIMER: Worksheet and calculations to be used solely for the purpose of estimating firm injection and withdrawal allocation capacities. Please contact QPC marketing and scheduling for help.
Injection Allocation Estimator
         
         
  X = FSS Shipper's annual working gas  
  Y = Sum of Clay Basin Annual Working Gas volumes  
  Z = Today's available injection capacity  
         
  (X/Y)*Z = Firm Injection Allocation  
         
         
Withdrawal Allocation Estimator
         
         
  A = Firm Shipper's working gas remaining in storage  
  B = Total working gas remaining for ALL FSS shippers  
  C = Maximum possible reservoir deliverability today  
  D = Sum of FSS shippers' minimum required deliverabilities  
  E = FSS shipper's minimum required deliverability (MRD)  
         
  [(A/B)*(C-D)]+E = Firm Withdrawal Allocation  
         
         
         
         
         
         
Worksheet Notes:
The values in light blue can be changed to estimate a new calculation. (Enter values and click green calculate button)

(Y) excludes DEQP's firm balancing account working gas volumes

(Z) Injection capacity can range anywhere from 190,000 dth/day to 325,000 dth/day April-Sept for Clay basin

(C) Maximum possible deliverability can range anywhere from 175,000 dth/day to 750,000 dth/day Oct-Mar for Clay Basin

MRD (Minimum Required Deliverability), as defined in the tariff, is equal to : The minimum withdrawal rate or quantity of gas that firm shipper may withdraw on a firm basis each day up to and including the last day of the withdrawal period, subject to shipper having working gas remaining in storage. It shall be determined by dividing shipper's annual working gas by the product of 150 days and the decimal equivalent of an 80% load factor. **This calculation may be skewed when using this tool during injection season (April-October). To estimate future calculations change the values in the light blue boxes.

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