Questar Pipeline Company

First Revised Volume No. 1

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Effective Date: 03/23/2001, Docket: RP01-233-000, Status: Effective

Second Revised Sheet No. 162 Second Revised Sheet No. 162 : Effective

Superseding: First Revised Sheet No. 162





inject natural gas into the Dakota Formation for shipper.


1.8 Injection period means a period of time beginning

May 1 of any calendar year and ending October 31 of that

same year.


1.9 Minimum required deliverability (MRD) means the

minimum withdrawal rate or quantity of gas that 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 percent load

factor, e.g.:


MRD = Annual Working Gas

150 days x.80


1.10 Overrun storage means the quantity of gas that a

firm storage shipper requests and Questar agrees to withdraw

out of storage, on any day, that is in excess of shipper's

allocated quantity.


1.11 Reserved capacity means the annual working gas

volume, associated MRD and injection/withdrawal capabilities

reserved for Questar's load balancing and operational

control of its transmission system.


1.12 Storage or storage service means the injection,

storage or withdrawal of natural gas at Clay Basin.


1.13 Withdrawal capacity means the capability of

Questar's facilities in the Clay Basin storage field to

withdraw natural gas from the Dakota formation for shipper.


1.14 Withdrawal period means a period of time beginning

November 1 of any calendar year and extending through March

31 of the next succeeding year.


1.15 Working gas means that quantity of gas injected

into and withdrawn from storage by Questar for shipper.