Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

Effective Date: 08/01/1997, Docket: RP97-410-000, Status: Effective

First Revised Sheet No. 602 First Revised Sheet No. 602 : Effective

Superseding: Original Sheet No. 602

FORM OF TRANSPORTATION SERVICE AGREEMENT

APPLICABLE TO RATE SCHEDULE IT-1 (Continued)

THIS SERVICE AGREEMENT, made and entered into as of _______________,

by and between WILLISTON BASIN INTERSTATE PIPELINE COMPANY, hereinafter

called "Transporter," and ________________________________________________

___________________, hereinafter called "Shipper."

WHEREAS, Shipper desires interruptible transportation service from

Transporter pursuant to Subpart ________ (B or G) of Part 284 of the FERC

Regulations between the receipt and delivery points specified herein up to

the receipt and delivery limits specified below; and

WHEREAS,

NOW, THEREFORE, for and in consideration of the premises and the

mutual covenants hereinafter contained, Shipper and Transporter agree as

follows:

1. Transportation service hereunder shall be on an interruptible

basis up to the Total Interruptible Delivery Quantity and the point

specific interruptible Receipt and Delivery Quantities specified in Exhibit

A hereto.

2. Authorized Overrun Quantities. Upon request of Shipper and at

Transporter's option, Transporter may receive and deliver for Shipper's

account, on any day, quantities of interruptible gas in excess of Shipper's

point-specific Interruptible Delivery Quantities. Such quantities shall be

received and delivered on an interruptible basis. For such excess gas

transported and delivered, Shipper shall pay an amount obtained by

multiplying the quantity of such excess gas during the month by the

Scheduled Overrun Charge.

(The rest of this sheet has been intentionally left blank.)