Westgas Interstate, Inc.

First Revised Volume No. 1

Effective Date: 09/01/1993, Docket: RS92- 89-002, Status: Effective

Original Sheet No. 106 Original Sheet No. 106 : Effective

Form of Service Agreement for Rate Schedule IT

SERVICE AGREEMENT

THIS AGREEMENT, made and entered into as of ____________,

by WestGas InterState Inc. (Transporter), a corporation

under the laws of the state of Colorado, and ______________

(Shipper), a___________________. Transporter and Shipper

are collectively referred to as the "Parties."

THE PARTIES REPRESENT:

1. Shipper desires to have its gas transported by

Transporter pursuant to Rate Schedule IT of Transporter's

FERC Gas Tariff, First Revised Volume No. 1.

2. Transporter, under the terms and conditions set forth

below, agrees to provide the transportation service

requested.

THEREFORE, THE PARTIES AGREE AS FOLLOWS

ARTICLE I

GENERAL TERMS AND CONDITIONS

This Agreement is subject to the provisions of Transporter's

Rate Schedule IT, including the General Terms and Conditions

of Transporter's FERC Gas Tariff, First Revised Volume No. 1,

as they may be amended or superseded from time to time. In

the event of a conflict between the terms of this Agreement

and those of Rate Schedule IT and the General Terms and

Conditions, the terms of this Agreement will govern.

ARTICLE II

OBLIGATION TO TRANSPORT AND TOTAL DAILY VOLUME

2.1 OBLIGATION TO TRANSPORT. Transporter shall be

obligated to receive from or on behalf of Shipper on an

interruptible basis all volumes of gas which Shipper may

deliver or may cause to be delivered to Transporter at

the point or points of receipt up to the daily volume

(DV) shown on Exhibit A, and Transporter shall on an

interruptible basis deliver equivalent volumes to Shipper,

or for Shipper's account, at the point or points of

delivery.