West Texas Gas, Inc.

First Revised Volume No. 1

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Effective Date: 05/01/1998, Docket: RP98- 25-005, Status: Effective

First Revised Sheet No. 12 First Revised Sheet No. 12 : Effective

Superseding: Original Sheet No. 12





3. Measurement (Continued):


3.2 Orifice Meter Computations (Continued):


3.2(c) Specific Gravity (Continued):


The average specific gravity so obtained by continuous

sampling, or recorded each day by recording gravitometer shall

be used in computing measurements. The monthly specific

gravity tests, the analysis of continuous samples and a

monthly check of the recording gravitometers shall be made by

the use of the Acme Gas Balance or by such other method as is

satisfactory to Seller and Buyer, and any adjustments

necessary shall be made and jointly observed.


(d) Assumed Atmospheric Pressure - The atmospheric pressure

shall be assumed to be the average barometric pressure at the

point of measurement and shall be specified in the executed

service agreement.


(e) Reynolds Number and Expansion Factor - The Reynolds

Number and Expansion Factors shall be determined for each

meter. The average differential and static pressures recorded

by each meter, each twenty-four hour day, shall determine the

value of these factors to be used in computing measurements.


3.3 Computations for Meters Other than Orifice Meters: If

meters other than orifice meters are used, the physical

characteristics of the gas which affect the computation of the

readings and registrations of such metering equipment shall be

given due consideration.


4. Measurement Equipment:

4.1 Installation and Operation by Seller: Unless otherwise

agreed upon Seller shall install, operate and maintain, at its

own expense, at or near each point of delivery, a measuring

station properly equipped with meters and other necessary

measuring equipment by which the volume of gas delivered to

Buyer shall be measured. Such measuring station and equipment

shall be and remain the property of Seller. If the measuring

station shall be on the premises of Buyer, Buyer will grant to

Seller the right of free ingress and egress to such measuring

station for the purpose of installation, operation, repair or