ANR Pipeline Company

Second Revised Volume No. 1

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Effective Date: 11/01/1993, Docket: RS92- 1-005, Status: Effective

Original Sheet No. 126 Original Sheet No. 126 : Superseded

 

 

GENERAL TERMS AND CONDITIONS

(Continued)

 

 

(3) The flowing temperature of the Gas shall be

determined by means of an instrument of standard

manufacture accepted in the industry for this

purpose.

 

(4) The supercompressibility factor used in computing

the volume of Gas delivered through an orifice meter

shall be determined in a manner which yields results

consistent with the results produced by the

procedures presented in American Gas Association

Transmission Measurement Committee Report No. 8,

entitled "Compressibility Factors of Natural Gas and

Other Related Hydrocarbon Gases".

 

(5) The specific gravity of the Gas used in computing

the volume of Gas delivered through a meter shall be

determined by one of the following methods:

 

(i) At intervals of not more than six (6) Months,

by means of an instrument of standard

manufacture accepted in the industry for this

purpose using a sample of Gas from the Gas

stream at the Receipt Point or Delivery Point.

 

 

(ii) By means of an instrument of standard

manufacture accepted in the industry for this

purpose installed at a point to measure the

specific gravity of the Gas stream from which

Gas is being delivered at the Receipt Point or

Delivery Point.

 

(6) The compressibility ratio factor "s" used in

computing the volume of Gas delivered through a

turbine meter or a positive displacement meter shall

be determined by the equation s = (Fpv)2, in which

"Fpv" is the supercompressibility factor determined

as described in subparagraph (4) of this subsection

(b).

 

(7) In determining the flowing temperature factor,

supercompressibility factor, and compressibility

ratio factor "s" for use in computing the volume of