Pine Needle LNG Company, LLC

Original Volume No. 1

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Effective Date: 05/01/1999, Docket: CP96- 52-003, Status: Effective

Original Sheet No. 45 Original Sheet No. 45 : Effective

 

 

GENERAL TERMS AND CONDITIONS

(Continued)

 

 

 

4. MEASUREMENTS (Continued)

 

(b) Quantity and Heating Value (Continued)

 

(iv) The temperature of the gas flowing through Pine Needle's

meter shall be determined for any day by the continuous use

of an electronic temperature sensing device so installed

that it may properly record the temperature of the gas

flowing through the meter. The arithmetic average of the

temperature sensed each 24-hour day or so much of the 24

hours as gas has been flowing, or each hour or so much of

each hour as gas has been flowing, shall be used in

computing gas quantities. Instantaneous temperature

measurements may be applied to electronic metering

instruments in lieu of averages to provide the quantity

computation.

 

(v) The specific gravity of the gas flowing through Pine

Needle's meter, when necessary for computing gas quantities,

shall be, unless otherwise agreed upon, determined by the

use of an online process type gas chromatograph. Arithmetic

averages either 24 hours or hourly or so much of either as

gas has been flowing shall be used in computing gas

quantities. Direct readings from the chromatograph may also

be applied to electronic metering instruments in lieu of

averages to provide on-site quantity computation.

 

(vi) The deviation of the gas from Ideal Gas Laws shall be

calculated following the recommendations of the ANSI

2530/API 14.3 "Orifice Metering of Natural Gas and Other

Related Hydrocarbon Fluids" (A.G.A. Report No. 3) including

the A.G.A. PAR Research Project NX-19 "Manual for

Determination of Supercompressibility Factors for Natural

Gas" or the A.G.A. Transmission Measurement Committee Report

No. 8 "Compressibility and Supercompressibility for Natural

Gas and Other Hydrocarbon Gases." If the composition of the

gas is such as to render the above procedure inapplicable,

other methods for determination of the deviation factors,

mutually agreed upon by Customer and Pine Needle, shall be

used.

 

(vii) The Gross Heating Value of the gas per cubic foot shall be

determined by the use of an online, suitably located and

acceptable make process type gas chromatograph.