Black Marlin Pipeline Company
First Revised Volume No. 1
Contents / Previous / Next / Main Tariff Index
Effective Date: 10/01/1990, Docket: CP89-2041-001, Status: Effective
Original Sheet No. 207 Original Sheet No. 207 : Effective
GENERAL TERMS AND CONDITIONS
installed and maintained, and volumes shall be measured in
accordance with the methods prescribed in "Orifice Metering of
Natural Gas", ANSI/API 2530, including the Appendix thereto, as
published December 1985, or any subsequent revision thereof
acceptable to both parties. If turbine meters are used, they
shall be installed and operated in accordance with American Gas
Association Transmission Measurement Committee Report No. 7.
When displacement meters are used, the number of Mcf delivered
hereunder shall be computed by including factors for pressure,
temperature and deviation from Boyle's Law.
4.2 Deviation from Ideal Gas Laws: Correction shall be made for
deviation of the gas from Boyle's Law at the pressure and tem-
perature at which the gas is metered. To determine the factors
for such correction, a quantitative analysis of the gas shall be
agreed upon by both parties or by computations made in accordance
with NX-19 of the American Gas Association and any modifications
and amendments thereof applied in a practical manner.
4.3 Specific Gravity: The specific gravity of the gas delivered
shall be calculated from a chromatographic analysis of a
representative gas sample collected daily during the month, or
any other method mutually agreed upon. Such chromatographs shall
be owned, operated, and maintained by Transporter at repre-
sentative locations on Transporter's system, or as agreed upon.
4.4 Flowing Temperature: The flowing temperature of the gas being
metered shall be determined by means of a recording thermometer
of a type acceptable to both parties, installed and maintained in
accordance with the specifications set forth in said ANSI/API
2530. The arithmetical average of readings each day for time
that gas is flowing shall be deemed the gas temperature and used
in computing the volumes of gas metered during such day.