GAS SPECIFICATIONS
(Rules 7(2) And 8 (5) (B))
PART A — COMPOSITION (BY VOL %)
Gas components |
Maximum |
Minimum |
Methane Ethane Propane Butane + Paraffine (C4+) H Total Inert (CO, + N,) 0, (by volume) Water Content H2S (by volume) Total sulfur |
95 10 8 5 8 6 12 10 ppm 28 ppm |
85 0 0 0 Oppm |
PART B — HEATING VALUE (BTU/SCF) AND DELIVERY TEMPERATURE
|
Maximum |
Minimum |
Higher |
1150 |
950 |
Lower |
1050 |
865 |
Wobbe Index (Gross) |
52 |
47 |
Delivery Temperatures |
49C(120°F) |
5°C(41 °F) |
PART C — SOLIDS CONTAINED IN RAW NATURAL GAS
Sand, dust, gum, other solids
Free by normal commercial standards of objectionable odor, dust, solid or liquid matter, wax, gum and gum forming constituents, or aromatic hydrocarbon which might cause injury to or interfere with proper operation of all equipment through which it flows.
FLUID CHARACTERISTICS
PART D
THE DESIGN RAW GAS CONSUMPTION (DRY BASIS)
Gas components |
Mol % |
Methane |
88.75 |
Ethane |
5.93 |
Propane |
1.28 |
i-Butane |
0.26 |
n-Butane |
0.26 |
i-Pentane |
0.09 |
n-Pentane |
0.06 |
Hexanes |
0.06 |
Heptane + |
0.10 |
CO, |
2.55 |
N, |
0.66 |
o2 |
0.00 |
H2S |
0.00 |
PROF. F.K.A. ALLOTEY
Chairman, Energy Commission
Date of Casern notification: 14th December. 2007.
Entry into force: 11th March, 2008.