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                         GAS SPECIFICATIONS

                          (Rules 7(2) And 8 (5) (B))

                PART A — COMPOSITION (BY VOL %)

Gas components

Maximum

Minimum

Methane

Ethane

Propane

Butane + Paraffine (C4+)
co2

H

Total Inert (CO, + N,)

0, (by volume)

Water Content

H2S (by volume)

Total sulfur

95

10

8

5

8

6

12

10 ppm
7Ibs/MMscf
4ppm

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.