|
Table
3. Locations of Gas Hydrates offshore Nigeria.
|
Sample
ID
|
Latitude
|
Longitude
|
Water
Depth (m)
|
Comment
|
|
|
N-074C3
|
3°
33.7’ N
|
6°
31.8’ E
|
677
|
Reference
5 |
|
N-074C4
|
3°
33.7’ N
|
6°
31.8’ E
|
675
|
Reference
5
|
|
N-082C3
|
3°
31.4’ N
|
6°
20.9’ E
|
770
|
Reference
5
|
|
N-138C2
|
3°
57.6’ N
|
5°
16.6’ E
|
560
|
Reference
5
|
|
N-138C3
|
3°
57.6’ N
|
5°
16.6’ E
|
560
|
Reference
5
|
|
N-138C6
|
3°
57.6’ N
|
5°
16.6’ E
|
563
|
Reference
5
|
|
PEF005
|
3°
40.9’ N
|
7°
25.3’ E
|
549
|
Nodules 2.0-2.6
m subbottom; largest nodule was 4-7 cm thick; H2S present
|
|
PEF013
|
3°
40.9’ N
|
7°
45.9’ E
|
440
|
Present near
bottom of 4.6 m core; inferred site; H2S present
|
|
PT028a
|
3°
17.1’ N
|
6°
01.0’ E
|
1,528
|
H2S
present
|
|
PT028b
|
3°
17.1’ N
|
6°
01.0’ E
|
1,528
|
White massive
hydrate; H2S present
|
|
PEX005a
|
5°
31.5’ N
|
4°
15.2’ E
|
1,176
|
Massive white
hydrate in bottom at 2.2 m (TD), H2S present
|
|
PEX05d2
|
5°
31.5’ N
|
4°
15.2’ E
|
1,172
|
Small white
hydrates, H2S present
|
|
NGC102
|
3°
15.0’ N
|
6°
42.4’ E
|
1,147
|
Inferred based
on large gas voids; H2S present
|
|
NGC103
|
3°
14.1’ N
|
6°
42.0’ E
|
1,185
|
10-cm of solid
white hydrate in core catcher; H2S present
|
|
NGC226
|
4°
56.9’ N
|
4°
19.2’ E
|
1,341
|
White hydrates
present; in depression, H2S present
|
|
PCO005
|
3°
29.7’ N
|
6°
54.8’ E
|
738
|
Hydrates throughout
0.4 m core; in depression; H2S present
|
|
PTX004
|
3°
28.7’ N
|
5°
34.1’ E
|
1,378
|
Small white
hydrate nodules; in small depression; H2S present
|
|
PTX017
|
3°
34.6’ N
|
5°
24.6’ E
|
1,333
|
Hydrates in
bottom of 2.2 m core; In abrupt depression; H2S present
|
|
PTX026
|
3°
28.2’ N
|
5°
33.6’ E
|
1,405
|
Abundant hydrates;
H2S present
|
|
PAG008
|
4°
52.2’ N
|
4°
41.8’ E
|
569
|
Hydrate present;
H2S present
|
|
PAG013
|
4°
48.2’ N
|
4°
29.3’ E
|
971
|
Hydrates in
0.2 to 0.4 m subbottom; H2S present
|
|