Areas W07-5, W07-6 and W07-7

Caswell Sub-basin, Browse Basin

Location

Areas W07-5, W07-6 and W07-7 are located in the Caswell Sub-basin of the Browse Basin, 250–300 km off the northwest coast of Western Australia (Figure 1). The release areas lie adjacent to current offshore petroleum exploration permits and, are situated between and to the north of, the giant gas accumulations at Scott Reef (Torosa), Brecknock, Brecknock South (Calliance), and Brewster (Ichthys).

Area W07-5 comprises 6 graticular blocks or parts thereof (approximately 375 km2), and water depths range from 460 m in the south to 590 m in the north.

Area W07-6 comprises 25 graticular blocks (approximately 1695 km2), and water depths range from 300 m in the southeast to 430 m in the northwest.

Area W07-7 comprises 28 graticular blocks (approximately 2325 km2), and water depths range from 174 m in the south to 455 m in the north.


Graticular Block Listing

Area W07-5
Caswell Sub-basin, Browse Basin, Western Australia

Map Sheet SD 51 (Brunswick Bay)

1110
1112 part
1113 part
1182
1183
1184

Assessed to contain 6 blocks (includes 4 full blocks and 2 part blocks)

Area W07-6
Caswell Sub-basin, Browse Basin, Western Australia

Map Sheet SD 51 (Brunswick Bay)

1116 part
1117 part
1118 part
1119 part
1120 part
1188
1189
1190
1191
1192
1259
1260
1261
1262
1263
1264
1332
1333
1334
1335
1336
1404
1405
1406
1477

Assessed to contain 25 blocks (includes 20 full blocks and 5 part blocks)

Area W07-7
Caswell Sub-basin, Browse Basin, Western Australia

Map Sheet SD 51 (Brunswick Bay)

1542
1614
1615
1616
1686
1687
1688
1689
1690
1691
1758
1759
1762
1763
1830
1831
1902
1903
1904
1905
1974
1975
1976
1977
2046
2047
2048
2049

Assessed to contain 28 full blocks

Graticular Block Map

Graticular Block map of areas W07-5 to 7 - click on the image to view a high resolution PDF version