Mosaic Oil Begins Five Well Drilling Program


Waggamba and Surat Basin Fields
(Click to Enlarge)
Mosaic Oil begins its full five well drilling program with the spudding of the Mamaree #2 well in PL202 in Australia. This drilling program is expected to take five months to complete.

If successful, the Mamaree #2 well will extend the Waggamba Field and significantly increase 2P reserves. The proposed TD is 2,610 meters with the primary target the Permian Tinowon Sandstone and the secondary target is the Early Triassic Rewan Formation.

Details of the drilling campaign are:

Mamaree #2 (TD 2,610 meters - Waggamba area)
Rig - Century 7: this well is to establish oil and gas reserves to the south of the Waggamba structure; the target reservoir will be drilled under-balanced using nitrogen. Mamaree #1 was drilled with mud in August 1970 and after some gas was recovered there was a large borehole collapse.

Rockhampton High #1 (TD 2,600 meters; early September - ATP709P)
Rig Century 7: this well investigates a possible large structure to the north of Waggamba; the well will be drilled through the Triassic and Permian targets to basement; non-invasive synthetic mud will be used to maximise electric log information; there is no previous well in the permit.

Waggamba #3 (TD 2,650 meters; early October)
Rig - ODE Rig 5: the Permian target reservoirs will be drilled under-balanced using nitrogen; this well was drilled to above target in early 2004 and the section to basement will be drilled.

Waggamba #4 (TD 2,650 meters; late November)
Rig - Century 7: to establish oil and gas reserves to the west of the Waggamba structure; the target reservoir will be drilled under-balanced using nitrogen.

Waggamba #5 (TD 2,650 meters; early December)
Rig - Century 7: to establish gas reserves to the west of the Waggamba structure; the target reservoir will be drilled under-balanced using nitrogen.
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