20 February 19, 2007 Total Measured Depth that Extends Past the Pool Figure 4 Pool A Surface Vertical depth to pay base of pool 3,200 m Total vertical depth drilled 3,400 m Vertical depth = 3,200 m Total Vertical depth = 3,400 m Measured depth =3,300 m Total Measured depth = 4,000 m Non-vertical depth = 100 m Measured depth to pay base of pool 3,300 m
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