Arrow Exploration is preparing further drilling activity in Colombia following results from its Mateguafa 11 (M-11) well, which encountered oil-bearing sands and extended the Mateguafa Attic structure. The M-11 well was drilled to a total measured depth of 11,455 ft (9,328 ft TVD) and identified hydrocarbons in the C7 and C9 Carbonera formations, with 18 …
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