Anadarko drilling again offshore Colombia

Offshore staff

THE WOODLANDS, TexasAnadarko says its current Calasu-1 well, near Colombia’s Pacific coast, is targeting a large four-way structure with multiple potential targets.

Earlier this year the company completed its deep offshore Kronos-1 well to the south, which intersected 130-230 net ft (39.6-70 m) of natural gas pay in the upper objective, proving the presence of a working petroleum system and validating geologic and seismic interpretations.

However, a subsequent test of a deeper objective encountered non-commercial hydrocarbons. Anadarko and its partner are evaluating the results to determine their next steps.

Also on the Pacific side of Colombia, Phase I of the 16,000-sq km (6,177-sq mi) Esmeralda 3D survey over the eastern parts of offshore blocks COL1 and 2 was more than 80% complete by the end of September.

Offshore Côte d’Ivoire, Anadarko expects to start a drillstem test and interference testing program shortly in block CI-103 as part of the ongoing appraisal of its Paon discovery. The program will also include additional appraisal drilling.

Resultant data should shed light on reservoir connectivity, deliverability, fluid properties, and reservoir size. Positive results will advance the discovery toward commerciality, the company added.

Recently Anadarko acquired the adjoining offshore CI-527 block to the southeast (and north of its CI-528 block). Plans are under way for a two-well exploration program in 2016.


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