Heritage Oil has successfully completed the drilling of Kingfisher-3A (Kajubilizi-3A) well in Block 3A, Uganda. The well reached a total measured depth of 2,712 metres (1,875 metres true vertical depth) and has been successfully logged. The well encountered a gross oil-bearing interval of approximately 90 metres with net oil pay of approximately 22 metres.

The Kingfisher-3A well intersected all three Kingfisher Upper Miocene reservoir intervals present in the Kingfisher-1A and 2 wells. An extensive coring programme was undertaken from the three reservoir intervals and initial analysis confirms high permeabilities of up to 3,000 milliDarcies.

Pressure data and fluid samples confirm the three reservoir intervals to be in communication with the three intervals production tested in the Kingfisher-1A and Kingfisher-2 wells at 9,773 bopd and 14,364 bopd respectively.

This demonstrates the lateral continuity of the reservoir intervals and also provides strong evidence to support previous determinations of the level of the oil water contacts within the reservoirs. The well results confirm the Company's resource estimates for the field, while further analysis of the core data could provide an upgrade.

The Kingfisher-3A well has been suspended as a production well, in addition to the previously drilled and suspended Kingfisher-1A and Kingfisher-2 wells.

The drilling of the Kingfisher-3A well completes the initial appraisal drilling programme for the Kingfisher field. In light of Heritage's recent discovery of the Buffalo-Giraffe field in Block 1, which has significantly increased the total estimated resources for the Albert Basin, the Company and its partner, Tullow Oil, are working on a commercial development plan for the basin.

Tags: Heritage Oil Limited