Kenya - well update

Published on: 16 March 2016

Tullow Oil plc (Tullow) announces that the Cheptuket-1 well in Block 12A, Northern Kenya, has encountered good oil shows, seen in cuttings and rotary sidewall cores, across an interval of over 700 metres.

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Cheptuket-1 is the first well to test the Kerio Valley Basin and was drilled by the PR Marriott Rig-46 to a final depth of 3,083 metres.

The objective of the well was to establish a working petroleum system and test a structural closure in the south-western part of the basin. The strong oil shows encountered in Cheptuket-1 indicate the presence of an active petroleum system with significant oil generation. Post-well analysis is in progress ahead of defining the future exploration programme in the basin. As previously advised, the PR Marriott Rig-46 will now be demobilised. On the back of the encouraging Cheptuket-1 and successful Etom-2 results further exploration activities are being evaluated.

Tullow operates Block 12A with 40% equity and is partnered by Delonex Energy with 40% and Africa Oil Corporation with 20%.

Angus McCoss, Exploration Director, commented today:

“This is the most significant well result to date in Kenya outside the South Lokichar basin. Encountering strong oil shows across such a large interval is very encouraging indeed. I am delighted by this wildcat well result and the team are already working on our follow-up exploration plans for the Kerio Valley Basin.”

For further information contact

  • Tullow Oil plc

    • Chris PerryInvestor Relations
    • Nicola RogersInvestor Relations
    • George CazenoveMedia Relations
    • London

  • Murray Consultants

    • Pat Walsh
    • Joe Heron
    • Dublin

Notes to editors

Tullow is a leading independent oil & gas, exploration and production group, quoted on the London, Irish and Ghanaian stock exchanges (symbol: TLW). The Group has interests in over 85 exploration and production licences across 17 countries which are managed as three Business Delivery Teams: West Africa, East Africa and New Ventures.