Tullow's gamble in Guyana pays off
- John Balch
- 12 Aug 2019

The Jethro-1 discovery has confirmed the Tertiary play in Guyana, proving Tullow’s geological model and verifing the UK/Irish explorer’s seismic interpretation of the Guiana Basin. The well is Tullow’s first in Guyana and is the first discovery outside ExxonMobil’s prolific Stabroek block, which contains over 5.5 Bboe of in place reserves.