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Gary Guidry
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Gary Guidry
Finance
Gran Tierra Energy books heavy full-year loss
Published
26 February 2021 3:51 GMT
Online
Gran Tierra flows oil in Colombia
Published
8 August 2019 2:47 GMT
Online
Gran Tierra boosts Putumayo basin stake
Published
21 February 2019 21:23 GMT
Online
Gran Tierra boosts reserves estimate in Colombia
Published
31 January 2019 0:11 GMT
Online
Record output lifts Gran Tierra's profits
Published
2 May 2018 1:29 GMT