Private company

Burren Energy

UK business1

Burren Energy plc was a British oil exploration and production company founded in 1994 by Finian O’Sullivan who served as its CEO and, latterly, president. The company originally began as an oil transportation company in the Caspian Sea region, but later diversified into oil production in Turkmenistan, and in 2002 acquired Tacoma Resources, a company developing oil reserves in the Republic of Congo. Russian private equity firm Baring Vostok Capital Partners invested $27 million in the company in 2000.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

  • Industrypetroleum industry1

Burren Energy plc was a British oil exploration and production company founded in 1994 by Finian O’Sullivan who served as its CEO and, latterly, president. The company originally began as an oil transportation company in the Caspian Sea region, but later diversified into oil production in Turkmenistan, and in 2002 acquired Tacoma Resources, a company developing oil reserves in the Republic of Congo.2

Sources

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