Petroleum Exploration and Production Africa (PEPA) has defended its work in Congo Brazzaville, following a condemnatory report from Global Witness and others.
Erin Energy was hit with a net loss of $9.2million in the second quarter of the year.
The company said following tie-in of the Oyo-8 and Oyo-7 wells oil production had averaged 7,642 barrels per day.
Erin Energy said it generated revenue of $15.3million from crude lifting in July and received an additional $26.5million as advance payment for a scheduled August lifting of Oyo crude this month.