BRIEF-Brazil oil auction sells 11 of 22 blocks in Parnaiba onshore basin
Oct 7 (Reuters) -
* Brazil oil and gas auction sells 11 out of 22 blocks in Parnaiba onshore basin
* Successful companies included BTG Pactual Group , Parnaiba Gas Natural, Vipetro, Ouro Preto Energia and Eneva
* Brazil oil and gas auction gets no offers for any of nine exploration blocks in Camamu-Almada offshore basin (Reporting By Stephen Eisenhammer)
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