Talks a couple of merger involving Tullow Oil, the London-listed African oil explorer, and Meren Vitality, a Canadian-listed peer, have collapsed.
Sky Information has learnt that discussions a couple of tie-up have been progressing as just lately as this month however are actually mentioned to have been terminated.
It was unclear on Tuesday night what the rationale was for the abandonment of the negotiations.
Tullow Oil, which has a market valuation of about £275m, is concentrated on West-African producing belongings in Ghana, Gabon and the Ivory Coast.
The corporate has seen its inventory plunge dramatically since its peak valuation of about £15bn.
Final December, it noticed merger talks involving Kosmos Vitality crumble.
Meren Vitality, which till just lately was known as Africa Oil Corp, is considerably bigger than Tullow Oil in valuation phrases.
Listed in Canada and Sweden, it has a market capitalisation equal to roughly £980m.
Run by chief govt Roger Tucker, Meren just lately mentioned it had as much as $500m to spend on buying producing belongings in Africa.
A spokesman for Tullow Oil declined to remark.