Doriemus is to sell its interest in the Brockham oil licence in Surrey to the operator, Angus Energy.
Doriemus plc, which has oil interests in the Weald in southern England, has replaced its chairman.
Angus Energy has announced that equipment to isolate water zones in its oil well at Brockham in Surrey was ready to be shipped from the US.
Details of a new oil well in West Sussex emerged today when Angus Energy announced it had received final planning consent at its Lidsey site near Bognor Regis.
The Australian investor, David Lenigas, says the Brockham well near Dorking in Surrey is key to unlocking potential oil production in the Weald Basin in southern England.