Presidency has revoked five Oil Mining Licences (OML) and one oil prospecting licences (OPL) belonging to five companies.
The revocation order contained in notice made available by Department of Petroleum Resources on Monday.
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The affected companies are are Pan Ocean Oil Corporation (OML 98); Allied Energy Resources Nigeria, (OML 120 and 121); Express Petroleum and Gas Company (OML 108); Cavendish Petroleum Nigeria (OML 110) and Summit Oil International (OPL 206).