Premier Oil: Completes Grosbeak Drilling, Testing Of Primary Well Bore

LONDON -(Dow Jones)- Premier Oil PLC (PMO.LN), an oil and gas company announced Monday for its Grosbeak well 35/12-4 S, which spudded on April 24, 2011, that it has completed the drilling and testing of the primary well bore and will now be sidetracked to further delineate the extent of the Jurassic oil accumulation.