** Shares of Aker BP rise by NOK 5.8, or 2.4 pct,at 0851 GMT to trade at NOK 282.8 in Oslo after companyannounces North Sea oil and gas discovery
** Exploration success at Froskelaar (Frog's Leg) Mainprospect adds NOK 2.7 per share to the company's net assetvalue, brokers DNB Markets
** Also boosting oil shares, Brent crude climbs to 2019highs, with energy stocks on average rising 0.7 pct
** Aker BP is due to report Q4 earnings on Feb. 6