UPDATE 3-Statoil's CEO quits for top job at BG Group
* To take over CEO role next March at struggling rival
* Pay could potentially rise tenfold
* BG shares rise, Statoil falls 3 pct
* Statoil says no change in strategy (Adds quotes from Lund, Statoil's chairman, Jefferies, Investec)
By Balazs Koranyi and Karolin Schaps
OSLO/LONDON, Oct 15 (Reuters) - Statoil's long-serving chief executive Helge Lund unexpectedly quit on Wednesday to take on the top role at smaller rival BG, where he has been promised a big pay rise if he can turn round the flagging British gas and oil producer.
Lund, who in 10 years transformed Norway's once domestic-focused state oil firm into a $77 billion international major, now faces a new set of problems at BG, Britain's third-largest energy firm, which has been struggling following a string of production downgrades that cost the previous CEO his job.
"(Lund) has built a world-class exploration and production portfolio at Statoil, and the company is now widely admired for its technical expertise, financial performance and strong, values-based culture," BG's chairman Andrew Gould said.
BG shares are down 20 percent since the start of the year as its important Egyptian gas business has performed disastrously due to lower production for exports and its huge investments in Brazil have yet to prove their value. Continuación...