	regal international rgl ups bell bpsiq bid bell petroleum services inc said regal international inc has doubled its offer for bell stock to one regal share for each bell share from half a share previously the company said it is seriously considering the new offer but has also received an expression of interest for a possible merger into a fortune company it did not identify that will be investigated at meetings to be held later this week it said it will explore all possibilities before recommending a final course of action reuter 
