Kashagan Development Cost rises by $7 Billion-KazMunaiGas

    The cost for developing Kazakhstan's huge Kashagan oilfield will rise by $7 billion to $38 billion, the head of KazMunaiGas told reporters on Wednesday.     In July, Energy Minister Sauat Mynbayev said the costs would fall by at least $1 billion, from an estimate of $31 billion.     "The cost of (Kashagan) developing...