(EnergyAsia, May 13) — Canada’s PetroKazakhstan Inc, which produces oil and gas in Kazakhstan, said its net profits jumped by 89.3% to US$165.6 million from year-ago levels. Revenue climbed to $502.5 million from $325.3 million previously. The company reported diluted net income per share of $2.16, cash flow per share (diluted) of $2.43. It had…