lowesthina reporting its net income since the 1990's. how bad was it for the company?is the worst set of numbers we've gotten out of petro china became since it became a publicly listed entity in 2000. yes, profit has fallen to the lowest since 1999. this is where we are today. this is on the back of that precipitous decline in oil barrel brent at $54 a last year, coming down from about $100 a year the year before, and we see that reflected for all majors around the world, not just petro china. taking you through the numbers, a $3.8 billion write-down on upstream gas assets. at $100 a barrel, companies like petro china and its other peers went on a huge spending spree, picking up australian, canadian in a g assets not worth a whole lot now given the decline in oil prices. throught to take you this interesting chart which correlates just how closely this relationship between brent and the share price. keep in mind that petro china was the world's first training dollar company, so how far has it fallen since then? it is still in the top three by st threehe top bigge comp