PetroChina output up 5.2 percent

PetroChina, the internationally listed arm of China's top oil producer, witnessed record high output last year and vows to invest more in exploration and production this year.

The Hong Kong- and New York-listed company said in a public statement yesterday that its production of oil and gas hit a record high of 1.062 billion barrels of oil in 2006, up 5.2 percent year-on-year.