tokens: Bangguo Wu pointed out that China 's land - based petroleum industry achieved great success last year , and oil and gas production volume increased by 1.81 million tons and 730 million cubic meters respectively compared with the previous year ; with nearly 1 million tons of shared oil from overseas , its growth rate was the highest since the " seventh five - year plan " period -LRB- 1986 - 1990 -RRB- ; its economic benefits were considerable , turning over 25.8 billion yuan of taxes , achieving profits of 10 billion yuan ; making great achievements in scientific and technological progress .