PetroChina Co. and China Petroleum & Chemical Corp., the nation's largest oil companies, said some gas wells in Sichuan province remain shut after the country's biggest earthquake in 58 years struck the area.

PetroChina has cut daily gas output from Sichuan by about 14 percent, or 5.6 million cubic meters, as a safety measure, parent China National Petroleum Corp. said today. China Petroleum, or Sinopec, won't reopen its Western Sichuan gas wells ``too soon'' due to transport disruptions, after-shocks and shutdowns by customers, spokesman Huang Wensheng said today.

China yesterday ordered coal mines, chemical plants and oil and gas wells affected by the 7. ... Read full article