PTR [PETROCHINA CO] CORRESP: (Original Filing)
[June 10, 2011 H. Roger Schwall Re: PetroChina Company Limited Dear Mr. Schwall, Mr. Cannarella and Mr. Shannon: We are in the process of collecting and investigating the relevant facts in order to prepare accurate and complete answers to these issues. Therefore, we respectfully request an extension of the deadline to June 24, 2011 to respond to your letter. Please]