PTR [PETROCHINA CO] CORRESP: (Original Filing)
[June 21, 2011 H. Roger Schwall Re: PetroChina Company Limited Form 20-F for Fiscal Year Ended December 31, 2009 Filed June 25, 2010 Form 20-F for Fiscal Year Ended December 31, 2010 Filed May 10, 2011 Response Letter Dated October 28, 2010 Response Letter Dated April 28, 2011 File No. 1-15006 Dear Mr. Schwall, Mr. Cannarella and Mr. Shannon: Set]