SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                    FORM 6-K


                            REPORT OF FOREIGN ISSUER


                      PURSUANT TO RULE 13a-16 OR 15d-16 OF
                       THE SECURITIES EXCHANGE ACT OF 1934

                            For the month of May 2007



                           PETROCHINA COMPANY LIMITED


                          16 ANDELU, DONGCHENG DISTRICT
                 BEIJING, THE PEOPLE'S REPUBLIC OF CHINA, 100011
                    (Address of Principal Executive Offices)

     (Indicate by check mark whether the registrant files or will file annual
reports under cover of Form 20-F or Form 40-F.)

     Form 20-F  X       Form 40-F
              -----              -----


     (Indicate by check mark whether the registrant by furnishing the
information contained in this Form is also thereby furnishing the information to
the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of
1934.)

     Yes        No  X
         -----    -----


     (If "Yes" is marked, indicate below the file number assigned to the
registrant in connection with Rule 12g3-2(b): 82-__________ )




     PetroChina Company Limited (the "Registrant") is furnishing under the cover
of Form 6-K the Registrant's announcement with respect to its appointment of the
Chairman of the Board of Directors.



                        (PETROCHINA COMPANY LIMITED LOGO)
                           PETROCHINA COMPANY LIMITED

     (a joint stock limited company incorporated in the People's Republic of
China with limited liability)

                                (STOCK CODE: 857)

                             APPOINTMENT OF CHAIRMAN

     Reference is made to the announcement of PetroChina Company Limited (the
"Company") dated 16 May 2007 in relation to the change of directors and
supervisors of the Company (the "16 May Announcement).

     The board of directors (the "Board of Directors") of the Company is pleased
to announce that Mr. Jiang Jiemin, currently the President and Vice-Chairman of
the Company, was appointed as the Chairman of the Board of Directors pursuant to
the resolution passed at a meeting of the Board of Directors on 20 May 2007.

     The biographical details of Mr. Jiang Jiemin as required under Rule
13.51(2) of the Rules Governing the Listing of Securities on The Stock Exchange
of Hong Kong Limited has been set out in the 16 May Announcement.



                                                      By Order of the Board
                                                    PETROCHINA COMPANY LIMITED
                                                            LI HUAIQI
                                                     Secretary to the Board


20 May 2007
Beijing, the PRC

As at the date of this announcement, the Board comprises Mr. Jiang Jiemin as the
Chairman; Mr. Duan Wende as the executive Director; Mr. Zheng Hu, Mr. Zhou
Jiping, Mr. Wang Yilin, Mr. Zeng Yukang, Mr. Gong Huazhang and Mr. Jiang Fan as
non-executive Directors; and Mr. Chee-Chen Tung, Mr. Liu Hongru and Mr. Franco
Bernabe as independent non-executive Directors.




                                      -1-


                                    SIGNATURE


     Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned, thereunto duly authorized.


                                                  PetroChina Company Limited



Dated: May 22, 2007                               By:    /s/ Li Huaiqi
                                                         -----------------
                                                  Name:  Li Huaiqi
                                                  Title: Secretary to the Board