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 January 2009

                           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 the registration of
medium-term notes with principal amount of RMB 30 billion.



                                   (GRAPHIC)

                              (Chinese Characters)

                           PETROCHINA COMPANY LIMITED

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

                                (STOCK CODE: 857)

                                  ANNOUNCEMENT

                        REGISTRATION OF MEDIUM-TERM NOTES

The Company and all Board members warrant the truthfulness, accuracy and
completeness of this announcement and warrant that there are no
misrepresentation or misleading statements contained in, or material omissions
from, this announcement.

Pursuant to the resolution passed at the 2008 Extraordinary General Meeting of
PetroChina Company Limited (the "COMPANY") convened on 31 July 2008, the
Company's medium-term notes issue with principal amount of not more than RMB30
billion (the "ISSUE") has been registered by the National Association of
Financial Market Institutional Investors. The Company will proceed with work
relating to the issuance soon.

The registered principal amount of the medium-term notes under the Issue is
RMB30 billion which will be issued in tranches. Relevant legal documentation in
relation to the Issue, including the offering circular and issuance
announcement, will soon be published on the websites of ChinaMoney
(http://www.chinamoney.com.cn) and ChinaBond (http://www.chinabond.com.cn)
respectively. The Company will make further announcements in respect of the
Issue at appropriate time.

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

6 January 2009

As at the date of this announcement, the Board of Directors comprises Mr Jiang
Jiemin as the Chairman; Mr Zhou Jiping (Vice Chairman) and Mr Liao Yongyuan as
executive Directors; Mr Wang Yilin, Mr Zeng Yukang, Mr Wang Fucheng, Mr Li
Xinhua, Mr Wang Guoliang and Mr Jiang Fan as non-executive Directors; and Mr
Chee-Chen Tung, Mr Liu Hongru, Mr Franco Bernabe, Mr Li Yongwu and Mr Cui Junhui
as independent non-executive Directors.


                                       1



                                    SIGNATURE

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


                                        PetroChina Company Limited


Dated: January 6, 2009                  By: /s/ Li Huaiqi
                                            ------------------------------------
                                        Name: Li Huaiqi
                                        Title: Company Secretary