6-K

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OFFOREIGN ISSUER

Pursuant to Rule 13a-16 or 15d-16 of

the Securities Exchange Act of 1934

For the month of September 2020

Commission File Number: 001-15006

PETROCHINA COMPANY LIMITED

9 DongzhimenNorth Street, Dongcheng District

Beijing, The People’s Republic of China, 100007

(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  ☒            Form 40-F  ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):  ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):  ☐

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  ☒

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

EXHIBITS

Exhibit Number

99.1 Change of Company Secretary and Authorised Representative.

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.

EX-99.1

Exhibit 99.1

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this document, make norepresentation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this document.

中國石油天然氣股份有限公司

PETROCHINA COMPANY LIMITED

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

(Stock Code: 857)

CHANGE OF COMPANY SECRETARY AND AUTHORISED REPRESENTATIVE

The board of directors (the “Board”) of PetroChina Company Limited (the “Company”) hereby announces that, due to his age, Mr. Wu Enlai (“Mr. Wu”) has tendered his resignation as the company secretary of the Company (the “Company Secretary”) with immediate effect. He also has ceased to act as an authorised representative of the Company (the ‘‘Authorised Representative’’) under Rule 3.05 of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the “Listing Rules”).

Mr. Wu has confirmed that he has no disagreement with the Board during his term of office and there is no matter relating to his resignation that needs to be brought to the attention of the shareholders of the Company.

Mr. Wu has been diligent, dedicated and meticulous at work since appointment. The Board would like to express its sincere gratitude to Mr. Wu for his significant contributions to the Company’s business development, management improvement and shareholder returns.

The Company also announces that Mr. Chai Shouping (“Mr. Chai”), the Chief Financial Officer of the Company, is designated to take the role of the Company Secretary and Authorised Representative with immediate effect and subject to the approval from the Board. Mr. Chai is qualified to act as the Company Secretary under Rule 3.28 of the Listing Rules.

The biographical details of Mr. Chai are set out below:

Chai Shouping, aged 58, is currently the Chief Financial Officer of the Company. Mr. Chai is a professor level senior accountant and holds a master’s degree. He has rich financial, operating, and managerial experience in the oil and gas industry of the PRC. From April 2002, he worked as the deputy general manager of the Finance Department of the Company. From September 2012, he served as the chief accountant and member of the Party committee of CNPC E&D (Overseas Exploration and Development branch), the deputy general manager and chief financial officer of CNPC E&D Ltd., the chief financial officer of PetroChina International Investment Company Limited. From March 2013, he served as the general manager of the Finance Department of the Company. Mr. Chai was appointed as the Chief Financial Officer of the Company in January 2017.

Beijing, the PRC

25 September 2020

As at the date of this announcement,the Board comprises Mr. Dai Houliang as Chairman; Mr. Li Fanrong as Vice Chairman and non-executive Director; Mr. Liu Yuezhen, Mr. Lv Bo and Mr. Jiao Fangzheng as non-executive Directors; Mr. Duan Liangwei as executive Director; and Ms. Elsie Leung Oi-sie, Mr. Tokuchi Tatsuhito, Mr. Simon Henry, Mr. Cai Jinyong and Mr. Jiang, Simon X. asindependent non-executive Directors.