Petrobras - Petroleo Brasileiro SA 6-K, filed Dec 14, 2020

UNITED STATES

SECURITIES AND EXCHANGECOMMISSION

Washington, D.C.20549

FORM 6-K

Report of Foreign Private Issuer

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

Securities Exchange Act of 1934

For the month ofDecember, 2020

Commission File Number1-15106

PETRÓLEO BRASILEIROS.A. – PETROBRAS

(Exact name of registrant as specified in its charter)

Brazilian PetroleumCorporation – PETROBRAS

(Translation of Registrant's name into English)

Avenida Repúblicado Chile, 65 20031-912 – Rio de Janeiro, RJFederative Republic of Brazil

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover 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____

Petrobras starts non-binding phase of Marlim Cluster

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Rio de Janeiro, December 14, 2020 - Petróleo Brasileiro S.A. – Petrobras, following up on the release disclosed on November 16, 2020, informs the beginning of the non-binding phase regarding the sale of 50% of its stakes in the concessions of Marlim, Voador, East Marlim and South Marlim, together called the Marlim Cluster, located predominantly in deep waters in the Campos Basin.

Potential buyers qualified for this phase will receive instructions on the divestment process, including guidelines for the preparation and submission of non-binding proposals, as well as access to a virtual data room containing additional information about the Cluster. The main subsequent stages of the project will be reported to the market in due course.

This disclosure complies with the Petrobras' internal rules and with the provisions of the special procedure for assignment of rights to exploration, development and production of oil, natural gas and other fluid hydrocarbons, provided for in Decree 9,355/2018.

About Marlim Cluster

The Marlim Cluster comprises 4 production concessions located in the Campos Basin. Petrobras is the operator of the fields with 100% stake.

The Marlim and Voador fields occupy an area of 339.3 km^2^ and are located in deep waters, with water depth ranging from 400 m to 1,050 m, at a distance of about 150 km from Macaé, on the northern coast of the state of Rio de Janeiro. Marlim and Voador share the production infrastructure and, between January and November 2020, produced an average of 65.3 thousand barrels of oil per day and 885 thousand m^3^/day of gas.

The Marlim Leste field is located east of the Marlim field, at a distance of about 107 km from Cabo de São Tomé, located in deep and ultra-deep waters, with water depth ranging from 780 m to 2,000 m. From January to November 2020, Marlim Leste produced an average of 39.4 thousand barrels of oil per day and 633 thousand m^3^/day of gas.

The Marlim Sul field is located south of the Marlim and Marlim Leste fields, at a distance of about 90 km from the northern coast of Rio de Janeiro, located in deep and ultra-deep waters, in water depth that vary from 800 m to 2,500 m and produced on average, from January to November 2020, about 109.6 thousand barrels of oil per day and 2,073 thousand m^3^/day of gas.

www.petrobras.com.br/ir

For more information:

PETRÓLEO BRASILEIRO S.A. – PETROBRAS| Investors Relations

email: petroinvest@petrobras.com.br/acionistas@petrobras.com.br

Av. República do Chile, 65 – 1803 – 20031-912 – Rio de Janeiro, RJ.

Tel.: 55 (21) 3224-1510/9947 | 0800-282-1540

This document may contain forecasts within the meaning of Section 27A of the Securities Act of 1933, as amended (Securities Act), and Section 21E of the Securities Trading Act of 1934, as amended (Trading Act) that reflect the expectations of the Company's officers. The terms: "anticipates", "believes", "expects", "predicts", "intends", "plans", "projects", "aims", "should," and similar terms, aim to identify such forecasts, which evidently involve risks or uncertainties, predicted or not by the Company. Therefore, future results of the Company's operations may differ from current expectations, and the reader should not rely solely on the information included herein.

SIGNATURES

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.

Date: December 14, 2020

PETRÓLEO BRASILEIRO S.A–PETROBRASBy: /s/ Andrea Marques de Almeida

______________________________

Andrea Marques de Almeida

Chief Financial Officer and Investor Relations Officer