Tambococha is a producing heavy oil field located onshore Ecuador and is operated by Petroamazonas EP. The field is located in block Block 43 (Itt).

An expansion project is associated with the Tambococha, namely Tambococha Development. This project is currently in the feasibility stage.

Field participation details

The field is owned by EP Petroecuador.

Production from Tambococha

The Tambococha heavy oil field recovered 16.03% of its total recoverable reserves, with peak production expected in 2023. The peak production will approximately 43.26 thousand bpd of crude oil and condensate and 1 Mmcfd of natural gas. Based on economic assumptions, production will continue until the field reaches its economic limit in 2093. The field currently accounts for approximately 7% of the country’s daily output.

Remaining recoverable reserves

The field is expected to recover 244.65 Mmboe, comprised of 243.81 Mmbbl of crude oil & condensate and 5.06 bcf of natural gas reserves. Tambococha heavy oil field reserves accounts 0.56% of total remaining reserves of producing heavy oil fields globally.

Contractors involved in the Tambococha heavy oil field

The key contractors involved in the Tambococha project as follows.

Other Contractors: CNPC Chuanqing Drilling Engineering

About Petroamazonas EP

Petroamazonas EP (Petroamazonas) is a state-owned oil and gas company which provides exploration and production of hydrocarbons and related substances. The company operates upstream oil and gas operations which include assets management, planning and management control, financial management, maintenance, information technology, operations and drilling, among others. It also provides programs and services such as data mangement, plans and manuals, safety health, software and environment, community relations, and drilling services. Petroamazonas explores and produces light, medium, heavy and extra heavy crude oil, as well as natural gas in Ecuador. Petroamazonas is headquartered in Quito, Pichincha, Ecuador.


Information on the field is sourced from GlobalData’s fields database that provides detailed information on all producing, announced and planned oil and gas fields globally. Not all companies mentioned in the article may be currently existing due to their merger or acquisition or business closure.