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November 26, 2021updated 27 Apr 2022 12:54pm

Ayatsil Heavy Oil Field, Mexico

By Carmen

Ayatsil is a producing heavy oil field located in shallow water in Mexico and is operated by Petroleos Mexicanos . The field is located in block A-0032-Ayatsil, with water depth of 358 feet.

An expansion project is associated with the Ayatsil, namely Ayatsil Development. This project is currently in the approval stage.

Field participation details

The field is owned by Petroleos Mexicanos .

Production from Ayatsil

The Ayatsil heavy oil field recovered 21.75% of its total recoverable reserves, with peak production expected in 2022. The peak production was approximately 94.58 thousand bpd of crude oil and condensate and 7 Mmcfd of natural gas. Based on economic assumptions, production will continue until the field reaches its economic limit in 2081. The field currently accounts for approximately 4% of the country’s daily output.

Remaining recoverable reserves

The field is expected to recover 498.07 Mmboe, comprised of 495.04 Mmbbl of crude oil & condensate and 18.2 bcf of natural gas reserves. Ayatsil heavy oil field reserves accounts 1.14% of total remaining reserves of producing heavy oil fields globally.

Contractors involved in the Ayatsil heavy oil field

Some of the key contractors involved in the Ayatsil project as follows.

Main EPC: McDermott International and Sapura Energy

About Petroleos Mexicanos

Petroleos Mexicanos (Pemex ) is a state-owned integrated oil and gas company. It operates across the value chain of oil and gas industry, from exploration and production to processing, logistics, and marketing. The company also produces and distributes a wide range of petrochemical products. Pemex owns and operates oil refineries, petrochemical and gas processing complexes, land and maritime terminals, oil and gas pipelines, maritime vessels, and fleet of road transportation. The company sells gasoline and diesel in the domestic market through gas service stations under the Pemex brand. It also exports crude oil, natural gas, petroleum and petrochemical products to international markets. Pemex is headquartered in Mexico City, Mexico.


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.

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