Receive our newsletter – data, insights and analysis delivered to you
  1. Market Data
December 1, 2021

St Malo Conventional Oil Field, US

By Carmen

St Malo is a producing conventional oil field located in ultra-deepwater in the US and is operated by Union Oil Company Of California. The field is located in block Walker Ridge 677, Walker Ridge 678, and Walker Ridge 634, with water depth of 7,040 feet.

An expansion project is associated with the St Malo, namely St Malo Stage 4. This project is currently in the construction stage, expected to start in 2023.

Field participation details

The field is owned by Chevron, Equinor, Murphy Oil, Petroleo Brasileiro, Exxon Mobil and Eni.

Production from St Malo

The St Malo conventional oil field recovered 66.45% of its total recoverable reserves, with peak production in 2018. The peak production was approximately 99.03 thousand bpd of crude oil and condensate and 24 Mmcfd of natural gas. Based on economic assumptions, production will continue until the field reaches its economic limit in 2041.

Remaining recoverable reserves

The field is expected to recover 82.18 Mmboe, comprised of 78.07 Mmbbl of crude oil & condensate and 24.65 bcf of natural gas reserves. St Malo conventional oil field reserves accounts 0.02% of total remaining reserves of producing conventional oil fields globally.

Contractors involved in the St Malo conventional oil field

Some of the key contractors involved in the St Malo project as follows.

Main EPC: Subsea 7

Other Contractors: Subsea 7

Content from our partners
How the North of Tyne region is leveraging its legacy to define its future
Q&A with Chevron Lubricants’ Paul Sly, global industrial OEM specialist, and Nathan Knotts, global brand technical manager
The important role of antifoam agents in oil-gas separation and amine treating

About Union Oil Company Of California

Union Oil Company Of California (Union Oil Company) is an upstream energy company. It is engaged in exploration and production activities of crude oil and natural gas. The company was formed on October 17, 1890 in Santa Paula, California, as the Union Oil Company Of California. In 2005, it was acquired by Chevron Corporation and became a wholly owned subsidiary. It ceased operations as an independent company and began operating as a subsidiary of Chevron Corporation. Union Oil Company is headquartered in California in the US.


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.

Related Companies

NEWSLETTER Sign up Tick the boxes of the newsletters you would like to receive. The top stories of the day delivered to you every weekday. A weekly roundup of the latest news and analysis, sent every Friday. The industry's most comprehensive news and information delivered every month.
I consent to GlobalData UK Limited collecting my details provided via this form in accordance with the Privacy Policy