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Oil and gas well intervention costs in Mexico could surpass $3 billion over the next three years

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As around 75% of Mexico’s oil and gas producing wells are ageing, intervention activities should remain resilient in the years ahead, likely surpassing $3 billion from 2021 to 2023, a Rystad Energy analysis shows. Around 30% of that will be spent onshore with the remaining 70% going offshore.

The number of producing offshore wells in Mexico dropped by 14% between 2015 and 2020, with a steeper decline for onshore wells, at 27%. The drops follow relatively slower drilling activities over the same timeline, with offshore drilling at around 60% of the level seen between 2010 and 2015. For onshore drilling, the drop was even bigger, with the number of completed wells down nearly 80% from 2015 to 2020 compared to the previous five-year period.

As a result, the median age of producing wells has increased for both onshore and offshore wells over the past five years. In the offshore segment, the median age of producing wells has increased from 8.1 years to 11.5 years, while doubling for the onshore segment, from 6.7 to 13.6 years.

“Both onshore and offshore drilling activity experienced peaks before 2015, so the median age for producing wells in Mexico has increased significantly in the past few years. Water cuts have also increased for a majority of both offshore and onshore wells from 2015 to 2020. In addition, there seems to be an increased willingness to pursue intervention on younger fields,” says Daniel Holmedal, energy research analyst at Rystad Energy.

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Oil wells typically require more intervention than gas wells. Looking deeper into specific fields, using costs from Comisión Nacional de Hidrocarburos (CNH), we see some clear examples of fields that are likely to need spending on intervention over the next three years.

Among the onshore fields that will require the most spending, Samaria Terc leads by far. Most of its producing wells, at more than 150 in total, have a median wellbore age of eight years with wellbore lengths of around 2,100 meters. The Cardenas, with eight producing wells and the Madrefil field, with six, are the second and fourth in onshore spending, respectively. They have fewer producing wells, but the wellbore length is longer, at 5,800 meters, for the Cardenas and 6,600 meters for the Madrefil. The more complex wells at Cardenas and Madrefil are likely to require costlier intervention techniques compared to the ones at Samaria Terc.

In the offshore segment, four out of the top five fields in terms of spending are fixed facilities with Ku being the sole exception as a floater. In terms of the wellbore age, Ayatsil-Tekel at two years and Balam at six years have the lowest median wellbore age, along with the longest offshore wells at 4,300 meters and 4,900 meters, respectively.

For service suppliers exposed to the Mexican market, these fields provide a good breadth of intervention possibilities in the years ahead. While fields like Ayatsil-Tekel and Balam are likely to require costlier intervention techniques, Zaap and Maloob will see lighter interventions.

For more analysis, insights and reports, clients and non-clients can apply for access to Rystad Energy’s Free Solutions and get a taste of our data and analytics universe.

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Contacts

Daniel Holmedal
Energy research Analyst
Phone: +47 24 00 42 00
daniel.holmedal@rystadenergy.com

 

Lefteris Karagiannopoulos
Media Relations Manager
Phone: +47 90228994
lefteris.karagiannopoulos@rystadenergy.com

 

About Rystad Energy
Rystad Energy is an independent energy research and business intelligence company providing data, tools, analytics and consultancy services to the global energy industry. Our products and services cover energy fundamentals and the global and regional upstream, oilfield services and renewable energy industries, tailored to analysts, managers and executives alike. Rystad Energy’s headquarters are located in Oslo, Norway with offices in London, New York, Houston, Aberdeen, Stavanger, Moscow, Rio de Janeiro, Singapore, Bangalore, Tokyo, Sydney and Dubai.