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Exploration & Production

Exploration & Production

Alaska

Repsol holds an interest in approximately 750,000 gross acres on the North Slope in Alaska, where we have announced several significant discoveries in the Nanushuk formation.
In 2017, Repsol announced the Horseshoe discovery, which is the largest conventional onshore oil discovery in the United States in 30 years. Horseshoe extends the Nanushuk more than 20 miles south of the Pikka Unit, where Repsol previously achieved discoveries in the same interval.
Repsol holds a 25% working interest in the Horseshoe discovery and 49% in the Pikka Unit, where development permitting is currently underway.

Eagle Ford Shale

Repsol holds about 70,000 acres in the Eagle Ford Shale in South Texas, with average production of approximately 54,000 barrels of oil equivalent per day. 

US Gulf of Mexico

Repsol holds a working interest in 32 blocks on approximately 70,000 net acres in the deepwater US Gulf of Mexico, with average net production of more than 16,500 barrels of oil equivalent per day. 
Repsol holds a 28% working interest in Shenzi, which has produced more than 350 million barrels of oil equivalent gross since 2009. The company holds a 22.5% working interest in Buckskin, where first oil was achieved in 2019.

Marcellus Shale

The Marcellus Shale is one of the largest natural gas fields in the world, extending throughout the Appalachian Basin and stretching across Pennsylvania.

Repsol holds an interest in 168,400 net acres in the Marcellus Shale. The company’s acreage is primarily located in northeastern Pennsylvania in Bradford, Susquehanna and Tioga counties. Repsol’s working interest natural gas production from the play averaged 491 million cubic feet per day during 2017.

The company owns and operates midstream assets in Pennsylvania comprising approximately 315 miles of production and gathering pipelines, which are serviced by eight compression and gas dehydration facilities. The midstream assets, having a meter sales capacity of 1.5 billion cubic feet per day, currently deliver gas into multiple interstate pipeline systems.

Click here to watch our video "Repsol in the Marcellus Shale."

Trenton-Black River

Repsol acquired assets in the Trenton-Black River Formation in New York through the acquisition of Talisman Energy in 2015. The gas-rich acreage contains 80 producing wells in Chemung, Steuben, Tioga and Schuyler counties.
The Bucksin development

Repsol reflects on the successful revitalization of its Buckskin project

After drilling the discovery well in 2009, Repsol is proud to have been a driving force behind Buckskin from the project’s very beginning. Learn more about how Repsol optimized Buckskin for development and continues to support the project as a non-operating interest owner today.
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