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About Us

Exploration & Production

Exploration & Production


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. 

Gulf of Mexico

In 2006, Repsol started the development of the Shenzi field that has produced more than 300 million boe by 2017.
We are also developing our discovery in Buckskin, where we spud the first producing well in January 2018. The field is estimated to contain nearly five billion barrels of oil in place. First production is expected in mid-2019.
In 2014, Repsol announced the Leon discovery in Keathley Canyon Block 642. Following a successful appraisal in 2016, we are continuing to evaluate the results of the project.

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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