DEA Deutsche Erdoel
DEA Deutsche Erdoel AG, headquartered in Hamburg, Germany, was involved in the exploration and production of natural gas and crude oil both domestically and internationally. The company held production and exploration licenses across several countries, including Germany, Algeria, Denmark, Egypt, Ireland, Libya, Norway, Suriname, and Turkmenistan. As of January 1, 2017, DEA reported proved plus probable reserves totaling 667 million barrels of oil equivalent. Originally founded in 1899 as RWE Dea AG, the company rebranded to DEA Deutsche Erdoel AG in March 2015. With a workforce of approximately 1,150 employees, DEA had extensive experience in the upstream oil and gas sector until its acquisition by Wintershall Dea GmbH in May 2019.
Sierra Oil & Gas, S. de R.L. de C.V., founded in 2014 and based in Mexico City, specializes in oil and gas production and exploration services. The company operates independently in the Mexican energy sector, concentrating on the exploration, development, and production of low-to-medium risk upstream and midstream opportunities. With a commitment to ethical standards and operational best practices, Sierra emphasizes transparency and local expertise, aligning its identity with the broader Mexican energy reform. As of March 2019, it functions as a subsidiary of DEA Deutsche Erdoel México, S. de R.L. de C.V., further enhancing its capabilities within the industry.
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