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Sierra is a mining company that explores and produces oil and gas properties... Read more
Sierra is a mining company that explores and produces oil and gas properties... Read more
CEO
Ivan Sandrea
News
Mar 22, 2019
Rigzone
Sierra Oil & Gas: DEA Completes Sierra Acquisition
Mar 20, 2019
Offshore Magazine
Sierra Oil & Gas: DEA takes full control of Mexican offshore E&P company
Dec 05, 2018
Oil & Gas Journal
Sierra Oil & Gas: DEA to focus on Zama discovery with Sierra acquisition
Dec 05, 2018
Drilling Contractor
Sierra Oil & Gas: DEA to acquire Sierra Oil & Gas in Mexico, including stake in world class Zama discovery
Dec 05, 2018
4-traders
Sierra Oil & Gas: Riverstone Energy : Sale of Sierra Oil & Gas
Dec 05, 2018
Interactive Investor
Sierra Oil & Gas: Riverstone Energy Sells Portfolio Company Sierra For Undisclosed Sum
Dec 05, 2018
WebFG
Sierra Oil & Gas: Riverstone Energy sells interest in Sierra Oil & Gas
Dec 04, 2018
FinanzNachrichten
Sierra Oil & Gas: Sierra Oil & Gas announces agreement with Deutsche Erdoel AG
Jun 29, 2018
Offshore Technology
Sierra Oil & Gas: Deals this week: Sierra Oil & Gas, i3 Energy, Oranto Petroleum Company
Jun 23, 2018
Emirates Business
Sierra Oil & Gas: Sierra hires Canada's Scotia Waterous to sell stake in Mexico block
Sierra Oil & Gas Competitors
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