Historic Highlights

Earthstone Energy, Inc., formerly Basic Earth Science Systems, Inc., a Delaware corporation, was formed in 1969, as a geophysical service company.  As Earthstone Energy, Inc.’s predecessor, Basic’s history is outlined below.

  • Mid-70s: Basic becomes a public company.
  • 1980: Basic has first and only public stock offering.
  • Early to Mid-80s: Basic pursues exploration drilling strategy.
  • 1986: Basic caught with huge debt as oil prices collapse.
  • Late 80s to Early 90s: Basic survives price collapse and sells several key assets -
    pays off debt.
  • Early 90s to Early 2002: Basic begins decade of acquiring producing properties.
  • 2002 to Present: Basic posts string of profitable quarters - reinvests cash into exploration drilling.
  • February 26, 2010: Basic changed its name to Earthstone Energy, Inc.
  • December 19, 2014: Strategic combination with Oak Valley Resources, LLC and related acquisition of Eagle Ford interests.



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