Canada-based Ensign Energy Services has been working in Venezuela for 25 years and has never left the country, where rig counts have plummeted, and the political and regulatory landscape has been a minefield to navigate. “We’re the only Canadian company — the only oilfield service drilling company — operating in Venezuela,” Bob Geddes, Ensign Energy Services’ president and chief operating officer, told the Financial Post in an interview. “We’ve stuck through Venezuela, thick and thin, and here we…