EnCana's Randy Eresman used to be known in the Canadian oil patch as the "engineer's engineer" the go-to guy who shunned the headlines in favour of combining a collection of disjointed, low output, unconventional gas reservoirs into the puzzle that became the company's core operating focus.
He is one of the driving forces behind the producer streamlining its assets into a massive resource play based on a minimal risk strategy of drilling thousands of wells annually throughout North America to add unconventional production.
However,
