Last week, U.S. President Donald Trump’s Venezuela pitch to oil executives to invest the vast sums required to revive the country’s flagging oil sector proved largely ineffectual. Exxon Mobil (NYSE:XOM) CEO Darren Woods offered the starkest assessment, calling the South American country “uninvestable” under its current commercial frameworks and hydrocarbon laws, while ConocoPhillips (NYSE:COP) CEO Ryan Lance also gave Trump a reality check, informing him his company lost billions of dollars when it exited the country under…