If you read @azircon's comment on this post, using Venezuelan oil any time soon is not likely. He is an engineer in the oil and gas industry and has expertise in assessing oil supplies and accessibility. Here's an excerpt from his comment:

It will not be easy to increase production overnight, it will take tens of years of stable governments and investments to see meaningful improvement
If US policy reverses in 3 years, nothing will happen that is meaningful, both to the people and to the infrastructure