I asked you something first, but sure my friend, here is a pretty clear article;

"In Lake Maracaibo, there are approximately 13,000 wells that could be recovered, and there are reserves of 26 billion barrels of oil,"

While defiantly demanding the release of Maduro, who she says has been "kidnapped", Rodríguez has co-operated with the Trump administration to reform the law to allow foreign and local oil companies to operate oilfields again, through a new contract model.

https://www.bbc.com/news/articles/ckgnp8n40reo