In this articleCVXView of a chimney at an oil refining plant of state-owned Petroleos de Venezuela (PDVSA) in Puerto La Cruz, Anzoategui state, Venezuela, on Nov. 4, 2021.Yuri Cortez | Afp | Getty ImagesThe arrest of Nicolás Maduro has thrown one of the world's most politically fraught oil industries back into focus, forcing investors to reassess who controls Venezuela's crude resources and whether they can be meaningfully revived after decades of decline.For now, the answer may seem straightforward. "Petró ...