President Nicolas Maduro ’s removal of his main economic and oil policy maker improves Venezuela’s chances of tapping more of the world’s largest crude reserves, according to Barclays Plc and Medley Global Advisors LLC. While Rafael Ramirez ’s exit from the posts of vice president for economy and energy minister dims hopes for economic reform, it may give his successor at Petroleos de Venezuela SA the opportunity to focus more on the job of pumping oil. Besides running PDVSA, Ramirez oversaw the exchange system and housing programs among other non-oil duties. His deputy on the PDVSA board, Eulogio Del Pino, will take over as part of a series of government changes unveiled by Maduro on Sept. 2. With a master’s degree in exploration from Stanford University , Del Pino oversaw the company’s operations and coordinated agreements with international oil firms as head of Corporacion Venezolana del Petroleo, or CVP. […]