US bank Goldman Sachs said in a note on Wednesday that because of the sanctions there was "limited ability for non-US refiners to take on Venezuela's very heavy crude" beyond India and China. DOUBLING INDIA SALES Before the sanctions, PDVSA shipped over 500,000 barrels per day to the United States, its largest cash market, followed by India then China, at above and below 300,000 barrels per day respectively. Venezuela has sent its oil minister, Manuel Quevedo, to India to convince refiners, including Reliance Industries Ltd and Nayara Energy Ltd, to double their oil purchases. "We are selling more than 300,000" barrels per day to Indian buyers, Mr Quevedo said on Monday in New Delhi. "We want to double that amount." Reliance is among PDVSA's main cash-paying customers, while Nayara receives Venezuelan oil from one of its largest stakeholders, Russian oil-giant Rosneft.