ConocoPhillips said PDVSA operations, including an ongoing bond swap that uses shares in Citgo as collateral, are part of an effort to prevent ConocoPhillips from collecting compensation in a dispute over a 2007 nationalization of its Venezuela holdings.

ConocoPhillips has for nearly a decade been pursuing a case against Venezuela in a World Bank tribunal to obtain billions of dollars in compensation for the 2007 takeover of its Venezuela assets by late socialist leader Hugo Chavez.

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