sentences:  After this, NOC became the sole owner of WOC.In 2002, the previous parties involved re-established communications with NOC and WOC.On 20 September 2004, President George W. Bush signed Executive Order 12543, lifting most remaining U.S. sanctions against Libya and paving the way for U.S. oil companies to try to secure contracts or revive previous contracts for tapping Libya’s oil reserves.