BAGHDAD, July 3 (Reuters) - Iraqi Oil Minister Ihsan Abdul Jabbar said in a video posted on Saturday on the ministry"s Facebook page that BP (BP.L) was considering withdrawing from Iraq, and that Russia"s Lukoil (LKOH.MM) had sent a formal notification saying it wanted to sell its stake in the West Qurna-2 field to Chinese companies. Abdul Jabbar said the investment environment in Iraq was unsuitable for retaining major investors. The statements were made during a parliamentary session on June 29 to which Abdul Jabbar was invited, oil ministry sources said.