By Marcy de Luna HOUSTON (Reuters) – Oil prices soared more than 6% on Monday, with global benchmark Brent crude climbing above $115 a barrel, as European Union nations considered joining the United States in a Russian oil embargo and after a weekend attack on Saudi oil facilities. Brent rose $7.14, or 6.6%, to $115.07 a barrel by 12:33 p.m. EDT (1633 GMT), while U.S. West Texas Intermediate (WTI) crude futures rose $5.85, or 5.6%, to $110.55. European Union governments will consider whether to impose an oil embargo on Russia over its invasion of Ukraine as they gather this week with U.S. Pres…