Oil prices were largely steady in volatile trading on Thursday as the market weighed concerns over global supply against a build in U.S. fuel product inventories.
Brent crude futures for September, the more actively traded contract, were up 28 cents, or 0.3%, at $112.73 a barrel by 0911 GMT. The August contract, which expires on Thursday, was down 11 cents, or 0.1%, at $116.15.
U.S. West Texas Intermediate (WTI) crude futures rose 20 cents, or 0.2%, to $109.98.
Zephyr Energy plc (LON:ZPHR) is an investment platform formed to aggregate responsibly-developed, economically-attractive oil and gas interests in the Rocky Mountain region of the United States.