| http://www.w3.org/ns/prov#value | - Among such risks are: changes in crude oil or natural gas prices, refining, marketing and chemicals margins, or other market conditions affecting the oil and gas industry; higher-than-expected costs of, or delays in, planned development or completion of repair projects, capital projects, acquisitions, or dispositions; operational interruptions, unforeseen technical difficulties and/or changes in t
|
