ConocoPhillips Profit Up on Oil Prices  NEW YORK (Reuters) - ConocoPhillips &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=COP.N target=/stocks/quickinfo/fullquote"&gt;COP.N&lt;/A&gt;, the No. 3 U.S.  oil company, on Wednesday reported a 53 percent jump in  quarterly profit, as soaring oil and gas prices offset the  impact of lower production volumes.