From: Paul Bullock (paulbullock@EBMS-LTD.CO.UK)
Date: Tue Jan 24 2006 - 11:30:29 EST
New techniques have been developed, and are to be used in the Orinoco to extract such venezuelan oil. Reports from the PDVSA explain this. Paul Bullock ----- Original Message ----- From: "Jerry Levy" <Gerald_A_Levy@MSN.COM> To: <OPE-L@SUS.CSUCHICO.EDU> Sent: Tuesday, January 24, 2006 2:44 PM Subject: Re: [OPE-L] Oil Sands > > From my reading of literature on the oil sands during the 1975 oil > > crisis my recollection was that the high costs came from the work > > that had to be done to extract the oil from the sands, and the greater > > degree of refining needed. As I understand it, oil sands or shales > > need to be baked in a process analogous to the reforming of coal > > into oil. It is this baking that is costly. > > It also means that a significant part of the energy in the oil sands > > has to be expended in the processing itself. Another cost comes > > from the relatively lower hydrogen content of the oil and possibly > > its high sulphur content. This makes it less suitable for the > > light oils need for cars, but it remains suitable for heavy fuel oil. > > Hi Paul C, > > Haven't there been any technological breakthroughs in the > extraction of the oil from the sands and the refining process since > the mid-1970s? > > In solidarity, Jerry > >
This archive was generated by hypermail 2.1.5 : Wed Jan 25 2006 - 00:00:01 EST