International conference on heavy crude and tar sands: 2 

 - Caracas:  UNITAR,  PDVSA,  1982 
 - 742 p.  cuadros. 
<br/><br/>06438 
<br/><br/>Definition and classifications. Cooperation in the development of heavy crude and tar sands. General aspects of international cooperation. Goverment policy. Medium and long term planning and marketing including international trade. Heavy crudes and european market. Ocurrences. The tar sand and heavy crude resources of Nigeria. Biochemistry. Microbial processes and the recovery of heavy petroleum. Exploration and resources evaluation. Electrical geophysical methods in the exploration and mapping of tar sands and heavy oil deposits. Chemistry and geochemistry. Geology. Geoloy and production history of the Grosmont carbonate pilot project, Alberta. Environmental aspects... 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petróleo<br/>Gas Natural<br/>Medio Ambiente<br/>Congresos y Conferencias 
<br/><br/><label>Dewey Class. No.: </label>665.5  / U5813 / n.2 - 1