ABSTRACT.

The significance of world oil shale deposits, as 1 crude oil reserves, is outlined. Present and past ventures devoted to the commen are reviewed. World energy sources and utilization rates are examined. The impact or economic Iacrors uson energy source decisions is ! Recent oil shale is described. Produe * are considered from both qi litative standpoints. The tin...., biGaL.vn of a new major segment of km*- yGrivi-uiii iiiuuati, "-sed on oil shale is seen to be reduced, essentially, to a question of an approp ind balance. The benefits of such ultimate fruition are seen to be substantial. :ts available from oil shale rh, - -+-..I-..- L-.

RESUME.

Le mémoire souligne l'importance des gisements IUVUU~~~~U- U .nuile de schiste par rapport aux réserves de pétrole brut habituel. II passe en revue les entreprises anciennes et actuelles consacrées à la commercialisation de l'huile de schiste. I1 analyse également les sources mondiales d'énergie et leur pourcentage d'utilisation. L'influence des facteurs économiques sur le choix des sources d'énergie est souligné. I1 décrit les plus récentes et importantes recherches entreprises sur l'huile de schiste et envisage, des points de vue de la quantité et de la qualité, les produits pouvant être obtenus en traitant de l'huile de schiste. Le choix du moment, pour la création d'une nouvelle 1 rie pétrolière basée sur l'huile de schiste, dépend uniquement de l'équilibre entre la d uction. Les bénéfices de cette dernière réalisation sont considérés comme étant substant.-.-. wanche de I'indust lemande et la prodi idp.

Introduction

We have heard a great deal in recent years about the world's future energy needs. Unanimous opinion on such a speculative subject is, of course, impossible. Yet, there is nonetheless widespread agreement on two ' facts:

  1. the basic forces responsible for energy expansion-population and industrial growth-will continue to push the world's energy needs upward by 3 to 4 percent per year. This means a doubling of energy requirements every 20 to 25 years. And

  2. crude oil, the source of much of the world's heat and mobile power, is becoming increasingly costly to find, develop, and produce.

Eventually, perhaps in one or two decades, we will see emeree a gradually widening gap between the de oil and the supply that can be prov npetitive with alternative energy sourc For a country like the United States, the picture is a little clearer. Since we now consume about 40 percent of the world's annual production of crude oil, while possessing less than 15 percent of its proved

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