In order to alleviate their problems many less developed countries (LDCs) are endeavoring to develop to the full their energy resources and in particular their hydrocarbon resources. However, the development of these resources is hindered by many factors, among which are the following: badly established estimates of indigenous resources; under-exploration; lack of competent Government institutions to monitor the hydrocarbon sector; lack of local markets to exploit non-oil hydrocarbon finds; refineries which are outdated, producing the wrong product mix and where economies of scale make upgrading difficult. The purpose of this work is to examine the hydrocarbon sector in the African, Caribbean and Pacific (ACP) group of countries. An examination of such a diverse group of nations on a global scale is difficult since the group includes relatively rich countries such as Trinidad and Tobago with a GNP per capita of $4000,to the sub-Saharan countries such as Mali with a GNP per capita of $120. No easy solutions will be presented to improve the present energy situation in these countries but the reasons for the lack of hydrocarbon development will be examined. The work of the World Bank and similar international financial institutions will be assessed and a potted review of the hydrocarbon sector in each country will be presented.