Ronald F. Broadhead, New Mexico Bureau of Geology and Mineral Resources, a. Division of New Mexico Institute of Mining and Technology. INTRODUCTION. The oil and natural gas that are produced from oil and gas fields reside in porous. and permeable rocks (reservoirs) in which these liquids have collected and accumulated.
Germans (German: Deutsche) are a Germanic ethnic group native to Central Europe, who share a common German ancestry, culture and history, and speak the German language as their native language.
1 Other geographical surnames in Germany are derived from the state, region, or village of the first bearer's origin, often reflecting a division in tribes and regions, i.e. low German, middle German and upper German. ( 2 Paul Cullen-Paul from Koeln/Cologne).