The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 166
... petroleum Porosity and perme- ability. 70 millions of barrels per day of crude oil equivalent 60 50 00 30 20 20 10 0 1968 1970 coal oil natural gas hydroelectric power nuclear ... petroleum , because the individual com- pounds 166 Petroleum.
... petroleum Porosity and perme- ability. 70 millions of barrels per day of crude oil equivalent 60 50 00 30 20 20 10 0 1968 1970 coal oil natural gas hydroelectric power nuclear ... petroleum , because the individual com- pounds 166 Petroleum.
Page 168
... petroleum found in the Precambrian and Early Paleozoic rocks ; they also may have contribut- ed to much of the petroleum found in younger rocks . In addition , land plants brought into the lakes and seas by rivers apparently have been ...
... petroleum found in the Precambrian and Early Paleozoic rocks ; they also may have contribut- ed to much of the petroleum found in younger rocks . In addition , land plants brought into the lakes and seas by rivers apparently have been ...
Page 175
... petroleum , and favoura- ble reservoirs are to be expected . Their environment is also favourable for evaporite deposition ; diapiric salt and shale structures have already been mapped in some of them , and other marginal basins show ...
... petroleum , and favoura- ble reservoirs are to be expected . Their environment is also favourable for evaporite deposition ; diapiric salt and shale structures have already been mapped in some of them , and other marginal basins show ...
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