|
|
| PAGES: 1 2 3 >> |
| |
| Anticline |
Fold in layered rocks originating below surface in form of an elongated dome. |
| |
|
| Aquifer |
Underground zone of permeable rock saturated with water under pressure. |
| |
|
| Cap Rock |
Impervious layer which overlies a reservoir rock preventing hydrocarbons escaping. |
| |
|
| Capillaries |
Minute spaces, cracks or pores in rock through which hydrocarbon fluids move in response to natural forces. |
| |
|
| Carboniferous |
Period of geological time about 400 - 300 million years ago. |
| |
|
| Devonian |
Period of geological time about 400 - 300 million years ago. |
| |
|
| Fault |
A line of fracture along which one body of rock or section of Earth's crust has been displaced relative to another. |
| |
|
| Formation Pressure |
Water underlying gas and oil in formation. |
| |
|
| Geology |
Field of science concerned with origin of planet Earth, its history, its shape, materials forming it, and processes that are acting and have acted on it. |
| |
|
| Igneous rocks |
Formed from solidification of molten magma. |
| |
|
| Impermeable |
Fluids cannot flow through rocks (clays, cemented sandstone or salt) where cracks and pore spaces are very small or are blocked by mineral growth. |
About Permian 
