GEOL 1001 Chapter : Chapter 12 - Oil
Document Summary
When the oil prices go up, there are lots of jobs. When oil prices go down, they get rid of re ning because it has low pro t yields. Hydrocarbon - fossil fuels (oil and gas) (cid:12254) (cid:12254) When it is a short chain it is gas, long chain is tar. The longer the chain the thicker it is. Ooze on the bottom of the ocean turn into organic shale. Once we bury it to 2 to 4 km, heat causes chemical reactions to occur. Above 250, all hydrogen gets driven away and it turns to graphite (carbon) Reservoir rock - rock that contains oil and gas that can ow through the rock a. b. Porous - has space between the grains (sandstone) Sealrock - impermeable - shale, salt, infra turned limestone. Big trucks with vibrations or dynamite, waves bounce o of rocks below and come back to the seismometer. rotary bit pump drilling muds.
