5 Answered Questions for the topic petroleum

07/11/19

What is a "show" in petroleum geology?
Is a *show* when naturally ocurring oil seeps out of a fracture on the surface? Or is it when engineers fracture rocks in order to extract oil?
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06/25/19

What is the age of the earth's oil?
Oil in the ground is found under the oceans and seas. It is made of dead fish. But from what period are those fish? I heard they are about 119 million years old. But fish exist much longer than... more
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Petroleum Geology Gas

05/26/19

What's it like inside a natural gas cavern on Earth?
I suppose natural gas underground caverns on Earth have substantial volume and gas is in gaseous form there.As such I wonder how it would look like inside such cavern (with artificial light of... more
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05/22/19

In the oil field, when a vertical cylinder coring sample is taken, how is the core severed at the bottom and removed from the formation?
I would like to know how the core is cut off at the bottom of the drill. I also would like to know how the core is brought up to the surface without slipping out and falling back down.
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03/18/19

What's it like inside a natural gas cavern on Earth?
I suppose natural gas underground caverns on Earth have substantial volume and gas is in gaseous form there. As such I wonder how it would look like inside such cavern (with artificial light of... more
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