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Set of flashcards Details

Flashcards 44
Language English
Category Nature Studies
Level University
Created / Updated 07.01.2013 / 07.01.2013
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how do fractures affect ultrasound

waves fastest parallel to fractures

(due to effects of fluids in fractures and continuous rock )

problems with relating curvature to fracture density

curvature doesn't indicate strain accommodation mechanism, also only measuring current structural setup.

Guassian curvature?

the product of the two primcipal curvatures of a surface

ie.

Cylindrical folds K′ = 0
Periclinal folds K′ ≠ 0

Productivity index

PI or J

J=rate of production/drawdown