Enhanced oil recovery methods are necessary because
A. the presence of natural gas makes it impossible to pump liquid petroleum.
B. drilling directly into an oil field is often not possible.
C. only about one third of the liquid petroleum within a field can be recovered by initial pumping.
D. increasingly, drilling directly into an oil field is being banned by law.
Answer: C
You might also like to view...
An 8-ball collides with a cue ball. No external force is involved in
A. any system. B. a one-ball system. C. a two-ball system. D. none of the above
Where did the carbon dioxide and methane data in the SmartFigure come from?
Exponential growth occurs when a population increases at a(n) ____ per unit time.
A. fixed number B. rate that decreases C. fixed percentage D. slow rate E. unpredictable rate
What are the topographic features of each of the four major landform subregions of the Inland South?
What will be an ideal response?