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reservoir rock

American  

noun

Geology.
  1. rock that has sufficient porosity to contain accumulations of oil or gas.


Etymology

Origin of reservoir rock

First recorded in 1910–15

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The green layer would be a non- permeable rock, and the yellow would be a reservoir rock.

From Textbooks • Jan. 1, 2017

In California, much less water is used and the period of pressuring the reservoir rock is much shorter, Department of Conservation chief deputy director Jason Marshall said.

From Scientific American • Feb. 11, 2014

Approached from the side with a horizontal shaft, the reservoir rock could be contacted for thousands of feet rather than for the hundred or so feet a vertical well would afford.

From New York Times • Jan. 31, 2013

Oil needs to find light, porous reservoir rock so that it has a place to collect.

From New York Times • Jan. 14, 2011

In accounting for this pressure we must remember that the gas has been compressed within the pores of the reservoir rock by artesian water, and in some cases also by its own expansive force.

From The Elements of Geology by Norton, William Harmon