cap rock


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Related to cap rock: reservoir rock, source rock

cap rock

n
1. (Geological Science) a layer of rock that overlies a salt dome and consists of limestone, gypsum, etc
2. (Geological Science) a layer of relatively impervious rock overlying an oil- or gas-bearing rock

cap′ rock`

or cap′rock`,


n.
a mass of anhydrite, gypsum, or limestone immediately above the salt of a salt dome.
[1865–70, Amer.]
Translations

cap rock

n (Geol) → roccia di copertura
References in periodicals archive ?
Mount Sodom is essentially a huge salt block covered by a thin but resilient layer of cap rock.
The Ghazij Shales act as cap for SML and SUL while Sirki Shales over HRL act as a cap rock.The present study focused on the formation evaluation and integrating it with petrophysics based on well log data in Eocene reservoirs in Qadirpur area.
In this example the stemming would be 55 feet in length, way too much resulting in excessive cap rock and additional crushing and secondary blasting.
Dr Busch said: A proposed CO2 reservoir usually has a solid cap rock, the rock layer on top of the reservoir that keeps the CO2 safely underground.
In this manuscript, the geological feasibility of underground oil storage in Jintan salt mine had been analyzed from the Jintan geological data and related rock parameters including the geological characters, tightness of cap rock, tightness of targeted strata, and sealing of existing salt caverns (Figure 2), from which we could judge whether Jintan salt mine strata was suitable for large-scale oil storage.
The reservoir rock of Pohang Basin is developed at depths of more than 750 m and covered with a thick mudstone cap rock (Figure 1) [20, 24].
It produces 32-34[degrees] API oil from an Asmari Fm, partly equivalent to Iran's Asmari and lying below a Miocene Lower Fars cap rock. Additional production is possible from the Upper Cretaceous Shiranish Fm (27[degrees] API) and the Mid-Cretaceous Qamchuqa Fm.
I didn't know if this would set off bells and whistles, but to my surprise, the ranger told me about Cap Rock. I found the site and left Gram an offering.
Posting on their page, the group said: "Apparently, a wet spring lubricated across a cap rock. Then, a small spring on either side caused the bottom to slide out.
Another major factor, highlighted in a recent PUC report, was Sharyland's 2010 acquisition of Cap Rock Energy, an electric cooperative that later became regulated.
This requires a "cap rock," or an impervious rock layer that becomes a seal over the reservoir.