Dry well

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dry well

[′drī ‚wel]
(civil engineering)
A well that has been completely drained.
An excavated well filled with broken stone and used to receive drainage when the water percolates into the soil.
Compartment of a pumping station in which the pumps are housed.
(nucleonics)
The first containment tank surrounding a water-cooled nuclear reactor that uses the pressure-suppressing containment system.

Dry well

Underground structure that captures, then slowly releases stormwater runoff so that it can be absorbed by the soil.

absorbing well, dry well, waste well

A well used for draining off surface water and conducting it underground, where it is absorbed.

dry well

1. A covered pit either with open-jointed lining or filled with coarse aggregate through which drainage from roofs, basement floors, foundation drain tiles, or areaways may seep or leach into the surrounding soil.
2. Same as cesspool.
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References in periodicals archive ?
Ghalib Bin Mabari, the manager of the oil office in Marib governorate, said that rehabilitating the dry wells is necessary.
25 pence since the company announced two dry wells off the Namibian Coast in 2012.
Those innovative models help overcome the several risks associated with geothermal development, among which the most important one is the exploratory drilling risk, which is related to the probability of hitting dry wells during the exploration and appraisal drilling phase," said Youssef Arfaoui, Chief Renewable Energy Specialist.
Looking for new oil fields is far from a safe bet: Tullow Oil has a good track record in oil exploration but it has suffered from a number of dry wells this year.
The altered weather, dry wells and food needs of larger populations interlock in a struggle for arable land and water.
During storms, the canopy's ridges direct rainwater through strategically placed funnels, creating miniature waterfalls around the structure, which enter the ground through circular/oval dry wells.
Exploration costs: The company has writtenoff $161mn for two exploratory dry wells in Ghana drilled in 3Q11.
Dry wells which were supposed to be installed at some point in the development, were missing.
Not only do new reserves threaten to turn out dry wells or unsatisfactory levels of production, but industry competition is fierce (cited by 87% as a risk factor) and companies have to battle over the acquisition of new drilling properties.
The authority said 74 wells turned out to be dry wells, adding that studies would continue at 29 wells this year.
The program not only promotes rain gardens for reducing runoff, but also conservation landscaping, permeable paving stones (in place of concrete driveways and walkways), green roofs, dry wells and rain barrels.
7 January 2011 - Shares in Sweden-based oil and gas group PA Resources AB (STO: PAR SEK) plummeted 24% today after the group reported lower-than-expected oil production in 2010 and three dry wells in Congo.