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A well is an excavation or structure created on the earth by digging, driving, or drilling to access liquid resources, usually water. The oldest and most common kind of well is a water well, to access groundwater in underground aquifers. The well water is drawn up by a pump, or using containers, such as buckets that
Well-being is the state that egoists seek for themselves and altruists aim to increase for others. [20] Many disciplines examine or are guided by considerations of well-being, including psychology, ethics, economics, medicine, and law. [21] The word well-being comes from the Italian term benessere. It entered the English language in the 16th ...
"Hail fellow well met" is an English idiom used when referring to a person whose behavior is hearty, friendly, and congenial. It is typically used to imply the behaviour is excessive or insincere. It is typically used to imply the behaviour is excessive or insincere.
An artesian well is a well that brings groundwater to the surface without pumping because it is under pressure within a body of rock or sediment known as an aquifer. [1] When trapped water in an aquifer is surrounded by layers of impermeable rock or clay, which apply positive pressure to the water, it is known as an artesian aquifer . [ 1 ]
It is said that the origin is sometimes derived from the city of Wells, but could also be from an old English word for Wales or a habitational surname from any of several places named with the plural of Old English well(a) ‘spring’, ‘stream’, or a topopgraphical name from this word (in its plural form), for example Wells in Somerset or Wells-next-the-Sea in Norfolk.
Well completion is the process of making a well ready for production (or injection) after drilling operations. This principally involves preparing the bottom of the hole to the required specifications, running in the production tubing and its associated down hole tools as well as perforating and stimulating as required.
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Well engineering consists of engineering facilitating the design and construction of a well. It is based on pore pressure , kick tolerance, casing functions, casing design and cementing. It is sometimes related to drilling and petroleum engineering .