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6. Для кріплення свердловин застосовують сталеві обсадні труби.
7. Перфорація свердловин – пробивання отворів у стінках бурової
свердловини з метою посилення припливу води, нафти, газу у видобувну
свердловину чи пласт.
8. Кріплення свердловин – процес зміцнення (укріплення) стінок
бурових свердловин обсадними трубами.
9. Обсадна колона — колона обсадних труб, яка призначена для кріплення
бурових свердловин, складається з обсадних труб шляхом послідовного
їх зґвинчування.
10. Глушіння свердловин – припинення фонтанування
пластового флюїду зі свердловини шляхом закачування в неї спец.
рідини.

13Translate the following passage into Ukrainian using a dictionary.

A perforation in the context of oil wells refers to a hole punched in
the casing or liner of an oil well to connect it to thereservoir. In cased
hole completions, the well will be drilled down past the section of the formation
desired for production and will have casing or a liner run in separating the formation
from the well bore. The final stage of the completion will involve running in
perforating guns, a string of shaped charges, down to the desired depth and firing
them to perforate the casing or liner. A typical perforating gun can carry many dozens
of charges.
Commonly, perforation guns are run on E-line as it is traditional to use
electrical signals from the surface to fire the guns. In more highly deviated
wells, coiled tubing may be used. Newer technologies allow the guns to be run
on slickline. Modern slickline technology embeds fiber optic lines that can transmit
two-way data on real-time temperature, pressure and seismic responses along the
length of the slickline. This information allows very precise operations of various
down-hole tools, including perforation guns.
The benefit of this strategy is greater deal of control of the well. Casing the
bottom of the hole allows the well to be completed without having to worry about
reservoir fluids. It also allows precise selection of where in the formation production
will be and to be able to seal off perforations, which are no longer useful or
counterproductive, through cementing or straddling.
The disadvantage is that perforating can lead to "skin damage", where debris
from the perforations can hinder productivity of the well. In order to mitigate this,
perforating is commonly done underbalanced (lower pressure in the well bore than in
the formation) as the higher well bore pressure will cause a surge of fluids into the
well at the point of perforating, hopefully carrying the debris with it.

14 Translate the following texts into Ukrainian using a dictionary.

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