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пласта) закрепления скважин

29 dissipate розсіювати рассеивать
30 string колона (НКТ) колонна

2 Match the words in column A with their definitions in column B.
A B

1 valve a The process of making a well ready for production (or
injection).
2 jet b pierce, punch, or bore a hole or holes in; penetrate.

3 completion c A device attached to a pipe or a tube which controls
the flow of air or liquid through the pipe or tube.
4 acidizing d The reservoir rock in which oil and gas are found in

exploitable quantities.
5 proppant e Well-stimulation method to increase oil production by
injecting hydrochloric acid into the oil-bearing

formation.
6 Pay zone f A strong, well-defined stream of compressible fluid,
either gas or liquid, issuing from an orifice or nozzle

or moving in a contracted duct.
7 perforate g Sand, gravel, or particles of other material (such as
sintered bauxite or ceramic beads) suspended in

drilling fluid during formation fracturing to keep
(prop) open the cracks in the rock when the fluid is
withdrawn.

Pre-reading and while-reading tasks

3 Scan the text and answer the following questions.

– What happens when the operator decides to set production casing?
– Who runs and cements a string of casing in the well?
– Who can elect to set a liner string?
– What is a liner string?
– When are the drilling rig and crews finished with their job?
– Who performs the final operations required to bring the well into production?
– What is the other name of the hole?
– What is the aim of perforations?
– What two formation fluids do you know?
– What does a perforating specialist do?

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