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Oil, Gas & Mining vocabulary · Drilling & Wells

Well completion

Meaning in oil, gas & mining, with examples

nounCommon term

In oil, gas & mining, well completion means: The work done after drilling to make a well ready to produce safely, such as running production tubing, perforating the casing and installing valves.

In Turkish: kuyu tamamlama, tamamlama

How it is used

Usually just 'completion'; the verb is 'complete a well'. Completion engineers design it, and well costs are often reported as drilling and completion (D&C). Completion types include open hole and cased hole completions.

Example sentences

  1. The well completion is finished, and the well will be put on production next week.

  2. The well completion design includes sand screens because the reservoir rock is weak.

Common collocations

  • complete a well
  • completion engineer
  • completion design
  • drilling and completion (D&C)
  • casingLarge steel pipe lowered into a newly drilled section of a well and cemented in place to stop the hole collapsing and to keep rock layers and fluids apart.
  • wellheadThe steel equipment at the top of a well, at the surface or on the seabed, that holds the casing and tubing and connects the well to valves and flowlines.
  • wellA deep, narrow hole drilled into the ground to find or produce oil, gas or water, or to inject fluids back into a reservoir.
  • hydraulic fracturingPumping water, sand and chemicals into a well at very high pressure to crack the rock, so oil or gas can flow more easily from tight formations such as shale.

More terms: Drilling & Wells

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