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"Payroll was cut by more than half. Oil reserves jumped. The time it took to drill a deep-water well plummeted. Profits soared."

Is it that it takes the same time to drill the well as it takes to get empty?

I don't understand if the word "plummeted" refers to the value of the oil or the content of the well.

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  • "Plummeted" means "fell" or "dropped" or "went lower". It's referring to the time required to drill a well.
    – Hot Licks
    Apr 15, 2016 at 22:49
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    No. They are all separate statements. The only thing they all hsve in common is that they all contribute to increased profits.
    – Jim
    Apr 15, 2016 at 23:06
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    I don't think this should be closed as answerable by a dictionary. The question is asking to what does plummeted refer, and a definition isn't going to answer that question.
    – ColleenV
    Apr 16, 2016 at 20:40

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The "time" plummeted.

Ignore the rest of the sentences. They relate to each other only in so much as they are, essentially, a rapid-fire bullet-list of things that occurred.

The time it took to drill a deep-water well plummeted.

This means that (likely due to technological advances) it took significantly less time for technicians to drill a deep-water well.

In many industries, time = money (usually because you're paying someone's salary), so if something takes less time, it costs less money, so, by extension, the sentence means

The cost of drilling a deep-water well was greatly reduced.

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Payroll was cut by more than half. Oil reserves jumped. The time it took to drill a deep-water well plummeted. Profits soared.

The word plummeted means a big decrease, usually associated with some kind of bad event. So the sentence means the time it took to drill a deep-water well decreased a lot.

However, I find the paragraph to be a bit illogical. The paragraph basically says...

The salaries of the workers were reduced by more than 50%. As a result, the amount of oil that is stored instead of sold increased, and the time that it takes to drill a well decreased, resulting in increased profits.

Usually, reducing the salary of your workers by 50% will cause problems for your business, but everything mentioned in this paragraph is positive. The business now drills wells quicker and has increased their profits. Strange, eh?

Since everything is so positive in the rest of the paragraph, perhaps it would make more sense to say The time it took to drill deep-water wells decreased substantially. This phrasing is more neutral than plummeted, which is a word used in association with negative events, not positive events.

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    A couple of points: first, it says payroll was cut by 50+%, not average salary. Much more likely to have been layoffs than pay cuts. Second, plummeting is associated with abrupt/drastic drops, not so much negative.
    – Nathan Tuggy
    May 12, 2016 at 3:11

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