The phrase "involves essentially" is correct and can be used in written English.
It is usually used to indicate that something is a crucial or fundamental aspect of a larger idea or situation. Example: "The success of the project involves essentially two main factors: good communication and efficient time management."
The new approach involves essentially filling in the data that is missing from each patient scan.
Dell's $24 billion leveraged buyout involves essentially a club of one.
Many African countries now treat tuberculosis, which involves essentially the same regimen as AIDS requires -- a daily handful of pills and occasional lab tests.
This involves, essentially, an "honest belief" that one is not a torturer: Although an honest belief need not be reasonable, such a belief is easier to establish when there is a reasonable basis for it.
Another idea is known as "assisted gene flow" – and involves essentially moving coral larvae or corals that can cope with higher temperatures into areas where current coral species are dying.
All research until now has been restricted to issues of fertility, which may be one reason why researchers in Britain failed to translate their lead in developing mouse embryonic stem cells into being first to generate human embryonic stem cells, a step that involves essentially the same techniques.
Cumrun Vafa's research has involved essentially all these aspects.
Grimm described two consonant shifts involving essentially nine consonants.
Most of the case studies in Caryl's survey involve essentially autocratic governments.
And there are other projects that we hope to get going in the space, but involving essentially these six dancers.
." The circumstances under which the next U.S. Presidential election would actually be held tomorrow involve, essentially, Armageddon.
