Apparently we do a lot of work in our industry, and there are many compound words to describe it. And, as with the “well-” words, there is variance as to whether they may be one word or two (but none take a hyphen.)
Single words include: workforce, and workover when it is used as a noun or adjective.
Example: This well really needs a workover.
Separate words are used for: work flow, work group, work string, and work over when it is used as a verb.
Example: We really need to work over this well.
Which brings us to a question from the Peanut Gallery about workpack vs. work pack.
I searched the SPE Style Guide and the Schlumberger Glossary, but the term was not to be found. So I did two polls to find the most popular industry and worldwide usage.
1) A search on OnePetro.org found 8 hits for workpack and 3 hits for work pack — too small a sample to be statistically significant.
2) A search on Google.com found 70,200 hits for workpack and 61,900 hits for work pack — also pretty close.
Now, as a former librarian, I do not condone democracy in grammatical matters, but in this particular case, we shall let the majority rule.
Workpack it is!