
1) Interrogate, but good
Found on
https://www.crosswordclues.com/clue/workover

The term workover is used to refer to any kind of oil well intervention involving invasive techniques, such as wireline, coiled tubing or snubbing. More specifically though, it will refer to the expensive process of pulling and replacing a completion. ==Reason to perform a workover== Workovers rank among the most complex, difficult and expensive t...
Found on
http://en.wikipedia.org/wiki/Workover

To carry out remedial operations on a producing well with the intention of restoring or increasing production.
Found on
http://www.contractorsunlimited.co.uk/glossary.shtml

Maintenance job on a well, generally to replace equipment or to stimulate production.
Found on
http://www.encyclo.co.uk/visitor-contributions.php

to perform one or more of a variety of remedial operations on a producing oil well to try to increase production. Examples of workover opera6tions are deepening, plugging back, pulling and resetting liners, squeeze cementing, and so on.
Found on
http://www.encyclo.co.uk/visitor-contributions.php

Remedial work to the equipment within a well, the well pipework, or relating to attempts to increase the rate of flow.
Found on
http://www.oilandgasuk.co.uk/glossary.cfm

operations on a producing well to restore or increase production. A workover may be performed to stimulate the well, remove sand or wax from the wellbore, to mechanically repair the well, or for other reasons.
Found on
https://www.encyclo.co.uk/local/20857
No exact match found.