Concentric tubing workover:
Equipment needed is essentially the same as that for a conventional workover except that it is smaller and lighter.
A workover performed with a continuous steel tube, normally 3/4 inch to 1 inch outside diameter, which is run into the well in one piece ...
Lighter-duty well maintenance than hydraulic workover, employing small od tubing capable of descending down the production string under well pressure
A series of hydraulic rams to restrain and pull tubing under well pressure, temporarily attached to the wellhead for workover.
Workover equipment designed in equipment packages or modules that are light enough to be lifted onto an offshore platform by a platform crane. In most ...
A string of pipe used in workover of well-servicing operations; not typically considered as production tubing.
The string of drill pipe or tubing suspended in a well to which is attached a special tool or device that is used to carry ...
A workover rig, usually lightweight, that is specially built to run a string of 3/4 inch or 1-inch tubing. See macaroni string.
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