Oilfield Glossary
Oilfield Glossary
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Searched for "workover" in Term Name (3 result(s) found)

workover

1. n. [Drilling]
The repair or stimulation of an existing production well for the purpose of restoring, prolonging or enhancing the production of hydrocarbons.
2. n. [Well Workover and Intervention]
The process of performing major maintenance or remedial treatments on an oil or gas well. In many cases, workover implies the removal and replacement of the production tubing string after the well has been killed and a workover rig has been placed on location. Through-tubing workover operations, using coiled tubing, snubbing or slickline equipment, are routinely conducted to complete treatments or well service activities that avoid a full workover where the tubing is removed. This operation saves considerable time and expense.

workover string

1. n. [Well Workover and Intervention]
Another term for work string, a generic term used to describe a tubing string used to convey a treatment or for well service activities. Both coiled and jointed tubing strings are referred to as work strings.
Synonyms: work string

workover fluid

1. n. [Well Workover and Intervention]
A well-control fluid, typically a brine, that is used during workover operations. Since the wellbore is in contact with the reservoir during most workover operations, workover fluids should be clean and chemically compatible with the reservoir fluids and formation matrix.