A well is initially drilled and completed under the control of the drilling and completions department operating under the request of the asset. Once the well is completed, control is transferred to the asset’s production team, who will operate the well as appropriate for their purposes. Should any issues of well integrity or any requirement for well work arise, the asset will refer the issue to the well services. During interventions, control of affected well is handed over from production to the well services crew at the well site, a practical action involving transferring control lines from the production control panel to the well services control panel.
The maintenance procedures performed on an oil or gas well after the well has been completed and production from the reservoir has begun. Well service activities are generally conducted to maintain or enhance the well productivity, although some slickline and coiled tubing applications are performed to assess or monitor the performance of the well or reservoir. Slickline, coiled tubing, snubbing and workover rigs or rod units are routinely used in well service activities.
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