3.17. Offshore Workover Methods and Selection
To complete a workover task, we should choose different workover methods and processes based on the different operation contexts. The following briefly describes several common offshore oilfield workover methods, and when to choose these operatoins.
3.17.1. Workover Methods Commonly Used in Offshore Oilfields
1. Platform workover method for water wellheads
If the offshore oilfield uses water wellhead equipment for well completion, the platform workover method can be adopted. There are several cases related to the platform workover method.
a. Large wellhead platforms, artificial islands, or large-scale integrated production platforms with a large amount of wells
The workover operation for this type ...