In order to increase the possibility to extend the life of aging wells, well intervention or work is done. To enhance their qualities, repair is one of its major processes. Reduction of the amount of maintenance can be a good result to this work. This work paves the way in finding reserves of hydrocarbon. Information in managing the production rate can also be given by doing its needed operations.
In doing this operation, conditions of the well will be first assessed. Proper treatments will be given after. These treatments involve different procedures and plans like choosing the type of vessels that will be used in the operations. Light and medium vessels are mostly used in doing the operation. However, for re-drilling, which is considered a heavy intervention, an offshore drilling unit is needed. Safe and controllable equipment should be used in performing its operation.
Various methods are used for this work to be completed. The most well-known procedure is through tubing. Obstructions block the passage of hydrocarbons. Through-tubing can eliminate this stoppage. Casing also that are damaged can be eliminated by this.
Coiled tubing is also one of the techniques. Chemicals are being applied to the base of the well which are being dug out by the workers. Coiled tubing may be used for wire lines that malfunctioned. This is applicable for activities like logging, cleaning or cementing. It is versatile to use.
Tools such as coiled tubing, slick line, braided wire line, and electric line are used in performing the necessary procedures. These are helpful for the completion of the operation.
Pumping is also another method in this operation. Kill wing valves are needed to be rigged up while it does not require the use of hardware. This is also performed by pumping chemicals inside. Slick line operation is also one of the methods. This is best to use in logging task that is needed in keeping detailed information of geologic compositions.
Added to the types of operations is braided line. Unlike the slick line, it is more complicated. However, slick line is more feeble then braided line. While hydraulic work over is done as workers place the pipes to the place that the workers are digging against well bore pressure. This is important in carrying various activities.
Well intervention cover different procedures. These procedures are done on oil or in gas. For the completion of any of its operations, proper vessel and important procedures must be observed and followed. Read more about: Well Intervention
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