With the increasing energy demands of the modern world, a lot of oil
companies want to maximize the amount of oil they can get from wells. Oil wells
may seem like durable and tough pieces of equipment, however they are actually a
lot more delicate than people think. For example, a reduction in productivity
from a well may cause its tubing to be less stable. Moreover, corrosion and
wear-and-tear may reduce a well’s production. This is where an oil well
intervention may be needed.
Well intervention comes in various forms to restore an oil well’s production.
It comes in several forms:
- Pumping. The simplest form of intervention, it is done to protect against
scales and hydrates forming in the pipe. Another reason for the pump is to
clean the well or to stimulate the reservoir. Some chemicals, as well, are
pumped into the well.
- Slicklines. Sometimes you need to recover a piece of equipment from down the
well. You might also need to send
down replacement equipment. Lowering slicklines into the drilling can
facilitate this.
- Workover. When a well is nearing the end of its production life, a company
may be able to squeeze more out of it by doing a work-over. This may be
the most complicated type of well intervention as it requires a full rig
to do it. This usually involves stopping a well's production then
replacing its main infrastructure, and digging a new hole where oil from
the reservoir can still be exploited.
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