Biyernes, Oktubre 3, 2014

Oil Well Intervention: More Oil from your Well

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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