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Coil tubing in high demand

by Arabian Oil & Gas Staff on May 4, 2014

Ibrahim Al Alawi from Al Mansoori says that coil tubing services are in high demand in the Middle East
Ibrahim Al Alawi from Al Mansoori says that coil tubing services are in high demand in the Middle East

Coil tubing is a big trend in the Middle East region and is very much in demand, according to deputy CEO of AlMansoori Ibrahim Al Alawi.

Coil tubing is utilised in horizontally drilled wells when oil & gas companies need to pump fluids or gasses into the well. Coil tubing can also be used to push tools such as sensors into a horizontal well, the tubing provides the weight to push the tool along the well shaft.

“For coil tubing services, you have a pipe coiled on a reel and you unwind the pipe into the well and use it to pump in fluids or gasses. It is quite a versatile tool and as more and more wells are drilled horizontally the traditional way of conducting service operations does not work because you lose the gravity when you are in a horizontal well.

When you are in a vertical well you have 8,000 feet of pipe or wire above you, so you have gravitational forces that you can play with, but when you are in a horizontal situation all your tool string is laying on the ground, so you lose the benefit of gravity, that is where coil tubing comes in,” said Al Alawi.

As more wells are being drilled horizontally in the Middle East region, more oil companies require coil tubing services for those wells.

Horizontal wells are drilled because of the way oil is laid down and formed in horizontal layers.

Traditionally a well is drilled vertically, but this only intersects the 20-30 feet of the oil zone, however, if the well is drilled horizontally the shaft can go further into the oil zone and extract more oil. The oil also flows under less pressure when the well is horizontal, so it is also good for reservoir management.


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