How does Oilfield Swabbing Work 

Posted by swabproab on May 27th, 2021

A well is drilled to collect oil and gas. However, after drilling a bore and installing a casing and filter pack, it is necessary to get the bore exhaling.

The drilling fluid forms a thin layer of soil and impurities on the borehole wall and is forced into the porous locations of the aquifer. This plugging effect reduces the flow of water in the well.

And, it is here that oilfield swabbing comes in to ensure the continuity of oil flow once again. The swabbing process does the clean-out of the frac fluids obstructing the flow of oil. Connect with one of the most preferred services for Oilfield swabbing in Grande Prairie

Why is oilfield Swabbing necessary?
Frac Fluids keep flowing back and forth in the lifetime of oil and natural gas wells. Apart from the natural resources, this flow of those extra liquids needs full pressure for ejection out of the well.

However, when force is low, water and frac fluids remain in the well blocking the flow of oil and gas. Pressure at the bottom of the well also falls due to ageing.

So,
1 - Swabbing ensures that the wells are developed to the best possible technical standards. And, the existing boreholes are also able to meet the total demand. The wells will be less likely to fail within a few years with correct and professional swabbing.

2 - Swabbing of the oil field should continue until the flow of oil is clear, and all impure material has been removed from the well and the surrounding aquifer. But this exercise of swabbing needs to be performed by experts.

3 - The swabbing effect induces pressure or kicks in the flow. In other words, swabbing is deploying a unique cleaning method of the oil well.

4 - In swabbing, when the string is pulled out of the well, it creates a temporary bottom-hole pressure reduction. The well will eventually flow if the hydrostatic pressure is sufficient to create an underbalanced condition.

How much time goes into the swabbing process?
A large amount of energy, effort, and time is required to extract drilling fluids containing impurities, water, frac liquids, and more. Oilfield swabbing can be completed in one hour but may require more hours. The amount of time in swabbing depends on the condition of the well and factors such as

1 – The kind of frac liquid layer bearing obstructive layer

2 - The number of impurities removed from the well

3 - The type of equipment and the degree of expertise used

Over to you
Connect with one of the leading services for Oilfield swabbing in Grande Prairie AB to ensure a professional job.

Andrew Jacobs is the author of this article. For more details about Swab rigs in Grande Prairie AB Please visit our website: swabpro.ca