Silicone-Based Defoamer | PETRA DEFOAM S

A versatile liquid used as a Defoamer is Silicone-based Defoamer. It is better at suppressing and knocking down froth. It works well in a wide range of temperatures and PH. It works particularly well in glycol dehydration systems. It is a flexible liquid that can remove trapped air from all varieties of water-based muds in a variety of activities, even in harsh field situations. In water-based drilling fluids as well as solids-free work over and completion fluids, it is used to lessen surface tension. It can withstand salt concentrations that are high.

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Wearing safety gear and taking the safety measures outlined in the MSDS are required while handling Silicon Based Defoamer produced by PETRA.

At times drilling fluid foams as it reaches the surface. The reason: gas bubbles that form as the pressure decreases near the surface. This is similar to what happens when you open a can or bottle of a carbonated drink—the gas bubbles come out of solution as the pressure drops when the container is opened. Foaming drilling fluid can be difficult to pump and messy to clean up. The solution is to use defoamers.

Cementing:

Once an oil well has been drilled, a steel pipe is inserted into the borehole and cemented in place. This stabilizes the well and prevents fluids from leaking in or out. The cement is pumped into the space between the pipe, called a casing, and the walls of the borehole. This cement may foam as it nears the surface and will need to be cleaned up. Defoamers help reduce the volume of foam and make cleanup easier.

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Stimulation:

After a well has been producing oil for some time, the flow of oil may be reduced. This happens because the pores in the formation get clogged with organic material such as tars and paraffin or inorganic salt deposits such as calcium carbonate, barium sulfate, barium carbonate, and sodium chloride (salt). When this happens, the oil and gas production can be increased by a method called “stimulation.” Stimulation, which can prolong the productive life of the well, works by forcing liquids into the rock formation. This opens up cracks or wormholes, allowing more oil to flow. Stimulation fluids are foamed to maximize efficiency, but the foam needs to be broken down when the fluid returns to the surface.