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Oil and Gas

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Water treatment technologies are crucial in the oil and gas industry. In particular, the oil and gas industries depend on reverse osmosis water treatment for the technology’s abilities to address hazardous chemicals in water, other wastewater treatment concerns, oil and gas extraction from the ground, and separation of oil from water.

One extraction process is called hydraulic fracturing. Hydraulic fracturing involves injecting highly pressurized fracking fluids into rock layers to create fractures in the rock. Oil and other natural gases flow into the fractures and can then be extracted.

Although hydraulic fracturing is an effective method of extraction for the oil and gas industries, the process creates concerns about the release of harmful chemicals and other contaminants from the fracking fluid and wastewater into public water sources.

OIL AND GASThese concerns about oil and gas fracking can be addressed with a combination of water treatment technologies: First desalination systems can lower the amount of salt in frack water; then the water can be treated with reverse osmosis.

The reason the frack water must first be desalinated is that the volume of TDS (total dissolved solids) in frack water can reach above 70,000 ppm, which is a higher TDS content than reverse osmosis can effectively treat. Reverse osmosis can effectively treat water with TDS of less than 50,000. This two-step treatment with desalination treatment and then reverse osmosis water technology is considered the most effective for preventing fracking contaminants from damaging the quality of water in public sources.

Oil can also be extracted via water injection. This method of oil extraction involves the injection of water into the underground oil reservoir to increase the pressure on the oil and improve the extraction production.

It is important that the water is of good quality or it can cause the reservoir to clog, and it can also clog the equipment, resulting in lost production time and costly repairs.

Depending on the source pf the injection water, there can be a variety of problems that have the potential to inhibit water injection. If the source is sea water, it is often necessary to use a method of water treatment as well as deoxygenation and biociding to remove microorganisms and other impurities. Produced water is another source of injection water. Water is often a product of the extraction process, along with oil and gas. This water is called produced water and it can be used as the injection water. Produced water requires treatment to prevent damage to equipment, such as scale and corrosion.

Reverse osmosis plays an important role in both the oil and gas industries. Oil and gas are both a valuable resource, and industry requires the ability to extract as much of these resources as possible with as little effect on the environment as possible. Reverse osmosis water treatment is a critically important tool for meeting these goals of the oil and gas industries.

 

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