Excessive amounts of chloride salts in crude oil result in higher corrosion rates in refining units and have a detrimental effect on catalysts. Desalting techniques are well established, but continuous monitoring of the salt content is needed for process control and cost reduction. Crude oil often contains water, inorganic salts, suspended solids, and water-soluble trace metals. As a first step in the refining process, to reduce corrosion, plugging, and fouling of equipment and to prevent poisoning the catalysts in processing units, these contaminants must be removed by desalting (dehydration).

In the desalter, the crude oil is heated and then mixed with 5-15% volume of fresh water so that the water can dilute the dissolved salts. The oil-water mix is put into   Oil desalting systems provide protection to capital intensive processing equipment by removing the salt component from crude oil. There are many significant  In one embodiment, the invention is related to a process for desalting crude oil that requires less wash water than conventional desalting methods. A process for desalting a crude oil comprises (1) injecting steam into the oil to form a steam-injected oil; (2) adding water to the steam-injected oil to form a 

Cold liquid carryover to downstream units and corrosion, among many others, are examples of issues caused by water and water-soluble salts in crude oil.

In one embodiment, the invention is related to a process for desalting crude oil that requires less wash water than conventional desalting methods. A process for desalting a crude oil comprises (1) injecting steam into the oil to form a steam-injected oil; (2) adding water to the steam-injected oil to form a  Mature crude oil fields are often prone to high water cuts and high content of fines . The large population of small water droplets and fines forms very stable crude  Schlumberger Process IQ software is a digital solution that maximizes electrostatic desalter & dehydrator performance & reliability. Conserve fuel gas & fresh  Salt is dissolved within the remnant brine of the crude oil. Desalting removes both salt and the residual free water. Though the refinery is the most economical  8 Jun 2018 Therefore, to avoid operational problems, dehydration/desalting plants are installed in crude oil production units to remove water-soluble salts 

Clean dilution or wash water is injected into the crude oil feed to the desalter through a mixing device to dilute the brine to a level where the target salt content can be achieved by the downstream Dehydration Unit.

Crude oil to be desalted is heated to a temperature of 100-150 °C and mixed with 4-10% fresh water, which dilutes the salt. Desalting is a water-washing operation performed initially at the production field and thereafter at the refinery site for additional crude oil cleanup. Salt and water 

How crude oil is desalted. Crude oil containing sediments and produced salty water is passed through the cold preheat train and then pumped to the desalters (electrostatic coalescers) by crude charge pumps. The recycled water or wash water from the desalters is then injected in the crude oil line and the formed fluid enters the static mixer.

In desalting systems, before sending a stream of crude oil to the distillation process, it is put in contact with water by means of a mixing system that promotes close  30 Nov 2015 Desalting is a water-washing operation performed initially at the production field and thereafter at the refinery site for additional crude oil  Crude oil containing sediments and produced salty water is passed through the cold preheat train and then pumped to the desalters (electrostatic coalescers) by   6 Jul 2015 Crude oil that contains only 1.0% water with a 15,000-ppm salt content has 55 lbm of salt per 1,000 bbl of water-free crude. The chemical  In the desalter, the crude oil is heated and then mixed with 5-15% volume of fresh water so that the water can dilute the dissolved salts. The oil-water mix is put into   Oil desalting systems provide protection to capital intensive processing equipment by removing the salt component from crude oil. There are many significant  In one embodiment, the invention is related to a process for desalting crude oil that requires less wash water than conventional desalting methods.

Salt is dissolved within the remnant brine of the crude oil. Desalting removes both salt and the residual free water. Though the refinery is the most economical 

Desalting involves mixing heated. crude oil with washing water, using a mixing valve or static mixers to ensure a proper contact. between the crude oil and the water, and then passing it to a separating vessel, where a proper. separation between the aqueous and organic phases is achieved. Understanding the Process of Crude Oil Desalting. Crude oil contains many contaminants, such as inorganic salts, sand, drilling mud, suspended solids, polymer, corrosion byproducts, and more. These contaminants need to be removed to refine the oil into a finished product. The process is called separation.

In one embodiment, the invention is related to a process for desalting crude oil that requires less wash water than conventional desalting methods. A process for desalting a crude oil comprises (1) injecting steam into the oil to form a steam-injected oil; (2) adding water to the steam-injected oil to form a  Mature crude oil fields are often prone to high water cuts and high content of fines . The large population of small water droplets and fines forms very stable crude  Schlumberger Process IQ software is a digital solution that maximizes electrostatic desalter & dehydrator performance & reliability. Conserve fuel gas & fresh  Salt is dissolved within the remnant brine of the crude oil. Desalting removes both salt and the residual free water. Though the refinery is the most economical 

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