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Sodium remover for removing organic sodium salts in crude oil

A crude oil desodium agent and desodium technology, which is applied in the field of sodium remover, can solve the problems of difficult removal, poor solubility of sodium and salt, and sodium hazard spread, etc., and achieve the effect of effective removal, convenient use, and good water solubility

Active Publication Date: 2018-12-04
LUOYANG RONGHUI CHEM TECH CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, with the increase in crude oil resources and the widespread application of tertiary oil recovery technology, the content of organic sodium salts in crude oil has increased. These sodium salts have poor solubility and are difficult to remove during electrical desalination, causing the hazards of sodium to spread to petroleum processing. The whole process

Method used

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  • Sodium remover for removing organic sodium salts in crude oil
  • Sodium remover for removing organic sodium salts in crude oil

Examples

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Embodiment 1

[0021] A desodiumizing agent suitable for organic sodium salts in crude oil, which is a solid mixture of organic ammonium salts and inorganic ammonium salts, including 5 parts of ammonium acetate, 35 parts of ammonium phosphate, 20 parts of diammonium hydrogen phosphate, 20 parts of ammonium nitrate, and 20 parts of ammonium chloride.

Embodiment 2

[0023] A sodium removal agent suitable for organic sodium salts in crude oil, which is a solid mixture of organic ammonium salts and inorganic ammonium salts, including 20 parts of ammonium acetate, 30 parts of hexahydroxy ammonium antimonate, 10 parts of ammonium oxalate, and 15 parts of ammonium citrate Parts, 20 parts of ammonium acrylate, 5 parts of ammonium sulfate.

Embodiment 3

[0025] A desodiumizing agent suitable for organic sodium salts in crude oil, which is a solid mixture of organic ammonium salts and inorganic ammonium salts, including 50 parts of ammonium acetate, 10 parts of hexahydroxy ammonium antimonate, 20 parts of ammonium bicarbonate, and 20 parts of ammonium carbonate share.

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Abstract

The invention provides a sodium remover for removing organic sodium salts in crude oil. The sodium remover comprises following components in parts by weight: 5 to 80 parts of organic ammonium salt, and 20 to 95 parts of inorganic ammonium salt, and also comprises following components in parts by weight: 5 to 80 parts of organic ammonium salt, 20 to 95 parts of inorganic ammonium salt, 0.5 to 5 parts of transfer aid, and deionized water, wherein the organic ammonium salt, the inorganic ammonium salt, and transfer aid are the effective components, and the concentrations of the effective components in deionized water are 1 to 80%. The sodium remover is a neutral water solution, will not corrode the equipment, and does not influence the crude oil processing and sewage treatment. The sodium remover is highly water soluble, can remove organic sodium salts in crude oil, is convenient to use, and effectively removes organic sodium salts under the assistance of a common crude oil electric sodium removing device.

Description

technical field [0001] The invention belongs to the field of petroleum processing, and mainly relates to a sodium removing agent suitable for removing oil-soluble organic sodium salts in crude oil. Background technique [0002] At present, my country's major oil fields have entered the late stage of secondary oil recovery. In order to enhance oil recovery, the tertiary oil recovery technology characterized by chemical composite flooding technology has been widely used. Among chemical compound flooding technologies, ASP flooding (alkali, surfactant and polymer) is a new technology developed in the 1980s and widely used in domestic oil fields. In the ASP flooding technology, the anionic surfactant sodium petroleum sulfonate is widely used because of its strong interfacial activity, good oil displacement effect and low price. The average number of carbon atoms in the oil-friendly group of sodium petroleum sulfonate used in the tertiary oil recovery process is greater than 23, ...

Claims

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Application Information

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IPC IPC(8): C10G29/02C10G29/20
CPCC10G29/02C10G29/20C10G2300/201
Inventor 李昕王晓丽梁琦李学军
Owner LUOYANG RONGHUI CHEM TECH CO LTD
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