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Compound sulfur remover for oil-gas fields

A technology for oil and gas fields and main agents, applied in the field of compound desulfurizers for oil and gas fields, can solve the problems of high risk, complicated operation of desulfurizers, low desulfurization efficiency, etc. wide effect

Inactive Publication Date: 2019-01-15
重庆领盛化工科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The desulfurization of solid desulfurizers has disadvantages such as low desulfurization efficiency, high risk of desulfurizer regeneration operation, complex operation and high risk of desulfurizer replacement, and difficulty in waste residue treatment.

Method used

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  • Compound sulfur remover for oil-gas fields
  • Compound sulfur remover for oil-gas fields
  • Compound sulfur remover for oil-gas fields

Examples

Experimental program
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Effect test

Embodiment 1

[0019] A compound desulfurizer for oil and gas fields, comprising the following components in mass percent:

[0020] Main agent: hydroxyethyl triazine 20%; auxiliary agent: monoethanolamine 10%; solvent: sulfolane 5%; scale inhibitor: polycarboxylic acid 2%; defoamer: methyl silicone oil 0.1%; the balance is water .

Embodiment 2

[0022] A compound desulfurizer for oil and gas fields, comprising the following components in mass percent:

[0023] Main agent: 30% mixture of hydroxyethyl triazine and hydroxypropyl triazine; auxiliary agent: 12% mixture of monoethanolamine and diethanolamine; solvent: 8% mixture of sulfolane and dimethyl sulfoxide; scale inhibitor: 4% mixture of polycarboxylic acid and organic phosphonate; defoamer: 0.1% mixture of methyl silicone oil and ethyl silicone oil; the balance is water.

Embodiment 3

[0025] A compound desulfurizer for oil and gas fields, comprising the following components in mass percent:

[0026] Main agent: 32% mixture of hydroxyethyl triazine, ethyl triazine and propyl triazine; auxiliary agent: 15% mixture of monoethanolamine, diethanolamine, triethanolamine; solvent: solvent of sulfolane and dimethyl sulfoxide 10%; scale inhibitor: 5% mixture of polycarboxylic acid and organic phosphonate; defoamer: 0.2% mixture of methyl silicone oil, ethyl silicone oil and phenyl silicone oil; the balance is water.

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PUM

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Abstract

The invention discloses a compound sulfur remover for oil-gas fields. The compound sulfur remover is prepared from the following ingredients in percentage by mass: a main agent of 20% to 35% of a triazine derivative, an auxiliary agent of 10% to 15% of organic amine absorbent, a solvent of 5% to 10% of one or two of sulfolane and dimethyl sulfoixde, 2% to 5% of scale inhibitor, 0.1% to 0.2% of a defoaming agent and the balance of water. The compound sulfur remover disclosed by the invention is transparent liquid with a colorless or slight yellow appearance, has no volatilization, scale formation, flammability or explosiveness, does not belong to dangerous chemicals and can be dissolved in and mixed with solvents of water, alcohol, oil and the like.

Description

technical field [0001] The invention relates to the field of oil and gas field exploitation and production, in particular to a compound desulfurizer for oil and gas fields. Background technique [0002] During the exploitation and production of oil and gas field drilling, due to the hydrogen sulfide contained in the formation, the drilling tools will be corroded downhole and cause accidents. Once the hydrogen sulfide is discharged to the ground along with the formation water, it will also pollute the surrounding environment and cause physical harm to the surrounding personnel. Even trace amounts of hydrogen sulfide gas can affect the normal exploitation and production of oil and gas fields. Therefore, it is necessary to remove all or most of them in the downhole or production process, so as to eliminate or reduce the accidents and hazards caused by hydrogen sulfide. [0003] The desulfurization of solid desulfurizer has disadvantages such as low desulfurization efficiency,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/58B01D53/52B01D53/77C02F101/10C02F103/10
CPCB01D53/52B01D53/77C02F1/58C02F2101/101C02F2103/10C02F2303/12C02F2303/22
Inventor 向志全
Owner 重庆领盛化工科技有限公司
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