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Composite wax clearing agent

The technology of a wax remover and a metal chelating agent is applied in the directions of drilling compositions, chemical instruments and methods, etc., and can solve the problems of low safety performance, poor wax dissolving effect, and great harm to human body, and achieves high safety and is not easy to achieve. Fire, low toxicity effect

Inactive Publication Date: 2017-11-24
常州市雄泰纺织品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention: Aiming at the problems that the traditional wax remover has poor wax melting effect, slow effect speed, low safety performance and great harm to human body, a compound wax remover is provided

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0020] In parts by weight, select 5 parts of nano-titanium dioxide, 6 parts of quartz stone, 20 parts of diatomaceous earth, 5 parts of vermiculite, 3 parts of sodium α-alkenyl sulfonate, 5 parts of nonylphenol polyoxyethylene ether and 90 parts Parts of isobutanol, mixed and added to the ball mill, discharged after ball milling for 2 hours, to obtain a mixed slurry; in parts by weight, 30 parts of sodium dodecylbenzenesulfonate, 10 parts of 1,2-propylene glycol, 20 parts of 1 part of peanut oil, 5 parts of oleic acid, 0.4 part of triethanolamine and 120 parts of water, stirred and mixed with 2000r / min rotating speed for 30min, after stirring, a microemulsion was obtained; by parts by weight, 50 parts of microemulsion and 40 parts of mixed slurry and 4 parts of cornstarch were stirred and mixed for 50 minutes at a speed of 1000 r / min, and the compound wax remover was obtained after stirring.

example 2

[0022] In parts by weight, 3 parts of nano-titanium dioxide, 4 parts of quartz stone, 15 parts of diatomaceous earth, 3 parts of vermiculite, 1 part of sodium α-alkenyl sulfonate, 2 parts of nonylphenol polyoxyethylene ether and 70 parts were selected respectively. Parts of isobutanol, after mixing, add in the ball mill, discharge after ball milling for 1h, to get mixed slurry; by parts by weight, choose 20 parts of sodium lauryl sulfate, 5 parts of polyethylene glycol, 10 parts of sesame oil, 2 parts of linoleic acid, 0.2 part of edetate disodium and 100 parts of water were stirred and mixed for 20 minutes at a speed of 1500r / min, and a microemulsion was obtained after stirring; Mix the slurry and 2 parts of carrageenan, stir and mix at 800r / min for 30min, after stirring, you can get the compound wax remover.

example 3

[0024] In parts by weight, 4 parts of nano-titanium dioxide, 5 parts of quartz stone, 17 parts of diatomaceous earth, 4 parts of vermiculite, 2 parts of sodium α-alkenyl sulfonate, 3 parts of nonylphenol polyoxyethylene ether and 80 parts were selected respectively. Parts of isobutanol, after mixing, add in the ball mill, discharge after ball milling 1h, get mixed slurry; By weight, choose 25 parts of sorbitan monostearate, 7 parts of polypropylene glycol, 15 parts of olive oil respectively , 4 parts of ethoxylated castor oil, 0.3 part of tetrasodium edetate and 110 parts of water, stirred and mixed for 25 minutes with 1700r / min rotating speed, got microemulsion after stirring; The emulsion, 35 parts of mixed slurry and 3 parts of methyl hydroxyethyl cellulose were stirred and mixed at a speed of 900r / min for 40 minutes, and the composite wax remover was obtained after stirring.

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PUM

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Abstract

The invention relates to a composite wax clearing agent, and belongs to the field of oil field chemical application. The composite wax clearing agent is prepared from the following raw materials in parts by weight: 40 to 50 parts of microemulsion, 30 to 40 parts of mixed slurry and 2 to 4 parts of thickening agents, wherein the microemulsion is prepared from the following ingredients in parts by weight: 20 to 30 parts of surfactants, 5 to 10 parts of cosurfactants, 10 to 20 parts of plant oil, 2 to 5 parts of emulsifiers, 0.2 to 0.4 part of metal chelators and 100 to 120 parts of water. According to a preparation method of the mixed slurry, through being metered in parts by weight, 3 to 5 parts of nanometer titanium dioxide, 4 to 6 parts of quartzite, 15 to 20 parts of kieselguhr, 3 to 5 parts of vermiculite, 1 to 3 parts of alpha-sodium allylsulfonate, 2 to 5 parts of nonylphenol polyoxyethylene ether and 70 to 90 parts of isobutanol are respectively selected. The materials are mixed and are discharged after the ball milling; mixed slurry is obtained. The prepared composite wax clearing agent has the advantages that the wax cleaning speed is high; the safety performance is relatively high; harm cannot be easily caused on the human body.

Description

technical field [0001] The invention relates to a composite wax remover, which belongs to the field of oil field chemical application. Background technique [0002] Most of my country's crude oil is waxy crude oil. During long-distance pipeline transportation, a thick and dense wax layer is formed in the pipeline with temperature changes. In the case of low pipeline transportation volume, from an economic point of view, in order to reduce Heat loss along the crude oil pipeline, the pipeline must be cleared of wax. The wax removal methods for long-distance pipelines mainly include pipe pigging. Since the thickness of the wax deposition in the pipeline is extremely uneven, the pigging of the pipe can easily cause the ball to be stuck. Therefore, solvent wax removal is a wax removal method commonly used in oilfield pipelines. This method is to dissolve the wax deposits on the pipe wall to achieve the purpose of wax removal. Chemical paraffin removers are mainly oil-soluble and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K8/524
CPCC09K8/524C09K2208/10
Inventor 任建平薛焱璟陈春
Owner 常州市雄泰纺织品有限公司
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