CN103882437B - Oil-gas gathering and transferring pipeline inhibiter and preparation method thereof - Google Patents
Oil-gas gathering and transferring pipeline inhibiter and preparation method thereof Download PDFInfo
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- CN103882437B CN103882437B CN201410128046.1A CN201410128046A CN103882437B CN 103882437 B CN103882437 B CN 103882437B CN 201410128046 A CN201410128046 A CN 201410128046A CN 103882437 B CN103882437 B CN 103882437B
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Abstract
The present invention discloses a kind of oil-gas gathering and transferring pipeline inhibiter, comprise following component 1 ~ 3 part of polyacrylic acid, 2 ~ 10 parts of tensio-active agents, 5 ~ 8 parts of Sunmorl N 60Ss, 1 ~ 5 part of aromatic series azole, 5 ~ 20 parts of carbonate, 20 ~ 40 parts of organic amines, 10 ~ 30 parts of carriers, 10 ~ 30 parts of barium mahogany sulfonates, 1 ~ 3 part of liquid wax and 10 ~ 20 parts of distilled water.And the preparation method of oil-gas gathering and transferring pipeline inhibiter.Mainly for the acid attack existed in liquid or Sweet natural gas oil field pipe, the especially corrosion that causes of hydrogen sulfide; By adding carbonate and carrier, forming the overall solution in alkalescence, better guaranteeing the absorption to acidity; And in composition, add the absorption of the metal ion such as iron, aluminium, calcium that Sunmorl N 60S better realizes existing in petroleum pipe line exploitation, form the complex compound of above-mentioned ion, avoid galvanic corrosion occurs, and preparation method's operation does not need special equipment, material obtains easily, has a good application prospect.
Description
Technical field
The present invention relates to a kind of inhibiter, particularly relate to a kind of oil-gas gathering and transferring pipeline inhibiter and preparation method thereof.
Background technology
The service condition of oil field equipment mainly carries and environment, under harsh envrionment conditions, makes corrosion become one of its main collapse mode.Corrosion is one of difficult problem of puzzlement industrial gas oil development.Corrosion substantially reduces work-ing life of oil field equipment and gathering line, according to "ball-park" estimate, and corrode that the loss caused to China Petroleum accounts for the industry gross output value 6%, and take suitable anti-corrosion measure at least can retrieve the loss of 30% ~ 40%.Although develop the corrosion resistant material that some are special, such as, but can not realize comprehensive protection against corrosion for the oil field environment of complexity, some material can prevent hydrogen sulfide splitting, but can not prevent the general corrosion of hydrogen sulfide and carbonic acid gas, and adopt anticorrosive, cost is higher.Therefore, be necessary to study other more effectively anticorrosive measures, the many anticorrosive measure of current research adds inhibiter in transport pipe inside, when inhibiter refers to and is present in surrounding medium with suitable concentration and form, can prevent or slow down chemical substance or the mixture of material corrosion, therefore inhibiter also can be called corrosion inhibitor.Its consumption is very little, but Be very effective.
Oil field corrosion has following feature: gas, water, hydrocarbon, the Multiphase Flow medium admittedly coexisted, existing general corrosion has local corrosion again, also comprise the acid liquid corrosion of carbon dioxide and formation, hydrogen sulfide corrosion, stress corrosion crack and microbiological corrosion etc., the corrosion formed for hydrogen sulfide and acid solution thereof at present does not also have effective inhibiter.
Because the defect that above-mentioned existing inhibiter exists, the present inventor is based on being engaged in the practical experience and expertise that this type of product design manufacture enriches for many years, and coordinate the utilization of scientific principle, actively in addition research and innovation, to founding a kind of Novel oil gas gathering line inhibiter and preparation method thereof, it is made to have more practicality.Through constantly research, design, and through repeatedly studying sample and after improving, finally creating the present invention had practical value.
Summary of the invention
Main purpose of the present invention is, overcome the defect that existing inhibiter exists, and a kind of Novel oil gas gathering line inhibiter and preparation method thereof is provided, realize the protection against corrosion to oil transportation and gas transmission simultaneously, thus be more suitable for practicality, and there is the utility value in industry.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to the gas gathering line inhibiter that the present invention proposes, comprise following component 1 ~ 3 part of polyacrylic acid, 2 ~ 10 parts of tensio-active agents, 5 ~ 8 parts of Sunmorl N 60Ss, 1 ~ 5 part of aromatic series azole, 5 ~ 20 parts of carbonate, 20 ~ 40 parts of organic amines, 10 ~ 30 parts of carriers, 10 ~ 30 parts of barium mahogany sulfonates, 1 ~ 3 part of liquid wax and 10 ~ 20 parts of distilled water.
Concrete, aforesaid oil-gas gathering and transferring pipeline inhibiter, described aromatic series azole is for dredging base benzotriazole or benzotriazole; Described carbonate is salt of wormwood or sodium carbonate; Described organic amine is methyldiethanolamine, diisopropanolamine (DIPA), monoethanolamine, cetylamine, stearylamine, morpholine, diethanolamine or trolamine.
Concrete, aforesaid oil-gas gathering and transferring pipeline inhibiter, described carrier is N doping mesoporous carbon.
Concrete, the preparation method of aforesaid oil-gas gathering and transferring pipeline inhibiter, the method comprises the steps:
1) solution of described carbonate is mixed at ambient temperature with described carrier, stirs;
2) in the mixing solutions of step 1), add polyacrylic acid, tensio-active agent, Sunmorl N 60S, aromatic series azole and organic amine realize prepolymerization under 80 DEG C ~ 110 DEG C temperature condition;
3) in step 2) add barium mahogany sulfonate and liquid wax, abundant mixing and stirring under rotating speed is 200 ~ 400r/min condition in the prepolymer prepared, leave standstill 10h ~ 15h at ambient temperature, after bubble collapse, obtain target product.
Concrete, the preparation method of aforesaid oil-gas gathering and transferring pipeline inhibiter, in described step 1), described stirring velocity is 100 ~ 200r/min.
Concrete, the preparation method of aforesaid oil-gas gathering and transferring pipeline inhibiter, the carrier in described step 1) is N doping mesoporous carbon.
Concrete, your preparation method of oil-gas gathering and transferring pipeline inhibiter of stating in fact, described aromatic series azole is for dredging base benzotriazole or benzotriazole.
Concrete, the preparation method of aforesaid oil-gas gathering and transferring pipeline inhibiter, described carbonate is salt of wormwood or sodium carbonate.
Concrete, the preparation method of aforesaid oil-gas gathering and transferring pipeline inhibiter, described organic amine is methyldiethanolamine, diisopropanolamine (DIPA), monoethanolamine, cetylamine, stearylamine, morpholine, diethanolamine or trolamine.
Concrete, the preparation method of aforesaid oil-gas gathering and transferring pipeline inhibiter, the churning time of described step 3) is at least 4 hours.
By technique scheme, oil-gas gathering and transferring pipeline inhibiter of the present invention and preparation method thereof at least has following advantages:
Oil-gas gathering and transferring pipeline inhibiter of the present invention, mainly for the acid attack existed in liquid or Sweet natural gas oil field pipe, the especially corrosion that causes of hydrogen sulfide; By adding carbonate and carrier, forming the overall solution in alkalescence, better guaranteeing the absorption to acidity; And in composition, add Sunmorl N 60S better realize, to the absorption of the metal ion such as iron, aluminium, calcium existed in petroleum pipe line exploitation, forming the complex compound of above-mentioned ion, avoid galvanic corrosion occurs; Further add aromatic series azole, better absorbing copper ions, therefore there is multiple release mechanism in oil-gas gathering and transferring pipeline inhibiter of the present invention, better realizes etch-proof effect; And overall preparation method's operation of inhibiter does not need special equipment, material obtains easily, cheap, is applicable to large-scale promotion development, has a good application prospect.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technique means of the present invention, and can be implemented according to the content of specification sheets, be described in detail as follows below with preferred embodiment of the present invention.
Embodiment
For further setting forth the present invention for the technique means reaching predetermined goal of the invention and take and effect, to the oil-gas gathering and transferring pipeline inhibiter proposed according to the present invention and preparation method thereof its embodiment, feature and effect thereof, be described in detail as follows.
embodiment 1
Gas gathering line inhibiter of the present invention, comprises 2 parts of polyacrylic acid, 4 parts of tensio-active agents, 6 parts of Sunmorl N 60Ss, 4 parts of thin base benzotriazoles, 14 parts of salt of wormwood, 27 parts of diisopropanolamine (DIPA), 13 parts of carrier N doping mesoporous carbon, 16 parts of barium mahogany sulfonates, 2 parts of liquid waxs and 12 parts of distilled water.
The solution taking 14 parts of salt of wormwood in proportion mixes at ambient temperature with 13 parts of N doping mesoporous carbon, stirs, and stirring velocity is 100 ~ 200r/min; In the mixing solutions of step 1), add 2 parts of polyacrylic acid, 4 parts of tensio-active agents, 6 parts of Sunmorl N 60Ss, 4 parts of thin base benzotriazoles and 27 parts of diisopropanolamine (DIPA) realize prepolymerization under 80 DEG C ~ 110 DEG C temperature condition; In step 2) add 16 parts of barium mahogany sulfonates and 2 parts of liquid waxs in the prepolymer prepared, abundant mixing and stirring under rotating speed is 200 ~ 400r/min condition, at least stir 4 hours, leave standstill 10h ~ 15h at ambient temperature, after bubble collapse, obtain target product.Verify inhibiter prepared by the present embodiment, inhibition efficiency reaches about 78%.
embodiment 2
Gas gathering line inhibiter of the present invention, comprises 1 part of polyacrylic acid, 5 parts of tensio-active agents, 5 parts of Sunmorl N 60Ss, 5 parts of benzotriazoles, 12 parts of salt of wormwood, 25 parts of ethylene glycol amine, 13 parts of carrier N doping mesoporous carbon, 20 parts of barium mahogany sulfonates, 2 parts of liquid waxs and 12 parts of distilled water.
The solution taking 12 parts of salt of wormwood in proportion mixes at ambient temperature with 13 parts of N doping mesoporous carbon, stirs, and stirring velocity is 100 ~ 200r/min; In the mixing solutions of step 1), add 1 part of polyacrylic acid, 5 parts of tensio-active agents, 5 parts of Sunmorl N 60Ss, 5 parts of benzotriazoles and 25 parts of ethylene glycol amine realize prepolymerization under 80 DEG C ~ 110 DEG C temperature condition; In step 2) add 20 parts of barium mahogany sulfonates and 2 parts of liquid waxs in the prepolymer prepared, abundant mixing and stirring under rotating speed is 200 ~ 400r/min condition, at least stir 4 hours, leave standstill 10h ~ 15h at ambient temperature, after bubble collapse, obtain target product.Verify inhibiter prepared by the present embodiment, inhibition efficiency reaches about 81%.
embodiment 3
Gas gathering line inhibiter of the present invention, comprises 3 parts of polyacrylic acid, 3 parts of tensio-active agents, 5 parts of Sunmorl N 60Ss, 4 parts of benzotriazoles, 10 parts of sodium carbonate, 24 parts of monoethanolamines, 13 parts of carrier N doping mesoporous carbon, 20 parts of barium mahogany sulfonates, 3 parts of liquid waxs and 15 parts of distilled water.
The solution taking 10 parts of sodium carbonate in proportion mixes at ambient temperature with 13 parts of N doping mesoporous carbon, stirs, and stirring velocity is 100 ~ 200r/min; In the mixing solutions of step 1), add 3 parts of polyacrylic acid, 3 parts of tensio-active agents, 5 parts of Sunmorl N 60Ss, 4 parts of benzotriazoles and 24 parts of monoethanolamines realize prepolymerization under 80 DEG C ~ 110 DEG C temperature condition; In step 2) add 20 parts of barium mahogany sulfonates and 3 parts of liquid waxs in the prepolymer prepared, abundant mixing and stirring under rotating speed is 200 ~ 400r/min condition, at least stir 5 hours, leave standstill 10h ~ 15h at ambient temperature, after bubble collapse, obtain target product.Verify inhibiter prepared by the present embodiment, inhibition efficiency reaches about 83%.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (4)
1. an oil-gas gathering and transferring pipeline inhibiter, it is characterized in that, comprise following component 1 ~ 3 part of polyacrylic acid, 2 ~ 10 parts of tensio-active agents, 5 ~ 8 parts of Sunmorl N 60Ss, 1 ~ 5 part of aromatic series azole, 5 ~ 20 parts of carbonate, 20 ~ 40 parts of organic amines, 10 ~ 30 parts of carriers, 10 ~ 30 parts of barium mahogany sulfonates, 1 ~ 3 part of liquid wax and 10 ~ 20 parts of distilled water; Described aromatic series azole is for dredging base benzotriazole or benzotriazole; Described carbonate is salt of wormwood or sodium carbonate; Described organic amine is methyldiethanolamine, diisopropanolamine (DIPA), monoethanolamine, cetylamine, stearylamine, morpholine, diethanolamine or trolamine; Described carrier is N doping mesoporous carbon.
2. the preparation method of oil-gas gathering and transferring pipeline inhibiter according to claim 1, it is characterized in that, the method comprises the steps:
1) solution of described carbonate is mixed at ambient temperature with described carrier, stirs;
2) in step 1) mixing solutions in add polyacrylic acid, tensio-active agent, Sunmorl N 60S, aromatic series azole and organic amine realize prepolymerization under 80 DEG C ~ 110 DEG C temperature condition;
3) in step 2) add barium mahogany sulfonate and liquid wax, abundant mixing and stirring under rotating speed is 200 ~ 400r/min condition in the prepolymer prepared, leave standstill 10h ~ 15h at ambient temperature, after bubble collapse, obtain target product.
3. the preparation method of oil-gas gathering and transferring pipeline inhibiter according to claim 2, is characterized in that, described step 1) in, described stirring velocity is 100 ~ 200r/min.
4. the preparation method of oil-gas gathering and transferring pipeline inhibiter according to claim 2, is characterized in that, described step 3) churning time be at least 4 hours.
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| CN104451699B (en) * | 2014-11-20 | 2016-08-24 | 中国石油天然气集团公司 | A kind of H2s-HCl-H2o system high-temperature corrosion inhibitor and preparation method thereof |
| CN105154884B (en) * | 2015-09-06 | 2018-05-11 | 陕西驭腾实业有限公司 | A kind of gas fired-boiler ultralow temperature flue gas corrosion inhibiter and preparation method thereof and application method |
| CN106555137B (en) * | 2016-11-30 | 2017-12-29 | 西安石油大学 | A kind of manufacture method of corrosion resisting alloy hot finished steel pipe |
| CN108504343A (en) * | 2018-05-09 | 2018-09-07 | 西安瑞杰油田物资实业开发有限公司 | A kind of sulfur resistive corrosion inhibiter and preparation method thereof |
| CN109267068B (en) * | 2018-11-22 | 2020-11-10 | 中石化炼化工程（集团）股份有限公司 | Stress corrosion cracking inhibitor, preparation method and application thereof |
| CN109368900A (en) * | 2018-11-22 | 2019-02-22 | 中国石油工程建设有限公司 | A kind of sulfur Gas Fields water treatment technology |
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| CN102660244A (en) * | 2012-05-17 | 2012-09-12 | 中国石油集团工程设计有限责任公司 | Composite-type oil-gas field corrosion inhibitor |
| CN102978624A (en) * | 2012-12-06 | 2013-03-20 | 中国石油集团工程设计有限责任公司 | Oil-gas field gas transmission pipeline corrosion inhibitor and preparation method thereof |
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Patent Citations (2)
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| CN102660244A (en) * | 2012-05-17 | 2012-09-12 | 中国石油集团工程设计有限责任公司 | Composite-type oil-gas field corrosion inhibitor |
| CN102978624A (en) * | 2012-12-06 | 2013-03-20 | 中国石油集团工程设计有限责任公司 | Oil-gas field gas transmission pipeline corrosion inhibitor and preparation method thereof |
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