CN101074342A - Hydrogen-sulfide-corrosion-resisting oil pipe coating and its production - Google Patents
Hydrogen-sulfide-corrosion-resisting oil pipe coating and its production Download PDFInfo
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Abstract
An oil-pipeline coating against hydrogen sulfide corrosion and its production are disclosed. The process is carried out by adding modified phenyl phenolic epoxy resin into mixed solvent of dimethyl benzene, dipropyl keto-alcohol and carboxylic binary ester, adding into chromium oxide green, precipitated barium sulfate, graphite, polytef and polyacrylate copolymer solution, poly-methyl alkyl siloxane solution and polyamide was, mixing, agitating, grinding to obtain oil-pipeline coating A liquid against hydrogen sulfide corrosion, adding Mannich addition modified polyamine into mixed solution of anhydrous alcohol and propanone to obtain B liquid and mixing. It can be used for borehole well oil pipe of hydrogen sulfide gas well and transfer pipeline with high sulfur content.
Description
Technical field
The present invention relates to a kind of oil-pipe coating and manufacture method of hydrogen sulfide corrosion resistant, be used for the drilling well oil pipe in high-hydrogen sulfide gas field and the inner wall anti-corrosive of gathering line.
Background technology
Existing high-hydrogen sulfide oil-gas field development adopts the filling inhibiter, prevents that with the aulfide resistant steel method oil pipe and gathering line are interior anticorrosion that its weak point is to use inconvenience, expense height; The existing epoxypaint that is used for oil pipe and gathering line inner wall anti-corrosive, its coating hydrogen sulfide corrosion resistance can be not enough.
Summary of the invention
The technical problem to be solved in the present invention: avoid above-mentioned weak point of the prior art and a kind of erosion resistance that can improve hydrogen sulfide, mud acid is provided, have the oil-pipe coating and the manufacture method of the hydrogen sulfide corrosion resistant of anti-strong acid, wear-resisting, good toughness.
The technical solution used in the present invention: the oil-pipe coating of hydrogen sulfide corrosion resistant, it is characterized in that being made up of A liquid and B liquid, wherein A liquid is by 1 weight part modified phenol phenol aldehyde type epoxy resin, 0.3 weight part dimethylbenzene, 0.3 weight part diacetone alcohol, 0.4 weight part carboxylic acid dibasic ester, 0.1～0.2 weight part chromoxide green, 0.1～0.2 weight part process white, 0.1～0.2 weight part graphite, 0.05～0.1 weight part tetrafluoroethylene, 0.01～0.1 weight part polyacrylic ester interpolymer solution, 0.01～0.1 weight part gathers methyl alkyl siloxane solution, 0.01～0.05 weight parts of polyamide wax is formed; B liquid is made up of this addition modification polyamine of 1 weight part Manny, 0.2～0.5 weight part dehydrated alcohol and 0.1～0.4 weight part acetone mixing solutions mixing solutions, is made up of 1 weight part A liquid and 0.06～0.2 weight part B liquid during use.
The oil-pipe coating of more excellent hydrogen sulfide corrosion resistant, it is characterized in that being made up of A liquid and B liquid, wherein A liquid is made up of 1 weight part modified phenol phenol aldehyde type epoxy resin, 0.3 weight part dimethylbenzene, 0.3 weight part diacetone alcohol, 0.4 weight part carboxylic acid dibasic ester, 0.2 weight part chromoxide green, 0.2 weight part process white, 0.1 weight part graphite, 0.05 weight part tetrafluoroethylene, 0.01 weight part polyacrylic ester interpolymer solution, the poly-methyl alkyl siloxane solution of 0.01 weight part, 0.02 weight parts of polyamide wax; B liquid is made up of this addition modification polyamine of 1 weight part Manny, 0.28 weight part dehydrated alcohol and 0.14 weight part acetone mixing solutions, is made up of 1 weight part A liquid and 0.16 weight part B liquid during use.
The manufacture method of the oil-pipe coating of hydrogen sulfide corrosion resistant, it is characterized in that 1 weight part modified phenol phenol aldehyde type epoxy resin is joined 0.3 weight part dimethylbenzene, 0.3 weight part diacetone alcohol, 0.4 in the mixed solvent of weight part carboxylic acid dibasic ester, dispersing and dissolving in addition, after the high-speed stirring, under condition of stirring, add 0.1～0.2 weight part chromoxide green, 0.1～0.2 weight part process white, 0.1～0.2 weight part graphite, 0.05～0.1 weight part tetrafluoroethylene, 0.01～0.1 weight part polyacrylic ester interpolymer solution, 0.01～0.1 weight part gathers methyl alkyl siloxane solution, 0.01～0.05 weight parts of polyamide wax grinds 0.5～1h with sand mill then and makes A liquid; Make B liquid by this addition modification polyamine of 1 weight part Manny, 0.2～0.5 weight part dehydrated alcohol and 0.1～0.4 weight part acetone mixing solutions, mix by 1 weight part A liquid and 0.06～0.2 weight part B liquid during use.
The manufacture method of the oil-pipe coating of more excellent hydrogen sulfide corrosion resistant, it is characterized in that 1 weight part modified phenol phenol aldehyde type epoxy resin is joined 0.3 weight part dimethylbenzene, 0.3 weight part diacetone alcohol, 0.4 in the mixed solvent of weight part carboxylic acid dibasic ester, dispersing and dissolving in addition, after the high-speed stirring, under condition of stirring, add 0.2 weight part chromoxide green, 0.2 weight part process white, 0.1 weight part graphite, 0.05 weight part tetrafluoroethylene, 0.01 weight part polyacrylic ester interpolymer solution, 0.01 weight part gathers methyl alkyl siloxane solution, 0.02 weight parts of polyamide wax grinds 0.5～1h with sand mill then and makes A liquid; Make B liquid by this addition modification polyamine of 1 weight part Manny, 0.28 weight part dehydrated alcohol and 0.14 weight part acetone mixing solutions, mix by 1 weight part A liquid and 0.16 weight part B liquid during use.
The oil-pipe coating of hydrogen sulfide corrosion resistant of the present invention and manufacture method by modified phenol phenol aldehyde type epoxy resin solution, add that the acidproof color stuffing of a spot of auxiliary agent and some amount is formulated.In the modified phenol phenol aldehyde type epoxy resin molecular structure that in manufacturing processed, uses groups such as a large amount of hydroxyls, ether and phenyl ring are arranged, active epoxy group(ing) can form very firm chemical bond with the interface metal atomic reaction in solidification process, strengthened the sticking power of coating and base material, and made that coating is hard, snappiness good.Hydroxyl in the structure directly links to each other with phenyl ring, because the conjugative effect of phenyl ring, make on the hydroxyl the total electron pair of Sauerstoffatom shift to phenyl ring, hydrogen atom very easily forms the ion of unbound state, when with acidic solution in hydrogen atom when it's convenient produced common-ion effcet mutually, hindered in the resin structure the free of hydrogen atom on the hydroxyl.Thereby have good anti-H 2 S, an acid corrosion-resistant performance.Not containing in the pigment can be by the active metal element of acid corrosion, and graphite is flake-like pigment particles, has reduced the transmitance of hydrogen sulfide at coatingsurface.The polyacrylic ester interpolymer solution that uses improves levelling property and gloss, produces the long wave effect, and prevents from the shrinkage cavity of system to stop the infiltration of hydrogen sulfide.Poly-methyl alkyl siloxane solution reduces the surface tension of coating system, has improved to flow and levelling property and help to eliminate bubble in the coating, and has avoided the formation of Bei Nade whirlpool.The polyamide wax that uses helps to improve the thixotropy and the application property of coating, improves the stability in storage of coating.
The present invention's beneficial effect compared with prior art
1, the oil-pipe coating of hydrogen sulfide corrosion resistant of the present invention, its coating has good sticking power, toughness, wear resistance, thermotolerance, solvent resistance, acid resistance excellence, especially anti-H
2The S corrosion is at stagnation pressure 32MPa, H
2S dividing potential drop 3.2MPa, CO
2Dividing potential drop 3.2MPa, it is intact to soak the 168h coating in 90 ℃ of solution, 93 ℃ down can anti-15% hydrochloric acid, the corrosion of 15% hydrofluoric acid mixing solutions.Can be used for the drilling well oil pipe in high-hydrogen sulfide gas field and the inner wall anti-corrosive of gathering line.
2, the manufacture method of the oil-pipe coating of hydrogen sulfide corrosion resistant of the present invention, technology is simple, need not specific installation, price comparison is low.
Embodiment 1
The manufacture method of the oil-pipe coating of hydrogen sulfide corrosion resistant of the present invention.In stainless charging basket, add 0.3 weight part dimethylbenzene earlier, 0.3 weight part diacetone alcohol, 0.4 weight part carboxylic acid dibasic ester mixes, adding 1 weight part modified phenol phenol aldehyde type epoxy resin again dissolves it in advance, behind the high-speed stirring 0.5h, under condition of stirring, add 0.2 weight part chromoxide green, 0.2 weight part process white, 0.1 weight part graphite, 0.05 weight part tetrafluoroethylene, 0.01 weight part polyacrylic ester interpolymer solution, 0.01 weight part gathers methyl alkyl siloxane solution, 0.02 weight parts of polyamide wax, use sand mill circular grinding 0.5～1h then, make A liquid; Make B liquid by this addition modification polyamine of 1 weight part Manny, 0.28 weight part dehydrated alcohol and 0.14 weight part acetone mixing solutions, mix by 1 weight part A liquid and 0.16 weight part B liquid during use.
Form the coating of good-looking behind its paint solidification of the oil-pipe coating of hydrogen sulfide corrosion resistant, especially anti-H
2The S corrosion is at stagnation pressure 32MPa, H
2S dividing potential drop 3.2MPa, CO
2Dividing potential drop 3.2MPa, it is intact to soak the 168h coating in 90 ℃ of solution, 93 ℃ down can anti-15% hydrochloric acid, the corrosion of 15% hydrofluoric acid mixing solutions.
In the Comparative Examples test, adopt Resins, epoxy or novolac epoxy to replace the modified phenol phenol aldehyde type epoxy resin, adopt polyamine to replace this addition modification polyamine of Manny, its coating performance does not reach the coating performance of the oil-pipe coating of hydrogen sulfide corrosion resistant of the present invention.
The raw materials used commercially available product that all adopts.
Claims (4)
1, a kind of oil-pipe coating of hydrogen sulfide corrosion resistant, it is characterized in that being made up of A liquid and B liquid, wherein A liquid is by 1 weight part modified phenol phenol aldehyde type epoxy resin, 0.3 weight part dimethylbenzene, 0.3 weight part diacetone alcohol, 0.4 weight part carboxylic acid dibasic ester, 0.1～0.2 weight part chromoxide green, 0.1～0.2 weight part process white, 0.1～0.2 weight part graphite, 0.05～0.1 weight part tetrafluoroethylene, 0.01～0.1 weight part polyacrylic ester interpolymer solution, 0.01～0.1 weight part gathers methyl alkyl siloxane solution, 0.01～0.05 weight parts of polyamide wax is formed; B liquid is made up of this addition modification polyamine of 1 weight part Manny, 0.2～0.5 weight part dehydrated alcohol and 0.1～0.4 weight part acetone mixing solutions, is made up of 1 weight part A liquid and 0.06～0.2 weight part B liquid during use.
2, the oil-pipe coating of hydrogen sulfide corrosion resistant according to claim 1, wherein A liquid is made up of 1 weight part modified phenol phenol aldehyde type epoxy resin, 0.3 weight part dimethylbenzene, 0.3 weight part diacetone alcohol, 0.4 weight part carboxylic acid dibasic ester, 0.2 weight part chromoxide green, 0.2 weight part process white, 0.1 weight part graphite, 0.05 weight part tetrafluoroethylene, 0.01 weight part polyacrylic ester interpolymer solution, the poly-methyl alkyl siloxane solution of 0.01 weight part, 0.02 weight parts of polyamide wax; B liquid is made up of this addition modification polyamine of 1 weight part Manny, 0.28 weight part dehydrated alcohol and 0.14 weight part acetone mixing solutions, is made up of 1 weight part A liquid and 0.16 weight part B liquid during use.
3, the manufacture method of the oil-pipe coating of the described hydrogen sulfide corrosion resistant of a kind of claim 1, it is characterized in that 1 weight part modified phenol phenol aldehyde type epoxy resin is joined 0.3 weight part dimethylbenzene, 0.3 weight part diacetone alcohol, 0.4 in the mixed solvent of weight part carboxylic acid dibasic ester, dispersing and dissolving in addition, after the high-speed stirring, under condition of stirring, add 0.1～0.2 weight part chromoxide green, 0.1～0.2 weight part process white, 0.1～0.2 weight part graphite, 0.05～0.1 weight part tetrafluoroethylene, 0.01～0.1 weight part polyacrylic ester interpolymer solution, 0.01～0.1 weight part gathers methyl alkyl siloxane solution, 0.01～0.05 weight parts of polyamide wax grinds 0.5～1h with sand mill then and makes A liquid; Make B liquid by this addition modification polyamine of 1 weight part Manny, 0.2～0.5 weight part dehydrated alcohol and 0.1～0.4 weight part acetone mixing solutions, mix by 1 weight part A liquid and 0.06～0.2 weight part B liquid during use.
4, the manufacture method of the oil-pipe coating of hydrogen sulfide corrosion resistant according to claim 3, it is characterized in that 1 weight part modified phenol phenol aldehyde type epoxy resin is joined 0.3 weight part dimethylbenzene, 0.3 weight part diacetone alcohol, 0.4 in the mixed solvent of weight part carboxylic acid dibasic ester, dispersing and dissolving in addition, after the high-speed stirring, under condition of stirring, add 0.2 weight part chromoxide green, 0.2 weight part process white, 0.1 weight part graphite, 0.05 weight part tetrafluoroethylene, 0.01 weight part polyacrylic ester interpolymer solution, 0.01 weight part gathers methyl alkyl siloxane solution, 0.02 weight parts of polyamide wax grinds 0.5～1h with sand mill then and makes A liquid; Make B liquid by this addition modification polyamine of 1 weight part Manny, 0.28 weight part dehydrated alcohol and 0.14 weight part acetone mixing solutions, mix by 1 weight part A liquid and 0.16 weight part B liquid during use.
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| CNB2006100782451A CN100549115C (en) | 2006-05-18 | 2006-05-18 | The oil-pipe coating of hydrogen sulfide corrosion resistant and manufacture method |
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| CNB2006100782451A CN100549115C (en) | 2006-05-18 | 2006-05-18 | The oil-pipe coating of hydrogen sulfide corrosion resistant and manufacture method |
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| CN101074342A true CN101074342A (en) | 2007-11-21 |
| CN100549115C CN100549115C (en) | 2009-10-14 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101781507B (en) * | 2010-02-05 | 2012-06-13 | 安徽海程涂复科技有限公司 | Bicomponent black Dacroment sealing liquid and preparation method thereof |
| CN102575115A (en) * | 2009-09-30 | 2012-07-11 | E.I.内穆尔杜邦公司 | An anticorrosion coating composition, an anticorrosion film and an anticorrosive article |
| CN104356817A (en) * | 2014-12-10 | 2015-02-18 | 李永志 | Coating |
| WO2015091802A1 (en) * | 2013-12-18 | 2015-06-25 | Dow Corning Corporation | Antifriction coating |
| CN104946091A (en) * | 2015-06-26 | 2015-09-30 | 芜湖县双宝建材有限公司 | Special corrosion-resistant high-temperature-resistant paint for chemical equipment |
| WO2019061378A1 (en) * | 2017-09-28 | 2019-04-04 | 常州百思通复合材料有限公司 | Gas-discharging or gas and smoke-discharging pipeline for cleanroom and fabrication method therefor |
| CN112662258A (en) * | 2020-12-21 | 2021-04-16 | 杭州之江新材料有限公司 | Transparent vulcanization corrosion-resistant primer and preparation method thereof |
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2006
- 2006-05-18 CN CNB2006100782451A patent/CN100549115C/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102575115A (en) * | 2009-09-30 | 2012-07-11 | E.I.内穆尔杜邦公司 | An anticorrosion coating composition, an anticorrosion film and an anticorrosive article |
| CN101781507B (en) * | 2010-02-05 | 2012-06-13 | 安徽海程涂复科技有限公司 | Bicomponent black Dacroment sealing liquid and preparation method thereof |
| WO2015091802A1 (en) * | 2013-12-18 | 2015-06-25 | Dow Corning Corporation | Antifriction coating |
| CN105873975A (en) * | 2013-12-18 | 2016-08-17 | 道康宁公司 | Antifriction coating |
| US10119094B2 (en) | 2013-12-18 | 2018-11-06 | Dow Silicones Corporation | Antifriction coating |
| CN104356817A (en) * | 2014-12-10 | 2015-02-18 | 李永志 | Coating |
| CN104946091A (en) * | 2015-06-26 | 2015-09-30 | 芜湖县双宝建材有限公司 | Special corrosion-resistant high-temperature-resistant paint for chemical equipment |
| WO2019061378A1 (en) * | 2017-09-28 | 2019-04-04 | 常州百思通复合材料有限公司 | Gas-discharging or gas and smoke-discharging pipeline for cleanroom and fabrication method therefor |
| US11279111B2 (en) | 2017-09-28 | 2022-03-22 | Bamstone New Material Technology (Wuhan) Co., Ltd. | Air exhaust or air-and-smoke exhaust pipe for clean room and manufacturing method therefor |
| CN112662258A (en) * | 2020-12-21 | 2021-04-16 | 杭州之江新材料有限公司 | Transparent vulcanization corrosion-resistant primer and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN100549115C (en) | 2009-10-14 |
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