CN102911651A - Oil field compound type anti-scale corrosion inhibitor and preparation method thereof - Google Patents
Oil field compound type anti-scale corrosion inhibitor and preparation method thereof Download PDFInfo
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- CN102911651A CN102911651A CN2012104457229A CN201210445722A CN102911651A CN 102911651 A CN102911651 A CN 102911651A CN 2012104457229 A CN2012104457229 A CN 2012104457229A CN 201210445722 A CN201210445722 A CN 201210445722A CN 102911651 A CN102911651 A CN 102911651A
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- corrosion inhibitor
- oil field
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- compositional type
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- 230000007797 corrosion Effects 0.000 title claims abstract description 51
- 238000005260 corrosion Methods 0.000 title claims abstract description 51
- 239000003112 inhibitor Substances 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 150000001875 compounds Chemical class 0.000 title abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910000162 sodium phosphate Inorganic materials 0.000 claims abstract description 7
- 239000001488 sodium phosphate Substances 0.000 claims abstract description 7
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims abstract description 6
- YDONNITUKPKTIG-UHFFFAOYSA-N [Nitrilotris(methylene)]trisphosphonic acid Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CP(O)(O)=O YDONNITUKPKTIG-UHFFFAOYSA-N 0.000 claims abstract description 5
- DBVJJBKOTRCVKF-UHFFFAOYSA-N Etidronic acid Chemical compound OP(=O)(O)C(O)(C)P(O)(O)=O DBVJJBKOTRCVKF-UHFFFAOYSA-N 0.000 claims description 3
- 238000013019 agitation Methods 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000005764 inhibitory process Effects 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 3
- 229920001577 copolymer Polymers 0.000 abstract 3
- 235000015393 sodium molybdate Nutrition 0.000 abstract 2
- 239000011684 sodium molybdate Substances 0.000 abstract 2
- BAERPNBPLZWCES-UHFFFAOYSA-N (2-hydroxy-1-phosphonoethyl)phosphonic acid Chemical compound OCC(P(O)(O)=O)P(O)(O)=O BAERPNBPLZWCES-UHFFFAOYSA-N 0.000 abstract 1
- XOHCVEDNEBOCBH-UHFFFAOYSA-N 2-methyl-2-(prop-2-enoylamino)propane-1-sulfonic acid;prop-2-enoic acid Chemical compound OC(=O)C=C.OS(=O)(=O)CC(C)(C)NC(=O)C=C XOHCVEDNEBOCBH-UHFFFAOYSA-N 0.000 abstract 1
- 239000011259 mixed solution Substances 0.000 abstract 1
- 230000000116 mitigating effect Effects 0.000 description 7
- 230000002401 inhibitory effect Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 0 CCC(*)*(*(C)(C1C(CC)C1)NC)C(C)=* Chemical compound CCC(*)*(*(C)(C1C(CC)C1)NC)C(C)=* 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical group [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000002455 scale inhibitor Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention relates to an oil field compound type anti-scale corrosion inhibitor and a preparation method thereof, belonging to the technical field of corrosion inhibitor. The oil field compound type anti-scale corrosion inhibitor is characterized by comprising the components by mass percent: 5-10% of sodium molybdate, 10-20% of sodium phosphate, 0.5-1% of acrylic acid-2-acrylamido-2-methyl propane sulfonic acid (AA-AMPS) copolymer, 1-2% of amino trimethylene phosphonic acid and 1-2% of hydroxyl ethylidene diphosphonic acid (HEDP). The preparation method comprises the steps of: firstly, completely dissolving sodium molybdate and sodium phosphate by using water; then, adding the AA-AMPS copolymer under the condition of stirring until the copolymer is completely dissolved; subsequently, adding ATMP and the HEDP, and further stirring for dissolving; and finally, adding water until the concentration of the mixed solution is in accordance with the requirement, so as to obtain the oil field compound type anti-scale corrosion inhibitor. The inhibitor disclosed by the invention has the advantages of simple components, available raw materials, simple technology, high efficiency, low cost, low dosage, good scale inhibition, descaling and corrosion inhibition effects and the like, and is convenient to prepare, rapid.
Description
Technical field
The invention belongs to the inhibiter technical field, particularly relate to a kind of oil field Compositional type anti-incrustation corrosion inhibitor and preparation method thereof.
Background technology
At present, corrosion refers to destruction or the denaturalization phenomenon that material causes under the effect of its surrounding environment medium.Industrial gas oil is subjected to corrosion harmfulness the most serious.Oil-gas field is distributed in saline and alkaline marshy terrain and ocean mostly, in having, strong, even strong especially corrodibility, very serious to various pipes, corrosion buried, maritime facilities, add most oil-gas fields and entered middle and high Water-cut Period, the water ratio of Produced Liquid is generally more than 70%～90%, and very serious to the corrosion of all kinds of facilities, erosion rate is up to 1.5～3mm/a.According to the Zhongyuan Oil Field report analysis, the annual Direct Loss that cause to the Zhongyuan Oil Field of corrosion are very large, and wherein replacing and the aboveground facility maintenance cost of the down-hole facilities such as oil pipe, sucker rod, pump are very high, in addition, also have loss and the technical problems such as stopping production and loss of life and personal injury.
Summary of the invention
The present invention provides a kind of oil field Compositional type anti-incrustation corrosion inhibitor and preparation method thereof for solving the technical problem that exists in the known technology.
The oil field Compositional type anti-incrustation corrosion inhibitor of the characteristics such as one of purpose of the present invention provides that a kind of to have a component simple, and raw material is easy to get, and preparation is convenient, with low cost, and scale inhibition, scale removal, corrosion mitigating effect are good.
Oil field of the present invention is to solve the technical scheme that the technical problem that exists in the known technology takes to be with the Compositional type anti-incrustation corrosion inhibitor:
A kind of oil field Compositional type anti-incrustation corrosion inhibitor is characterized in: the oil field with the composition of Compositional type anti-incrustation corrosion inhibitor is, the mass percent that the aqueous solution contains each component is,
Following technical scheme can also be adopted with the Compositional type anti-incrustation corrosion inhibitor in oil field of the present invention:
Described oil field Compositional type anti-incrustation corrosion inhibitor is characterized in: AAAMPS is the multipolymer of vinylformic acid-2-acrylamide-2-methylpro panesulfonic acid, and molecular formula is as follows:
The oil field of the characteristics such as two of purpose of the present invention provides that a kind of to have technique simple, and preparation is convenient, and is rapidly and efficiently with low cost, and production efficiency is high, and scale inhibition, scale removal, corrosion mitigating effect the are good preparation method of Compositional type anti-incrustation corrosion inhibitor.
Oil field of the present invention is to solve the technical scheme that the technical problem that exists in the known technology takes to be with the preparation method of Compositional type anti-incrustation corrosion inhibitor:
A kind of oil field preparation method of Compositional type anti-incrustation corrosion inhibitor, it is characterized in that: at first, water dissolves Sodium orthomolybdate and sodium phosphate fully, then, under agitation condition, add the AA-AMPS multipolymer, after dissolving fully, add again ATMP and HEDP, continue stirring and dissolving, add water to desired concn, obtain oil field Compositional type anti-incrustation corrosion inhibitor.
Following technical scheme can also be adopted with the preparation method of Compositional type anti-incrustation corrosion inhibitor in oil field of the present invention:
Described oil field is characterized in Compositional type anti-incrustation corrosion inhibitor and preparation method thereof: when water dissolves Sodium orthomolybdate and sodium phosphate fully, adopt 25-85 ℃ hot water.
Advantage and positively effect that the present invention has are:
The oil field owing to adopted the brand-new technical scheme of the present invention, compared with prior art, has following characteristics with Compositional type anti-incrustation corrosion inhibitor and preparation method thereof:
1, the scope of application is extensive, and pH value scope is 5.1～9.2, and temperature range is 25～85 ℃, and each component has good synergy, has good scale inhibitor effect, and slowly-releasing efficient reaches 97.56%.
2, the used inhibiter consumption of the present invention is few, and cost is low, and prescription is simple, and raw material is easy to get.
Embodiment
For further understanding summary of the invention of the present invention, Characteristic, hereby exemplify following examples and be described in detail as follows:
Present embodiment is that the simulation oil field mining liquid is to the corrosion of pipeline in experiment, and the main component that corrosion simulation liquid is joined by institute is sodium ion, magnesium ion, bicarbonate radical, calcium ion and micro-iron ion, and autoclave passes into the pH value of carbonic acid gas adjusting corrosive fluid.Adopt the static etch rate measuring method to carry out the corrosion mitigating effect evaluation.
Embodiment 1
The oil field is as follows with the quality proportioning of Compositional type anti-incrustation corrosion inhibitor each component:
The oil field is with Compositional type anti-incrustation corrosion inhibitor preparation process: at first with hot water Sodium orthomolybdate and sodium phosphate are dissolved fully, then vigorous stirring, in whipping process, add the AA-AMPS multipolymer, to adding ATMP and HEDP after the dissolving fully, continue stirring and dissolving, add water to 1000g, obtain oil field Compositional type anti-incrustation corrosion inhibitor.
Experimental temperature is 70 ℃, and inhibiting solution soaks lacing film 72h, corrosion mitigating effect such as following table:
The different adding consistency slowly-releasing of table 1 efficient
Embodiment 2
The oil field is as follows with the quality proportioning of Compositional type anti-incrustation corrosion inhibitor each component:
The oil field is with the preparation process of Compositional type anti-incrustation corrosion inhibitor, with embodiment 1.
Experimental temperature is 70 ℃, and inhibiting solution soaks lacing film 72h, corrosion mitigating effect such as following table:
The different adding consistency slowly-releasing of table 2 efficient
Embodiment 3:
The oil field is as follows with the quality proportioning of Compositional type anti-incrustation corrosion inhibitor each component:
The oil field is with the preparation process of Compositional type anti-incrustation corrosion inhibitor, with embodiment 1.
Experimental temperature is 70 ℃, and inhibiting solution soaks lacing film 72h, corrosion mitigating effect such as following table:
The different adding consistency slowly-releasing of table 3 efficient
Embodiment 4
The oil field is as follows with the quality proportioning of Compositional type anti-incrustation corrosion inhibitor each component:
The oil field is with the preparation process of Compositional type anti-incrustation corrosion inhibitor, with embodiment 1.
Experimental temperature is 70 ℃, and inhibiting solution soaks lacing film 72h, corrosion mitigating effect such as following table:
The different adding consistency slowly-releasing of table 4 efficient
Claims (4)
1. oil field Compositional type anti-incrustation corrosion inhibitor is characterized in that: the oil field with the composition of Compositional type anti-incrustation corrosion inhibitor is, the mass percent that the aqueous solution contains each component is,
2. according to oil field claimed in claim 1 Compositional type anti-incrustation corrosion inhibitor, it is characterized in that: AA-AMPS is the multipolymer of vinylformic acid-2-acrylamide-2-methylpro panesulfonic acid, and molecular formula is as follows:
3. oil field claimed in claim 1 is with the preparation method of Compositional type anti-incrustation corrosion inhibitor, it is characterized in that: at first, water dissolves Sodium orthomolybdate and sodium phosphate fully, then, under agitation condition, add the AAAMPS multipolymer, after dissolving fully, add again ATMP and HEDP, continue stirring and dissolving, add water to desired concn, obtain oil field Compositional type anti-incrustation corrosion inhibitor.
4. according to the preparation method of a kind of oil field claimed in claim 3 with the Compositional type anti-incrustation corrosion inhibitor, it is characterized in that: when water dissolves Sodium orthomolybdate and sodium phosphate fully, adopt 25-85 ℃ hot water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104457229A CN102911651A (en) | 2012-11-09 | 2012-11-09 | Oil field compound type anti-scale corrosion inhibitor and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104457229A CN102911651A (en) | 2012-11-09 | 2012-11-09 | Oil field compound type anti-scale corrosion inhibitor and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN102911651A true CN102911651A (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012104457229A Pending CN102911651A (en) | 2012-11-09 | 2012-11-09 | Oil field compound type anti-scale corrosion inhibitor and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103305851A (en) * | 2013-06-21 | 2013-09-18 | 西南石油大学 | Super-molecular compound corrosion inhibitor and preparation method thereof |
| CN104150618A (en) * | 2014-08-01 | 2014-11-19 | 无棣华信石油技术服务有限公司 | Anti-sludging agent for oil field exploration and preparation method of anti-sludging agent |
| CN104326577A (en) * | 2014-11-24 | 2015-02-04 | 邢台旭阳煤化工有限公司 | Composite corrosion/scale inhibitor for circulating cooling water treatment |
| CN105038750A (en) * | 2015-07-09 | 2015-11-11 | 陕西森瑞石油技术开发有限公司 | Controlled-release scale inhibitor in oil well fracturing seam and preparation method for controlled-release scale inhibitor |
| WO2016049735A1 (en) * | 2014-10-02 | 2016-04-07 | Fluid Energy Group Ltd. | Synthetic acid compositions and uses thereof |
| CN108517525A (en) * | 2017-11-08 | 2018-09-11 | 西安瑞杰油田物资实业开发有限公司 | A kind of scale removal corrosion inhibiter and preparation method thereof |
| CN108641695A (en) * | 2018-06-13 | 2018-10-12 | 中国石油工程建设有限公司 | A kind of shale gas field corrosion-retarding germicide |
| CN112322267A (en) * | 2020-09-28 | 2021-02-05 | 吕诗林 | Gas well shaft scale inhibitor and preparation method and use method thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103305851A (en) * | 2013-06-21 | 2013-09-18 | 西南石油大学 | Super-molecular compound corrosion inhibitor and preparation method thereof |
| CN103305851B (en) * | 2013-06-21 | 2015-11-18 | 西南石油大学 | A kind of supramolecule composite corrosion inhibitor and preparation method |
| CN104150618A (en) * | 2014-08-01 | 2014-11-19 | 无棣华信石油技术服务有限公司 | Anti-sludging agent for oil field exploration and preparation method of anti-sludging agent |
| CN104150618B (en) * | 2014-08-01 | 2016-03-30 | 无棣华信石油技术服务有限公司 | Oilfield exploitation Scale inhibitors and preparation method thereof |
| WO2016049735A1 (en) * | 2014-10-02 | 2016-04-07 | Fluid Energy Group Ltd. | Synthetic acid compositions and uses thereof |
| CN104326577B (en) * | 2014-11-24 | 2016-05-04 | 邢台旭阳煤化工有限公司 | A kind of composite slow-corrosion scale resistor for circulating cooling water treatment |
| CN104326577A (en) * | 2014-11-24 | 2015-02-04 | 邢台旭阳煤化工有限公司 | Composite corrosion/scale inhibitor for circulating cooling water treatment |
| CN105038750A (en) * | 2015-07-09 | 2015-11-11 | 陕西森瑞石油技术开发有限公司 | Controlled-release scale inhibitor in oil well fracturing seam and preparation method for controlled-release scale inhibitor |
| CN105038750B (en) * | 2015-07-09 | 2018-04-03 | 陕西森瑞石油技术开发有限公司 | Sustained release scale preventative and preparation method thereof in a kind of wellfracturing seam |
| CN108517525A (en) * | 2017-11-08 | 2018-09-11 | 西安瑞杰油田物资实业开发有限公司 | A kind of scale removal corrosion inhibiter and preparation method thereof |
| CN108641695A (en) * | 2018-06-13 | 2018-10-12 | 中国石油工程建设有限公司 | A kind of shale gas field corrosion-retarding germicide |
| CN108641695B (en) * | 2018-06-13 | 2020-07-07 | 中国石油工程建设有限公司 | Corrosion inhibition bactericide for shale gas field |
| CN112322267A (en) * | 2020-09-28 | 2021-02-05 | 吕诗林 | Gas well shaft scale inhibitor and preparation method and use method thereof |
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Application publication date: 20130206 |