CN116285923A - Scale inhibitor for oil gas exploitation and gathering process - Google Patents
Scale inhibitor for oil gas exploitation and gathering process Download PDFInfo
- Publication number
- CN116285923A CN116285923A CN202310262346.8A CN202310262346A CN116285923A CN 116285923 A CN116285923 A CN 116285923A CN 202310262346 A CN202310262346 A CN 202310262346A CN 116285923 A CN116285923 A CN 116285923A
- Authority
- CN
- China
- Prior art keywords
- scale inhibitor
- polymer
- gas exploitation
- acid
- auxiliary agent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002455 scale inhibitor Substances 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000003756 stirring Methods 0.000 claims abstract description 16
- 229920000642 polymer Polymers 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 239000002184 metal Chemical class 0.000 claims abstract description 10
- 150000003839 salts Chemical class 0.000 claims abstract description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical class [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 9
- 239000011574 phosphorus Substances 0.000 claims abstract description 9
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000013329 compounding Methods 0.000 claims abstract description 6
- 238000004806 packaging method and process Methods 0.000 claims abstract description 3
- 229910000073 phosphorus hydride Inorganic materials 0.000 claims abstract description 3
- 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 claims description 7
- 229920002126 Acrylic acid copolymer Polymers 0.000 claims description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- 229920002125 Sokalan® Polymers 0.000 claims description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical group [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- 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 description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000013530 defoamer Substances 0.000 claims description 2
- 239000004584 polyacrylic acid Substances 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- 239000004094 surface-active agent Substances 0.000 claims description 2
- 239000004215 Carbon black (E152) Substances 0.000 claims 2
- 229930195733 hydrocarbon Natural products 0.000 claims 2
- 150000002430 hydrocarbons Chemical class 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- LOGBRYZYTBQBTB-UHFFFAOYSA-N butane-1,2,4-tricarboxylic acid Chemical compound OC(=O)CCC(C(O)=O)CC(O)=O LOGBRYZYTBQBTB-UHFFFAOYSA-N 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 13
- 230000007797 corrosion Effects 0.000 abstract description 13
- 230000005764 inhibitory process Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 230000002195 synergetic effect Effects 0.000 abstract description 3
- 238000002474 experimental method Methods 0.000 abstract description 2
- 238000012216 screening Methods 0.000 abstract description 2
- 229920000141 poly(maleic anhydride) Polymers 0.000 description 5
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 5
- 229960001763 zinc sulfate Drugs 0.000 description 5
- 229910000368 zinc sulfate Inorganic materials 0.000 description 5
- 239000003112 inhibitor Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- AVKXFCZAYBOGIV-UHFFFAOYSA-N [Na].[Na].[Na].[Na].C(C(CCC(=O)O)C(=O)O)C(=O)O Chemical compound [Na].[Na].[Na].[Na].C(C(CCC(=O)O)C(=O)O)C(=O)O AVKXFCZAYBOGIV-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/52—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/54—Compositions for in situ inhibition of corrosion in boreholes or wells
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/204—Keeping clear the surface of open water from oil spills
Abstract
The invention discloses a scale inhibitor for oil gas exploitation and gathering process, which belongs to the field of oil gas exploitation and gathering process protection, and the main components of the scale inhibitor are compounded by polymer, organic phosphorus, metal salt and auxiliary agent. The compounding method specifically comprises the following steps: step one: sequentially adding water and metal salt and stirring; step two: adding a polymer and an organic phosphine; step three, adding an auxiliary agent; step four, stirring for 0.5 hour; and fifthly, packaging to obtain the product. The invention obtains a formula with good compounding performance, synergistic effect and good scale and corrosion inhibition effect through a large number of experiments and screening.
Description
Technical Field
The invention belongs to the field of protection in the process of oil gas exploitation and gathering and transportation, and particularly relates to a compounding method of a scale inhibitor for the process of oil gas exploitation and gathering and transportation.
Background
During the oil gas exploitation and gathering and transportation process, the oil gas contains a large amount of H 2 S、CO 2 The method for solving the problem is to add a scale inhibitor and a corrosion inhibitor respectively. Two different medicaments are respectively added, the process is complicated, and the labor is increased. In addition, the materials are not compatible and mutually precipitated, so that the use effect is greatly reduced and the cost is increased.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention discloses a scale inhibitor which can be used in the oil gas exploitation and gathering process, the scale inhibitor is developed and gathering in an oil field, the corrosion inhibitor has a very large variety of classification and use effects, and the invention obtains a formula with good compounding performance, synergistic effect and good scale inhibition and corrosion inhibition effects through a large number of experiments and screening.
The invention is realized in the following way:
the scale inhibitor for oil and gas exploitation and gathering process is characterized by being compounded with polymer, organic phosphorus, metal salt and auxiliary agent, and the scale inhibitor is prepared by the following steps:
and (2) polymer: 110-120 g; organic phosphorus: 12-24 g; metal salt: 60-70 g
The compounding method of the scale inhibitor specifically comprises the following steps:
step one: adding water and metal salt in sequence according to mass and stirring; step two: then adding polymer and organic phosphorus; the mass ratio of the water to the polymer to the organic phosphorus is as follows: 1: 0.5-1.5:0.5-1.5; step three, adding an auxiliary agent according to actual conditions; step four, stirring for 0.5 hour; and fifthly, packaging to obtain the product.
Further, the polymer is one or a plurality of low molecular weight water-soluble polyacrylic acid, polymaleic anhydride-acrylic acid copolymer and polyacrylic acid-acrylic ester-sulfonic acid.
Further, the organic phosphine is one or a plurality of compound use of hydroxy ethylidene diphosphonic acid, amino trimethylene phosphonic acid and 2-phosphonic butane-1, 2,4 tricarboxylic acid tetrasodium.
Further, the metal salt is zinc salt.
Further, the auxiliary agent is a solvent or a surfactant which is added according to actual needs, so that the scale inhibitor is defoamed to reach a specified flash point and a solidification point; the auxiliary agent comprises an organosilicon defoamer and low-carbon alcohol.
Compared with the prior art, the invention has the beneficial effects that:
1. the scale inhibitor and the corrosion inhibitor are combined into a whole, so that the use is very convenient, and the manpower is saved.
2. Has good synergistic effect, improves the scale assisting performance of the original scale inhibitor and the original corrosion inhibitor performance on the original basis, and has good use effect.
Detailed Description
The present invention will be described in further detail with reference to the following examples, for the purpose of making the objects, technical solutions, and effects of the present invention more apparent. In the examples, no auxiliary is added, since the auxiliary is added at the actual time of need, the amount is very small. The final scale and corrosion inhibition effect is not affected. It should be noted that the detailed description herein is for purposes of illustration only and is not intended to limit the invention.
Example 1
102.0 g of water and 18.0 g of zinc sulfate are added to a 500ml beaker and stirring is started. Then 90.0 g of polymaleic anhydride, 30.0 g of polyacrylic acid-acrylic ester-sulfonic acid, 30.0 g of hydroxyethylidene diphosphonic acid and 30.0 g of tetrasodium 2-phosphonate-1, 2, 4-tricarboxylic acid are added. Stirring for 0.5 hours, and then obtaining the product. The scale inhibition and corrosion rate were measured.
Example 2
A500 ml beaker was charged with 96.0 grams of water and 24.0 grams of zinc sulfate and stirring was started. Then 90.0 g of polymaleic anhydride, 30.0 g of polyacrylic acid-acrylic ester-sulfonic acid, 30.0 g of hydroxyethylidene diphosphonic acid and 30.0 g of tetrasodium 2-phosphonate-1, 2, 4-tricarboxylic acid are added. Stirring for 0.5 hours, and then obtaining the product. The scale inhibition and corrosion rate were measured.
Example 3
102.0 g of water and 12.0 g of zinc sulfate are added to a 500ml beaker and stirring is started. Then 90.0 g of polymaleic anhydride, 30.0 g of polyacrylic acid-acrylic ester-sulfonic acid, 30.0 g of hydroxyethylidene diphosphonic acid and 36.0 g of tetrasodium 2-phosphonate-1, 2, 4-tricarboxylic acid are added. Stirring for 0.5 hours, and then obtaining the product. The scale inhibition and corrosion rate were measured.
Example 4
A500 ml beaker was charged with 96.0 grams of water and 24.0 grams of zinc sulfate and stirring was started. Then 80.0 g of polymaleic anhydride, 40.0 g of polyacrylic acid-acrylic ester-sulfonic acid, 30.0 g of hydroxyethylidene diphosphonic acid and 30.0 g of tetrasodium 2-phosphonate-1, 2, 4-tricarboxylic acid are added. Stirring for 0.5 hours, and then obtaining the product. The scale inhibition and corrosion rate were measured.
Example 5
102.0 g of water and 18.0 g of zinc sulfate are added to a 500ml beaker and stirring is started. Then 80.0 g of polymaleic anhydride, 30.0 g of polyacrylic acid-acrylic ester-sulfonic acid, 30.0 g of hydroxyethylidene diphosphonic acid and 40.0 g of tetrasodium 2-phosphonate-1, 2, 4-tricarboxylic acid are added. Stirring for 0.5 hours, and then obtaining the product. The scale inhibition and corrosion rate were measured.
The statistics of the examples are shown in Table 1, the corrosion rate is determined by the China oil and gas stock, inc. Q/SY TZ 0178-2012, and the scale inhibition rate is determined by the China oil and gas stock, inc. Q/SY T126-2014
TABLE 1
The foregoing is merely a preferred embodiment of the invention, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the invention, which modifications would also be considered to be within the scope of the invention.
Claims (6)
1. The scale inhibitor for oil and gas exploitation and gathering process is characterized by being compounded with polymer, organic phosphorus, metal salt and auxiliary agent, and the scale inhibitor is prepared by the following steps:
and (2) polymer: 110-120 g;
organic phosphorus: 12-24 g;
metal salt: 60-70 g
The compounding method of the scale inhibitor specifically comprises the following steps:
step one: adding water and metal salt in sequence according to mass and stirring;
step two: then adding polymer and organic phosphorus; the mass ratio of the water to the polymer to the organic phosphorus is as follows: 1: 0.5-1.5:0.5-1.5;
step three, adding an auxiliary agent according to actual conditions;
step four, stirring for 0.5 hour;
and fifthly, packaging to obtain the product.
2. The scale inhibitor for oil and gas exploitation and transportation process according to claim 1, wherein the polymer is one or several of low molecular weight water-soluble polyacrylic acid, polymaleic anhydride-acrylic acid copolymer and polyacrylic acid-acrylic ester-sulfonic acid.
3. The scale inhibitor for oil and gas exploitation and transportation process according to claim 1, wherein the organic phosphine is one or several of hydroxyethylidene diphosphonic acid, aminotrimethylene phosphonic acid and tetra sodium 2-phosphonate butane-1, 2,4 tricarboxylic acid.
4. The scale inhibitor for use in hydrocarbon production and gathering processes as recited in claim 1, wherein said metal salt is a zinc salt.
5. A scale inhibitor for use in hydrocarbon production and gathering processes as claimed in claim 1 wherein the water is 96 to 102 grams in mass.
6. The scale inhibitor for oil and gas exploitation and transportation process according to claim 1, wherein the auxiliary agent is a solvent or a surfactant which is added according to actual needs, so that the scale inhibitor is defoamed to reach a specified flash point and a set point; the auxiliary agent comprises an organosilicon defoamer and low-carbon alcohol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310262346.8A CN116285923A (en) | 2023-03-17 | 2023-03-17 | Scale inhibitor for oil gas exploitation and gathering process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310262346.8A CN116285923A (en) | 2023-03-17 | 2023-03-17 | Scale inhibitor for oil gas exploitation and gathering process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116285923A true CN116285923A (en) | 2023-06-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310262346.8A Pending CN116285923A (en) | 2023-03-17 | 2023-03-17 | Scale inhibitor for oil gas exploitation and gathering process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116285923A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103723843A (en) * | 2013-12-13 | 2014-04-16 | 中国石油天然气股份有限公司 | Novel corrosion and scale inhibitor and preparation method thereof |
| CN104402127A (en) * | 2014-12-02 | 2015-03-11 | 天津开广工业水处理有限公司 | Special corrosion and scale inhibitor for oil field |
| CN107285491A (en) * | 2017-07-27 | 2017-10-24 | 卢永杰 | Scale inhibitor sterilization composite water disposal agent and preparation method thereof |
| CN111732210A (en) * | 2020-07-30 | 2020-10-02 | 北京首钢股份有限公司 | Composite corrosion and scale inhibitor and application thereof |
| CN113307385A (en) * | 2021-05-26 | 2021-08-27 | 西安宏海环保科技有限公司 | Environment-friendly low-phosphorus composite scale inhibitor suitable for coexistence working condition of calcium carbonate, calcium sulfate and barium sulfate and preparation method and application thereof |
| CN113526687A (en) * | 2021-07-16 | 2021-10-22 | 西安热工研究院有限公司 | Corrosion and scale inhibitor and preparation method thereof |
| CN114086183A (en) * | 2021-11-23 | 2022-02-25 | 天津新翔油气技术有限公司 | Corrosion and scale inhibitor for oil and gas gathering and transportation and preparation method thereof |
-
2023
- 2023-03-17 CN CN202310262346.8A patent/CN116285923A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103723843A (en) * | 2013-12-13 | 2014-04-16 | 中国石油天然气股份有限公司 | Novel corrosion and scale inhibitor and preparation method thereof |
| CN104402127A (en) * | 2014-12-02 | 2015-03-11 | 天津开广工业水处理有限公司 | Special corrosion and scale inhibitor for oil field |
| CN107285491A (en) * | 2017-07-27 | 2017-10-24 | 卢永杰 | Scale inhibitor sterilization composite water disposal agent and preparation method thereof |
| CN111732210A (en) * | 2020-07-30 | 2020-10-02 | 北京首钢股份有限公司 | Composite corrosion and scale inhibitor and application thereof |
| CN113307385A (en) * | 2021-05-26 | 2021-08-27 | 西安宏海环保科技有限公司 | Environment-friendly low-phosphorus composite scale inhibitor suitable for coexistence working condition of calcium carbonate, calcium sulfate and barium sulfate and preparation method and application thereof |
| CN113526687A (en) * | 2021-07-16 | 2021-10-22 | 西安热工研究院有限公司 | Corrosion and scale inhibitor and preparation method thereof |
| CN114086183A (en) * | 2021-11-23 | 2022-02-25 | 天津新翔油气技术有限公司 | Corrosion and scale inhibitor for oil and gas gathering and transportation and preparation method thereof |
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