CN106467729A - A kind of acid blockage removing agent for oil well - Google Patents
A kind of acid blockage removing agent for oil well Download PDFInfo
- Publication number
- CN106467729A CN106467729A CN201510504826.6A CN201510504826A CN106467729A CN 106467729 A CN106467729 A CN 106467729A CN 201510504826 A CN201510504826 A CN 201510504826A CN 106467729 A CN106467729 A CN 106467729A
- Authority
- CN
- China
- Prior art keywords
- parts
- acid
- oil well
- removing agent
- blockage removing
- 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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Classifications
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- 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
Abstract
The present invention relates to de-plugging agent technical field, particularly a kind of acid blockage removing agent for oil well, include following components according to mass fraction meter：Hydrochloric acid 10-15 part, kieselguhr 2.5-4.2 part, bentonite 3-9 part, clay stabilizer 4-13 part, nano silicon 12-18 part, acetic acid 20-35 part, nitric acid 2.1-3.6 part, glass fibre 25-40 part, methyl methacrylate 8-15 part, polyoxyethylated alkyl alcohol 5-10 part.After above-mentioned formula, the acid blockage removing agent for oil well of the present invention, there are good anti-corrosion effects, can either de-plugging oil well can be carried out again；In addition, the composition low cost of the present invention, environmentally safe, easy to utilize.
Description
Technical field
The present invention relates to de-plugging agent technical field, particularly a kind of acid blockage removing agent for oil well.
Background technology
Oil recovery industry is a complicated system engineering, keep oil-water well unimpeded be petroleum production engineering center ring
Section.In drilling well, formation testing, well workover and oil recovery process, drilling fluid, well killing fluid, injection water and polymer etc.
Fracturing fluid all can damage to bottom, cause oil gas extraction channel blockage, lead to the oil well underproduction or stopping production,
Well is shorted.
Content of the invention
The technical problem to be solved in the invention is to provide a kind of acid blockage removing agent for oil well.
For solving above-mentioned technical problem, a kind of acid blockage removing agent for oil well of the present invention, according to mass fraction meter
Including following components：Hydrochloric acid 10-15 part, kieselguhr 2.5-4.2 part, bentonite 3-9 part, clay stabilization
Agent 4-13 part, nano silicon 12-18 part, acetic acid 20-35 part, nitric acid 2.1-3.6 part, glass fibers
Dimension 25-40 part, methyl methacrylate 8-15 part, polyoxyethylated alkyl alcohol 5-10 part.
Further, include following components according to mass fraction meter：10 parts of hydrochloric acid, 2.5 parts of kieselguhr, swollen
3 parts of profit soil, 4 parts of clay stabilizer, 12 parts of nano silicon, 20 parts of acetic acid, 2.1 parts of nitric acid,
25 parts of glass fibre, 8 parts of methyl methacrylate, 5 parts of polyoxyethylated alkyl alcohol.
Further, include following components according to mass fraction meter：15 parts of hydrochloric acid, 4.2 parts of kieselguhr, swollen
9 parts of profit soil, 13 parts of clay stabilizer, 18 parts of nano silicon, 35 parts of acetic acid, 3.6 parts of nitric acid,
40 parts of glass fibre, 15 parts of methyl methacrylate, 10 parts of polyoxyethylated alkyl alcohol.
Further, include following components according to mass fraction meter：12 parts of hydrochloric acid, 3.2 parts of kieselguhr, swollen
5 parts of profit soil, 6 parts of clay stabilizer, 13 parts of nano silicon, 25 parts of acetic acid, 2.6 parts of nitric acid,
30 parts of glass fibre, 9 parts of methyl methacrylate, 6 parts of polyoxyethylated alkyl alcohol.
Further, include following components according to mass fraction meter：13 parts of hydrochloric acid, 3.8 parts of kieselguhr, swollen
8 parts of profit soil, 12 parts of clay stabilizer, 16 parts of nano silicon, 30 parts of acetic acid, 3.2 parts of nitric acid,
35 parts of glass fibre, 12 parts of methyl methacrylate, 9 parts of polyoxyethylated alkyl alcohol.
After above-mentioned formula, the acid blockage removing agent for oil well of the present invention, there are good anti-corrosion effects, both
De-plugging oil well can be carried out again；In addition, the composition low cost of the present invention, environmentally safe,
Easy to utilize.
Specific embodiment
A kind of acid blockage removing agent for oil well of the present invention, includes following components according to mass fraction meter：Hydrochloric acid 10-15
Part, kieselguhr 2.5-4.2 part, bentonite 3-9 part, clay stabilizer 4-13 part, nano silicon 12-18
Part, acetic acid 20-35 part, nitric acid 2.1-3.6 part, glass fibre 25-40 part, methyl methacrylate 8-15
Part, polyoxyethylated alkyl alcohol 5-10 part.
Embodiment one：
Include following components according to mass fraction meter：10 parts of hydrochloric acid, 2.5 parts of kieselguhr, 3 parts of bentonite,
4 parts of clay stabilizer, 12 parts of nano silicon, 20 parts of acetic acid, 2.1 parts of nitric acid, glass fibre 25
Part, 8 parts of methyl methacrylate, 5 parts of polyoxyethylated alkyl alcohol.
Embodiment two：
Include following components according to mass fraction meter：15 parts of hydrochloric acid, 4.2 parts of kieselguhr, 9 parts of bentonite,
13 parts of clay stabilizer, 18 parts of nano silicon, 35 parts of acetic acid, 3.6 parts of nitric acid, glass fibre 40
Part, 15 parts of methyl methacrylate, 10 parts of polyoxyethylated alkyl alcohol.
Embodiment three：
Include following components according to mass fraction meter：12 parts of hydrochloric acid, 3.2 parts of kieselguhr, 5 parts of bentonite,
6 parts of clay stabilizer, 13 parts of nano silicon, 25 parts of acetic acid, 2.6 parts of nitric acid, glass fibre 30
Part, 9 parts of methyl methacrylate, 6 parts of polyoxyethylated alkyl alcohol.
Embodiment four：
Include following components according to mass fraction meter：13 parts of hydrochloric acid, 3.8 parts of kieselguhr, 8 parts of bentonite,
12 parts of clay stabilizer, 16 parts of nano silicon, 30 parts of acetic acid, 3.2 parts of nitric acid, glass fibre 35
Part, 12 parts of methyl methacrylate, 9 parts of polyoxyethylated alkyl alcohol.
Although the foregoing describing the specific embodiment of the present invention, those skilled in the art should manage
Solution, these are merely illustrative of, and can make various changes or modifications to present embodiment, without departing from send out
Bright principle and essence, protection scope of the present invention is only limited by the claims that follow.
Claims (5)
1. a kind of acid blockage removing agent for oil well is it is characterised in that include following components according to mass fraction meter：Hydrochloric acid
10-15 part, kieselguhr 2.5-4.2 part, bentonite 3-9 part, clay stabilizer 4-13 part, nano-silica
SiClx 12-18 part, acetic acid 20-35 part, nitric acid 2.1-3.6 part, glass fibre 25-40 part, methyl-prop
E pioic acid methyl ester 8-15 part, polyoxyethylated alkyl alcohol 5-10 part.
2. according to a kind of acid blockage removing agent for oil well described in claim 1 it is characterised in that according to mass fraction
Meter includes following components：10 parts of hydrochloric acid, 2.5 parts of kieselguhr, 3 parts of bentonite, 4 parts of clay stabilizer,
12 parts of nano silicon, 20 parts of acetic acid, 2.1 parts of nitric acid, 25 parts of glass fibre, methyl methacrylate
8 parts of ester, 5 parts of polyoxyethylated alkyl alcohol.
3. according to a kind of acid blockage removing agent for oil well described in claim 1 it is characterised in that according to mass fraction
Meter includes following components：15 parts of hydrochloric acid, 4.2 parts of kieselguhr, 9 parts of bentonite, 13 parts of clay stabilizer,
18 parts of nano silicon, 35 parts of acetic acid, 3.6 parts of nitric acid, 40 parts of glass fibre, methyl methacrylate
15 parts of ester, 10 parts of polyoxyethylated alkyl alcohol.
4. according to a kind of acid blockage removing agent for oil well described in claim 1 it is characterised in that according to mass fraction
Meter includes following components：12 parts of hydrochloric acid, 3.2 parts of kieselguhr, 5 parts of bentonite, 6 parts of clay stabilizer,
13 parts of nano silicon, 25 parts of acetic acid, 2.6 parts of nitric acid, 30 parts of glass fibre, methyl methacrylate
9 parts of ester, 6 parts of polyoxyethylated alkyl alcohol.
5. according to a kind of acid blockage removing agent for oil well described in claim 1 it is characterised in that according to mass fraction
Meter includes following components：13 parts of hydrochloric acid, 3.8 parts of kieselguhr, 8 parts of bentonite, 12 parts of clay stabilizer,
16 parts of nano silicon, 30 parts of acetic acid, 3.2 parts of nitric acid, 35 parts of glass fibre, methyl methacrylate
12 parts of ester, 9 parts of polyoxyethylated alkyl alcohol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510504826.6A CN106467729A (en) | 2015-08-17 | 2015-08-17 | A kind of acid blockage removing agent for oil well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510504826.6A CN106467729A (en) | 2015-08-17 | 2015-08-17 | A kind of acid blockage removing agent for oil well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106467729A true CN106467729A (en) | 2017-03-01 |
Family
ID=58213917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510504826.6A Pending CN106467729A (en) | 2015-08-17 | 2015-08-17 | A kind of acid blockage removing agent for oil well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106467729A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112961661A (en) * | 2021-03-19 | 2021-06-15 | 大庆油田有限责任公司 | Nano acid for acidification and blockage removal of low-permeability reservoir |
-
2015
- 2015-08-17 CN CN201510504826.6A patent/CN106467729A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112961661A (en) * | 2021-03-19 | 2021-06-15 | 大庆油田有限责任公司 | Nano acid for acidification and blockage removal of low-permeability reservoir |
| CN112961661B (en) * | 2021-03-19 | 2022-10-18 | 大庆油田有限责任公司 | Nano acid for acidification and blockage removal of low-permeability reservoir |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170301 |