CN100572493C - A kind of oil well blockage removing pipe free agent and preparation method thereof - Google Patents
A kind of oil well blockage removing pipe free agent and preparation method thereof Download PDFInfo
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- CN100572493C CN100572493C CNB2008101174861A CN200810117486A CN100572493C CN 100572493 C CN100572493 C CN 100572493C CN B2008101174861 A CNB2008101174861 A CN B2008101174861A CN 200810117486 A CN200810117486 A CN 200810117486A CN 100572493 C CN100572493 C CN 100572493C
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- oil well
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- removing pipe
- polyoxyethylene nonylphenol
- nonylphenol ether
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Abstract
Oil well blockage removing pipe free agent is applied to oilfield and removes the card well accident that causes because of dirt deposition.Feature is: each components by weight is: a, polyoxyethylene nonylphenol ether NPD-100:5.5～8%; B, polyoxyethylene nonylphenol ether NPD-200:10～15%; C, hydrochloric acid: 2.0～3.5%; D, methyl alcohol: 20～25%; E, INTECHEM-02 fluorocarbon surfactant: 0.05～0.2%; F, all the other are water.Effect is: under the big discharge capacity of the blockage removing pipe free agent aqueous solution of application 0.5%～1% oil well is washed, remove the card well accident that causes because of dirt deposition, prolong pump detection period, reduce oil well inspection pump expense, reduced cost for oil production.
Description
Technical field
The present invention relates to the oilfield chemical technology field, particularly a kind of oil well blockage removing pipe free agent is applied to remove the card well accident that causes because of dirt deposition, reduces oil well inspection pump expense.
Background technology
Behind the high water-cut stage, the fouling of part oil well is serious in the oil field enters, and makes fouling obtain alleviation though add Scale inhibitors in oil well, and when taking place to have a power failure, a part of scale deposition often causes card well accident to oil well pump.Cause the oil well of card well accident could recover the normal production of recovering the oil by the inspection pump.Cause very big inconvenience to production management.
Summary of the invention
The objective of the invention is: a kind of oil well blockage removing pipe free agent and preparation method thereof is provided, utilizes 0.5%～1% the oil well blockage removing pipe free agent aqueous solution under big discharge capacity, oil well being washed, remove the card well accident that causes because of scale deposition, reduce oil well inspection pump expense.
The technical scheme that the present invention is taked for its technical problem of solution is: oil well blockage removing pipe free agent
One, each component of oil well blockage removing pipe free agent comprises:
1, polyoxyethylene nonylphenol ether NPD-100 (industrial goods); (Huang Hongzhou edits Chinese tensio-active agent overview one book, the 347th page of Chemical Industry Press); Production unit: Liaoning Austria digests and learns company limited
2, polyoxyethylene nonylphenol ether NPD-200 (industrial goods); (Huang Hongzhou edits Chinese tensio-active agent overview one book, the 347th page of Chemical Industry Press); Production unit: Liaoning Austria digests and learns company limited
3, hydrochloric acid (industrial goods)
4, methyl alcohol
5, the INTECHEM-02 fluorocarbon surfactant (is called for short: FC-2) (industrial goods), production unit: Yingzheng Scirnce and Technology Co., Ltd., Shanghai; Network address:
Www.intechem.com
6, water.
Each components by weight of oil well blockage removing pipe free agent is:
1, polyoxyethylene nonylphenol ether NPD-100 (industrial goods): 5.5～8%;
2, polyoxyethylene nonylphenol ether NPD-200 (industrial goods); 10～15%;
3, hydrochloric acid (industrial goods): 2.0～3.5%
4, methyl alcohol: 20～25%;
5, INTECHEM-02 fluorocarbon surfactant (industrial goods): 0.05～0.2%;
6, all the other are water, and each component weight percentage sum is 100%.
Each component of oil well blockage removing pipe free agent weight ratio preferably is:
1, polyoxyethylene nonylphenol ether NPD-100 (industrial goods): 6.5～8%;
2, polyoxyethylene nonylphenol ether NPD-200 (industrial goods); 13～15%;
3, hydrochloric acid (industrial goods): 2.0～3.5%
4, methyl alcohol: 20～25%;
5, INTECHEM-02 fluorocarbon surfactant (industrial goods): 0.05～0.2%;
6, all the other are water, and each component weight percentage sum is 100%.
Two, the preparation method of oil well blockage removing pipe free agent
Major equipment:
Normal pressure enamel reaction still with stirring, heating, cooling and vacuum system.
Production method:
At first, five kinds of raw materials such as polyoxyethylene nonylphenol ether NPD-100, polyoxyethylene nonylphenol ether NPD-200, hydrochloric acid, methyl alcohol, INTECHEM-02 fluorocarbon surfactant are added the normal pressure enamel reaction still in proportion.Slowly be warmed up to 50～66 ℃.
Secondly, after constantly stirring 30 minutes, stop heating.Stir while cooling off, be cooled to normal temperature.
At last, add entry in proportion, stir while adding, stir discharging after 20 minutes, obtain oil well blockage removing pipe free agent.
The invention has the beneficial effects as follows: under the big discharge capacity of the blockage removing pipe free agent aqueous solution of application 0.5%～1% oil well is washed, remove the card well accident that causes because of dirt deposition, reduce oil well inspection pump expense.
Embodiment
Embodiment 1: each components by weight of oil well blockage removing pipe free agent is:
1, polyoxyethylene nonylphenol ether NPD-100 (industrial goods): 7%;
2, polyoxyethylene nonylphenol ether NPD-200 (industrial goods); 13%;
3, hydrochloric acid (industrial goods): 3.1%
4, methyl alcohol: 22.5%;
5, INTECHEM-02 fluorocarbon surfactant (industrial goods): 0.12%;
6, all the other are water, and each component weight percentage sum is 100%.
The preparation process of oil well blockage removing pipe free agent:
At first, five kinds of raw materials such as polyoxyethylene nonylphenol ether NPD-100, polyoxyethylene nonylphenol ether NPD-200, hydrochloric acid, methyl alcohol, INTECHEM-02 fluorocarbon surfactant are added the normal pressure enamel reaction still in proportion.Slowly be warmed up to 50-66 ℃.
Secondly, after constantly stirring 30 minutes, stop heating.Stir while cooling off, be cooled to normal temperature.
At last, add entry in proportion, stir while adding, stir discharging after 20 minutes, obtain oil well blockage removing pipe free agent.
Each weight percentages of components of embodiment 2～5 oil well blockage removing pipe free agents is:
| The component title | Example 2 | Example 3 | Example 4 | Example 5 |
| Polyoxyethylene nonylphenol ether NPD-100 | 6.2 | 7.1 | 7.5 | 8 |
| Polyoxyethylene nonylphenol ether NPD-200 | 13 | 13.5 | 12 | 14.8 |
| Hydrochloric acid | 2.3 | 3.5 | 2.8 | 3.4 |
| Methyl alcohol | 22 | 21 | 24 | 24.6 |
| The INTECHEM-02 fluorocarbon surfactant | 0.08 | 0.12 | 0.2 | 0.14 |
| Water | All the other | All the other | All the other | All the other |
Embodiment 2～5 oil well blockage removing pipe free agents, each component weight percentage sum is 100%, preparation process is identical with embodiment 1.
Utilize the oil well of the present invention surplus 30 mouthful on probation, remove the card well accident that causes because of scale deposition, prolong pump detection period, reduced cost for oil production.
Claims (3)
1, a kind of oil well blockage removing pipe free agent is characterized in that each components by weight is:
A, polyoxyethylene nonylphenol ether NPD-100:5.5～8%;
B, polyoxyethylene nonylphenol ether NPD-200:10～15%;
C, hydrochloric acid: 2.0～3.5%;
D, methyl alcohol: 20～25%;
E, INTECHEM-02 fluorocarbon surfactant: 0.05～0.2%;
F, all the other are water, and each component weight percentage sum is 100%.
2, oil well blockage removing pipe free agent according to claim 1 is characterized in that: each components by weight is:
A, polyoxyethylene nonylphenol ether NPD-100:6.5～8%;
B, polyoxyethylene nonylphenol ether NPD-200:13～15%;
C, hydrochloric acid: 2.0～3.5%;
D, methyl alcohol: 20～25%;
E, INTECHEM-02 fluorocarbon surfactant: 0.05～0.2%;
F, all the other are water, and each component weight percentage sum is 100%.
3, oil well blockage removing pipe free agent according to claim 1 and 2, its preparation method feature is:
At first, polyoxyethylene nonylphenol ether NPD-100, polyoxyethylene nonylphenol ether NPD-200, hydrochloric acid, methyl alcohol, five kinds of raw materials of INTECHEM-02 fluorocarbon surfactant are added the normal pressure enamel reaction still in proportion, slowly be warmed up to 50～66 ℃;
Secondly, after constantly stirring 30 minutes, stop heating, stir, be cooled to normal temperature while cooling off;
At last, add entry in proportion, stir while adding, stir discharging after 20 minutes, obtain oil well blockage removing pipe free agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008101174861A CN100572493C (en) | 2008-07-31 | 2008-07-31 | A kind of oil well blockage removing pipe free agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008101174861A CN100572493C (en) | 2008-07-31 | 2008-07-31 | A kind of oil well blockage removing pipe free agent and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101328402A CN101328402A (en) | 2008-12-24 |
| CN100572493C true CN100572493C (en) | 2009-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2008101174861A Active CN100572493C (en) | 2008-07-31 | 2008-07-31 | A kind of oil well blockage removing pipe free agent and preparation method thereof |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101597488B (en) * | 2009-06-26 | 2012-03-07 | 中国石油天然气股份有限公司 | Treating fluid for high solid phase drilling fluid filter cake removal |
| CN101638574B (en) * | 2009-08-25 | 2012-07-04 | 谢军 | Acid-in-oil stuck freeing fluid and production method and use method thereof |
| CN102020980B (en) * | 2009-09-16 | 2013-05-01 | 中国海洋石油总公司 | Composition used for preventing formation water lock and application thereof |
| CN108977185B (en) * | 2017-06-02 | 2021-06-01 | 中国石油天然气集团公司 | Cleaning fluid for removing pulverized coal, and preparation method and application thereof |
| CN108929666B (en) * | 2018-06-25 | 2020-11-03 | 西南石油大学 | Efficient blocking remover for sulfur-containing gas well |
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2008
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| Publication number | Publication date |
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| CN101328402A (en) | 2008-12-24 |
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