CN104046344B - Oil-field flooding shake gels plugging agent - Google Patents
Oil-field flooding shake gels plugging agent Download PDFInfo
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- CN104046344B CN104046344B CN201310078645.2A CN201310078645A CN104046344B CN 104046344 B CN104046344 B CN 104046344B CN 201310078645 A CN201310078645 A CN 201310078645A CN 104046344 B CN104046344 B CN 104046344B
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- heterocycle
- reaction
- crosslinking agent
- resinae
- oil
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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
- C09K8/50—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
- C09K8/504—Compositions based on water or polar solvents
- C09K8/506—Compositions based on water or polar solvents containing organic compounds
- C09K8/508—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
- C09K8/512—Compositions based on water or polar solvents containing organic compounds macromolecular compounds containing cross-linking agents
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- General Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Liquid Carbonaceous Fuels (AREA)
- Fats And Perfumes (AREA)
- Pyrrole Compounds (AREA)
- Hydrogenated Pyridines (AREA)
Abstract
A kind of oil-field flooding shake gels plugging agent, it is characterized in that in the aqueous solution of the polyacrylamide of mass content 0.15% 0.3%, add and the heterocycle resinae crosslinking agent of its mass ratio 0.15% 0.3%, 0.3% 0.4% organic chrome cross linker, 0.1% 0.15% hexa-thiocarbamide stabilizer.The present invention is in oil-field flooding profile control, due to being the organic chrome cross linker that lower-cost heterocycle resinae crosslinking agent and nonhazardous are added in the aqueous solution of polyacrylamide, thus improve the economic benefit and Environmental Protection Level of large-scale application.
Description
Technical field：The present invention relates to a kind of oil extraction in oil field chemical products, particularly for one kind oil of Profile Control in Injection Well
Field water filling shake gels plugging agent.
Background technology：Before the present invention, each oil field is used for the polyacrylamide plugging agent of water injectivity profile modification, more using relatively costly
Chromium metal system or the stronger phenolic aldehyde cross-linking system of toxic, thus have impact on the economic benefit or environment-protective water of large-scale application
It is flat.
The content of the invention：The purpose of the present invention is：For oil-field flooding profile control provides a kind of oil-field flooding shake gels plugging agent,
Because the product is addition heterocycle resinae crosslinking agent and organic chrominum cross-linkage of nonhazardous in the aqueous solution of polyacrylamide
Agent, thus improve the economic benefit and Environmental Protection Level of large-scale application.
The purpose of the present invention is realized by following measures：A kind of oil-field flooding shake gels plugging agent, including it is poly-
Acrylamide, heterocycle resinae crosslinking agent, organic chrome cross linker, hexa-thiocarbamide stabilizer, it is characterized in that in matter
Measure in the aqueous solution of content 0.15%-0.3% polyacrylamides, add and be crosslinked with the heterocycle resinae of its mass ratio 0.15%-0.3%
Agent, the organic chrome cross linker of 0.3%-0.4%, the hexa-thiocarbamide stabilizer of 0.1%-0.15%；Wherein heterocycle resin
Class crosslinking agent is by mol ratio 1:1 phenol and furans ring system derivative and the NaOH with its mass ratio 10%, 17% second
Alcohol is constituted.
The present invention in oil-field flooding profile control, due to be added in the aqueous solution of polyacrylamide it is lower-cost miscellaneous
Ring resinae crosslinking agent and the organic chrome cross linker of nonhazardous, thus improve the economic benefit and environment-protective water of large-scale application
It is flat.
Specific embodiment：Oil-field flooding shake gels plugging agent, is in mass content 0.15%-0.3% polyacrylamides
The aqueous solution in, add and heterocycle resinae crosslinking agent, organic chrominum cross-linkage of 0.3%-0.4% of its mass ratio 0.15%-0.3%
Agent, the hexa-thiocarbamide stabilizer of 0.1%-0.15%；Wherein heterocycle resinae crosslinking agent is by mol ratio 1:1 benzene
What phenol and furans ring system derivative and the NaOH with its mass ratio 10%, 17% ethanol were constituted.
Specific embodiment is：
1st, the preparation of heterocycle resinae crosslinking agent：
1.1 take the desired amount of phenol and furans ring system derivative (pure material mol ratio 1:1), then by the mass ratio of this total amount
10% take NaOH, to take ethanol by 17% standby；
Taken phenol is poured into reactor by 1.2 to be passed through steam and is heated up to 50 DEG C, is added after liquid is melt into and is taken hydrogen-oxygen
Change 70% amount of sodium, keep 50 DEG C of temperature of reaction kettle, stirring reaction 20 minutes；
80% amount of taken furans ring system derivative is added the reactor by 1.3, keeps 50 DEG C of temperature of reaction kettle, stirring anti-
Answer 50 minutes；
Remaining 30% amount of taken NaOH is added the reactor, stirring reaction 20 minutes by 1.4；
Remaining 20% amount of taken furans ring system derivative is added the reactor by 1.5, is kept 50 DEG C of temperature of reaction kettle, is stirred
Mix reaction 3 hours；
Taken ethanol whole amount is added the reactor by 1.6, obtain bright brownish red, be fully soluble in the solution of water into
Product.
2nd, the extemporaneous preparation of oil-field flooding shake gels plugging agent：
2.1 aqueous solution for preparing curing mass content 0.15%-0.3% polyacrylamides in the desired amount；
The 2.2 heterocycle resins made by its mass ratio addition of the polyacrylamide solution after curing 0.15%-0.3%
Class crosslinking agent, the organic chrome cross linker of 0.3%-0.4%, the hexa-thiocarbamide stabilizer of 0.1%-0.15%；
It is sufficiently stirred for after 2.3 cooperations, polyacrylamide is condensed with the hydroxymethylphenol of organic chrome cross linker
Reaction（Reaction equation one）Condensation reaction is carried out with heterocycle resinae crosslinking agent（Reaction equation two）；
Reaction equation one：
Reaction equation two：
2.4 question responses complete to be directly injected into underground, and closing well 5 days.
Claims (1)
1. a kind of oil-field flooding shake gels plugging agent, including polyacrylamide, heterocycle resinae crosslinking agent, organic chrominum cross-linkage
Agent, hexa-thiocarbamide stabilizer, it is characterized in that：In the aqueous solution of mass content 0.15%-0.3% polyacrylamides
In, add with the heterocycle resinae crosslinking agent of its mass ratio 0.15%-0.3%, the organic chrome cross linker of 0.3%-0.4%,
The hexa of 0.1%-0.15%-thiocarbamide stabilizer；Wherein heterocycle resinae crosslinking agent is by mol ratio 1:1 benzene
Phenol and furans ring system derivative and the NaOH with its mass ratio 10%, 17% ethanol are constituted；Wherein, the oil-field flooding
Shake gels plugging agent is prepared by the following procedure method and prepares：
Step 1, the preparation of heterocycle resinae crosslinking agent：
Step 1.1 takes the desired amount of phenol and furans ring system derivative (pure material mol ratio 1:1), then by the mass ratio of this total amount
10% take NaOH, to take ethanol by 17% standby；
Taken phenol is poured into reactor and is passed through steam and is heated up to 50 DEG C by step 1.2, is added after liquid is melt into and is taken hydrogen-oxygen
Change 70% amount of sodium, keep 50 DEG C of temperature of reaction kettle, stirring reaction 20 minutes；
80% amount of taken furans ring system derivative is added the reactor by step 1.3, keeps 50 DEG C of temperature of reaction kettle, stirring anti-
Answer 50 minutes；
Remaining 30% amount of taken NaOH is added the reactor, stirring reaction 20 minutes by step 1.4；
Remaining 20% amount of taken furans ring system derivative is added the reactor by step 1.5, is kept 50 DEG C of temperature of reaction kettle, is stirred
Mix reaction 3 hours；
Taken ethanol whole amount is added the reactor by step 1.6, obtain bright brownish red, be fully soluble in the solution of water into
Product.
Step 2, the extemporaneous preparation of oil-field flooding shake gels plugging agent：
Step 2.1 prepares the aqueous solution of curing mass content 0.15%-0.3% polyacrylamides in the desired amount；
The heterocycle tree that step 2.2 has been made by its mass ratio addition of the polyacrylamide solution after curing 0.15%-0.3%
Lipid crosslinking agent, the organic chrome cross linker of 0.3%-0.4%, the hexa-thiocarbamide stabilizer of 0.1%-0.15%；
Step 2.3 is sufficiently stirred for after coordinating, and polyacrylamide is condensed with the hydroxymethylphenol of organic chrome cross linker
Reaction, such as reaction equation one and heterocycle resinae crosslinking agent carries out condensation reaction, such as reaction equation two；
Step 2.4 question response completes to be directly injected into underground, and closing well 5 days；
Reaction equation one：
Reaction equation two：
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310078645.2A CN104046344B (en) | 2013-03-13 | 2013-03-13 | Oil-field flooding shake gels plugging agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310078645.2A CN104046344B (en) | 2013-03-13 | 2013-03-13 | Oil-field flooding shake gels plugging agent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104046344A CN104046344A (en) | 2014-09-17 |
| CN104046344B true CN104046344B (en) | 2017-06-06 |
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ID=51499752
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310078645.2A Active CN104046344B (en) | 2013-03-13 | 2013-03-13 | Oil-field flooding shake gels plugging agent |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104962262A (en) * | 2015-05-22 | 2015-10-07 | 中国石油化工股份有限公司 | Preparation method of novel high-strength plugging agent |
| CN115746808B (en) * | 2021-09-06 | 2024-04-30 | 中国石油天然气股份有限公司 | Plugging agent and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4915170A (en) * | 1989-03-10 | 1990-04-10 | Mobil Oil Corporation | Enhanced oil recovery method using crosslinked polymeric gels for profile control |
| US5259453A (en) * | 1992-06-25 | 1993-11-09 | Phillips Petroleum Company | Blocking water coning in oil and gas producing reservoirs |
| CN102453473A (en) * | 2010-10-22 | 2012-05-16 | 中国石油化工股份有限公司 | Organogel blocking agent for water blocking and profile control, and preparation method and application thereof |
-
2013
- 2013-03-13 CN CN201310078645.2A patent/CN104046344B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4915170A (en) * | 1989-03-10 | 1990-04-10 | Mobil Oil Corporation | Enhanced oil recovery method using crosslinked polymeric gels for profile control |
| US5259453A (en) * | 1992-06-25 | 1993-11-09 | Phillips Petroleum Company | Blocking water coning in oil and gas producing reservoirs |
| CN102453473A (en) * | 2010-10-22 | 2012-05-16 | 中国石油化工股份有限公司 | Organogel blocking agent for water blocking and profile control, and preparation method and application thereof |
Non-Patent Citations (3)
| Title |
|---|
| 尕斯库勒油田N1- N2调剖堵剂配方选择;卢冲等;《内蒙古石油化工》;20121231(第14 期);155-156 * |
| 水溶性树脂交联剂的合成;陈学东;《科技论坛》;20111231(第25期);5-6 * |
| 特种凝胶ZND成胶强度影响因素研究;潘丽娟等;《西安石油大学学报(自然科学版)》;20100531;第25卷(第03期);69-71 * |
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| CN104046344A (en) | 2014-09-17 |
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