CN102226079A - Liquid anti-swelling oil displacement agent for water injection wells, production method and application method thereof - Google Patents
Liquid anti-swelling oil displacement agent for water injection wells, production method and application method thereof Download PDFInfo
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- CN102226079A CN102226079A CN2011101111065A CN201110111106A CN102226079A CN 102226079 A CN102226079 A CN 102226079A CN 2011101111065 A CN2011101111065 A CN 2011101111065A CN 201110111106 A CN201110111106 A CN 201110111106A CN 102226079 A CN102226079 A CN 102226079A
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- water injection
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Abstract
The invention belongs to the technical field of water injection well anti-swelling oil displacement agent used for petroleum mining and relates to a liquid anti-swelling oil displacement agent for water injection wells, a production method and an application method thereof. The liquid anti-swelling oil displacement agent for water injection wells comprises the following raw materials of: an ammonium salt mixture, potassium chloride, an anti-phase de-emulsifier diallyldimethyl ammonium chloride, polyamine ethoxylate M500 and water. The production method comprises the following steps of: firstly heating the required amount of water to the temperature of 30-120 DEG C; secondly adding the required amount of the ammonium salt mixture, potassium chloride, the anti-phase de-emulsifier diallyldimethyl ammonium chloride and polyamine ethoxylate M500 with stirring; and isothermally stirring for 1-6 hours to obtain the liquid anti-swelling oil displacement agent for water injection wells. The liquid anti-swelling oil displacement agent for water injection wells is convenient to use, has more obviously excellent performance than present conventional anti-swelling agents, and has good adaptability to oilfield water, especially to reinjection water; and the water flooding effect can be improved, thus meeting the requirements of the oil field development.
Description
Technical field
The present invention relates to be used for the anti-swollen technology of reservoir sweep field of water injection well of oil production, is a kind of water injection well liquid anti-swelling oil displacement agent and production method and using method.
Background technology
The expansion-resisting agent that uses on the oil field has quaternary ammonium salts at present, poly-quaternary ammonium, the long-acting expansion-resisting agent that primary amine and epichlorohydrin reaction generate, the expansion-resisting agent that polyamines and epichlorohydrin reaction generate etc.Bad adaptability, poorer especially for adaptability in the return water, { the SY/T5971--1994} standard is carried out Measuring and is obtained anti-swollen rate 80% surely on indoor centrifugal device, measure the displacement of reservoir oil rate 0% that obtains by industry (SY/T5277-2000) standard on indoor displacement of reservoir oil device by industry.This has proved absolutely that the anti-swollen rate of conventional expansion-resisting agent is low, does not have displacement of reservoir oil effect, can not satisfy the requirement of oil field development.
Summary of the invention
The invention provides a kind of water injection well with liquid anti-swelling oil displacement agent and high strength plugging agent and production method and using method, overcome the prior art weak point, its performance obviously is better than the performance of existing conventional expansion-resisting agent.
One of technical scheme of the present invention is achieved like this: a kind of water injection well liquid anti-swelling oil displacement agent, it consists of by raw material weight per-cent: 5% to 20% amine salt mixture, 0 to 8% Repone K, 1% to 8% reverse-phase emulsifier dimethyl diallyl ammonia chloride, 1% to 9% polyamines Soxylat A 25-7 M500 and excess water, wherein, the amine salt mixture is quadrol amine salt and the mixture of primary amine amine salt by 3 to 1 weight proportions.
Two of technical scheme of the present invention is achieved like this: a kind of water injection well liquid anti-swelling oil displacement agent, it consists of by raw material weight per-cent: 5% to 20% amine salt mixture, 3 to 8% Repone K, 1% to 8% reverse-phase emulsifier dimethyl diallyl ammonia chloride, 1% to 9% polyamines Soxylat A 25-7 M500 and excess water, wherein, the amine salt mixture is quadrol amine salt and the mixture of primary amine amine salt by 3 to 1 weight proportions.
Be below one of technical scheme to above-mentioned or technical scheme two further optimization or and improvement:
Last phase water injection well obtains by following step with the liquid anti-swelling oil displacement agent: at first the water with requirement is heated to 30 ℃ to 120 ℃, secondly amine salt mixture, Repone K, reverse-phase emulsifier dimethyl diallyl ammonia chloride, the polyamines Soxylat A 25-7 M500 of requirement under agitation add, constant temperature stirred 1 hour to 6 hours, obtained water injection well liquid anti-swelling oil displacement agent.
Three of technical scheme of the present invention is achieved like this: a kind of above-mentioned water injection well production method of liquid anti-swelling oil displacement agent, it is undertaken by following step: at first the water with requirement is heated to 30 ℃ to 120 ℃, secondly amine salt mixture, Repone K, reverse-phase emulsifier dimethyl diallyl ammonia chloride, the polyamines Soxylat A 25-7 M500 of requirement under agitation add, constant temperature stirred 1 hour to 6 hours, obtained water injection well liquid anti-swelling oil displacement agent.
Four of technical scheme of the present invention is achieved like this: a kind of above-mentioned water injection well using method of liquid anti-swelling oil displacement agent, it is undertaken by following step: will be used for water injection well behind 0.1% to 2% the water thorough mixing of water injection well with liquid anti-swelling oil displacement agent and surplus by weight percentage.
The present invention is easy to use, and its performance obviously is better than the performance of existing conventional expansion-resisting agent, and is strong to oil-field water adaptability, in re-injection water, can improve the water displacing oil effect, thereby satisfies the requirement of oil field development.
Embodiment
The present invention is not subjected to the restriction of following embodiment, can determine concrete embodiment according to the technical scheme and the practical situation of the invention described above.
Below in conjunction with embodiment the present invention is done further argumentation:
Embodiment 1, this water injection well consists of by raw material weight per-cent with the liquid anti-swelling oil displacement agent: 5% to 20% amine salt mixture, 0 to 8% Repone K, 1% to 8% reverse-phase emulsifier dimethyl diallyl ammonia chloride, 1% to 9% polyamines Soxylat A 25-7 M500 and excess water, wherein, the amine salt mixture is quadrol amine salt and the mixture of primary amine amine salt by 3 to 1 weight proportions.
Embodiment 2, this water injection well consists of by raw material weight per-cent with the liquid anti-swelling oil displacement agent: 5% amine salt mixture, 1% reverse-phase emulsifier dimethyl diallyl ammonia chloride, 1% polyamines Soxylat A 25-7 M500 and excess water, wherein, the amine salt mixture is quadrol amine salt and the mixture of primary amine amine salt by 3 to 1 weight proportions.
Embodiment 3, this water injection well consists of by raw material weight per-cent with the liquid anti-swelling oil displacement agent: 20% amine salt mixture, 8% Repone K, 8% reverse-phase emulsifier dimethyl diallyl ammonia chloride, 9% polyamines Soxylat A 25-7 M500 and excess water, wherein, the amine salt mixture is quadrol amine salt and the mixture of primary amine amine salt by 3 to 1 weight proportions.
Embodiment 4, this water injection well consists of by raw material weight per-cent with the liquid anti-swelling oil displacement agent: 5% amine salt mixture, 8% Repone K, 1% reverse-phase emulsifier dimethyl diallyl ammonia chloride, 9% polyamines Soxylat A 25-7 M500 and excess water, wherein, the amine salt mixture is quadrol amine salt and the mixture of primary amine amine salt by 3 to 1 weight proportions.
Embodiment 5, this water injection well consists of by raw material weight per-cent with the liquid anti-swelling oil displacement agent: 20% amine salt mixture, 8% reverse-phase emulsifier dimethyl diallyl ammonia chloride, 1% polyamines Soxylat A 25-7 M500 and excess water, wherein, the amine salt mixture is quadrol amine salt and the mixture of primary amine amine salt by 3 to 1 weight proportions.
Embodiment 6, this water injection well consists of by raw material weight per-cent with the liquid anti-swelling oil displacement agent: 5% to 20% amine salt mixture, 3% to 8% Repone K, 1% to 8% reverse-phase emulsifier dimethyl diallyl ammonia chloride, 1% to 9% polyamines Soxylat A 25-7 M500 and excess water, wherein, the amine salt mixture is quadrol amine salt and the mixture of primary amine amine salt by 3 to 1 weight proportions.
Embodiment 7, this water injection well consists of by raw material weight per-cent with the liquid anti-swelling oil displacement agent: 5% amine salt mixture, 3% Repone K, 1% reverse-phase emulsifier dimethyl diallyl ammonia chloride, 1% polyamines Soxylat A 25-7 M500 and excess water, wherein, the amine salt mixture is quadrol amine salt and the mixture of primary amine amine salt by 3 to 1 weight proportions.
Embodiment 8, this water injection well consists of by raw material weight per-cent with the liquid anti-swelling oil displacement agent: 20% amine salt mixture, 3% Repone K, 8% reverse-phase emulsifier dimethyl diallyl ammonia chloride, 1% polyamines Soxylat A 25-7 M500 and excess water, wherein, the amine salt mixture is quadrol amine salt and the mixture of primary amine amine salt by 3 to 1 weight proportions.
Embodiment 9, this water injection well consists of by raw material weight per-cent with the liquid anti-swelling oil displacement agent: 12% amine salt mixture, 3% Repone K, 3% reverse-phase emulsifier dimethyl diallyl ammonia chloride, 5% polyamines Soxylat A 25-7 M500 and excess water, wherein, the amine salt mixture is quadrol amine salt and the mixture of primary amine amine salt by 3 to 1 weight proportions.
Embodiment 10, the water injection well of embodiment 1 to 9 is undertaken by following step with the production method of liquid anti-swelling oil displacement agent: at first the water with requirement is heated to 30 ℃ to 120 ℃, secondly amine salt mixture, Repone K, reverse-phase emulsifier dimethyl diallyl ammonia chloride, the polyamines Soxylat A 25-7 M500 of requirement under agitation add, constant temperature stirred 1 hour to 6 hours, obtained water injection well liquid anti-swelling oil displacement agent.
Embodiment 10, the water injection well of embodiment 1 to 9 is undertaken by following step with the production method of liquid anti-swelling oil displacement agent: at first the water with requirement is heated to 30 ℃, secondly amine salt mixture, Repone K, reverse-phase emulsifier dimethyl diallyl ammonia chloride, the polyamines Soxylat A 25-7 M500 of requirement under agitation add, constant temperature stirred 1 hour, obtained water injection well liquid anti-swelling oil displacement agent.
Embodiment 11, the water injection well of embodiment 1 to 9 is undertaken by following step with the production method of liquid anti-swelling oil displacement agent: at first the water with requirement is heated to 120 ℃, secondly amine salt mixture, Repone K, reverse-phase emulsifier dimethyl diallyl ammonia chloride, the polyamines Soxylat A 25-7 M500 of requirement under agitation add, constant temperature stirred 6 hours, obtained water injection well liquid anti-swelling oil displacement agent.
Embodiment 12, the water injection well of embodiment 1 to 9 is undertaken by following step with the production method of liquid anti-swelling oil displacement agent: at first the water with requirement is heated to 50 ℃ or 60 ℃, secondly amine salt mixture, Repone K, reverse-phase emulsifier dimethyl diallyl ammonia chloride, the polyamines Soxylat A 25-7 M500 of requirement under agitation add, constant temperature stirred 2 hours or 3 hours or 4 hours, obtained water injection well liquid anti-swelling oil displacement agent.
Embodiment 13, and the water injection well of embodiment 1 to 9 is undertaken by following step with the using method of liquid anti-swelling oil displacement agent: will be used for water injection well behind 0.1% to 2% the water thorough mixing of water injection well with liquid anti-swelling oil displacement agent and surplus by weight percentage.
Embodiment 14, and the water injection well of embodiment 1 to 9 is undertaken by following step with the using method of liquid anti-swelling oil displacement agent: will be used for water injection well behind 0.1% the water thorough mixing of water injection well with liquid anti-swelling oil displacement agent and surplus by weight percentage.
Embodiment 15, and the water injection well of embodiment 1 to 9 is undertaken by following step with the using method of liquid anti-swelling oil displacement agent: will be used for water injection well behind 2% the water thorough mixing of water injection well with liquid anti-swelling oil displacement agent and surplus by weight percentage.
Embodiment 16, and the water injection well of embodiment 1 to 9 is undertaken by following step with the using method of liquid anti-swelling oil displacement agent: will be used for water injection well behind 1% the water thorough mixing of water injection well with liquid anti-swelling oil displacement agent and surplus by weight percentage.
Use the liquid anti-swelling oil displacement agent under the use proportioning of embodiment 13 to 16 embodiment 1 to 12 gained water injection well, { the SY/T5277-2000} standard is carried out Measuring and is obtained displacement of reservoir oil rate 2% to 15% surely on indoor dynamic apparatus, { the SY/T5971--1994} standard is carried out Measuring and obtained anti-swollen rate 36% to 90% surely on indoor centrifugal device by industry by industry.This proof: water injection well of the present invention obviously is better than the performance of existing conventional expansion-resisting agent with the performance of liquid anti-swelling oil displacement agent.
In the present invention: the M500 among the polyamines Soxylat A 25-7 M500 represents that the molecular weight of polyamines Soxylat A 25-7 is 500.
Claims (6)
1. water injection well liquid anti-swelling oil displacement agent, it is characterized in that consisting of: 5% to 20% amine salt mixture, 0 to 8% Repone K, 1% to 8% reverse-phase emulsifier dimethyl diallyl ammonia chloride, 1% to 9% polyamines Soxylat A 25-7 M500 and excess water by raw material weight per-cent, wherein, the amine salt mixture is quadrol amine salt and the mixture of primary amine amine salt by 3 to 1 weight proportions.
2. water injection well liquid anti-swelling oil displacement agent, it is characterized in that consisting of: 5% to 20% amine salt mixture, 3 to 8% Repone K, 1% to 8% reverse-phase emulsifier dimethyl diallyl ammonia chloride, 1% to 9% polyamines Soxylat A 25-7 M500 and excess water by raw material weight per-cent, wherein, the amine salt mixture is quadrol amine salt and the mixture of primary amine amine salt by 3 to 1 weight proportions.
3. water injection well liquid anti-swelling oil displacement agent according to claim 1 and 2, it is characterized in that obtaining by following step: at first the water with requirement is heated to 30 ℃ to 120 ℃, secondly amine salt mixture, Repone K, reverse-phase emulsifier dimethyl diallyl ammonia chloride, the polyamines Soxylat A 25-7 M500 of requirement under agitation add, constant temperature stirred 1 hour to 6 hours, obtained water injection well liquid anti-swelling oil displacement agent.
4. a water injection well according to claim 1 and 2 is with the production method of liquid anti-swelling oil displacement agent, it is characterized in that being undertaken by following step: at first the water with requirement is heated to 30 ℃ to 120 ℃, secondly amine salt mixture, Repone K, reverse-phase emulsifier dimethyl diallyl ammonia chloride, the polyamines Soxylat A 25-7 M500 of requirement under agitation add, constant temperature stirred 1 hour to 6 hours, obtained water injection well liquid anti-swelling oil displacement agent.
5. the using method of a water injection well usefulness liquid anti-swelling oil displacement agent according to claim 1 and 2 is characterized in that being undertaken by following step: will be used for water injection well behind 0.1% to 2% the water thorough mixing of water injection well with liquid anti-swelling oil displacement agent and surplus by weight percentage.
6. the using method of a water injection well usefulness liquid anti-swelling oil displacement agent according to claim 3 is characterized in that being undertaken by following step: will be used for water injection well behind 0.1% to 2% the water thorough mixing of water injection well with liquid anti-swelling oil displacement agent and surplus by weight percentage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101111065A CN102226079A (en) | 2011-05-01 | 2011-05-01 | Liquid anti-swelling oil displacement agent for water injection wells, production method and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101111065A CN102226079A (en) | 2011-05-01 | 2011-05-01 | Liquid anti-swelling oil displacement agent for water injection wells, production method and application method thereof |
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| CN102226079A true CN102226079A (en) | 2011-10-26 |
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| CN2011101111065A Pending CN102226079A (en) | 2011-05-01 | 2011-05-01 | Liquid anti-swelling oil displacement agent for water injection wells, production method and application method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103305203A (en) * | 2013-06-28 | 2013-09-18 | 克拉玛依市正诚有限公司 | Anti-swelling oil-displacing agent as well as preparing method and using method thereof |
| CN105626017A (en) * | 2014-10-29 | 2016-06-01 | 中国石油化工股份有限公司 | Use method for steam injection clay anti-expansion agent accompanied injection of water-sensitive heavy oil well |
| CN108485627A (en) * | 2018-04-28 | 2018-09-04 | 西南石油大学 | A kind of preparation of water filling with oil cleaning clay expansion-resisting agent |
-
2011
- 2011-05-01 CN CN2011101111065A patent/CN102226079A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103305203A (en) * | 2013-06-28 | 2013-09-18 | 克拉玛依市正诚有限公司 | Anti-swelling oil-displacing agent as well as preparing method and using method thereof |
| CN105626017A (en) * | 2014-10-29 | 2016-06-01 | 中国石油化工股份有限公司 | Use method for steam injection clay anti-expansion agent accompanied injection of water-sensitive heavy oil well |
| CN108485627A (en) * | 2018-04-28 | 2018-09-04 | 西南石油大学 | A kind of preparation of water filling with oil cleaning clay expansion-resisting agent |
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Application publication date: 20111026 |