CN106634907A - Polyethyleneimine water shut-off and profile control agent as well as preparation method thereof - Google Patents

Polyethyleneimine water shut-off and profile control agent as well as preparation method thereof Download PDF

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Publication number
CN106634907A
CN106634907A CN201610832395.0A CN201610832395A CN106634907A CN 106634907 A CN106634907 A CN 106634907A CN 201610832395 A CN201610832395 A CN 201610832395A CN 106634907 A CN106634907 A CN 106634907A
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agent
profile control
polyethyleneimine
control agent
water plugging
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CN201610832395.0A
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CN106634907B (en
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王涛
汪庐山
崔文富
韦雪
唐培忠
徐鹏
胡秋平
刘丛玮
朱妍婷
卢小娟
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China Petroleum and Chemical Corp
Sinopec Research Institute of Petroleum Engineering Shengli Co
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China Petroleum and Chemical Corp
Sinopec Research Institute of Petroleum Engineering Shengli Co
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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
    • 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
    • C09K8/5083—Compositions based on water or polar solvents containing organic compounds macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • C09K8/60—Compositions for stimulating production by acting on the underground formation
    • C09K8/84—Compositions based on water or polar solvents
    • C09K8/86—Compositions based on water or polar solvents containing organic compounds
    • C09K8/88—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
    • C09K8/882—Compositions based on water or polar solvents containing organic compounds macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • C09K8/60—Compositions for stimulating production by acting on the underground formation
    • C09K8/84—Compositions based on water or polar solvents
    • C09K8/86—Compositions based on water or polar solvents containing organic compounds
    • C09K8/88—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
    • C09K8/887—Compositions based on water or polar solvents containing organic compounds macromolecular compounds containing cross-linking agents

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

The invention relates to a polyethyleneimine water shut-off and profile control agent. The agent comprises the following components in percentages by weight: 0.05-5% of partially hydrolyzed polyacrylamide, 0.01-0.5% of a cross-linking agent polyethylene, 0.05-1% of a gelation delaying agent, 0.1-3% of a stabilizing agent, 0.01-0.05% of a conditioning agent, and the balance being water. The total amount of each component is 100%. The invention also relates to a preparation method of the polyethyleneimine water shut-off and profile control agent.

Description

Polyethyleneimine amine water plugging profile control agent and preparation method thereof
Technical field
The present invention relates to a kind of polyethyleneimine amine water plugging profile control agent and preparation method thereof.
Background technology
At present, water-drive pool generally enters ultra-high water cut stage, and the distribution of ultra-high water cut stage remaining oil is more scattered, adds length Phase develops, and near wellbore zone is washed away seriously, and remaining oil saturation is low, and unbalanced displacement caused by heterogeneous body has had a strong impact on water drive and opened Send out effect.Deep profile correction is the Important Action of " steady oil control water " improving ecology effect of reservoir development.Polyacrylamide and chromium, phenolic aldehyde The polymer gel that crosslinking agent is formed is currently the leading system in water plugging and profiling technology, and annual consumption pollutes at 3000 tons or so Underground water is harmful, if remaining in can also make in crude oil refinery catalyst poisoning.Therefore, adding with development difficulty Greatly, the increase of environmental consciousness, the environmentally friendly cross-linking system that deep migration is capable of in exploitation is significant.
With regard to polyethyleneimine water plugging profile control agent, Chinese patent application 201310497016.3 discloses a kind of polyethyleneimine A kind of amine frozen glue profile-controlling and plugging agent, described polyethyleneimine frozen glue profile-controlling and plugging agent is by partially hydrolyzed polyacrylamide (PHPA) and friendship Connection agent polyethyleneimine reacts and is formed, and the system gelation time for being formed is 0-32h.Chinese patent application 201410851643.7 disclosing a kind of polyethyleneimine crosslinking high temperature water plugging profile control agent and preparation method thereof, what is mainly used is poly- Compound is the bipolymer of acrylamide and tert-butyl acrylate, its gelation time ＜ 2d.
Therefore, it is still necessary to do not turn off the water plugging profile control agent with excellent properties.
The content of the invention
The present invention provides a kind of polyethyleneimine amine water plugging profile control agent, and it is made up of following components：Partial hydrolysis polypropylene Acid amides 0.05%-5%, crosslinking agent polyethyleneimine 0.01%-0.5%, dela yed crosslink agent 0.05%-1%, stabilizer 0.1%- 3%, conditioning agent 0.01%-0.05%, balance of water, each component sum is 100%, by weight percentage.
The invention further relates to the preparation method of polyethyleneimine amine water plugging profile control agent, it is comprised the steps of：
(1) dela yed crosslink agent, stabilizer and partially hydrolyzed polyacrylamide (PHPA) are added in oilfield injection water, is stirred under normal temperature Until partially hydrolyzed polyacrylamide (PHPA) is completely dissolved；
(2) crosslinking agent polyethyleneimine is added, mixing is until uniformly, obtain water plugging profile control agent；
(3) conditioning agent is added to cause the pH of water plugging profile control agent system stable between 10-12.
Dela yed crosslink agent containing specified quantitative in the present invention, it plays shielding action during frozen glue is formed, can be with Significantly delay the gelation time of polyethyleneimine water plugging profile control agent, system under the conditions of 150 DEG C, gelation time can delay to 6-7d, increased the live pumpable angle of incidence, be conducive to water plugging profile control agent to enter oil deposit deep part, be further to improve recovery ratio to establish Good basis.
Specific embodiment
The present invention provides a kind of polyethyleneimine amine water plugging profile control agent, and it is made up of following components：Partial hydrolysis polypropylene Acid amides 0.05%-5%, crosslinking agent polyethyleneimine 0.01%-0.5%, dela yed crosslink agent 0.05%-1%, stabilizer 0.1%- 3%, conditioning agent 0.01%-0.05%, balance of water, each component sum is 100%, by weight percentage.
In one embodiment of the invention, polyethyleneimine amine water plugging profile control agent is made up of following components：Part water Solution polyacrylamide 0.1%-3.5%, crosslinking agent polyethyleneimine 0.03%-0.3%, dela yed crosslink agent 0.1%-0.6%, surely Determine agent 0.3%-2%, conditioning agent 0.01%-0.05%, balance of water；Each component sum is 100%, by weight percentage.
In a preferred embodiment of the invention, partially hydrolyzed polyacrylamide (PHPA) 0.2%-1.5%, the poly- second of crosslinking agent Alkene imines 0.05%-0.25%, dela yed crosslink agent 0.1%-0.3%, stabilizer 0.3%-1%, conditioning agent 0.01%- 0.05%, balance of water, each component sum is 100%, by weight percentage.
In one embodiment of the invention, the dela yed crosslink agent is 2- methyl -5- acryamidopropanesulfonic acids, second Thiazolinyl propane sulfonic acid or allyl sulphonic acid, or its mixture.
In one embodiment of the invention, the consumption of the dela yed crosslink agent is 0.01-6 times of polyethyleneimine, It is preferred that 0.1-4 times, more preferably 0.1-2 times.
In one embodiment of the invention, the partially hydrolyzed polyacrylamide (PHPA) be non-ionic polyacrylamide or Anion-polyacrylamide, its degree of hydrolysis 3%-8%, more preferably preferred 3%-7%, 3%-5%.
In one embodiment of the invention, the molecular weight 300-3000 of crosslinking agent polyethyleneimine, preferred 1000- 2000；Its solid content 30%-50%, more preferably preferred 30%-45%, 35-45%.
In one embodiment of the invention, the conditioning agent is pH value conditioning agent, selected from strong acid weak base salt, such as ammonia One kind in water, sodium carbonate, sodium acid carbonate, sodium acetate, or its mixture.
In one embodiment of the invention, stabilizer is thiocarbamide, urea or its mixture.
The invention further relates to the preparation method of described polyethyleneimine amine water plugging profile control agent, it is comprised the steps of：
(1) dela yed crosslink agent, stabilizer and partially hydrolyzed polyacrylamide (PHPA) are added in oilfield injection water, is stirred under normal temperature Until partially hydrolyzed polyacrylamide (PHPA) is completely dissolved；
(2) crosslinking agent polyethyleneimine is added, mixing is until uniformly, obtain water plugging profile control agent；
(3) conditioning agent is added to cause the pH of water plugging profile control agent system stable between 10-12.
In the present invention, unless otherwise indicated, otherwise all numbers or percentage are weight portion or percetage by weight.
In the present invention, material used is known substance, commercially available or synthesized by known method.
In the present invention, equipment therefor or equipment are conventional equipment or equipment known to the field, commercially available.
The present invention is illustrated below in conjunction with embodiment, but the present invention is not limited to following examples.
Embodiment
Embodiment 1
In 1000g oilfield injection waters, 2.0g 2- methyl -5- acryamidopropanesulfonic acids and vinyl propane sulfonic acid are added (both weight ratios are 1:1) mixture, 6.0g thiocarbamides and the non-ionic polyacrylamide that 12g degree of hydrolysis is 8%, normal temperature Lower stirring 2-3h is completely dissolved to non-ionic polyacrylamide, and the molecular weight for being subsequently adding 1.0g is 3000, solid content 50% Crosslinking agent polyethyleneimine, stir, 0.3g sodium carbonate and sodium acid carbonate are added afterwards, and (both weight ratios are 1:1) mixed Compound stirs, and obtains final product polyethyleneimine water plugging profile control agent.Water plugging profile control agent gelation time 6d at 150 DEG C, frozen glue is strong Degree 0.076MPa.
Embodiment 2
In 1000g oilfield injection waters, 5.0g 2- methyl -5- acryamidopropanesulfonic acids, 8.0g thiocarbamides and 30g are added Degree of hydrolysis is 8% non-ionic polyacrylamide, 2-3h is stirred under normal temperature and is completely dissolved to non-ionic polyacrylamide, so The molecular weight for adding 3.0g afterwards is the crosslinking agent polyethyleneimine of 3000, solid content 50%, is stirred；0.4g carbon is added afterwards (both weight ratios are 1 for sour sodium and sodium acid carbonate:1) mixture stirs, and obtains final product polyethyleneimine water plugging profile control agent.This is blocked up Water profile control agent gelation time 6d at 150 DEG C, gel strength 0.078MPa.
Embodiment 3
In 1000g oilfield injection waters, 3.0g 2- methyl -5- acryamidopropanesulfonic acids and allyl sulphonic acid (two are added Person's weight ratio is 1:1) mixture, 5.0g urea and the anion-polyacrylamide that 15g degree of hydrolysis is 7%, stir under normal temperature Mix 2-3h to be completely dissolved to non-ionic polyacrylamide, the molecular weight for being subsequently adding 1.5g is 3000, the friendship of solid content 50% Connection agent polyethyleneimine, stirs, and adds 0.35g sodium carbonate to stir afterwards, obtains final product polyethyleneimine water plugging profile control agent. Water plugging profile control agent gelation time 6d at 150 DEG C, gel strength 0.075MPa.
Embodiment 4
In 1000g oilfield injection waters, 2.8g 2- methyl -5- acryamidopropanesulfonic acids and vinyl propane sulfonic acid are added (both weight ratios are 1:1) mixture, 7.0g thiocarbamides and the non-ionic polyacrylamide that 10g degree of hydrolysis is 8%, normal temperature Lower stirring 2-3h is completely dissolved to non-ionic polyacrylamide, and the molecular weight for being subsequently adding 2.0g is 3000, solid content 45% Crosslinking agent polyethyleneimine, stir, 0.3g sodium carbonate and sodium acid carbonate are added afterwards, and (both weight ratios are 1:1) mixed Compound stirs, and obtains final product polyethyleneimine water plugging profile control agent.Water plugging profile control agent gelation time 7d at 150 DEG C, frozen glue is strong Degree 0.079MPa.
Embodiment 5
In 1000g oilfield injection waters, 1.2g 2- methyl -5- acryamidopropanesulfonic acids, 5.0g thiocarbamides and 10g are added Degree of hydrolysis is 7% non-ionic polyacrylamide, 2-3h is stirred under normal temperature and is completely dissolved to non-ionic polyacrylamide, so The molecular weight for adding 1.0g afterwards is 3000, and the crosslinking agent polyethyleneimine of solid content 45% stirs, and 0.3g carbon is added afterwards (both weight ratios are 1 for sour sodium and sodium acid carbonate:2) mixture stirs, and obtains final product polyethyleneimine water plugging profile control agent.This is blocked up Water profile control agent gelation time 7d at 150 DEG C, gel strength 0.078MPa.
Embodiment 6
In 1000g oilfield injection waters, 2.0g 2- methyl -5- acryamidopropanesulfonic acids and vinyl propane sulfonic acid are added (both weight ratios are 2:1) mixture, 6.0g thiocarbamides and the non-ionic polyacrylamide that 12g degree of hydrolysis is 8%, normal temperature Lower stirring 2-3h is completely dissolved to non-ionic polyacrylamide, and the molecular weight for being subsequently adding 1.0g is 3000, solid content 50% Crosslinking agent polyethyleneimine, stir, afterwards add 0.3g ammoniacal liquor stir, obtain final product polyethyleneimine water plugging and profile controlling Agent.Water plugging profile control agent gelation time 6d at 150 DEG C, gel strength 0.075MPa.
Embodiment 7
In 1000g oilfield injection waters, 1.2g vinyl propane sulfonic acid, 5.0g thiocarbamides and 11g degree of hydrolysis is added to be 7% Non-ionic polyacrylamide, stirs 2-3h and is completely dissolved to non-ionic polyacrylamide under normal temperature, be subsequently adding 1.1g's Molecular weight is 3000, the crosslinking agent polyethyleneimine of solid content 45%, is stirred, and 0.3g sodium carbonate and bicarbonate are added afterwards (both weight ratios are 1 to sodium:2) mixture stirs, and obtains final product polyethyleneimine water plugging profile control agent.The water plugging profile control agent exists Gelation time 6.5d at 150 DEG C, gel strength 0.078MPa.
Embodiment 8
In 1000g oilfield injection waters, 2.0g allyl sulphonic acids, 6.0g thiocarbamides and the moon that 12g degree of hydrolysis is 8% are added Polyacrylamide, stirs 2-3h and is completely dissolved to non-ionic polyacrylamide under normal temperature, be subsequently adding dividing for 1.0g Son amount is 3000, and the crosslinking agent polyethyleneimine of solid content 50% stirs, and adds 0.3g ammoniacal liquor to stir afterwards, i.e., Obtain polyethyleneimine water plugging profile control agent.Water plugging profile control agent gelation time 6d at 150 DEG C, gel strength 0.075MPa.

Claims (9)

1. a kind of polyethyleneimine amine water plugging profile control agent, it is made up of following components：Partially hydrolyzed polyacrylamide (PHPA) 0.05%- 5%, crosslinking agent polyethyleneimine 0.01%-0.5%, dela yed crosslink agent 0.05%-1%, stabilizer 0.1%-3%, conditioning agent 0.01%-0.05%, balance of water, each component sum is 100%, by weight percentage.
2. the polyethyleneimine amine water plugging profile control agent of claim 1, it is made up of following components：Partially hydrolyzed polyacrylamide (PHPA) 0.1%-3.5%, crosslinking agent polyethyleneimine 0.03%-0.3%, dela yed crosslink agent 0.1%-0.6%, stabilizer 0.3%- 2%, conditioning agent 0.01%-0.05%, balance of water；More preferably partially hydrolyzed polyacrylamide (PHPA) 0.2%-1.5%, crosslinking agent gathers Aziridine 0.05%-0.25%, dela yed crosslink agent 0.1%-0.3%, stabilizer 0.3%-1%, conditioning agent 0.01%- 0.05%, balance of water, each component sum is 100%, by weight percentage.
3. the polyethyleneimine amine water plugging profile control agent of claim 1 or 2, it is characterised in that the dela yed crosslink agent be 2- methyl- 5- acryamidopropanesulfonic acids, vinyl propane sulfonic acid or allyl sulphonic acid, or its mixture.
4. the polyethyleneimine amine water plugging profile control agent of claim 1 or 2, it is characterised in that the consumption of the dela yed crosslink agent is poly- 0.01-6 times of aziridine, preferred 0.1-4 times, more preferably 0.1-2 times.
5. the polyethyleneimine amine water plugging profile control agent of claim 1 or 2, it is characterised in that the partially hydrolyzed polyacrylamide (PHPA) For non-ionic polyacrylamide or anion-polyacrylamide, degree of hydrolysis 3%-8%, more preferably preferred 3%-7%, 3%- 5%.
6. the polyethyleneimine amine water plugging profile control agent of claim 1 or 2, it is characterised in that the molecular weight of crosslinking agent polyethyleneimine 300-3000, preferred 1000-2000；Its solid content 30%-50%, more preferably preferred 30%-45%, 35-45%.
7. the polyethyleneimine amine water plugging profile control agent of claim 1 or 2, it is characterised in that the conditioning agent is pH value conditioning agent, One kind in strong acid weak base salt, such as ammoniacal liquor, sodium carbonate, sodium acid carbonate, sodium acetate, or its mixture.
8. the polyethyleneimine amine water plugging profile control agent of claim 1 or 2, it is characterised in that stabilizer be thiocarbamide, urea or its Mixture.
9. the preparation method of the polyethyleneimine amine water plugging profile control agent as described in any one of claim 1-8, it includes following step Suddenly：
(1) dela yed crosslink agent, stabilizer and partially hydrolyzed polyacrylamide (PHPA) are added in oilfield injection water, stirring under normal temperature until Partially hydrolyzed polyacrylamide (PHPA) is completely dissolved；
(2) crosslinking agent polyethyleneimine is added, mixing is until uniformly, obtain water plugging profile control agent；
(3) conditioning agent is added to cause the pH of water plugging profile control agent system stable between 10-12.
CN201610832395.0A 2016-09-19 2016-09-19 Polyethyleneimine water shutoff profile control agent and preparation method thereof Active CN106634907B (en)

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Cited By (8)

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CN107746447A (en) * 2017-10-25 2018-03-02 中国石油化工股份有限公司 Profile control delay Tackified polymeric and preparation method thereof
CN107794014A (en) * 2017-10-25 2018-03-13 中国石油化工股份有限公司 Middle low temperature gel adjusts stifled system and preparation method thereof
CN107794015A (en) * 2017-10-25 2018-03-13 中国石油化工股份有限公司 It is stifled to call polyethyleneimine crosslinking retardants and its production and use
CN110790959A (en) * 2019-05-30 2020-02-14 大港油田集团有限责任公司 Water-soluble phenolic resin crosslinking agent low-temperature rapid gelling and crosslinking promoting agent and preparation method and application thereof
CN110938416A (en) * 2018-09-21 2020-03-31 中国石油化工股份有限公司 Profile control agent and preparation method and application thereof
CN111019619A (en) * 2019-11-26 2020-04-17 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 Liquid rubber plug temporary plugging slug for shaft isolation and preparation method
CN111334266A (en) * 2018-12-18 2020-06-26 中国石油化工股份有限公司 Profile control agent and preparation method and application thereof
CN111334267A (en) * 2018-12-18 2020-06-26 中国石油化工股份有限公司 Profile control agent and preparation method and application thereof

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107746447A (en) * 2017-10-25 2018-03-02 中国石油化工股份有限公司 Profile control delay Tackified polymeric and preparation method thereof
CN107794014A (en) * 2017-10-25 2018-03-13 中国石油化工股份有限公司 Middle low temperature gel adjusts stifled system and preparation method thereof
CN107794015A (en) * 2017-10-25 2018-03-13 中国石油化工股份有限公司 It is stifled to call polyethyleneimine crosslinking retardants and its production and use
CN107746447B (en) * 2017-10-25 2020-04-07 中国石油化工股份有限公司 Delayed tackifying polymer for profile control and preparation method thereof
CN110938416A (en) * 2018-09-21 2020-03-31 中国石油化工股份有限公司 Profile control agent and preparation method and application thereof
CN111334266A (en) * 2018-12-18 2020-06-26 中国石油化工股份有限公司 Profile control agent and preparation method and application thereof
CN111334267A (en) * 2018-12-18 2020-06-26 中国石油化工股份有限公司 Profile control agent and preparation method and application thereof
CN111334266B (en) * 2018-12-18 2022-05-24 中国石油化工股份有限公司 Profile control agent and preparation method and application thereof
CN110790959A (en) * 2019-05-30 2020-02-14 大港油田集团有限责任公司 Water-soluble phenolic resin crosslinking agent low-temperature rapid gelling and crosslinking promoting agent and preparation method and application thereof
CN111019619A (en) * 2019-11-26 2020-04-17 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 Liquid rubber plug temporary plugging slug for shaft isolation and preparation method

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