CN105860947B - A kind of profile control agent and preparation method thereof of slow degradation high temperature resistant high salinity - Google Patents
A kind of profile control agent and preparation method thereof of slow degradation high temperature resistant high salinity Download PDFInfo
- Publication number
- CN105860947B CN105860947B CN201610245136.8A CN201610245136A CN105860947B CN 105860947 B CN105860947 B CN 105860947B CN 201610245136 A CN201610245136 A CN 201610245136A CN 105860947 B CN105860947 B CN 105860947B
- Authority
- CN
- China
- Prior art keywords
- profile control
- control agent
- salinity
- initiator
- profile
- 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.)
- Active
Links
Classifications
-
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
- C08G12/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
- C08G12/30—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with substituted triazines
- C08G12/32—Melamines
-
- 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
- C09K8/5086—Compositions based on water or polar solvents containing organic compounds macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
Abstract
The present invention provides a kind of profile control agents and preparation method thereof of slow degradation high temperature resistant high salinity.By percentage to the quality, the raw material composition of the profile control agent includes melamine class monomer 1 4%；Aldehydes and/or methenamine 0.555 4.8%；Diacetone Acrylamide 0.5 2%；Plasticizer 0.05 0.2%；Initiator 0.05 0.2%；Surplus is water.The preparation process of the profile control agent includes sequentially adding melamine class monomer, aldehydes and/or methenamine in water, and the first solution is formed after stirring；Diacetone Acrylamide, plasticizer and initiator are sequentially added into above-mentioned first solution, are stirred, are obtained profile control agent.Profile control agent provided by the invention has good being pumped into property, temperature tolerance, long-term effectiveness, prepare it is simple, it is of low cost the advantages that.
Description
Technical field
The present invention relates to a kind of profile control agents and preparation method thereof of slow degradation high temperature resistant high salinity, belong to Water in Water Shutoff in Oil Field tune
Cut open technical field.
Background technology
Due to the permeability contrast in interlayer, layer, by steam soak or waterflooding extraction for many years, domestic and international many oil fields
There is longitudinal and plane by the uneven contradiction of effect, the phenomenon that seriously channeling or water breakthrough even occurs between well in some, seriously affects
The effect of oil field development.
In order to improve the ultimate recovery of flood effectiveness and oil field, need to take water plugging and profiling technology measure in time, at present
The method of water plugging and profile controlling is mainly machinery card envelope and chemical water shutoff.Machinery card envelope construction is simple, cost is relatively low, but its effect model
Enclose and be only limited to pit shaft range, for those every interlayer unobvious, the oil well of dispensing can not be used, best solution be exactly chemical
Plugging technology.
Currently, the profile control agent used in chemical plugging technology is mainly particulate species blocking agent, high temperature organogel class blocking agent, tree
Lipid blocking agent and foam class blocking agent.
Particulate species blocking agent includes traditional cements, rubber powder, slag powders, flyash and bark powder etc.；Particulate species blocking agent makes
With having the following problems in the process：Grain size is big, non-selectivity, poor to the passability of stratum and pore throat, is easily damaged to reservoir.
High temperature organogel class blocking agent higher price needs the cost undertaken higher during use.
Resinae blocking agent is divided into two kinds of thermosetting resin and thermoplastic resin, and resin blocking agent is mainly used for blocking Thief zone
Layer, oil well bottom water and alters slot water and shakes out serious and high-temperature oil well, exist in use it is of high cost, it is difficult etc. after accidentally stifled
Series of malpractice, at present apply it is less, its curing rate of thermosetting resin is very sensitive to temperature when special, poor controllability, and
Resistance to mild resistance to high salinity performance cannot meet the requirement that steam drives profile control.
Steam penetrates readily through under foam class blocking agent plugging strength is low and high-temperature and high-pressure conditions.
Therefore, for above-mentioned profile control agent there are the problem of, one kind is provided and can be applied to steam soak oil reservoir or common note
The water plugging profile control agent of water heavy crude reservoir becomes this field technical problem urgently to be resolved hurrily.
Invention content
In order to solve the above technical problems, the purpose of the present invention is to provide a kind of profile controls of slow degradation high temperature resistant high salinity
Agent, the being pumped into property of profile control agent ground is good, resistance to mild resistance to high salinity performance is good, and shut-off capacity is strong, can be applied to steam soak
Oil reservoir or common water filling heavy crude reservoir, manufacturing cost is cheap and is not easy to pollute stratum.
In order to achieve the above objectives, the present invention provides a kind of profile control agents of slow degradation high temperature resistant high salinity, with quality hundred
Divide than meter, the raw material composition of the profile control agent includes：
In above-mentioned profile control agent, it is preferable that the fusing point of the melamine class monomer is at least 300 DEG C, and decomposition temperature is extremely
It it is less 354 DEG C, the melamine class monomer for meeting the fusing point and decomposition temperature requirement is used equally for the present invention；It is highly preferred that
The melamine class monomer includes melamine and/or benzoguanamine, but not limited to this.
Technical solution provided by the invention uses melamine class monomer and aldehyde and/or black Lip river with high heat resistance
Tropine carries out polycondensation reaction and generates melamine class monomer resin crosslinking agent, which has chemism height, cementing strength
Greatly, the advantages that thermal stability is good, low-temperature setting ability is strong, anti-shear performance is good, curing rate is fast.
In above-mentioned profile control agent, it is preferable that the aldehydes includes formaldehyde, but not limited to this；In technology provided by the invention
In scheme, in alkalescent or neutral medium, when the molar ratio of melamine and formaldehyde is 1:When (6-12), formaldehyde can be with three
Paracyanogen amine monomers generate the hexamethylolmelamine class monomer of high stability and other condensation polymers, increase and diacetone
Acrylamide crosslinks the methylol functional groups of reaction, improves the heat resistance and intensity of gel.
In above-mentioned profile control agent, it is preferable that the aldehydes and methenamine are originated from their own aqueous solution (i.e.
Aldehydes solution and methenamine solution), the mass percent concentration of the aldehydes solution and methenamine solution is 37-
40%, when in use, by percentage to the quality, the addition of the aldehydes solution and/or methenamine solution is 1.5-12%.
In above-mentioned profile control agent, it is preferable that the plasticizer includes diallyl phthalate and/or M-phthalic acid
Diallyl.
In scheme provided by the invention, plasticizer can be reacted with Diacetone Acrylamide, by diacetone acrylamide
It is introduced in amide molecule structure and carries heat safe benzene ring structure monomer, with the two allyloxy groups contained in each molecule
Polymerization, high polymer intensity height, good toughness, the thermal stability for reacting generation are good, sustainable use at a temperature of 150 DEG C, for a long time
Using rear fully biodegradable, environment will not be endangered.
In technical solution provided by the invention, melamine class monomer resin crosslinking agent is (by formaldehyde and melamine class
Monomer reaction generate) can with high polymer (by plasticizer and Diacetone Acrylamide reaction generate) crosslink polymerization it is synchronous instead
It answers, the gelling strength and heat resistance of profile control agent can be further increased.
In above-mentioned profile control agent, it is preferable that the initiator is persulfate；It is highly preferred that the initiator included
Sodium sulphate, potassium peroxydisulfate or ammonium persulfate.
In above-mentioned profile control agent, it is preferable that the heatproof temperature of the profile control agent is 250 DEG C.
In above-mentioned profile control agent, it is preferable that the resistance to salinity of profile control agent is 23 × 104mg/L。
The present invention also provides a kind of preparation methods of above-mentioned profile control agent comprising following steps：
(1) melamine class monomer, aldehydes and/or methenamine are added to the water, form the first solution after stirring；
(2) Diacetone Acrylamide, plasticizer and initiator are added into above-mentioned first solution, stirring obtains slow degradation
The profile control agent of high temperature resistant high salinity.
In the above preparation method, it is preferable that in step (1), the temperature of the water is at least 40 DEG C.
In the above preparation method, it is preferable that in step (1), mixing time 20-30min；It is highly preferred that stirring
Speed is 50-200r/min.
In the above preparation method, it is preferable that in step (2), mixing time 30min；It is highly preferred that mixing speed
For 150r/min-1000r/min.
Beneficial effects of the present invention：
Compared with existing profile control agent, effective sealing ratiod of the profile control agent of slow degradation high temperature resistant high salinity provided by the invention
Up to 87% or more, heatproof is up to 250 DEG C, and use term of validity under the conditions of 150 DEG C was up to 6 months or more；Profile control agent before plastic
Viscosity be 200-1000mPa.S, plugging strength can be controlled in up to 25MPa/m or more, gelation time in 8-48h, Neng Goushi
The indepth plugging of existing oil reservoir.
Profile control agent provided by the invention has good being pumped into property, temperature tolerance, long-term effectiveness, prepares simply, at low cost
The features such as honest and clean, and gelation time is adjustable, and shut-off capacity is strong, and adaptation Oil Reservoir Types are wide, are not easy to pollute stratum, can enter stratum
Deep, effectively solution steam soak oil reservoir steam entry profile is uneven, and channeling or common water filling heavy crude reservoir intake profile are uneven between well
Deng production problem.
Specific implementation mode
In order to which technical characteristic, purpose and the advantageous effect to the present invention are more clearly understood, now to the skill of the present invention
Art scheme carry out it is described further below, but should not be understood as to the present invention can practical range restriction.
Embodiment 1
Present embodiments provide a kind of profile control agent of slow degradation high temperature resistant high salinity, by percentage to the quality, the profile control
The raw material group of agent becomes：
Melamine：4%；
Formalin：12%；
Diacetone Acrylamide：2%；
Diallyl phthalate：0.2%；
Sodium peroxydisulfate：0.2%；
Surplus is Donghe oilfield in Tarim sewage, and temperature is 40 DEG C, and salinity is 23 × 104mg/L；
The mass percent concentration of above-mentioned formalin is 37-40%.
The specific preparation process of the profile control agent is：
(1) melamine, formalin are added sequentially in 40 DEG C of oilfield sewage, are sufficiently stirred dissolving 20-
30min, mixing speed 50-200r/min；
(2) Diacetone Acrylamide, plasticizer, initiator are sequentially added into above-mentioned solution, continue stir 30min after i.e.
For the profile control agent of slow degradation high temperature resistant high salinity.
Embodiment 2
Present embodiments provide a kind of profile control agent of slow degradation high temperature resistant high salinity, by percentage to the quality, the profile control
The raw material group of agent becomes：
Benzoguanamine：1%；
Methenamine solution：1.5%；
Diacetone Acrylamide：0.5%；
Diallyl isophthalate：0.05%；
Potassium peroxydisulfate：0.05%；
Surplus is Donghe oilfield in Tarim sewage, and temperature is 40 DEG C, and salinity is 23 × 104mg/L；
The mass percent concentration of above-mentioned methenamine solution is 37-40%.
The specific preparation process of the profile control agent is：
(1) melamine, methenamine solution are added sequentially in 40 DEG C of oilfield sewage, are sufficiently stirred dissolving 20-
30min, mixing speed 50-200r/min；
(2) Diacetone Acrylamide, plasticizer, initiator are sequentially added into above-mentioned solution, continue stir 30min after i.e.
For the profile control agent of slow degradation high temperature resistant high salinity.
The slow degradation high temperature resistant high salinity profile control agent that embodiment 2 is provided carries out rock core single tube simulated experiment, investigates rock
Permeability variation situation of the heart with profile control agent before and after the processing (the results are shown in Table 1).
The plugging strength performance of 1 profile control agent of table
| Core numbers | Permeability × 10 before stifled-3μm2 | Permeability × 10 after stifled-3μm2 | Plugging rate % |
| 1 | 874.2 | 90.5 | 89.6 |
| 2 | 765.8 | 86.2 | 88.7 |
| 3 | 915.4 | 115.4 | 87.4 |
From table 1 the result shows that, it is provided by the invention it is slow degradation high temperature resistant high salinity profile control agent have very strongly
Layer shut-off capacity, effective sealing ratiod is up to 87% or more, and the sealing ratiod of profile control agent used at present is 75%-80%, it is seen that
Profile control agent effect provided by the invention is ideal.
Embodiment 3
Present embodiments provide a kind of profile control agent of slow degradation high temperature resistant high salinity, by percentage to the quality, the profile control
The raw material group of agent becomes：
Melamine：2%；
Methenamine solution：6%；
Diacetone Acrylamide：1%；
Diallyl isophthalate：0.1%；
Potassium peroxydisulfate：0.1%；
Surplus is Donghe oilfield in Tarim sewage, and temperature is 40 DEG C, and salinity is 23 × 104mg/L；
The mass percent concentration of above-mentioned methenamine solution is 37-40%.
The specific preparation process of the profile control agent is：
(1) melamine, methenamine solution are added sequentially in 40 DEG C of oilfield sewage, are sufficiently stirred dissolving 20-
30min, mixing speed 50-200r/min；
(2) Diacetone Acrylamide, plasticizer, initiator are sequentially added into above-mentioned solution；
(3) continue to stir after 30min be slow degradation high temperature resistant high salinity profile control agent.
Profile control agent progress rock core single tube simulated experiment to the slow degradation high temperature resistant high salinity that embodiment 3 provides, is investigated
It is to stratum plugging strength (the results are shown in Table 2).
The plugging strength of gel can be described with breakthrough pressure, and specific mensuration program is as follows：
1. rock core saturated water；
2. injecting the blocking agent of a certain amount of (1.5PV) with certain flow (25mL/min), testing process is that can add external pressure, have
The old process of water bath with thermostatic control；
3. the rock core of injection blocking agent is placed in closed container, placed for 24 hours in 60 DEG C of water bath with thermostatic control；
4. under conditions of 60 DEG C, 0.7MPa, with certain flow (50mL/min) water filling, until core holding unit exports
End flows down the first drop of liquid and constantly has liquid outflow later, and the reading of input end pressure gauge is the breakthrough pressure of blocking agent at this time
Pt。
The plugging strength of 2 profile control agent of table
| Core numbers | Length (cm) | Inject blocking agent (VP) | Fluid pressure (MPa) | Breakthrough pressure (MPa/m) |
| 4 | 4.9 | 1.5 | 1.26 | 25.7 |
| 5 | 5.2 | 1.5 | 1.32 | 25.4 |
From Table 2, it can be seen that the profile control agent plugging strength of slow degradation high temperature resistant high salinity provided by the invention is reachable
25MPa/m or more, and the plugging strength of profile control agent is only 14-20MPa/m at present, it is seen that profile control agent provided by the invention has very
High shut-off capacity is fully able to meet steam drive plugging strength requirement.
Embodiment 4
Present embodiments provide a kind of profile control agent of slow degradation high temperature resistant high salinity, by percentage to the quality, the profile control
The raw material group of agent becomes：
Benzoguanamine：4%；
Formalin：12%；
Diacetone Acrylamide：2%；
Diallyl phthalate：0.2%；
Sodium peroxydisulfate：0.2%；
Surplus is Donghe oilfield in Tarim sewage, and temperature is 40 DEG C, and salinity is 23 × 104mg/L；
The mass percent concentration of above-mentioned formalin is 37-40%.
The specific preparation process of the profile control agent is：
(1) melamine, formalin are added sequentially in 40 DEG C of oilfield sewage, are sufficiently stirred dissolving 20-
30min, mixing speed 50-200r/min；
(2) Diacetone Acrylamide, plasticizer, initiator are sequentially added into above-mentioned solution, continue stir 30min after i.e.
For the profile control agent of slow degradation high temperature resistant high salinity.
3 profile control agent heat resistance of table is tested
| Temperature, DEG C | 100 | 150 | 200 | 250 | 300 |
| State | Solid | Solid | Solid | A small amount of aquation | Aquation |
| Weight-loss ratio (%) | 0 | 5.5 | 13.9 | 18.7 | 64.3 |
After the profile control agent that embodiment 4 is provided condenses for static 24 hours completely, the test experiments of heat resistance are carried out to it,
Specifically follow the steps below：
The profile control agent of the slow degradation high temperature resistant high salinity of condensation is positioned in insulating box, every 24 hours, is adjusted permanent
Temperature of Warm Case tests its heat resistance, and the results are shown in Table 3 for the high-temperature circulation test of the profile control agent.
The test result of table 3 shows：The profile control agent of slow degradation high temperature resistant high salinity provided by the invention is in 250 DEG C of conditions
Under, it still is able to keep weight-loss ratio 20% hereinafter, not dehydration completely, this shows that profile control agent provided by the invention can bear 250
DEG C steam washes away, and heat resistance is excellent；With the raising of temperature, which increases, when temperature is more than 300 DEG C
When, profile control agent structure changes, and profile control agent aquation is very serious.
Embodiment 5
Present embodiments provide a kind of profile control agent of slow degradation high temperature resistant high salinity, by percentage to the quality, the profile control
The raw material of agent forms：
Melamine：3%；
Methenamine solution：8%；
Diacetone Acrylamide：1.2%；
Diallyl phthalate：0.15%；
Potassium peroxydisulfate：0.15%；
Surplus be Donghe oilfield in Tarim sewage, 40 DEG C, salinity 23 × 104mg/L；
The mass percent concentration of above-mentioned methenamine solution is 37-40%.
The specific preparation process of the profile control agent is：
(1) melamine, methenamine are added sequentially in 40 DEG C or more oilfield sewages, are sufficiently stirred dissolving 20-
30min, mixing speed 50-200r/min；
(2) Diacetone Acrylamide, plasticizer, initiator are sequentially added into above-mentioned solution；
(3) continue to stir after 30min be slow degradation high temperature resistant high salinity profile control agent.
The profile control agent that embodiment 5 is provided carries out high-temperature long term stability experiment, and it is long-term to profile control agent that table 4 reflects high temperature
The influence of stability.
The stability of profile control agent under 4 hot conditions of table
Note：Experimental temperature is 150 DEG C, and salinity is 23 × 104mg/L。
As can be seen from Table 4, the profile control agent of slow degradation high temperature resistant high salinity provided by the invention is at 150 DEG C, mineralising
Degree is 23 × 104Under the conditions of mg/L, stronger shut-off capacity can be kept up to 6 months or more, illustrate profile control provided by the invention
Agent high temperature resistance is good, under Donghe oilfield in Tarim ground environment, can gradually degrade.
Embodiment 6
The profile control agent that the present embodiment provides embodiment 5 has carried out single tube model core experiment, investigates its resistance to steam flush
Performance.
Experiment parameter：Core length：5.8cm；Drill core permeability rate：1152×10-3μm2；Pore volume：11.6cm3；Injection
Quality of steam：12g(10PV)；Implantation temperature：200℃；Inject flow：2g/min.
Experimental result is as shown in table 5.
5 fireflood of table envelope alters the resistance to steam flush performance in agent face
| Steam injection time, min | 5 | 10 | 20 | 30 | 40 | 50 | 60 |
| Sealing ratiod, % | 90.2 | 89.3 | 87.2 | 82.1 | 78.4 | 75.1 | 72.8 |
Table 5 the experimental results showed that, the profile control agent that the present invention is supplied to the steam flush time extension, at plastic structure
It is gradually destroyed, eventually forms aqueous solution and be discharged；When the vapour volume of injection is 10PV, sealing ratiod of the profile control agent to rock core
It is maintained at 70% or more, illustrates that profile control agent provided by the invention has stronger resistance to steam flush ability, meanwhile, the experiment of table 5
As a result also illustrate that profile control agent provided by the invention can effectively be degraded under high temperature action, the permeability of renwing stratum will not be dirty
Contaminate stratum.
Claims (24)
1. a kind of profile control agent of slow degradation high temperature resistant high salinity, by percentage to the quality, the raw material composition packet of the profile control agent
It includes：
Wherein, the plasticizer includes diallyl phthalate and/or diallyl isophthalate.
2. profile control agent according to claim 1, wherein：The fusing point of the melamine class monomer is at least 300 DEG C, decomposes
Temperature is at least 354 DEG C.
3. profile control agent according to claim 1 or 2, wherein：The melamine class monomer includes melamine and/or benzene
Substituted melamine.
4. profile control agent according to claim 1 or 2, wherein：The aldehydes includes formaldehyde.
5. profile control agent according to claim 1 or 2, wherein：The initiator is persulfate.
6. profile control agent according to claim 3, wherein：The initiator is persulfate.
7. profile control agent according to claim 4, wherein：The initiator is persulfate.
8. profile control agent according to claim 5, wherein：The initiator is sodium peroxydisulfate, potassium peroxydisulfate or ammonium persulfate.
9. the profile control agent described according to claim 6 or 7, wherein：The initiator is sodium peroxydisulfate, potassium peroxydisulfate or persulfuric acid
Ammonium.
10. according to claim 1-2,6-8 any one of them profile control agent, wherein：The heatproof temperature of the profile control agent is 250
℃。
11. profile control agent according to claim 3, wherein：The heatproof temperature of the profile control agent is 250 DEG C.
12. profile control agent according to claim 4, wherein：The heatproof temperature of the profile control agent is 250 DEG C.
13. profile control agent according to claim 5, wherein：The heatproof temperature of the profile control agent is 250 DEG C.
14. according to claim 1-2,6-8 any one of them profile control agent, wherein：The resistance to salinity of the profile control agent be 23 ×
104mg/L。
15. profile control agent according to claim 3, wherein：The resistance to salinity of the profile control agent is 23 × 104mg/L。
16. profile control agent according to claim 4, wherein：The resistance to salinity of the profile control agent is 23 × 104mg/L。
17. profile control agent according to claim 5, wherein：The resistance to salinity of the profile control agent is 23 × 104mg/L。
18. the preparation method of claim 1-17 any one of them profile control agents comprising following steps：
(1) melamine class monomer, aldehydes and/or methenamine are added to the water, form the first solution after stirring；
(2) Diacetone Acrylamide, plasticizer and initiator are added into above-mentioned first solution, stirring obtains the slow resistance to height of degradation
The profile control agent of warm high salinity.
19. the method according to claim 11, wherein：In step (1), the temperature of the water is at least 40 DEG C.
20. the method according to claim 11, wherein：In step (1), mixing time 20-30min.
21. the method according to claim 11, wherein：In step (1), mixing speed 50-200r/min.
22. the method according to claim 11, wherein：In step (2), mixing time 20-40min.
23. the method according to claim 11, wherein：Mixing time is 30min.
24. the method according to claim 11, wherein：In step (2), mixing speed 150r/min-1000r/
min。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610245136.8A CN105860947B (en) | 2016-04-19 | 2016-04-19 | A kind of profile control agent and preparation method thereof of slow degradation high temperature resistant high salinity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610245136.8A CN105860947B (en) | 2016-04-19 | 2016-04-19 | A kind of profile control agent and preparation method thereof of slow degradation high temperature resistant high salinity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105860947A CN105860947A (en) | 2016-08-17 |
| CN105860947B true CN105860947B (en) | 2018-10-16 |
Family
ID=56633364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610245136.8A Active CN105860947B (en) | 2016-04-19 | 2016-04-19 | A kind of profile control agent and preparation method thereof of slow degradation high temperature resistant high salinity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105860947B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111087990B (en) * | 2018-10-23 | 2022-03-15 | 中国石油化工股份有限公司 | High-temperature-resistant gel plugging agent composition and preparation method and application thereof |
| CN113773821B (en) * | 2020-06-10 | 2023-01-06 | 中国石油天然气股份有限公司 | High-temperature blockage-regulating cleanup additive and preparation method and application thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1687168A (en) * | 2005-04-04 | 2005-10-26 | 中国科学院广州化学研究所 | Method for preparing grouting material of modified polyacrylamide |
| CN101255260A (en) * | 2008-04-22 | 2008-09-03 | 王志鹏 | Heatproof salt-resistant cross-linking polymer system |
| CN101798455A (en) * | 2009-12-04 | 2010-08-11 | 中科院广州化灌工程有限公司 | Urethane acrylate grouting material capable of repeatedly re-expanding when meeting water and preparation method thereof |
| CN102649902A (en) * | 2012-04-21 | 2012-08-29 | 唐山冀油瑞丰化工有限公司 | Preparation method for high-temperature crosslinking agent for oil field tertiary oil recovery |
| CN102827595A (en) * | 2012-08-13 | 2012-12-19 | 中国石油天然气股份有限公司 | High temperature profile control agent injected with steam |
| CN103694974A (en) * | 2013-12-04 | 2014-04-02 | 天津大港油田滨港集团博弘石油化工有限公司 | Chromium-free crosslinking system |
| CN104230220A (en) * | 2006-11-17 | 2014-12-24 | 阿克佐诺贝尔股份有限公司 | Dry cement formulation for cementing holes in the earth |
| CN104277804A (en) * | 2014-10-23 | 2015-01-14 | 西南石油大学 | AM-DAAM-AMPS ternary polymer gel particle drive-adjusting reagent and synthesis method thereof |
| CN105086967A (en) * | 2015-05-22 | 2015-11-25 | 中国石油天然气股份有限公司 | Channeling preventing and plugging agent and construction method for controlling plugging and sealing channeling by utilizing channeling preventing and plugging agent |
| CN105440233A (en) * | 2015-12-10 | 2016-03-30 | 中国石油天然气股份有限公司 | Fireflooding channeling sealing agent and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2348089A1 (en) * | 2010-01-26 | 2011-07-27 | S.P.C.M. Sa | Water-soluble polymers for oil recovery |
-
2016
- 2016-04-19 CN CN201610245136.8A patent/CN105860947B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1687168A (en) * | 2005-04-04 | 2005-10-26 | 中国科学院广州化学研究所 | Method for preparing grouting material of modified polyacrylamide |
| CN104230220A (en) * | 2006-11-17 | 2014-12-24 | 阿克佐诺贝尔股份有限公司 | Dry cement formulation for cementing holes in the earth |
| CN101255260A (en) * | 2008-04-22 | 2008-09-03 | 王志鹏 | Heatproof salt-resistant cross-linking polymer system |
| CN101798455A (en) * | 2009-12-04 | 2010-08-11 | 中科院广州化灌工程有限公司 | Urethane acrylate grouting material capable of repeatedly re-expanding when meeting water and preparation method thereof |
| CN102649902A (en) * | 2012-04-21 | 2012-08-29 | 唐山冀油瑞丰化工有限公司 | Preparation method for high-temperature crosslinking agent for oil field tertiary oil recovery |
| CN102827595A (en) * | 2012-08-13 | 2012-12-19 | 中国石油天然气股份有限公司 | High temperature profile control agent injected with steam |
| CN103694974A (en) * | 2013-12-04 | 2014-04-02 | 天津大港油田滨港集团博弘石油化工有限公司 | Chromium-free crosslinking system |
| CN104277804A (en) * | 2014-10-23 | 2015-01-14 | 西南石油大学 | AM-DAAM-AMPS ternary polymer gel particle drive-adjusting reagent and synthesis method thereof |
| CN105086967A (en) * | 2015-05-22 | 2015-11-25 | 中国石油天然气股份有限公司 | Channeling preventing and plugging agent and construction method for controlling plugging and sealing channeling by utilizing channeling preventing and plugging agent |
| CN105440233A (en) * | 2015-12-10 | 2016-03-30 | 中国石油天然气股份有限公司 | Fireflooding channeling sealing agent and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105860947A (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105925255B (en) | A kind of high-temperature profile control diverting agent and its preparation method and application | |
| CN102559159B (en) | High-temperature resistant phenolic resin weak gel profile control plugging agent | |
| CN104974724B (en) | Gelling down hole sealing agent and its preparation method suitable for high temperature LOW PERMEABILITY RESERVOIR with high salt | |
| CN104017135B (en) | Method for preparing microbial polysaccharide modified copolymer gel plugging agent | |
| CN105820345B (en) | A kind of steam drives superhigh temperature envelope and alters agent and its preparation method and application | |
| CN105368425B (en) | A kind of regulating section of oil wells agent and its preparation and application | |
| CN105801760B (en) | A kind of heat safe profile control agent and preparation method thereof | |
| CN109294539A (en) | A kind of fireflood well environmental protection envelope alters agent and the preparation method and application thereof | |
| CN102533240B (en) | High-temperature oil reservoir composite modifying and flooding agent and preparing method and application thereof | |
| CN102952533B (en) | Composite cross-linked polymer weak gel oil displacement agent and preparation method thereof | |
| CN104357032A (en) | High-temperature resistant secondary cross-linked gel profile control agent and preparation method thereof | |
| CN103468230A (en) | Secondary crosslinking, profile modification and profile control agent, and preparation method and application thereof | |
| CN109369848A (en) | A kind of functional form temperature-resistant anti-salt plugging agent and preparation method thereof | |
| CN109294541A (en) | A kind of fireflood well self-degradation diverting agent and the preparation method and application thereof | |
| CN105368424A (en) | Intercalation delay in-situ polymerization water shutoff gel for high-temperature oil reservoir | |
| CN105860947B (en) | A kind of profile control agent and preparation method thereof of slow degradation high temperature resistant high salinity | |
| CN106479463A (en) | Retarded crosslinking high intensity frozen glue profile-controlling and plugging agent | |
| CN105062444A (en) | High temperature swellable granule plugging agent and preparation method thereof | |
| CN109486475A (en) | A kind of high temperature plugging agent and preparation method thereof | |
| CN104710568A (en) | Preparation method of retarding swelling anti-salt viscoelastic particle profile control agent | |
| CN102965093A (en) | Composite crosslinking deep profile control agent for oil reservoir deep profile control and preparation method thereof | |
| GB2237575A (en) | Programmed gelation of polymers using melamine resins | |
| CN104987857A (en) | High-salinity-resistant self-tackifying hydrophobically associating polymer gel plugging agent and preparing method thereof | |
| CN105820804B (en) | The oil deposit deep part fluid diversion chemical agent and its preparation method of resistance to high salinity and application | |
| CN105112034A (en) | High temperature resistant gel diverting agent and manufacturing method therefor and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |