CN110257031A - Oil field microparticle hydrogel profile control water shutoff agent and preparation method thereof - Google Patents
Oil field microparticle hydrogel profile control water shutoff agent and preparation method thereof Download PDFInfo
- Publication number
- CN110257031A CN110257031A CN201910513803.XA CN201910513803A CN110257031A CN 110257031 A CN110257031 A CN 110257031A CN 201910513803 A CN201910513803 A CN 201910513803A CN 110257031 A CN110257031 A CN 110257031A
- Authority
- CN
- China
- Prior art keywords
- hydrogel
- profile
- controlling
- microparticle
- oil field
- 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.)
- Pending
Links
- 239000000017 hydrogel Substances 0.000 claims abstract description 62
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 55
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 55
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000011859 microparticle Substances 0.000 claims abstract description 43
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000003756 stirring Methods 0.000 claims abstract description 29
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 238000002360 preparation method Methods 0.000 claims abstract description 16
- 239000000314 lubricant Substances 0.000 claims abstract description 8
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims description 53
- 229940068984 polyvinyl alcohol Drugs 0.000 claims description 42
- 239000000377 silicon dioxide Substances 0.000 claims description 14
- 238000010792 warming Methods 0.000 claims description 9
- 239000006185 dispersion Substances 0.000 claims description 5
- QDMRQDKMCNPQQH-UHFFFAOYSA-N boranylidynetitanium Chemical compound [B].[Ti] QDMRQDKMCNPQQH-UHFFFAOYSA-N 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 238000004132 cross linking Methods 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 239000012153 distilled water Substances 0.000 claims description 2
- -1 polyethylene Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims description 2
- 240000007594 Oryza sativa Species 0.000 claims 1
- 235000007164 Oryza sativa Nutrition 0.000 claims 1
- 230000001476 alcoholic effect Effects 0.000 claims 1
- 238000004090 dissolution Methods 0.000 claims 1
- 235000009566 rice Nutrition 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 30
- 238000000034 method Methods 0.000 abstract description 6
- 239000002245 particle Substances 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 abstract description 3
- 239000005543 nano-size silicon particle Substances 0.000 abstract 2
- 235000012239 silicon dioxide Nutrition 0.000 abstract 2
- 239000000243 solution Substances 0.000 description 16
- 239000000499 gel Substances 0.000 description 7
- 239000002086 nanomaterial Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 239000004971 Cross linker Substances 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 150000002085 enols Chemical class 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
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
- 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
- C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
- C09K2208/34—Lubricant additives
Landscapes
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention provides a profile control and water shutoff agent for oil field microparticle hydrogel and a preparation method thereof, wherein the profile control and water shutoff agent comprises the following components in percentage by weight: 1-5% of polyvinyl alcohol solution, 0.1-1.0% of organic cross-linking agent, 0.01-0.05% of hydrophilic nano silicon dioxide, 3-10% of lubricant and the balance of water; the preparation method comprises the following steps: firstly, polyvinyl alcohol is heated and dissolved to prepare 1-5 wt% of solution, then hydrophilic nano silicon dioxide and an organic cross-linking agent with the formula amount are added, stirring is started, the temperature is raised to 60-80 ℃, reaction is carried out for a period of time to obtain high-molecular hydrogel, then the high-molecular hydrogel is transferred to a high-speed shearing tank, and a micro-particle hydrogel profile control and water plugging agent is obtained through a certain high-speed shearing process, wherein the particle size of the obtained micro-particle hydrogel profile control and water plugging agent is 100-500 mu m, the micro-particle hydrogel profile control and water plugging agent has good viscoelasticity and is easy to deform, and the micro-particle hydrogel profile control and water plugging agent can be used for profile control.
Description
Technical field
The invention belongs to the profile control and water plugging technology fields of oil field oil reservoir, and in particular to a kind of oil field microparticle hydrogel profile control
Water shutoff agent and preparation method thereof.
Background technique
Most oil reservoir use waterflooding extraction mode both at home and abroad at present.As water drive history is goed deep into, well water is note
Water develops oil fields common problem in development process.Since oil reservoir is original or heterogeneity raw afterwards, fluid stream
Difference and other reasons (such as operation failure, production measure mistake) are spent, it is easy to form in the earth formation after long-term injecting water exploitation
Water flow predominant pathway leads to phenomena such as water cone, water breakthrough, water fingering occur, causes oil well premature water breakthrough or water logging, reduces water filling wave
And coefficient, inefficient water drive or water filling inefficient cycle are formed, Development Response of Oilfield reduction is directly resulted in.
In the environment of low oil price, profile control and water plugging is more next as the steady oil control sailor section in cost-efficiently oil field and method
More it is taken seriously.At present both at home and abroad mainly by the way that polymer and crosslinking agent are injected stratum, closing well, which is waited, to coagulate, and forms frozen glue tamper
Achieve the purpose that improve reservoir heterogeneity.Profile control and water plugging polymer is mainly based on polyacrylamide and its derivative at present,
But many disadvantages are had also discovered in actual application, intensity declines rapidly after volume expansion grain water-swellable；The ground of frozen glue
Lower formation leads to the gelation time, gel strength, entrance of frozen glue vulnerable to a variety of function influences such as shearing, chemistry, absorption, dilution
Depth of stratum it is difficult to predict and influence the validity of profile control and water plugging；Polymer microballoon is a kind of size tunable, intensity is adjustable receives
Micron order profile control product, but needed in its production process using a large amount of mineral oil and emulsifier, higher cost and is easy to appear
The phenomenon that Produced Liquid emulsifies.
Summary of the invention
The purpose of the present invention is to provide a kind of oil field microparticle hydrogel profile-controlling and plugging agents and preparation method thereof, to overcome
Above-mentioned technological deficiency.
In order to solve the above technical problems, the present invention the following technical schemes are provided:
A kind of oil field microparticle hydrogel profile-controlling and plugging agent, which is characterized in that the group including following percentage
Point: poly-vinyl alcohol solution 1~5%, organic crosslinking agent 0.1~1.0%, hydrophilic silica 0.01~0.05%, lubrication
Agent 3~10%, surplus are water.
The organic crosslinking agent is organic boron titanium composite delay crosslinking agent JL-BTi, and the limited public affairs of safe chemical science and technology are moistened in Shaanxi
Department, crosslinking ratio are m (PVA solution): m (JL-BTi)=100:0.1~1.0.
The partial size of the hydrophilic silica is 20~30nm.
The lubricant is 5# technical white oil.
The preparation method of the oil field microparticle hydrogel profile-controlling and plugging agent, comprising the following steps:
S1 prepares poly-vinyl alcohol solution: weighing polyvinyl alcohol, is added in the distilled water for being 60 DEG C -90 DEG C to temperature, carries out
Stirring and dissolving obtains the poly-vinyl alcohol solution that mass percentage concentration is 1%-5%；
S2 prepares polyvinyl alcohol hydrogel: the hydrophilic silica of formula ratio, stirring being added into the water of formula ratio
To being completely dispersed, the prepared poly-vinyl alcohol solution of step S1 of formula ratio is then added, stirs to being completely dissolved, adds formula
The organic crosslinking agent of amount stirs 1h, stops stirring and is warming up to 60~80 DEG C, 3~5h of reaction obtains polyvinyl alcohol hydrogel；
S3 prepares microparticle hydrogel: polyvinyl alcohol hydrogel prepared by step S2 being put into cut groove, addition is matched
The lubricant just measured shears 10~60min, obtains microparticle hydrogel profile-controlling and plugging agent.
Poly-vinyl alcohol solution is polyvinyl alcohol 2688, polyvinyl alcohol 2699, polyvinyl alcohol 2488, poly- second in the step S1
At least one of enol 2499.
The capacity of cut groove is 0.5~1m in the step S33。
The shear rate of cut groove is 2000~6000r/min in the step S3.
Beneficial effects of the present invention:
1. the principle that the present invention is combined using surface-active polymer with nano material, the microparticle hydrogel tune of preparation
Water shutoff agent is cutd open with good injection efficiency and blocks efficiency；
2. polyvinyl alcohol itself is a kind of high molecular surfactant, the gel by being crosslinked preparation is with surface-active
The homogeneous phase gel of agent is able to maintain consistent surface-active in the migration process of stratum, has the effect of dispersion and emulsion crude oil, thus
Improve recovery ratio；
3. microparticle hydrogel profile-controlling and plugging agent prepared by the present invention is a kind of elastic gel, there is good viscoplasticity,
Deep profile controlling can be achieved；
3. the introducing of nano material improves the intensity and good ageing-resistant performance of gel, higher envelope is kept for a long time
Stifled intensity.
Specific embodiment
Embodiment 1
The present invention provides a kind of oil field microparticle hydrogel profile-controlling and plugging agent, the group including following percentage
Point: poly-vinyl alcohol solution 1~5%, organic crosslinking agent 0.1~1.0%, hydrophilic silica 0.01~0.05%, lubrication
Agent 3~10%, surplus are water.Preparation method are as follows: first polyvinyl alcohol heating for dissolving is prepared into 1~5wt% solution, then
The hydrophilic silica of formula ratio and the organic crosslinking agent of formula ratio is added, opens stirring and is warming up to 60~80 DEG C of reactions one
The section time obtains macromolecule hydrogel, is then transferred into high speed shear slot by certain high speed shear technique and obtains microparticle water
Gel profile-controlling and plugging agent, the partial size of gained microparticle hydrogel profile-controlling and plugging agent are 100 μm~500 μm, have good viscoelastic
Property, easy deformation can be used for the profile control and water plugging operation of hyposmosis ultra-low penetration oil field, be effectively improved water injection profile, raising oil recovering
Rate.
Embodiment 2
On the basis of embodiment 1, the poly-vinyl alcohol solution is polyvinyl alcohol 2688, polyvinyl alcohol 2699, polyethylene
At least one of alcohol 2488, polyvinyl alcohol 2499.Polyvinyl alcohol is that a kind of chemical property is stablized, have it is good it is acidproof, alkaline-resisting,
Dry heat resistance energy, polyvinyl alcohol are dissolved in water, but are practically insoluble in the water soluble polymer of organic solvent, both contain in molecule
There is the hydroxyl of hydrophily high activity, and contain hydrophobic acetyl group, thus there is surfactant.
The organic crosslinking agent is organic boron titanium composite delay crosslinking agent JL-BTi, and it is limited to moisten safe chemical science and technology purchased from Shaanxi
Company, crosslinking ratio are m (PVA solution): m (JL-BTi)=100:(0.1~1.0).
The present invention is on the basis of the profile control and water plugging present condition and developing tendency of system research oil field, using with surface-active
The polyvinyl alcohol of agent is crosslinked as macromolecule main body using organic boron titanium crosslinkers, and enhances to obtain by nano material
High intensity hydrogel, then high speed shear is prepared with good injection efficiency and the microparticle water-setting for effectively improving recovery ratio
Glue profile-controlling and plugging agent.
Embodiment 3
Nano material generally refers to new material of the size at least one dimension between l-100nm, and this scale is to be in
Jie between macroscopic material and microcosmic cluster sees state.Material in this scale has some peculiar properties.Oil gas field
The work scholars of exploitation work attempt to add nano material formation nano-fluid in oil displacement agent, change certain physics of oil displacement agent
Chemical property, to improve the recovery ratio of crude oil.Due to mature production technology and higher cost performance, nano silica at
For most important application material.Hydrophilic silica of the present invention selects model HL200, and particle size range is 20~
30nm is purchased from Shanghai Jing Ma Chemical Industry Science Co., Ltd.
The present invention improves the intensity of gel and good resistance to old by introducing nano material (hydrophilic silica)
Change performance, keeps higher plugging strength for a long time.
Embodiment 4
The preparation method of the oil field microparticle hydrogel profile-controlling and plugging agent, comprising:
(1) PVA solution is prepared
1800kg water is added in 3 tons of heating reaction kettles, opens stirring 200kg polyvinyl alcohol 2488, is warming up to 80 DEG C, after
Continuous stirring 1h obtains 10% 2488 solution of polyvinyl alcohol (being denoted as 10%PVA2488) to being completely dissolved.
(2) prepared by PVA hydrogel
It sequentially adds 2000kg water in 5 tons of reaction kettles, 0.5kg hydrophilic silica is added and stirs 30min to complete
Then the 10%PVA2488 of 1200kg is added in full dispersion, 40kg crosslinking agent JL-BTi is added to being completely dissolved in stirring 20min,
760kg water 10~40min of stirring is added to become larger to viscosity, stopping stirring being warming up to 60 DEG C of reaction 4h and obtains PVA hydrogel.
(3) prepared by microparticle hydrogel profile-controlling and plugging agent
Increase pressure 0.1MPa in reaction kettle by air compressor, it is 1.5m that 950kgPVA hydrogel, which is put to volume,3
Cut groove in, be added 50kg5# white oil, 3000r/min shear 15min, obtain microparticle hydrogel profile-controlling and plugging agent.
Embodiment 5
The preparation method of the oil field microparticle hydrogel profile-controlling and plugging agent, comprising:
(1) PVA solution is prepared
1800kg water is added in 3 tons of heating reaction kettles, opens stirring 200kg polyvinyl alcohol 2688, is warming up to 80 DEG C, after
Continuous stirring 1h obtains 10% 2488 solution of polyvinyl alcohol (being denoted as 10%PVA2688) to being completely dissolved.
(2) prepared by PVA hydrogel
It sequentially adds 2000kg water in 5 tons of reaction kettles, 0.5kg hydrophilic silica is added and stirs 30min to complete
Then the 10%PVA2488 of 1000kg is added in full dispersion, 50kg crosslinking agent JL-BTi is added to being completely dissolved in stirring 20min,
950kg water 10~40min of stirring is added to become larger to viscosity, stopping stirring being warming up to 60 DEG C of reaction 4h and obtains PVA hydrogel.
(3) prepared by microparticle hydrogel profile-controlling and plugging agent
Increase pressure 0.1MPa in reaction kettle by air compressor, it is 1.5m that 950kgPVA hydrogel, which is put to volume,3
Cut groove in, be added 50kg5# white oil, 4000r/min shear 30min, obtain microparticle hydrogel profile-controlling and plugging agent.
Embodiment 6
The preparation method of the oil field microparticle hydrogel profile-controlling and plugging agent, comprising:
(1) PVA solution is prepared
1800kg water is added in 3 tons of heating reaction kettles, opens stirring 100kg polyvinyl alcohol 2688,100kg polyvinyl alcohol
2499,80 DEG C are warming up to, continues to stir 1h to being completely dissolved, obtains 10% poly-vinyl alcohol solution (being denoted as 10%PVA-H).
(2) prepared by PVA hydrogel
It sequentially adds 2000kg water in 5 tons of reaction kettles, 1.0kg hydrophilic silica is added and stirs 30min to complete
Full dispersion, is then added the 10%PVA-H of 1500kg, and stirring 30min is added 100kg crosslinking agent JL-BTi, adds to being completely dissolved
Enter 400kg water 10~40min of stirring to become larger to viscosity, stopping stirring being warming up to 60 DEG C of reaction 4h and obtains PVA hydrogel.
(3) prepared by microparticle hydrogel profile-controlling and plugging agent
Increase pressure 0.1MPa in reaction kettle by air compressor, it is 1.5m that 950kgPVA hydrogel, which is put to volume,3
Cut groove in, be added 50kg5# white oil, 6000r/min shear 40min, obtain microparticle hydrogel profile-controlling and plugging agent.
Embodiment 7
Partial size is tested to microparticle hydrogel profile-controlling and plugging agent of the invention laser particle analyzer, as a result see the table below 1:
Table 1 is BT-9300Z type laser fineness gage test report
| Embodiment 4 | Embodiment 5 | Embodiment 6 | |
| D50 partial size (μm) | 354 | 226 | 160 |
The test of microparticle hydrogel profile-controlling and plugging agent prepared by embodiment 4-6 initial data is as shown in table 1, micro- in table
The median of grain hydrogel profile-controlling and plugging agent is 160 μm.
Embodiment 8
Seal-off effect test carried out to microparticle hydrogel profile-controlling and plugging agent of the invention, hydrogel sealing ratiod 94% with
On, it as a result see the table below 2:
Table 2 is that the seal-off effect of microparticle hydrogel profile-controlling and plugging agent is tested
Can be obtained by above-mentioned experimental data: prepared microparticle hydrogel profile-controlling and plugging agent partial size is 100 μm~500 μ
M has good viscoplasticity, and easy deformation can be used for the profile control and water plugging operation of hyposmosis ultra-low penetration oil field, and effectively drop improves water filling
Section improves oil recovery factor.
Claims (9)
1. a kind of oil field microparticle hydrogel profile-controlling and plugging agent, which is characterized in that the component including following percentage:
Poly-vinyl alcohol solution 1~5%, organic crosslinking agent 0.1~1.0%, hydrophilic silica 0.01~0.05%, lubricant 3
~10%, surplus is water.
2. a kind of oil field microparticle hydrogel profile-controlling and plugging agent according to claim 1, it is characterised in that: organic friendship
Connection agent is organic boron titanium composite delay crosslinking agent JL-BTi.
3. a kind of oil field microparticle hydrogel profile-controlling and plugging agent according to claim 2, it is characterised in that: the polyethylene
The crosslinking mass ratio of alcoholic solution and organic crosslinking agent is 100:(0.1~1.0).
4. a kind of oil field microparticle hydrogel profile-controlling and plugging agent according to claim 1, it is characterised in that: described hydrophilic to receive
The partial size of rice silica is 20~30nm.
5. a kind of oil field microparticle hydrogel profile-controlling and plugging agent according to claim 1, it is characterised in that: the lubricant
For 5# technical white oil.
6. a kind of preparation method of oil field microparticle hydrogel profile-controlling and plugging agent according to claim 1-5,
It is characterized in that, comprising the following steps:
S1 prepares poly-vinyl alcohol solution: weighing polyvinyl alcohol, is added in the distilled water for being 60 DEG C -90 DEG C to temperature, is stirred
Dissolution obtains the poly-vinyl alcohol solution that mass percentage concentration is 1%-5%；
S2 prepares polyvinyl alcohol hydrogel: the hydrophilic silica of formula ratio being added into the water of formula ratio, stirs to complete
Full dispersion, is then added the prepared poly-vinyl alcohol solution of step S1 of formula ratio, stirs to being completely dissolved, adds formula ratio
Organic crosslinking agent stirs 1h, stops stirring and is warming up to 60~80 DEG C, 3~5h of reaction obtains polyvinyl alcohol hydrogel；
S3 prepares microparticle hydrogel: polyvinyl alcohol hydrogel prepared by step S2 being put into cut groove, formula ratio is added
Lubricant, shear 10~60min, obtain microparticle hydrogel profile-controlling and plugging agent.
7. a kind of preparation method of oil field microparticle hydrogel profile-controlling and plugging agent according to claim 6, it is characterised in that:
Poly-vinyl alcohol solution is polyvinyl alcohol 2688, polyvinyl alcohol 2699, polyvinyl alcohol 2488, polyvinyl alcohol 2499 in the step S1
At least one of.
8. a kind of preparation method of oil field microparticle hydrogel profile-controlling and plugging agent according to claim 6, it is characterised in that:
The capacity of cut groove is 0.5~1m3 in the step S3.
9. a kind of preparation method of oil field microparticle hydrogel profile-controlling and plugging agent according to claim 6, it is characterised in that:
The shear rate of cut groove is 2000~6000r/min in the step S3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910513803.XA CN110257031A (en) | 2019-06-14 | 2019-06-14 | Oil field microparticle hydrogel profile control water shutoff agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910513803.XA CN110257031A (en) | 2019-06-14 | 2019-06-14 | Oil field microparticle hydrogel profile control water shutoff agent and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110257031A true CN110257031A (en) | 2019-09-20 |
Family
ID=67918194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910513803.XA Pending CN110257031A (en) | 2019-06-14 | 2019-06-14 | Oil field microparticle hydrogel profile control water shutoff agent and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110257031A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111087999A (en) * | 2020-01-10 | 2020-05-01 | 任丘市油联化工有限公司 | High-temperature-resistant profile control agent for oil extraction and preparation method thereof |
| CN112175594A (en) * | 2020-09-22 | 2021-01-05 | 西南石油大学 | Thermoplastic elastomer for profile control and water shutoff and preparation method thereof |
| CN114058029A (en) * | 2020-07-29 | 2022-02-18 | 中国石油化工股份有限公司 | Shear response type hydrogel and preparation method and application thereof |
| CN114106808A (en) * | 2021-11-29 | 2022-03-01 | 宁波锋成先进能源材料研究院有限公司 | Hydrogel particles and preparation method and application thereof |
| CN115044356A (en) * | 2022-08-12 | 2022-09-13 | 中海油田服务股份有限公司 | Profile control and flooding agent suitable for high-temperature and high-salinity oil reservoir and preparation method thereof |
| CN117363330A (en) * | 2023-10-23 | 2024-01-09 | 西南石油大学 | Method for preparing millimeter-sized granular gel particles by one-step molding |
| CN118580843A (en) * | 2024-08-06 | 2024-09-03 | 东营市科诺石油技术有限责任公司 | A deep profile control and water plugging material and preparation method thereof |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0186663A1 (en) * | 1984-06-25 | 1986-07-09 | Cities Service Oil & Gas | Gel and process for retarding fluid flow. |
| US4896723A (en) * | 1989-06-21 | 1990-01-30 | Mobil Oil Corporation | Cross-linked polyvinyl alcohols and oil reservoir permeability control therewith |
| US5015400A (en) * | 1986-10-09 | 1991-05-14 | Mobil Oil Corporation | Amino resins crosslinked polymer gels for permeability profile control |
| US5071890A (en) * | 1989-01-03 | 1991-12-10 | Mobil Oil Corp. | Composition for selective placement of polymer gels for profile control in thermal oil recovery |
| US5100952A (en) * | 1989-05-11 | 1992-03-31 | Mobil Oil Corporation | Organically crosslinked polyvinyl alcohol copolymeric gels for use under harsh reservoir conditions |
| US5834406A (en) * | 1996-03-08 | 1998-11-10 | Marathon Oil Company | Foamed gel for permeability reduction or mobility control in a subterranean hydrocarbon-bearing formation |
| WO2001000746A1 (en) * | 1999-06-24 | 2001-01-04 | Phillips Petroleum Company | Compositions and processes for oil field applications |
| EP1274802A1 (en) * | 2000-04-21 | 2003-01-15 | Benchmark Research & Technology, Inc. | Suspensions of water soluble polymers in surfactant free non-aqueous solvents |
| US20060289158A1 (en) * | 2005-06-28 | 2006-12-28 | Halliburton Energy Services, Inc. | Crosslinkable-polymer compositions and associated methods |
| CN101090916A (en) * | 2004-04-22 | 2007-12-19 | 赛拉尼斯控股股份有限公司 | Novel hydrogels based on polyvinyl alcohols and polyvinyl alcohol copolymers |
| CN104073228A (en) * | 2014-06-20 | 2014-10-01 | 武汉工程大学 | Method for preparing environmental-friendly type gel profile control agent |
| CN104910882A (en) * | 2015-04-09 | 2015-09-16 | 中国石油天然气股份有限公司 | Flexible gel particles and flexible gel particle plugging agent prepared from same |
| CN105441046A (en) * | 2015-11-25 | 2016-03-30 | 长江大学 | Hydrogen-bonding hydrogel suitable for plugging cracks and caves |
| CN106047324A (en) * | 2016-06-30 | 2016-10-26 | 中国石油大学(华东) | Reinforced gel dispersion deep profile control and flooding agent for low-permeability high-temperature high-salt oil reservoirs |
| CN107556991A (en) * | 2017-08-11 | 2018-01-09 | 中国石油天然气股份有限公司 | Production well deep airflow control agent and preparation method and application thereof |
| CN109679604A (en) * | 2019-01-28 | 2019-04-26 | 中国石油大学(华东) | A kind of salt tolerant high-temperature resistant water gel and the preparation method and application thereof |
-
2019
- 2019-06-14 CN CN201910513803.XA patent/CN110257031A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0186663A1 (en) * | 1984-06-25 | 1986-07-09 | Cities Service Oil & Gas | Gel and process for retarding fluid flow. |
| US5015400A (en) * | 1986-10-09 | 1991-05-14 | Mobil Oil Corporation | Amino resins crosslinked polymer gels for permeability profile control |
| US5071890A (en) * | 1989-01-03 | 1991-12-10 | Mobil Oil Corp. | Composition for selective placement of polymer gels for profile control in thermal oil recovery |
| US5100952A (en) * | 1989-05-11 | 1992-03-31 | Mobil Oil Corporation | Organically crosslinked polyvinyl alcohol copolymeric gels for use under harsh reservoir conditions |
| US4896723A (en) * | 1989-06-21 | 1990-01-30 | Mobil Oil Corporation | Cross-linked polyvinyl alcohols and oil reservoir permeability control therewith |
| US5834406A (en) * | 1996-03-08 | 1998-11-10 | Marathon Oil Company | Foamed gel for permeability reduction or mobility control in a subterranean hydrocarbon-bearing formation |
| WO2001000746A1 (en) * | 1999-06-24 | 2001-01-04 | Phillips Petroleum Company | Compositions and processes for oil field applications |
| EP1274802A1 (en) * | 2000-04-21 | 2003-01-15 | Benchmark Research & Technology, Inc. | Suspensions of water soluble polymers in surfactant free non-aqueous solvents |
| CN101090916A (en) * | 2004-04-22 | 2007-12-19 | 赛拉尼斯控股股份有限公司 | Novel hydrogels based on polyvinyl alcohols and polyvinyl alcohol copolymers |
| US20060289158A1 (en) * | 2005-06-28 | 2006-12-28 | Halliburton Energy Services, Inc. | Crosslinkable-polymer compositions and associated methods |
| CN104073228A (en) * | 2014-06-20 | 2014-10-01 | 武汉工程大学 | Method for preparing environmental-friendly type gel profile control agent |
| CN104910882A (en) * | 2015-04-09 | 2015-09-16 | 中国石油天然气股份有限公司 | Flexible gel particles and flexible gel particle plugging agent prepared from same |
| CN105441046A (en) * | 2015-11-25 | 2016-03-30 | 长江大学 | Hydrogen-bonding hydrogel suitable for plugging cracks and caves |
| CN106047324A (en) * | 2016-06-30 | 2016-10-26 | 中国石油大学(华东) | Reinforced gel dispersion deep profile control and flooding agent for low-permeability high-temperature high-salt oil reservoirs |
| CN107556991A (en) * | 2017-08-11 | 2018-01-09 | 中国石油天然气股份有限公司 | Production well deep airflow control agent and preparation method and application thereof |
| CN109679604A (en) * | 2019-01-28 | 2019-04-26 | 中国石油大学(华东) | A kind of salt tolerant high-temperature resistant water gel and the preparation method and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| 杜郢; 易先春; 蔡华兵; 宋金山; 高国生: "延缓交联弱凝胶调剖剂的室内研究", 《精细石油化工》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111087999A (en) * | 2020-01-10 | 2020-05-01 | 任丘市油联化工有限公司 | High-temperature-resistant profile control agent for oil extraction and preparation method thereof |
| CN114058029A (en) * | 2020-07-29 | 2022-02-18 | 中国石油化工股份有限公司 | Shear response type hydrogel and preparation method and application thereof |
| CN114058029B (en) * | 2020-07-29 | 2023-11-28 | 中国石油化工股份有限公司 | Shear response type hydrogel and preparation method and application thereof |
| CN112175594A (en) * | 2020-09-22 | 2021-01-05 | 西南石油大学 | Thermoplastic elastomer for profile control and water shutoff and preparation method thereof |
| CN114106808A (en) * | 2021-11-29 | 2022-03-01 | 宁波锋成先进能源材料研究院有限公司 | Hydrogel particles and preparation method and application thereof |
| CN115044356A (en) * | 2022-08-12 | 2022-09-13 | 中海油田服务股份有限公司 | Profile control and flooding agent suitable for high-temperature and high-salinity oil reservoir and preparation method thereof |
| CN115044356B (en) * | 2022-08-12 | 2022-10-25 | 中海油田服务股份有限公司 | Profile control and flooding agent suitable for high-temperature and high-salinity oil reservoir and preparation method thereof |
| CN117363330A (en) * | 2023-10-23 | 2024-01-09 | 西南石油大学 | Method for preparing millimeter-sized granular gel particles by one-step molding |
| CN118580843A (en) * | 2024-08-06 | 2024-09-03 | 东营市科诺石油技术有限责任公司 | A deep profile control and water plugging material and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110257031A (en) | Oil field microparticle hydrogel profile control water shutoff agent and preparation method thereof | |
| US11945995B2 (en) | Temporary plugging agent and preparation method thereof, and method for temporary plugging and fracturing of high-temperature reservoir | |
| CN104178102B (en) | Cross-linkable high-temperature-resistant residue-free multi-component copolymerization type fracturing fluid and preparation method thereof | |
| CN110079286B (en) | Delayed crosslinking gel composition for plugging and preparation method thereof | |
| CN104232071B (en) | Nonmetal cross-linking agent for ultrahigh-temperature fracturing fluid, preparation and application | |
| CN106883357A (en) | A kind of pre-crosslinked gel delays swollen microballoon profile control agent and its production and use | |
| CN106467736A (en) | A kind of fracturing fluid for shale pressure break and preparation method thereof | |
| CN113755151A (en) | Novel high-temperature-resistant nano composite zirconium cross-linking agent and preparation method and application thereof | |
| CN107686724A (en) | Ultralow-water-content carbon dioxide fracturing fluid and preparation method thereof | |
| CN102977878B (en) | Vegetable gelatin fracturing fluid and preparation method thereof | |
| CN109439310A (en) | high-temperature guanidine gum fracturing fluid and preparation method thereof | |
| CN107312517A (en) | A kind of preparation method of the ground composite crosslinking acid of Controllable cross-linking time | |
| CN107868659A (en) | A kind of high temperature resistant association type fracturing fluid and preparation method thereof | |
| CN112980407B (en) | Temperature-controllable gel plugging agent and preparation method and application thereof | |
| CN104927005B (en) | A kind of alkaline-resisting profile control agent of pre-crosslinked gel volume expansion grain and preparation method thereof and purposes | |
| Tian et al. | Synthesis of high strength agar and its water plugging application in enhanced oil recovery | |
| CN103808632A (en) | Rheometer-based method for testing temperature-resisting and shearing-resisting performance of fracturing fluid | |
| CN103773352A (en) | Foam flow fracturing fluid | |
| WO2024131572A1 (en) | Temporary plugging agent composition, temporary plugging agent, preparation method therefor, and use thereof | |
| CN1277897C (en) | Deep compact gas pool fracturing liquid | |
| CN105238371B (en) | A kind of polyethylene wax pattern drilling fluid and preparation method thereof | |
| CN103808630A (en) | Method for testing rheological parameters of fracturing fluid | |
| CN215414662U (en) | Shearing slurry-preparing high-temperature high-pressure curing device | |
| CN114806521B (en) | Preparation method of shear thickening temporary plugging agent, plugging agent and evaluation method | |
| CN104877657B (en) | A kind of raising recovery ratio fracturing fluid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190920 |