CN109233767A - One kind can consolidate complex silicate salt envelope and alter system and preparation method thereof - Google Patents
One kind can consolidate complex silicate salt envelope and alter system and preparation method thereof Download PDFInfo
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- CN109233767A CN109233767A CN201811236710.9A CN201811236710A CN109233767A CN 109233767 A CN109233767 A CN 109233767A CN 201811236710 A CN201811236710 A CN 201811236710A CN 109233767 A CN109233767 A CN 109233767A
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- Prior art keywords
- cement
- consolidate
- silicate salt
- complex silicate
- preparation
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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
- C09K8/42—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
- C09K8/46—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement
- C09K8/467—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement containing additives for specific purposes
-
- 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
- C09K8/42—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
- C09K8/426—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells for plugging
-
- 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
- C09K8/5045—Compositions based on water or polar solvents containing inorganic compounds
-
- 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
- C09K8/514—Compositions based on water or polar solvents containing organic compounds macromolecular compounds of natural origin, e.g. polysaccharides, cellulose
Abstract
One kind can consolidate complex silicate salt envelope and alter system: it is characterized in that on the basis of by cement consumption, in terms of mass concentration, raw material composition includes: AL988 aqueous solution, C5 hydrogenated petroleum resin 0.05-0.15%, sodium carboxymethylcellulose 0.05-0.15%, triethanolamine 0.05-0.15%, cement；AL988 concentration of aqueous solution is 3000ppm, polymer dissolution time is 30min-1h: the present invention provides a kind of complex silicate salt envelopes to alter system, the system is polymer and cement compound system, is a kind of innovation system, solves the problems, such as that cement system easily precipitates, near wellbore zone is accumulated.Four kinds of adjuvants play synergistic effect, will not chemically react.Wherein polymer and sodium cellulose glycolate can effectively improve the suspendability of cement slurry, increase slurry viscosity, resistance to stratum water-reducible ability of the cement in the migration process of stratum can be improved, anti-dispersibility is strong.C5 hydrogenated petroleum resin is added, triethanolamine then solves cement and is difficult to cured problem.The contained cement solidification time is up to 10 hours in system, may be implemented to enter earth formation deep.
Description
Technical field
The present invention relates to oil recovery fields, and in particular to one kind can consolidate complex silicate salt envelope and alter system and preparation method thereof
Background technique
Since the 1990s, China oil field enters High water cut, ultra-high water cut stage, injection water to reservoir pore space,
It is big to form permeability height, duct radius easily in reservoir for the influence of the factors such as the effect of skeleton particle, cement and reservoir fluid
Macropore.It is required that blocking agent has comparable intensity, suitable curing time, price economy.
Cement is the profile control agent used earliest, has many advantages, such as that cheap, intensity is big, can be used for various temperature, until
It is modern still to have water-based cements, oil based cement, activated cement and developed in recent years ultra-fine in the major product studied and used
Cement.The mechanism of cement profile control is the closure realized using the impermeability after theing cement solidifies to fluid-channeling channel.Cement profile control
Also there is its limitation: since cement granules are big, being not easily accessible middle low permeability formation, therefore be not suitable for middle LOW PERMEABILITY RESERVOIR envelope and alter；
Curing time is short, it is difficult to enter and realize deep profile controlling；Anti- water flooding invasive ability is small, migration process also easily by reservoir
Layer water invasion dilution, so that it cannot be very likely formed by curing occluding body, thus the success rate blocked to high aquifer formation is low.
Complex silicate salt envelope can be consolidated the present invention provides one kind and alters system, this kind can consolidate complex silicate salt envelope and alter
The contained cement solidification time is up to 10 hours or more in system, can enter earth formation deep, and joined special copolymer in system,
Resistance to stratum water-reducible ability of the cement in the migration process of stratum can be improved, effectively improve the viscosity of slurry, anti-dispersibility
By force.The system is suitable for 30-90 DEG C of medium to high permeable loose sand oil accumulation.By to the filling of fluid-channeling channel inside, accumulation, whole glue
Knot realizes high-intensitive indepth plugging predominant water injection channel, expands floood conformance volume.It is configured with tap water, easily injects, constructs just
It is prompt.
Summary of the invention
In view of the above-mentioned problems, can consolidate complex silicate salt envelope the purpose of the present invention is to provide kind alters system and its preparation
Method.
The technical proposal adopted by the invention to solve the above technical problems is that: one kind can consolidate complex silicate salt envelope and alter body
System: it is characterized in that by the basis of cement consumption, in terms of mass concentration, raw material composition includes: that AL988 aqueous solution, C5 add hydrogen
Petropols 0.05-0.15%, sodium carboxymethylcellulose 0.05-0.15%, triethanolamine 0.05-0.15%, cement.
Further, AL988 concentration of aqueous solution is 3000ppm.
Further, the cement is the cement through being dried.
A kind of preparation method for consolidating complex silicate salt envelope and altering system: it is characterized by:
S1: raw material preparation: triethanolamine is added in stirring cup in the AL988 aqueous solution that accurate measurement concentration is 3000ppm
And sodium carboxymethylcellulose, stirring to sodium carboxymethylcellulose are completely dissolved；
S2: weighing cement in proportion, and cement is added rapidly to the aqueous solutions of polymers that S1 is prepared in whipping process
In, it quickly stirs, so that aqueous solutions of polymers and cement mixing are uniform, whole is in uniform slurry；
S3: it weighs C5 hydrogenated petroleum resin and is added in slurry and stir evenly.
Further, it is characterised in that: the additive amount of raw material is on the basis of cement consumption.
Further, it is characterised in that: in S1 step, triethanolamine is first added, adds sodium carboxymethylcellulose；It is added
Mixing speed afterwards are as follows: 300-500r/min.
Further, it is characterised in that: in S2 step, mixing speed 1000-2000r/min.
Further, it is characterised in that: in the S3 step, mixing speed 300-500r/min.
Further, it is characterised in that: C5 hydrogenated petroleum resin is milled to greater than 200 mesh.
The present invention has the advantages that
1, complex silicate salt envelope being consolidated the present invention provides one kind and altering system, which is that polymer is compounded with cement
System is a kind of innovation system, solves the problems, such as that cement system easily precipitates, near wellbore zone is accumulated.Four kinds of adjuvants play collaboration and make
With will not chemically react.Wherein polymer and sodium cellulose glycolate can effectively improve the suspendability of cement slurry, increase
Add slurry viscosity, resistance to stratum water-reducible ability of the cement in the migration process of stratum can be improved, anti-dispersibility is strong.C5 is added
Hydrogenated petroleum resin, triethanolamine then solve cement and are difficult to cured problem.The contained cement solidification time is up to 10 in system
Hour, it may be implemented to enter earth formation deep.
2, the present invention is suitable for 30-90 DEG C of medium to high permeable loose sand oil accumulation.By to the filling of fluid-channeling channel inside, heap
Product, whole cementing, realization high-intensitive indepth plugging predominant water injection channel, expansion floood conformance volume.3, provided by the invention one
It kind can consolidate complex silicate salt envelope and alter system, be configured with tap water, have that plugging strength is high, easily injection, construction is easily special
Point.
Specific embodiment
Complex silicate salt envelope can be consolidated the present invention provides one kind and alters system, this kind can consolidate complex silicate salt envelope and alter
The contained cement solidification time is up to 10 hours in system, and joined special copolymer in system, and cement can be improved and transport on stratum
The water-reducible ability in resistance to stratum during shifting, anti-dispersibility are strong.The system is suitable for 30-90 DEG C of medium to high permeable loose sand
Oil reservoir.Have the characteristics that plugging strength is high, easily inject, construct it is convenient.It is configured with tap water, the stratum of injection development fluid-channeling channel
Deep, by cementing to the filling of fluid-channeling channel inside, accumulation, entirety, realization high-intensitive indepth plugging predominant water injection channel expands
Floood conformance volume.AL988 aqueous solution of the invention is provided by Beijing Xi Tao Science and Technology Ltd., the key technical indexes are as follows:
Dissolution time: 30min-1h；Solid content: >=90%；Mesh number: 30 mesh；Water-insoluble :≤0.05%；Viscosity: >=mPa.s；UL is viscous
Degree: 2.0-6.5cps.
Embodiment one:
1. one kind can consolidate complex silicate salt envelope and alter system, it is characterised in that:
A, prepare following raw material
Polymer AL988 is 3000ppm, 0.05% (mass concentration, with cement of C5 hydrogenated petroleum resin dosage using concentration
On the basis of dosage, similarly hereinafter), sodium carboxymethylcellulose dosage 0.05%, triethanolamine dosage 0.05%.
2. the preparation method that sewage matches other functional polymer, it is characterised in that including walking as follows:
A, accurately measuring concentration is the AL988 aqueous solution 350ml of 3000ppm in stirring cup, and triethanolamine and carboxylic is added
Each 0.2g of sodium carboxymethylcellulose pyce, stirring to sodium carboxymethylcellulose are completely dissolved；Triethanolamine is first added, adds carboxymethyl fibre
Tie up plain sodium；Mixing speed after addition are as follows: 300r/min.
B, cement 466.7g is weighed in proportion, cement is added rapidly in aqueous solutions of polymers in whipping process, fastly
Speed stirring, mixing speed 1000r/min, so that aqueous solutions of polymers and cement mixing are uniform, whole is in uniform slurry.
C, it weighs C5 hydrogenated petroleum resin 0.2g and is added in slurry and stir evenly, mixing speed 300r/min.C5
Hydrogenated petroleum resin is milled to greater than 200 mesh.
Embodiment two:
1. one kind can consolidate complex silicate salt envelope and alter system, it is characterised in that:
A, prepare following raw material
Polymer AL988 is 3000ppm, 0.1% (mass concentration, with cement of C5 hydrogenated petroleum resin dosage using concentration
On the basis of dosage, similarly hereinafter), sodium carboxymethylcellulose dosage 0.1%, triethanolamine dosage 0.1%
2. the preparation method that sewage matches other functional polymer, it is characterised in that including walking as follows:
A, accurately measuring concentration is the AL988 aqueous solution 350ml of 3000ppm in stirring cup, and triethanolamine and carboxylic is added
Each 0.4g of sodium carboxymethylcellulose pyce, stirring to sodium carboxymethylcellulose are completely dissolved；Triethanolamine is first added, adds carboxymethyl fibre
Tie up plain sodium；Mixing speed after addition are as follows: 400r/min.
B, cement 466.7g is weighed in proportion, cement is added rapidly in aqueous solutions of polymers in whipping process, fastly
Speed stirring, so that aqueous solutions of polymers and cement mixing are uniform, mixing speed 1500r/min, whole is in uniform slurry.
C, it weighs C5 hydrogenated petroleum resin 0.4g and is added in slurry and stir evenly, mixing speed 300r/min.C5
Hydrogenated petroleum resin is milled to greater than 200 mesh.
Embodiment three:
1. one kind can consolidate complex silicate salt envelope and alter system, it is characterised in that:
A, prepare following raw material
Polymer AL988 is 3000ppm, 0.15% (mass concentration, with cement of C5 hydrogenated petroleum resin dosage using concentration
On the basis of dosage, similarly hereinafter), sodium carboxymethylcellulose dosage 0.15%, triethanolamine dosage 0.15%
2. the preparation method that sewage matches other functional polymer, it is characterised in that including walking as follows:
A, accurately measuring concentration is the AL988 aqueous solution 350ml of 3000ppm in stirring cup, and triethanolamine and carboxylic is added
Each 0.7g of sodium carboxymethylcellulose pyce, stirring to sodium carboxymethylcellulose are completely dissolved；Triethanolamine is first added, adds carboxymethyl fibre
Tie up plain sodium；Mixing speed after addition are as follows: 500r/min.
B, cement 466.7g is weighed in proportion, cement is added rapidly in aqueous solutions of polymers in whipping process, fastly
Speed stirring, so that aqueous solutions of polymers and cement mixing are uniform, whole is in uniform slurry, mixing speed 300r/min, whole
Body is in uniform slurry.
C, it weighs C5 hydrogenated petroleum resin 0.7g and is added in slurry and stir evenly, mixing speed 300r/min, C5
Hydrogenated petroleum resin is milled to greater than 200 mesh.
For these three embodiments, it is as shown in the table that the envelope made alters the test of system sealing characteristics:
Table one: system sealing characteristics test table is altered according to the envelope that embodiment one is prepared
The present invention carries out the test of simulation rock stratum using bead fill out sand tube, matches respectively according to the step of above-described embodiment one
Complex silicate salt envelope can be consolidated by, which producing, alters system, and configured envelope is then altered system respectively and injects three bead fill out sand tube
It is interior, it is put into baking oven maintenance for 24 hours, restores injection process after conserving after maintenance, the pressure of 30min is carried out according to the test temperature in table one
Drop test.The pressure that test starts is denoted as initial pressure, carries out pressure test again after 30min, is denoted as pressure after 30min.Thus
It is found that the pressure difference of embodiment one is 0.5MPa；The pressure difference of embodiment two is 0.5MPa；The pressure difference of embodiment three is
1.0MPa.It can be seen that from above-mentioned pressure difference, the complex silicate salt envelope that consolidates of the invention alters system with preferable closure effect
Fruit.It can be seen that from above-mentioned pressure difference, the complex silicate salt envelope that consolidates of the present embodiment alters system with preferable plugging effect.
Table two: system sealing characteristics test table is altered according to the envelope that embodiment two is prepared
The present invention carries out the test of simulation rock stratum using bead fill out sand tube, matches respectively according to the step of above-described embodiment two
Complex silicate salt envelope can be consolidated by, which producing, alters system, and configured envelope is then altered system respectively and injects three bead fill out sand tube
It is interior, it is put into baking oven maintenance and takes out bead fill out sand tube for 24 hours, after maintenance, the pressure of 30min is carried out according to the test temperature in table two
Test.When test starts, in one end plus-pressure of bead fill out sand tube, it is denoted as initial pressure, carries out pressure survey again after 30min
Examination, is denoted as pressure after 30min.It follows that the pressure difference that number 4 is tested is 0.4MPa；Number 5 test pressure difference be
0.2MPa；The pressure difference that number 6 is tested is 1.0MPa；It can be seen that from above-mentioned pressure difference, the present embodiment consolidates complex silicate
Salt envelope alters system with preferable plugging effect.
Table three: system sealing characteristics test table is altered according to the envelope that embodiment three is prepared
The present invention carries out the test of simulation rock stratum using bead fill out sand tube, matches respectively according to the step of above-described embodiment three
Complex silicate salt envelope can be consolidated by, which producing, alters system, and configured envelope is then altered system respectively and injects three bead fill out sand tube
It is interior, it is put into baking oven maintenance and takes out bead fill out sand tube for 24 hours, after maintenance, the pressure of 30min is carried out according to the test temperature in table one
Test.When test starts, in one end plus-pressure of bead fill out sand tube, it is denoted as initial pressure, carries out pressure survey again after 30min
Examination, is denoted as pressure after 30min.It follows that the pressure difference that number 7 is tested is 0.6MPa；Number 8 test pressure difference be
0.5MPa；The pressure difference that number 9 is tested is 1.0MPa；It can be seen that from above-mentioned pressure difference, the present embodiment consolidates complex silicate
Salt envelope alters system with preferable plugging effect.
In summary, preferable energy is blocked according to having under above three embodiments pressure test at different temperatures
Power, the complex silicate salt envelope that consolidates of the invention alter system with preferable plugging effect.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (9)
1. one kind can consolidate complex silicate salt envelope and alter system: it is characterized in that on the basis of by cement consumption, in terms of mass concentration,
Its raw material composition includes: AL988 aqueous solution, C5 hydrogenated petroleum resin 0.05-0.15%, sodium carboxymethylcellulose 0.05-
0.15%, triethanolamine 0.05-0.15%, cement.
2. one kind as described in claim 1 can consolidate complex silicate salt envelope and alter system: it is characterized by: AL988 aqueous solution
Concentration is 3000ppm, and polymer dissolution time is 30min-1h.
3. one kind as described in claim 1 can consolidate complex silicate salt envelope alter system: it is characterized by: the cement be through
The cement of drying process.
4. one kind as described in claim 1-4 any one can consolidate the preparation method that complex silicate salt envelope alters system: its
It is characterized in that:
S1: raw material preparation: triethanolamine and carboxylic is added in stirring cup in the AL988 aqueous solution that accurate measurement concentration is 3000ppm
Sodium carboxymethylcellulose pyce, stirring to sodium carboxymethylcellulose are completely dissolved；
S2: weighing cement in proportion, cement is added rapidly in the aqueous solutions of polymers that S1 is prepared in whipping process, fastly
Speed stirring, so that aqueous solutions of polymers and cement mixing are uniform, whole is in uniform slurry；
S3: it weighs C5 hydrogenated petroleum resin and is added in slurry and stir evenly.
5. one kind as claimed in claim 4 can consolidate the preparation method that complex silicate salt envelope alters system: it is characterized by:
Cement is added in the AL988 polymer solution stirred evenly.
6. one kind as claimed in claim 4 can consolidate the preparation method that complex silicate salt envelope alters system: it is characterized by:
In S1 step, triethanolamine is first added, adds sodium carboxymethylcellulose；Mixing speed after addition are as follows: 300-500r/min.
7. one kind as claimed in claim 4 can consolidate the preparation method that complex silicate salt envelope alters system: it is characterized by:
In S2 step, mixing speed 1000-2000r/min.
8. one kind as claimed in claim 4 can consolidate the preparation method that complex silicate salt envelope alters system: it is characterized by:
In S3 step, mixing speed 300-500r/min.
9. one kind as described in claim 1 can consolidate complex silicate salt envelope and alter system and preparation method thereof: it is characterized by:
C5 hydrogenated petroleum resin is milled to greater than 200 mesh.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811236710.9A CN109233767A (en) | 2018-10-23 | 2018-10-23 | One kind can consolidate complex silicate salt envelope and alter system and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811236710.9A CN109233767A (en) | 2018-10-23 | 2018-10-23 | One kind can consolidate complex silicate salt envelope and alter system and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110791266A (en) * | 2019-06-28 | 2020-02-14 | 大港油田集团有限责任公司 | Granular polymer channeling channel plugging agent and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1778751A (en) * | 2004-11-23 | 2006-05-31 | 新疆石油管理局钻井工艺研究院 | Thixotropic early enhanced low density cement slurry |
| CN1834195A (en) * | 2006-04-24 | 2006-09-20 | 淄博永麒化工技术开发有限公司 | Gas-check cement slurry for cementing of oil field |
| US20120202901A1 (en) * | 2009-06-15 | 2012-08-09 | Karcher Jeffery D | Cement compositions comprising particulate foamed elastomers and associated methods |
| US20140216746A1 (en) * | 2012-03-09 | 2014-08-07 | Halliburton Energy Services, Inc. | Plugging and Abandoning a Well Using a Set-Delayed Cement Composition Comprising Pumice |
| CN108147730A (en) * | 2017-05-10 | 2018-06-12 | 新疆华油技术服务股份有限公司 | A kind of sandstone oil reservoir macropore blocks compound water shutoff agent and preparation method thereof |
-
2018
- 2018-10-23 CN CN201811236710.9A patent/CN109233767A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1778751A (en) * | 2004-11-23 | 2006-05-31 | 新疆石油管理局钻井工艺研究院 | Thixotropic early enhanced low density cement slurry |
| CN1834195A (en) * | 2006-04-24 | 2006-09-20 | 淄博永麒化工技术开发有限公司 | Gas-check cement slurry for cementing of oil field |
| US20120202901A1 (en) * | 2009-06-15 | 2012-08-09 | Karcher Jeffery D | Cement compositions comprising particulate foamed elastomers and associated methods |
| US20140216746A1 (en) * | 2012-03-09 | 2014-08-07 | Halliburton Energy Services, Inc. | Plugging and Abandoning a Well Using a Set-Delayed Cement Composition Comprising Pumice |
| CN108147730A (en) * | 2017-05-10 | 2018-06-12 | 新疆华油技术服务股份有限公司 | A kind of sandstone oil reservoir macropore blocks compound water shutoff agent and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 魏璨等: "石油树脂应用与改性研究进展", 《工业催化》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110791266A (en) * | 2019-06-28 | 2020-02-14 | 大港油田集团有限责任公司 | Granular polymer channeling channel plugging agent and preparation method thereof |
| CN110791266B (en) * | 2019-06-28 | 2021-10-08 | 大港油田集团有限责任公司 | Granular polymer channeling channel plugging agent and preparation method thereof |
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Application publication date: 20190118 |