CN107043617A - A kind of embrasure plugging liquid - Google Patents
A kind of embrasure plugging liquid Download PDFInfo
- Publication number
- CN107043617A CN107043617A CN201710273876.7A CN201710273876A CN107043617A CN 107043617 A CN107043617 A CN 107043617A CN 201710273876 A CN201710273876 A CN 201710273876A CN 107043617 A CN107043617 A CN 107043617A
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- Prior art keywords
- embrasure plugging
- plugging liquid
- embrasure
- liquid according
- accelerator
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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
- C09K8/44—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing organic binders only
-
- 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
- C09K2208/10—Nanoparticle-containing well treatment fluids
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- 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)
- Epoxy Resins (AREA)
Abstract
The invention provides a kind of embrasure plugging liquid, include the component of following mass content：60~70wt% resin base fluid, 10~18wt% diluent, 10~22wt% curing agent, 0.1~2wt% accelerator and 1~5wt% rigid proppant.The embrasure plugging fluid viscosity that the present invention is provided is low, 80 DEG C of viscosity can as little as 7mPas, good fluidity, into pit shaft after clean very well, will not hanging sleeve tube wall, pit shaft will not be polluted；There is the compression strength after very high intensity, solidification 48h up to 120MPa after solidification, bearing capacity is strong；Water-fast, oily, sour, alkali, heat resistance is good, and 48h weight loss is 0% under 15% hydrochloric acid solution or 1% sodium hydroxide solution, 120 DEG C of environment, available for oil-water well embrasure plugging.The embrasure plugging liquid and preparation method thereof that the present invention is provided is easy, it is adaptable to large-scale industrial production.
Description
Technical field
The present invention relates to oil gas field of engineering technology, more particularly to a kind of embrasure plugging liquid.
Background technology
Oil field is by exploitation for many years, after ultra-high water cut stage, there is oil well and penetrates that layers apart system is more, interlayer is poor
It is different it is big in terms of contradiction, while also there are the problem of casing failure is more.Due to the original such as electric-log interpretation mistake and perforation error
Cause, misses jetting layer and also happens occasionally, to realize later stage safely and effectively operation, these penetrate layer and must also shut by mistake.
Implement closure borehole in oil well has turned into an important technique measure of production of recovering the oil.And borehole is distributed in thousands of rice
In deep Oil/gas Well on the casing wall of oil reservoir position, in HTHP and with the environment of oil-water coexistence, this complex environment
Closure Oil/gas Well borehole is set to turn into a technical barrier.At present, cement mortar is answered because the low oil field at home and abroad of cost is wide
For blocking borehole, but its process risk is big, the deposition cure formation cement plug easily in pit shaft, and makees subsequently meeting pressure break
Industry, required bearing capacity is very high, generally to reach more than 90MPa, and intensity is difficult to meet requirement after grout cures.
The content of the invention
It is an object of the invention to provide a kind of embrasure plugging liquid.Embrasure plugging fluid viscosity that the present invention is provided is low, flowing
Property it is good, there is very high intensity, bearing capacity is strong after solidification.
The invention provides a kind of embrasure plugging liquid, include the component of following mass content：
60~70wt% resin base fluid；
10~18wt% diluent；
10~22wt% curing agent；
0.1~2wt% accelerator；
1~5wt% rigid proppant.
It is preferred that, the embrasure plugging liquid includes the component of following mass content：
63~67wt% resin base fluid；
13~16wt% diluent；
15~18wt% curing agent；
0.8~1.5wt% accelerator；
2~4wt% rigid proppant.
It is preferred that, the resin base fluid is included in epoxy resin, novolac epoxy resin, furane resins and organic siliconresin
It is one or more.
It is preferred that, the diluent includes one kind in acetone, ethanol, phenyl glycidyl ether and butyl glycidyl ether
Or it is a variety of.
It is preferred that, the curing agent includes one kind or many in polyamide, aliphatic amine, imidazoles, aromatic amine and anhydrides
Kind.
It is preferred that, the aliphatic amine includes TEPA and/or isophorone diamine.
It is preferred that, the accelerator includes the one or more in polyalcohol aminated compounds and inorganic alkaline compound.
It is preferred that, the rigid proppant includes micron silica and/or nano silicon.
It is preferred that, the granularity of the micron silica is 60~80 mesh.
It is preferred that, the particle diameter of the nano silicon is 20~80nm.
The invention provides a kind of embrasure plugging liquid, include the component of following mass content：60~70wt% resin base
Liquid, 10~18wt% diluent, 10~22wt% curing agent, 0.1~2wt% accelerator and 1~5wt% rigidity branch
Support agent.Embrasure plugging fluid viscosity that the present invention is provided is low, good fluidity, into pit shaft after clean very well, will not hanging sleeve tube wall, no
Pit shaft can be polluted；There is very high intensity, bearing capacity is strong after solidification；Water-fast, oily, sour, alkali, heat resistance is good.Experimental result
Show, the embrasure plugging liquid that provides of the present invention 80 DEG C viscosity can as little as 7mPas, the compression strength after solidification 48h is reachable
120MPa, 48h weight loss is 0% under 15% hydrochloric acid solution or 1% sodium hydroxide solution, 120 DEG C of environment.
Embodiment
The invention provides a kind of embrasure plugging liquid, include the component of following mass content：60~70wt% resin base
Liquid, 10~18wt% diluent, 10~22wt% curing agent, 0.1~2wt% accelerator and 1~5wt% rigidity branch
Support agent.
The embrasure plugging liquid that the present invention is provided includes 60~70wt% resin base fluid, preferably 63~67wt%.At this
In invention, the resin base fluid preferably includes one kind in epoxy resin, novolac epoxy resin, furane resins and organic siliconresin
Or it is a variety of.In the present invention, the solid content of the resin base fluid is preferably 60~70wt%, more preferably 64~66wt%.
The embrasure plugging liquid that the present invention is provided includes 10~18wt% diluent, preferably 13~16wt%.In this hair
In bright, the diluent preferably includes one kind or many in acetone, ethanol, phenyl glycidyl ether and butyl glycidyl ether
Kind.
The embrasure plugging liquid that the present invention is provided includes 10~22wt% curing agent, preferably 15~18wt%.In this hair
In bright, the curing agent preferably includes the one or more in polyamide, aliphatic amine, imidazoles, aromatic amine and anhydrides.At this
In invention, the aliphatic amine preferably includes TEPA and/or isophorone diamine.In the present invention, the imidazoles is excellent
Elect methylimidazole as；The aromatic amine is preferably m-xylene diamine；The anhydrides are preferably maleic anhydride.
The embrasure plugging liquid that the present invention is provided includes 0.1~2wt% accelerator, preferably 0.8~1.5wt%.At this
In invention, the accelerator preferably includes the one or more in polyalcohol aminated compounds and inorganic alkaline compound；It is described
Polyalcohol aminated compounds preferably includes triethanolamine and/or diethanol amine；The inorganic alkaline compound preferably includes hydrogen-oxygen
Change sodium and/or sodium carbonate.In the present invention, the accelerator can accelerate resin solidification, shorten hardening time.
The embrasure plugging liquid that the present invention is provided includes 1~5wt% rigid proppant, preferably 2~4wt%.In this hair
In bright, the rigid proppant preferably includes micron silica and/or nano silicon.In the present invention, the micron
The granularity of silica is preferably 60~80 mesh, more preferably 65~75 mesh；The particle diameter of the nano silicon is preferably 20
~80nm, more preferably 40~60nm.In the present invention, when the rigid proppant includes micron silica and nano-silica
During SiClx, the mass ratio of the micron silica and nano silicon is preferably 4~6:1, more preferably 4.5~5.5:1.
In the present invention, the rigid proppant improves plugging strength using bulky grain bridge formation, little particle fill pattern.
The present invention does not have special limitation to the preparation method of the embrasure plugging liquid, is known using those skilled in the art
Composition preparation method.In the present invention, the preparation of the embrasure plugging liquid be preferably by resin base fluid successively with
Diluent, curing agent, accelerator and rigid proppant mixing, obtain embrasure plugging liquid.
In the present invention, the mixing is preferably carried out under agitation；The speed of the stirring is preferably 2500~
3500r/min, more preferably 2800~3200r/min.In the present invention, the resin base fluid and the mixed stirring of diluent
Time is preferably 4~6min；It is preferably 4~6min with the mixed mixing time of the curing agent；Mixed with the accelerator
Mixing time afterwards is preferably 4~6min；It is preferably 4~6min with the mixed mixing time of the rigid proppant.
In order to further illustrate the present invention, the embrasure plugging liquid that the present invention is provided is carried out in detail with reference to embodiment
Description, but they can not be interpreted as limiting the scope of the present invention.
Embodiment 1:
(1) 70wt% epoxy resin and 13wt% butyl glycidyl ether are mixed, the stirring of 3000r/min speed
5min；
(2) 11wt% TEPA, 3000r/min speed stirring 5min are added；
(3) 2wt% triethanolamine, 3000r/min speed stirring 5min are added；
(4) silica that 4wt% granularities are 70 mesh is added, 3000r/min speed stirring 5min obtains embrasure plugging
Liquid.
Embodiment 2:
(1) 65wt% novolac epoxy resin and 12wt% acetone are mixed, 3000r/min speed stirring 5min；
(2) 21.9wt% polyamide, 3000r/min speed stirring 5min are added；
(3) 0.1wt% sodium hydroxide, 3000r/min speed stirring 5min are added；
(4) silica that 1wt% particle diameters are 20nm is added, 3000r/min speed stirring 5min obtains embrasure plugging
Liquid.
Embodiment 3:
(1) 67wt% organic siliconresin and 18wt% ethanol are mixed, 3000r/min speed stirring 5min；
(2) 12wt% isophorone diamine, 3000r/min speed stirring 5min are added；
(3) 1.5wt% triethanolamine, 3000r/min speed stirring 5min are added；
(4) silica that 1.5wt% particle diameters are 80nm is added, 3000r/min speed stirring 5min obtains embrasure plugging
Liquid.
Embodiment 4:
(1) butyl glycidyl ether of 40wt% epoxy resin, 25% organic siliconresin and 15wt% is mixed,
3000r/min speed stirs 5min；
(2) 16wt% TEPA, 3000r/min speed stirring 5min are added；
(3) 1wt% sodium hydroxide, 3000r/min speed stirring 5min are added；
(4) silica that 3wt% granularities are 70 mesh is added, 3000r/min speed stirring 5min obtains embrasure plugging
Liquid.
Embodiment 5:
(1) 65wt% novolac epoxy resin and 12wt% acetone are mixed, 3000r/min speed stirring 5min；
(2) 15.9wt% polyamide and 6wt% TEPA, 3000r/min speed stirring 5min are added；
(3) 0.1wt% sodium hydroxide, 3000r/min speed stirring 5min are added；
(4) silica that 1wt% particle diameters are 20nm is added, 3000r/min speed stirring 5min obtains embrasure plugging
Liquid.
The embrasure plugging liquid obtained respectively to embodiment 1~5 viscosity at different temperatures and curing performance are tested,
As a result it is as shown in table 1.
Anti- after the embrasure plugging liquid solidification obtained respectively to embodiment 1~5 is invaded dirty performance and tested, as a result such as table 2
It is shown.
The embodiment of the present invention of table 1 prepares the curing performance of embrasure plugging liquid
The embodiment of the present invention of table 2 prepares and anti-invades dirty performance after the solidification of embrasure plugging liquid
As can be seen from the above embodiments, the embrasure plugging fluid viscosity that provides of the present invention is low, good fluidity, into after pit shaft
Very well cleaning, will not hanging sleeve tube wall, pit shaft will not be polluted；There is very high intensity, bearing capacity is strong after solidification；Water-fast, oily,
Acid, alkali, heat resistance are good, available for oil-water well embrasure plugging.
Described above is only the preferred embodiment of the present invention, not makees any formal limitation to the present invention.Should
Point out, for those skilled in the art, under the premise without departing from the principles of the invention, if can also make
Dry improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of embrasure plugging liquid, includes the component of following mass content：
60~70wt% resin base fluid；
10~18wt% diluent；
10~22wt% curing agent；
0.1~2wt% accelerator；
1~5wt% rigid proppant.
2. embrasure plugging liquid according to claim 1, it is characterised in that include the component of following mass content：
63~67wt% resin base fluid；
13~16wt% diluent；
15~18wt% curing agent；
0.8~1.5wt% accelerator；
2~4wt% rigid proppant.
3. embrasure plugging liquid according to claim 1 or 2, it is characterised in that the resin base fluid includes epoxy resin, phenol
One or more in formaldehyde epoxy resin, furane resins and organic siliconresin.
4. embrasure plugging liquid according to claim 1 or 2, it is characterised in that the diluent includes acetone, ethanol, benzene
One or more in base glycidol ether and butyl glycidyl ether.
5. embrasure plugging liquid according to claim 1 or 2, it is characterised in that the curing agent includes polyamide, aliphatic
One or more in amine, imidazoles, aromatic amine and anhydrides.
6. embrasure plugging liquid according to claim 5, it is characterised in that the aliphatic amine include TEPA and/
Or isophorone diamine.
7. embrasure plugging liquid according to claim 1 or 2, it is characterised in that the accelerator includes polyalcohol amine
One or more in compound and inorganic alkaline compound.
8. embrasure plugging liquid according to claim 1 or 2, it is characterised in that the rigid proppant includes micron dioxy
SiClx and/or nano silicon.
9. embrasure plugging liquid according to claim 8, it is characterised in that the granularity of the micron silica is 60~80
Mesh.
10. embrasure plugging liquid according to claim 8, it is characterised in that the particle diameter of the nano silicon is 20~
80nm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710273876.7A CN107043617A (en) | 2017-04-20 | 2017-04-20 | A kind of embrasure plugging liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710273876.7A CN107043617A (en) | 2017-04-20 | 2017-04-20 | A kind of embrasure plugging liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107043617A true CN107043617A (en) | 2017-08-15 |
Family
ID=59545828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710273876.7A Pending CN107043617A (en) | 2017-04-20 | 2017-04-20 | A kind of embrasure plugging liquid |
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| Country | Link |
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| CN (1) | CN107043617A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111205837A (en) * | 2020-01-14 | 2020-05-29 | 郑州大学 | Single-component annular plugging agent and application method thereof |
| CN111218264A (en) * | 2018-11-27 | 2020-06-02 | 中国石油化工股份有限公司 | Resin plugging agent and preparation method thereof |
| CN115651616A (en) * | 2022-10-28 | 2023-01-31 | 中国石油天然气集团有限公司 | High-toughness resin plugging agent, preparation method thereof and plugging method of oil-gas well casing |
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| CN105001596A (en) * | 2015-07-09 | 2015-10-28 | 中国海洋石油总公司 | Synthetic cement and usage thereof |
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| US20080179059A1 (en) * | 2007-01-26 | 2008-07-31 | Nathan Hilleary | Downhole Preparation and Use of Thixotropic Cement Slurries |
| WO2016048332A1 (en) * | 2014-09-25 | 2016-03-31 | Halliburton Energy Services, Inc. | Composition including a curable resin and organophilically-modified clay for subterranean oil well applications |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111218264A (en) * | 2018-11-27 | 2020-06-02 | 中国石油化工股份有限公司 | Resin plugging agent and preparation method thereof |
| CN111218264B (en) * | 2018-11-27 | 2022-04-29 | 中国石油化工股份有限公司 | Resin plugging agent and preparation method thereof |
| CN111205837A (en) * | 2020-01-14 | 2020-05-29 | 郑州大学 | Single-component annular plugging agent and application method thereof |
| CN115651616A (en) * | 2022-10-28 | 2023-01-31 | 中国石油天然气集团有限公司 | High-toughness resin plugging agent, preparation method thereof and plugging method of oil-gas well casing |
| CN115651616B (en) * | 2022-10-28 | 2024-02-23 | 中国石油天然气集团有限公司 | High-toughness resin plugging agent, preparation method thereof and plugging method of oil-gas well casing |
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Application publication date: 20170815 |