CN112341999A - Epoxy resin well cementation plugging system and preparation method and application thereof - Google Patents
Epoxy resin well cementation plugging system and preparation method and application thereof Download PDFInfo
- Publication number
- CN112341999A CN112341999A CN202011143063.4A CN202011143063A CN112341999A CN 112341999 A CN112341999 A CN 112341999A CN 202011143063 A CN202011143063 A CN 202011143063A CN 112341999 A CN112341999 A CN 112341999A
- Authority
- CN
- China
- Prior art keywords
- epoxy resin
- curing agent
- parts
- plugging system
- well cementation
- 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
Images
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
- C09K8/42—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
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)
- Epoxy Resins (AREA)
Abstract
The invention relates to an epoxy resin well cementation plugging system and a preparation method and application thereof, wherein the plugging system comprises the following components in parts by mass: 100 parts of epoxy resin, 5-25 parts of curing agent A, 5-30 parts of curing agent B, 2-40 parts of curing agent C and 0-200 parts of density regulator. The resin plugging system provided by the invention has the characteristics of adjustable setting time, adjustable system density, high compressive strength, good flexibility and the like, is suitable for the treatment of the annular zone kill well, and can effectively solve the problems of mutual channeling among underground oil, water and gas layers and the like.
Description
Technical Field
The invention relates to a well cementation plugging system, in particular to an epoxy resin well cementation plugging system and a preparation method and application thereof.
Background
The packing performance of the set cement mainly depends on the ultralow permeability of the set cement, but the set cement is an alkaline material solidified body and is easy to be corroded by an acidic medium, so that the cementing structure of the set cement is damaged by corrosion, the permeability is increased, and a channeling channel is easy to form in an annular space. Because the cement has the characteristics of poor cementation, poor well cementation quality, poor packing performance in the whole life cycle and the like, the well cementation is easy to occur in a complex stratum at the later stage of well cementation, and micro annular gaps or micro cracks and the like are formed in subsequent operation, so that the annular pressure is caused, and the subsequent mining operation is seriously influenced. The resin is a liquid material, is easy to enter microcracks, microporosities and micro-annular gaps, has excellent cementing capacity (far higher than cement), can enter a slurry filter cake to cement slurry particle materials, improves the cementing strength of two interfaces, and can plug the formed microcracks or micro-annular gaps so as to solve the problem of annular pressure; the resin solidified body is a space network structure at a molecular level, has the advantages of high strength, high elastic toughness and low permeability, and can completely overcome the inherent problems of cement well cementation.
The existing resin plugging system has two resin systems of a hydrophilic type and a lipophilic type, and the hydrophilic type system is not completely solidified or has sharp reduction of compressive strength in the water environment, so that the construction in the underground water-containing environment is not facilitated. The oleophilic resin is applied more, but the system viscosity is larger, the density range is narrower, the solidification time is not easy to adjust, and certain brittleness exists after solidification, so that the oleophilic resin can only meet the construction requirements of partial wells.
Disclosure of Invention
In view of the above, the main object of the present invention is to provide an epoxy resin well cementation plugging system, and a preparation method and an application thereof, wherein the well cementation plugging system has the advantages of simple composition, large density span, wide application range, simple production process and low construction cost. Little pollution to slurry and high bonding strength with cement sheath, casing and the like.
The purpose of the invention and the technical problem to be solved are realized by adopting the following technical scheme. The invention provides an epoxy resin well cementation plugging system which comprises the following components in parts by weight: 100 parts of epoxy resin; 5-25 parts of curing agent A; 5-30 parts of a curing agent B; 2-40 parts of a curing agent C; 0-200 parts of density regulator.
Preferably, in the epoxy resin cementing and plugging system, the epoxy resin cementing and plugging system contains the following components in parts by mass: 100 parts of epoxy resin; 5-20 parts of curing agent A; 5-15 parts of a curing agent B; 5-23 parts of a curing agent C; 0-160 parts of density regulator.
Preferably, in the epoxy resin cementing and plugging system, the epoxy resin is selected from one of bisphenol a epoxy resin, glycidyl ester epoxy resin, linear aliphatic epoxy resin and alicyclic epoxy resin.
Preferably, in the epoxy resin well cementation and plugging system, the epoxy resin is selected from bisphenol a type epoxy resin, and a diluent accounting for 5 wt% -15 wt% of the bisphenol a type epoxy resin is added; the diluent is selected from one of ethyl acetate and butyl acetate.
Preferably, in the epoxy resin well cementation and plugging system, the curing agent a is an aliphatic polyamine mixture; the aliphatic polyamine mixture comprises the following components in percentage by mass: 80% -90% of polyether amine; 10 to 20 percent of diethylenetriamine.
Preferably, in the epoxy resin cementing and plugging system, the aliphatic polyamine mixture comprises, by mass: 90% of polyether amine; 10 percent of diethylenetriamine.
Preferably, in the epoxy resin well cementation and plugging system, the curing agent B is an aliphatic amine, and the aliphatic amine is one selected from 5-amino-1, 3, 3-trimethylcyclohexylmethylamine and trimethylhexamethylenediamine, preferably 5-amino-1, 3, 3-trimethylcyclohexylmethylamine.
Preferably, in the epoxy resin well cementation and plugging system, the curing agent C is selected from one of aryl diethyl-aryl-methyl phenylenediamine, diethyl toluene diamine and 1, 2-diaminocyclohexane.
Preferably, in the epoxy resin well cementation and plugging system, the density regulator is selected from one of iron ore powder, barite and calcium carbonate.
Preferably, in the epoxy resin well cementation and plugging system, the density regulator is iron ore powder with a density of 4.80g/cm3The grain diameter is larger than 120 meshes.
The purpose of the invention and the technical problem to be solved are realized by adopting the following technical scheme. The preparation method of the epoxy resin plugging system provided by the invention comprises the following steps: and sequentially adding the curing agent A, the curing agent B and the curing agent C into the epoxy resin according to the proportion, and uniformly mixing to obtain the epoxy resin well cementation plugging system.
Preferably, in the preparation method of the epoxy resin cementing and plugging system, the method further comprises: after being mixed and stirred evenly, the density regulator is added in proportion and mixed and stirred evenly.
Preferably, in the preparation method of the epoxy resin well cementation and plugging system, the rotation speed of the mixing is 500-1500 rpm, and the mixing can be performed at a high speed, so that the density regulator can be mixed and stirred more uniformly, and the slurry is more stable.
The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures. The use method of the epoxy resin well cementation and plugging system provided by the invention comprises the following steps: and filling the epoxy resin well cementation plugging system in a gap or a crack between the cement sheath and the casing, and solidifying.
Preferably, the method for using the epoxy resin well cementation and plugging system comprises the following steps: and filling the epoxy resin well cementation and plugging system into a gap or a crack between the cement sheath and the casing according to the suction volume tested in advance, and solidifying.
By the technical scheme, the epoxy resin high-strength well cementation plugging system and the preparation method and the application thereof provided by the invention at least have the following advantages:
1. the epoxy resin high-strength well cementation plugging system provided by the invention has stable performance of raw materials and simple preparation method, and is beneficial to field construction operation;
2. the epoxy resin high-strength well cementation plugging system provided by the invention has good cementing strength with pad fluid (flushing fluid), a cement sheath and slurry and high annular interface cementing strength. The epoxy resin high-strength well cementation plugging system can meet the field construction conditions, and the use temperature is 20-120 ℃;
3. the epoxy resin high-strength well cementation plugging system provided by the invention has the advantages of controllable solidification time, high compressive strength and high plugging success rate, and can be popularized and used in oil fields.
The foregoing is a summary of the present invention, and in order to provide a clear understanding of the technical means of the present invention and to be implemented in accordance with the present specification, the following is a detailed description of the preferred embodiments of the present invention.
Drawings
Fig. 1 is a schematic diagram of a test mold structure of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description will be given to an epoxy resin high-strength well cementation plugging system and its preparation method and application, in conjunction with the preferred embodiments. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
The invention provides an epoxy resin well cementation and plugging system which comprises the following components in parts by mass: 100 parts of epoxy resin; 5-25 parts of curing agent A; 5-30 parts of a curing agent B; 2-40 parts of a curing agent C; 0-200 parts of density regulator.
In specific implementation, the epoxy resin cementing and plugging system preferably comprises the following components in parts by mass: 100 parts of epoxy resin; 5-20 parts of curing agent A; 5-15 parts of a curing agent B; 5-23 parts of a curing agent C; 0-200 parts of density regulator. After the optimization, the resin system has adjustable density, good fluidity and low pumping pressure, can meet the requirement of annular plugging operation of wells with different well types, and has adjustable thickening time, high cementing strength, obvious plugging effect and high one-time success rate.
In a specific embodiment, the epoxy resin is selected from one of bisphenol a epoxy resin, glycidyl ester epoxy resin, linear aliphatic epoxy resin and alicyclic epoxy resin.
In specific implementation, the epoxy resin is selected from bisphenol A type epoxy resin, and a diluent accounting for 5 wt% -15 wt% of the bisphenol A type epoxy resin is added into the bisphenol A type epoxy resin; the diluent is selected from one of ethyl acetate and butyl acetate. The bisphenol A epoxy resin does not generate micromolecular volatile matters basically during curing, can be molded at low pressure and can be dissolved in various solvents; the cured product has high strength and bonding strength, high corrosion resistance and electrical property, and certain toughness and heat resistance. After the diluent is added, the viscosity is lower, the reaction is more sufficient, the field construction is more facilitated, and the cementing quality is better.
In specific implementation, the curing agent A is an aliphatic polyamine mixture; the aliphatic polyamine mixture comprises the following components in percentage by mass: 80% -90% of polyether amine; 10 to 20 percent of diethylenetriamine.
In specific implementation, the aliphatic polyamine mixture comprises the following components in percentage by mass: 90% of polyether amine; 10% of diethylenetriamine; the mixture curing agent A formed after optimization has the characteristics of low viscosity, high fluidity, good wetting property and the like, can quickly cure the epoxy resin at low temperature, has high compressive strength, and can be used as an accelerator.
In a specific implementation, the curing agent B is aliphatic amine, and the aliphatic amine is selected from one of 5-amino-1, 3, 3-trimethylcyclohexylmethylamine and trimethylhexamethylenediamine, preferably 5-amino-1, 3, 3-trimethylcyclohexylmethylamine; the optimized curing agent has low viscosity, better mechanical property after being solidified with the epoxy resin and moderate solidification speed, and can be used for a medium-deep well plugging system.
In specific implementation, the curing agent C is selected from one of aryl diethyl-aryl-methyl phenylenediamine, diethyl toluene diamine and 1, 2-diaminocyclohexane, and is preferably aryl diethyl-aryl-methyl phenylenediamine; the curing agent after optimization has low viscosity, good mechanical property after being solidified with the epoxy resin, and low solidification speed, can be used for reducing the solidification speed, and can also be used for a deep well plugging system.
In specific implementation, the density regulator is selected from one of iron ore powder, barite and calcium carbonate.
In specific implementation, the density regulator is iron ore powder with the density of 4.80g/cm3The grain diameter is larger than 120 meshes and smaller than 400 meshes; if the particle size of the iron ore powder is less than 120 meshes, the iron ore powder and the epoxy resin are easy to separate and settle; if the particle size of the iron ore powder is larger than 400 meshes, slurry thickening is easy to occur when the iron ore powder is mixed with epoxy resin, and the fluidity is extremely low, so that the iron ore powder is not beneficial to field construction.
The invention also provides a preparation method of the epoxy resin plugging system, which comprises the following steps: and sequentially adding the curing agent A, the curing agent B and the curing agent C into the epoxy resin according to the proportion, and uniformly mixing to obtain the epoxy resin well cementation plugging system.
When the concrete implementation, still include: after being mixed and stirred uniformly, the density regulator is added in proportion and mixed and stirred uniformly, so that the density can be better regulated to meet the well construction of different well conditions.
During specific implementation, the mixing speed is 500-1500 rpm, the density regulator can be uniformly mixed by stirring at a high speed, the slurry is more stable, a high-strength epoxy resin plugging system is formed, and the density of the plugging system meets the design requirement.
The invention also provides a use method of the epoxy resin well cementation and plugging system, which comprises the following steps: and filling the epoxy resin well cementation plugging system in a gap or a crack between the cement sheath and the casing, and solidifying.
In specific implementation, the using method comprises the following steps: and filling the epoxy resin well cementation and plugging system into a gap or a crack between the cement sheath and the casing according to the suction volume tested in advance, and solidifying.
In specific implementation, wellhead pressure occurs after well cementation, so that the factors of the pressure are that the sealing quality of a downhole cement sheath and a stratum or a casing is poor, and a channeling channel occurs; or the crack appears at the weak sealing part due to the subsequent drilling operation of the well cementation, and an upward channeling channel is formed. The channels are filled with slurry, so that when the resin is used for plugging, a resin system and a contact surface form a stable space net structure, the cementing strength is high, the upward-moving channel is plugged, and the problem of wellhead pressure is solved. The plugging system with high cementing strength determines the solidification time of the plugging system by adjusting the addition of the curing agent, and adjusts the density of the plugging system by the density regulator so as to meet the requirements of on-site underground construction.
The invention also provides a method for testing the cementing strength of the epoxy resin well cementation and plugging system, which comprises the following steps: pouring the resin plugging system into a prepared test mold 20 shown in figure 1, curing for 72 hours at 60 ℃ under 21MPa, and then carrying out a bonding strength test to obtain the bonding strength.
In specific implementation, the bond strength test specifically comprises:
after the test mold 20 shown in fig. 1 is soaked in the oil-based mud for 10min, the test mold is washed by clean water at the rotating speed of 100 r/min for 5min, the resin plugging system mud is poured into the test mold 20, and is cured and solidified for 72h under the conditions of 60 ℃ and 21MP pressure, so that the bonding strength is obtained, and then the bonding strength of each embodiment and each comparative example is tested.
As shown in fig. 1, the test mold 20 includes a tube cavity 21, an upper cover and a lower cover (not shown) are respectively screwed to two ends of the tube cavity 21, and a cavity wall of the tube cavity 21 is used for cementing resin.
Example 1
The embodiment provides an epoxy resin well cementation and plugging system which comprises the following components in parts by mass: 100 parts of epoxy resin; 15 parts of a curing agent A; 10 parts of a curing agent B; 10 parts of a curing agent C; 0 part of density regulator.
Example 2
The embodiment provides an epoxy resin well cementation and plugging system which comprises the following components in parts by mass: 100 parts of epoxy resin; 5 parts of a curing agent A; 7 parts of a curing agent B; 23 parts of a curing agent C; 0 part of density regulator.
Example 3
The embodiment provides an epoxy resin well cementation and plugging system which comprises the following components in parts by mass: 100 parts of epoxy resin; 5 parts of a curing agent A; 7 parts of a curing agent B; 23 parts of a curing agent C; 30 parts of density regulator.
Example 4
The embodiment provides an epoxy resin well cementation and plugging system which comprises the following components in parts by mass: 100 parts of epoxy resin; 5 parts of a curing agent A; 7 parts of a curing agent B; 23 parts of a curing agent C; and 90 parts of a density regulator.
Example 5
The embodiment provides an epoxy resin well cementation and plugging system which comprises the following components in parts by mass: 100 parts of epoxy resin; 5 parts of a curing agent A; 7 parts of a curing agent B; 23 parts of a curing agent C; 160 parts of density regulator.
Example 6
The embodiment provides an epoxy resin well cementation and plugging system which comprises the following components in parts by mass: 100 parts of epoxy resin; 10 parts of a curing agent A; 25 parts of a curing agent B; 15 parts of a curing agent C; 120 parts of density regulator.
Example 7
The embodiment provides an epoxy resin well cementation and plugging system which comprises the following components in parts by mass: 100 parts of epoxy resin; 20 parts of a curing agent A; 15 parts of a curing agent B; 10 parts of a curing agent C; 160 parts of density regulator.
Example 8
The embodiment provides an epoxy resin well cementation and plugging system which comprises the following components in parts by mass: 100 parts of epoxy resin; 25 parts of a curing agent A; 7 parts of a curing agent B; 2 parts of a curing agent C; 160 parts of density regulator.
Example 9
The embodiment provides an epoxy resin well cementation and plugging system which comprises the following components in parts by mass: 100 parts of epoxy resin; 20 parts of a curing agent A; 6 parts of a curing agent B; 30 parts of a curing agent C; and 200 parts of a density regulator.
Example 10
The embodiment provides an epoxy resin well cementation and plugging system which comprises the following components in parts by mass: 100 parts of epoxy resin; 5 parts of a curing agent A; 30 parts of a curing agent B; 40 parts of a curing agent C; and 180 parts of a density regulator.
Comparative example 1
The embodiment provides an epoxy resin system, which comprises the following components in parts by weight: 100 parts of epoxy resin; 35 parts of a curing agent A; 0 part of curing agent B; 0 part of curing agent C; 0 part of density regulator.
Comparative example 2
The embodiment provides an epoxy resin system, which comprises the following components in parts by weight: 100 parts of epoxy resin; 0 part of curing agent A; 35 parts of a curing agent B; 0 part of curing agent C; 0 part of density regulator.
Comparative example 3
The embodiment provides an epoxy resin system, which comprises the following components in parts by weight: 100 parts of epoxy resin; 0 part of curing agent A; 0 part of curing agent B; 35 parts of a curing agent C; 0 part of density regulator.
Comparative example 4
The embodiment provides an epoxy resin system, which comprises the following components in parts by weight: 100 parts of epoxy resin; 5 parts of a curing agent A; 30 parts of a curing agent B; 0 part of curing agent C; 0 part of density regulator.
Comparative example 5
The embodiment provides an epoxy resin system, which comprises the following components in parts by weight: 100 parts of epoxy resin; 0 part of curing agent A; 7 parts of a curing agent B; 28 parts of a curing agent C; 0 part of density regulator.
Comparative example 6
The embodiment provides an epoxy resin system, which comprises the following components in parts by weight: 100 parts of epoxy resin; 12 parts of a curing agent A; 0 part of curing agent B; 23 parts of a curing agent C; 0 part of density regulator.
And (5) measuring the cementing and plugging system of the epoxy resin and the cementing strength of the set cement and counting related data. The test results are shown in Table 1.
TABLE 1 Properties of the epoxy resin cementing and plugging systems prepared in examples 1-8 and the epoxy resin systems prepared in comparative examples 1-6
From the density and thickening time of the resin plugging system and the mechanical property data of the solidified body in table 1, it can be seen that in comparative examples 1-3, the thickening time of the resin system using the curing agent a, the curing agent B and the curing agent C alone is not easy to adjust, and the resin system after solidification has large brittleness and low elasticity and cannot meet the requirements of site construction; in comparative examples 4-6, the thickening time of the resin system formed by combining the curing agent A, the curing agent B and the curing agent C in pairs is not easy to adjust, and the elasticity is low after solidification, so that the requirements of site construction cannot be met; the three curing agents are reasonably matched, and the formula which is adjustable in thickening time, high in cementing strength after solidification, moderate in compressive strength and certain in elasticity is preferably selected, namely the formula of the embodiment 1-2, and the formula of the embodiment 2 is optimal in performance. In the embodiments 3-8, the density of the resin plugging system is improved by adding the density regulator, and the experimental data shows that the density of the plugging system is 1.30-190 g/cm3The range is adjustable, the thickening time is 240-360 min, the requirement of site construction time is met, the compressive strength is more than 24MPa, the cementing strength is more than 3.5MPa, the mechanical property of a solidified body is good, and the underground plugging requirement is met. Compared with the embodiment 2, the epoxy resin cementing and plugging system prepared in the embodiment 3 has the same components and is reduced in density under the condition that the density regulator is added, so that the well construction under different well conditions can be met. Among them, the curing agent A has a high curing speed, and as the amount of addition increases, the curing time is shortened and the compressive strength is increased, but the brittleness is remarkably exhibited. The curing agent B has moderate curing speed, good mechanical property after solidification, certain elasticity and moderate compressive strength. The curing agent C has the advantages of low curing speed, good mechanical property after solidification, good elasticity and moderate compressive strength. In application, the three curing agents are used in a matching way, so that the comprehensive performance of the system can be improved, and the use temperature range and the density range of the system are enlarged.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The recitation of numerical ranges herein includes all numbers subsumed within that range and includes any two numbers subsumed within that range. Different values of the same index appearing in all embodiments of the invention can be combined arbitrarily to form a range value.
The features of the invention claimed and/or described in the specification may be combined, and are not limited to the combinations set forth in the claims by the recitations therein. The technical solutions obtained by combining the technical features in the claims and/or the specification also belong to the scope of the present invention.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are still within the scope of the technical solution of the present invention.
Claims (11)
1. An epoxy resin well cementation plugging system is characterized by comprising the following components in parts by mass:
2. the epoxy cementing and plugging system according to claim 1, wherein the epoxy resin is selected from one of bisphenol A epoxy resin, glycidyl ester epoxy resin, linear aliphatic epoxy resin and alicyclic epoxy resin.
3. The epoxy resin well cementation plugging system according to claim 2, wherein the epoxy resin is selected from bisphenol A type epoxy resin, and a diluent accounting for 5 wt% -15 wt% of the mass of the bisphenol A type epoxy resin is added into the bisphenol A type epoxy resin; the diluent is selected from one of ethyl acetate and butyl acetate.
4. The epoxy cementing and plugging system according to claim 1, wherein the curing agent A is an aliphatic polyamine mixture; the aliphatic polyamine mixture comprises the following components in percentage by mass: 80% -90% of polyether amine; 10 to 20 percent of diethylenetriamine.
5. The epoxy cementing and plugging system according to claim 4, wherein the aliphatic polyamine mixture consists of, in mass percent: 90% of polyether amine; 10 percent of diethylenetriamine.
6. The epoxy resin well cementation plugging system of claim 1, wherein the curing agent B is an aliphatic amine, and the aliphatic amine is one selected from 5-amino-1, 3, 3-trimethylcyclohexylmethylamine and trimethylhexamethylenediamine.
7. The epoxy resin well cementation plugging system of claim 1, wherein the curing agent C is selected from one of aryl diethyl-aryl-methyl phenylenediamine, diethyl toluene diamine and 1, 2-diaminocyclohexane.
8. The epoxy resin well cementation plugging system of claim 1, wherein the density modifier is selected from one of iron ore powder, barite and calcium carbonate.
9. A method for preparing the epoxy resin cementing and plugging system according to any one of claims 1 to 8, which is characterized by comprising the following steps:
and sequentially adding the curing agent A, the curing agent B and the curing agent C into the epoxy resin according to the proportion, and uniformly mixing to obtain the epoxy resin well cementation plugging system.
10. The method of manufacturing according to claim 9, further comprising: after being mixed and stirred evenly, the density regulator is added in proportion and mixed and stirred evenly.
11. A method of using the epoxy cementing plugging system of any one of claims 1-8, comprising the steps of: and filling the epoxy resin well cementation plugging system in a gap or a crack between the cement sheath and the casing, and solidifying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011143063.4A CN112341999A (en) | 2020-10-23 | 2020-10-23 | Epoxy resin well cementation plugging system and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011143063.4A CN112341999A (en) | 2020-10-23 | 2020-10-23 | Epoxy resin well cementation plugging system and preparation method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112341999A true CN112341999A (en) | 2021-02-09 |
Family
ID=74359890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011143063.4A Pending CN112341999A (en) | 2020-10-23 | 2020-10-23 | Epoxy resin well cementation plugging system and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112341999A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458234A (en) * | 2022-03-29 | 2022-05-10 | 嵩县金牛有限责任公司 | Water plugging construction method for underground aquifer rock mass tunneling |
| CN115895624A (en) * | 2022-11-11 | 2023-04-04 | 荆州嘉华科技有限公司 | Epoxy flushing fluid and preparation method and application thereof |
| WO2024139150A1 (en) * | 2022-12-30 | 2024-07-04 | 中国石油天然气集团有限公司 | Resin particle plugging material, preparation method therefor, and use thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108822815A (en) * | 2018-05-08 | 2018-11-16 | 长江大学 | A kind of preposition gel of well cementation |
| CN110117485A (en) * | 2019-05-06 | 2019-08-13 | 河北工业大学 | A kind of highdensity epoxy resin plugging material |
| CN110484222A (en) * | 2019-07-31 | 2019-11-22 | 中国石油集团工程技术研究院有限公司 | A kind of epoxy resin-matrix cementing fluid and preparation method thereof |
| CN111500270A (en) * | 2019-12-30 | 2020-08-07 | 大庆石油管理局有限公司 | Efficient resin plugging liquid for underground well repair of oil-water well |
| CN111732715A (en) * | 2020-06-28 | 2020-10-02 | 威海合纵新材料科技有限公司 | Epoxy resin system used at high temperature in normal-temperature curing and preparation method thereof |
| CN111793481A (en) * | 2020-06-12 | 2020-10-20 | 中国石油天然气集团公司 | Resin cementing material for oil-gas well as preparation method and application thereof |
| CN111793480A (en) * | 2020-07-02 | 2020-10-20 | 中国石油天然气股份有限公司 | Leaking stoppage resin system and application thereof |
-
2020
- 2020-10-23 CN CN202011143063.4A patent/CN112341999A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108822815A (en) * | 2018-05-08 | 2018-11-16 | 长江大学 | A kind of preposition gel of well cementation |
| CN110117485A (en) * | 2019-05-06 | 2019-08-13 | 河北工业大学 | A kind of highdensity epoxy resin plugging material |
| CN110484222A (en) * | 2019-07-31 | 2019-11-22 | 中国石油集团工程技术研究院有限公司 | A kind of epoxy resin-matrix cementing fluid and preparation method thereof |
| CN111500270A (en) * | 2019-12-30 | 2020-08-07 | 大庆石油管理局有限公司 | Efficient resin plugging liquid for underground well repair of oil-water well |
| CN111793481A (en) * | 2020-06-12 | 2020-10-20 | 中国石油天然气集团公司 | Resin cementing material for oil-gas well as preparation method and application thereof |
| CN111732715A (en) * | 2020-06-28 | 2020-10-02 | 威海合纵新材料科技有限公司 | Epoxy resin system used at high temperature in normal-temperature curing and preparation method thereof |
| CN111793480A (en) * | 2020-07-02 | 2020-10-20 | 中国石油天然气股份有限公司 | Leaking stoppage resin system and application thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458234A (en) * | 2022-03-29 | 2022-05-10 | 嵩县金牛有限责任公司 | Water plugging construction method for underground aquifer rock mass tunneling |
| CN115895624A (en) * | 2022-11-11 | 2023-04-04 | 荆州嘉华科技有限公司 | Epoxy flushing fluid and preparation method and application thereof |
| CN115895624B (en) * | 2022-11-11 | 2024-03-22 | 荆州嘉华科技有限公司 | Epoxy-based flushing fluid and preparation method and application thereof |
| WO2024139150A1 (en) * | 2022-12-30 | 2024-07-04 | 中国石油天然气集团有限公司 | Resin particle plugging material, preparation method therefor, and use thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112341999A (en) | Epoxy resin well cementation plugging system and preparation method and application thereof | |
| US6257335B1 (en) | Stimulating fluid production from unconsolidated formations | |
| CN111285642B (en) | Plugging agent, preparation method and application thereof | |
| CN110734754A (en) | Plugging agent composition, plugging agent, preparation method and application thereof | |
| CN105542739B (en) | A kind of sand control coated sand and preparation method thereof | |
| CN109054787A (en) | A kind of plugging material of organic/inorganic composite | |
| CN112760084A (en) | Plugging agent for oil-based drilling fluid and preparation method and application thereof | |
| CN114716984A (en) | Cementing and plugging type wall fixing agent for water-based drilling fluid and preparation method and application thereof | |
| CN106747018B (en) | Well cementation latex cement slurry system and preparation method thereof | |
| CN101148979B (en) | Novel method for preparing resin coating sand | |
| US6702021B1 (en) | Methods and drilling fluids for drilling well bores and sealing pipe strings therein | |
| CN115505070A (en) | High-temperature-resistant expansion fiber resin plugging material, preparation method thereof and application thereof in leak prevention and plugging of well cementation cement slurry | |
| CN115504713A (en) | Pre-cured resin-based cement slurry with high cementing toughness for shaft plugging as well as preparation method and application thereof | |
| CN111577215B (en) | Sand control system combining high molecules and low-molecular polymers for fine silt | |
| CN109749725A (en) | A kind of high temperature phosphate thermosetting resin gelling system and preparation method thereof | |
| CN111978943A (en) | Self-adaptive sand prevention and consolidation material | |
| CN116285374B (en) | Preparation method and grouting process of grouting material for coal seam roof water damage | |
| CN113462369B (en) | Oil-based mud cake curing agent and preparation method, use method and application thereof | |
| CN117050272B (en) | Curing agent for epoxy grouting material, preparation method thereof and epoxy grouting material | |
| CN113072315B (en) | Well cementation cement additive and using method thereof | |
| CN112500841B (en) | Efficient plugging agent for offshore oil exploitation and preparation method thereof | |
| CN111040746A (en) | Self-repairing material for oil and gas well cementation and preparation method thereof | |
| CN118405876A (en) | Preparation method of well cementation cement paste containing epoxy resin and polyester fiber | |
| CN116285374A (en) | Preparation method and grouting process of grouting material for coal seam roof water damage | |
| CN118206968A (en) | High water invasion resistance plugging slurry suitable for water-containing macroporous seam leakage layer and preparation method thereof |
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 |