CN109679638A - Foaming water discharge agent composition and preparation method and application - Google Patents
Foaming water discharge agent composition and preparation method and application Download PDFInfo
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- CN109679638A CN109679638A CN201711004604.3A CN201711004604A CN109679638A CN 109679638 A CN109679638 A CN 109679638A CN 201711004604 A CN201711004604 A CN 201711004604A CN 109679638 A CN109679638 A CN 109679638A
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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
- C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
- C09K8/588—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
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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
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/84—Compositions based on water or polar solvents
- C09K8/86—Compositions based on water or polar solvents containing organic compounds
- C09K8/88—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
- C09K8/885—Compositions based on water or polar solvents containing organic compounds macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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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
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/92—Compositions for stimulating production by acting on the underground formation characterised by their form or by the form of their components, e.g. encapsulated material
- C09K8/94—Foams
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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
- C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
- C09K2208/10—Nanoparticle-containing well treatment fluids
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- Oil, Petroleum & Natural Gas (AREA)
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- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
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Abstract
The present invention relates to a kind of acidproof water pumping gas production foam discharging agent compositions and the preparation method and application thereof.Mainly solve the problem of existing acid gas well in the process of development hydrops it is excessive cause the gas well underproduction even stop-spraying.The present invention is by using a kind of acidproof water pumping gas production foam discharging agent composition, including following components in terms of mass fraction: (1) 1 part of alkylamine；(2) 0.1~50 parts of long-chain polyether nitrogenous compound；(3) 0~10 parts of nano particle；The wherein alkylamine has general molecular formula shown in formula (I): the long-chain polyether nitrogenous compound, and the technical solution with general molecular formula shown in formula (II) preferably resolves the problem, can be used in gas well water drainage-gas recovery technology.
Description
Technical field
The present invention relates to a kind of foaming water discharge agent composition and preparation method, especially a kind of acidproof foaming water discharge agent combination
Object and preparation method.
Background technique
With the reinforcement of gas-field exploitation dynamics, gas field is discharged the critical issue normally produced at gas well is restricted.Foam row
Hydromining gas is a kind of drainage gas recovery that recent domestic rapidly develops, simple, easy for construction, at low cost with equipment,
Applicable well depth range is big, does not influence the advantages that gas well normally produces.Foaming water discharge is exactly to pass through oil pipe or tubing and casing annular space to well
Interior injection foam discharging agent generates the foam with certain stability under the agitation of air-flow.The liquid phase that deposition is slipped in pipe becomes steeping
Foam changes the relative density of lower curtate bit stream body in managing, and quantity-produced gas phase displacement foam flows out pit shaft, so that well inner product be discharged
Liquid achievees the purpose that water pumping gas production.
The development of foreign countries' foam discharging agent since the eighties of last century sixties, multiselect sulfonate, benzene sulfonate, alkyl phenol are poly-
The surfactants such as ethylene oxide ether.Recompounded multielement system is mostly used greatly with foam discharging agent to current water pumping gas production, it is single in order to enhance
The stability of foam is usually additionally added the auxiliary agents such as alkali, alcohol, polymer, alkanolamide in formula and forms strengthening foam.
US20120279715 reports the aerated fluid that gas recovery in a kind of gas well increases oil yield, is a kind of phosphinylidyne-containing amine group season
Ammonium surfactant has both bubble row and sterilizing function, and hydrophobic chain is the hydrophobic patch replaced in naphthalene nucleus, phenyl ring or natural grease,
Performance with very strong chlorine-resistant and condensate oil also has good corrosion inhibition.However due in molecular structure containing pair
The more sensitive amide group of high temperature, thus hydrolysis is easy under acid condition.
Summary of the invention
The first technical problem to be solved by the present invention is that hydrops is excessive in the process of development for existing acid gas well, is caused
The problem of gas well underproduction or even stop-spraying, a kind of foam discharging agent composition is provided, especially a kind of acid gas well water pumping gas production is arranged with bubble
Agent composition is used for gas well water pumping gas production, can efficiently take liquid, has good acid resistance, frothing capacity and fluid-carrying capability.
The second technical problem to be solved by the present invention is corresponding to provide a kind of one of and solution above-mentioned technical problem
The preparation method of foam discharging agent composition.
The third technical problem to be solved by the present invention is corresponding to provide a kind of one of and solution above-mentioned technical problem
The application of foam discharging agent composition.
One of to solve above-mentioned technical problem, The technical solution adopted by the invention is as follows: a kind of foam discharging agent composition, with matter
Measure number meter, including following components:
(1) 1 part of alkylamine；
(2) 0.1~50 parts of long-chain polyether nitrogenous compound
(3) 0~10 parts of nano particle.
In above-mentioned technical proposal, the general molecular formula of the alkylamine is preferred are as follows:
Wherein, R1For C6~C16Alkyl in any one.
In above-mentioned technical proposal, the general molecular formula of the long-chain polyether nitrogenous compound is preferred are as follows:
Wherein, R1For C10~C26Fat-based or C10~C26Aromatic radical；Y=0~20, z=0~60；R4、R5Independent choosing
From C1~C5Alkyl, C1~C5Replace alkyl in any one；R6、R7It is independently selected from C1~C5Alkylidene, replace alkylene
Any one of base；Y, which is selected from, makes molecule shown in formula (II) be in the anionic group of electroneutral；Further, R1Preferably C10~C20
Alkyl, C10~C20Alkylbenzene, R7Preferably C2H4Or C3H6, z is preferably greater than 0；
In above-mentioned technical proposal, as long as the Y makes general molecular formula (II) to be in the anionic group of electroneutral, such as
But Y is not limited and preferably is selected from-COO—、-SO3 —、-HPO4 -At least one of, further preferably-COO-、-SO3 -In at least one
Kind.
In above-mentioned technical proposal, the nano particle is preferably nano silica, nanometer calcium carbonate, in nanometer hectorite
At least one, more preferably nano silica.
Foam discharging agent composition in the present invention does not have particular/special requirement to water, can be deionized water when preparing, can be with
It is the water containing inorganic mineral, and the water containing inorganic mineral can be tap water, oil field stratum water or oilfield injection water.
To solve above-mentioned technical problem two, The technical solution adopted by the invention is as follows: a kind of above-mentioned solution technical problem
One of described in technical solution any foam discharging agent composition preparation method, comprising the following steps:
By alkylamine, long-chain polyether nitrogenous compound and nano particle according to required mass fraction, it is uniformly mixed, obtains with water
To water pumping gas production foam discharging agent composition.
To solve above-mentioned technical problem three, The technical solution adopted by the invention is as follows: a kind of above-mentioned solution technical problem
One of described in application of any foam discharging agent composition in water pumping gas production in technical solution.
In above-mentioned technical proposal, the application has no particular/special requirement, and those skilled in the art can be according to practical application ring
Border carries out using such as but not limiting in the application and to be preferably applicable in gas well pH value=3~7 foam discharging agent composition of the present invention.
Key active ingredient alkylamine, the long-chain polyether nitrogenous compound of foam discharging agent composition of the present invention, art technology
Personnel know, for the ease of transporting and storing or scene uses etc. considers, can use various supply forms, such as without
The solid-state form of water perhaps aqueous solid-state form perhaps aqueous cream form or aqueous solution form；Aqueous solution form
Form including being made into concentrate with water, the foam discharging agent form of concentration needed for being directly made into the live displacement of reservoir oil；Wherein, to water without spy
It is different to require, it can be deionized water, can also be the water containing inorganic mineral, and the water containing inorganic mineral can be originally
Water, oil gas field water flooding or oil gas field inject water.
Foam discharging agent composition of the present invention has good compatibility, can also contain other inorganic agents commonly used in the art,
Such as surfactant, polymer, the oil recoveries auxiliary agent such as alkali.
Alkylamine and long-chain polyether nitrogenous compound, the proton under pH acid condition in foam discharging agent composition of the invention
To change, increases the separation pressure between bubble film, the amount of combination water and irreducible water that foaming agent carries increases, the enhancing of foam carrier amount,
Analysis liquid slows down, and makes it possible to applied in acid effluent gas production process.
Using technical solution of the present invention, according to SY/T 6465-2000 " foam drainage gas recovery foaming agent evaluation method "
Foaming properties test is carried out respectively under the conditions of pH 3,5,7 to the foam discharging agent, foam height is greater than 135mm, and liquid carry over is greater than
140mL, have it is good acidproof, frothing capacity and fluid-carrying capability achieve preferable technical effect.
Below by embodiment, the present invention is further elaborated.
Detailed description of the invention
Fig. 1 show liquid carry over measurement device (jacketed vessel height is 1 meter).
Specific embodiment
In order to better understand the present invention, the content that the present invention is further explained with reference to embodiments, but it is of the invention
Content is not limited solely to the following examples.
[embodiment 1]
At normal temperatures and pressures, alkylamine, long-chain polyether nitrogenous compound are weighed, nano silica is according to mass ratio 1:2:
1 dissolves in 3,5,7 aqueous solution of pH respectively, is configured to the solution of 1.0wt% to get foam discharging agent composition HF-1.Component structure
As shown in table 1.
[embodiment 2]
At normal temperatures and pressures, alkylamine, long-chain polyether nitrogenous compound are weighed, nano silica is according to mass ratio 1:
10:5 dissolves in 3,5,7 aqueous solution of pH respectively, is configured to the solution of 1.0wt% to get foam discharging agent composition HF-2.Component
Structure is as shown in table 1.
[embodiment 3]
At normal temperatures and pressures, alkylamine, long-chain polyether nitrogenous compound are weighed, nano silica is according to mass ratio 1:
0.2:0.5 dissolves in 3,5,7 aqueous solution of pH respectively, is configured to the solution of 1.0wt% to get foam discharging agent composition HF-3.Group
Separation structure is as shown in table 1.
[embodiment 4]
At normal temperatures and pressures, alkylamine, long-chain polyether nitrogenous compound are weighed, nano silica is according to mass ratio 1:1:
0.1 dissolves in 3,5,7 aqueous solution of pH respectively, is configured to the solution of 1.0wt% to get foam discharging agent composition HF-4.Component knot
Structure is as shown in table 1.
[embodiment 5]
At normal temperatures and pressures, alkylamine, long-chain polyether nitrogenous compound are weighed, nano silica is according to mass ratio 1:
0.5:0.5 dissolves in 3,5,7 aqueous solution of pH respectively, is configured to the solution of 1.0wt% to get foam discharging agent composition HF-5.Group
Separation structure is as shown in table 1.
[embodiment 6]
At normal temperatures and pressures, alkylamine, long-chain polyether nitrogenous compound are weighed, nano silica is according to mass ratio 1:2:
1 dissolves in 3,5,7 aqueous solution of pH respectively, is configured to the solution of 1.0wt% to get foam discharging agent composition HF-6.Component structure
As shown in table 1.
[embodiment 7]
At normal temperatures and pressures, alkylamine, long-chain polyether nitrogenous compound are weighed, nano silica is according to mass ratio 1:3:
0.5 dissolves in 3,5,7 aqueous solution of pH respectively, is configured to the solution of 1.0wt% to get foam discharging agent composition HF-7.Component knot
Structure is as shown in table 1.
[embodiment 8]
At normal temperatures and pressures, alkylamine, long-chain polyether nitrogenous compound are weighed, nano silica is according to mass ratio 1:
50:10 dissolves in 3,5,7 aqueous solution of pH respectively, is configured to the solution of 1.0wt% to get foam discharging agent composition HF-8.Component
Structure is as shown in table 1.
[embodiment 9]
At normal temperatures and pressures, alkylamine, long-chain polyether nitrogenous compound are weighed, nano silica is according to mass ratio 1:2:
1 dissolves in 3,5,7 aqueous solution of pH respectively, is configured to the solution of 1.0wt% to get foam discharging agent composition HF-9.Component structure
As shown in table 1.
[embodiment 10]
At normal temperatures and pressures, alkylamine, long-chain polyether nitrogenous compound are weighed, nano silica is according to mass ratio 1:2:
1 dissolves in 3,5,7 aqueous solution of pH respectively, is configured to the solution of 1.0wt% to get foam discharging agent composition HF-10.Component knot
Structure is as shown in table 1.
[embodiment 11]
At normal temperatures and pressures, alkylamine, long-chain polyether nitrogenous compound are weighed, nano silica is according to mass ratio 1:2:
1 dissolves in 3,5,7 aqueous solution of pH respectively, is configured to the solution of 1.0wt% to get foam discharging agent composition HF-11.Component knot
Structure is as shown in table 1.
[embodiment 12]
At normal temperatures and pressures, alkylamine, long-chain polyether nitrogenous compound are weighed, nanometer calcium carbonate is according to mass ratio 1:2:1
It is being dissolved in 3,5,7 aqueous solution of pH respectively, is being configured to the solution of 1.0wt% to get foam discharging agent composition HF-12.Component knot
Structure is as shown in table 1.
[embodiment 13]
At normal temperatures and pressures, alkylamine, long-chain polyether nitrogenous compound are weighed, nanometer hectorite is according to mass ratio 1:2:1
It is being dissolved in 3,5,7 aqueous solution of pH respectively, is being configured to the solution of 1.0wt% to get foam discharging agent composition HF-13.Component knot
Structure is as shown in table 1.
[embodiment 14]
At normal temperatures and pressures, alkylamine, long-chain polyether nitrogenous compound are weighed according to mass ratio 1:2 respectively in pH 3,5,7
It is dissolved in aqueous solution, is configured to the solution of 1.0wt% to get foam discharging agent composition HF-14.Component structure is as shown in table 1.It is [real
Apply example 15]
Referring to SY/T 6465-2000 " foam drainage gas recovery foaming agent evaluation method " standard, the starting of foam discharging agent is measured
Foaming height, after five minutes foam height, the results are shown in Table shown in 2.
The nitrogen of 4000mL/min is continuously passed through foam discharging agent aqueous solution, measures foam carrier amount in 15 minutes, knot
Fruit is shown in Table 2.The liquid carry over measurement device of use is as shown in Figure 1.
It can be seen from the result data of foam discharging agent in embodiment 6 and 11 on year-on-year basis under the conditions of, when z is not zero, foaming power,
The obvious technical effects such as foam stability, fluid-carrying capability improve.
[comparative example 1]
The alkylamine and nano silica in [embodiment 1-5] are used, the preparation of long-chain polyether nitrogenous compound is added without
At foam discharging agent composition, with the starting foaming height of [embodiment 15] measurement foam discharging agent, after five minutes foam height, 15 minutes when
Interior foam carrier amount, the results are shown in Table shown in 3.
[comparative example 2]
The long-chain polyether nitrogenous compound and nano silica in [embodiment 1-6] are used, alkylamine preparation is added without
At foam discharging agent composition, with the starting foaming height of [embodiment 15] measurement foam discharging agent, after five minutes foam height, 15 minutes when
Interior foam carrier amount, the results are shown in Table shown in 4.
[comparative example 3]
Using dodecyldimethylamine base glycine betaine and lauryl amine according to mass ratio 1:2, it is prepared into foam discharging agent composition, together
Foam carrier amount in the starting foaming height of [embodiment 15] measurement foam discharging agent, after five minutes foam height, 15 minutes, knot
Fruit is shown in Table 5.
Composition component structure in 1 embodiment of table
The foaming properties of foam discharging agent composition in 2 embodiment of table
The foaming properties of foam discharging agent composition in 3 comparative example 1 of table
The foaming properties of foam discharging agent composition in 4 comparative example 2 of table
The foaming properties of foam discharging agent composition in 5 comparative example 3 of table
Claims (10)
1. a kind of foam discharging agent composition, in terms of mass fraction, including following components:
(1) 1 part of alkylamine；
(2) 0.1~50 parts of long-chain polyether nitrogenous compound；
(3) 0~10 parts of nano particle.
2. foam discharging agent composition according to claim 1, it is characterised in that the general molecular formula of the alkylamine are as follows:
Wherein, R1For C6~C16Alkyl in any one.
3. foam discharging agent composition according to claim 1, it is characterised in that the molecule of the long-chain polyether nitrogenous compound is logical
Formula are as follows:
Wherein, the R1For C10~C26Fat-based or C10~C26Aromatic radical；Y=0~20, z=0~60；R4、R5Independent choosing
From C1~C5Alkyl, C1~C5Replace alkyl in any one；R6、R7It is independently selected from C1~C5Alkylidene, C1~C5's
Any one of substituted alkylene；Y, which is selected from, makes molecule shown in formula (II) be in the anionic group of electroneutral.
4. foam discharging agent composition according to claim 3, it is characterised in that the R1For C10~C20Alkyl or C10~C20's
Alkylbenzene, R7For C2H4Or C3H6。
5. foam discharging agent composition according to claim 3, it is characterised in that the z is greater than 0.
6. foam discharging agent composition according to claim 1, it is characterised in that the nano particle is nano silica, receives
At least one of rice calcium carbonate, nanometer hectorite.
7. foam discharging agent composition according to claim 1, it is characterised in that the nano particle is nano silica.
8. a kind of preparation method of any foam discharging agent composition of claim 1~7, comprising the following steps: by alkylamine,
Long-chain polyether nitrogenous compound and nano particle are uniformly mixed according to required mass fraction with water, obtain the foam discharging agent combination
Object.
9. a kind of application of any foam discharging agent composition of claim 1~7 in water pumping gas production.
10. application of the foam discharging agent composition according to claim 9 in water pumping gas production, it is characterised in that in the application
It is applicable in gas well pH value=3~7.
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