CN109679605A - Solid foam water discharge agent composition and preparation method and application - Google Patents
Solid foam water discharge agent composition and preparation method and application Download PDFInfo
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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 solving existing acid gas well, hydrops is excessive in the process of development, leads to the problem of the gas well underproduction even stop-spraying and liquid foam discharging agent filling difficulty.The present invention by using 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) 0.2~100 parts of solid packing；(4) 0~0.5 parts of binder；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 solid foam water discharge agent composition and preparation method, especially a kind of acidproof foam row of solid
Aqua composition 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.
The above foaming water discharge agent is mainly aqua, has the limitation of the several factors such as transport, storage, and liquid foam drains
Agent scene filling trouble.CN105062453A discloses a kind of gas field solid foam water discharge agent and preparation method thereof, raw material group
As lauryl sodium sulfate, alkyl phenol polyoxyethylene ether, polyacrylamide, trisodium citrate, thiocarbamide, with good foam
Drainage performance.However lauryl sodium sulfate contains sulfuric acid ester bond, heat resistance is insufficient.
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 gas well underproduction even problem of stop-spraying and liquid filling difficulty, provides a kind of foam discharging agent composition of solid, especially a kind of
Acid gas well water pumping gas production solid foam discharging agent composition is used for gas well water pumping gas production, can efficiently take liquid, has acidproof well
Performance, 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 solid 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 solid 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 solid 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) 0.2~100 parts of solid packing；
(4) 0~0.5 parts of binder.
In above-mentioned technical proposal, the general molecular formula of the alkylamine is preferred are as follows:
R1-NH2, formula (I)；
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—、-HPO4At least one of-, further preferably-COO-,-SO3- in
It is at least one.
In above-mentioned technical proposal, the solid filler be preferably inorganic oxysalt, metal halide, organic carboxyl acid and its
At least one of salt, urea, biuret, further preferably carbonate, bicarbonate, sulfate, phosphate, borate,
Metal halide, formates, acetate, tartaric acid and its salt, citric acid and its salt, phthalic acid and its salt, gallic acid
And its at least one of salt, urea, biuret etc.；The binder is preferably dextrin, epoxy resin, polyacrylamide, shallow lake
At least one of powder, cellulose, polyethylene glycol etc..
In above-mentioned technical proposal, solid packing is preferably sodium carbonate, sodium bicarbonate, Boratex, sodium chloride, sodium acetate, wine
At least one of stone acid, sodium tartrate, citric acid, sodium citrate, phthalic acid potassium, urea, biuret.
In above-mentioned technical proposal, binder is preferably at least one of polyacrylamide, starch, polyethylene glycol.
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 solid foam discharging agent composition preparation method, when binder is not equal to 0 part, packet
Include following steps:
(1) alkylamine, long-chain polyether nitrogenous compound, solid packing are uniformly mixed according to required mass fraction, are obtained mixed
Close object；
(2) binder adds water to whole dissolutions, obtains binder solution；
(3) mixture that step (1) obtains and the binder solution that step (2) obtains are uniformly mixed, compression moulding, system
Obtain solid foam water discharge agent, as the solid foam water discharge agent composition；
When binder is equal to 0 part, the preparation method of the foaming water discharge agent composition includes the following steps:
(1) alkylamine, long-chain polyether nitrogenous compound, solid packing are uniformly mixed according to required mass fraction, are obtained mixed
Close object；
(2) the solid foam water discharge agent composition is made in said mixture compression moulding again.
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 technical solution any solid foam discharging agent composition application.
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.
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 140mm, 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]
(1) at normal temperatures and pressures, by 10 grams of alkylamine, 25 grams of long-chain polyether nitrogenous compound, 35 grams of sodium sulphate mixing
Uniformly, mixture is obtained；
(2) 0.1 gram of polyacrylamide plus 1 gram of water stirring obtains binder solution to whole dissolutions；
(3) mixture that step (1) obtains and the binder solution that step (2) obtains are uniformly mixed, compression moulding, system
It obtains solid foam and drains stick FS-1, see Table 1 for details for component structure.
[embodiment 2]
(1) at normal temperatures and pressures, by 5 grams of alkylamine, 50 grams of long-chain polyether nitrogenous compound, 30 grams of sodium sulphate, carbonic acid
10 grams of sodium, 30 grams of sodium bicarbonate, 30 grams of urea are uniformly mixed, and obtain mixture；
(2) 0.5 gram of polyethylene glycol plus 2 grams of water stirring obtains binder solution to whole dissolutions；
(3) mixture that step (1) obtains and the binder solution that step (2) obtains are uniformly mixed, compression moulding, system
It obtains solid foam and drains stick FS-2, see Table 1 for details for component structure.
[embodiment 3]
(1) at normal temperatures and pressures, by 50 grams of alkylamine, 10 grams of long-chain polyether nitrogenous compound, 10 grams of urea, lemon
1 gram of acid is uniformly mixed, obtains mixture；
(2) 0.1 gram of starch plus 2 grams of water stirring obtains binder solution to whole dissolutions；
(3) mixture that step (1) obtains and the binder solution that step (2) obtains are uniformly mixed, compression moulding, system
It obtains solid foam and drains stick FS-3, see Table 1 for details for component structure.
[embodiment 4]
(1) at normal temperatures and pressures, by 20 grams of alkylamine, 20 grams of long-chain polyether nitrogenous compound, 20 grams of urea, sodium chloride 5
Gram, it 1 gram of sodium citrate, is uniformly mixed, obtains mixture；
(2) 0.01 gram of cellulose plus 0.5 gram of water stirring obtains binder solution to whole dissolutions；
(3) mixture that step (1) obtains and the binder solution that step (2) obtains are uniformly mixed, compression moulding, system
It obtains solid foam and drains stick FS-4, see Table 1 for details for component structure.
[embodiment 5]
(1) at normal temperatures and pressures, by 20 grams of alkylamine, 10 grams of long-chain polyether nitrogenous compound, 7 grams of sodium bicarbonate, boric acid
1 gram of sodium, 2 grams of sodium tartrate, 1 gram of biuret is uniformly mixed, and obtains mixture；
(2) 0.1 gram of polyethylene glycol plus 1.0 grams of water stirring obtains binder solution to whole dissolutions；
(3) mixture that step (1) obtains and the binder solution that step (2) obtains are uniformly mixed, compression moulding, system
It obtains solid foam and drains stick FS-5, see Table 1 for details for component structure.
[embodiment 6]
(1) at normal temperatures and pressures, 10 grams of alkylamine, 25 grams of long-chain polyether nitrogenous compound, 35 grams of sodium sulphate mixing are equal
It is even, obtain mixture；
(2) 0.1 gram of polyacrylamide plus 1.0 grams of water stirring obtains binder solution to whole dissolutions；
(3) mixture that step (1) obtains and the binder solution that step (2) obtains are uniformly mixed, compression moulding, system
It obtains solid foam and drains stick FS-6, see Table 1 for details for component structure.
[embodiment 7]
(1) at normal temperatures and pressures, by 1 gram of alkylamine, 50 grams of long-chain polyether nitrogenous compound, 70 grams of sodium sulphate, urea 30
Gram be uniformly mixed, obtain mixture；
(2) 0.2 gram of polyethylene glycol plus 1.5 grams of water stirring obtains binder solution to whole dissolutions；
(3) mixture that step (1) obtains and the binder solution that step (2) obtains are uniformly mixed, compression moulding, system
It obtains solid foam and drains stick FS-7, see Table 1 for details for component structure.
[embodiment 8]
(1) at normal temperatures and pressures, 10 grams of alkylamine, 25 grams of long-chain polyether nitrogenous compound, 35 grams of sodium sulphate mixing are equal
It is even, obtain mixture；
(2) 0.1 gram of polyacrylamide plus 1 gram of water stirring obtains binder solution to whole dissolutions；
(3) mixture that step (1) obtains and the binder solution that step (2) obtains are uniformly mixed, compression moulding, system
It obtains solid foam and drains stick FS-8, see Table 1 for details for component structure.
[embodiment 9]
(1) at normal temperatures and pressures, by 10 grams of alkylamine, 25 grams of long-chain polyether nitrogenous compound, 35 grams of sodium sulphate mixing
Uniformly, mixture is obtained；
(2) 0.1 gram of polyacrylamide plus 1 gram of water stirring obtains binder solution to whole dissolutions；
(3) mixture that step (1) obtains and the binder solution that step (2) obtains are uniformly mixed, compression moulding, system
It obtains solid foam and drains stick FS-9, see Table 1 for details for component structure.
[embodiment 10]
(1) at normal temperatures and pressures, by 10 grams of alkylamine, 25 grams of long-chain polyether nitrogenous compound, 35 grams of sodium sulphate mixing
Uniformly, mixture is obtained；
(2) 0.1 gram of polyacrylamide plus 1 gram of water stirring obtains binder solution to whole dissolutions；
(3) mixture that step (1) obtains and the binder solution that step (2) obtains are uniformly mixed, compression moulding, system
It obtains solid foam and drains stick FS-10, see Table 1 for details for component structure.
[embodiment 11]
(1) at normal temperatures and pressures, 10 grams of alkylamine, 25 grams of long-chain polyether nitrogenous compound, 35 grams of sodium sulphate mixing are equal
It is even, obtain mixture；
(2) by above-mentioned sample compression moulding, solid foam is made and drains stick FS-11, see Table 1 for details for component structure.
[embodiment 12]
At normal temperatures and pressures, the solid foam water discharge agent in embodiment 1-11 is simulated in aqueous solution in pH 3,5,7 respectively
Dissolution, is configured to the aqueous solution of 5000mg/L.
[embodiment 13]
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.
[comparative example 1]
(1) 35 grams of alkylamine in [embodiment 1] are used, are added without long-chain polyether nitrogenous compound, at normal temperatures and pressures
It is uniformly mixed with 35 grams of sodium sulphate, obtains mixture；
(2) 0.1 gram of polyacrylamide plus 1 gram of water stirring obtains binder solution to whole dissolutions；
(3) mixture that step (1) obtains and the binder solution that step (2) obtains are uniformly mixed, compression moulding, system
It obtains solid foam and drains stick FS-S1；
(4) it weighs 1 gram of FS-S1 solid and is simulated in aqueous solution in pH 3,5,7 respectively and dissolved, be configured to the molten of 5000mg/L
Liquid carries out foaming water discharge performance test with the starting foaming height of [embodiment 13] measurement foam discharging agent, after five minutes foam height,
It the results are shown in Table shown in 3.
[comparative example 2]
(1) 55 grams of alkylamine in [embodiment 2] are used, are added without long-chain polyether nitrogenous compound, at normal temperatures and pressures
With, 30 grams of sodium sulphate, 10 grams of sodium carbonate, 30 grams of sodium bicarbonate, 30 grams of urea be uniformly mixed, obtain mixture；
(2) 0.5 gram of polyethylene glycol plus 2 grams of water stirring obtains binder solution to whole dissolutions；
(3) mixture that step (1) obtains and the binder solution that step (2) obtains are uniformly mixed, compression moulding, system
It obtains solid foam and drains stick FS-S2；
(4) it weighs 1 gram of FS-S2 solid and is simulated in aqueous solution in pH 3,5,7 respectively and dissolved, be configured to the molten of 5000mg/L
Liquid carries out foaming water discharge performance test with the starting foaming height of [embodiment 13] measurement foam discharging agent, after five minutes foam height,
It the results are shown in Table shown in 3.
[comparative example 3]
(1) 60 grams of alkylamine in [embodiment 3] are used, are added without long-chain polyether nitrogenous compound, at normal temperatures and pressures
With 10 grams of urea, 1 gram of citric acid, be uniformly mixed, obtain mixture；
(2) 0.1 gram of starch plus 2 grams of water stirring obtains binder solution to whole dissolutions；
(3) mixture that step (1) obtains and the binder solution that step (2) obtains are uniformly mixed, compression moulding, system
It obtains solid foam and drains stick FS-S3；
(4) it weighs 1 gram of FS-S3 solid and is simulated in aqueous solution in pH 3,5,7 respectively and dissolved, be configured to the molten of 5000mg/L
Liquid carries out foaming water discharge performance test with the starting foaming height of [embodiment 13] measurement foam discharging agent, after five minutes foam height,
It the results are shown in Table shown in 3.
[comparative example 4]
(1) 40 grams of alkylamine in [embodiment 4] are used, are added without long-chain polyether nitrogenous compound, at normal temperatures and pressures
With 20 grams of urea, 5 grams of sodium chloride, 1 gram of sodium citrate, it is uniformly mixed, obtains mixture；
(2) 0.01 gram of polyacrylamide plus 0.5 gram of water stirring obtains binder solution to whole dissolutions；
(3) mixture that step (1) obtains and the binder solution that step (2) obtains are uniformly mixed, compression moulding, system
It obtains solid foam and drains stick FS-S4；
(4) it weighs 1 gram of FS-S4 solid and is simulated in aqueous solution in pH 3,5,7 respectively and dissolved, be configured to the molten of 5000mg/L
Liquid carries out foaming water discharge performance test with the starting foaming height of [embodiment 13] measurement foam discharging agent, after five minutes foam height,
It the results are shown in Table shown in 3.
[comparative example 5]
(1) 30 grams of alkylamine in [embodiment 5] are used, are added without long-chain polyether nitrogenous compound, at normal temperatures and pressures
With 7 grams of sodium bicarbonate, 1 gram of Boratex, 2 grams of sodium tartrate, 1 gram of biuret be uniformly mixed, obtain mixture；
(2) 0.1 gram of polyethylene glycol plus 1.0 grams of water stirring obtains binder solution to whole dissolutions；
(3) mixture that step (1) obtains and the binder solution that step (2) obtains are uniformly mixed, compression moulding, system
It obtains solid foam and drains stick FS-S5；
(4) it weighs 1 gram of FS-S5 solid and is simulated in aqueous solution in pH 3,5,7 respectively and dissolved, be configured to the molten of 5000mg/L
Liquid carries out foaming water discharge performance test with the starting foaming height of [embodiment 13] measurement foam discharging agent, after five minutes foam height,
It the results are shown in Table shown in 3.
[comparative example 6]
(1) 35 grams of long-chain polyether nitrogenous compound in [embodiment 1] are used, are added without alkylamine, at normal temperatures and pressures
It is uniformly mixed with 35 grams of sodium sulphate, obtains mixture；
(2) 0.1 gram of polyacrylamide plus 1 gram of water stirring obtains binder solution to whole dissolutions；
(3) mixture that step (1) obtains and the binder solution that step (2) obtains are uniformly mixed, compression moulding, system
It obtains solid foam and drains stick FS-S6；
(4) it weighs 1 gram of FS-S6 solid and is simulated in aqueous solution in pH 3,5,7 respectively and dissolved, be configured to the molten of 5000mg/L
Liquid carries out foaming water discharge performance test with the starting foaming height of [embodiment 13] measurement foam discharging agent, after five minutes foam height,
It the results are shown in Table shown in 4.
[comparative example 7]
(1) 55 grams of long-chain polyether nitrogenous compound in [embodiment 2] are used, are added without alkylamine, at normal temperatures and pressures
With, 30 grams of sodium sulphate, 10 grams of sodium carbonate, 30 grams of sodium bicarbonate, 30 grams of urea be uniformly mixed, obtain mixture；
(2) 0.5 gram of polyethylene glycol plus 2 grams of water stirring obtains binder solution to whole dissolutions；
(3) mixture that step (1) obtains and the binder solution that step (2) obtains are uniformly mixed, compression moulding, system
It obtains solid foam and drains stick FS-S7；
(4) it weighs 1 gram of FS-S7 solid and is simulated in aqueous solution in pH 3,5,7 respectively and dissolved, be configured to the molten of 5000mg/L
Liquid carries out foaming water discharge performance test with the starting foaming height of [embodiment 13] measurement foam discharging agent, after five minutes foam height,
It the results are shown in Table shown in 4.
[comparative example 8]
(1) 60 grams of long-chain polyether nitrogenous compound in [embodiment 3] are used, are added without alkylamine, at normal temperatures and pressures
With 10 grams of urea, 1 gram of citric acid, be uniformly mixed, obtain mixture；
(2) 0.1 gram of starch plus 2 grams of water stirring obtains binder solution to whole dissolutions；
(3) mixture that step (1) obtains and the binder solution that step (2) obtains are uniformly mixed, compression moulding, system
It obtains solid foam and drains stick FS-S8；
(4) it weighs 1 gram of FS-S8 solid and is simulated in aqueous solution in pH 3,5,7 respectively and dissolved, be configured to the molten of 5000mg/L
Liquid carries out foaming water discharge performance test with the starting foaming height of [embodiment 13] measurement foam discharging agent, after five minutes foam height,
It the results are shown in Table shown in 4.
[comparative example 9]
(1) 40 grams of long-chain polyether nitrogen in [embodiment 4] are used, alkylamine is added without and closes object, at normal temperatures and pressures
With 20 grams of urea, 5 grams of sodium chloride, 1 gram of sodium citrate, it is uniformly mixed, obtains mixture；
(2) 0.01 gram of polyacrylamide plus 0.5 gram of water stirring obtains binder solution to whole dissolutions；
(3) mixture that step (1) obtains and the binder solution that step (2) obtains are uniformly mixed, compression moulding, system
It obtains solid foam and drains stick FS-S9；
(4) it weighs 1 gram of FS-S9 solid and is simulated in aqueous solution in pH 3,5,7 respectively and dissolved, be configured to the molten of 5000mg/L
Liquid carries out foaming water discharge performance test with the starting foaming height of [embodiment 13] measurement foam discharging agent, after five minutes foam height,
It the results are shown in Table shown in 4.
[comparative example 10]
(1) 30 grams of long-chain polyether nitrogenous compound in [embodiment 5] are used, are added without alkylamine, at normal temperatures and pressures
With 7 grams of sodium bicarbonate, 1 gram of Boratex, 2 grams of sodium tartrate, 1 gram of biuret be uniformly mixed, obtain mixture；
(2) 0.1 gram of polyethylene glycol plus 1.0 grams of water stirring obtains binder solution to whole dissolutions；
(3) mixture that step (1) obtains and the binder solution that step (2) obtains are uniformly mixed, compression moulding, system
It obtains solid foam and drains stick FS-S10；
(4) it weighs 1 gram of FS-S10 solid and is simulated in aqueous solution in pH 3,5,7 respectively and dissolved, be configured to the molten of 5000mg/L
Liquid carries out foaming water discharge performance test with the starting foaming height of [embodiment 13] measurement foam discharging agent, after five minutes foam height,
It the results are shown in Table shown in 4.
[comparative example 11]
(1) 35 grams of long-chain polyether nitrogenous compound in [embodiment 6] are used, are added without alkylamine, at normal temperatures and pressures
It is uniformly mixed with 35 grams of sodium sulphate, obtains mixture；；
(2) 0.1 gram of polyacrylamide plus 1 gram of water stirring obtains binder solution to whole dissolutions；
(3) mixture that step (1) obtains and the binder solution that step (2) obtains are uniformly mixed, compression moulding, system
It obtains solid foam and drains stick FS-S11；
(4) it weighs 1 gram of FS-S11 solid and is simulated in aqueous solution in pH 3,5,7 respectively and dissolved, be configured to the molten of 5000mg/L
Liquid carries out foaming water discharge performance test with the starting foaming height of [embodiment 13] measurement foam discharging agent, after five minutes foam height,
It the results are shown in Table shown in 4.
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 1-5 of table
The foaming properties of foam discharging agent composition in 4 comparative example 6-11 of table
Claims (9)
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) 0.2~100 parts of solid packing；
(4) 0~0.5 parts of binder.
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 4, it is characterised in that the R1For C10~C20Alkyl, C10~C20's
Alkylbenzene, R7For C2H4Or C3H6。
5. foam discharging agent composition according to claim 4, 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 solid filler is inorganic oxysalt, metal
At least one of halide, organic carboxyl acid and its salt, urea, biuret；The further preferred solid filler is preferably carbon
Hydrochlorate, bicarbonate, sulfate, phosphate, borate, metal halide, formates, acetate, tartaric acid and its salt, lemon
At least one of acid and its salt, phthalic acid and its salt, gallic acid and its salt, urea, biuret etc..
7. foam discharging agent composition according to claim 1, it is characterised in that the binder is dextrin, epoxy resin, poly- third
At least one of acrylamide, starch, cellulose, polyethylene glycol.
8. the preparation method of any foaming water discharge agent composition of a kind of claim 1~7, when binder is not equal to 0 part
When, the preparation method of the foaming water discharge agent composition includes the following steps:
(1) alkylamine, long-chain polyether nitrogenous compound, solid packing are uniformly mixed according to required mass fraction, obtain mixture；
(2) binder adds water to whole dissolutions, obtains binder solution；
(3) mixture that step (1) obtains and the binder solution that step (2) obtains are uniformly mixed, compression moulding, are made solid
Body foam drainage rod, as the foaming water discharge agent composition；
When binder is equal to 0 part, the preparation method of the foaming water discharge agent composition includes the following steps:
(1) alkylamine, long-chain polyether nitrogenous compound, solid packing are uniformly mixed according to required mass fraction, obtain mixture；
(2) the foaming water discharge agent composition of solid is made in said mixture compression moulding again.
9. the application of foam discharging agent composition according to claims 1 to 7 in water pumping gas production, it is characterised in that the application
In be applicable in gas well pH value=3~7.
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