CN109681172A - Using the method for solid foam discharging agent composition liquid discharging gas producing - Google Patents

Using the method for solid foam discharging agent composition liquid discharging gas producing Download PDF

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Publication number
CN109681172A
CN109681172A CN201710969678.4A CN201710969678A CN109681172A CN 109681172 A CN109681172 A CN 109681172A CN 201710969678 A CN201710969678 A CN 201710969678A CN 109681172 A CN109681172 A CN 109681172A
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China
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agent composition
solid foam
discharging agent
solid
foam discharging
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CN109681172B (en
Inventor
何秀娟
刘通
沈之芹
张慧
李斌
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China Petroleum and Chemical Corp
Sinopec Shanghai Research Institute of Petrochemical Technology
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China Petroleum and Chemical Corp
Sinopec Shanghai Research Institute of Petrochemical Technology
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16Enhanced recovery methods for obtaining hydrocarbons
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/58Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
    • C09K8/584Compositions 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 surfactants

Abstract

The present invention relates to a kind of methods using solid foam discharging agent composition liquid discharging gas producing.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 liquid discharging gas producing method, comprising the following steps: 1) foam discharging agent composition is put into aqueous gas well;2) by foam discharging agent composition in aqueous gas well gas and water or oil water mixture come into full contact with, formed aerated fluid, aerated fluid is then given rise into ground;Wherein, the solid foam discharging agent composition, including following components: 1 part of alkylamine with general molecular formula shown in formula (I);0.1~50 part of long-chain polyether nitrogenous compound with general molecular formula shown in formula (II);0.2~100 part of solid packing;The technical solution of 0~0.5 part of binder preferably resolves the problem, can be used in gas well water drainage-gas recovery technology.

Description

Using the method for solid foam discharging agent composition liquid discharging gas producing
Technical field
The present invention relates to a kind of method using solid foam discharging agent composition liquid discharging gas producing, especially a kind of acid gas well is adopted With the method for solid foam discharging agent composition liquid discharging gas producing.
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 technical problem to be solved by the present invention is to existing acid gas well, hydrops is excessive in the process of development, leads to gas well The underproduction even problem of stop-spraying and liquid filling difficulty, provides a kind of side using solid foam discharging agent composition liquid discharging gas producing Method, the method that especially a kind of acid gas well uses solid foam discharging agent composition liquid discharging gas producing are used for gas well water pumping gas production, can be high Effect takes liquid, has good acid resistance, frothing capacity and fluid-carrying capability.
In order to solve the above technical problems, The technical solution adopted by the invention is as follows: a kind of use solid foam discharging agent composition The method of liquid discharging gas producing, comprising the following steps:
(1) solid foam discharging agent composition is put into aqueous gas well;
(2) by solid foam discharging agent composition in aqueous gas well gas and water or gas and oil water mixture sufficiently connect Touching forms aerated fluid, aerated fluid is then given rise to ground;
Wherein, the 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:
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 It is a kind of.
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.
In above-mentioned technical proposal, the preparation method of the solid foam discharging agent composition, when binder is not equal to 0 part, Preferably 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 discharging agent composition;
When binder is equal to 0 part, the preparation method of the solid foam discharging agent composition preferably includes 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 discharging agent composition is made in said mixture compression moulding again.
In above-mentioned technical proposal, gas well pH value=3~7 are preferably applicable in the method application.
The foam discharging agent composition of the method for the present invention has good compatibility, can also contain other places commonly used in the art Agent is managed, such as surfactant, polymer, the oil recoveries auxiliary agent such as alkali.
Alkylamine and long-chain polyether nitrogenous compound, the matter under pH acid condition in the foam discharging agent composition of the method for the present invention Sonization increases the separation pressure between bubble film, and the amount of combination water and irreducible water that foaming agent carries increases, and foam carrier amount increases By force, analysis liquid slows down, and makes it possible to applied in acid effluent gas production process.
Using the technical solution of the method for the present invention, according to SY/T 6465-2000, " foam drainage gas recovery is evaluated with foaming agent 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, liquid carry over Greater than 140mL, have 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 is liquid carry over measurement device (jacketed vessel height is 1 meter), for simulating the measurement of liquid discharging gas producing liquid carry over.
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, sodium carbonate 10 grams, 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, citric acid 1 Gram, it 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, 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-9, see Table 1 for details for component structure.
[embodiment 10]
(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-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 (10)

1. a kind of method using solid foam discharging agent composition liquid discharging gas producing, comprising the following steps:
(1) solid foam discharging agent composition is put into aqueous gas well;
(2) by solid foam discharging agent composition in aqueous gas well gas and water or gas and oil water mixture come into full contact with, shape At aerated fluid, aerated fluid is then given rise into ground;
Wherein, the 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.
2. using the method for solid foam discharging agent composition liquid discharging gas producing according to claim 1, it is characterised in that the alkyl The general molecular formula of amine are as follows:
Wherein, R1For C6~C16Alkyl in any one.
3. using the method for solid foam discharging agent composition liquid discharging gas producing according to claim 1, it is characterised in that the long-chain The general molecular formula of polyethers nitrogenous compound 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. using the method for solid foam discharging agent composition liquid discharging gas producing according to claim 4, it is characterised in that the R1For C10~C20Alkyl, C10~C20Alkylbenzene, R7For C2H4Or C3H6
5. using the method for solid foam discharging agent composition liquid discharging gas producing according to claim 4, it is characterised in that the z is greater than 0。
6. using the method for solid foam discharging agent composition liquid discharging gas producing according to claim 1, it is characterised in that the solid Filler is at least one of inorganic oxysalt, metal halide, organic carboxyl acid and its salt, urea, biuret.
7. using the method for solid foam discharging agent composition liquid discharging gas producing according to claim 1, it is characterised in that the solid Filler is preferably carbonate, bicarbonate, sulfate, phosphate, borate, metal halide, formates, acetate, winestone At least one in acid and its salt, citric acid and its salt, phthalic acid and its salt, gallic acid and its salt, urea, biuret etc. Kind.
8. using the method for solid foam discharging agent composition liquid discharging gas producing according to claim 1, it is characterised in that the bonding Agent is at least one of dextrin, epoxy resin, polyacrylamide, starch, cellulose, polyethylene glycol.
9. any method using solid foam discharging agent composition liquid discharging gas producing according to claim 1~8, it is characterised in that When binder is not equal to 0 part, the preparation method of the solid foam discharging 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 solid foam discharging agent composition;
When binder is equal to 0 part, the preparation method of the solid foam discharging 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 solid foam discharging agent composition is made in said mixture compression moulding again.
10. any method using solid foam discharging agent composition liquid discharging gas producing, feature exist according to claim 1~8 In aqueous gas well pH value=3~7.
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