CN107400505A - High-temperature solid foam scrubbing agent and preparation method thereof - Google Patents
High-temperature solid foam scrubbing agent and preparation method thereof Download PDFInfo
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- CN107400505A CN107400505A CN201710546204.9A CN201710546204A CN107400505A CN 107400505 A CN107400505 A CN 107400505A CN 201710546204 A CN201710546204 A CN 201710546204A CN 107400505 A CN107400505 A CN 107400505A
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- sodium carbonate
- solid foam
- water
- stearic acid
- alkyl sulfate
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- 239000008259 solid foam Substances 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 238000005201 scrubbing Methods 0.000 title abstract 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 94
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 55
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 41
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 26
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 26
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000008117 stearic acid Substances 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- BTBJBAZGXNKLQC-UHFFFAOYSA-N ammonium lauryl sulfate Chemical compound [NH4+].CCCCCCCCCCCCOS([O-])(=O)=O BTBJBAZGXNKLQC-UHFFFAOYSA-N 0.000 claims abstract description 21
- 150000008051 alkyl sulfates Chemical class 0.000 claims abstract description 16
- 238000007599 discharging Methods 0.000 claims description 36
- 239000000203 mixture Substances 0.000 claims description 27
- 239000011734 sodium Substances 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 12
- MOTZDAYCYVMXPC-UHFFFAOYSA-N dodecyl hydrogen sulfate Chemical compound CCCCCCCCCCCCOS(O)(=O)=O MOTZDAYCYVMXPC-UHFFFAOYSA-N 0.000 claims description 10
- 229940043264 dodecyl sulfate Drugs 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 9
- 229910052708 sodium Inorganic materials 0.000 claims description 8
- -1 Sodium alkyl sulfate Chemical class 0.000 claims description 7
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 3
- 235000011152 sodium sulphate Nutrition 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims 1
- 239000006260 foam Substances 0.000 abstract description 23
- 238000005187 foaming Methods 0.000 abstract description 7
- 238000011049 filling Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 abstract description 3
- 238000003860 storage Methods 0.000 abstract description 3
- 229940063953 ammonium lauryl sulfate Drugs 0.000 abstract 1
- 239000004088 foaming agent Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 206010015137 Eructation Diseases 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 235000019082 Osmanthus Nutrition 0.000 description 1
- 241000333181 Osmanthus Species 0.000 description 1
- 102220470372 Thymosin beta-10_K12A_mutation Human genes 0.000 description 1
- WJEIYVAPNMUNIU-UHFFFAOYSA-N [Na].OC(O)=O Chemical compound [Na].OC(O)=O WJEIYVAPNMUNIU-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 208000027687 belching Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002079 cooperative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 239000008258 liquid foam Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- PANBYUAFMMOFOV-UHFFFAOYSA-N sodium;sulfuric acid Chemical compound [Na].OS(O)(=O)=O PANBYUAFMMOFOV-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
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
- C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
- C09K8/584—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 surfactants
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Detergent Compositions (AREA)
- Cosmetics (AREA)
Abstract
The invention relates to the technical field of oil field oil extraction engineering, and provides a high-temperature solid foam scrubbing agent for water and gas extraction of a gas well and a preparation method thereof, aiming at solving the problems of low performance and poor water drainage effect of the foam scrubbing agent for a high-temperature and deep gas well; the storage and the filling in winter are inconvenient, and the like. The high-temperature solid foam scrubbing agent comprises the following components in percentage by weight: 20-30% of alkyl sulfate and ammonium lauryl sulfate C12H25SO4NH410 to 15 percent of stearic acid C18H36O225 to 35 percent of sodium carbonate Na2CO38-12 percent of water and the balance of water; the invention also provides a preparation method of the foam scrubbing agent. The invention is suitable for deep gas wells with well temperature of more than or equal to 120 ℃ or well depth of more than or equal to 3500m(ii) a The foaming agent is particularly suitable for gas wells for continuously producing intermittent drainage, and has good foaming performance and strong foam stability under the high-temperature condition; the storage and the transportation are convenient; low pollution and the like.
Description
Technical field
The present invention relates to oil extraction in oil field field of engineering technology, there is provided a kind of high-temp solid for gas well water pumping gas production steeps row
Agent and preparation method.
Background technology
After gas well production water, belching well is gradually become, or even is stopped production, drainage gas recovery need to be carried out and resumed production.Foam is arranged
Water is that a kind of technique is simple, cost-effective drainage gas recovery.At present, conventional foam discharging agent is liquid-type, in well temperature >=120
DEG C, foaming properties reduce under the conditions of well depth >=3500m, drainage effect is deteriorated;Well head need to be carried out during construction dosing pump is set by people
Work operation filling, is not applied to for the gas well of intermittent drainage;Thicken or solidify under cryogenic conditions, winter storage and filling are not
Just.Therefore, to overcome conventional foam discharging agent deficiency, a kind of high-temp solid foam discharging agent is invented, meets high temperature, deep gas well, especially
Intermittent drainage gas well liquid loading technological requirement.
The content of the invention
Present invention aims at providing, foam effect at high temperature is good, and meets high temperature, deep gas well, especially interval
A kind of high-temp solid foam discharging agent and preparation method of draining gas well gas producing technology requirement.
The technical scheme that the present invention takes is:A kind of high-temp solid foam discharging agent, it is by alkyl sulfate, Texapon Special
C12H25SO4NH4, stearic acid C18H36O2, sodium carbonate Na2CO3And water composition, their percentage by weight are:Alkyl sulfate
20%~30%, Texapon Special C12H25SO4NH410%~15%, stearic acid C18H36O225%~35%, sodium carbonate Na2CO38%
~12%, remaining is water;
A kind of preparation method of high-temp solid foam discharging agent:
(1)Weight is weighed respectively than the alkyl sulfate for 20%~30%, 10%~15% Texapon Special C12H25SO4NH4,
25%~35% stearic acid C18H36O2, 8%~12% sodium carbonate Na2CO3;Remaining is water;
(2)By alkyl sulfate, Texapon Special C12H25SO4NH4It is separately added into reactor, stirring >=2h, mixing speed
For≤100r/min, standing >=4h, uniform thick liquid nano mixture is formed;
(3)By stearic acid C18H36O2Add in reactor, be heated to 60 DEG C~70 DEG C, constant temperature is stirred to stearic acid to melt and mixed
Uniformly, liquid mixture is formed;
(4)By sodium carbonate Na2CO3, water add in low temperature thermostat bath or thermostatic drying chamber, be heated to 30 DEG C~40 DEG C, constant temperature stirs
Mix to being completely dissolved, form sodium carbonate liquor;
(5)By sodium carbonate Na2CO3Solution is added in reactor, and for stirring at low speed to being well mixed, mixing speed is≤50r/min,
Form thick liquid nano mixture;
(6)Entire mixture in reactor is taken out, prefabricated mould is injected, standing >=2h, is easy to Bubble;
(7)By mould as in thermostatic drying chamber, being heated to 30 DEG C~40 DEG C, freeze-day with constant temperature >=24h, normal temperature is cooled to, taken out,
The demoulding, scraper surface burr, is polished smooth, and is packed, is produced high-temp solid foam discharging agent finished product.
Alkyl sulfate is sldium lauryl sulfate C12H25SO4Na、C13~16Sodium alkyl sulfate C13~16H27~33SO4Na, rice-pudding
Benevolence alcohol sodium sulphate C16H33SO4One kind or any several combination in Na.
The present invention high-temp solid foam discharging agent drainage principle be:
Alkyl sulfate has stronger foaming properties, good hard water resistance property and resistance to acids and bases;With alias ALSA or the K12A moon
Osmanthus base ammonium sulfate C12H25SO4NH4After mixing, splendid cooperative effect can be produced, the foaming properties under >=120 DEG C of hot conditions
Significantly improve, drainage performance is good, suitable for well temperature >=120 DEG C, or well depth >=3500m deep gas well;Especially suitable for continuous
Produce the gas well of intermittent drainage.
It is of the invention that there is advantages below compared with existing foam discharging agent:
1)There is excellent frothing capacity under the high temperature conditions, foam stability is strong, suitable for well temperature >=120 DEG C or well depth >=
3500m deep gas well;
2)It can be moulded into regulation shape in the solid foam discharging agent production process that the present invention synthesizes by prefabricated mould, be not required to during use dilute
Release, can be stored directly in wellhead chemicals-feeder, realize and launch periodically, automatically, avoid conventional liquid foam discharging agent from needing manual operation
The problem of filling, the gas well especially suitable for continuous production intermittent drainage;
3)The solid foam discharging agent that the present invention synthesizes is constant in -30 DEG C~40 DEG C physical properties, and stability is good, is easy to pack, stores
And transport.
4)The solid foam discharging agent simple production process that the present invention synthesizes, environmental pollution are small.
Embodiment:With reference to embodiment, the invention will be further described:A kind of high-temp solid foam discharging agent, it
By alkyl sulfate, Texapon Special C12H25SO4NH4, stearic acid C18H36O2, sodium carbonate Na2CO3And water composition, they
Percentage by weight be:Alkyl sulfate 20%~30%, Texapon Special C12H25SO4NH410%~15%, stearic acid
C18H36O225%~35%, sodium carbonate Na2CO38%~12%, remaining is water;
A kind of preparation method of high-temp solid foam discharging agent:
(1)Weight is weighed respectively than the alkyl sulfate for 20%~30%, 10%~15% Texapon Special C12H25SO4NH4,
25%~35% stearic acid C18H36O2, 8%~12% sodium carbonate Na2CO3;Remaining is water;
(2)By alkyl sulfate, Texapon Special C12H25SO4NH4It is separately added into reactor, stirring >=2h, mixing speed
For≤100r/min, standing >=4h, uniform thick liquid nano mixture is formed;
(3)By stearic acid C18H36O2Add in reactor, be heated to 60 DEG C~70 DEG C, constant temperature is stirred to stearic acid to melt and mixed
Uniformly, liquid mixture is formed;
(4)By sodium carbonate Na2CO3, water add in low temperature thermostat bath or thermostatic drying chamber, be heated to 30 DEG C~40 DEG C, constant temperature stirs
Mix to being completely dissolved, form sodium carbonate liquor;
(5)By sodium carbonate Na2CO3Solution is added in reactor, and for stirring at low speed to being well mixed, mixing speed is≤50r/min,
Form thick liquid nano mixture;
(6)Entire mixture in reactor is taken out, prefabricated mould is injected, standing >=2h, is easy to Bubble;
(7)By mould as in thermostatic drying chamber, being heated to 30 DEG C~40 DEG C, freeze-day with constant temperature >=24h, normal temperature is cooled to, taken out,
The demoulding, scraper surface burr, is polished smooth, and is packed, is produced high-temp solid foam discharging agent finished product.
Alkyl sulfate is sldium lauryl sulfate C12H25SO4Na、C13~16Sodium alkyl sulfate C13~16H27~33SO4Na, rice-pudding
Benevolence alcohol sodium sulphate C16H33SO4One kind or any several combination in Na.
Embodiment 1:This example provides a kind of gas well high-temp solid foam discharging agent SG-1.
SG-1 type high-temp solid foam discharging agents, it is by sldium lauryl sulfate C12H25SO4Na, Texapon Special
C12H25SO4NH4, stearic acid C18H36O2, sodium carbonate Na2CO3And water composition, their percentage by weight are:Laruyl alcohol sulfuric acid
Sodium C12H25SO4Na30%, Texapon Special C12H25SO4NH415%th, stearic acid C18H36O225%th, sodium carbonate Na2CO38%th, remaining
For water;
(1)Weight is weighed respectively than the sldium lauryl sulfate C for 30%12H25SO4Na, 15% Texapon Special
C12H25SO4NH4, 25% stearic acid C18H36O2, 8% sodium carbonate Na2CO3;Remaining is water;
(2)By sldium lauryl sulfate C12H25SO4Na, Texapon Special C12H25SO4NH4It is separately added into reactor, stirs
2h, mixing speed 100r/min, 4h is stood, forms uniform thick liquid nano mixture;
(3)By stearic acid C18H36O2Add in reactor, be heated to 60 DEG C, constant temperature, which is stirred to stearic acid, melts well mixed, shape
Into liquid mixture;
(4)By sodium carbonate Na2CO3, water add low temperature thermostat bath, be heated to 30 DEG C, constant temperature is stirred to being completely dissolved, and forms carbonic acid
Sodium solution;
(5)By sodium carbonate Na2CO3Solution is added in reactor, stirring at low speed to well mixed, mixing speed 50r/min, shape
Into thick liquid nano mixture;
(6)Entire mixture in reactor is taken out, injects prefabricated mould, 2h is stood, is easy to Bubble;
(7)By mould as in thermostatic drying chamber, being heated to 30 DEG C, freeze-day with constant temperature 96h, normal temperature is cooled to, taken out, the demoulding, scraped
Except surface spikes, polish smooth, pack, produce SG-1 type high-temp solid foam discharging agent finished products.
Embodiment 2:This example provides a kind of gas well high-temp solid foam discharging agent SKG-1.
SKG-1 type high-temp solid foam discharging agents, it is by sldium lauryl sulfate C12H25SO4Na、C13~16Sodium alkyl sulfate
C13~16H27~33SO4Na, Texapon Special C12H25SO4NH4, stearic acid C18H36O2, sodium carbonate Na2CO3And water composition, it
Percentage by weight be:Sldium lauryl sulfate C12H25SO4Na10%、C13~16Sodium alkyl sulfate C13~16H27~33SO4Na10%、
Texapon Special C12H25SO4NH410%th, stearic acid C18H36O235%th, sodium carbonate Na2CO312%th, remaining is water;
The preparation method of SKG-1 type high-temp solid foam discharging agents:
(1)Weight is weighed respectively than the sldium lauryl sulfate C for 10%12H25SO4Na, 10% C13~16Sodium alkyl sulfate
C13~16H27~33SO4Na, 10% Texapon Special C12H25SO4NH4, 35% stearic acid C18H36O2, 12% sodium carbonate
Na2CO3;Remaining is water;
(2)By sldium lauryl sulfate C12H25SO4Na、C13~16Sodium alkyl sulfate C13~16H27~33SO4Na, Texapon Special
C12H25SO4NH4It is separately added into reactor, stirs 2h, mixing speed 100r/min, stands 4h, form uniform thick liquid
Shape mixture;
(3)By stearic acid C18H36O2Add in reactor, be heated to 70 DEG C, constant temperature, which is stirred to stearic acid, melts well mixed, shape
Into liquid mixture;
(4)By sodium carbonate Na2CO3, water add in thermostatic drying chamber, be heated to 40 DEG C, constant temperature is stirred to being completely dissolved, and forms carbon
Acid sodium solution;
(5)By sodium carbonate Na2CO3Solution is added in reactor, stirring at low speed to well mixed, mixing speed 30r/min, shape
Into thick liquid nano mixture;
(6)Entire mixture in reactor is taken out, injects prefabricated mould, 2h is stood, is easy to Bubble;
(7)By mould as in thermostatic drying chamber, being heated to 40 DEG C, freeze-day with constant temperature 24h, normal temperature is cooled to, taken out, the demoulding, scraped
Except surface spikes, polish smooth, pack, produce SKG-1 type high-temp solid foam discharging agent finished products.
Embodiment 3:Solid foam discharging agent SG-1, SKG-1 that the present embodiment is provided above-described embodiment 1, embodiment 2 are 120
Foaming properties are tested under DEG C temperature conditionss.
This embodiment is evaluated solid foam discharging agent foaming properties, and using initial air-flow method, experimental provision is HTHP
Foam performance evaluation device, determine initial foam height H at 120 DEG C0, 3min foam heights H3, 5min foam heights H5.Wherein
Initial foam height H0Represent foam discharging agent frothing capacity, 3min foam heights H3, 5min foam heights H5Represent foam discharging agent in difference
Foam stability under the conditions of well depth, above-mentioned 3 desired values are bigger, show that foam discharging agent performance is better.
Experimental data is shown in Table 1.
Foaming properties capacity measurement data at 1 120 DEG C of table
As can be seen from Table 1 at 120 DEG C, SG-1, SKG-1 type solid foam discharging agent play initial foam height H0>=150mm, 3min steep
Foam height H3 >=130mm, 5min height H5 >=130mm, show above-mentioned solid foam discharging agent frothing capacity in high temperature deep gas well
Good, foam stability is strong, suitable for well temperature >=120 DEG C, or well depth >=3500m deep gas well;Especially suitable for continuous production
The gas well of intermittent drainage.
Claims (2)
1. a kind of high-temp solid foam discharging agent and preparation method, it is characterised in that:A kind of high-temp solid foam discharging agent, it is by alkylsurfuric acid
Salt, Texapon Special C12H25SO4NH4, stearic acid C18H36O2, sodium carbonate Na2CO3And water composition, their weight percent
Than for:Alkyl sulfate 20%~30%, Texapon Special C12H25SO4NH410%~15%, stearic acid C18H36O225%~35%,
Sodium carbonate Na2CO38%~12%, remaining is water;
A kind of preparation method of high-temp solid foam discharging agent:
(1)Weight is weighed respectively than the alkyl sulfate for 20%~30%, 10%~15% Texapon Special C12H25SO4NH4,
25%~35% stearic acid C18H36O2, 8%~12% sodium carbonate Na2CO3;Remaining is water;
(2)By alkyl sulfate, Texapon Special C12H25SO4NH4It is separately added into reactor, stirring >=2h, mixing speed
For≤100r/min, standing >=4h, uniform thick liquid nano mixture is formed;
(3)By stearic acid C18H36O2Add in reactor, be heated to 60 DEG C~70 DEG C, constant temperature, which is stirred to stearic acid, melts mixing
It is even, form liquid mixture;
(4)By sodium carbonate Na2CO3, water add in low temperature thermostat bath or thermostatic drying chamber, be heated to 30 DEG C~40 DEG C, constant temperature stirring
To being completely dissolved, sodium carbonate liquor is formed;
(5)By sodium carbonate Na2CO3Solution is added in reactor, and for stirring at low speed to being well mixed, mixing speed is≤50r/min,
Form thick liquid nano mixture;
(6)Entire mixture in reactor is taken out, prefabricated mould is injected, standing >=2h, is easy to Bubble;
(7)By mould as in thermostatic drying chamber, being heated to 30 DEG C~40 DEG C, freeze-day with constant temperature >=24h, normal temperature is cooled to, taken out,
The demoulding, scraper surface burr, is polished smooth, and is packed, is produced high-temp solid foam discharging agent finished product.
2. a kind of high-temp solid foam discharging agent according to claim 1 and preparation method, it is characterised in that:Alkyl sulfate is
Sldium lauryl sulfate C12H25SO4Na、C13~16Sodium alkyl sulfate C13~16H27~33SO4Na, rice-pudding benevolence alcohol sodium sulphate C16H33SO4In Na
One kind or any several combination.
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CN110003876A (en) * | 2019-04-28 | 2019-07-12 | 西南石油大学 | For handling the composition, method and the device that produce the lock injury of water-setting gassing well liquid |
CN113027401A (en) * | 2019-12-24 | 2021-06-25 | 中国石油化工股份有限公司 | Gas well medicament preparation method, gas well medicament and gas well medicament filling method |
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CN110003876A (en) * | 2019-04-28 | 2019-07-12 | 西南石油大学 | For handling the composition, method and the device that produce the lock injury of water-setting gassing well liquid |
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