CN109681176A - Using the method for oil resistant foam discharging agent composition liquid discharging gas producing - Google Patents
Using the method for oil resistant foam discharging agent composition liquid discharging gas producing Download PDFInfo
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- CN109681176A CN109681176A CN201710969873.7A CN201710969873A CN109681176A CN 109681176 A CN109681176 A CN 109681176A CN 201710969873 A CN201710969873 A CN 201710969873A CN 109681176 A CN109681176 A CN 109681176A
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- foam discharging
- discharging agent
- gas producing
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- 239000006260 foam Substances 0.000 title claims abstract description 68
- 239000000203 mixture Substances 0.000 title claims abstract description 62
- 238000007599 discharging Methods 0.000 title claims abstract description 54
- 239000007788 liquid Substances 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 74
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 229920000570 polyether Polymers 0.000 claims abstract description 55
- 238000005187 foaming Methods 0.000 claims abstract description 44
- 235000019198 oils Nutrition 0.000 claims abstract description 31
- SRSXLGNVWSONIS-UHFFFAOYSA-M benzenesulfonate Chemical compound [O-]S(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-M 0.000 claims abstract description 29
- 229940077388 benzenesulfonate Drugs 0.000 claims abstract description 29
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 27
- 150000003973 alkyl amines Chemical class 0.000 claims abstract description 27
- -1 nitrogenous compound Chemical class 0.000 claims abstract description 26
- 239000012530 fluid Substances 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 239000002105 nanoparticle Substances 0.000 claims abstract description 6
- 238000005086 pumping Methods 0.000 claims abstract description 6
- 235000019476 oil-water mixture Nutrition 0.000 claims abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 34
- 239000000377 silicon dioxide Substances 0.000 claims description 17
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- KWLMIXQRALPRBC-UHFFFAOYSA-L hectorite Chemical compound [Li+].[OH-].[OH-].[Na+].[Mg+2].O1[Si]2([O-])O[Si]1([O-])O[Si]([O-])(O1)O[Si]1([O-])O2 KWLMIXQRALPRBC-UHFFFAOYSA-L 0.000 claims description 3
- 229910000271 hectorite Inorganic materials 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 2
- 229910001413 alkali metal ion Inorganic materials 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 125000001118 alkylidene group Chemical group 0.000 claims 1
- 241000521257 Hydrops Species 0.000 abstract description 3
- 206010030113 Oedema Diseases 0.000 abstract description 3
- 238000011161 development Methods 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 abstract description 2
- 230000007812 deficiency Effects 0.000 abstract 1
- 235000020681 well water Nutrition 0.000 abstract 1
- 239000002349 well water Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 28
- 239000007789 gas Substances 0.000 description 25
- 239000000243 solution Substances 0.000 description 18
- 238000004090 dissolution Methods 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 6
- 239000004094 surface-active agent Substances 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000004088 foaming agent Substances 0.000 description 3
- 230000002209 hydrophobic effect Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical group FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000004996 alkyl benzenes Chemical class 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 229960003237 betaine Drugs 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000003672 gas field water Substances 0.000 description 1
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical compound C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- YWFWDNVOPHGWMX-UHFFFAOYSA-N n,n-dimethyldodecan-1-amine Chemical compound CCCCCCCCCCCCN(C)C YWFWDNVOPHGWMX-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
-
- 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
- C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
- C09K2208/10—Nanoparticle-containing well treatment fluids
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
Abstract
The present invention relates to a kind of methods using oil resistant foam discharging agent composition liquid discharging gas producing.The problem of mainly existing foaming water discharge agent forms foam oil resistivity deficiency in solution CONDENSATE OIL AND GAS well development, and foaming water discharge performance is poor, leads to shaft bottom hydrops, the gas well underproduction or even stop-spraying.The present invention passes through: 1) foam discharging agent composition or foam discharging agent composition solution being injected aqueous gas well；2) by foam discharging agent composition or foam discharging agent composition solution in aqueous gas well gas and water or oil water mixture come into full contact with, form aerated fluid, aerated fluid then given rise into ground；Wherein, the foam discharging agent composition includes following components: 1 part of alkylamine polyethers benzene sulfonate 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)；The technical solution of 0~10 part of nano particle preferably resolves the problem, can be used in gas well water pumping gas production industry.
Description
Technical field
The present invention relates to a kind of methods using oil resistant foam discharging agent composition liquid discharging gas producing, especially a kind of for containing condensation
The method that oil/gas well uses 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 foaming water discharge agent generates the foam with certain stability under the agitation of air-flow.The liquid phase that deposition is slipped in pipe becomes
For foam, change the relative density of lower curtate bit stream body in managing, quantity-produced gas phase displacement foam flows out pit shaft, so that well be discharged
Interior hydrops, achievees the purpose that water pumping gas production.
However, foam has " the quick property of oil ", after crude oil contacts foam, sprawls or emulsify in gas-liquid and liquid film, outside
It is entered in foaming structure under the action of power and interfacial tension, so that foam contacting oils rear stability reduces.
The foam system for the most oil resistances reported at present is fluorocarbon surfactant, due to hydrogen atom in its hydrophobic chain
It is replaced by fluorine atoms, so that its hydrophobic chain, that is, hydrophobic and oleophobic, increases the oil resistivity of foam.However fluorocarbon surfactant produces
At high cost, expensive, poor biocompatibility, large-scale application may bring a series of environmental and safety problems, because
This still cannot replace hc-surfactant although its performance is brilliant.
The development of foreign countries' foaming water discharge agent since the eighties of last century sixties, multiselect sulfonate, benzene sulfonate, alkyl
The surfactants such as phenol polyethenoxy ether.Recompounded multielement system is mostly used greatly with foaming water discharge agent to current water pumping gas production, in order to
Enhance the stability of single foam, the auxiliary agents such as alkali, alcohol, polymer, alkanolamide are usually additionally added in formula and form strengthening foam.
CN104531122A discloses a kind of oil resistant solid of resistance to salinity foam discharging agent, each component content by weight percentage are as follows: AES20-
40%, OP-10 content 5-20%, polyacrylamide 0.1-0.5%, thiocarbamide 0-20%, paraffin 40-60%, in various water type
In have preferable fluid-carrying capability, but its resistance to oil content is only 10%.
Summary of the invention
The technical problem to be solved by the present invention is to foaming water discharge agent existing in gas well development process formed foam oil resistivity,
The problem of temperature tolerance is insufficient, and foaming water discharge performance is poor, leads to shaft bottom hydrops, the gas well underproduction or even stop-spraying, provides a kind of use
The method of oil resistant foam discharging agent composition liquid discharging gas producing is applied to water pumping gas production containing condensate well, can efficiently take liquid, has fine
Oil resistivity, thermal stability, 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 oil resistant foam discharging agent composition
The method of liquid discharging gas producing, comprising the following steps:
(1) foam discharging agent composition or foam discharging agent composition solution are injected into aqueous gas well；
(2) by the gas and water or oil water mixture in foam discharging agent composition or foam discharging agent composition solution and aqueous gas well
It comes into full contact with, forms aerated fluid, aerated fluid is then given rise into ground；
Wherein, the foam discharging agent composition, in terms of mass fraction, including following components:
(1) 1 part of alkylamine polyethers benzene sulfonate；
(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 polyethers benzene sulfonate is preferred are as follows:
Wherein, R ' is C8~C20Alkyl in any one；M, n, p, q are the arbitrary number for being independently selected from 0~20, m+n
≥1.Further, m+p is preferably 1~5 arbitrary number, and n+q is preferably 5~15 arbitrary number, X be alkali metal ion or ammonium root from
At least one of son.
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；R2Selected from C1~
C4Alkylidene；R3、R4It is independently selected from C1~C5Alkyl, replace alkyl in any one.
In above-mentioned technical proposal, the R1For C10~C26Fat-based or aromatic radical, can containing acyl group, carbonyl, ether,
The groups such as hydroxyl, can be saturated carbon chains, can also contain unsaturated carbon chains, as preferred R1Preferred embodiment be C10~C20's
Alkyl, alkylbenzene；R2Preferably C2H4Or C3H6, z is preferably greater than 0.
In above-mentioned technical proposal, the nano particle is preferably nano silica, calcium carbonate, at least one in hectorite
Kind, more preferably nano silica.
Foaming water discharge agent composition in the present invention does not have particular/special requirement to water, can be deionized water when preparing, also
It can be 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 oil resistant foaming water discharge agent composition preferably includes following steps:
By alkylamine polyethers benzene sulfonate, long-chain polyether nitrogenous compound and the nano particle according to required mass parts
Number, is uniformly mixed with water, obtains the water pumping gas production oil resistant foaming water discharge agent composition.
In above-mentioned technical proposal, condensation oil content is 0~40% in the application.
Key active ingredient alkylamine polyethers benzene sulfonate, the long-chain polyether of the foaming water discharge agent composition of the method for the present invention
Nitrogenous compound, one skilled in the art will appreciate that can be used for the ease of transporting and storing or scene uses etc. considers
Various supply forms, for example, water-free solid-state form perhaps aqueous solid-state form perhaps aqueous cream form or
Aqueous solution form；Aqueous solution form includes that the form of concentrate is made into water, the foam of concentration needed for being directly made into the live displacement of reservoir oil
Water discharge agent form；Wherein, there is no particular/special requirement to water, can be deionized water, can also be the water containing inorganic mineral, and contain
The water of inorganic mineral can be tap water, oil gas field water flooding or oil gas field injection water.
The foaming water discharge agent composition of the method for the present invention has good compatibility, can also be containing commonly used in the art its
Its inorganic agent.
Alkylamine polyethers benzene sulfonate and long-chain polyether nitrogenous compound contain in the foam discharging agent composition of the method for the present invention
Containing there are two sulfonate radical in more hydrophilic group functional groups, especially alkylamine polyethers benzene sulfonate, on the one hand more hydrophilic groups to steep
The amount of combination water and irreducible water that foam agent carries increases, and foam carrier amount enhancing, analysis liquid slows down, and on the other hand, more hydrophilic groups increase
The strong hydrophily of foaming agent, reduces lipophilic, increases oil water interfacial tension, to have good oil resistance.In addition, alkane
Base amine polyethers benzene sulfonate and long-chain polyether nitrogenous compound include the nonionics segments such as EO, PO, can dramatically increase foam discharging agent
Salt resistant character.Long-chain polyether nitrogenous compound is a kind of amine oxide simultaneously, influenced by pH value it is smaller, under neutral or alkalinity
At nonionic surfactant, cationic is shown under acid condition, is a kind of polyfunctional surfactant, there is stronger foam enhancing
Foam stability energy has good synergistic effect with anion surfactant.
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 to the foaming water discharge agent, in 100,000mg/L salinity salt water, foam height is greater than 140mm, coagulates
Condensate oil content 0~40%, liquid carry over are greater than 140mL, have good salt tolerant, frothing capacity, fluid-carrying capability and oil resistance take
Obtained 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]
At normal temperatures and pressures, alkylamine polyethers benzene sulfonate, long-chain polyether nitrogenous compound are weighed, nano silica is pressed
According to mass ratio 1:2:1 in the aqueous dissolution of 100,000mg/L salinity, the solution of 1.0wt% is configured to get foaming water discharge
Agent composition HF-1.Component structure is as shown in table 1.
[embodiment 2]
At normal temperatures and pressures, alkylamine polyethers benzene sulfonate, long-chain polyether nitrogenous compound are weighed, nano silica is pressed
According to mass ratio 1:10:5 in the aqueous dissolution of 100,000mg/L salinity, the solution of 1.0wt% is configured to get foam row
Aqua composition HF-2.Component structure is as shown in table 1.
[embodiment 3]
At normal temperatures and pressures, alkylamine polyethers benzene sulfonate, long-chain polyether nitrogenous compound are weighed, nano silica is pressed
According to mass ratio 1:0.2:0.5 in the aqueous dissolution of 100,000mg/L salinity, the solution of 1.0wt% is configured to get foam
Water discharge agent composition HF-3.Component structure is as shown in table 1.
[embodiment 4]
At normal temperatures and pressures, alkylamine polyethers benzene sulfonate, long-chain polyether nitrogenous compound are weighed, nano silica is pressed
According to mass ratio 1:1:0.1 in the aqueous dissolution of 100,000mg/L salinity, the solution of 1.0wt% is configured to get foam row
Aqua composition HF-4.Component structure is as shown in table 1.
[embodiment 5]
At normal temperatures and pressures, alkylamine polyethers benzene sulfonate, long-chain polyether nitrogenous compound are weighed, nano silica is pressed
According to mass ratio 1:0.5:0.5 respectively in the aqueous dissolution of 100,000mg/L salinity, be configured to the solution of 1.0wt% to get
Foaming water discharge agent composition HF-5.Component structure is as shown in table 1.
[embodiment 6]
At normal temperatures and pressures, alkylamine polyethers benzene sulfonate, long-chain polyether nitrogenous compound are weighed, nano silica is pressed
According to mass ratio 1:2:1 in the aqueous dissolution of 100,000mg/L salinity, the solution of 1.0wt% is configured to get foaming water discharge
Agent composition HF-6.Component structure is as shown in table 1.
[embodiment 7]
At normal temperatures and pressures, alkylamine polyethers benzene sulfonate, long-chain polyether nitrogenous compound are weighed, nano silica is pressed
According to mass ratio 1:3:0.5 in the aqueous dissolution of 100,000mg/L salinity, the solution of 1.0wt% is configured to get foam row
Aqua composition HF-7.Component structure is as shown in table 1.
[embodiment 8]
At normal temperatures and pressures, alkylamine polyethers benzene sulfonate, long-chain polyether nitrogenous compound are weighed, nano silica is pressed
According to mass ratio 1:50:10 in the aqueous dissolution of 100,000mg/L salinity, the solution of 1.0wt% is configured to get foam row
Aqua composition HF-8.Component structure is as shown in table 1.
[embodiment 9]
At normal temperatures and pressures, alkylamine polyethers benzene sulfonate, long-chain polyether nitrogenous compound are weighed, nano silica is pressed
According to mass ratio 1:2:1 in the aqueous dissolution of 100,000mg/L salinity, the solution of 1.0wt% is configured to get foaming water discharge
Agent composition HF-9.Component structure is as shown in table 1.
[embodiment 10]
At normal temperatures and pressures, alkylamine polyethers benzene sulfonate, long-chain polyether nitrogenous compound are weighed, nano silica is pressed
According to mass ratio 1:2:1 in the aqueous dissolution of 100,000/L salinity, the solution of 1.0wt% is configured to get foaming water discharge agent
Composition HF-10.Component structure is as shown in table 1.
[embodiment 11]
At normal temperatures and pressures, alkylamine polyethers benzene sulfonate, long-chain polyether nitrogenous compound are weighed, nano silica is pressed
According to mass ratio 1:2:1 in the aqueous dissolution of 100,000mg/L salinity, the solution of 1.0wt% is configured to get foaming water discharge
Agent composition HF-11.Component structure is as shown in table 1.
[embodiment 12]
At normal temperatures and pressures, weigh alkylamine polyethers benzene sulfonate, long-chain polyether nitrogenous compound, nanometer calcium carbonate according to
Mass ratio 1:2:1 is configured to the solution of 1.0wt% in the aqueous dissolution of 100,000mg/L salinity to get foaming water discharge agent
Composition HF-12.Component structure is as shown in table 1.
[embodiment 13]
At normal temperatures and pressures, weigh alkylamine polyethers benzene sulfonate, long-chain polyether nitrogenous compound, nanometer hectorite according to
Mass ratio 1:2:1 is configured to the solution of 1.0wt% in the aqueous dissolution of 100,000mg/L salinity to get foaming water discharge agent
Composition HF-13.Component structure is as shown in table 1.
[embodiment 14]
At normal temperatures and pressures, alkylamine polyethers benzene sulfonate is weighed, long-chain polyether nitrogenous compound exists according to mass ratio 1:2
The aqueous dissolution of 100,000mg/L salinities is configured to the solution of 1.0wt% to get foaming water discharge agent composition HF-14.
Component structure is as shown in table 1.
[embodiment 15]
Referring to SY/T 6465-2000 " foam drainage gas recovery foaming agent evaluation method " standard, foaming water discharge agent is measured
Initial bubbles height and 5 minutes remaining foam heights, the results are shown in Table shown in 2.
The nitrogen of 5000mL/min is continuously passed through the foaming water discharge that condensate volume content is respectively 0,20% and 40%
Agent aqueous solution measures foam carrier amount in 15 minutes, the results are shown in Table shown in 2.Liquid carry over measurement device such as Fig. 1 institute of use
Show.
[comparative example 1]
The alkylamine polyethers benzene sulfonate and nano silica in [embodiment 1-5] are used, long-chain polyether is added without and contains
Nitrogen compound is prepared into foaming water discharge agent composition, referring to the method in [embodiment 15], measures the initial of foaming water discharge agent and rises
Bubble height and 5 minutes remaining foam heights, foaming water discharge agent is measured when condensation oil content is respectively 0,20% and 40% takes liquid
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 polyethers is added without
Benzene sulfonate is prepared into foaming water discharge agent composition, referring to the method in [embodiment 15], measures the initial of foaming water discharge agent and rises
Bubble height and 5 minutes remaining foam heights, foaming water discharge agent is measured when condensation oil content is respectively 0,20% and 40% takes liquid
Amount, the results are shown in Table shown in 4.
[comparative example 3]
Alkylamine polyethers benzene sulfonate and dodecyldimethylamine base glycine betaine in [embodiment 1] is used to be prepared into foam row
Aqua composition measures the initial bubbles height and 5 minutes remaining foams of foaming water discharge agent referring to the method in [embodiment 15]
Highly, the liquid carry over that foaming water discharge agent is measured when condensation oil content is respectively 0,20% and 40%, the results are shown in Table shown in 5.
Composition component structure in 1 embodiment of table
The foaming properties of foaming water discharge agent composition in 2 embodiment of table
The foaming properties of foaming water discharge agent composition in 3 comparative example 1 of table
The foaming properties of foaming water discharge 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 method using foam discharging agent composition liquid discharging gas producing, comprising the following steps:
(1) foam discharging agent composition or foam discharging agent composition solution are injected into aqueous gas well；
(2) by foam discharging agent composition or foam discharging agent composition solution in aqueous gas well gas and water or oil water mixture it is abundant
Contact forms aerated fluid, aerated fluid is then given rise to ground；
Wherein, the foam discharging agent composition, in terms of mass fraction, including following components:
1) 1 part of alkylamine polyethers benzene sulfonate；
2) 0.1~50 part of long-chain polyether nitrogenous compound；
3) 0~10 part of nano particle；
The alkylamine polyethers benzene sulfonate has general molecular formula shown in formula (I):
In formula (I), the R' is C8~C20Alkyl in any one；The arbitrary number that m, n, p, q are 0~20, m+n >=1, X
For at least one of alkali metal ion or ammonium ion；
The long-chain polyether nitrogenous compound has general molecular formula shown in formula (II):
In formula (II), R1For C10~C26Fat-based or C10~C26Aromatic radical；Y=0~20, z=0~60；R2For C1~C4
Alkylidene；R3、R4For C1~C5Alkyl, replace alkyl in any one.
2. using the method for foam discharging agent composition liquid discharging gas producing according to claim 1, it is characterised in that the m+p is 1~5
Arbitrary number.
3. according to claim 1 use foam discharging agent composition liquid discharging gas producing method, it is characterised in that the n+q be 5~
15 arbitrary number.
4. using the method for foam discharging agent composition liquid discharging gas producing according to claim 1, it is characterised in that the R1For C10~
C20Alkyl, C10~C20Alkylbenzene.
5. using the method for foam discharging agent composition liquid discharging gas producing according to claim 1, it is characterised in that the R2For C2H4Or
C3H6。
6. using the method for foam discharging agent composition liquid discharging gas producing according to claim 1, it is characterised in that the z is greater than 0.
7. the method according to claim 1 using foam discharging agent composition liquid discharging gas producing, it is characterised in that the nanometer
Grain is nano silica, calcium carbonate, one of hectorite.
8. the method according to claim 1 using foam discharging agent composition liquid discharging gas producing, it is characterised in that the nanometer
Grain is nano silica.
9. -8 any method using foam discharging agent composition liquid discharging gas producing according to claim 1, it is characterised in that described
The preparation method of foaming water discharge agent composition, comprising the following steps:
By alkylamine polyethers benzene sulfonate, long-chain polyether nitrogenous compound and the nano particle according to required mass fraction,
It is uniformly mixed with water, obtains the water pumping gas production foaming water discharge agent composition.
10. according to claim 1 using the method for foam discharging agent composition liquid discharging gas producing described in -8, it is characterised in that the application
Middle condensation oil content is 0~40%.
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