CN106433597A - Foaming drainage agent, preparation method and application - Google Patents
Foaming drainage agent, preparation method and application Download PDFInfo
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- CN106433597A CN106433597A CN201610824697.3A CN201610824697A CN106433597A CN 106433597 A CN106433597 A CN 106433597A CN 201610824697 A CN201610824697 A CN 201610824697A CN 106433597 A CN106433597 A CN 106433597A
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- water discharge
- discharge agent
- foaming water
- foaming
- polyoxyethylene ether
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- 238000005187 foaming Methods 0.000 title claims abstract description 66
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000013051 drainage agent Substances 0.000 title abstract 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 82
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229940051841 polyoxyethylene ether Drugs 0.000 claims abstract description 24
- 229920000056 polyoxyethylene ether Polymers 0.000 claims abstract description 24
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims abstract description 22
- 150000001412 amines Chemical class 0.000 claims abstract description 21
- KWIUHFFTVRNATP-UHFFFAOYSA-N Betaine Natural products C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229960003237 betaine Drugs 0.000 claims abstract description 20
- 150000002191 fatty alcohols Chemical class 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 13
- -1 alkyl glycoside Chemical class 0.000 claims abstract description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 58
- 125000000217 alkyl group Chemical group 0.000 claims description 19
- 239000007789 gas Substances 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 11
- 239000000243 solution Substances 0.000 claims description 8
- 239000000047 product Substances 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000002343 natural gas well Substances 0.000 claims description 6
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 4
- SYELZBGXAIXKHU-UHFFFAOYSA-N dodecyldimethylamine N-oxide Chemical compound CCCCCCCCCCCC[N+](C)(C)[O-] SYELZBGXAIXKHU-UHFFFAOYSA-N 0.000 claims description 4
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims description 4
- 229910052939 potassium sulfate Inorganic materials 0.000 claims description 4
- 235000011151 potassium sulphates Nutrition 0.000 claims description 4
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 4
- 235000011152 sodium sulphate Nutrition 0.000 claims description 4
- MRUAUOIMASANKQ-UHFFFAOYSA-N cocamidopropyl betaine Chemical compound CCCCCCCCCCCC(=O)NCCC[N+](C)(C)CC([O-])=O MRUAUOIMASANKQ-UHFFFAOYSA-N 0.000 claims description 3
- 229940073507 cocamidopropyl betaine Drugs 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 2
- BUCDWZNXAGRICZ-UHFFFAOYSA-N C(CC)[O].C(CCCCCCCCCCC)(=O)N Chemical group C(CC)[O].C(CCCCCCCCCCC)(=O)N BUCDWZNXAGRICZ-UHFFFAOYSA-N 0.000 claims 1
- 235000010358 acesulfame potassium Nutrition 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 239000006260 foam Substances 0.000 abstract description 20
- 125000000524 functional group Chemical group 0.000 abstract description 2
- 239000004094 surface-active agent Substances 0.000 abstract description 2
- KWIUHFFTVRNATP-UHFFFAOYSA-O N,N,N-trimethylglycinium Chemical compound C[N+](C)(C)CC(O)=O KWIUHFFTVRNATP-UHFFFAOYSA-O 0.000 abstract 1
- 230000033558 biomineral tissue development Effects 0.000 abstract 1
- 229930182470 glycoside Natural products 0.000 abstract 1
- 230000002195 synergetic effect Effects 0.000 abstract 1
- ILRSCQWREDREME-UHFFFAOYSA-N dodecanamide Chemical group CCCCCCCCCCCC(N)=O ILRSCQWREDREME-UHFFFAOYSA-N 0.000 description 6
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical compound CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 description 6
- 238000011056 performance test Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000521257 Hydrops Species 0.000 description 2
- 206010030113 Oedema Diseases 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- IZWSFJTYBVKZNK-UHFFFAOYSA-N lauryl sulfobetaine Chemical group CCCCCCCCCCCC[N+](C)(C)CCCS([O-])(=O)=O IZWSFJTYBVKZNK-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000004457 water analysis Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000002280 amphoteric surfactant Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229940031728 cocamidopropylamine oxide Drugs 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000002079 cooperative effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000008398 formation water Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000006101 laboratory sample Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical compound O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 description 1
- YWFWDNVOPHGWMX-UHFFFAOYSA-N n,n-dimethyldodecan-1-amine Chemical compound CCCCCCCCCCCCN(C)C YWFWDNVOPHGWMX-UHFFFAOYSA-N 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Detergent Compositions (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention provides a foaming drainage agent. The foaming drainage agent is prepared from components in percentage by mass as follows: 15%-30% of betaine, 25%-50% of amine oxide, 5%-15% of fatty alcohol polyoxyethylene ether sulfate, 1%-4% of alkyl glycoside and the balance of water. The invention further provides a preparation method and an application of the foaming drainage agent. Different types of surfactants with different functional group structures are compounded, so that a special synergistic effect is realized, compacter oriented molecule arrangement is formed, compactness and stability of foam are enhanced, foam performance is improved, condensate oil resistance is up to 50%, methyl alcohol resistance is up to 30%, mineralization resistance reaches 350,000 mg/L, liquid carrying capacity is 70% or higher, surface tension is 28 mN/m or lower, and the problems that a conventional foaming drainage agent is difficult to foam, the foam stability is poor and the liquid carrying amount is low in an extreme environment are solved.
Description
Technical field
The invention belongs to petroleum and natural gas well harvesting technique field and in particular to a kind of foaming water discharge agent and preparation method and
Application, for asking product operation containing high salinity, high condensate and high methanol water-producing gas well discharge opeing.
Background technology
Foaming water discharge agent, because of low cost, the little, instant effect of investment, is one of measure that low-pressure gas well low cost development is commonly used,
By by foam discharging agent solution using injecting producing well by way of certain, under the perturbation action of gas flow in pit shaft, with well
Cylinder hydrops is sufficiently mixed, and produces a large amount of foams, and effectively carries pit shaft hydrops to ground by producing well self-energy, to drop
Low shaft bottom back pressure, improves producing pressure differential, and then gas well is returned to normal production, and reaches and dredges gas-water channel and realize stable yields
The purpose of volume increase.
With regard to foaming water discharge agent, all carried out numerous studies both at home and abroad, formation mainly have amphoteric surfactant class, height
Molecule aggregation species, anion surfactant class, nonionic surfactants, compound foam discharging agent.Properties of product also exist
Update, from single foaming function, develop into and have the functions such as drag reduction, inhibition, antiscale concurrently, be respectively adapted to different types of long-pending
Liquid gas reservoir, but mostly it is applied to salinity 100000mg/L, the condensate or methanol gas well below 20%.With natural gas
The continually developing of well, the effect of usual foam water discharge agent cannot meet increasingly harsher field requirement.Based on this problem, enter
The exploitation of row extreme environment foaming water discharge agent.
Content of the invention
Present invention aim to address the water pumping gas production problem of part extreme environment water-producing gas well, realize gas field
Efficiently, lasting, stable, equilibrium exploitation.
For this reason, the invention provides a kind of foaming water discharge agent, being formulated by the component of following mass percent：Glycine betaine
15～30%, amine oxide 25～50%, fatty alcohol polyoxyethylene ether sulfate 5～15%, alkyl polyglucoside 1～4%, balance of
Water.
Described glycine betaine is dodecyl sulfobetaine, cocamido propyl betaine, lauroyl aminocarbonyl propyl Radix Betae
One of alkali.
Described amine oxide is dodecanamide propyl amine oxide, dimethyl dodecyl amine oxide, lauryl dimethyl aoxidize
One of amine.
Described fatty alcohol polyoxyethylene ether sulfate is polyoxyethylenated alcohol sodium sulfate or fatty alcohol-polyoxyethylene ether
Potassium sulfate, described fatty alcohol polyoxyethylene ether sulfate relative molecular weight is 1000～5000.
Alkyl carbon number in described alkyl polyglucoside is C8-C10 or C12-C14.
Present invention also offers a kind of preparation method of foaming water discharge agent, comprise the following steps：
Step 1) measure water, glycine betaine, amine oxide, fatty alcohol polyoxyethylene ether sulfate and the alkyl polyglucoside of formula ratio；
Step 2) fatty alcohol polyoxyethylene ether sulfate is dissolved in the water, add glycine betaine while stirring, add afterwards
Amine oxide, is stirring evenly and then adding into alkyl polyglucoside, stirs and obtains final product.
Present invention also offers a kind of application of foaming water discharge agent, described foaming water discharge agent is asked for natural gas well discharge opeing
Produce, in the case of being up to 350000mg/L for condensation oil content up to 50% or methanol up to 30% or salinity.
The application process of foaming water discharge agent is as follows：
Measuring and calculating shaft bottom liquid measure before A, construction；
B, by foaming water discharge agent and water according to 1:5～1:10 mass ratio is diluted, and stirs to equal under 300r/min
Even；
C, using plunger displacement pump by dilute after foaming water discharge agent from oil jacket annular space inject shaft bottom, injection solution in foam row
Water preparation quality is 0.3～1.0% with the mass ratio of shaft bottom liquid measure；
After D, closing well 1～5h, open well head and carry out natural gas well discharge opeing and seek product.
The invention has the beneficial effects as follows：
This foaming water discharge agent that the present invention provides passes through dissimilar, different functional groups structure surfactant is multiple
Join, produce special cooperative effect, define more close oriented molecule arrangement, strengthen compactness and the stability of foam, carry
The performance of high foam, condensate oil is up to 50%, and methanol tolerance is up to 30%, and anti-salinity is up to 350000mg/L, fluid-carrying capability
More than 70%, surface tension, in below 28mN/m, solves extreme environment usual foam water discharge agent foaming hardly possible, foam stabilization
Property the difference and low problem of liquid carry over, good with formation fluid compatibility, realize extreme environment water-producing gas well efficient, lasting,
Stable, equilibrium exploitation, this achievement in research has significant economic benefit and good popularizing application prospect.
To be described in further details below.
Specific embodiment
The invention provides a kind of foaming water discharge agent, it is formulated by the component of following mass percent：Glycine betaine 15～
30%, amine oxide 25～50%, fatty alcohol polyoxyethylene ether sulfate 5～15%, alkyl polyglucoside 1～4%, balance of water.
Embodiment 1：
Present embodiments provide a kind of foaming water discharge agent (code name PPJ-1), by the group assignment system of following mass percent
Become：Glycine betaine 30%, amine oxide 30%, fatty alcohol polyoxyethylene ether sulfate 15%, alkyl polyglucoside 4%, water 21%.
In the present embodiment, glycine betaine is cocamido propyl betaine, and amine oxide is dodecanamide propyl amine oxide, fat
Polyoxyethylenated alcohol sulfate is polyoxyethylenated alcohol sodium sulfate, and in alkyl polyglucoside, alkyl carbon is C8-C10.
Preparation process：
Step 1) measure water, glycine betaine, amine oxide, fatty alcohol polyoxyethylene ether sulfate and the alkyl polyglucoside of formula ratio；
Step 2) fatty alcohol polyoxyethylene ether sulfate is dissolved in the water, add glycine betaine while stirring, add afterwards
Amine oxide, is stirring evenly and then adding into alkyl polyglucoside, stirs and obtains final product.
Embodiment 2：
Present embodiments provide a kind of foaming water discharge agent (code name PPJ-2), by the group assignment system of following mass percent
Become：Glycine betaine 15%, amine oxide 45%, fatty alcohol polyoxyethylene ether sulfate 10%, alkyl polyglucoside 2%, water 28%.
Glycine betaine in the present embodiment is dodecyl sulfobetaine, and amine oxide is dodecanamide propyl amine oxide, fat
Fat polyoxyethylenated alcohol sulfate is fatty alcohol-polyoxyethylene ether potassium sulfate, and in alkyl polyglucoside, alkyl carbon is C12-C14.Prepared
Journey is with reference to embodiment 1.
Embodiment 3：
Present embodiments provide a kind of foaming water discharge agent (code name PPJ-3), by the group assignment system of following mass percent
Become：Glycine betaine 28%, amine oxide 42%, fatty alcohol polyoxyethylene ether sulfate 12%, alkyl polyglucoside 1%, water 17%.
Glycine betaine in the present embodiment is lauroyl amido CAB, and amine oxide aoxidizes for dodecyl dimethyl
Amine, fatty alcohol polyoxyethylene ether sulfate is polyoxyethylenated alcohol sodium sulfate, and in alkyl polyglucoside, alkyl carbon is C12-C14.
Preparation process is with reference to embodiment 1.
Embodiment 4：
Present embodiments provide a kind of foaming water discharge agent (code name PPJ-4), by the group assignment system of following mass percent
Become：Glycine betaine 21%, amine oxide 50%, fatty alcohol polyoxyethylene ether sulfate 5%, alkyl polyglucoside 2%, water 22%.
Glycine betaine in the present embodiment is lauroyl amido CAB, and amine oxide is lauryl dimethyl amine oxide,
Fatty alcohol polyoxyethylene ether sulfate is fatty alcohol-polyoxyethylene ether potassium sulfate, and in alkyl polyglucoside, alkyl carbon is C8-C10.Preparation
Process is with reference to embodiment 1.
Embodiment 5：
Present embodiments provide a kind of application of foaming water discharge agent, described foaming water discharge agent is asked for natural gas well discharge opeing
Produce, in the case of being up to 350000mg/L for condensation oil content up to 50% or methanol up to 30% or salinity.
The application process of foaming water discharge agent is as follows：
Measuring and calculating shaft bottom liquid measure before A, construction；
B, by foaming water discharge agent and water according to 1:5～1:10 mass ratio is diluted, and stirs to equal under 300r/min
Even；
C, using plunger displacement pump by dilute after foaming water discharge agent from oil jacket annular space inject shaft bottom, injection solution in foam row
Water preparation quality is 0.3～1.0% with the mass ratio of shaft bottom liquid measure；
After D, closing well 1～5h, open well head and carry out natural gas well discharge opeing and seek product.
Embodiment 6：
The present embodiment is directed to foaming water discharge agent (the code name PPJ-1 to code name PPJ- that above-described embodiment 1～embodiment 4 provides
4) foaming capacity, surely bubble ability, fluid-carrying capability, surface tension and the compatibility evaluation with formation fluid are carried out.
The foaming capacity of foaming water discharge agent, steady bubble ability are measured and are carried out using Ross-Miles method：At 90 DEG C, will
200mL0.3～1.0% foaming water discharge agent solution is placed in Roche foam meter upper end center position, is directed at Roche foam meter bottom
The foaming water discharge agent solution of the same concentration of 50mL vertically puts down, and writes down foam in Roche foam meter immediately and rise after sample liquid discharges
Highly, it is the foaming capacity of this laboratory sample, the height that in Roche foam meter after 3min, foam rises, that is, represent this experiment sample
The steady bubble ability of product.
The fluid-carrying capability of foaming water discharge agent measures：At 90 DEG C, the nitrogen of 290mL/min is passed through 200mL0.3～1.0%
In foaming water discharge agent solution, after measuring 15min, the volume of the liquid (methanol, You Heshui) that foamover goes out is divided by 200mL, i.e. table
It is shown as the fluid-carrying capability of foaming water discharge agent.
The surface tension test of foaming water discharge agent：Prepare 0.3～1.0% foaming water discharge agent solution, at normal temperatures, adopt
K100 surface and interface tension measuring device measures.
1st, the foaming capacity of foaming water discharge agent, surely bubble ability, fluid-carrying capability performance evaluation
Table 1 is northern Shensi gas field stratum water analysiss result, very prepares salinity respectively according to each ion concentration in table 1
Simulated formation water for 150000ppm, 350000ppm.
Table 1 northern Shensi gas field stratum water analysiss result
| Analysis project | Ca2+ | Mg2+ | Na++K+ | S2- | Ba2+ | Sr2+ | Cl- | Total ferrum |
| Content, mg/L | 29828.04 | 2308.84 | 5886.40 | 30.06 | 399.70 | 2431.65 | 105041.52 | 8.67 |
At 90 DEG C, 4 kinds of foaming water discharge agents (dosage is 0.5%) that above-described embodiment 1～embodiment 4 provides contain in different oil
Performance test under amount and different salinity is shown in Table 2.
The performance test results of foaming water discharge agent under the different oil content of table 2 and different salinity
At 90 DEG C, 4 kinds of foaming water discharge agents (dosage is 0.5%) that above-described embodiment 1～embodiment 4 provides are in different methanol
Performance test under content and different salinity is shown in Table 3.
The performance test results of foaming water discharge agent under the different methanol content of table 3 and different salinity
2 and stratum water compatibility test
4 kinds of foaming water discharge agents and the compatibility result of northern Shensi gas field stratum water that above-described embodiment 1～embodiment 4 provides
It is shown in Table 4.
Table 4 foaming water discharge agent and the compatibility of stratum water
3rd, surface tension test
Under room temperature, measurement result such as table 5 institute is opened on the surface of 4 kinds of foaming water discharge agents that above-described embodiment 1～embodiment 4 provides
Show.
The surface tension of table 5 foaming water discharge agent
From above experimental result, at 90 DEG C, salinity is in 350000mg/L for the foaming water discharge agent that the present invention provides
Or oil content below 50% or methanol content has good foaming below 30%, surely steeps and takes fluidity energy, surface tension
In below 28mN/m and good with stratum compatible.
Before construction, measuring and calculating shaft bottom liquid measure is prior art, and the method and structure of various embodiments above not narration in detail belongs to this
The common knowledge of industry, does not describe here one by one.
The only illustration to the present invention exemplified as above, does not constitute the restriction to protection scope of the present invention, all
It is that same or analogous design belongs within protection scope of the present invention with the present invention.
Claims (8)
1. a kind of foaming water discharge agent is it is characterised in that be formulated by the component of following mass percent：Glycine betaine 15～
30%, amine oxide 25～50%, fatty alcohol polyoxyethylene ether sulfate 5～15%, alkyl polyglucoside 1～4%, balance of water.
2. a kind of foaming water discharge agent according to claim 1 it is characterised in that：Described glycine betaine is that dodecyl sulfo group is sweet
One of dish alkali, cocamido propyl betaine, lauroyl amido CAB.
3. a kind of foaming water discharge agent according to claim 1 it is characterised in that：Described amine oxide is dodecanamide propyl oxygen
Change one of amine, dimethyl dodecyl amine oxide, lauryl dimethyl amine oxide.
4. a kind of foaming water discharge agent according to claim 1 it is characterised in that：Described fatty alcohol polyoxyethylene ether sulfate
For polyoxyethylenated alcohol sodium sulfate or fatty alcohol-polyoxyethylene ether potassium sulfate, described fatty alcohol polyoxyethylene ether sulfate phase
To molecular weight 1000～5000.
5. a kind of foaming water discharge agent according to claim 1 it is characterised in that：Alkyl carbon number in described alkyl polyglucoside is
C8-C10 or C12-C14.
6. a kind of preparation method of foaming water discharge agent according to claim 1 is it is characterised in that comprise the following steps：
Step 1) measure water, glycine betaine, amine oxide, fatty alcohol polyoxyethylene ether sulfate and the alkyl polyglucoside of formula ratio；
Step 2) fatty alcohol polyoxyethylene ether sulfate is dissolved in the water, add glycine betaine while stirring, add oxidation afterwards
Amine, is stirring evenly and then adding into alkyl polyglucoside, stirs and obtains final product.
7. a kind of foaming water discharge agent according to claim 1 application it is characterised in that：Described foaming water discharge agent is used for sky
Product is sought in so gas well discharge opeing, is up to the feelings of 350000mg/L for condensation oil content up to 50% or methanol up to 30% or salinity
Under condition.
8. a kind of foaming water discharge agent according to claim 7 application it is characterised in that：Application process is as follows：
Measuring and calculating shaft bottom liquid measure before A, construction；
B, by foaming water discharge agent and water according to 1:5～1:10 mass ratio is diluted, and is stirred until homogeneous under 300r/min；
C, using plunger displacement pump by dilute after foaming water discharge agent from oil jacket annular space inject shaft bottom, injection solution in foaming water discharge agent
Quality is 0.3～1.0% with the mass ratio of shaft bottom liquid measure；
After D, closing well 1～5h, open well head and carry out natural gas well discharge opeing and seek product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610824697.3A CN106433597A (en) | 2016-09-14 | 2016-09-14 | Foaming drainage agent, preparation method and application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610824697.3A CN106433597A (en) | 2016-09-14 | 2016-09-14 | Foaming drainage agent, preparation method and application |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107338038A (en) * | 2017-08-07 | 2017-11-10 | 中国石油化工股份有限公司 | A kind of condensate oil salt resistance foam discharging agent and preparation method thereof |
| CN109135718A (en) * | 2018-09-28 | 2019-01-04 | 黄旭东 | A kind of preparation method of fracture acidizing blistering cleanup additive |
| CN109679634A (en) * | 2017-10-18 | 2019-04-26 | 中国石油化工股份有限公司 | With the method for solid foam discharging agent composition liquid discharging gas producing |
| CN109681174A (en) * | 2017-10-18 | 2019-04-26 | 中国石油化工股份有限公司 | Using the method for resisting high temperature, high salt solid foam water discharge agent water pumping gas production |
| CN109679633A (en) * | 2017-10-18 | 2019-04-26 | 中国石油化工股份有限公司 | Solid foam water discharge agent composition and preparation method and applications |
| CN109762547A (en) * | 2017-11-09 | 2019-05-17 | 中国石油天然气股份有限公司 | Foam drainage agent |
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| CN109762547A (en) * | 2017-11-09 | 2019-05-17 | 中国石油天然气股份有限公司 | Foam drainage agent |
| CN109135718A (en) * | 2018-09-28 | 2019-01-04 | 黄旭东 | A kind of preparation method of fracture acidizing blistering cleanup additive |
| CN113684014A (en) * | 2021-09-23 | 2021-11-23 | 扬州润达油田化学剂有限公司 | Fluorocarbon gemini anti-oil-foam discharging agent and preparation method thereof |
| CN114292635A (en) * | 2021-11-22 | 2022-04-08 | 陕西延长石油（集团）有限责任公司 | High condensate oil resistant and high mineralization resistant environment-friendly foam scrubbing agent and preparation method and application thereof |
| CN114292635B (en) * | 2021-11-22 | 2022-11-22 | 陕西延长石油（集团）有限责任公司 | High condensate oil resistant and high mineralization resistant environment-friendly foam scrubbing agent and preparation method and application thereof |
| CN117417736A (en) * | 2022-07-11 | 2024-01-19 | 中国石油天然气股份有限公司 | Foam discharging agent system and application thereof |
| CN116751572A (en) * | 2023-03-27 | 2023-09-15 | 九江蓝卓新材料科技有限公司 | Foaming agent with ultralow surface tension and high performance and preparation method thereof |
| CN117304906A (en) * | 2023-09-25 | 2023-12-29 | 郑州市新郑梅久实业有限公司 | Foam discharging agent for gas production and application thereof |
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