CN109337662A - A kind of antifreezing foaming agent and preparation method thereof - Google Patents
A kind of antifreezing foaming agent and preparation method thereof Download PDFInfo
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- CN109337662A CN109337662A CN201811298256.XA CN201811298256A CN109337662A CN 109337662 A CN109337662 A CN 109337662A CN 201811298256 A CN201811298256 A CN 201811298256A CN 109337662 A CN109337662 A CN 109337662A
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- 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
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Abstract
The invention discloses a kind of antifreezing foaming agents and preparation method thereof, by mass percentage, a kind of antifreezing foaming agent includes following components: 33% ethylene glycol, 2 ~ 4% glycerol, 2 ~ 4% DMF, 1.5 ~ 2.0% triethanolamine, 0.08 ~ 0.12% sodium carboxymethylcellulose, 0.1 ~ 0.2% linear tetramer of c-NMF, 0.1 ~ 0.2% metal-organic framework material MOF-5,24 ~ 27% PEO-PPO-PEO triblock copolymer and 5 ~ 7% Emulsifier EL-60, surplus is deionized water, reduces the icing possibility of foaming agent in use.
Description
Technical field
The present invention relates to a kind of antifreezing foaming agents and preparation method thereof.
Background technique
For gas well during normal production, liquid is carried to ground, gas liquid in continuous phase by gas in droplets
In discontinuous phase, and when gas phase flow velocity is too low, when cannot provide enough energy makes the liquid in pit shaft flow continually out well head, liquid
Body in opposite direction flowing and will lodge in shaft bottom, hydrops will be present in gas well and gradually assemble with air-flow.Foam drainage gas recovery work
Skill is to help excavating technology technology for one for producing water gas field development and studying, and the cardinal principle of the technique is by foaming agent (surface
Activating agent) injection well bottom come into full contact with by means of the stirring of natural gas flow with shaft bottom hydrops, it generates a large amount of more stable low close
Resistance aqueous foam is spent, shaft bottom hydrops is carried to ground by foam, to achieve the purpose that water pumping gas production.
However the freezing point of water is 0 DEG C, when the aqueous solution of surfactant is poured into gas well, since ground end temperature is relatively low, is deposited
The case where aqueous solution freezes, cause normally to foam.
Summary of the invention
The first object of the present invention is to provide a kind of antifreezing foaming agent, and reducing the icing of foaming agent in use may
Property.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of antifreezing foaming agent, by matter
Measure percentages, including following components: 33% ethylene glycol, 2~4% glycerol, 2~4% DMF, 1.5~2.0% three
Ethanol amine, 0.08~0.12% sodium carboxymethylcellulose, the linear tetramer of 0.1~0.2% c-NMF, 0.1~0.2%
Metal-organic framework material MOF-5,24~27% PEO-PPO-PEO triblock copolymer and 5~7% polyoxyethylene castor
Sesame oil, surplus are deionized water.
Further preferably are as follows: by mass percentage, including following components: 33% ethylene glycol, 3% glycerol, 3%
DMF, 1.8% triethanolamine, 0.10% sodium carboxymethylcellulose, 0.16% c-NMF the linear tetramer, 0.16%
Metal-organic framework material MOF-5,25% PEO-PPO-PEO triblock copolymer and 6% Emulsifier EL-60, surplus
For deionized water.
The second object of the present invention is to provide a kind of preparation method of antifreezing foaming agent.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of preparation method of antifreezing foaming agent, comprising the following steps: by the ethylene glycol of formula ratio, glycerol, DMF, three second
Hydramine, PEO-PPO-PEO triblock copolymer, Emulsifier EL-60 and deionized water are mixed and are uniformly dispersed, and formula is added
The sodium carboxymethylcellulose of amount, the linear tetramer of c-NMF and metal-organic framework material MOF-5, are dispersed with stirring and uniformly obtain
Solution filters to take filtrate；So that it is increased to 85~95 DEG C from room temperature with the heating rate of 45~55 DEG C/hr filtrate and keeps the temperature 1
~2hr, then with the rate of temperature fall of 45~55 DEG C/hr make its be cooled to -65~-55 DEG C and keep the temperature 1~2hr, then with 45~55 DEG C/
The heating rate of hr is warming up to room temperature and keeps the temperature 1~2hr, filters again, filtrate is a kind of antifreezing foaming agent.
Further preferably are as follows: the following steps are included: by the ethylene glycol of formula ratio, glycerol, DMF, triethanolamine, PEO-PPO-
PEO triblock copolymer, Emulsifier EL-60 and deionized water are mixed and are uniformly dispersed, and the carboxymethyl cellulose of formula ratio is added
The linear tetramer and metal-organic framework material MOF-5 of plain sodium, c-NMF, are dispersed with stirring and uniformly obtain solution, filter to take filter
Liquid；So that it is increased to 90 DEG C from room temperature with the heating rate of 50 DEG C/hr filtrate and keep the temperature 1.5hr, then with the cooling of 50 DEG C/hr
Rate makes it be cooled to -60 DEG C and keeps the temperature 1.5hr, then is allowed to warm to room temperature with the heating rate of 50 DEG C/hr and keeps the temperature
1.5hr is filtered again, and filtrate is a kind of antifreezing foaming agent；
By mass percentage, a kind of antifreezing foaming agent includes following components: 33% ethylene glycol, 3% glycerol,
3% DMF, 1.8% triethanolamine, 0.10% sodium carboxymethylcellulose, 0.16% c-NMF the linear tetramer,
0.16% metal-organic framework material MOF-5,25% PEO-PPO-PEO triblock copolymer and 6% polyoxyethylene castor
Sesame oil, surplus are deionized water.
In conclusion reducing foaming agent makes the invention has the following advantages: reducing water freezing point to -42~-45 DEG C
With icing possibility in the process, suitable for broader environment temperature, applicability is wider；Foaming capacity and liquid carry over are obvious
Better than the prior art, when special at low temperatures.
Specific embodiment
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the protection scope of invention.
It is indicated except no special, the room temperature of the application refers to environment temperature, is 20~30 DEG C.
Embodiment 1: a kind of antifreezing foaming agent, pass through following steps prepare: by ethylene glycol, glycerol, DMF, triethanolamine,
PEO-PPO-PEO triblock copolymer (F127 type), Emulsifier EL-60 and deionized water are mixed and are uniformly dispersed, and carboxylic is added
The linear tetramer and metal-organic framework material MOF-5 of sodium carboxymethylcellulose pyce, c-NMF (i.e. cis- N-METHYLFORMAMIDE), are stirred
It mixes and is uniformly dispersed to obtain solution, filter to take filtrate；It is set to be increased to 90 DEG C simultaneously from room temperature with the heating rate of 50 DEG C/hr filtrate
1.5hr is kept the temperature, then so that it is cooled to -60 DEG C with the rate of temperature fall of 50 DEG C/hr and keeps the temperature 1.5hr, then with the heating speed of 50 DEG C/hr
Rate is allowed to warm to room temperature and keeps the temperature 1.5hr, filters again, and filtrate is a kind of antifreezing foaming agent.
By mass percentage, which includes following components: 33% ethylene glycol, 3% glycerol,
3% DMF, 1.8% triethanolamine, 0.10% sodium carboxymethylcellulose, 0.16% c-NMF the linear tetramer,
0.16% metal-organic framework material MOF-5,25% PEO-PPO-PEO triblock copolymer (F127 type) and 6% it is poly-
Ethylene oxide castor oil, surplus are deionized water.
Embodiment 2: a kind of antifreezing foaming agent, difference from example 1 is that, by mass percentage, the one kind
Antifreezing foaming agent includes following components: 33% ethylene glycol, 2% glycerol, 2% DMF, 1.5% triethanolamine, 0.08%
Sodium carboxymethylcellulose, 0.1% c-NMF the linear tetramer, 0.1% metal-organic framework material MOF-5,24%
PEO-PPO-PEO triblock copolymer (F127 type) and 5% Emulsifier EL-60, surplus is deionized water.
Embodiment 3: a kind of antifreezing foaming agent, difference from example 1 is that, by mass percentage, the one kind
Antifreezing foaming agent includes following components: 33% ethylene glycol, 4% glycerol, 4% DMF, 2.0% triethanolamine, 0.12%
Sodium carboxymethylcellulose, 0.2% c-NMF the linear tetramer, 0.2% metal-organic framework material MOF-5,27%
PEO-PPO-PEO triblock copolymer (F127 type) and 7% Emulsifier EL-60, surplus is deionized water.
Embodiment 4: a kind of antifreezing foaming agent, difference from example 1 is that, a kind of antifreezing foaming agent by with
Lower step preparation: by the ethylene glycol of formula ratio, glycerol, DMF, triethanolamine, PEO-PPO-PEO triblock copolymer (F127
Type), Emulsifier EL-60 and deionized water mix and be uniformly dispersed, the sodium carboxymethylcellulose of formula ratio, c-NMF is added
The linear tetramer and metal-organic framework material MOF-5, are dispersed with stirring and uniformly obtain solution, filter to take filtrate；By filtrate with 45
DEG C/heating rate of hr makes it be increased to 85 DEG C from room temperature and keeps the temperature 2hr, then with the rate of temperature fall of 45 DEG C/hr make its be cooled to-
55 DEG C and 2hr is kept the temperature, then room temperature is warming up to the heating rate of 45 DEG C/hr and keeps the temperature 2hr, filtered again, filtrate is one kind
Antifreezing foaming agent.
Embodiment 5: a kind of antifreezing foaming agent, difference from example 1 is that, a kind of antifreezing foaming agent by with
Lower step preparation: by the ethylene glycol of formula ratio, glycerol, DMF, triethanolamine, PEO-PPO-PEO triblock copolymer (F127
Type), Emulsifier EL-60 and deionized water mix and be uniformly dispersed, the sodium carboxymethylcellulose of formula ratio, c-NMF is added
The linear tetramer and metal-organic framework material MOF-5, are dispersed with stirring and uniformly obtain solution, filter to take filtrate；By filtrate with 55
DEG C/heating rate of hr makes it be increased to 95 DEG C from room temperature and keeps the temperature 1hr, then with the rate of temperature fall of 55 DEG C/hr make its be cooled to-
65 DEG C and 1hr is kept the temperature, then room temperature is warming up to the heating rate of 55 DEG C/hr and keeps the temperature 1hr, filtered again, filtrate is one kind
Antifreezing foaming agent.
Embodiment 6: a kind of antifreezing foaming agent, difference from example 1 is that, a kind of antifreezing foaming agent by with
Lower step preparation: by the ethylene glycol of formula ratio, glycerol, DMF, triethanolamine, PEO-PPO-PEO triblock copolymer (F127
Type), Emulsifier EL-60, sodium carboxymethylcellulose, the linear tetramer of c-NMF, metal-organic framework material MOF-5 and go
Ionized water mixing, is dispersed with stirring and uniformly obtains solution, as a kind of antifreezing foaming agent.
Freezing point test
1, test sample: embodiment 1-6 and reference substance 1-2.
Reference substance 1: anti-icing fluid, by the way that the deionized water of the ethylene glycol of 33wt% and 67wt% is mixed.
Reference substance 2: a kind of antifreezing foaming agent is prepared referring to the embodiment 1 of CN1277238A.
2, it test content: is surveyed referring to national oil chemical industry standard SH/T0090 " engine coolant kryoscopy "
The freezing point of test agent.
3, test result: as shown in table 1.Table 1 is shown: reference substance 1 is only aqueous and ethylene glycol, freezing point test find reference substance
1 freezing point is -18 DEG C；Compared to reference substance 1, glycerol, DMF, triethanolamine, the carboxymethyl that embodiment 1-6 contains special ratios are fine
Tie up plain sodium, the linear tetramer of c-NMF, metal-organic framework material MOF-5, PEO-PPO-PEO triblock copolymer and polyoxy
Ethylene castor oil, the freezing point of embodiment 1-6 drop to -42~-45 DEG C from -18 DEG C, and decline is more obvious, and use environment is more
Extensively, freezing tolerance is stronger, hence it is evident that is better than the prior art (reference substance 2).
1 freezing point test result of table
Two, foaming capacity and liquid carry over test
1, test sample: embodiment 1-6 and reference substance 1.
Reference substance 2: a kind of antifreezing foaming agent is prepared referring to the embodiment 1 of CN1277238A.
2, test content:
(1) foaming capacity
Reference standard: GB-T7462-1994 " measurement of surfactant foaming power improves Ress-Miles method ", GB-
T13173.6-1991 " measurement of detergent foaming power ", " the foam drainage gas recovery foaming agent evaluation side SY-T6465-2000
Method ".
Evaluation method: under the conditions of certain temperature, 200ml test solution is poured into measuring graduates bottom 50ml from 90cm height
Behind the surface of identical test solution, measurement test solution is finished down the foam height of moment, the as foaming capacity of the sample.
(2) liquid carry over
Reference standard: SY-T5761-1995 " water pumping gas production foaming agent CT5-2 ", SY-T6465-2000 " foaming water discharge
Gas production foaming agent evaluation method ".
Evaluation method: configured 200ml solution is poured into foaming tube, with the pressure of 0.05Mpa, 290ml/min
Flow velocity is passed through nitrogen into foaming tube, measure the volume V that foam after 15min carries liquid (You Heshui) outside, as the foaming agent
Liquid carry over.
3, test result: as shown in table 2.Table 2 is shown: comparing reference substance 2, hair of the embodiment 1-6 under room temperature and low temperature
Bubble ability and liquid carry over are larger.
2 foaming capacity of table and liquid carry over result
The specific implementation of the invention is not to be limited to these illustrations for the above content, and technology belonging to the present invention is led
For the those of ordinary skill in domain, without departing from the inventive concept of the premise, a number of simple deductions or replacements can also be made,
It all shall be regarded as belonging to present invention scope of patent protection determined by the appended claims.
Claims (4)
1. a kind of antifreezing foaming agent, which is characterized in that by mass percentage, including following components: 33% ethylene glycol, 2 ~ 4%
Glycerol, 2 ~ 4% DMF, 1.5 ~ 2.0% triethanolamine, 0.08 ~ 0.12% sodium carboxymethylcellulose, 0.1 ~ 0.2% c-
The linear tetramer of NMF, 0.1 ~ 0.2% metal-organic framework material MOF-5,24 ~ 27% PEO-PPO-PEO triblock copolymer
Object and 5 ~ 7% Emulsifier EL-60, surplus is deionized water.
2. a kind of antifreezing foaming agent according to claim 1, which is characterized in that by mass percentage, including with the following group
Point: 33% ethylene glycol, 3% glycerol, 3% DMF, 1.8% triethanolamine, 0.10% sodium carboxymethylcellulose, 0.16%
The linear tetramer of c-NMF, 0.16% metal-organic framework material MOF-5,25% PEO-PPO-PEO triblock copolymer and
6% Emulsifier EL-60, surplus are deionized water.
3. a kind of preparation method of antifreezing foaming agent as claimed in claim 1 or 2, which comprises the following steps: will
The ethylene glycol of formula ratio, glycerol, DMF, triethanolamine, PEO-PPO-PEO triblock copolymer, Emulsifier EL-60 and go from
Sub- water is mixed and is uniformly dispersed, and the sodium carboxymethylcellulose of formula ratio, the linear tetramer of c-NMF and metal organic frame is added
Material MOF-5 is dispersed with stirring and uniformly obtains solution, filters to take filtrate；Filtrate is made it certainly with the heating rate of 45 ~ 55 DEG C/hr
Room temperature is increased to 85 ~ 95 DEG C and keeps the temperature 1 ~ 2hr, then so that it is cooled to -65 ~ -55 DEG C with the rate of temperature fall of 45 ~ 55 DEG C/hr and protect
1 ~ 2hr of temperature, then room temperature is warming up to the heating rate of 45 ~ 55 DEG C/hr and keeps the temperature 1 ~ 2hr, it filters again, filtrate is a kind of anti-
Freeze foaming agent.
4. a kind of preparation method of antifreezing foaming agent according to claim 3, which comprises the following steps: will
The ethylene glycol of formula ratio, glycerol, DMF, triethanolamine, PEO-PPO-PEO triblock copolymer, Emulsifier EL-60 and go from
Sub- water is mixed and is uniformly dispersed, and the sodium carboxymethylcellulose of formula ratio, the linear tetramer of c-NMF and metal organic frame is added
Material MOF-5 is dispersed with stirring and uniformly obtains solution, filters to take filtrate；Make it from room temperature with the heating rate of 50 DEG C/hr filtrate
It is increased to 90 DEG C and keeps the temperature 1.5hr, then so that it is cooled to -60 DEG C with the rate of temperature fall of 50 DEG C/hr and keep the temperature 1.5hr, then with 50
DEG C/heating rate of hr is allowed to warm to room temperature and keeps the temperature 1.5hr, it filters again, filtrate is a kind of antifreezing foaming agent；
By mass percentage, a kind of antifreezing foaming agent includes following components: 33% ethylene glycol, 3% glycerol, 3%
DMF, 1.8% triethanolamine, 0.10% sodium carboxymethylcellulose, 0.16% c-NMF the linear tetramer, 0.16% metal
Organic framework materials MOF-5,25% PEO-PPO-PEO triblock copolymer and 6% Emulsifier EL-60, surplus be go from
Sub- water.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111892919A (en) * | 2020-08-18 | 2020-11-06 | 西南石油大学 | Method for enhancing oil displacement profile control foaming by adopting hydrophobic metal organic framework material |
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| CN109337662B (en) | 2021-12-28 |
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