CN103614129B - Oil/gas Well inhibition foaming water discharge agent and preparation method thereof - Google Patents
Oil/gas Well inhibition foaming water discharge agent and preparation method thereof Download PDFInfo
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- CN103614129B CN103614129B CN201310681110.4A CN201310681110A CN103614129B CN 103614129 B CN103614129 B CN 103614129B CN 201310681110 A CN201310681110 A CN 201310681110A CN 103614129 B CN103614129 B CN 103614129B
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- 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
- C09K8/54—Compositions for in situ inhibition of corrosion in boreholes or wells
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- 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
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Abstract
The invention discloses a kind of Oil/gas Well inhibition foaming water discharge agent and preparation method thereof, solve existing independent inhibiter or pore forming material running cost higher and can not effectively work in coordination with use problem.Inhibition foaming water discharge agent of the present invention is made up of the component of following weight percents: oleic acid base imidazoline quaternary ammonium salt 20 ~ 40%, dodecyl benzyl dimethyl ammonium chloride 1 ~ 10%, Varion CDG-K 10 ~ 30%, alkylphenol polyoxyethylene 5 ~ 10%, water 10 ~ 30%.The inhibition foaming water discharge agent that formula of the present invention obtains not only has excellent bubble row performance, also possesses excellent corrosion inhibition.
Description
Technical field
The present invention is specifically related to a kind of Oil/gas Well inhibition foaming water discharge agent and preparation method thereof.
Background technology
In gasser production process, current can enter gas well along with air-flow, can cause hydrops, and then cause the underproduction even drowned when air-flow size cannot make current take out of outside well.In order to solve the problem of hydrops, the main method adding foam discharging agent toward down-hole that adopts carries out discharge opeing, after foam discharging agent mixes with hydrops at present, a large amount of foam is produced under natural gas flow stirs, there is foam to take out of outside well by hydrops, reduce hydrops impact, reach stable or the object of increase gas production.
Gasser well bore and the ground flow overwhelming majority are steel design, by the impact of tube fluid (liquid stream, air-flow), very easily occur to corrode the situation of even boring a hole.In order to address this problem, usually the method adding inhibiter toward down-hole is adopted to carry out anticorrosion at present, after inhibiter and down-hole water mixing, can contact with tube wall in the process of gas well discharge opeing, combined closely by absorption, oxidation or the mode precipitated and tube wall, suppress negative electrode or anodic reaction, and then reach rot-resistant object.
When the foam discharging agent that current foaming water discharge technique uses uses in the gas well of inhibiter of annotating, effect can obviously be worse than common gas well, due to ion composition and the difference of functional group, inhibiter becomes branch cause abnormal wear to most of pore forming material and reduce its usefulness.
Namely current most gas well needs inhibiter of annotating, and needs again foam discharging agent of annotating, and needs two complete equipment of often annotating, adds input and running cost; Simultaneously due to the compatibility issues of existing inhibiter and pore forming material, often there is situation about can not take into account.
Summary of the invention
The object of the present invention is to provide a kind of Oil/gas Well inhibition foaming water discharge agent, solve existing independent inhibiter or pore forming material running cost higher and can not effectively work in coordination with use problem.
The present invention is achieved through the following technical solutions:
Oil/gas Well inhibition foaming water discharge agent, described inhibition foaming water discharge agent is made up of the component of following weight percents:
Oleic acid base imidazoline quaternary ammonium salt 20 ~ 40%
Dodecyl benzyl dimethyl ammonium chloride 1 ~ 10%
Varion CDG-K 10 ~ 30%
Alkylphenol polyoxyethylene 5 ~ 10%
Water 10 ~ 30%.
Concrete scheme one: above-mentioned inhibition foaming water discharge agent is made up of the component of following weight percents: oleic acid base imidazoline quaternary ammonium salt 40%, dodecyl benzyl dimethyl ammonium chloride 5%, Varion CDG-K 25%, alkylphenol polyoxyethylene 10%, water 20%.
Concrete scheme two: above-mentioned inhibition foaming water discharge agent is made up of the component of following weight percents: oleic acid base imidazoline quaternary ammonium salt 35%, dodecyl benzyl dimethyl ammonium chloride 10%, Varion CDG-K 20%, alkylphenol polyoxyethylene 10%, water 25%.
Concrete scheme three: above-mentioned inhibition foaming water discharge agent is made up of the component of following weight percents: oleic acid base imidazoline quaternary ammonium salt 20%, dodecyl benzyl dimethyl ammonium chloride 10%, Varion CDG-K 30%, alkylphenol polyoxyethylene 10%, water 30%.
Concrete scheme four: above-mentioned inhibition foaming water discharge agent is made up of the component of following weight percents: oleic acid base imidazoline quaternary ammonium salt 30%, dodecyl benzyl dimethyl ammonium chloride 4%, Varion CDG-K 28%, alkylphenol polyoxyethylene 8%, water 30%.
The preparation method of above-mentioned Oil/gas Well inhibition foaming water discharge agent is as follows:
(1) water is added constant temperature to 60 DEG C in reactor, then under the state stirred, add Varion CDG-K, constant temperature to 60 DEG C again after mixing;
(2) oleic acid base imidazoline quaternary ammonium salt, dodecyl benzyl dimethyl ammonium chloride is added successively, isothermal reaction 30min under the condition of 60 DEG C at the state downhill reaction still stirred;
(3) under the state stirred, add alkylphenol polyoxyethylene, under the condition of 60 DEG C, isothermal reaction 30min, obtains product.
The present invention has the following advantages and beneficial effect:
The inhibition foaming water discharge agent that formula of the present invention obtains not only has excellent bubble row performance, also possesses excellent corrosion inhibition, without the need to considering the present invention and inhibiter compatibleness, well bubble row effect also can be played to having used the gas well of inhibiter before.In addition, product of the present invention only needs a set of filing provision, and need not consider the compatibility issues of medicament again, has saved gas well liquid loading cost, also makes to produce can remain on excellent state with anticorrosion simultaneously simultaneously.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated, but embodiments of the present invention are not limited to this.
Embodiment 1
Oil/gas Well inhibition foaming water discharge agent, is made up of the component of following weight percents: oleic acid base imidazoline quaternary ammonium salt 40%, dodecyl benzyl dimethyl ammonium chloride 5%, Varion CDG-K 25%, alkylphenol polyoxyethylene 10%, water 20%; The preparation method of described inhibition foaming water discharge agent is as follows:
(1) oleic acid base imidazoline quaternary ammonium salt, dodecyl benzyl dimethyl ammonium chloride, Varion CDG-K, alkylphenol polyoxyethylene and water is taken by above-mentioned weight percent.
(2) water is added constant temperature to 60 DEG C in reactor, then under the state stirred, add Varion CDG-K, constant temperature to 60 DEG C again after mixing;
(3) oleic acid base imidazoline quaternary ammonium salt, dodecyl benzyl dimethyl ammonium chloride is added successively, isothermal reaction 30min under the condition of 60 DEG C at the state downhill reaction still stirred;
(4) under the state stirred, add alkylphenol polyoxyethylene, under the condition of 60 DEG C, isothermal reaction 30min, obtains product.
Embodiment 2
Oil/gas Well inhibition foaming water discharge agent, is made up of the component of following weight percents: oleic acid base imidazoline quaternary ammonium salt 35%, dodecyl benzyl dimethyl ammonium chloride 10%, Varion CDG-K 20%, alkylphenol polyoxyethylene 10%, water 25%; The preparation method of described inhibition foaming water discharge agent is as follows:
(1) oleic acid base imidazoline quaternary ammonium salt, dodecyl benzyl dimethyl ammonium chloride, Varion CDG-K, alkylphenol polyoxyethylene and water is taken by above-mentioned weight percent;
(2) water is added constant temperature to 60 DEG C in reactor, then under the state stirred, add Varion CDG-K, constant temperature to 60 DEG C again after mixing;
(3) oleic acid base imidazoline quaternary ammonium salt, dodecyl benzyl dimethyl ammonium chloride is added successively, isothermal reaction 30min under the condition of 60 DEG C at the state downhill reaction still stirred;
(4) under the state stirred, add alkylphenol polyoxyethylene, under the condition of 60 DEG C, isothermal reaction 30min, obtains product.
Embodiment 3
Oil/gas Well inhibition foaming water discharge agent, is made up of the component of following weight percents: oleic acid base imidazoline quaternary ammonium salt 20%, dodecyl benzyl dimethyl ammonium chloride 10%, Varion CDG-K 30%, alkylphenol polyoxyethylene 10%, water 30%; The preparation method of described inhibition foaming water discharge agent is as follows:
(1) oleic acid base imidazoline quaternary ammonium salt, dodecyl benzyl dimethyl ammonium chloride, Varion CDG-K, alkylphenol polyoxyethylene and water is taken by above-mentioned weight percent;
(2) water is added constant temperature to 60 DEG C in reactor, then under the state stirred, add Varion CDG-K, constant temperature to 60 DEG C again after mixing;
(3) oleic acid base imidazoline quaternary ammonium salt, dodecyl benzyl dimethyl ammonium chloride is added successively, isothermal reaction 30min under the condition of 60 DEG C at the state downhill reaction still stirred;
(4) under the state stirred, add alkylphenol polyoxyethylene, under the condition of 60 DEG C, isothermal reaction 30min, obtains product.
Embodiment 4
Oil/gas Well inhibition foaming water discharge agent, is made up of the component of following weight percents: oleic acid base imidazoline quaternary ammonium salt 30%, dodecyl benzyl dimethyl ammonium chloride 4%, Varion CDG-K 28%, alkylphenol polyoxyethylene 8%, water 30%; The preparation method of described inhibition foaming water discharge agent is as follows:
(1) oleic acid base imidazoline quaternary ammonium salt, dodecyl benzyl dimethyl ammonium chloride, Varion CDG-K, alkylphenol polyoxyethylene and water is taken by above-mentioned weight percent;
(2) water is added constant temperature to 60 DEG C in reactor, then under the state stirred, add Varion CDG-K, constant temperature to 60 DEG C again after mixing;
(3) oleic acid base imidazoline quaternary ammonium salt, dodecyl benzyl dimethyl ammonium chloride is added successively, isothermal reaction 30min under the condition of 60 DEG C at the state downhill reaction still stirred;
(4) under the state stirred, add alkylphenol polyoxyethylene, under the condition of 60 DEG C, isothermal reaction 30min, obtains product.
Embodiment 5
Oil/gas Well inhibition foaming water discharge agent, is made up of the component of following weight percents: oleic acid base imidazoline quaternary ammonium salt 37%, dodecyl benzyl dimethyl ammonium chloride 3%, Varion CDG-K 30%, alkylphenol polyoxyethylene 7%, water 23%; The preparation method of the present embodiment is identical with the preparation method of embodiment 1.
Products obtained therefrom testing experiment of the present invention is as follows:
1, water sample is tested
50g/L mineralized water, its compound method is: take 45.0g(NaCl respectively), 4.5g(CaCl
2), 0.3g(NaHCO
3), 0.2g(Na
2sO
4).
2, test medicine
A) the inhibition foaming water discharge agent (being called for short inhibition foam discharging agent) obtained by the embodiment of the present invention 1
B) gas well liquid foam water discharge agent XHY-4(is called for short XHY-4)
C) water soluble oils gas well inhibiter XSH-5(is called for short XSH-5)
3, test subject
3.1 foam and surely steep ability test
1) test apparatus:
A) Roche Latherometer is a set of
B) thermostatic water-circulator bath is a set of
C) electronic balance, precision 0.01g mono-
D) beaker, 500ml 3
E) transfer pipet, 50ml 1
F) quantitative funnel, 200ml 1
2) test method
Take 2.5g inhibition foam discharging agent in 500ml beaker, add test water sample be diluted to 500ml, obtain drug concentration be 0.5% treat sample measuring liquid, sample liquid is heated to 50 ± 1 DEG C, constant temperature 10min, for subsequent use.
With thermostatic water-circulator bath preheating Roche Latherometer and constant temperature at 50 ± 1 DEG C, with about 100 ~ 200ml sample liquid inner tubal wall fully to be washed away and after soaking, close Roche Latherometer lower end valve, with 50ml transfer pipet shift out 50ml heating treat that sample measuring liquid adds in Roche Latherometer, that shifts out that 200ml heated with the quantitative funnel of 200ml treats sample measuring liquid, forms liquid level in bottom.Need the transfer pipet of sample measuring liquid 200ml be placed in Roche Latherometer upper end center position by getting, aim at liquid level and vertically put down sample liquid, after tapping completes, write down foam height (this is foaming power) at once, and start timing with stopwatch, again record foam height (this is for surely steeping ability) after 3min.
When being 0.5% with method same above test XHY-4 drug concentration, the foaming in test water sample and surely steep ability.
Measure foaming when adding the XSH-5 of equivalent respectively in the inhibition foam discharging agent and XHY-4 of 0.5% concentration by method same above and surely steep ability, result is as following table 1.
Table 1
| Test medicine | Foaming power | Steady bubble ability |
| Inhibition foam discharging agent | 185mm | 190mm |
| XHY-4 | 188mm | 192mm |
| Inhibition foam discharging agent+XSH-5 | 178mm | 180mm |
| XHY-4+XSH-5 | 160mm | 115mm |
3) test-results
As can be seen from the test results, the under general condition foaming of inhibition foam discharging agent and steady bubble ability are arranged suitable with conventional bubble and to foam and foam stability can be excellent, inhibiter to inhibition foam discharging agent to take liquid performance impact minimum, but conventional bubble row is easier to be subject to the impact of inhibiter and foaming power and steady bubble ability is declined by a relatively large margin.
3.2 fluid-carrying capability tests
1) test apparatus
A) to take liquid instrument a set of for constant temperature
B) thermostatic water-circulator bath is a set of
C) electronic balance, precision 0.01g mono-
D) beaker, 500ml 3
E) graduated cylinder, 250ml 2
2) test method
Take 2.5g inhibition foam discharging agent in 500ml beaker, add test water sample be diluted to 500ml, obtain drug concentration be 0.5% treat sample measuring liquid, sample liquid is heated to 50 ± 1 DEG C, constant temperature 10min, for subsequent use.
Take liquid instrument with thermostatic water-circulator bath preheating constant temperature and constant temperature at 50 ± 1 DEG C, with about 100 ~ 200ml sample liquid inner tubal wall fully to be washed away and after soaking, connect ventilation line and pass into the nitrogen of 300L/h, then measuring 250ml sample liquid with 250ml graduated cylinder and adding takes in liquid instrument, connect and take the supporting Liquid acquisition device of liquid instrument, in time managing interior complete non-foam and take out of, measure drag-out volume with graduated cylinder, this is liquid carry over, can calculate liquid rate of taking (taking liquid rate=liquid carry over/total liquid measure * 100%) simultaneously
When being 0.5% with method same above test XHY-4 drug concentration, the fluid-carrying capability in test water sample.
Measure fluid-carrying capability when adding the XSH-5 of equivalent respectively in the inhibition foam discharging agent and XHY-4 of 0.5% concentration by method same above, result is as following table 2.
Table 2
| Test medicine | Liquid carry over | Take liquid rate |
| Inhibition foam discharging agent | 211ml | 84.40% |
| XHY-4 | 209ml | 83.60% |
| Inhibition foam discharging agent+XSH-5 | 205ml | 82.00% |
| XHY-4+XSH-5 | 189ml | 75.60% |
As can be seen from the test results, under general condition the fluid-carrying capability of inhibition foam discharging agent is arranged quite with conventional bubble and takes liquid excellent property, inhibiter to inhibition foam discharging agent to take liquid performance impact minimum, but conventional bubble row is easier to be subject to the impact of inhibiter and fluid-carrying capability is declined by a relatively large margin.
3.3 corrosion inhibition tests
1) test method
Undertaken by the static corrosion inhibition rate measuring method of the normal pressure of petroleum industry standard SY/T 5273-2000, test water sample is this paper institute water distribution sample, passes into CO
2and making its content be 600mg/L, test period 72h, drug concentration 0.5%, measure the corrosion inhibition rate of inhibition foam discharging agent and XSH-5 respectively, result is as following table 3.
Table 3
| Test medicine | Corrosion inhibition rate |
| Inhibition foam discharging agent | 85.48% |
| XSH-5 | 87.23% |
As can be seen from the test results, the test determination corrosion inhibition of inhibition foam discharging agent is substantially identical with the corrosion inhibition of standard inhibiter XSH-5, and corrosion inhibition is excellent.
Should be noted that, above embodiment is the unrestricted technical scheme of the present invention in order to explanation only, although with reference to above-described embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: still can modify to the present invention or equivalent replacement, and not departing from any modification or partial replacement of the spirit and scope of the present invention, it all should be encompassed in right of the present invention.
Claims (6)
1. Oil/gas Well inhibition foaming water discharge agent, is characterized in that, described inhibition foaming water discharge agent is made up of the component of following weight percents:
Oleic acid base imidazoline quaternary ammonium salt 20 ~ 40%
Dodecyl benzyl dimethyl ammonium chloride 1 ~ 10%
Varion CDG-K 10 ~ 30%
Alkylphenol polyoxyethylene 5 ~ 10%
Water 10 ~ 30%.
2. Oil/gas Well inhibition foaming water discharge agent according to claim 1, it is characterized in that, described inhibition foaming water discharge agent is made up of the component of following weight percents: oleic acid base imidazoline quaternary ammonium salt 40%, dodecyl benzyl dimethyl ammonium chloride 5%, Varion CDG-K 25%, alkylphenol polyoxyethylene 10%, water 20%.
3. Oil/gas Well inhibition foaming water discharge agent according to claim 1, it is characterized in that, described inhibition foaming water discharge agent is made up of the component of following weight percents: oleic acid base imidazoline quaternary ammonium salt 35%, dodecyl benzyl dimethyl ammonium chloride 10%, Varion CDG-K 20%, alkylphenol polyoxyethylene 10%, water 25%.
4. Oil/gas Well inhibition foaming water discharge agent according to claim 1, it is characterized in that, described inhibition foaming water discharge agent is made up of the component of following weight percents: oleic acid base imidazoline quaternary ammonium salt 20%, dodecyl benzyl dimethyl ammonium chloride 10%, Varion CDG-K 30%, alkylphenol polyoxyethylene 10%, water 30%.
5. Oil/gas Well inhibition foaming water discharge agent according to claim 1, it is characterized in that, described inhibition foaming water discharge agent is made up of the component of following weight percents: oleic acid base imidazoline quaternary ammonium salt 30%, dodecyl benzyl dimethyl ammonium chloride 4%, Varion CDG-K 28%, alkylphenol polyoxyethylene 8%, water 30%.
6. the preparation method of inhibition foaming water discharge agent of the Oil/gas Well described in any one of Claims 1 to 5, is characterized in that, the concrete preparation method of described inhibition foaming water discharge agent is as follows:
(1) water is added constant temperature to 60 DEG C in reactor, then under the state stirred, add Varion CDG-K, constant temperature to 60 DEG C again after mixing;
(2) oleic acid base imidazoline quaternary ammonium salt, dodecyl benzyl dimethyl ammonium chloride is added successively, isothermal reaction 30min under the condition of 60 DEG C at the state downhill reaction still stirred;
(3) under the state stirred, add alkylphenol polyoxyethylene, isothermal reaction 30min under the condition of 60 DEG C, obtains Oil/gas Well inhibition foaming water discharge agent.
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| CN105104399A (en) * | 2015-10-10 | 2015-12-02 | 西安石油大学 | Granular corrosion inhibition bactericide for oil wells and preparation method of bactericide |
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| CN103614129A (en) | 2014-03-05 |
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