CN105010387B - A kind of preparing process of modified oil field composite sterilizing agent - Google Patents
A kind of preparing process of modified oil field composite sterilizing agent Download PDFInfo
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- CN105010387B CN105010387B CN201510396774.5A CN201510396774A CN105010387B CN 105010387 B CN105010387 B CN 105010387B CN 201510396774 A CN201510396774 A CN 201510396774A CN 105010387 B CN105010387 B CN 105010387B
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Abstract
The present invention relates to a kind of preparing process of modified oil field composite sterilizing agent.Its technical scheme is to comprise the following steps, by weight：1）To the multi-quaternary ammonium salt bactericide of BC 2,8 ~ 10 parts of polyhexamethylene guanide, 8 ~ 10 parts of tetrakis hydroxymetyl phosphonium sulfuric, 2 ~ 5 parts of methylisothiazolinone, 1 ~ 3 part of medical metronidazole, 1 ~ 3 part of dithiocyano-methane, 8 ~ 10 parts of glutaraldehyde, 1 ~ 2 part of isopropanol, 1 ~ 2 part of ethylene glycol and 0.1 ~ 0.5 part of the NPE 10 of preparing 15 ~ 20 parts of addition in kettle, 30 ~ 40 parts of water is added, is sufficiently stirred for；2）Sodium hydrate aqueous solution is added, regulation pH value is between 7 ~ 9.Beneficial effect is：While resistance is solved the problems, such as, also requirement reaches claimed below the bactericide：1）Sterilizing ability is strong, and lethasl concentration is low；2）It is applied widely, it is resistant to polymer-bearing waste-water；3）Good water solubility, adds conveniently, good with other water treatment agent compatibilities；4）It is with low cost.
Description
Technical field
The present invention relates to oil field chemical agent and preparing technical field, more particularly to a kind of modified oil field composite sterilizer
The preparing process of agent.
Background technology
In oil field production flood pattern, various harmful bacterial micro-organisms, most commonly sulfate reduction are there are
Bacterium（SRB）, saprophytic bacteria（TGB）And iron bacteria（IB）, wherein that maximum to oilfield transportation system harm is SRB.These bacteriums exist
Amount reproduction under anaerobic environment in underground or equipment, easily causes metal erosion, formation blockage, chemical agent rotten etc. a series of
Problem, in particular with the development of two, tertiary oil recovery technology, oil field note, water acquisition amount are continuously increased, and add answering for polymer flooding
With all breedings to bacterium in systems create advantage so that the harm of bacterium is increasingly serious.Therefore, produced-water reinjection
Before will carry out sterilization processing, bactericide conventional at present has four kinds of oxidized form, quaternary ammonium salt, heterocyclic compound and aldehydes.
Due to being limited by factors such as environment, cost and the resistances to the action of a drug, a kind of efficient, low toxicity, oil field water process with low cost are invented
It is particularly significant with bactericide.
Chinese patent literature publication number 103340202A, patent name is《A kind of preparation side of high-efficiency oilfield bactericide
Method》, comprise the following steps preparation：Solvent is added into reactor, heating is opened, polyalcohol or/and phenol are added to reactor；Temperature
Degree control is added dropwise tertiary amine below 50 DEG C, and completion of dropping is sufficiently stirred for being incubated 10min；Temperature is improved, epoxychloropropane is added dropwise,
Completion of dropping, insulation reaction；Add reverse osmosis water regulation active matter content.It is an advantage of the invention that having economic benefits and social benefits bactericidal property；
The resistance problems of sulfate reducing bacteria can effectively be solved；And with good compatibility, can effectively kill and suppress oil field
Sulfate reducing bacteria.
Chinese patent literature Publication No. 103478164A, patent name is《A kind of oil field sewage bactericide and its preparation
Method》,.The oil field sewage bactericide is by nano titanium dioxide powder, crosslinking agent, surfactant and oxidant according to following matter
Amount percentage is mixed：10~15% nano titanium dioxide powder, 0.5~2% crosslinking agent, 5~10% table
Face activating agent, 5~10% oxidant, balance of water.The bactericide can be deposited on tube wall, bent angle etc. with liquid stream, slowly
Dilute host, lasting medicine is corrosion-free to pipeline, to the comprehensive of sulfate reducing bacteria, saprophytic bacteria and iron bacteria after filling 18 days
Sterilizing rate is closed still up to more than 90%, and the medicament filling cycle is 15~25 days, is 10~15 times of General Medicine, significantly
Slow down manipulation strength and reduce cost.
But, all there are such or such some technical problems in document disclosed above, such as environmental pollution, add cost
Problem, does not obtain large-scale promotion application in oil field.
The content of the invention
The drawbacks described above that the purpose of the present invention exists aiming at prior art, there is provided it is a kind of efficiently, it is low toxicity, with low cost
Modified oil field composite sterilizing agent preparing process.
A kind of preparing process of modified oil field composite sterilizing agent that the present invention is mentioned, its technical scheme be include it is following
Step, by weight：
1）To BC-2 multi-quaternary ammonium salts bactericide, 8 ~ 10 parts of polyhexamethylene guanide, 8 ~ 10 of preparing 15 ~ 20 parts of addition in kettle
The tetrakis hydroxymetyl phosphonium sulfuric, 2 ~ 5 parts of methylisothiazolinone, 1 ~ 3 part of medical metronidazole, 1 ~ 3 part of dithiocyano first of part
Alkane, 8 ~ 10 parts of glutaraldehyde, 1 ~ 2 part of isopropanol, 1 ~ 2 part of ethylene glycol and 0.1 ~ 0.5 part of NPE-
10,30 ~ 40 parts of water is added, it is sufficiently stirred for；
2）Sodium hydrate aqueous solution is added, regulation pH value is between 7 ~ 9；
3）The solution for obtaining is modified oil field of the invention composite sterilizing agent.
The making step of above-mentioned BC-2 multi-quaternary ammonium salt bactericide is as follows, by weight：
1）To the monomethylamine aqueous solution that 5 ~ 7 parts are added in reactor, under stirring, 8 ~ 10 parts of epoxy chloropropionate is added
Alkane, is warming up to 45 DEG C -55 DEG C, isothermal reaction 4h -6h；
2）65 DEG C -75 DEG C are continuously heating to, 25 ~ 30 parts of dodeca-tertiary amine, isothermal reaction 3h -5h is added；
3）75 DEG C -85 DEG C are continuously heating to, 8 ~ 10 parts of benzyl chloride, isothermal reaction 1h -3h is added；
4）After reaction terminates, 40 ~ 60 parts of water is added, stirred, the product for reacting generation is BC-2 multi-quaternary ammonium salts
Bactericide.
Preferably, a kind of making step of above-mentioned BC-2 multi-quaternary ammonium salt bactericide is as follows, by weight：
1）To the monomethylamine aqueous solution that 5 ~ 7 parts are added in reactor, under stirring, 8 ~ 10 parts of epoxy chloropropionate is added
Alkane, is warming up to 50 DEG C, isothermal reaction 5h；
2）70 DEG C are continuously heating to, 25 ~ 30 parts of dodeca-tertiary amine, isothermal reaction 4h is added；
3）80 DEG C are continuously heating to, 8 ~ 10 parts of benzyl chloride, isothermal reaction 2h is added；
4）After reaction terminates, 40 ~ 60 parts of water is added, stirred, the product for reacting generation is BC-2 multi-quaternary ammonium salts
Bactericide.
Above-mentioned poly (hexamethylene) hydrochloride, No. CAS is 57028-96-3, is a kind of cationic polymer.
Above-mentioned tetrakis hydroxymetyl phosphonium sulfuric, No. CAS is 55566-30-8, is a kind of quaternary alkylphosphonium salt, the short side chain of only one of which.
Above-mentioned methylisothiazolinone, No. CAS is 2682-20-4, is a kind of efficient germicide.
Above-mentioned medical metronidazole, No. CAS is 443-48-1, is a kind of nitroimidazole antibiotics, is called metronidazole, in vain
Color or creamy white crystals powder, fusing point 158-160.Hot water is dissolved in, ethanol is slightly soluble in, water or chloroform is slightly soluble in, it is atomic to be dissolved in
Ether.Bitter and it is slightly salty.Has powerful antibacterial action to most of anaerobic bacterias.
Above-mentioned dithiocyano-methane, No. CAS is 6317-18-6, also known as methylene bistheocyanate, abbreviation MBT.It is light yellow or
Connect subdiaphanous acicular crystal.It is a kind of bactericide of high-efficiency broad spectrum function admirable, there is stronger killing to bacterium, mould, algae
Hinder ability.
Above-mentioned glutaraldehyde, No. CAS is 111-30-8, and pure glutaraldehyde is colourless transparent oil liquid, soluble in water and second
The organic solvents such as ether, ethanol, are a kind of quick-acting, wide spectrum chemosterilants, and the glutaraldehyde water solution of low concentration is at normal temperatures
Activity can be shown to many microorganisms, to the bacterium of reproduction type, virus, mycobacteria, disease cause fungi and bacterial spore have
High degree of sterilization effect, and it is very low to people's toxicity.
Above-mentioned isopropanol, No. CAS is 67-63-0, is simplest secondary alcohol, and be one of isomers of normal propyl alcohol.It is
A kind of colourless flammable liquid for having an overpowering odor, there is the smell like ethanol and acetone mixture, and its smell is little.
Above-mentioned ethylene glycol, No. CAS is 107-20-1, and ethylene glycol, also known as glycol, is simplest aliphatic dihydroxy alcohol, tool
There is the chemical property of alcohols.
Above-mentioned NPE -10, No. CAS is 14409-72-4, is a kind of nonionic surface active agent,
A small amount of addition is used as stabilizer.
The beneficial effects of the invention are as follows：While resistance is solved the problems, such as, also requirement reaches following the bactericide
It is required that：1）Sterilizing ability is strong, and lethasl concentration is low；2）It is applied widely, it is resistant to polymer-bearing waste-water；3）Good water solubility, adds convenience, with
Other water treatment agent compatibilities are good；4）It is with low cost.
Specific embodiment
Embodiment 1：A kind of modified oil field composite sterilizing agent that the present invention is mentioned, its preparation method is：
1）To the monomethylamine aqueous solution that 5 parts are added in reactor, under stirring, 8 parts of epoxychloropropane is added, heated up
To 50 DEG C, isothermal reaction 4-6h；
2）70 DEG C are continuously heating to, 25 parts of dodeca-tertiary amine, isothermal reaction 3-5h is added；
3）80 DEG C are continuously heating to, 8 parts of benzyl chloride, isothermal reaction 1-3h is added；
4）After reaction terminates, 54 parts of water is added, stirred, the product for reacting generation is the sterilization of BC-2 multi-quaternary ammonium salts
Agent；
5）To the BC-2 multi-quaternary ammonium salts bactericide, 10 parts of polyhexamethylene guanide, the four of 10 parts that prepare 20 parts of addition in kettle
Methylol sulfuric acid phosphorus, 5 parts of methylisothiazolinone, 3 parts of medical metronidazole, 3 parts of dithiocyano-methane, the penta 2 of 10 parts
Aldehyde, 2 parts of isopropanol, 1.5 parts of ethylene glycol and 0.5 part of NPE -10, add 35 parts of water, fully
Stirring；
6）Sodium hydrate aqueous solution is added, regulation pH value is between 7 ~ 9；
7）The solution for obtaining is modified oil field of the invention composite sterilizing agent.
Embodiment 2：A kind of modified oil field composite sterilizing agent that the present invention is mentioned, its preparation method is：
1）To the monomethylamine aqueous solution that 7 parts are added in reactor, under stirring, 10 parts of epoxychloropropane is added, risen
Temperature is to 50 DEG C, isothermal reaction 5h；
2）70 DEG C are continuously heating to, 30 parts of dodeca-tertiary amine, isothermal reaction 4h is added；
3）80 DEG C are continuously heating to, 10 parts of benzyl chloride, isothermal reaction 2h is added；
4）After reaction terminates, 60 parts of water is added, stirred, the product for reacting generation is the sterilization of BC-2 multi-quaternary ammonium salts
Agent；
5）To BC-2 multi-quaternary ammonium salts bactericide, 9 parts of polyhexamethylene guanide, 9 parts of four hydroxyls of preparing 18 parts of addition in kettle
Methylsulfuric acid phosphorus, 4 parts of methylisothiazolinone, 2 parts of medical metronidazole, 2 parts of dithiocyano-methane, 9 parts of glutaraldehyde,
1.5 parts of isopropanol, 1.5 parts of ethylene glycol and 0.3 part of NPE -10, add 37 parts of water, fully stir
Mix；
6）Sodium hydrate aqueous solution is added, regulation pH value is between 7 ~ 9；
7）The solution for obtaining is modified oil field of the invention composite sterilizing agent.
Embodiment 3：A kind of modified oil field composite sterilizing agent that the present invention is mentioned, its preparation method is：
1）To the monomethylamine aqueous solution that 6 parts are added in reactor, under stirring, 9 parts of epoxychloropropane is added, heated up
To 50 DEG C, isothermal reaction 5h；
2）70 DEG C are continuously heating to, 28 parts of dodeca-tertiary amine, isothermal reaction 4h is added；
3）80 DEG C are continuously heating to, 9 parts of benzyl chloride, isothermal reaction 2h is added；
4）After reaction terminates, 52 parts of water is added, stirred, the product for reacting generation is the sterilization of BC-2 multi-quaternary ammonium salts
Agent；
5）To the BC-2 multi-quaternary ammonium salts bactericide, 10 parts of polyhexamethylene guanide, the four of 10 parts that prepare 20 parts of addition in kettle
Methylol sulfuric acid phosphorus, 5 parts of methylisothiazolinone, 3 parts of medical metronidazole, 3 parts of dithiocyano-methane, the penta 2 of 10 parts
Aldehyde, 2 parts of isopropanol, 2 parts of ethylene glycol and 0.5 part of NPE -10, add 40 parts of water, fully stir
Mix；
6）Sodium hydrate aqueous solution is added, regulation pH value is between 7 ~ 9；
7）The solution for obtaining is modified oil field of the invention composite sterilizing agent.
Experimental example 1：
This experimental example is detected to the bactericidal property of embodiment 1-3 gained modifieds oil field composite sterilizing agent.As a result
As shown in table 1.
Detection method：Certain oil recovery factory of triumph is chosen to stick together two sewage plants（Polymer-bearing waste-water）With the water of six sewage plants that stick together as reality
Test and use water.Water sample should as early as possible carry out bactericidal effect within 24 h after acquisition.As experiment can not be returned in 24 h for some reason
Room is tested, then add Nutrient medium culture 24h~72h to be tested in water sample, and Nutrient medium addition is recommended as（1~2）
mL/L.The optimum growth temp of bacterium is generally 30 DEG C~50 DEG C in sewage, it should be noted that insulation after winter scene water sampling.With reference to
Q/SH 1020 0688-2013《Oil field produced water process bactericide general technical specifications》Embodiment 1-3 gained is investigated to improve
The bactericidal property of type oil field composite sterilizing agent.
The bactericidal property testing result of the embodiment 1-3 of table 1 gained modifieds oil field composite sterilizing agent
As it can be seen from table 1 the modified oil field composite sterilizing agent of the gained of embodiment 1 ~ 3 is to common sewage and containing poly- dirt
The bactericidal property of water is all very excellent, has exceeded the 0688-2013 of China PetroChemical Corporation company standard Q/SH 1020
Requirement, the performance of wherein embodiment 3 is best.
Experimental example 2：
This experimental example is to embodiment 1-3 gained modified oil field composite sterilizing agents and corrosion inhibiter, the compatibility of antisludging agent
Investigated, as a result as Table 2,3.Investigation method：With reference to Q/SHCG 40-2012《Oil field produced water process corrosion inhibiter skill
Art requirement》With the 1452-2013 of Q/SH 1020《Oil field produced water process scale preventative general technical specifications》After investigating compatibility
Inhibition and anti-scaling property, with reference to the 0688-2013 of Q/SH 1020《Oil field produced water process bactericide general technical specifications》Examine
Examine the bactericidal property after implementing compounding（- represent and kill, X is represented and not killed）.Wherein corrosion inhibiter and scale preventative are all existing product
Product, are produced by our company.
The compatibility experimental result of the embodiment 1-3 of table 2 gained modified oil field composite sterilizing agents and corrosion inhibiter
The compatibility experimental result of the embodiment 1-3 of table 3 gained modified oil field composite sterilizing agents and scale preventative
From table 2,3 as can be seen that after modified oil field of the invention composite sterilizing agent and corrosion inhibiter are compounded, not
The corrosion inhibition of corrosion inhibiter is influenceed, or even slightly enhancing does not influence bactericidal property of the invention simultaneously yet；It is of the invention new
After efficient compound bactericide and scale preventative are compounded, the anti-scaling property without influence scale preventative is while also without influence on killing
The bactericidal property of microbial inoculum.Therefore, modified oil field of the invention composite sterilizing agent has well with oil field flood pattern Chinese medicine
Compatibility.
The above, is only part preferred embodiment of the invention, and any those of ordinary skill in the art may profit
Equivalent technical scheme is changed or is revised as with the technical scheme of above-mentioned elaboration.Therefore, according to technology of the invention
Any simple modification or substitute equivalents that scheme is carried out, belong to the greatest extent the scope of protection of present invention.
Claims (2)
1. the preparing process of a kind of modified oil field composite sterilizing agent, it is characterized in that：Comprise the following steps, by weight：
1）To prepare kettle in add 15 ~ 20 parts BC-2 multi-quaternary ammonium salts bactericide, 8 ~ 10 parts of polyhexamethylene guanide, 8 ~ 10 parts
Tetrakis hydroxymetyl phosphonium sulfuric, 2 ~ 5 parts of methylisothiazolinone, 1 ~ 3 part of medical metronidazole, 1 ~ 3 part of dithiocyano-methane,
8 ~ 10 parts of glutaraldehyde, 1 ~ 2 part of isopropanol, 1 ~ 2 part of ethylene glycol and 0.1 ~ 0.5 part of NPE -10, then
30 ~ 40 parts of water is added, is sufficiently stirred for；
2）Sodium hydrate aqueous solution is added, regulation pH value is between 7 ~ 9；
The solution for obtaining is modified oil field of the invention composite sterilizing agent；
Wherein, the making step of the BC-2 multi-quaternary ammonium salts bactericide is as follows, by weight：
1）To the monomethylamine aqueous solution that 5 ~ 7 parts are added in reactor, under stirring, 8 ~ 10 parts of epoxychloropropane is added, risen
Temperature is to 45 DEG C -55 DEG C, isothermal reaction 4h -6h；
2）65 DEG C -75 DEG C are continuously heating to, 25 ~ 30 parts of dodeca-tertiary amine, isothermal reaction 3h -5h is added；
3）75 DEG C -85 DEG C are continuously heating to, 8 ~ 10 parts of benzyl chloride, isothermal reaction 1h -3h is added；
4）After reaction terminates, 40 ~ 60 parts of water is added, stirred, the product for reacting generation is the sterilization of BC-2 multi-quaternary ammonium salts
Agent.
2. the preparing process of a kind of modified oil field composite sterilizing agent, it is characterized in that：Comprise the following steps, by weight：
1）To prepare kettle in add 15 ~ 20 parts BC-2 multi-quaternary ammonium salts bactericide, 8 ~ 10 parts of polyhexamethylene guanide, 8 ~ 10 parts
Tetrakis hydroxymetyl phosphonium sulfuric, 2 ~ 5 parts of methylisothiazolinone, 1 ~ 3 part of medical metronidazole, 1 ~ 3 part of dithiocyano-methane,
8 ~ 10 parts of glutaraldehyde, 1 ~ 2 part of isopropanol, 1 ~ 2 part of ethylene glycol and 0.1 ~ 0.5 part of NPE -10, then
30 ~ 40 parts of water is added, is sufficiently stirred for；
2）Sodium hydrate aqueous solution is added, regulation pH value is between 7 ~ 9；
The solution for obtaining is modified oil field of the invention composite sterilizing agent；
Wherein, the making step of the BC-2 multi-quaternary ammonium salts bactericide is as follows, by weight：
1）To the monomethylamine aqueous solution that 5 ~ 7 parts are added in reactor, under stirring, 8 ~ 10 parts of epoxychloropropane is added, risen
Temperature is to 50 DEG C, isothermal reaction 5h；
2）70 DEG C are continuously heating to, 25 ~ 30 parts of dodeca-tertiary amine, isothermal reaction 4h is added；
3）80 DEG C are continuously heating to, 8 ~ 10 parts of benzyl chloride, isothermal reaction 2h is added；
4）After reaction terminates, 40 ~ 60 parts of water is added, stirred, the product for reacting generation is the sterilization of BC-2 multi-quaternary ammonium salts
Agent.
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| CN106719772A (en) * | 2016-11-22 | 2017-05-31 | 俞潮军 | A kind of environment-friendly high-efficiency compound disinfectant |
| US10563042B2 (en) | 2016-12-14 | 2020-02-18 | Ecolab Usa Inc. | Quaternary cationic polymers |
| US11427964B2 (en) | 2018-06-12 | 2022-08-30 | Ecolab Usa Inc. | Quaternary cationic surfactants and polymers for use as release and coating modifying agents in creping and tissue papers |
| CN108902211A (en) * | 2018-07-27 | 2018-11-30 | 黄志优 | A kind of fungicide for oil field waste |
| CN110141970A (en) * | 2018-12-11 | 2019-08-20 | 德蓝水技术股份有限公司 | Fungicide is used in reverse osmosis membrane cleaning |
| CN112021323A (en) * | 2020-08-21 | 2020-12-04 | 天津正达科技有限责任公司 | Bactericide for offshore oilfield reinjection water and preparation method thereof |
| CN113652139A (en) * | 2021-07-23 | 2021-11-16 | 国家石油天然气管网集团有限公司 | Anti-corrosion and anti-bacterial coating for upper surface of bottom plate of crude oil storage tank and preparation method thereof |
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