CN104430564A - Oilfield reinjection water bactericide and preparation method thereof - Google Patents
Oilfield reinjection water bactericide and preparation method thereof Download PDFInfo
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Abstract
The invention discloses an oilfield reinjection water bactericide and a preparation method thereof, and belongs to the technical field of oilfield chemicals. The oilfield reinjection water bactericide comprises, by weight, 4-7 parts of polyamine propyl biguanide, 1-2 parts of imidazoline biguanide sulfate, 4-8 parts of cocamidopropyl dimethylamine oxide, 3-6 parts of sodium lauroyl sarcosinate, 1-3 parts of guar gum, 2-3 parts of kresoxim-methyl, 1-2 parts of chenopodium album, 2-3.5 parts of sinapsis alba, 0.1-0.3 part of chlorhexidine acetate, 0.5-1 part of N-hydroxy quadrol triacetate and 80-100 parts of water. According to the oilfield reinjection water bactericide, by the aid of a reasonable formula and compatibility thereof, water injection process procedures are simplified, defoaming agents are no longer used, a bactericide containing substances such as chlorine, phosphorus and formaldehyde is avoided, an underground water layer cannot be damaged, and the bactericide has special effects for fungi, heterotrophic bacteria, alga, particularly saprophytic bacteria and sulfate reducing bacteria in oilfield reinjection water.
Description
Technical field
The invention belongs to oil field chemicals technical field, be specifically related to a kind of oil field reinjection water sterilizing agent and preparation method thereof.
Background technology
Oil field recharged waste water bacterial content is general higher, generally comprise sulfate reducing bacteria, saprophytic bacteria, iron bacteria etc.The raised growth of bacterium and breeding, not only to cause damage blocking to reservoir, affect development effectiveness, cause oil recovery factor to decline, and make water injection well pressure increase, and water injecting consumption rises.Meanwhile, the corrosion of aggravation surface line, equipment and pit shaft, finally causes Development Response of Oilfield to be deteriorated, and production cost rises, and overall efficiency declines, and then the sustainable development in serious restriction oil field.In order to overcome this problem, we take the mode adding bactericide in reinjected water to carry out sterilization processing.
The measure preventing and control germ contamination and harm has multiple, and wherein convenient, measure effectively and rapidly adds bactericide.
The bactericide that tradition uses is all the compositions such as chloride, phosphorus, formaldehyde, and these materials itself are combustion-supporting, and high poison, has strong impulse smell, corrosion skin, and meeting combustible can burn, blast, and volatile, tool is not long-lasting, and transport is very inconvenient.Use careless, can cause permanent damage to water table, make descendants thoroughly lose valuable back water source, this material can the skin of serious stimulation applications personnel simultaneously, and eyes, mucous membrane, Long Term Contact is also easily carcinogenic.Therefore how overcoming the deficiencies in the prior art is problems that current oil field chemicals technical field needs solution badly.
Summary of the invention
The present invention is in order to solve the deficiencies in the prior art, and provide a kind of oil field reinjection water sterilizing agent and preparation method thereof, this bactericide has no irritating odor, to the no skin irritation of directory operator, stable chemical performance simultaneously, sterilizing time is long-acting, do not burn, do not explode, shipping storage safety.
The technical solution used in the present invention is as follows:
A kind of oil field reinjection water sterilizing agent, comprises the following component according to weight fraction meter:
PHMB 4-7 part, imidazoline biguanides sulphate 1-2 part, cocamidopropyl propyl amide amine oxide 4-8 part, sodium lauroyl sarcosine 3-6 part, guar gum 1-3 part, kresoxim-methyl 2-3 part, grey dish 1-2 part, sinapsis alba 2-3.5 part, chlorhexidine acetate 0.1-0.3 part, N-hydroxy-ethylenediamine three acetic acid 0.5-1 part, water 80-100 part.
Further, preferably described oil field reinjection water sterilizing agent, comprises the following component according to weight fraction meter:
PHMB 5 parts, 1.3 parts, imidazoline biguanides sulphate, cocamidopropyl propyl amide amine oxide 6 parts, sodium lauroyl sarcosine 5 parts, guar gum 2 parts, kresoxim-methyl 2.4 parts, grey dish 1.2 parts, sinapsis alba 3 parts, chlorhexidine acetate 0.2 part, N-hydroxy-ethylenediamine three acetic acid 0.7 part, 90 parts, water.
Further, preferably described oil field reinjection water sterilizing agent, comprises the following component according to weight fraction meter:
PHMB 6 parts, 1.8 parts, imidazoline biguanides sulphate, cocamidopropyl propyl amide amine oxide 7 parts, sodium lauroyl sarcosine 4 parts, guar gum 2.5 parts, kresoxim-methyl 2.8 parts, grey dish 1.9 parts, sinapsis alba 2.5 parts, chlorhexidine acetate 0.26 part, N-hydroxy-ethylenediamine three acetic acid 0.8 part, 93 parts, water.
The present invention also provides the preparation method of a kind of oil field reinjection water sterilizing agent, comprises the steps:
Step (1), is crushed to 100-200 order by grey dish together with sinapsis alba, then with ethanol is to leach solvent percolation to extract, and the extract obtained is concentrated into without alcohol taste, obtains extract;
Step (2), is added to the water cocamidopropyl propyl amide amine oxide, is warming up to 60-70 DEG C after mixing, then add guar gum wherein, high speed dispersion together with sodium lauroyl sarcosine, is down to room temperature and obtains dispersion liquid;
Step (3), extract step (1) obtained, PHMB, imidazoline biguanides sulphate are added in the dispersion liquid that step (2) obtains together with kresoxim-methyl, high speed dispersion, then be heated to 52-56 DEG C, then add chlorhexidine acetate and N-hydroxy-ethylenediamine three acetic acid wherein, keep temperature, ultrasonic 20-30min, filter, get filtrate, obtain oil field reinjection water sterilizing agent.
Further, preferably the high speed dispersion speed described in step (2) is 8000rpm/min.
Further, preferably the high speed dispersion speed described in step (3) is 15000rpm/min.
The present invention compared with prior art, its beneficial effect is: (1) oil field of the present invention reinjection water sterilizing agent is by reasonably filling a prescription and compatibility, make water injection technology program simplification, defoamer need not be re-used, also avoid the bactericide of the materials such as use is chloride, phosphorus, formaldehyde and destroy water table, and this bactericide there is special efficacy to the fungi in oil field reinjection water, heterotrophic bacteria, algae, particularly saprophytic bacteria and sulfate reducing bacteria; (2) preparation method of the present invention is simple, and obtained oil field reinjection water sterilizing agent stable chemical performance, long-acting, safety and environmental protection, is easy to apply.
Embodiment
Below in conjunction with embodiment, set forth the present invention further.
It will be understood to those of skill in the art that the following example only for illustration of the present invention, and should not be considered as limiting scope of the present invention.Unreceipted concrete technology or condition person in embodiment, according to the technology described by the document in this area or condition or carry out according to product description.Agents useful for same or the unreceipted production firm person of instrument, being can by buying the conventional products obtained.
Embodiment 1
A kind of oil field reinjection water sterilizing agent, comprises the following component according to weight fraction meter:
PHMB 4 parts, 1 part, imidazoline biguanides sulphate, cocamidopropyl propyl amide amine oxide 4 parts, sodium lauroyl sarcosine 3 parts, guar gum 1 part, kresoxim-methyl 2 parts, grey dish 1 part, sinapsis alba 2 parts, chlorhexidine acetate 0.1 part, N-hydroxy-ethylenediamine three acetic acid 0.5 part, 80 parts, water.
The preparation method of the present embodiment oil field reinjection water sterilizing agent, comprises the steps:
Step (1), is crushed to 100-200 order by grey dish together with sinapsis alba, then with ethanol is to leach solvent percolation to extract, and the extract obtained is concentrated into without alcohol taste, obtains extract;
Step (2), is added to the water cocamidopropyl propyl amide amine oxide together with sodium lauroyl sarcosine, is warming up to 60 DEG C, then adds guar gum wherein after mixing, and with the speed high speed dispersion of 8000rpm/min, is down to room temperature and obtains dispersion liquid;
Step (3), extract step (1) obtained, PHMB, imidazoline biguanides sulphate are added in the dispersion liquid that step (2) obtains together with kresoxim-methyl, with the speed high speed dispersion of 15000rpm/min, then be heated to 52 DEG C, then add chlorhexidine acetate and N-hydroxy-ethylenediamine three acetic acid wherein, keep temperature, ultrasonic 20min, filter, get filtrate, obtain oil field reinjection water sterilizing agent.
Embodiment 2
PHMB 7 parts, 2 parts, imidazoline biguanides sulphate, cocamidopropyl propyl amide amine oxide 8 parts, sodium lauroyl sarcosine 6 parts, guar gum 3 parts, kresoxim-methyl 3 parts, grey dish 2 parts, sinapsis alba 3.5 parts, chlorhexidine acetate 0.3 part, N-hydroxy-ethylenediamine three acetic acid 1 part, 100 parts, water.
The preparation method of the present embodiment oil field reinjection water sterilizing agent, comprises the steps:
Step (1), is crushed to 100-200 order by grey dish together with sinapsis alba, then with ethanol is to leach solvent percolation to extract, and the extract obtained is concentrated into without alcohol taste, obtains extract;
Step (2), is added to the water cocamidopropyl propyl amide amine oxide together with sodium lauroyl sarcosine, is warming up to 70 DEG C, then adds guar gum wherein after mixing, and with the speed high speed dispersion of 8000rpm/min, is down to room temperature and obtains dispersion liquid;
Step (3), extract step (1) obtained, PHMB, imidazoline biguanides sulphate are added in the dispersion liquid that step (2) obtains together with kresoxim-methyl, with the speed high speed dispersion of 15000rpm/min, then be heated to 56 DEG C, then add chlorhexidine acetate and N-hydroxy-ethylenediamine three acetic acid wherein, keep temperature, ultrasonic 30min, filter, get filtrate, obtain oil field reinjection water sterilizing agent.
Embodiment 3
A kind of oil field reinjection water sterilizing agent, comprises the following component according to weight fraction meter:
PHMB 5 parts, 1.3 parts, imidazoline biguanides sulphate, cocamidopropyl propyl amide amine oxide 6 parts, sodium lauroyl sarcosine 5 parts, guar gum 2 parts, kresoxim-methyl 2.4 parts, grey dish 1.2 parts, sinapsis alba 3 parts, chlorhexidine acetate 0.2 part, N-hydroxy-ethylenediamine three acetic acid 0.7 part, 90 parts, water.
The preparation method of the present embodiment oil field reinjection water sterilizing agent, comprises the steps:
Step (1), is crushed to 100-200 order by grey dish together with sinapsis alba, then with ethanol is to leach solvent percolation to extract, and the extract obtained is concentrated into without alcohol taste, obtains extract;
Step (2), is added to the water cocamidopropyl propyl amide amine oxide together with sodium lauroyl sarcosine, is warming up to 65 DEG C, then adds guar gum wherein after mixing, and with the speed high speed dispersion of 8000rpm/min, is down to room temperature and obtains dispersion liquid;
Step (3), extract step (1) obtained, PHMB, imidazoline biguanides sulphate are added in the dispersion liquid that step (2) obtains together with kresoxim-methyl, with the speed high speed dispersion of 15000rpm/min, then be heated to 54 DEG C, then add chlorhexidine acetate and N-hydroxy-ethylenediamine three acetic acid wherein, keep temperature, ultrasonic 23min, filter, get filtrate, obtain oil field reinjection water sterilizing agent.
Embodiment 4
A kind of oil field reinjection water sterilizing agent, comprises the following component according to weight fraction meter:
PHMB 6 parts, 1.8 parts, imidazoline biguanides sulphate, cocamidopropyl propyl amide amine oxide 7 parts, sodium lauroyl sarcosine 4 parts, guar gum 2.5 parts, kresoxim-methyl 2.8 parts, grey dish 1.9 parts, sinapsis alba 2.5 parts, chlorhexidine acetate 0.26 part, N-hydroxy-ethylenediamine three acetic acid 0.8 part, 93 parts, water.
The preparation method of the present embodiment oil field reinjection water sterilizing agent, comprises the steps:
Step (1), is crushed to 100-200 order by grey dish together with sinapsis alba, then with ethanol is to leach solvent percolation to extract, and the extract obtained is concentrated into without alcohol taste, obtains extract;
Step (2), is added to the water cocamidopropyl propyl amide amine oxide together with sodium lauroyl sarcosine, is warming up to 67 DEG C, then adds guar gum wherein after mixing, and with the speed high speed dispersion of 8000rpm/min, is down to room temperature and obtains dispersion liquid;
Step (3), extract step (1) obtained, PHMB, imidazoline biguanides sulphate are added in the dispersion liquid that step (2) obtains together with kresoxim-methyl, with the speed high speed dispersion of 15000rpm/min, then be heated to 55 DEG C, then add chlorhexidine acetate and N-hydroxy-ethylenediamine three acetic acid wherein, keep temperature, ultrasonic 28min, filter, get filtrate, obtain oil field reinjection water sterilizing agent.
Reference examples 1
Be with the difference of embodiment 4: not containing imidazoline biguanides sulphate, specific as follows:
A kind of oil field reinjection water sterilizing agent, comprises the following component according to weight fraction meter:
PHMB 6 parts, cocamidopropyl propyl amide amine oxide 7 parts, sodium lauroyl sarcosine 4 parts, guar gum 2.5 parts, kresoxim-methyl 2.8 parts, grey dish 1.9 parts, sinapsis alba 2.5 parts, chlorhexidine acetate 0.26 part, N-hydroxy-ethylenediamine three acetic acid 0.8 part, 93 parts, water.
The preparation method of the present embodiment oil field reinjection water sterilizing agent, comprises the steps:
Step (1), is crushed to 100-200 order by grey dish together with sinapsis alba, then with ethanol is to leach solvent percolation to extract, and the extract obtained is concentrated into without alcohol taste, obtains extract;
Step (2), is added to the water cocamidopropyl propyl amide amine oxide together with sodium lauroyl sarcosine, is warming up to 67 DEG C, then adds guar gum wherein after mixing, and with the speed high speed dispersion of 8000rpm/min, is down to room temperature and obtains dispersion liquid;
Step (3), extract step (1) obtained, PHMB are added in the dispersion liquid that step (2) obtains together with kresoxim-methyl, with the speed high speed dispersion of 15000rpm/min, then be heated to 55 DEG C, then add chlorhexidine acetate and N-hydroxy-ethylenediamine three acetic acid wherein, keep temperature, ultrasonic 28min, filter, get filtrate, obtain oil field reinjection water sterilizing agent.
Reference examples 2
Be with the difference of embodiment 4: not containing grey dish, specific as follows:
A kind of oil field reinjection water sterilizing agent, comprises the following component according to weight fraction meter:
PHMB 6 parts, 1.8 parts, imidazoline biguanides sulphate, cocamidopropyl propyl amide amine oxide 7 parts, sodium lauroyl sarcosine 4 parts, guar gum 2.5 parts, kresoxim-methyl 2.8 parts, sinapsis alba 2.5 parts, chlorhexidine acetate 0.26 part, N-hydroxy-ethylenediamine three acetic acid 0.8 part, 93 parts, water.
The preparation method of the present embodiment oil field reinjection water sterilizing agent, comprises the steps:
Step (1), is crushed to 100-200 order by sinapsis alba, then with ethanol be to leach solvent percolation to extract, and the extract obtained is concentrated into without alcohol taste, obtains extract;
Step (2), is added to the water cocamidopropyl propyl amide amine oxide together with sodium lauroyl sarcosine, is warming up to 67 DEG C, then adds guar gum wherein after mixing, and with the speed high speed dispersion of 8000rpm/min, is down to room temperature and obtains dispersion liquid;
Step (3), extract step (1) obtained, PHMB, imidazoline biguanides sulphate are added in the dispersion liquid that step (2) obtains together with kresoxim-methyl, with the speed high speed dispersion of 15000rpm/min, then be heated to 55 DEG C, then add chlorhexidine acetate and N-hydroxy-ethylenediamine three acetic acid wherein, keep temperature, ultrasonic 28min, filter, get filtrate, obtain oil field reinjection water sterilizing agent.
Reference examples 3
Be with the difference of embodiment 4: not containing guar gum in high-efficiency oilfield reinjection water sterilizing agent, specific as follows:
A kind of oil field reinjection water sterilizing agent, comprises the following component according to weight fraction meter:
PHMB 6 parts, 1.8 parts, imidazoline biguanides sulphate, cocamidopropyl propyl amide amine oxide 7 parts, sodium lauroyl sarcosine 4 parts, kresoxim-methyl 2.8 parts, grey dish 1.9 parts, sinapsis alba 2.5 parts, chlorhexidine acetate 0.26 part, N-hydroxy-ethylenediamine three acetic acid 0.8 part, 93 parts, water.
The preparation method of the present embodiment oil field reinjection water sterilizing agent, comprises the steps:
Step (1), is crushed to 100-200 order by grey dish together with sinapsis alba, then with ethanol is to leach solvent percolation to extract, and the extract obtained is concentrated into without alcohol taste, obtains extract;
Step (2), is added to the water cocamidopropyl propyl amide amine oxide together with sodium lauroyl sarcosine, is warming up to 67 DEG C after mixing, and with the speed high speed dispersion of 8000rpm/min, is down to room temperature and obtains dispersion liquid;
Step (3), extract step (1) obtained, PHMB, imidazoline biguanides sulphate are added in the dispersion liquid that step (2) obtains together with kresoxim-methyl, with the speed high speed dispersion of 15000rpm/min, then be heated to 55 DEG C, then add chlorhexidine acetate and N-hydroxy-ethylenediamine three acetic acid wherein, keep temperature, ultrasonic 28min, filter, get filtrate, obtain oil field reinjection water sterilizing agent.
Performance Detection:
The embodiment of the present invention 1 ~ 4 product and comparative example 1 ~ 3 fungicide effect as shown in table 1, wherein working concentration 20mg/l.
Table 1
As can be seen from Table 1, embodiment 1-4 product has good bactericidal effect and scale effect, and the effect in reference examples 1, reference examples 2 and reference examples 3 is inferior to embodiment; Embodiment 3 is optimum embodiments of the present invention.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (6)
1. an oil field reinjection water sterilizing agent, is characterized in that, comprises the following component according to weight fraction meter:
PHMB 4-7 part, imidazoline biguanides sulphate 1-2 part, cocamidopropyl propyl amide amine oxide 4-8 part, sodium lauroyl sarcosine 3-6 part, guar gum 1-3 part, kresoxim-methyl 2-3 part, grey dish 1-2 part, sinapsis alba 2-3.5 part, chlorhexidine acetate 0.1-0.3 part, N-hydroxy-ethylenediamine three acetic acid 0.5-1 part, water 80-100 part.
2. oil field according to claim 1 reinjection water sterilizing agent, is characterized in that, comprises the following component according to weight fraction meter:
PHMB 5 parts, 1.3 parts, imidazoline biguanides sulphate, cocamidopropyl propyl amide amine oxide 6 parts, sodium lauroyl sarcosine 5 parts, guar gum 2 parts, kresoxim-methyl 2.4 parts, grey dish 1.2 parts, sinapsis alba 3 parts, chlorhexidine acetate 0.2 part, N-hydroxy-ethylenediamine three acetic acid 0.7 part, 90 parts, water.
3. oil field according to claim 1 reinjection water sterilizing agent, is characterized in that, comprises the following component according to weight fraction meter:
PHMB 6 parts, 1.8 parts, imidazoline biguanides sulphate, cocamidopropyl propyl amide amine oxide 7 parts, sodium lauroyl sarcosine 4 parts, guar gum 2.5 parts, kresoxim-methyl 2.8 parts, grey dish 1.9 parts, sinapsis alba 2.5 parts, chlorhexidine acetate 0.26 part, N-hydroxy-ethylenediamine three acetic acid 0.8 part, 93 parts, water.
4. the preparation method of oil field according to claim 1 reinjection water sterilizing agent, is characterized in that, comprise the steps:
Step (1), is crushed to 100-200 order by grey dish together with sinapsis alba, then with ethanol is to leach solvent percolation to extract, and the extract obtained is concentrated into without alcohol taste, obtains extract;
Step (2), is added to the water cocamidopropyl propyl amide amine oxide, is warming up to 60-70 DEG C after mixing, then add guar gum wherein, high speed dispersion together with sodium lauroyl sarcosine, is down to room temperature and obtains dispersion liquid;
Step (3), extract step (1) obtained, PHMB, imidazoline biguanides sulphate are added in the dispersion liquid that step (2) obtains together with kresoxim-methyl, high speed dispersion, then be heated to 52-56 DEG C, then add chlorhexidine acetate and N-hydroxy-ethylenediamine three acetic acid wherein, keep temperature, ultrasonic 20-30min, filter, get filtrate, obtain oil field reinjection water sterilizing agent.
5. the preparation method of oil field according to claim 4 reinjection water sterilizing agent, is characterized in that the high speed dispersion speed described in step (2) is 8000rpm/min.
6. preparation method's method of oil field according to claim 5 reinjection water sterilizing agent, is characterized in that the high speed dispersion speed described in step (3) is 15000rpm/min.
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