CN104397055A - Oilfield compound type bactericide and preparation method thereof - Google Patents
Oilfield compound type bactericide and preparation method thereof Download PDFInfo
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Abstract
The invention discloses an oilfield compound type bactericide and a preparation method thereof, and belongs to the technical field of oilfield chemicals; the oilfield compound type bactericide comprises the following components in parts by weight: 3-7 parts of dithiocyano-methane, 5-10 parts of cocoyl trimethyl ammonium chloride, 0.1-0.3 part of methylene blue, 1-2 parts of imidazoline metformin sulfate, 1-2 parts of radix clematidis, 2-5 parts of radix gentianae macrophyllae, 0.5-1 part of dendrobium nobile, 0.05-0.5 part of lemon oil, 2-5 parts of polyethylene glycol, and 60-80 parts of water. Through the reasonable formula and compatibility, the oilfield compound type bactericide has good bactericidal effect, and enables the sterilizing rate on reducing bacteria and saprophytic bacteria to reach 98% or more; and at the same time, the oilfield compound type bactericide has the advantages of stable chemical performance, long acting, safety, environmental protection, and easy popularization and application, and avoids damage to a groundwater layer.
Description
Technical field
The invention belongs to oil field chemicals technical field, be specifically related to a kind of oil field Compositional type bactericide and preparation method thereof.
Background technology
In field produces operation, modal bacterium has three classes: (1) sulfate reducing bacteria (SRB); (2) saprophytic bacteria (TGB), makes again mucus form bacterium; (3) iron bacteria, bacterium endangers the serious consequence brought and mainly contains three aspects: first, make various working solution system as the polymer biodegradation in drilling fluid, completion fluid, fracturing fluid etc., thus affect original performance of various working solution system, and then affect normally carrying out of various operation; Second: the metabolite in bacterial growth reproductive process has stronger corrosivity, can cause or the corrosion of acceleration equipment; 3rd, in production operation process, polluted bacteria can enter stratum or equipment pipe with various working solution system, thus causes the germ contamination of stratum or equipment pipe, and then causes fouling or blocking.
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, in order to solve the deficiencies in the prior art, provides a kind of oil field Compositional type bactericide and preparation method thereof, and this prepares oil field Compositional type bactericide safety and environmental protection, and stable chemical performance, sterilizing time is long-acting.
The technical solution used in the present invention is as follows:
A kind of oil field Compositional type bactericide, comprises the following component according to weight fraction meter:
Dithiocyano-methane 3-7 part, cocotrimonium chloride 5-10 part, methylene blue 0.1-0.3 part, imidazoline biguanides sulphate 1-2 part, root of Chinese clematis 1-2 part, bark of ash 2-5 part, stem of noble dendrobium 0.5-1 part, lemon oil 0.05-0.5 part, polyethylene glycol 2-5 part, water 60-80 part.
Further, preferably described oil field Compositional type bactericide, comprises the following component according to weight fraction meter: dithiocyano-methane 4 parts, cocotrimonium chloride 8 parts, methylene blue 0.2 part, 1.4 parts, imidazoline biguanides sulphate, 1.8 parts, the root of Chinese clematis, bark of ash 3 parts, the stem of noble dendrobium 0.6 part, lemon oil 0.1 part, polyethylene glycol 4 parts, 70 parts, water.
Further, preferably described oil field Compositional type bactericide, comprises the following component according to weight fraction meter: dithiocyano-methane 6 parts, cocotrimonium chloride 9 parts, methylene blue 0.17 part, 1.7 parts, imidazoline biguanides sulphate, 1.5 parts, the root of Chinese clematis, bark of ash 4 parts, the stem of noble dendrobium 0.6 part, lemon oil 0.3 part, polyethylene glycol 3.3 parts, 75 parts, water.
The present invention also provides the preparation method of a kind of oil field Compositional type bactericide, comprises the steps:
Step (1), the root of Chinese clematis, bark of ash and the stem of noble dendrobium are crushed to 100-200 order respectively, then after root of Chinese clematis powder and bark of ash powder being mixed, after being incorporated as root of Chinese clematis powder and bark of ash powder gross mass 3-5 alcohol reflux extraction 0.5-1h doubly, after being incorporated as root of Chinese clematis powder and bark of ash powder gross mass 2-3 ethanol continuation refluxing extraction 2-3h doubly more wherein, filter, obtain filtrate A; Filter residue and dendrobe powder again together with alcohol reflux extract 2-3 time, the quality of each ethanol used is 2-4 times of filter residue and dendrobe powder gross mass, and merging filtrate, obtains liquor B;
Step (2), is concentrated into the filtrate A that step (1) obtains without alcohol taste, then spraying dry, obtains dry thing together with liquor B;
Step (3), dry thing step (2) obtained, lemon oil are added in water together with polyethylene glycol, then after being heated to 40-50 DEG C, add dithiocyano-methane, cocotrimonium chloride, methylene blue and imidazoline biguanides sulphate more wherein, keep temperature, ultrasonic 5-15min, rear centrifugal, get supernatant liquor, be oil field of the present invention Compositional type bactericide.
Further, preferably the centrifugal speed described in step (3) is 3000r/min.
Further, preferably the centrifugation time described in step (3) is 7min.
compared with prior art, its beneficial effect is in the present invention:(1) oil field of the present invention Compositional type bactericide is by reasonably formula and compatibility thereof, makes product of the present invention have good bactericidal action, to reducing bacteria, saprophytic bacteria sterilizing rate can reach more than 98%; (2) preparation method of the present invention is simple, obtained oil field Compositional type bactericide stable chemical performance, and long-acting, safety and environmental protection, avoids the destruction to water table; (3) product of the present invention also has certain antis cale effect, is easy to apply.
Embodiment
Below in conjunction with embodiment, set forth the present invention further.
Raw material used in the present invention, reagent and instrument are common commercially available prod.
Embodiment 1
A kind of oil field Compositional type bactericide, comprises the following component according to weight fraction meter:
Dithiocyano-methane 3 parts, cocotrimonium chloride 5 parts, methylene blue 0.1 part, 1 part, imidazoline biguanides sulphate, 1 part, the root of Chinese clematis, bark of ash 2 parts, the stem of noble dendrobium 0.5 part, lemon oil 0.05 part, polyethylene glycol 2 parts, 60 parts, water.
The present embodiment oil field preparation method of Compositional type bactericide, comprises the steps:
Step (1), the root of Chinese clematis, bark of ash and the stem of noble dendrobium are crushed to 100-200 order respectively, then after root of Chinese clematis powder and bark of ash powder being mixed, after being incorporated as the alcohol reflux extraction 0.5h of root of Chinese clematis powder and bark of ash powder gross mass 3 times, after being incorporated as the ethanol continuation refluxing extraction 2h of root of Chinese clematis powder and bark of ash powder gross mass 2 times more wherein, filter, obtain filtrate A; Filter residue and dendrobe powder again together with alcohol reflux extract 2 times, the quality of each ethanol used is 2 times of filter residue and dendrobe powder gross mass, and merging filtrate, obtains liquor B;
Step (2), is concentrated into the filtrate A that step (1) obtains without alcohol taste, then spraying dry, obtains dry thing together with liquor B;
Step (3), dry thing step (2) obtained, lemon oil are added in water together with polyethylene glycol, then after being heated to 40 DEG C, add dithiocyano-methane, cocotrimonium chloride, methylene blue and imidazoline biguanides sulphate more wherein, keep temperature, ultrasonic 5min, centrifugal afterwards, with the centrifugation 7min of 3000r/min, get supernatant liquor, be oil field of the present invention Compositional type bactericide.
Embodiment 2
A kind of oil field Compositional type bactericide, comprises the following component according to weight fraction meter:
Dithiocyano-methane 7 parts, cocotrimonium chloride 10 parts, methylene blue 0.3 part, 2 parts, imidazoline biguanides sulphate, 2 parts, the root of Chinese clematis, bark of ash 5 parts, the stem of noble dendrobium 1 part, lemon oil 0.5 part, polyethylene glycol 5 parts, 80 parts, water.
The present embodiment oil field preparation method of Compositional type bactericide, comprises the steps:
Step (1), the root of Chinese clematis, bark of ash and the stem of noble dendrobium are crushed to 100-200 order respectively, then after root of Chinese clematis powder and bark of ash powder being mixed, after being incorporated as the alcohol reflux extraction 1h of root of Chinese clematis powder and bark of ash powder gross mass 5 times, after being incorporated as the ethanol continuation refluxing extraction 3h of root of Chinese clematis powder and bark of ash powder gross mass 3 times more wherein, filter, obtain filtrate A; Filter residue and dendrobe powder again together with alcohol reflux extract 3 times, the quality of each ethanol used is 4 times of filter residue and dendrobe powder gross mass, and merging filtrate, obtains liquor B;
Step (2), is concentrated into the filtrate A that step (1) obtains without alcohol taste, then spraying dry, obtains dry thing together with liquor B;
Step (3), dry thing step (2) obtained, lemon oil are added in water together with polyethylene glycol, then after being heated to 50 DEG C, add dithiocyano-methane, cocotrimonium chloride, methylene blue and imidazoline biguanides sulphate more wherein, keep temperature, ultrasonic 15min, centrifugal afterwards, with the centrifugation 7min of 3000r/min, get supernatant liquor, be oil field of the present invention Compositional type bactericide.
Embodiment 3
A kind of oil field Compositional type bactericide, comprises the following component according to weight fraction meter:
Dithiocyano-methane 4 parts, cocotrimonium chloride 8 parts, methylene blue 0.2 part, 1.4 parts, imidazoline biguanides sulphate, 1.8 parts, the root of Chinese clematis, bark of ash 3 parts, the stem of noble dendrobium 0.6 part, lemon oil 0.1 part, polyethylene glycol 4 parts, 70 parts, water.
The present embodiment oil field preparation method of Compositional type bactericide, comprises the steps:
Step (1), the root of Chinese clematis, bark of ash and the stem of noble dendrobium are crushed to 100-200 order respectively, then after root of Chinese clematis powder and bark of ash powder being mixed, after being incorporated as the alcohol reflux extraction 0.8h of root of Chinese clematis powder and bark of ash powder gross mass 4 times, after being incorporated as the ethanol continuation refluxing extraction 2.2h of root of Chinese clematis powder and bark of ash powder gross mass 2.5 times more wherein, filter, obtain filtrate A; Filter residue and dendrobe powder again together with alcohol reflux extract 2 times, the quality of each ethanol used is 3 times of filter residue and dendrobe powder gross mass, and merging filtrate, obtains liquor B;
Step (2), is concentrated into the filtrate A that step (1) obtains without alcohol taste, then spraying dry, obtains dry thing together with liquor B;
Step (3), dry thing step (2) obtained, lemon oil are added in water together with polyethylene glycol, then after being heated to 45 DEG C, add dithiocyano-methane, cocotrimonium chloride, methylene blue and imidazoline biguanides sulphate more wherein, keep temperature, ultrasonic 10min, centrifugal afterwards, with the centrifugation 7min of 3000r/min, get supernatant liquor, be oil field of the present invention Compositional type bactericide.
Embodiment 4
A kind of oil field Compositional type bactericide, comprises the following component according to weight fraction meter:
Dithiocyano-methane 6 parts, cocotrimonium chloride 9 parts, methylene blue 0.17 part, 1.7 parts, imidazoline biguanides sulphate, 1.5 parts, the root of Chinese clematis, bark of ash 4 parts, the stem of noble dendrobium 0.6 part, lemon oil 0.3 part, polyethylene glycol 3.3 parts, 75 parts, water.
The present embodiment oil field preparation method of Compositional type bactericide, comprises the steps:
Step (1), the root of Chinese clematis, bark of ash and the stem of noble dendrobium are crushed to 100-200 order respectively, then after root of Chinese clematis powder and bark of ash powder being mixed, after being incorporated as the alcohol reflux extraction 0.6h of root of Chinese clematis powder and bark of ash powder gross mass 3.5 times, after being incorporated as the ethanol continuation refluxing extraction 2.6h of root of Chinese clematis powder and bark of ash powder gross mass 2.8 times more wherein, filter, obtain filtrate A; Filter residue and dendrobe powder again together with alcohol reflux extract 3 times, the quality of each ethanol used is 3.5 times of filter residue and dendrobe powder gross mass, and merging filtrate, obtains liquor B;
Step (2), is concentrated into the filtrate A that step (1) obtains without alcohol taste, then spraying dry, obtains dry thing together with liquor B;
Step (3), dry thing step (2) obtained, lemon oil are added in water together with polyethylene glycol, then after being heated to 47 DEG C, add dithiocyano-methane, cocotrimonium chloride, methylene blue and imidazoline biguanides sulphate more wherein, keep temperature, ultrasonic 12min, centrifugal afterwards, with the centrifugation 7min of 3000r/min, get supernatant liquor, be oil field of the present invention Compositional type bactericide.
Reference examples 1
Be with the difference of embodiment 4: not containing the stem of noble dendrobium, specific as follows:
A kind of oil field Compositional type bactericide, comprises the following component according to weight fraction meter:
Dithiocyano-methane 6 parts, cocotrimonium chloride 9 parts, methylene blue 0.17 part, 1.7 parts, imidazoline biguanides sulphate, 1.5 parts, the root of Chinese clematis, bark of ash 4 parts, lemon oil 0.3 part, polyethylene glycol 3.3 parts, 75 parts, water.
The present embodiment oil field preparation method of Compositional type bactericide, comprises the steps:
Step (1), the root of Chinese clematis, bark of ash and the stem of noble dendrobium are crushed to 100-200 order respectively, then after root of Chinese clematis powder and bark of ash powder being mixed, after being incorporated as the alcohol reflux extraction 0.6h of root of Chinese clematis powder and bark of ash powder gross mass 3.5 times, after being incorporated as the ethanol continuation refluxing extraction 2.6h of root of Chinese clematis powder and bark of ash powder gross mass 2.8 times more wherein, filter, obtain filtrate A; Filter residue extracts 3 times with alcohol reflux again, and the quality of each ethanol used is 3.5 times of filter residue gross mass, and merging filtrate, obtains liquor B;
Step (2), is concentrated into the filtrate A that step (1) obtains without alcohol taste, then spraying dry, obtains dry thing together with liquor B;
Step (3), dry thing step (2) obtained, lemon oil are added in water together with polyethylene glycol, then after being heated to 47 DEG C, add dithiocyano-methane, cocotrimonium chloride, methylene blue and imidazoline biguanides sulphate more wherein, keep temperature, ultrasonic 12min, centrifugal afterwards, with the centrifugation 7min of 3000r/min, get supernatant liquor, be oil field of the present invention Compositional type bactericide.
Reference examples 2
Be with the difference of embodiment 4: not containing cocotrimonium chloride, specific as follows:
A kind of oil field Compositional type bactericide, comprises the following component according to weight fraction meter:
Dithiocyano-methane 6 parts, methylene blue 0.17 part, 1.7 parts, imidazoline biguanides sulphate, 1.5 parts, the root of Chinese clematis, bark of ash 4 parts, the stem of noble dendrobium 0.6 part, lemon oil 0.3 part, polyethylene glycol 3.3 parts, 75 parts, water.
The present embodiment oil field preparation method of Compositional type bactericide, comprises the steps:
Step (1), the root of Chinese clematis, bark of ash and the stem of noble dendrobium are crushed to 100-200 order respectively, then after root of Chinese clematis powder and bark of ash powder being mixed, after being incorporated as the alcohol reflux extraction 0.6h of root of Chinese clematis powder and bark of ash powder gross mass 3.5 times, after being incorporated as the ethanol continuation refluxing extraction 2.6h of root of Chinese clematis powder and bark of ash powder gross mass 2.8 times more wherein, filter, obtain filtrate A; Filter residue and dendrobe powder again together with alcohol reflux extract 3 times, the quality of each ethanol used is 3.5 times of filter residue and dendrobe powder gross mass, and merging filtrate, obtains liquor B;
Step (2), is concentrated into the filtrate A that step (1) obtains without alcohol taste, then spraying dry, obtains dry thing together with liquor B;
Step (3), dry thing step (2) obtained, lemon oil are added in water together with polyethylene glycol, then after being heated to 47 DEG C, add dithiocyano-methane, methylene blue and imidazoline biguanides sulphate more wherein, keep temperature, ultrasonic 12min, centrifugal afterwards, with the centrifugation 7min of 3000r/min, get supernatant liquor, be oil field of the present invention Compositional type bactericide.
Reference examples 3
Be with the difference of embodiment 4: not containing polyethylene glycol in high-efficiency oilfield reinjection water sterilizing agent, specific as follows:
A kind of oil field Compositional type bactericide, comprises the following component according to weight fraction meter:
Dithiocyano-methane 6 parts, cocotrimonium chloride 9 parts, methylene blue 0.17 part, 1.7 parts, imidazoline biguanides sulphate, 1.5 parts, the root of Chinese clematis, bark of ash 4 parts, the stem of noble dendrobium 0.6 part, lemon oil 0.3 part, 75 parts, water.
The present embodiment oil field preparation method of Compositional type bactericide, comprises the steps:
Step (1), the root of Chinese clematis, bark of ash and the stem of noble dendrobium are crushed to 100-200 order respectively, then after root of Chinese clematis powder and bark of ash powder being mixed, after being incorporated as the alcohol reflux extraction 0.6h of root of Chinese clematis powder and bark of ash powder gross mass 3.5 times, after being incorporated as the ethanol continuation refluxing extraction 2.6h of root of Chinese clematis powder and bark of ash powder gross mass 2.8 times more wherein, filter, obtain filtrate A; Filter residue and dendrobe powder again together with alcohol reflux extract 3 times, the quality of each ethanol used is 3.5 times of filter residue and dendrobe powder gross mass, and merging filtrate, obtains liquor B;
Step (2), is concentrated into the filtrate A that step (1) obtains without alcohol taste, then spraying dry, obtains dry thing together with liquor B;
Step (3), the dry thing that step (2) obtains is added in water together with lemon oil, then after being heated to 47 DEG C, add dithiocyano-methane, cocotrimonium chloride, methylene blue and imidazoline biguanides sulphate more wherein, keep temperature, ultrasonic 12min, centrifugal afterwards, with the centrifugation 7min of 3000r/min, get supernatant liquor, be oil field of the present invention Compositional type bactericide.
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 13mg/l.
Table 1
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Reference examples 1 | Reference examples 2 | Reference examples 3 | |
| To sulfate reducing bacteria (SRB) sterilizing rate, % | 98 | 98.8 | 99 | 99.5 | 72 | 84 | 77 |
| To saprophytic bacteria sterilizing rate, % | 98.6 | 98.4 | 99.3 | 99.6 | 66 | 73 | 78 |
| Descaling rate, % | 93 | 96 | 95 | 98 | 79 | 66 | 82 |
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 Compositional type bactericide, is characterized in that comprising the following component according to weight fraction meter:
Dithiocyano-methane 3-7 part, cocotrimonium chloride 5-10 part, methylene blue 0.1-0.3 part, imidazoline biguanides sulphate 1-2 part, root of Chinese clematis 1-2 part, bark of ash 2-5 part, stem of noble dendrobium 0.5-1 part, lemon oil 0.05-0.5 part, polyethylene glycol 2-5 part, water 60-80 part.
2. oil field according to claim 1 Compositional type bactericide, is characterized in that comprising the following component according to weight fraction meter: dithiocyano-methane 4 parts, cocotrimonium chloride 8 parts, methylene blue 0.2 part, 1.4 parts, imidazoline biguanides sulphate, 1.8 parts, the root of Chinese clematis, bark of ash 3 parts, the stem of noble dendrobium 0.6 part, lemon oil 0.1 part, polyethylene glycol 4 parts, 70 parts, water.
3. oil field according to claim 1 Compositional type bactericide, is characterized in that comprising the following component according to weight fraction meter: dithiocyano-methane 6 parts, cocotrimonium chloride 9 parts, methylene blue 0.17 part, 1.7 parts, imidazoline biguanides sulphate, 1.5 parts, the root of Chinese clematis, bark of ash 4 parts, the stem of noble dendrobium 0.6 part, lemon oil 0.3 part, polyethylene glycol 3.3 parts, 75 parts, water.
4. the preparation method of oil field according to claim 1 Compositional type bactericide, is characterized in that comprising the steps:
Step (1), the root of Chinese clematis, bark of ash and the stem of noble dendrobium are crushed to 100-200 order respectively, then after root of Chinese clematis powder and bark of ash powder being mixed, after being incorporated as root of Chinese clematis powder and bark of ash powder gross mass 3-5 alcohol reflux extraction 0.5-1h doubly, after being incorporated as root of Chinese clematis powder and bark of ash powder gross mass 2-3 ethanol continuation refluxing extraction 2-3h doubly more wherein, filter, obtain filtrate A; Filter residue and dendrobe powder again together with alcohol reflux extract 2-3 time, the quality of each ethanol used is 2-4 times of filter residue and dendrobe powder gross mass, and merging filtrate, obtains liquor B;
Step (2), is concentrated into the filtrate A that step (1) obtains without alcohol taste, then spraying dry, obtains dry thing together with liquor B;
Step (3), dry thing step (2) obtained, lemon oil are added in water together with polyethylene glycol, then after being heated to 40-50 DEG C, add dithiocyano-methane, cocotrimonium chloride, methylene blue and imidazoline biguanides sulphate more wherein, keep temperature, ultrasonic 5-15min, rear centrifugal, get supernatant liquor, be oil field of the present invention Compositional type bactericide.
5. the preparation method of oil field according to claim 4 Compositional type bactericide, is characterized in that the centrifugal speed described in step (3) is 3000r/min.
6. the preparation method of oil field according to claim 5 Compositional type bactericide, is characterized in that the centrifugation time described in step (3) is 7min.
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| CN109819983A (en) * | 2019-02-19 | 2019-05-31 | 无锡威士德气体净化科技有限公司 | A kind of compound disinfectant and its preparation method and application for circulating water sterilizing |
| CN111109265A (en) * | 2018-10-30 | 2020-05-08 | 中国石油天然气股份有限公司 | Corrosion inhibition bactericide, preparation method and application in CO2Corrosion inhibition bactericide for driving and producing well |
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