CN1087779A - Compounded bactericide in use for oil field flood pattern - Google Patents
Compounded bactericide in use for oil field flood pattern Download PDFInfo
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- CN1087779A CN1087779A CN 92113612 CN92113612A CN1087779A CN 1087779 A CN1087779 A CN 1087779A CN 92113612 CN92113612 CN 92113612 CN 92113612 A CN92113612 A CN 92113612A CN 1087779 A CN1087779 A CN 1087779A
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- compound disinfectant
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- oil field
- alkyl
- alkyl guanidine
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Abstract
The composite sterilizing agent that a kind of oil field flood pattern is used includes: (A) alkyl guanidine salt; (B) quaternary ammonium halide; (C) nonionic surface active agent; (D) solution; (E) water, its content (weight %) is followed successively by 15～55,5～30, and 1～15,5～20, all the other are water.When the compound disinfectant of the present invention that adds capacity is in oil field flood pattern, can suppresses growing of sulfate reducing bacteria (SRB) effectively, thereby suppress the corrosion of microorganisms in the sewage effectively.
Description
The secondary oil recovery water filling is to improve the widely used well stimulation of oil well oil recovery factor.But, usually exist the harmful corrosion harmfulness bacterium of many kinds in the oilfield injection water system, wherein modal as sulfate reducing bacteria.The existence of microorganisms such as bacterium can cause that pipeline corrosion and oil reservoir and pipeline stop up, and causes injection rate to descend, and influences recovery ratio.Therefore, microbiologic(al) corrosion is the key that improves the secondary oil recovery rate in the control flood pattern.The conventional means that tackles microorganism is to use bactericide.
Early stage bactericide commonly used has aldehyde, chlorophenols, long chain quaternary and fatty amine salt.At the end of the seventies, five yuan and 6-membered heterocyclic compound are used in beginning gradually, and the most frequently used is quaternary ammonium salt and amine salt.The single medicament of long-term use may cause occurring pesticide resistance to some extent, add concentration and improve gradually, and bactericidal effect constantly descends.The domestic new type bactericides such as CT10-1, WC-85 that occurred of the enforcement period of the seventh five-year plan, but application surface is still extensive not as good as the dodecyl benzyl dimethyl ammonium chloride aqueous solution (hereinafter to be referred as 1227) bactericide.
" U.S.P 3 according to interrelated data, 142,615 " described, alkyl guanidine acetate is used for the water system of pond, cooling tower, pipe, swimming pool and other similar various industry and civilian installation, and the alga microbial growth that suppresses various forms in the open system is very effective.According to existing data " U.S.P 2,921,881 " report, the polynary hydrochlorate of alkyl guanidine to the pathogene of different plants, all has damage capability, thereby reaches minimizing again, even eliminates the effect of the damage by disease and insect of plant.Therefore, the polynary hydrochlorate of alkyl guanidine has become widely used antifungal agent on the agricultural in some country, and this agent is a wetting powder.Once pointing out also in (J.J.Bregman: " Corrosion Inhibitors " version in 1963, P223) commentary in the data early that it was effective suppressing SRB about alkyl guanidine.Wherein alkyl guanidine acetate is effective especially.But do not see oil field flood pattern results of industrial application report.
Simultaneously, the medicament of above-mentioned data report all uses by single alkyl guanidine salt, easily develops immunity to drugs.During the nearly last ten years, external bactericide kind all adopts two or more the same surfactant of bactericide, and solvent complex uses.Compound prescription because the synergistic effect between its component makes medicament have the double action of antisepsis and sterilization, helps preventing that bacterium from developing immunity to drugs.On the other hand, by compound prescription, be the biocide important channel that development has multi-function action.In a kind of compound prescription, except that Main Ingredients and Appearance, also comprise solvent, surfactant, solubilizer, stabilizing agent etc., select and consumption is regulated by these auxiliary agents, make separately that advantage is integrated in one, thereby make medicament reach multi-function action.Like this, more help various medicaments compatibility with the flood pattern use.
In view of above-mentioned prior art all is not used for oil field flood pattern, and use shortcoming such as easily develop immunity to drugs with single alkyl guanidine salt.The objective of the invention is to study a kind of is active ingredient with alkyl guanidine acetate, and the composite sterilizing agent with other surfactant, solvent complex are formed requires to be applicable to middle low permeability pay, salinity 20,000～100,000 mg/L, 10
6～10
8The produced-water reinjection system of the high SRB bacterium amount of individual/ml.Its performance characteristics should have that filter membrane coefficient height, sterilizing power are strong, good water solubility, can with inject other medicament such as the corrosion inhibiter that water uses, scale preventative compatibility and do not produce emulsification and precipitation is stopped up.Meanwhile, this patent has also comprised the method that suppresses growth of microorganism in the flood pattern.
Compound disinfectant provided by the present invention includes (A) active ingredient-alkyl guanidine salt; (B) quaternary ammonium halide; (C) nonionic surface active agent; (D) solvent; (E) water, its content (quality %) is followed successively by 15～55,5～30, and 1～15,5～20, all the other are water.Preferably 20～45,5～25,5～15,8～15, all the other are water.
The structural formula of main active ingredient alkyl guanidine salt among the present invention:
, R is C in the formula
9～16Saturated alkyl; X is a monocarboxylic acid, as acetate, propionic acid, capric acid, stearic acid, benzoic acid and naphthoic acid or mineral acid example hydrochloric acid, nitric acid etc.Monobasic organic acid preferably.
The auxiliary activity composition is a quaternary ammonium halide among the present invention, and cation type surfactant can adopt alkyl-dimethyl benzyl ammonium halide, alkyl trimethyl ammonium halide, two alkyl dimethyl ammonium halides.Alkyl-dimethyl benzyl ammonium halide preferably.
The auxiliary composition of another kind among the present invention is a nonionic surface active agent, can be fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene, aliphatic acid polyethenoxy ether, or the mixture of multiple nonionic surface active agent.Preferably fatty alcohol-polyoxyethylene ether and alkylphenol polyoxyethylene.
Employed organic solvent is monobasic or binary aliphatic alcohol among the present invention, as the low-molecular-weight fatty alcohol.
The preparation method of compound disinfectant provided by the present invention, by composition provided by the invention, at room temperature, distinguish successively with (A) alkyl guanidine salt (B) alkyl-dimethyl benzyl ammonium halide, (C) fatty alcohol-polyoxyethylene ether, (D) fatty alcohol, (E) water adds in the reactor, and under 30～70 ℃, stirring reaction mixes 10～60min.Or in advance with (B) alkyl-dimethyl benzyl ammonium halide, (C) fatty alcohol-polyoxyethylene ether, (D) fatty alcohol, (E) water adds in the reactor, after mixing, adds (A) alkyl guanidine salt again, and under 30～70 ℃, reaction mixes 10～60min.Two kinds of preparation methods all can adopt, but preferably the former.
The working concentration of composite sterilizing agent of the present invention in the oilfield injection water system will depend on the water quality and the adding mode thereof of oilfield injection water.General bactericide can adopt and add continuously or shock treatment intermittently.From economic point of view, adopt intermittently impact type to handle to be method preferably, concentration of sterilant that this method is used should remain on 50～100ppm, and medicament is minimum in system will to continue 4h.In reality is implemented, the number of times of shock treatment 1～2 time weekly, the SRB sterilizing rate can reach more than 90% but it goes out.Usually, handle ratio impact regularly continuously and add the totle drilling cost height.Generally by every day 10～30ppm add dose and handle continuously.
In oil field development system, by the etching problem that bacterium and Institute of Micro-biology produce, the overwhelming majority is the SRB of Desulfovibrio.Their energy sulphate reducing sulphidisations, corrosion iron and steel, its corrosion product FeS easily stops up the stratum, influences petroleum industry production.Therefore must be controlled the SRB in the return water.For compound disinfectant result of use of the present invention is described, following example is proposed.The mass percent that the sample preparation method is pointed out by example 1 is mixed with by aforementioned A-E step.
All sterilization evaluation tests are undertaken by 2.10 each joint among the SY5329-88, adopt oilfield sewage to make bacteria suspension.Experiment be by finite concentration medicament and infected water sample after 40 ± 2 ℃ of following constant temperature contact 1h, cultivated 15 days down for 35 ℃, measure maximum possible survival bacterium amount in the water, to check bactericidal effect.It is asepsis growth that "+" expression has bacteria growing, "-".Each concentration is all made parallel sample with three SRB-HZ bacterium test bottles, gets above-mentioned water sample 1ml and injects test bottle, after cultivating, when three all not long bacterium of parallel testing bottle are "-", is only the minimum effective lethal concentration of medicament.
Example 1: the bactericidal property test of compound disinfectant of the present invention
In the quality percentage combination of bactericide of the present invention, when the active ingredient alkyl guanidine salt is 15～55, with 5～30 alkyl-dimethyl benzyl ammonium halides, 1～15 fatty alcohol-polyoxyethylene ether, the compound disinfectant that 5～20 low-molecular-weights fat alcohol and water is mixed with, can kill different SRB bacterium amounts in the sewage fully, required minimum lethal concentration such as table 1:
By the listed data of table 1, compound disinfectant of the present invention has been described, when the SRB bacterium is measured by 10
5Individual/ml is increased to 10
9Individual/as during ml, all can kill fully, and working concentration to be low.
Example 2:
When the active ingredient-alkyl guanidine salt of compound disinfectant of the present invention is 20%, composite with the cationic surface active agent of variable concentrations, to the influence such as the table 2 of bactericidal effect.
From table 2 presentation of results, the bactericidal effect of composition with the increasing and increase of the concentration of cationic surface active agent, did not get final product in 5% o'clock.
Example 3:
In the compound disinfectant of the present invention, composite with the variable concentrations nonionic surface active agent when the active ingredient alkyl guanidine salt is 20%, to the influence of compound bactericidal effect.
The result finds out by table 3, and the concentration of non-ionic surface active agent in composition is 5～15% o'clock, all can obtain 100% bactericidal effect.For increasing the water-soluble of composition, non-ionic surface active agent consumption 10～15% is for well.
Example 4:
When the corrosion inhibiter that uses in compound disinfectant of the present invention and the oil-field flooding, scale preventative compatibility, to the influence of sterilization and corrosion mitigating effect.
The result draws from table 4, and the single complex bactericide also has certain corrosion mitigating effect; No matter with list-AM-C
41Compatibility still adds HEDP three's compatibility, and its corrosion mitigating effect is all than list-AM-C
41Good, by 52% increasing to 65.9% before the compatibility, improve approximately 13%, there is no local corrosion.Though compound disinfectant does not have anti-scaling action, all do not influence the effect of HEDP behind the compatibility.AM-C
41But HEDP is all not good to the SRB effect of going out, but with compound disinfectant compatibility of the present invention after, do not influence bactericidal property.Therefore, medicament has good compatibility in compound disinfectant of the present invention and the oil field flood pattern, and double corrosion inhibition.
Example 5:
Compound disinfectant provided by the invention through Shengli Oil Field designing institute, with the fresh sewage (sampling is no more than 8h) at three different sewage stations, is estimated killing the SRB effect.Can be known by table 5 no matter compound disinfectant of the present invention and 1227 medicaments are to 102 sewage plants, or Ninghai and Lijin two station sewage, anteroposterior diameter 6 times is same date not, different SRB bacteria containing amounts (10
3～10
8Individual/ml) sterilization comparative trial all draws, and it is 30ppm that compound disinfectant is killed the SRB minimum lethal concentration, and 1227 are 60ppm, is 2 times of the former working concentration.Simultaneously this medicament good stability has been described also, and has had extensive applicability.
Example 6:
Compound disinfectant provided by the invention with domestic and international dissimilar bactericide, under the same conditions, is killed the SRB effect relatively.By table 6-1,6-2 can find out that domestic and international dissimilar medicaments kill 10 fully
7Individual/ml SRB bacterium amount, required minimum lethal concentration differs greatly.A type 300ppm, B, C type are 200ppm, and D, E are 180ppm equally, and F, 1227 all is 120ppm, and G, H and compound disinfectant of the present invention all are 80ppm, I is 70ppm.This shows that compound disinfectant of the present invention has extremely strong sterilizing power to SRB, its bactericidal effect is suitable with external product G, H, and is better than the bactericide that use at present domestic each oil field.And by above-mentioned working concentration as can be known, the required expense of each chemicals treatment one side's sewage is respectively: G, 1.13 yuan/m
3; I, 1.62 yuan/m
3(being converted into RMB) by the rate of exchange in 1: 5; 1227,0.63 yuan/m
3; Compound disinfectant of the present invention only is 0.315 yuan/m
3So the expense of disposing of sewage is minimum.
By above-mentioned each illustration, compound disinfectant provided by the invention has been described, as the oil field flood pattern bactericide, in numerous medicaments that use in the oil field, kill the SRB best results at home, the expense of disposing of sewage is minimum, applicability is wide, is a kind of efficient, low toxicity oil field flood pattern new type bactericide.
Claims (6)
- Patent application of the present invention is as follows:1, a kind of method that suppresses the growth of oil field flood pattern sulfate reducing bacteria comprises, the adding effective dose, by alkyl guanidine salt, quaternary ammonium halide, nonionic surface active agent, solvent and water are formed compound disinfectant of the present invention in oil field flood pattern.
- 2, compound disinfectant according to claim 1 is characterized in that, the structural formula of alkyl guanidine salt is: , X is formic acid, acetate, propionic acid, capric acid, stearic acid, benzoic acid, naphthoic acid etc. and inorganic acid such as HNO in the formula 3, HCl.
- 3, compound disinfectant according to claim 2 is characterized in that alkyl guanidine salt is the alkyl guanidine acetate that contains 9～16 carbon atoms, or their mixture.
- 4, compound disinfectant according to claim 3 is characterized in that the content (quality %) of active ingredient alkyl guanidine acetate in the compound being 15～55% of total composition.
- 5, compound disinfectant according to claim 1 is characterized in that the quaternary ammonium halide in the bactericide is an alkyl-dimethyl benzyl ammonium halide, and its amount accounts for 5～30% of total composition.
- 6, compound disinfectant according to claim 1 is characterized in that nonionic surface active agent is a fatty alcohol-polyoxyethylene ether in the bactericide, alkylphenol polyoxyethylene, and its content accounts for 1～15% of total composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92113612 CN1087779A (en) | 1992-12-07 | 1992-12-07 | Compounded bactericide in use for oil field flood pattern |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92113612 CN1087779A (en) | 1992-12-07 | 1992-12-07 | Compounded bactericide in use for oil field flood pattern |
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| Publication Number | Publication Date |
|---|---|
| CN1087779A true CN1087779A (en) | 1994-06-15 |
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ID=4946513
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| CN 92113612 Pending CN1087779A (en) | 1992-12-07 | 1992-12-07 | Compounded bactericide in use for oil field flood pattern |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101884337A (en) * | 2010-06-14 | 2010-11-17 | 晋中杰龙实业有限公司 | Oilfield reinjection water sterilizing agent |
| CN102337183A (en) * | 2010-07-27 | 2012-02-01 | 上海浦泰化工有限公司 | High-speed paper machine system cleaning agent and concentrated liquid thereof |
| CN102428946A (en) * | 2011-09-28 | 2012-05-02 | 晋中杰龙实业有限公司 | Poly-guanidine SFT bactericide |
| CN104405353A (en) * | 2014-12-05 | 2015-03-11 | 中国石油天然气股份有限公司 | Chemical-flooding sterilization method |
| CN106467765A (en) * | 2015-08-19 | 2017-03-01 | 国科蓝天清洁能源技术有限公司 | Environmental protection and energy saving additive for coal and its production and use |
| CN106479596A (en) * | 2015-09-02 | 2017-03-08 | 国科蓝天清洁能源技术有限公司 | A kind of prevent brown coal spontaneous combustion, slow down high-efficiency cleaning bio-additive and preparation method thereof of calorific value loss |
| CN109052676A (en) * | 2018-09-05 | 2018-12-21 | 石家庄长宏能源科技有限公司 | A kind of oil field reinjection water water treatment agent and preparation method thereof |
-
1992
- 1992-12-07 CN CN 92113612 patent/CN1087779A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101884337A (en) * | 2010-06-14 | 2010-11-17 | 晋中杰龙实业有限公司 | Oilfield reinjection water sterilizing agent |
| CN101884337B (en) * | 2010-06-14 | 2012-12-26 | 晋中杰龙实业有限公司 | Oilfield reinjection water sterilizing agent |
| CN102337183A (en) * | 2010-07-27 | 2012-02-01 | 上海浦泰化工有限公司 | High-speed paper machine system cleaning agent and concentrated liquid thereof |
| CN102337183B (en) * | 2010-07-27 | 2013-06-05 | 上海浦泰化工有限公司 | High-speed paper machine system cleaning agent and concentrated liquid thereof |
| CN102428946A (en) * | 2011-09-28 | 2012-05-02 | 晋中杰龙实业有限公司 | Poly-guanidine SFT bactericide |
| CN102428946B (en) * | 2011-09-28 | 2014-03-05 | 晋中杰龙实业有限公司 | Poly-guanidine SFT bactericide |
| CN104405353A (en) * | 2014-12-05 | 2015-03-11 | 中国石油天然气股份有限公司 | Chemical-flooding sterilization method |
| CN104405353B (en) * | 2014-12-05 | 2017-03-08 | 中国石油天然气股份有限公司 | A kind of chemical flooding method for disinfection |
| CN106467765A (en) * | 2015-08-19 | 2017-03-01 | 国科蓝天清洁能源技术有限公司 | Environmental protection and energy saving additive for coal and its production and use |
| CN106479596A (en) * | 2015-09-02 | 2017-03-08 | 国科蓝天清洁能源技术有限公司 | A kind of prevent brown coal spontaneous combustion, slow down high-efficiency cleaning bio-additive and preparation method thereof of calorific value loss |
| CN109052676A (en) * | 2018-09-05 | 2018-12-21 | 石家庄长宏能源科技有限公司 | A kind of oil field reinjection water water treatment agent and preparation method thereof |
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