CN105696978B - A kind of method for administering the following oil well sulfate reducing bacteria corrosions of submergence 50m - Google Patents
A kind of method for administering the following oil well sulfate reducing bacteria corrosions of submergence 50m Download PDFInfo
- Publication number
- CN105696978B CN105696978B CN201410707588.4A CN201410707588A CN105696978B CN 105696978 B CN105696978 B CN 105696978B CN 201410707588 A CN201410707588 A CN 201410707588A CN 105696978 B CN105696978 B CN 105696978B
- Authority
- CN
- China
- Prior art keywords
- fungicide
- oil well
- added
- administering
- reducing bacteria
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
The invention discloses a kind of methods for administering the following oil well sulfate reducing bacteria corrosions of submergence 50m, belong to petroleum industry technical field of oil production engineering.The technical essential of this method is：The fungicide that n kinds reach sulfate reducing bacteria sterilizing rate in oil well produced liquid more than 95% is filtered out according to SY/T5890 93, the value of n is 4 or 5 or 6；By gained n kind fungicide combination of two, n (n 1)/2 kind of antimicrobial combination is obtained；First n kinds fungicide is all added in oil well；Then from second day after adding whole fungicide, one group in the n (n 1)/2 kind of antimicrobial combination is added into oil well daily, until the n (n 1)/2 kind of antimicrobial combination all adds once without repetition；According to the order of adding of above-mentioned n (n 1)/2 kind of antimicrobial combination, circulating antimicrobial combination.The administering method of the present invention prevents sulfate reducing bacteria to generate drug resistance, and sterilizing rate reaches more than 95%, and oil well pump detection period extends 5 times or more.
Description
Technical field
The present invention relates to a kind of methods for administering the following oil well sulfate reducing bacteria corrosions of submergence 50m, belong to oil work
Industry technical field of oil production engineering.
Background technology
At present, Ji oil field enters high water-cut stage, contains substantial amounts of sulfate reducing bacteria (SRB) sulfate in some oil wells
The presence of reducing bacteria can corrode the equipment such as oil pipe, sucker rod, influence the normal exploitation in oil field.At present oilfield technology personnel use to
The method that single fungicide or biostatic agent killing sulfate reducing bacteria are added in oil well is administered.For example, to oil well
In add dodecyl benzyl dimethyl ammonium chloride (1227 fungicide).But this method can only play preferably at the initial stage of adding
Bactericidal effect.As time increases, sulfate reducing bacteria can generate drug resistance, can morph so that fungicide, biology
Inhibitor is ineffective.Moreover, for the relatively low oil well of submergence, the fungicide added is just taken out for 1-2 days after dosing
Go out, influence bactericidal effect, it is impossible to solve the problems, such as sulfate reducing bacteria corrosion.
Garden great waves etc. be published in the 1st phase in 2009 chemistry with bioengineering on sulfate reducing bacteria microbiologic(al) corrosion and
Its Protective Research one text of progress reviews various mechanism and its life that sulfate reducing bacteria (SRB) causes microbiologic(al) corrosion (MIC)
The corrosiveness and the progress using microbial control sulfate reducing bacteria of object film forming.
Therefore, main problem existing in the prior art is that sulfate reducing bacteria generates drug resistance to fungicide, and sterilizing rate is low.
The content of the invention
The technical problems to be solved by the invention are, provide and a kind of do not generate the high improvement sinking of drug resistance, sterilizing rate
The method of below 50m oil well sulfate reducing bacteria corrosions is spent, is comprised the following steps：
Step (1) filters out n kinds to sulfuric acid in oil well produced liquid according to SY/T5890-93 Performance Valuation of Bactericides methods
Salt reducing bacteria sterilizing rate reaches more than 95% fungicide, and the value of n is 4 or 5 or 6；
Step (2) is calculated according to equation below by the number of two kinds of antimicrobial combinations formed in n kind fungicide：
In formula：Represent the number by two kinds of antimicrobial combinations formed in n kind fungicide；
N kinds fungicide in step (1) is all added in oil well by step (3), adds gross mass as 50kg-60kg,
It adds fungicide and then adds in the clear water of 100kg-150kg；
Step (4) after step (3) is completed second day, adds gained n (n- in step (2) into oil well daily
1)/2 one group in kind of antimicrobial combination, until the n (n-1)/2 kind of antimicrobial combination all adds once without repetition, it is each
Group fungicide adds gross mass as 2kg every time, has added fungicide and then addition 50kg-60kg clear water daily；
Step (5), according to the order of adding of n (n-1)/2 kind of antimicrobial combination in step (4), circulating fungicide group
It closes.
Specifically, in step (3), the quality that each fungicide adds is (50-60)/n kg.
Specifically, in step (4), each fungicide adds 1kg every time.
Specifically, the fungicide, antimicrobial combination and clear water are added in from oil jacket annular space.
Specifically, qualified fungicide has hundreds of, such as symclosene, bromochlorodimethyl hydanton, ten
Dialkyl dimethyl benzyl ammonium chloride, dodecyl dimethyl benzyl ammonium bromide, Metronidazole, metronidazole, bromine chloromethane ethyl
Glycolylurea, NaClO3Deng.
The advantageous effect of technical solution of the present invention is：Since the microbiocidal composition added daily into oil well is different, effectively
It solves the problems, such as that sulfate reducing bacteria generates drug resistance, improves germicidal efficiency, solve sulfate reducing bacteria and oil recovery is set
The problem of standby corrosion, extends pump detection period.
Specific embodiment
To make technical scheme and advantage clearer, embodiment of the present invention is made below further detailed
Description.
In the present invention, a kind of method for administering the following oil well sulfate reducing bacteria corrosions of submergence 50m is provided, it is described
Method comprises the following steps：
Step (1) filters out n kinds to sulfuric acid in oil well produced liquid according to SY/T5890-93 Performance Valuation of Bactericides methods
Salt reducing bacteria sterilizing rate reaches more than 95% fungicide, and the value of n is 4 or 5 or 6；
Step (2) is calculated according to equation below by the number of two kinds of antimicrobial combinations formed in n kind fungicide：
In formula：Represent the number by two kinds of antimicrobial combinations formed in n kind fungicide；
N kinds fungicide in step (1) is all added in oil well by step (3), adds gross mass as 50kg-60kg,
It adds fungicide and then adds in the clear water of 100kg-150kg；
Step (4) after step (3) is completed second day, adds gained n (n- in step (2) into oil well daily
1)/2 one group in kind of antimicrobial combination, until the n (n-1)/2 kind of antimicrobial combination all adds once without repetition, it is each
Group fungicide adds gross mass as 2kg every time, has added fungicide and then addition 50kg-60kg clear water daily；
Step (5), according to the order of adding of n (n-1)/2 kind of antimicrobial combination in step (4), circulating fungicide group
It closes.
The principle of the administering method is：Different fungicide is added into oil well daily, such sulfate reducing bacteria is just
Drug resistance will not be generated so that germicidal efficiency can be maintained at higher level, effectively inhibit the growth of sulfate reducing bacteria.And
And due to can all add fungicide into oil well daily, for the oil well of below submergence 50m, even if fungicide is taken out
Go out ground, effective fungicide is still had in underground, can still inhibit the growth of sulfate reducing bacteria, prevent oil production equipment
It is corroded.
In above-mentioned administering method, each fungicide all with remaining fungicide is combined respectively, is thus increased
Add the species of fungicide, effectively prevent sulfate reducing bacteria from generating drug resistance to a kind of fungicide；Meanwhile by two kinds of fungicide
Bactericidal effect can be enhanced by combining.
In above-mentioned administering method, formally adding the previous day of combined bactericide, first by it is all filter out kill
Microbial inoculum is all added in oil well, this way is drawn according to inventor's years of work experience.Experience have shown that this process
The germicidal efficiency of fungicide can be effectively improved.
In above-mentioned administering method, the order of antimicrobial combination is added there is no particular/special requirement, as long as ensureing daily institute
The antimicrobial combination added does not repeat.For example, antimicrobial combination can be numbered according to natural number order, and according to
Natural number number order is added.
In above-mentioned administering method, after fungicide is added, clear water is also added in, the purpose for the arrangement is that in order to rush
The fungicide being attached on tube wall is washed off, ensures germicidal efficiency.The amount of added clear water is there is no stringent limitation, as long as in this hair
The fungicide being attached on tube wall is rinsed out in the bright scope.
In above-mentioned administering method, qualified fungicide has hundreds of, and those skilled in the art can be according to reality
Border situation selection, such as symclosene, bromochlorodimethyl hydanton, dodecyl benzyl dimethyl ammonium chloride, dodecane
Base dimethylbenzyl ammonium bromide, Metronidazole, metronidazole, bromine chloromethane ethylhydantoin, NaClO3Deng.
Embodiment 1
The present embodiment provides a kind of methods that Shanxi X-7 well sulfate reducing bacteria corrosions are administered with 5 kinds of fungicide.
Shanxi X-7 well operating modes：Pump is 2100 meters deep, 2080 meters of hydrodynamic face, 20 meters of submergence, produces 3.2 cubic metre/day of liquid daily, contains
Water rate 90%, sulfate reducing bacteria quantity is 10 in Produced Liquid free water4Cell/ml (contained cell numbers in every milliliter of free water
Amount).
Step (1) according to SY/T5890-93 Performance Valuation of Bactericides methods, filters out 5 kinds in the X-7 well Produced Liquids of Shanxi
Sulfate reducing bacteria sterilizing rate reaches more than 95% fungicide, is respectively symclosene, bromochlorodimethyl hydanton, ten
Dialkyl dimethyl benzyl ammonium chloride, dodecyl dimethyl benzyl ammonium bromide, Metronidazole.
Step (2), by each in the fungicide of the sterilizing rate more than 95% all respectively with remaining 4 kinds of fungicide two
Two combinations, obtain 10 kinds of antimicrobial combinations (according to formulaIt is calculated, C represents number of combinations, n=in formula
5), it is respectively according to the natural number serial number of 1-10：1st, symclosene and bromochlorodimethyl hydanton；2nd, trichlorine different three
Paracyanogen acid and dodecyl benzyl dimethyl ammonium chloride；3rd, symclosene and dodecyl dimethyl benzyl ammonium bromide；
4th, symclosene and Metronidazole；5th, bromochlorodimethyl hydanton and dodecyl benzyl dimethyl ammonium chloride；6th, bromine
Chlorodimethyl glycolylurea and dodecyl dimethyl benzyl ammonium bromide；7th, bromochlorodimethyl hydanton and Metronidazole；8th, dodecane
Base dimethyl benzyl ammonium chloride and dodecyl dimethyl benzyl ammonium bromide；9th, dodecyl benzyl dimethyl ammonium chloride and first nitre
Hydroxyl second azoles；10th, dodecyl dimethyl benzyl ammonium bromide and Metronidazole.
The 5 kinds of fungicide filtered out in the step (1) are all added to JinX-7Jing by step (3) from oil jacket annular space
In, total amount is added as 60kg, i.e., each fungicide dosage is 12kg, has added in fungicide and then has added from oil jacket annular space
Enter 120kg clear water, to rinse out the fungicide being attached on tube wall.
Step (4), after step (3) is completed second day, according to the order of number 1-10, daily into Shanxi X-7 wells
One group of fungicide is added, until all 10 antimicrobial combinations all add once；Adding fungicide and then to Shanxi daily
50kg clear water is added in X-7 wells.
Step (5), according to 1-10 number orders, circulating antimicrobial combination.
After persistently adding fungicide 724 days, sterilizing rate remains at 95%, and oil production equipment is not corroded, pump detection period
Reach 724 days.
Comparative example 1
This comparative example provides a kind of method that Shanxi X-7 well sulfate reducing bacteria corrosions are administered using the prior art.
A kind of fungicide is added to JinX-7Jing --- dodecyl benzyl dimethyl ammonium chloride, the 2nd day scene takes after dosing
Sample, sulfate reducing bacteria quantity is 10 in Produced Liquid free water3-104Cell/ml, oil production equipment corrosion are not under control, examine
It is only 80 days to pump the cycle, and compared with the method applied in the present invention, pump detection period is obviously shortened.
The above is for only for ease of it will be understood by those skilled in the art that technical scheme, not limiting
The present invention.Within the spirit and principles of the invention, any modifications, equivalent replacements and improvements are made should be included in this
Within the protection domain of invention.
Claims (5)
1. a kind of method for administering oil well sulfate reducing bacteria corrosion within submergence 50m, the described method comprises the following steps：
Step (1) filters out n kinds to sulfate in oil well produced liquid also according to SY/T5890-93 Performance Valuation of Bactericides methods
Opportunistic pathogen sterilizing rate reaches more than 95% fungicide, and the value of n is 4 or 5 or 6；
Step (2) is calculated according to equation below by the number of two kinds of antimicrobial combinations formed in n kind fungicide：
In formula：Represent the number by two kinds of antimicrobial combinations formed in n kind fungicide；
N kinds fungicide in step (1) is all added in oil well by step (3), is added gross mass as 50kg-60kg, is added
Fungicide and then the clear water for adding in 100kg-150kg；
Step (4) after step (3) is completed second day, adds gained n (n-1)/2 kind in step (2) into oil well daily
One group in antimicrobial combination, until the n (n-1)/2 kind of antimicrobial combination all adds once without repetition, each group of sterilization
Agent adds gross mass as 2kg every time, has added fungicide and then addition 50kg-60kg clear water daily；
Step (5), according to the order of adding of n (n-1)/2 kind of antimicrobial combination in step (4), circulating antimicrobial combination.
2. administering method according to claim 1, which is characterized in that in step (3), matter that each fungicide adds
It measures as (50 ~ 60)/n kg.
3. administering method according to claim 1, which is characterized in that in step (4), each fungicide adds every time
1kg。
4. according to claim 1-3 any one of them administering methods, which is characterized in that the fungicide, antimicrobial combination with
And clear water is added in from oil jacket annular space.
5. administering method according to claim 1, which is characterized in that fungicide used is selected from symclosene, bromine
Chlorodimethyl glycolylurea, dodecyl benzyl dimethyl ammonium chloride, dodecyl dimethyl benzyl ammonium bromide, Metronidazole, first
Nitre azoles, bromine chloromethane ethylhydantoin, NaClO3。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410707588.4A CN105696978B (en) | 2014-11-28 | 2014-11-28 | A kind of method for administering the following oil well sulfate reducing bacteria corrosions of submergence 50m |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410707588.4A CN105696978B (en) | 2014-11-28 | 2014-11-28 | A kind of method for administering the following oil well sulfate reducing bacteria corrosions of submergence 50m |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105696978A CN105696978A (en) | 2016-06-22 |
| CN105696978B true CN105696978B (en) | 2018-06-01 |
Family
ID=56230431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410707588.4A Active CN105696978B (en) | 2014-11-28 | 2014-11-28 | A kind of method for administering the following oil well sulfate reducing bacteria corrosions of submergence 50m |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105696978B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1583177A (en) * | 2004-06-16 | 2005-02-23 | 长庆石油勘探局工程技术研究院 | Bactericidal method for control of corrosion by growth of sulfate reducing bacteria |
| RU2263201C1 (en) * | 2004-10-05 | 2005-10-27 | Открытое акционерное общество "Татнефть" им. В.Д. Шашина | Method to prevent corrosion caused by sulfate-reducing bacteria |
| CN101336642A (en) * | 2008-08-07 | 2009-01-07 | 中国石油天然气股份有限公司 | Inhibitor for preventing sulfate reducing bacteria corrosion |
| CN103113866A (en) * | 2013-02-06 | 2013-05-22 | 中国石油化工股份有限公司 | Novel biological inhibitor for inhibiting activity of sulfate reducing bacteria in oil well and use method thereof |
| CN103901024A (en) * | 2012-12-27 | 2014-07-02 | 中国石油天然气股份有限公司 | Evaluation method for inhibitory effects on sulfate reducing bacteria (SRB) |
-
2014
- 2014-11-28 CN CN201410707588.4A patent/CN105696978B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1583177A (en) * | 2004-06-16 | 2005-02-23 | 长庆石油勘探局工程技术研究院 | Bactericidal method for control of corrosion by growth of sulfate reducing bacteria |
| RU2263201C1 (en) * | 2004-10-05 | 2005-10-27 | Открытое акционерное общество "Татнефть" им. В.Д. Шашина | Method to prevent corrosion caused by sulfate-reducing bacteria |
| CN101336642A (en) * | 2008-08-07 | 2009-01-07 | 中国石油天然气股份有限公司 | Inhibitor for preventing sulfate reducing bacteria corrosion |
| CN103901024A (en) * | 2012-12-27 | 2014-07-02 | 中国石油天然气股份有限公司 | Evaluation method for inhibitory effects on sulfate reducing bacteria (SRB) |
| CN103113866A (en) * | 2013-02-06 | 2013-05-22 | 中国石油化工股份有限公司 | Novel biological inhibitor for inhibiting activity of sulfate reducing bacteria in oil well and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105696978A (en) | 2016-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107325803B (en) | A kind of nitrogen injection well is with can inhibit annular protective liquid of oxygen corrosion and preparation method thereof | |
| CN105555716B (en) | The antibacterial algicidal method and antibacterial algicide of cooling water system | |
| CN107418549A (en) | A kind of compound acidification corrosion inhibitor of 120 ~ 140 DEG C of heatproof | |
| CN107760290A (en) | For the disinfecting corrosion inhibitor and its preparation method of oil field water treatment system and application | |
| CA2789153C (en) | Process for preventing or mitigating biofouling | |
| CN102061155B (en) | Annular protective liquid for water injection well and application thereof | |
| CN104211145A (en) | Composite oil field wastewater bactericide and preparation method thereof | |
| CN105104420B (en) | A kind of Compositional type oilfield reinjection water sterilizing agent and preparation method thereof | |
| CN105696978B (en) | A kind of method for administering the following oil well sulfate reducing bacteria corrosions of submergence 50m | |
| JP2017186294A (en) | Microorganism inhibitor composition and microorganism inhibition method | |
| Enzien et al. | New biocide formulations for oil and gas injection waters with improved environmental footprint | |
| CN103113866B (en) | Novel biological inhibitor for inhibiting activity of sulfate reducing bacteria in oil well and use method thereof | |
| CN107593703B (en) | Bactericide for oil field water treatment system and preparation method and application thereof | |
| CN105238378A (en) | High-acidity gas well oil-based annulus protection fluid | |
| CN106479728A (en) | Degerming mildew removing agent of a kind of body of wall and preparation method thereof | |
| De Paula et al. | Development of peracetic acid (PAA) as an environmentally safe biocide for water treatment during hydraulic fracturing applications | |
| US10011762B2 (en) | Biocidal composition | |
| CN104402126A (en) | Special bactericide corrosion inhibitor for oil field | |
| US7811971B2 (en) | Combination algae killer and surface stain remover | |
| CN104798803A (en) | Marine organism biocide and preparation method thereof | |
| CN104397018A (en) | Isothiazolinone water treatment bactericide and preparation method thereof | |
| CN103168775A (en) | Gas field reinjection water bactericide and composition thereof | |
| Al-Taq et al. | Performance of Synthesized Amine-based Corrosion Inhibitors in Concentrated HCl Acid Solutions: Effect of Intensifier | |
| CN210217689U (en) | Solid wax-proof antiscale and anticorrosion device for anode layer feeding of oil well | |
| IT201900017051A1 (en) | CORROSION INHIBITORS FOR ACID FLUIDS FOR UNDERGROUND TREATMENTS |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |