CN101875839B - Multifunctional preparation for controlling biological corrosion and blockage of oil field production system - Google Patents
Multifunctional preparation for controlling biological corrosion and blockage of oil field production system Download PDFInfo
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- CN101875839B CN101875839B CN 200910083124 CN200910083124A CN101875839B CN 101875839 B CN101875839 B CN 101875839B CN 200910083124 CN200910083124 CN 200910083124 CN 200910083124 A CN200910083124 A CN 200910083124A CN 101875839 B CN101875839 B CN 101875839B
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- corrosion
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- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 230000007797 corrosion Effects 0.000 title claims abstract description 16
- 238000005260 corrosion Methods 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title abstract description 12
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 claims abstract description 18
- -1 dodecyl dimethyl benzyl Chemical group 0.000 claims abstract description 16
- 239000003112 inhibitor Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 claims abstract description 14
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 9
- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 claims abstract description 9
- 235000010288 sodium nitrite Nutrition 0.000 claims abstract description 9
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 claims abstract description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000011593 sulfur Substances 0.000 claims abstract description 8
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 8
- NMHMDUCCVHOJQI-UHFFFAOYSA-N lithium molybdate Chemical compound [Li+].[Li+].[O-][Mo]([O-])(=O)=O NMHMDUCCVHOJQI-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000004317 sodium nitrate Substances 0.000 claims abstract description 7
- 235000010344 sodium nitrate Nutrition 0.000 claims abstract description 7
- OLQJQHSAWMFDJE-UHFFFAOYSA-N 2-(hydroxymethyl)-2-nitropropane-1,3-diol Chemical compound OCC(CO)(CO)[N+]([O-])=O OLQJQHSAWMFDJE-UHFFFAOYSA-N 0.000 claims abstract description 5
- XMVONEAAOPAGAO-UHFFFAOYSA-N sodium tungstate Chemical compound [Na+].[Na+].[O-][W]([O-])(=O)=O XMVONEAAOPAGAO-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000012466 permeate Substances 0.000 claims description 8
- 230000008030 elimination Effects 0.000 claims description 7
- 238000003379 elimination reaction Methods 0.000 claims description 7
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 6
- 229940001516 sodium nitrate Drugs 0.000 claims description 6
- 125000003277 amino group Chemical group 0.000 claims 1
- KHSLHYAUZSPBIU-UHFFFAOYSA-M benzododecinium bromide Chemical compound [Br-].CCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 KHSLHYAUZSPBIU-UHFFFAOYSA-M 0.000 claims 1
- JBIROUFYLSSYDX-UHFFFAOYSA-M benzododecinium chloride Chemical compound [Cl-].CCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 JBIROUFYLSSYDX-UHFFFAOYSA-M 0.000 claims 1
- WGQKYBSKWIADBV-UHFFFAOYSA-N aminomethyl benzene Natural products NCC1=CC=CC=C1 WGQKYBSKWIADBV-UHFFFAOYSA-N 0.000 abstract description 5
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 abstract description 4
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 3
- 239000003899 bactericide agent Substances 0.000 abstract description 3
- 229940051841 polyoxyethylene ether Drugs 0.000 abstract description 2
- 229920000056 polyoxyethylene ether Polymers 0.000 abstract description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract 1
- 235000015393 sodium molybdate Nutrition 0.000 abstract 1
- 239000011684 sodium molybdate Substances 0.000 abstract 1
- 230000002195 synergetic effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 12
- 241000894006 Bacteria Species 0.000 description 10
- 150000001412 amines Chemical class 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- BJQDLJHOLXWQFM-UHFFFAOYSA-N dimethyl(1-phenyltridecyl)azanium;chloride Chemical compound [Cl-].CCCCCCCCCCCCC([NH+](C)C)C1=CC=CC=C1 BJQDLJHOLXWQFM-UHFFFAOYSA-N 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-L sulfate group Chemical group S(=O)(=O)([O-])[O-] QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 6
- 244000005700 microbiome Species 0.000 description 5
- 239000003814 drug Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910021653 sulphate ion Inorganic materials 0.000 description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 3
- 150000001408 amides Chemical class 0.000 description 3
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000002503 metabolic effect Effects 0.000 description 3
- 230000002906 microbiologic effect Effects 0.000 description 3
- 239000002574 poison Substances 0.000 description 3
- 231100000614 poison Toxicity 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 241000295146 Gallionellaceae Species 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- 238000010923 batch production Methods 0.000 description 2
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 description 2
- 239000013043 chemical agent Substances 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 125000001183 hydrocarbyl group Chemical group 0.000 description 2
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- UUIVKBHZENILKB-UHFFFAOYSA-N 2,2-dibromo-2-cyanoacetamide Chemical compound NC(=O)C(Br)(Br)C#N UUIVKBHZENILKB-UHFFFAOYSA-N 0.000 description 1
- LVDKZNITIUWNER-UHFFFAOYSA-N Bronopol Chemical compound OCC(Br)(CO)[N+]([O-])=O LVDKZNITIUWNER-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 229960003168 bronopol Drugs 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 description 1
- 229910001981 cobalt nitrate Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229940116318 copper carbonate Drugs 0.000 description 1
- GEZOTWYUIKXWOA-UHFFFAOYSA-L copper;carbonate Chemical compound [Cu+2].[O-]C([O-])=O GEZOTWYUIKXWOA-UHFFFAOYSA-L 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- MGIYRDNGCNKGJU-UHFFFAOYSA-N isothiazolinone Chemical compound O=C1C=CSN1 MGIYRDNGCNKGJU-UHFFFAOYSA-N 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- VAOCPAMSLUNLGC-UHFFFAOYSA-N metronidazole Chemical compound CC1=NC=C([N+]([O-])=O)N1CCO VAOCPAMSLUNLGC-UHFFFAOYSA-N 0.000 description 1
- 229960000282 metronidazole Drugs 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 description 1
- 210000003097 mucus Anatomy 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- UOURRHZRLGCVDA-UHFFFAOYSA-D pentazinc;dicarbonate;hexahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Zn+2].[Zn+2].[Zn+2].[Zn+2].[Zn+2].[O-]C([O-])=O.[O-]C([O-])=O UOURRHZRLGCVDA-UHFFFAOYSA-D 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical group 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 description 1
- 230000003442 weekly effect Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to a multifunctional preparation for controlling biological corrosion and blockage of an oil field production system, which comprises the following components in percentage by weight in treated water: and (3) bactericide: glutaraldehyde, acrolein, dodecyl dimethyl benzyl amine chloride or dodecyl dimethyl benzyl amine bromide 20-200 ppm; inhibitor (B): sodium nitrate or sodium nitrite: 10-100 ppm; and/or 10-20ppm of sodium molybdate, sodium tungstate or lithium molybdate; corrosion inhibitor: imidazoline quaternary ammonium salt 10-20 ppm; or/and a sulfur removal agent: 20-50ppm of trihydroxymethyl nitromethane; and/or penetrant: 10-20ppm of alkylphenol polyoxyethylene ether; the components generate synergistic action, so that the concentration of a single component is obviously reduced by 25-90%, and the SRB killing efficiency is over 90%.
Description
Technical field
The present invention relates to a kind of multifunctional preparation of controlling oil field development system biological corrosion and obstruction.
Background technology
Microorganism generally is divided into anaerobion and aerobic microbiological in the oil-field flooding, and anaerobion mainly is sulphate reducing bacteria, anaerobically fermenting bacterium, methanogen and denitrifying bacteria, and aerobic microbiological mainly is hydrocarbon oxidation bacterium, iron bacteria and saprophytic microorganism.To oil field flood pattern and the generation microbiological corrosion obstruction of water filling stratum mainly is sulphate reducing bacteria, iron bacteria and saprophytic microorganism.As long as there is the oxygen saprophytic microorganism of trace just can breed, just there is where bacterial slime to exist saprophytic microorganism, the crude oil in this mucus and the mud, corrosion product, dirt stick together and form the bacterium foundry loam, are attached on pipeline and the equipment.Easily form anaerobic environment under the foundry loam, SRB begins breeding, produces the hydrogen sulfide corrosion metal, and forms Fe with the iron reaction
2S
3, stop up duct and down-hole facility.
The method of at present oil field solution sulfate reducing bacteria corrosion mainly is to adopt chemical means directly to kill SRB.But because the sterilant that adopts is difficult to penetrate microbial film and dirt, can only kill the free SRB in the water, so low and oil field equipment is still corroded to the kill efficiency of SRB.Large for the chemical agent toxicity of directly killing SRB at present, life-time service is contaminate environment not only, also easily produces resistance, the sterilant kind that only continues to increase dosage and more renew.Present technological method is not in time removed the hydrogen sulfide and the Iron sulfuret that form, still can produce Corrosion blockage to stratum and underground equipment.
Summary of the invention
The purpose of this invention is to provide a kind of multifunctional preparation of controlling sulfate reducing bacteria corrosion and obstruction.According to the physical condition of field produces, relate to sterilant, sulfur elimination, permeate agent, inhibiter and metabolic poison and acting synergistically, thereby effectively the hydrogen sulfide that produced by sulphate reducing bacteria of control is to corrosion and the fouling of oil field development system facility.The method is applicable to hydrocarbon-bearing pool reservoir, producing well and water injection well, oil field gathering and transportation pipe network and Produced Liquid ground processing facility.
The present invention controls corrosion and stops up multifunctional preparation and mainly is comprised of sterilant and metabolic poison, is aided with simultaneously permeate agent, sulfur elimination and inhibiter, thereby reaches 25-90% so that these components generation synergies obviously reduce single concentration of component.
The present invention adopts non oxidizing bactericide.Suitable non oxidizing bactericide comprises, for example aldehydes (such as formaldehyde, glutaraldehyde or propenal), amine (such as dodecyl dimethyl benzyl amine bromide, poly-nitrogen heterocyclic quaternary amine, poly-quaternary ammonium salt, diquaternary amine salt or dodecyl dimethyl benzyl ammonia chloride), halogenated compound (such as bronopol and DBNPA), sulfide (such as isothiazolinone and metronidazole).
The metabolic poison that the present invention is suitable for comprises such as nitrate (such as SODIUMNITRATE, Jing Ti/Bao Pian COBALT NITRATE CRYSTALS/FLAKES, nickelous nitrate, cupric nitrate, nitrocalcite etc.), nitrite, molybdate (such as Sodium orthomolybdate and lithium molybdate), tungstate, selenate or anthraquinone.
The sulfur elimination that the present invention is suitable for comprises the metallic compound (such as copper carbonate, zinc subcarbonate, ferric oxide) that mainly contains copper, zinc and iron.
The applicable inhibiter of the present invention has lipid acid amine salt, amine, acid amides, quaternary amine, tetrahydroglyoxaline, pyridine, polymeric amide.
The applicable permeate agent of the present invention mainly is comprised of nonionogenic tenside, can comprise the mixture of fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene or multiple nonionogenic tenside.The weight content of each functional preparation in processing water is as follows:
Sterilant: glutaraldehyde, propenal, dodecyl dimethyl benzyl ammonia chloride or dodecyl dimethyl benzyl amine bromide 20-200ppm;
Inhibitor: SODIUMNITRATE or Sodium Nitrite: 10-100ppm; And/or Sodium orthomolybdate, sodium wolframate or lithium molybdate 10-20ppm;
Inhibiter: tetrahydroglyoxaline quaternary amine 10-20ppm;
Or/and sulfur elimination: trishydroxymethylnitromethane 20-50ppm;
Or/and permeate agent: alkylphenol polyoxyethylene 10-20ppm.
Sterilant of the present invention and the inhibitor working concentration in oil field flood pattern will depend on water quality and the adding mode thereof of oilfield injection water.Generally can adopt and add continuously or batch process.From economic point of view, adopt intermittent type to process to be preferably method.The employed sterilant of the method and inhibitor concentration should remain on 50-100ppm, and medicament is minimum in system will to continue 4-8 hour.In reality was implemented, the batch process cycle was 1 time or two all 1 time weekly, and its efficient of killing SRB reaches more than 90%.Usually continuously process that add total cost than regularly high, generally by every day the 10-30ppm chemical feeding quantity process continuously.
The effect of invention.
(1) eliminated biogenetic H
2S pollutes, thereby has reduced widely H
2S corrodes production system, and the iron sulphide of having eliminated reservoir and equipment stops up.Reduce Infrastructure and the anticorrosion expense of production unit.The preparation of various functions plays synergy, kills more thorough for the sulphate reducing bacteria of absorption.
(2) carry out tertiary oil recovery with possible minimum overseas crude oil cost.Treatment formulations and reservoir salt compatible.Processing will not damage reservoir or production system.
(3) for the production of hydrocarbons environment, can reduce transportation and use has the sterilization chemical agent.
(4) operation on the oil field, the practical and easy operation of method.
(5) kept the value of sweet oil gas.
Embodiment
Embodiment 1
At the test initial stage, the weight content of each functional preparation in processing water is as follows:
1) sterilant: glutaraldehyde or dodecyl dimethyl benzyl ammonia chloride 20-200ppm;
2) inhibitor: SODIUMNITRATE: 10-100ppm; With Sodium orthomolybdate or sodium wolframate 10-20ppm;
3) inhibiter: tetrahydroglyoxaline quaternary amine 10-20ppm
4) sulfur elimination: trishydroxymethylnitromethane 20-50ppm
5) permeate agent: alkylphenol polyoxyethylene 10-20ppm
Be combined in by above-mentioned preparation with various functions and concur when the oil field is brought into use, can
Improve sterilant and inhibitor and kill the effect of SRB, and eliminate existing sulfide and stop up.
Embodiment 2
Different from example 1, propenal has the function of sterilization and sulphide removal, so multifunctional preparation also can adopt following composition.
The weight content of each functional preparation in processing water is as follows:
(1) sterilant: propenal or dodecyl dimethyl benzyl amine bromide 20-200ppm;
(2) inhibitor: Sodium Nitrite: 10-100ppm; With Sodium orthomolybdate or lithium molybdate 10-20ppm;
(3) inhibiter: tetrahydroglyoxaline quaternary amine 10-20ppm
(4) permeate agent: alkylphenol polyoxyethylene 10-20ppm
Embodiment 3
(such as 3 months) after for some time are carried out in test, adjust the content of each functional preparation in good time, can reach production requirement, save cost.The concentration of sterilant can reduce by 50%, and inhibitor is cheap, and its concentration then can double.Density of corrosion inhibitor can reduce 50%.
The weight content of each functional preparation in processing water is as follows:
(1) sterilant: glutaraldehyde or dodecyl dimethyl benzyl ammonia chloride 20-100ppm;
(2) inhibitor: Sodium Nitrite: 50-100ppm; With Sodium orthomolybdate or lithium molybdate 10-20ppm;
(3) inhibiter: tetrahydroglyoxaline quaternary amine 10ppm
Embodiment 4
After half a year is carried out in test, can further reduce the consumption of each functional preparation.
The weight content of each functional preparation in processing water is as follows:
(1) sterilant: glutaraldehyde or dodecyl dimethyl benzyl ammonia chloride 20-50ppm;
(2) inhibitor: SODIUMNITRATE: 10-50ppm; Sodium Nitrite: 50-100ppm; With Sodium orthomolybdate or lithium molybdate 10-20ppm;
(3) inhibiter: tetrahydroglyoxaline quaternary amine 10ppm
The dosing method continous way of above-mentioned example or intermittent type add in re-injection water system or wellhead of water injection well, and add-on is determined according to injection allocation amount or the production fluid amount of on-the-spot re-injection water.
Also can in the annular space of recovery well, add the equipment corrosion in the production control well.The dosing cycle is 7-14 days.Chemical feeding quantity is calculated according to individual well production fluid every day amount.Be 100m such as individual well production fluid amount
3, require that effective concentration is 50ppm in the production fluid, then need sterilant 5kg; SODIUMNITRATE 5kg; Sodium Nitrite 5kg; Keep inhibiter 10ppm concentration, then need the 1kg medicament.Above-mentioned medicament all calculates by 100% effective concentration
Embodiment 5
Add from recovery well, pharmaceutical quantities can suitably strengthen.It is composed as follows:
1) sterilant: glutaraldehyde or dodecyl dimethyl benzyl ammonia chloride 20-200ppm;
2) inhibitor: Sodium Nitrite: 10-100ppm; With Sodium orthomolybdate or sodium wolframate 10-20ppm;
3) inhibiter: tetrahydroglyoxaline quaternary amine 10-20ppm
4) sulfur elimination: trishydroxymethylnitromethane 20-50ppm
5) permeate agent: alkylphenol polyoxyethylene 10-20ppm
Embodiment 6
Inject 3 composition and the consumptions that can suitably adjust medicament after taking turns by embodiment 5.It is composed as follows:
1) sterilant: propenal or dodecyl dimethyl benzyl ammonia chloride 20-200ppm;
2) inhibitor: Sodium Nitrite: 10-100ppm;
3) inhibiter: polymeric amide 10-20ppm
Claims (1)
1. multifunctional preparation of controlling oil field development system biological corrosion and obstruction is characterized in that: the weight content of each functional preparation in processing water is as follows
Sterilant: glutaraldehyde, propenal, dodecyl benzyl dimethyl ammonium chloride or dodecyl dimethyl benzyl ammonium bromide 20-200ppm;
Inhibitor: SODIUMNITRATE or Sodium Nitrite: 10-100ppm; With Sodium orthomolybdate, sodium wolframate or lithium molybdate 10-20ppm;
Inhibiter: tetrahydroglyoxaline quaternary amine 10-20ppm;
Sulfur elimination: trishydroxymethylnitromethane 20-50ppm;
Permeate agent: alkylphenol polyoxyethylene 10-20ppm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910083124 CN101875839B (en) | 2009-04-30 | 2009-04-30 | Multifunctional preparation for controlling biological corrosion and blockage of oil field production system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910083124 CN101875839B (en) | 2009-04-30 | 2009-04-30 | Multifunctional preparation for controlling biological corrosion and blockage of oil field production system |
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| Publication Number | Publication Date |
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| CN101875839A CN101875839A (en) | 2010-11-03 |
| CN101875839B true CN101875839B (en) | 2013-04-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2434877B1 (en) * | 2009-05-26 | 2014-04-16 | Dow Global Technologies LLC | Biocidal compositions comprising glutaraldehyde and 1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantan and methods of use |
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