CN101884337B - Oilfield reinjection water sterilizing agent - Google Patents
Oilfield reinjection water sterilizing agent Download PDFInfo
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- CN101884337B CN101884337B CN 201010202497 CN201010202497A CN101884337B CN 101884337 B CN101884337 B CN 101884337B CN 201010202497 CN201010202497 CN 201010202497 CN 201010202497 A CN201010202497 A CN 201010202497A CN 101884337 B CN101884337 B CN 101884337B
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- guanidine
- reinjection water
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- sterilizing agent
- oilfield reinjection
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Abstract
The invention relates to a sterilizing agent for an oilfield, in particular to an oilfield reinjection water sterilizing agent, which solves problems on the sterilization of oilfield reinjection water. The oilfield reinjection water sterilizing agent consists of the following raw materials in part by weight: 1 to 3 parts of butanediamine, 3 to 5 parts of guanidine sulfate, 1 to 2 parts of polyhexamethylene guanide and 1 to 2 parts of polyolefin-based guanide. The oilfield reinjection water sterilizing agent can serve as the sterilizing agent of the oilfield reinjection water, and has specially good effects on fungi, heterotrophic bacteria, particularly saprophytic bacteria, sulfate reducing bacteria and iron bacteria in the oilfield reinjection water, no pungent smell, nonirritant to the skin of an operator, stable chemical performance, long sterilizing time, incombustibility, no explosion and secure transport and storage.
Description
Technical field
The present invention relates to a kind of oil field and use bactericide, be specially a kind of oilfield reinjection water sterilizing agent.
Background technology
Oil field return water bacterial content is generally higher, generally comprise sulfate reducing bacteria, saprophytic bacteria, iron bacteria etc.Raised growth of bacterium and breeding not only to the reservoir obstruction that causes damage, influence development effectiveness, cause oil recovery factor to descend, and water injection well pressure is increased, and water injecting consumption rises.Simultaneously, the corrosion of aggravation surface line, equipment and pit shaft finally causes the oil field development deleterious, and production cost rises, and overall efficiency descends, and then seriously restricts the sustainable development in oil field.In order to overcome this problem, the mode that we take to add bactericide in the re-injection water is carried out sterilization processing.The bactericide that tradition is used all is compositions such as chloride, phosphorus, formaldehyde, and these materials itself are combustion-supporting, and high poison, have strong impulse property smell, corrosion skin, and meeting combustible can burn, blast, volatile, tool is not long-lasting, and transportation is very inconvenient.Use accidentally, can cause permanent damage, make the descendants thoroughly lose valuable back water source underground water layer, serious stimulation applications personnel's the skin of this material simultaneously, eyes, mucous membrane contacts also carcinogenic easily for a long time.Gathering guanidine also is a kind of bactericide, but to gather the present report that is applied to the oil field of also not seeing of bactericide that guanidine is a raw material.
Summary of the invention
The present invention provides a kind of oilfield reinjection water sterilizing agent for the sterilization problem that solves oil field reinjection water.
The present invention is realized by following technical scheme, and a kind of oilfield reinjection water sterilizing agent is formed fourth diamino 1-3 part, guanidine sulfate 3-5 part, polyhexamethylene guanide 1-2 part, polyolefin guanidine 1-2 part by the raw material of following weight ratio example.
The preparation method is, earlier fourth diamino and guanidine sulfate added in the agitated reactor in proportion, and be to stir 2-8 hour under the 120-200 ℃ of condition in temperature, reaction is cooled to normal temperature after accomplishing, and again with polyhexamethylene guanide, the polyolefin guanidine adding mixes then and gets final product.
This invention can be used as the bactericide of oil field reinjection water; Can make in the oil extraction process; Needn't use antifoaming agent, make the water injection technology program simplification, avoid the destruction of the bactericide of materials such as chloride, phosphorus, formaldehyde underground water layer; And this bactericide is to the fungi in the oil field reinjection water, heterotrophic bacteria, particularly saprophytic bacteria, and sulfate reducing bacteria, iron bacteria have special efficacy.And this bactericide has no irritating odor, to the skin nonirritant of directory operator, and the while stable chemical performance, sterilizing time is long-acting, does not burn, and does not explode the transportation storage safe.
Embodiment
1 one kinds of oilfield reinjection water sterilizing agents of embodiment are formed 2 parts of fourth diaminos, 4 parts of guanidine sulfates, 1.6 parts of polyhexamethylene guanides, 1.4 parts of polyolefin guanidines by the raw material of following weight ratio example.The preparation method is; Earlier add fourth diamino and guanidine sulfate in the agitated reactor in proportion; Be to stir 4 hours under
℃ condition in temperature, reaction is cooled to normal temperature after accomplishing, again with polyhexamethylene guanide; Polyolefin guanidine adds, and mixes then to get final product.
Embodiment 1 described bactericide and traditional fungicide effect are relatively seen table 1
| The present invention | The aldehydes bactericide | The phenols bactericide | The doped quaternary ammonium salt series bactericidal agent | Chloride bactericide | Iodine microbicide | The alcohol series bactericidal agent | |
| Sterilizing rate (10 6/ml) | 99.7％ | 99％ | 75％ | 80％ | 99％ | 81％ | 50％ |
| Mucous membrane irritation | Do not have | In | In | A little less than | By force | In | Do not have |
| Corrosivity | Do not have | In | In | A little less than | By force | In | Do not have |
| Toxicity | Do not have | In | In | In low | Extremely strong | In | A little less than |
| Smell | Do not have | Stimulate | Stimulate | A little less than | Polar stimulation | In | Noisy |
| Coloring | Do not have | Do not have | Jaundice | Do not have | Bleaching | Do not have | |
| Environmental pollution | Do not have | In | In | In | By force | In | Little |
| Long-lasting | Long | In | In | In | Extremely short | In | Short |
Embodiment 1 and single guanidine series bactericidal agent effect comparison table 2
| mg/l | Temperature | TGB (saprophytic bacteria) | Efficient | SRB (sulfate-reduction bacterium) | Efficient | |
| Polyhexamethylene guanide | 20 | 40 | Nx10 4/ml | 80 | Nx10 4/ml | 83 |
| Polyolefin guanidine | 20 | 40 | Nx10 4/ml | 76 | Nx10 4/ml | 78 |
| Guanidine sulfate | 20 | 40 | Nx10 4/ml | 45 | Nx10 4/ml | 57 |
| Guanidine hydrochloride | 20 | 40 | Nx10 4/ml | 40 | Nx10 4/ml | 50 |
| The present invention | 20 | 40 | Nx10 4/ml | 100 | Nx10 4/ml | 100 |
Embodiment 2, and a kind of oilfield reinjection water sterilizing agent is formed 1 part of fourth diamino, 5 parts of guanidine sulfates, 1 part of polyhexamethylene guanide, 2 parts of polyolefin guanidines by the raw material of following weight ratio example.
The preparation method is, earlier fourth diamino and guanidine sulfate added in the agitated reactor in proportion, and be to stir 8 hours under 120 ℃ of conditions in temperature, reaction is cooled to normal temperature after accomplishing, and again with polyhexamethylene guanide, the polyolefin guanidine adding mixes then and gets final product.
Embodiment 2 described bactericide and traditional fungicide effect are relatively seen table 3
| The present invention | The aldehydes bactericide | The phenols bactericide | The doped quaternary ammonium salt series bactericidal agent | Chloride bactericide | Iodine microbicide | The alcohol series bactericidal agent | |
| Sterilizing rate (10 6/ml) | 99.5％ | 99％ | 75％ | 80％ | 99％ | 81％ | 50％ |
| Mucous membrane irritation | Do not have | In | In | A little less than | By force | In | Do not have |
| Corrosivity | Do not have | In | In | A little less than | By force | In | Do not have |
| Toxicity | Do not have | In | In | In low | Extremely strong | In | A little less than |
| Smell | Do not have | Stimulate | Stimulate | A little less than | Polar stimulation | In | In |
| Coloring | Do not have | Do not have | Jaundice | Do not have | Bleaching | Do not have | |
| Environmental pollution | Do not have | In | In | In | By force | In | Little |
| Long-lasting | Long | In | By | In | Extremely short | In | Short |
Embodiment 2 and single guanidine series bactericidal agent effect comparison table 3
| mg/l | Temperature | TGB (saprophytic bacteria) | Efficient | SRB (sulfate-reduction bacterium) | Efficient | |
| Polyhexamethylene guanide | 20 | 35 | Nx10 4/ml | 79 | Nx10 4/ml | 81 |
| Polyolefin guanidine | 20 | 35 | Nx10 4/ml | 78 | Nx10 4/ml | 74 |
| Guanidine sulfate | 20 | 35 | Nx10 4/ml | 47 | Nx10 4/ml | 56 |
| Guanidine hydrochloride | 20 | 35 | Nx10 4/ml | 42 | Nx10 4/ml | 55 |
| The present invention | 20 | 35 | Nx10 4/ml | 100 | Nx10 4/ml | 100 |
Embodiment 3, and a kind of oilfield reinjection water sterilizing agent is formed 3 parts of fourth diaminos, 3 parts of guanidine sulfates, 2 parts of polyhexamethylene guanides, 1 part of polyolefin guanidine by the raw material of following weight ratio example.
The preparation method is, earlier fourth diamino and guanidine sulfate added in the agitated reactor in proportion, and be to stir 2 hours under 200 ℃ of conditions in temperature, reaction is cooled to normal temperature after accomplishing, and again with polyhexamethylene guanide, the polyolefin guanidine adding mixes then and gets final product.
Embodiment 3 described bactericide and traditional fungicide effect are relatively seen table 5
| The present invention | The aldehydes bactericide | The phenols bactericide | The doped quaternary ammonium salt series bactericidal agent | Chloride bactericide | Iodine microbicide | The alcohol series bactericidal agent | |
| Sterilizing rate (10 6/ml) | 99.9％ | 99％ | 75％ | 80％ | 99％ | 81％ | 50％ |
| Mucous membrane irritation | Do not have | In | In | A little less than | By force | In | Do not have |
| Corrosivity | Do not have | In | In | A little less than | By force | In | Do not have |
| Toxicity | Do not have | In | In | In low | Extremely strong | In | A little less than |
| Smell | Do not have | Stimulate | Stimulate | A little less than | Polar stimulation | In | In |
| Coloring | Do not have | Do not have | Jaundice | Do not have | Bleaching | Do not have | |
| Environmental pollution | Do not have | In | In | In | By force | In | Little |
| Long-lasting | Long | In | In | In | Extremely short | In | Short |
Embodiment 3 and single guanidine series bactericidal agent effect comparison table 6
| mg/l | Temperature | TGB (saprophytic bacteria) | Efficient | SRB (sulfate-reduction bacterium) | Efficient % | |
| Polyhexamethylene guanide | 20 | 30 | Nx10 4/ml | 82 | Nx10 4/ml | 81 |
| Polyolefin guanidine | 20 | 30 | Nx10 4/ml | 77 | Nx10 4/ml | 75 |
| Guanidine sulfate | 20 | 30 | Nx10 4/ml | 44 | Nx10 4/ml | 60 |
| Guanidine hydrochloride | 20 | 30 | Nx10 4/ml | 45 | Nx10 4/ml | 52 |
| The present invention | 20 | 30 | Nx10 4/ml | 100 | Nx10 4/ml | 100 |
Claims (2)
1. an oilfield reinjection water sterilizing agent is characterized in that forming butanediamine 1-3 part, guanidine sulfate 3-5 part by the raw material of following weight ratio example; Polyhexamethylene guanide 1-2 part, polyolefin guanidine 1-2 part, the preparation method is; Earlier butanediamine and guanidine sulfate being added in the agitated reactor in proportion, is to stir 2-8 hour under the 120-200 ℃ of condition in temperature, and reaction is cooled to normal temperature after accomplishing; With polyhexamethylene guanide, polyolefin guanidine adds again, mixes then to get final product.
2. oilfield reinjection water sterilizing agent according to claim 1 is characterized in that forming 2 parts of butanediamine, 4 parts of guanidine sulfates, 1.6 parts of polyhexamethylene guanides, 1.4 parts of polyolefin guanidines by the raw material of following weight ratio example.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010202497 CN101884337B (en) | 2010-06-14 | 2010-06-14 | Oilfield reinjection water sterilizing agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010202497 CN101884337B (en) | 2010-06-14 | 2010-06-14 | Oilfield reinjection water sterilizing agent |
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| CN101884337A CN101884337A (en) | 2010-11-17 |
| CN101884337B true CN101884337B (en) | 2012-12-26 |
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| CN 201010202497 Expired - Fee Related CN101884337B (en) | 2010-06-14 | 2010-06-14 | Oilfield reinjection water sterilizing agent |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102428946B (en) * | 2011-09-28 | 2014-03-05 | 晋中杰龙实业有限公司 | Poly-guanidine SFT bactericide |
| CN107751230A (en) * | 2016-08-16 | 2018-03-06 | 中国石油天然气股份有限公司 | A kind of water injection well bactericide and its preparation method and application |
| WO2019070794A1 (en) | 2017-10-03 | 2019-04-11 | Bwa Water Additives Uk Limited | Treatment of circulating water systems including well treatment fluids for oil and gas applications |
| CN108402070A (en) * | 2018-03-29 | 2018-08-17 | 东营利丰化工新材料有限公司 | A kind of oil field reinjection water guanidine radicals sterilization anti-incrustation corrosion inhibitor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1087779A (en) * | 1992-12-07 | 1994-06-15 | 四川石油管理局天然气研究所 | Compounded bactericide in use for oil field flood pattern |
| CN1413464A (en) * | 2002-09-29 | 2003-04-30 | 于锋 | Refrigerater antibiotic deodovization agent with polyolefin guanidine derivative (hydrochloride) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003267807A (en) * | 2002-03-14 | 2003-09-25 | Daiwa Kagaku Kogyo Kk | Water treating agent in pool, cooling tower and water circulation system |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1087779A (en) * | 1992-12-07 | 1994-06-15 | 四川石油管理局天然气研究所 | Compounded bactericide in use for oil field flood pattern |
| CN1413464A (en) * | 2002-09-29 | 2003-04-30 | 于锋 | Refrigerater antibiotic deodovization agent with polyolefin guanidine derivative (hydrochloride) |
Non-Patent Citations (5)
| Title |
|---|
| "水处理用有机胍杀菌剂研究进展";张迪彦等;《化工科技市场》;20090412;第32卷(第4期);第30-31页 * |
| "油田水杀菌剂现状及发展趋势";肖稳发等;《辽宁化工》;19991120;第28卷(第6期);第316-318，321页 * |
| JP特开2003-267807A 2003.09.25 |
| 张迪彦等."水处理用有机胍杀菌剂研究进展".《化工科技市场》.2009,第32卷(第4期),第30-31页. |
| 肖稳发等."油田水杀菌剂现状及发展趋势".《辽宁化工》.1999,第28卷(第6期),第316-318，321页. |
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