RU94046082A - Микрокапсулы, композиция на их основе и способ обработки нефтяных скважин - Google Patents
Микрокапсулы, композиция на их основе и способ обработки нефтяных скважинInfo
- Publication number
- RU94046082A RU94046082A RU94046082/03A RU94046082A RU94046082A RU 94046082 A RU94046082 A RU 94046082A RU 94046082/03 A RU94046082/03 A RU 94046082/03A RU 94046082 A RU94046082 A RU 94046082A RU 94046082 A RU94046082 A RU 94046082A
- Authority
- RU
- Russia
- Prior art keywords
- microcapsules
- group
- mixtures
- microcapsules according
- och
- Prior art date
Links
- 239000003094 microcapsule Substances 0.000 title claims 12
- 239000000203 mixture Substances 0.000 title claims 8
- 239000003129 oil well Substances 0.000 title claims 2
- 239000003153 chemical reaction reagent Substances 0.000 claims 5
- 239000003112 inhibitor Substances 0.000 claims 4
- 230000002401 inhibitory effect Effects 0.000 claims 4
- 239000000126 substance Substances 0.000 claims 4
- 239000002253 acid Substances 0.000 claims 3
- 150000007513 acids Chemical class 0.000 claims 3
- 239000003139 biocide Substances 0.000 claims 3
- 238000005260 corrosion Methods 0.000 claims 3
- 150000003839 salts Chemical class 0.000 claims 3
- 239000011780 sodium chloride Substances 0.000 claims 3
- PIICEJLVQHRZGT-UHFFFAOYSA-N 1,2-ethanediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims 2
- 108010010803 Gelatin Proteins 0.000 claims 2
- 239000004698 Polyethylene (PE) Substances 0.000 claims 2
- 239000002738 chelating agent Substances 0.000 claims 2
- 150000004985 diamines Chemical class 0.000 claims 2
- 229920000159 gelatin Polymers 0.000 claims 2
- 239000008273 gelatin Substances 0.000 claims 2
- 235000019322 gelatine Nutrition 0.000 claims 2
- 235000011852 gelatine desserts Nutrition 0.000 claims 2
- 150000002430 hydrocarbons Chemical class 0.000 claims 2
- 125000000896 monocarboxylic acid group Chemical group 0.000 claims 2
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 claims 2
- -1 polyethylene Polymers 0.000 claims 2
- 229920000573 polyethylene Polymers 0.000 claims 2
- 239000002455 scale inhibitor Substances 0.000 claims 2
- 239000007787 solid Substances 0.000 claims 2
- 239000004094 surface-active agent Substances 0.000 claims 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N Ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims 1
- 239000004215 Carbon black (E152) Substances 0.000 claims 1
- 239000002535 acidifier Substances 0.000 claims 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims 1
- 235000011130 ammonium sulphate Nutrition 0.000 claims 1
- 159000000009 barium salts Chemical class 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000012267 brine Substances 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000004927 clay Substances 0.000 claims 1
- 229910052570 clay Inorganic materials 0.000 claims 1
- 238000005755 formation reaction Methods 0.000 claims 1
- 229910001385 heavy metal Inorganic materials 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- PMZURENOXWZQFD-UHFFFAOYSA-L na2so4 Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims 1
- 238000001556 precipitation Methods 0.000 claims 1
- 229910052938 sodium sulfate Inorganic materials 0.000 claims 1
- 235000011152 sodium sulphate Nutrition 0.000 claims 1
- 239000003381 stabilizer Substances 0.000 claims 1
- 239000006228 supernatant Substances 0.000 claims 1
- 239000000725 suspension Substances 0.000 claims 1
Claims (8)
1. Микрокапсулы, содержащие примерно 5 - 80% химического реагента для применения на нефтяных месторождениях, предпочтительно выбранного из группы, состоящей из ингибитора образования накипи, ингибитора коррозии, биоцидного агента, химических реагентов для ограничения присутствия твердых углеводородов, реагентов, уносящих H2S и/или O2, деэмульгаторов, стабилизаторов глины, поверхностно-активных веществ, подкисляющих агентов и их смесей, причем микрокапсулы имеют стенки, включающие желатин, и стабилизированы посредством включения эффективного количества сильного хелатирующего агента.
2. Микрокапсулы по п. 1, отличающиеся тем, что включают также агент для увеличения массы, предпочтительно соль бария, количество которого составляет примерно 5 - 75%, предпочтительно примерно 10 - 50%.
3. Микрокапсулы по п.1 или 2, отличающиеся тем, что сильный хелатирующий агент присутствует в количестве примерно 2 - 14%, предпочтительно примерно 3 - 12%, более предпочтительно примерно 5 - 10%, и его выбирают из кислот и солей группы, состоящей из 1) веществ, имеющих общую формулу R5-[O-CH(COOH)CH(COOH)]nR5, где каждый R5 выбирают из группы, состоящей из Н и ОН, n = 2 - 3; 2) веществ, имеющих общую формулу
где R выбирают из группы, состоящей из -СH2CH2CH2OH; -CH2CH(OH)CH3; -CH2CH(OH)CH2OH; -CH(CH2OH)2; -CH3; -CH3CH3OCH3;
-CH2CH2CH2OCH3; -C(CH2OH)3;
3) нитрилотриуксусной кислоты: 4) этилендиамин и полиэтилендиамин полиуксусных кислот и 5) их смесей, предпочтительно веществ, имеющих общую формулу
где R выбирают из группы, состоящей из -CH2CH2CH2OH; -CH2CH(OH)CH3; -CH2CH(OH)CH2OH, -CH(CH2OH)2; -CH3; -CH2CH2OCH3;
-CH2CH2CH2OCH3; -C(CH2OH)3
и их смеси; нитрилотриуксусной кислоты; этилендиамин и полиэтилендиаминполиуксусной кислот, и их смеси.
где R выбирают из группы, состоящей из -СH2CH2CH2OH; -CH2CH(OH)CH3; -CH2CH(OH)CH2OH; -CH(CH2OH)2; -CH3; -CH3CH3OCH3;
-CH2CH2CH2OCH3; -C(CH2OH)3;
3) нитрилотриуксусной кислоты: 4) этилендиамин и полиэтилендиамин полиуксусных кислот и 5) их смесей, предпочтительно веществ, имеющих общую формулу
где R выбирают из группы, состоящей из -CH2CH2CH2OH; -CH2CH(OH)CH3; -CH2CH(OH)CH2OH, -CH(CH2OH)2; -CH3; -CH2CH2OCH3;
-CH2CH2CH2OCH3; -C(CH2OH)3
и их смеси; нитрилотриуксусной кислоты; этилендиамин и полиэтилендиаминполиуксусной кислот, и их смеси.
4. Микрокапсулы по любому из предыдущих пунктов, отличающиеся тем, что указанные стенки образованы осаждением желатина по крайней мере одной солью, предпочтительно выбираемой из группы, состоящей из сульфата натрия, сульфата аммония и их смесей, более предпочтительно соль.
5. Микрокапсулы по любому из предыдущих пунктов, отличающиеся тем, что химический реагент для применения на нефтяных месторождениях является либо ингибитором образования накипи, ингибитором коррозии, биоцидным агентом, реагентом для ограничения присутствия отложений твердых углеводородов либо поверхностно-активным веществом.
6. Микрокапсулы по любому из предыдущих пунктов, отличающиеся тем, что являются смесью по крайней мере двух различных микрокапсул, каждая из которых содержит разные химические реагенты для применения на нефтяных месторождениях, предпочтительно включающих по крайней мере два реагента, выбранных из ингибиторов коррозии, ингибиторов образования накипи и биоцидных агентов.
7. Композиция, включающаяся суспензию микрокапсул по любому из пп.1 - 6 в количестве примерно 10 - 80% в супернатантной (всплывающей) жидкости, используемой для образования микрокапсул.
8. Способ обработки нефтяных скважин, отличающийся тем, что применяют эффективное количество микрокапсул по любому из предыдущих пунктов для обеспечения обработки в присутствии высокого содержания соляного раствора и/или тяжелых металлов в течение по крайней мере одного месяца.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/878,940 US5922652A (en) | 1992-05-05 | 1992-05-05 | Microencapsulated oil field chemicals |
US07/878,940 | 1992-05-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
RU94046082A true RU94046082A (ru) | 1998-02-20 |
RU2111049C1 RU2111049C1 (ru) | 1998-05-20 |
Family
ID=25373127
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU94046082A RU2111049C1 (ru) | 1992-05-05 | 1993-05-03 | Микрокапсулы, композиция на их основе и способ обработки нефтяных скважин |
Country Status (18)
Country | Link |
---|---|
US (2) | US5922652A (ru) |
EP (1) | EP0639240B1 (ru) |
JP (1) | JPH07506408A (ru) |
KR (1) | KR950701406A (ru) |
AT (1) | ATE149237T1 (ru) |
AU (1) | AU674850B2 (ru) |
BR (1) | BR9306321A (ru) |
CA (1) | CA2134980C (ru) |
CZ (1) | CZ270394A3 (ru) |
DE (1) | DE69308297D1 (ru) |
FI (1) | FI945196A0 (ru) |
HU (1) | HUT70884A (ru) |
MY (1) | MY108854A (ru) |
NO (1) | NO311736B1 (ru) |
NZ (1) | NZ252502A (ru) |
RU (1) | RU2111049C1 (ru) |
SK (1) | SK132294A3 (ru) |
WO (1) | WO1993022537A1 (ru) |
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- 1992-05-05 US US07/878,940 patent/US5922652A/en not_active Expired - Lifetime
-
1993
- 1993-05-03 RU RU94046082A patent/RU2111049C1/ru active
- 1993-05-03 AT AT93910965T patent/ATE149237T1/de not_active IP Right Cessation
- 1993-05-03 JP JP5519554A patent/JPH07506408A/ja active Pending
- 1993-05-03 WO PCT/US1993/004108 patent/WO1993022537A1/en not_active Application Discontinuation
- 1993-05-03 DE DE69308297T patent/DE69308297D1/de not_active Expired - Lifetime
- 1993-05-03 CA CA002134980A patent/CA2134980C/en not_active Expired - Fee Related
- 1993-05-03 EP EP93910965A patent/EP0639240B1/en not_active Expired - Lifetime
- 1993-05-03 NZ NZ252502A patent/NZ252502A/en unknown
- 1993-05-03 CZ CZ942703A patent/CZ270394A3/cs unknown
- 1993-05-03 SK SK1322-94A patent/SK132294A3/sk unknown
- 1993-05-03 AU AU42274/93A patent/AU674850B2/en not_active Expired
- 1993-05-03 BR BR9306321A patent/BR9306321A/pt not_active IP Right Cessation
- 1993-05-03 KR KR1019940703930A patent/KR950701406A/ko not_active Application Discontinuation
- 1993-05-03 HU HU9403179A patent/HUT70884A/hu unknown
- 1993-05-05 MY MYPI93000837A patent/MY108854A/en unknown
-
1994
- 1994-11-04 NO NO19944206A patent/NO311736B1/no not_active IP Right Cessation
- 1994-11-04 FI FI945196A patent/FI945196A0/fi unknown
-
1999
- 1999-07-13 US US09/360,370 patent/US6326335B1/en not_active Expired - Lifetime
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