EA018054B1 - Способ увеличения адсорбции ингибитора на участке ствола скважины - Google Patents
Способ увеличения адсорбции ингибитора на участке ствола скважины Download PDFInfo
- Publication number
- EA018054B1 EA018054B1 EA201070473A EA201070473A EA018054B1 EA 018054 B1 EA018054 B1 EA 018054B1 EA 201070473 A EA201070473 A EA 201070473A EA 201070473 A EA201070473 A EA 201070473A EA 018054 B1 EA018054 B1 EA 018054B1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- solution
- scale inhibitor
- salt
- ppm
- adsorption
- Prior art date
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- 238000001179 sorption measurement Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 21
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- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 11
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- XGEGHDBEHXKFPX-UHFFFAOYSA-N N-methylthiourea Natural products CNC(N)=O XGEGHDBEHXKFPX-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000004153 Potassium bromate Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 125000001539 acetonyl group Chemical group [H]C([H])([H])C(=O)C([H])([H])* 0.000 description 1
- 150000008043 acidic salts Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000008051 alkyl sulfates Chemical class 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229940072107 ascorbate Drugs 0.000 description 1
- 235000010323 ascorbic acid Nutrition 0.000 description 1
- 239000011668 ascorbic acid Substances 0.000 description 1
- 125000002648 azanetriyl group Chemical group *N(*)* 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229940050390 benzoate Drugs 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
- SXDBWCPKPHAZSM-UHFFFAOYSA-M bromate Chemical class [O-]Br(=O)=O SXDBWCPKPHAZSM-UHFFFAOYSA-M 0.000 description 1
- 150000001661 cadmium Chemical class 0.000 description 1
- LVEULQCPJDDSLD-UHFFFAOYSA-L cadmium fluoride Chemical compound F[Cd]F LVEULQCPJDDSLD-UHFFFAOYSA-L 0.000 description 1
- 229940075417 cadmium iodide Drugs 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- KRALOLGXHLZTCW-UHFFFAOYSA-L calcium;2-acetyloxybenzoate Chemical group [Ca+2].CC(=O)OC1=CC=CC=C1C([O-])=O.CC(=O)OC1=CC=CC=C1C([O-])=O KRALOLGXHLZTCW-UHFFFAOYSA-L 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000003983 crown ethers Chemical class 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
- WQABCVAJNWAXTE-UHFFFAOYSA-N dimercaprol Chemical compound OCC(S)CS WQABCVAJNWAXTE-UHFFFAOYSA-N 0.000 description 1
- 229960001051 dimercaprol Drugs 0.000 description 1
- XPPKVPWEQAFLFU-UHFFFAOYSA-N diphosphoric acid Chemical compound OP(O)(=O)OP(O)(O)=O XPPKVPWEQAFLFU-UHFFFAOYSA-N 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical compound [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- DUYCTCQXNHFCSJ-UHFFFAOYSA-N dtpmp Chemical compound OP(=O)(O)CN(CP(O)(O)=O)CCN(CP(O)(=O)O)CCN(CP(O)(O)=O)CP(O)(O)=O DUYCTCQXNHFCSJ-UHFFFAOYSA-N 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 150000003948 formamides Chemical class 0.000 description 1
- 229940044170 formate Drugs 0.000 description 1
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 125000002541 furyl group Chemical group 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 125000002795 guanidino group Chemical group C(N)(=N)N* 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 239000010442 halite Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 125000001183 hydrocarbyl group Chemical group 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- ICIWUVCWSCSTAQ-UHFFFAOYSA-N iodic acid Chemical class OI(=O)=O ICIWUVCWSCSTAQ-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- VVOUQFXJSCDIAO-UHFFFAOYSA-L lead(2+);dinitrite Chemical compound [Pb+2].[O-]N=O.[O-]N=O VVOUQFXJSCDIAO-UHFFFAOYSA-L 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 235000011147 magnesium chloride Nutrition 0.000 description 1
- 229940049920 malate Drugs 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 229910001960 metal nitrate Inorganic materials 0.000 description 1
- XGEGHDBEHXKFPX-NJFSPNSNSA-N methylurea Chemical compound [14CH3]NC(N)=O XGEGHDBEHXKFPX-NJFSPNSNSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004660 morphological change Effects 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 125000002801 octanoyl group Chemical group C(CCCCCCC)(=O)* 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 229960003330 pentetic acid Drugs 0.000 description 1
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 150000003003 phosphines Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- RKCAIXNGYQCCAL-UHFFFAOYSA-N porphin Chemical compound N1C(C=C2N=C(C=C3NC(=C4)C=C3)C=C2)=CC=C1C=C1C=CC4=N1 RKCAIXNGYQCCAL-UHFFFAOYSA-N 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 229940094037 potassium bromate Drugs 0.000 description 1
- 235000019396 potassium bromate Nutrition 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 239000000276 potassium ferrocyanide Substances 0.000 description 1
- JLKDVMWYMMLWTI-UHFFFAOYSA-M potassium iodate Chemical compound [K+].[O-]I(=O)=O JLKDVMWYMMLWTI-UHFFFAOYSA-M 0.000 description 1
- 239000001230 potassium iodate Substances 0.000 description 1
- 235000006666 potassium iodate Nutrition 0.000 description 1
- 229940093930 potassium iodate Drugs 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229940005657 pyrophosphoric acid Drugs 0.000 description 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 description 1
- 229960001860 salicylate Drugs 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- MWNQXXOSWHCCOZ-UHFFFAOYSA-L sodium;oxido carbonate Chemical compound [Na+].[O-]OC([O-])=O MWNQXXOSWHCCOZ-UHFFFAOYSA-L 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 125000000475 sulfinyl group Chemical group [*:2]S([*:1])=O 0.000 description 1
- 229940095064 tartrate Drugs 0.000 description 1
- 150000000000 tetracarboxylic acids Chemical class 0.000 description 1
- XOGGUFAVLNCTRS-UHFFFAOYSA-N tetrapotassium;iron(2+);hexacyanide Chemical compound [K+].[K+].[K+].[K+].[Fe+2].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] XOGGUFAVLNCTRS-UHFFFAOYSA-N 0.000 description 1
- 125000005300 thiocarboxy group Chemical group C(=S)(O)* 0.000 description 1
- 125000000101 thioether group Chemical group 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-L thiosulfate(2-) Chemical compound [O-]S([S-])(=O)=O DHCDFWKWKRSZHF-UHFFFAOYSA-L 0.000 description 1
- 125000005425 toluyl group Chemical group 0.000 description 1
- 125000003258 trimethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/54—Compositions for in situ inhibition of corrosion in boreholes or wells
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/52—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
- C09K8/528—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning inorganic depositions, e.g. sulfates or carbonates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
Landscapes
- Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Saccharide Compounds (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US98004007P | 2007-10-15 | 2007-10-15 | |
| US1229207P | 2007-12-07 | 2007-12-07 | |
| PCT/IB2008/002728 WO2009050561A2 (en) | 2007-10-15 | 2008-10-15 | Method of enhancing adsorption of an inhibitor onto a wellbore region |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EA201070473A1 EA201070473A1 (ru) | 2010-10-29 |
| EA018054B1 true EA018054B1 (ru) | 2013-05-30 |
Family
ID=40470615
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| Application Number | Title | Priority Date | Filing Date |
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| EA201070473A EA018054B1 (ru) | 2007-10-15 | 2008-10-15 | Способ увеличения адсорбции ингибитора на участке ствола скважины |
| EA201070474A EA024146B1 (ru) | 2007-10-15 | 2008-10-15 | Способ ингибирования осаждения солей из водных потоков |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EA201070474A EA024146B1 (ru) | 2007-10-15 | 2008-10-15 | Способ ингибирования осаждения солей из водных потоков |
Country Status (9)
| Country | Link |
|---|---|
| US (2) | US8381811B2 (https=) |
| EP (3) | EP2597126B1 (https=) |
| AT (1) | ATE544829T1 (https=) |
| BR (2) | BRPI0818074A8 (https=) |
| CA (2) | CA2702693C (https=) |
| EA (2) | EA018054B1 (https=) |
| EG (1) | EG26115A (https=) |
| MX (2) | MX2010004066A (https=) |
| WO (2) | WO2009050562A2 (https=) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201210034D0 (en) | 2012-06-07 | 2012-07-18 | Univ Leeds | A method of inhibiting scale in a geological formation |
| GB2535080B (en) | 2013-12-13 | 2021-01-06 | Halliburton Energy Services Inc | Methods and systems for acidizing subterranean formations |
| US10005950B2 (en) | 2013-12-13 | 2018-06-26 | Halliburton Energy Services, Inc. | Methods and systems for removing geothermal scale |
| US20150175880A1 (en) * | 2013-12-20 | 2015-06-25 | Schlumberger Technology Corporation | Method of viscosity reduction in the presence of fully coordinated compounds |
| US20150368544A1 (en) * | 2014-06-24 | 2015-12-24 | Schlumberger Norge As | Methods of inhibiting salt precipitation and corrosion |
| US10475626B2 (en) * | 2015-03-17 | 2019-11-12 | Applied Materials, Inc. | Ion-ion plasma atomic layer etch process and reactor |
| US10081758B2 (en) | 2015-12-04 | 2018-09-25 | Ecolab Usa Inc. | Controlled release solid scale inhibitors |
| CA3024478A1 (en) | 2016-05-16 | 2017-11-23 | Ecolab Usa Inc. | Slow-release scale inhibiting compositions |
| EP3299436A1 (en) | 2016-09-26 | 2018-03-28 | Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO | Underground halite mitigation |
| AR110540A1 (es) | 2016-12-23 | 2019-04-10 | Ecolab Usa Inc | Inhibidores de incrustaciones sólidas de liberación controlada |
| CN110643333B (zh) * | 2019-08-30 | 2021-08-06 | 成都理工大学 | 一种油井中防止氯化钠结晶的盐结晶抑制剂及其制备方法 |
| US11447705B2 (en) | 2019-09-30 | 2022-09-20 | Halliburton Energy Services, Inc. | Means and methods for managing ammonia, amine and normal salt fouling in oil production and refining |
| DE102021114229A1 (de) | 2021-06-01 | 2022-12-01 | EnBW Energie Baden-Württemberg AG | Verfahren zum Freimachen einer durch ein Adsorbens zugesetzten Tiefbohrung |
| CN114316136B (zh) * | 2022-01-13 | 2023-01-31 | 西华师范大学 | 一种氢键增强型水合物抑制剂及其制备方法 |
| US11905459B2 (en) | 2022-05-26 | 2024-02-20 | Baker Hughes Oilfield Operations Llc | Method to mitigate halite scale |
| US20250346801A1 (en) * | 2024-05-10 | 2025-11-13 | Cameron International Corporation | Method for Removing Metal Contaminants |
Citations (4)
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|---|---|---|---|---|
| US3654993A (en) * | 1970-04-06 | 1972-04-11 | Atlantic Richfield Co | Method for inhibiting corrosion in a well |
| EP0459171A1 (en) * | 1990-05-31 | 1991-12-04 | Mobil Oil Corporation | Method for inhibition of scale and scale inhibiting composition |
| US5211237A (en) * | 1992-01-31 | 1993-05-18 | Shell Oil Company | Precipitation of scale inhibitors |
| EP0781729A1 (en) * | 1995-12-28 | 1997-07-02 | Petroleo Brasileiro S.A. - PETROBAS | Process for the controlled fixing of scale inhibitor in subterranean formations |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3341453A (en) * | 1964-06-10 | 1967-09-12 | Calgon Corp | Inhibiting salt deposition |
| US3367416A (en) * | 1965-03-31 | 1968-02-06 | Calgon Corp | Inhibiting salt deposition |
| US3481400A (en) * | 1967-04-03 | 1969-12-02 | Exxon Production Research Co | Treatment of solids plugged wells with reversibly adsorbable inhibitor |
| US3378489A (en) * | 1967-05-09 | 1968-04-16 | Halliburton Co | Process for treating a sodium chloride brine to inhibit precipitation of sodium chloride from said brine |
| US3827977A (en) * | 1969-11-25 | 1974-08-06 | Atlantic Richfield Co | Composition for inhibiting scale formation in oil well brines |
| US4200154A (en) * | 1976-12-22 | 1980-04-29 | Texaco Inc. | Composition and method for stimulating well production |
| US4357248A (en) * | 1980-05-16 | 1982-11-02 | Shell Oil Company | Treating wells with self-precipitating scale inhibitor |
| US4284140A (en) * | 1980-06-30 | 1981-08-18 | Marathon Oil Co. | Use of potassium hydroxide solutions in a well bore |
| US4485874A (en) * | 1983-10-14 | 1984-12-04 | Atlantic Richfield Company | Method for scale removal and scale inhibition in a well penetrating a subterranean formation |
| US4708805A (en) * | 1986-11-24 | 1987-11-24 | Muhala Thomas F D | Barium sulfate removal and anti-deposition compositions and process of use therefor |
| US4894169A (en) * | 1988-04-04 | 1990-01-16 | Merck & Co., Inc. | Method of inhibiting iron salt deposition in aqueous systems using urea salts |
| US5399270A (en) * | 1990-05-31 | 1995-03-21 | Mobil Oil Corporation | Inhibition of scale formation from oil well brines utilizing a slow release composition |
| US5141655A (en) * | 1990-05-31 | 1992-08-25 | Mobil Oil Corporation | Inhibition of scale formation from oil well brines utilizing a slow release |
| ATE129989T1 (de) * | 1990-10-04 | 1995-11-15 | Britoil Plc | Verfahren zur bekämpfung der kesselsteinbildung. |
| US5409614A (en) * | 1991-06-19 | 1995-04-25 | Union Oil Company Of California | Control of scale deposition in geothermal operations |
| US5346010A (en) * | 1993-03-31 | 1994-09-13 | Shell Oil Company | Precipitation of scale inhibitors in subterranean formations |
| US5604185A (en) * | 1995-03-27 | 1997-02-18 | Mobil Oil Corporation | Inhibition of scale from oil well brines utilizing a slow release composition and a preflush and/or after flush |
| US5665242A (en) * | 1995-08-25 | 1997-09-09 | Union Oil Company Of California | Inhibition of silica precipitation |
| US5874386A (en) * | 1998-02-13 | 1999-02-23 | Atlantic Richfield Company | Method for cleaning drilling fluid solids from a wellbore using a surfactant composition |
| GB0217736D0 (en) * | 2002-07-31 | 2002-09-11 | Champion Servo | Method of controlling scale formation |
| EP1620192A1 (en) * | 2003-04-29 | 2006-02-01 | Akzo Nobel N.V. | Processes involving the use of antisolvent crystallisation |
| US7475730B2 (en) * | 2007-03-06 | 2009-01-13 | Bj Services Company | Method of treating well with foamed composition |
-
2008
- 2008-10-15 EP EP12197574.2A patent/EP2597126B1/en not_active Not-in-force
- 2008-10-15 WO PCT/IB2008/002729 patent/WO2009050562A2/en not_active Ceased
- 2008-10-15 CA CA2702693A patent/CA2702693C/en not_active Expired - Fee Related
- 2008-10-15 AT AT08840483T patent/ATE544829T1/de active
- 2008-10-15 BR BRPI0818074A patent/BRPI0818074A8/pt not_active IP Right Cessation
- 2008-10-15 MX MX2010004066A patent/MX2010004066A/es active IP Right Grant
- 2008-10-15 EP EP08839707A patent/EP2217672A2/en not_active Withdrawn
- 2008-10-15 EP EP08840483A patent/EP2217671B8/en not_active Ceased
- 2008-10-15 US US12/682,950 patent/US8381811B2/en not_active Expired - Fee Related
- 2008-10-15 BR BRPI0818075A patent/BRPI0818075A8/pt not_active IP Right Cessation
- 2008-10-15 EA EA201070473A patent/EA018054B1/ru not_active IP Right Cessation
- 2008-10-15 WO PCT/IB2008/002728 patent/WO2009050561A2/en not_active Ceased
- 2008-10-15 US US12/738,195 patent/US20110024366A1/en not_active Abandoned
- 2008-10-15 EA EA201070474A patent/EA024146B1/ru not_active IP Right Cessation
- 2008-10-15 MX MX2010004068A patent/MX2010004068A/es active IP Right Grant
- 2008-10-15 CA CA2702702A patent/CA2702702A1/en not_active Abandoned
-
2010
- 2010-04-14 EG EG2010040605A patent/EG26115A/en active
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| US3654993A (en) * | 1970-04-06 | 1972-04-11 | Atlantic Richfield Co | Method for inhibiting corrosion in a well |
| EP0459171A1 (en) * | 1990-05-31 | 1991-12-04 | Mobil Oil Corporation | Method for inhibition of scale and scale inhibiting composition |
| US5211237A (en) * | 1992-01-31 | 1993-05-18 | Shell Oil Company | Precipitation of scale inhibitors |
| EP0781729A1 (en) * | 1995-12-28 | 1997-07-02 | Petroleo Brasileiro S.A. - PETROBAS | Process for the controlled fixing of scale inhibitor in subterranean formations |
Also Published As
| Publication number | Publication date |
|---|---|
| US20110017460A1 (en) | 2011-01-27 |
| EP2217672A2 (en) | 2010-08-18 |
| US20110024366A1 (en) | 2011-02-03 |
| WO2009050561A3 (en) | 2009-06-04 |
| BRPI0818075A2 (https=) | 2017-08-08 |
| ATE544829T1 (de) | 2012-02-15 |
| BRPI0818074A2 (pt) | 2015-03-31 |
| WO2009050562A3 (en) | 2009-06-04 |
| US8381811B2 (en) | 2013-02-26 |
| MX2010004068A (es) | 2010-08-09 |
| EP2597126A2 (en) | 2013-05-29 |
| CA2702693C (en) | 2015-03-17 |
| EP2217671A2 (en) | 2010-08-18 |
| EP2217671B1 (en) | 2012-02-08 |
| EP2597126B1 (en) | 2015-05-27 |
| CA2702693A1 (en) | 2009-04-23 |
| BRPI0818074A8 (pt) | 2016-01-12 |
| EG26115A (en) | 2013-02-27 |
| EA201070474A1 (ru) | 2010-10-29 |
| WO2009050562A2 (en) | 2009-04-23 |
| EA024146B1 (ru) | 2016-08-31 |
| WO2009050561A2 (en) | 2009-04-23 |
| BRPI0818075A8 (pt) | 2017-10-03 |
| MX2010004066A (es) | 2010-08-23 |
| EP2597126A3 (en) | 2013-10-02 |
| EP2217671B8 (en) | 2012-03-28 |
| EA201070473A1 (ru) | 2010-10-29 |
| CA2702702A1 (en) | 2009-04-23 |
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