EA018242B1 - Способ обработки ствола скважины и способ и система для разрушения фильтрационной корки на поверхности ствола скважины - Google Patents
Способ обработки ствола скважины и способ и система для разрушения фильтрационной корки на поверхности ствола скважины Download PDFInfo
- Publication number
- EA018242B1 EA018242B1 EA201071065A EA201071065A EA018242B1 EA 018242 B1 EA018242 B1 EA 018242B1 EA 201071065 A EA201071065 A EA 201071065A EA 201071065 A EA201071065 A EA 201071065A EA 018242 B1 EA018242 B1 EA 018242B1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- wellbore
- electrolytic
- fluid
- oxidizing agents
- filter cake
- Prior art date
Links
- 239000012065 filter cake Substances 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 44
- 239000012530 fluid Substances 0.000 claims abstract description 103
- 239000007800 oxidant agent Substances 0.000 claims abstract description 85
- 239000007864 aqueous solution Substances 0.000 claims abstract description 19
- 230000015572 biosynthetic process Effects 0.000 claims description 52
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 230000001580 bacterial effect Effects 0.000 claims description 9
- 239000012267 brine Substances 0.000 claims description 9
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 9
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 6
- 238000005868 electrolysis reaction Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 150000004820 halides Chemical class 0.000 claims description 3
- 230000004941 influx Effects 0.000 claims description 3
- 229920006237 degradable polymer Polymers 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims description 2
- 238000011065 in-situ storage Methods 0.000 abstract description 7
- 238000005755 formation reaction Methods 0.000 description 50
- 238000005553 drilling Methods 0.000 description 40
- 210000004027 cell Anatomy 0.000 description 22
- 150000003839 salts Chemical class 0.000 description 12
- 238000010521 absorption reaction Methods 0.000 description 11
- 239000000654 additive Substances 0.000 description 10
- 230000001066 destructive effect Effects 0.000 description 10
- 229920000642 polymer Polymers 0.000 description 10
- 239000003153 chemical reaction reagent Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000006378 damage Effects 0.000 description 7
- 239000003792 electrolyte Substances 0.000 description 7
- 229930195733 hydrocarbon Natural products 0.000 description 7
- 150000002430 hydrocarbons Chemical class 0.000 description 7
- 230000001590 oxidative effect Effects 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 239000013535 sea water Substances 0.000 description 6
- 241000894006 Bacteria Species 0.000 description 5
- 239000000460 chlorine Substances 0.000 description 5
- 229910052801 chlorine Inorganic materials 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000002906 microbiologic effect Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- 102000004190 Enzymes Human genes 0.000 description 3
- 108090000790 Enzymes Proteins 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 239000008151 electrolyte solution Substances 0.000 description 3
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Inorganic materials Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- -1 oxides Chemical class 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 239000004155 Chlorine dioxide Substances 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 229920001222 biopolymer Polymers 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 150000007942 carboxylates Chemical class 0.000 description 2
- 235000019398 chlorine dioxide Nutrition 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- RWGFKTVRMDUZSP-UHFFFAOYSA-N cumene Chemical compound CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 150000004676 glycans Chemical class 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229920001282 polysaccharide Polymers 0.000 description 2
- 239000005017 polysaccharide Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920001059 synthetic polymer Polymers 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical class [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 description 1
- 229920002307 Dextran Polymers 0.000 description 1
- 229920001503 Glucan Polymers 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 1
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- WGKMWBIFNQLOKM-UHFFFAOYSA-N [O].[Cl] Chemical compound [O].[Cl] WGKMWBIFNQLOKM-UHFFFAOYSA-N 0.000 description 1
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
- 229910001514 alkali metal chloride Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 1
- 229910052601 baryte Inorganic materials 0.000 description 1
- 239000010428 baryte Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 229920002988 biodegradable polymer Polymers 0.000 description 1
- 239000004621 biodegradable polymer Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- SXDBWCPKPHAZSM-UHFFFAOYSA-M bromate Chemical class [O-]Br(=O)=O SXDBWCPKPHAZSM-UHFFFAOYSA-M 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 150000001649 bromium compounds Chemical class 0.000 description 1
- 125000001246 bromo group Chemical group Br* 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 150000004673 fluoride salts Chemical class 0.000 description 1
- 150000004675 formic acid derivatives Chemical class 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 238000010952 in-situ formation Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 150000004694 iodide salts Chemical class 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 1
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000007858 starting material 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
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/08—Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US3601808P | 2008-03-12 | 2008-03-12 | |
| PCT/IB2009/005119 WO2009112948A2 (en) | 2008-03-12 | 2009-03-06 | Methods and systems of treating a wellbore |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EA201071065A1 EA201071065A1 (ru) | 2011-04-29 |
| EA018242B1 true EA018242B1 (ru) | 2013-06-28 |
Family
ID=40943750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EA201071065A EA018242B1 (ru) | 2008-03-12 | 2009-03-06 | Способ обработки ствола скважины и способ и система для разрушения фильтрационной корки на поверхности ствола скважины |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20110024122A1 (zh) |
| EP (1) | EP2268891A2 (zh) |
| CN (1) | CN101970793B (zh) |
| AU (1) | AU2009223855B2 (zh) |
| CA (2) | CA2718072A1 (zh) |
| EA (1) | EA018242B1 (zh) |
| MX (1) | MX2010009936A (zh) |
| WO (1) | WO2009112948A2 (zh) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2473799C2 (ru) * | 2011-04-22 | 2013-01-27 | Шлюмберже Текнолоджи Б.В. | Способ увеличения проницаемости призабойной зоны пласта |
| GB2490919A (en) * | 2011-05-18 | 2012-11-21 | Schlumberger Holdings | Electrochemical method for altering a composition at a location through an elongate conduit |
| US20140299552A1 (en) * | 2011-05-27 | 2014-10-09 | M-I L.L.C. | Disinfecting water used in a fracturing operation |
| WO2013131102A1 (en) * | 2012-03-02 | 2013-09-06 | Miox Corporation | Waste to product on site generator |
| CN104919126B (zh) * | 2012-12-28 | 2017-05-17 | 哈利伯顿能源服务公司 | 井下无叶发电机 |
| GB2512818B (en) * | 2013-03-04 | 2017-03-22 | Schlumberger Holdings | Electrochemical reactions in flowing stream |
| US10132150B2 (en) * | 2014-06-23 | 2018-11-20 | Halliburton Energy Services, Inc. | In-well saline fluid control |
| JP6569354B2 (ja) * | 2015-07-27 | 2019-09-04 | 日本製鉄株式会社 | 坑井の掘削方法 |
| CN113426770A (zh) * | 2021-07-30 | 2021-09-24 | 西安热工研究院有限公司 | 一种烟气组分吸收管的处理装置及方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2217857A (en) * | 1937-04-17 | 1940-10-15 | Shell Dev | Process for the removal of mud sheaths |
| US4392529A (en) * | 1981-11-03 | 1983-07-12 | Burwell Maurel R | Method of cleaning a well and apparatus thereof |
| US4974672A (en) * | 1988-03-08 | 1990-12-04 | Petrolphysics Operators | Gravel packing system for a production radial tube |
| US6029755A (en) * | 1998-01-08 | 2000-02-29 | M-I L.L.C. | Conductive medium for openhole logging and logging while drilling |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1784214A (en) * | 1928-10-19 | 1930-12-09 | Paul E Workman | Method of recovering and increasing the production of oil |
| US1984668A (en) * | 1934-03-10 | 1934-12-18 | Alfred W Knight | Method of cleaning the walls of mudded bore-holes |
| US2211696A (en) * | 1937-09-23 | 1940-08-13 | Dow Chemical Co | Treatment of wells |
| US2210205A (en) * | 1939-03-30 | 1940-08-06 | Lane Wells Co | Water intrusion location in oil wells |
| US4609475A (en) * | 1984-02-24 | 1986-09-02 | Halliburton Company | Method of improving the permeability of a subterranean formation by removal of polymeric materials therefrom |
| US4761208A (en) | 1986-09-29 | 1988-08-02 | Los Alamos Technical Associates, Inc. | Electrolytic method and cell for sterilizing water |
| US4941537A (en) * | 1988-02-25 | 1990-07-17 | Hi-Tek Polymers, Inc. | Method for reducing the viscosity of aqueous fluid |
| US5247995A (en) * | 1992-02-26 | 1993-09-28 | Bj Services Company | Method of dissolving organic filter cake obtained from polysaccharide based fluids used in production operations and completions of oil and gas wells |
| US5316740A (en) * | 1992-03-26 | 1994-05-31 | Los Alamos Technical Associates, Inc. | Electrolytic cell for generating sterilization solutions having increased ozone content |
| US5607905A (en) * | 1994-03-15 | 1997-03-04 | Texas United Chemical Company, Llc. | Well drilling and servicing fluids which deposit an easily removable filter cake |
| US6131661A (en) * | 1998-08-03 | 2000-10-17 | Tetra Technologies Inc. | Method for removing filtercake |
| US6524475B1 (en) | 1999-05-25 | 2003-02-25 | Miox Corporation | Portable water disinfection system |
| US6558537B1 (en) * | 1999-05-25 | 2003-05-06 | Miox Corporation | Portable hydration system |
| US6261464B1 (en) * | 1999-05-25 | 2001-07-17 | Miox Corporation | Portable water disinfection system |
| US6736966B2 (en) * | 1999-05-25 | 2004-05-18 | Miox Corporation | Portable water disinfection system |
| US6332972B1 (en) * | 1999-12-17 | 2001-12-25 | H20 Technologies, Ltd. | Decontamination method and system, such as an in-situ groundwater decontamination system, producing dissolved oxygen and reactive initiators |
| US7005075B2 (en) * | 2001-07-16 | 2006-02-28 | Miox Corporation | Gas drive electrolytic cell |
| US7008523B2 (en) * | 2001-07-16 | 2006-03-07 | Miox Corporation | Electrolytic cell for surface and point of use disinfection |
| US6805787B2 (en) | 2001-09-07 | 2004-10-19 | Severn Trent Services-Water Purification Solutions, Inc. | Method and system for generating hypochlorite |
| US6861394B2 (en) * | 2001-12-19 | 2005-03-01 | M-I L.L.C. | Internal breaker |
| US7325604B2 (en) * | 2002-10-24 | 2008-02-05 | Electro-Petroleum, Inc. | Method for enhancing oil production using electricity |
| DK1787005T3 (da) * | 2004-09-07 | 2009-06-08 | Terence Borst | Magnetiske enheder til forebyggelse af aflejring |
| US7311150B2 (en) * | 2004-12-21 | 2007-12-25 | Cdx Gas, Llc | Method and system for cleaning a well bore |
-
2009
- 2009-03-06 CA CA2718072A patent/CA2718072A1/en not_active Abandoned
- 2009-03-06 EA EA201071065A patent/EA018242B1/ru not_active IP Right Cessation
- 2009-03-06 MX MX2010009936A patent/MX2010009936A/es not_active Application Discontinuation
- 2009-03-06 EP EP09720550A patent/EP2268891A2/en not_active Withdrawn
- 2009-03-06 AU AU2009223855A patent/AU2009223855B2/en not_active Ceased
- 2009-03-06 CN CN200980108529.2A patent/CN101970793B/zh not_active Expired - Fee Related
- 2009-03-06 US US12/921,607 patent/US20110024122A1/en not_active Abandoned
- 2009-03-06 CA CA2853269A patent/CA2853269A1/en not_active Abandoned
- 2009-03-06 WO PCT/IB2009/005119 patent/WO2009112948A2/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2217857A (en) * | 1937-04-17 | 1940-10-15 | Shell Dev | Process for the removal of mud sheaths |
| US4392529A (en) * | 1981-11-03 | 1983-07-12 | Burwell Maurel R | Method of cleaning a well and apparatus thereof |
| US4974672A (en) * | 1988-03-08 | 1990-12-04 | Petrolphysics Operators | Gravel packing system for a production radial tube |
| US6029755A (en) * | 1998-01-08 | 2000-02-29 | M-I L.L.C. | Conductive medium for openhole logging and logging while drilling |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2268891A2 (en) | 2011-01-05 |
| CN101970793A (zh) | 2011-02-09 |
| MX2010009936A (es) | 2010-10-25 |
| WO2009112948A3 (en) | 2009-11-05 |
| CA2853269A1 (en) | 2009-09-17 |
| AU2009223855A1 (en) | 2009-09-17 |
| EA201071065A1 (ru) | 2011-04-29 |
| WO2009112948A2 (en) | 2009-09-17 |
| CA2718072A1 (en) | 2009-09-17 |
| US20110024122A1 (en) | 2011-02-03 |
| CN101970793B (zh) | 2014-10-08 |
| AU2009223855B2 (en) | 2012-05-03 |
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