NO20052368D0 - Additiv for a oke densiteten til et fluid for trykkontroll av foringsrorringrommet - Google Patents
Additiv for a oke densiteten til et fluid for trykkontroll av foringsrorringrommetInfo
- Publication number
- NO20052368D0 NO20052368D0 NO20052368A NO20052368A NO20052368D0 NO 20052368 D0 NO20052368 D0 NO 20052368D0 NO 20052368 A NO20052368 A NO 20052368A NO 20052368 A NO20052368 A NO 20052368A NO 20052368 D0 NO20052368 D0 NO 20052368D0
- Authority
- NO
- Norway
- Prior art keywords
- solid
- casing annulus
- dispersing agent
- additive
- fluid
- Prior art date
Links
- 239000012530 fluid Substances 0.000 title abstract 2
- 239000000654 additive Substances 0.000 title 1
- 230000000996 additive effect Effects 0.000 title 1
- 239000007787 solid Substances 0.000 abstract 5
- 239000002245 particle Substances 0.000 abstract 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 abstract 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract 2
- 239000002270 dispersing agent Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 239000011236 particulate material Substances 0.000 abstract 2
- 229920000642 polymer Polymers 0.000 abstract 2
- 239000011343 solid material Substances 0.000 abstract 2
- UBXAKNTVXQMEAG-UHFFFAOYSA-L strontium sulfate Chemical compound [Sr+2].[O-]S([O-])(=O)=O UBXAKNTVXQMEAG-UHFFFAOYSA-L 0.000 abstract 2
- 239000010428 baryte Substances 0.000 abstract 1
- 229910052601 baryte Inorganic materials 0.000 abstract 1
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract 1
- 239000010459 dolomite Substances 0.000 abstract 1
- 229910000514 dolomite Inorganic materials 0.000 abstract 1
- 230000005484 gravity Effects 0.000 abstract 1
- 229910052595 hematite Inorganic materials 0.000 abstract 1
- 239000011019 hematite Substances 0.000 abstract 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 abstract 1
- YDZQQRWRVYGNER-UHFFFAOYSA-N iron;titanium;trihydrate Chemical compound O.O.O.[Ti].[Fe] YDZQQRWRVYGNER-UHFFFAOYSA-N 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000010450 olivine Substances 0.000 abstract 1
- 229910052609 olivine Inorganic materials 0.000 abstract 1
- 229910021646 siderite Inorganic materials 0.000 abstract 1
- 229920003169 water-soluble polymer Polymers 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/1018—Coating or impregnating with organic materials
- C04B20/1029—Macromolecular compounds
- C04B20/1033—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/06—Selection or use of additives to aid disintegrating
-
- 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
- C09K8/02—Well-drilling compositions
- C09K8/03—Specific additives for general use in well-drilling compositions
-
- 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
- C09K8/02—Well-drilling compositions
- C09K8/03—Specific additives for general use in well-drilling compositions
- C09K8/032—Inorganic additives
-
- 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
- C09K8/02—Well-drilling compositions
- C09K8/03—Specific additives for general use in well-drilling compositions
- C09K8/035—Organic additives
-
- 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
- C09K8/02—Well-drilling compositions
- C09K8/32—Non-aqueous well-drilling compositions, e.g. oil-based
-
- 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
- C09K8/02—Well-drilling compositions
- C09K8/32—Non-aqueous well-drilling compositions, e.g. oil-based
- C09K8/34—Organic liquids
-
- 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
- C09K8/40—Spacer compositions, e.g. compositions used to separate well-drilling from cementing masses
-
- 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
- C09K8/42—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
- C09K8/46—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement
- C09K8/467—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement containing additives for specific purposes
- C09K8/48—Density increasing or weighting additives
-
- 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
- C09K8/50—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
- C09K8/501—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls using spacer compositions
-
- 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
- C09K8/50—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
- C09K8/502—Oil-based compositions
-
- 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
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/062—Arrangements for treating drilling fluids outside the borehole by mixing components
-
- 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
- C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
- C09K2208/18—Bridging agents, i.e. particles for temporarily filling the pores of a formation; Graded salts
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Structural Engineering (AREA)
- Food Science & Technology (AREA)
- Lubricants (AREA)
- Colloid Chemistry (AREA)
- Lining And Supports For Tunnels (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Earth Drilling (AREA)
- Closures For Containers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Pens And Brushes (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/274,528 US20030203822A1 (en) | 1996-07-24 | 2002-10-18 | Additive for increasing the density of a fluid for casing annulus pressure control |
| PCT/US2003/032246 WO2004037947A1 (en) | 2002-10-18 | 2003-10-14 | Additive for increasing the density of a fluid for casing annulus pressure control |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO20052368D0 true NO20052368D0 (no) | 2005-05-13 |
| NO20052368L NO20052368L (no) | 2005-07-06 |
| NO341021B1 NO341021B1 (no) | 2017-08-07 |
Family
ID=32174530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO20052368A NO341021B1 (no) | 2002-10-18 | 2005-05-13 | Fremgangsmåte og anvendelse av en sammensetning for å kontrollere trykket i et foringsrørringrom i en undergrunnsbrønn |
Country Status (12)
| Country | Link |
|---|---|
| US (2) | US20030203822A1 (no) |
| EP (2) | EP1558695B1 (no) |
| AT (2) | ATE549091T1 (no) |
| BR (1) | BR0315420A (no) |
| CA (1) | CA2502673C (no) |
| DE (1) | DE60334138D1 (no) |
| DK (2) | DK1558695T3 (no) |
| MX (2) | MXPA05004122A (no) |
| NO (1) | NO341021B1 (no) |
| NZ (1) | NZ539959A (no) |
| OA (1) | OA13046A (no) |
| WO (1) | WO2004037947A1 (no) |
Families Citing this family (46)
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|---|---|---|---|---|
| GB2315505B (en) * | 1996-07-24 | 1998-07-22 | Sofitech Nv | An additive for increasing the density of a fluid and fluid comprising such additve |
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| US20030203822A1 (en) * | 1996-07-24 | 2003-10-30 | Bradbury Andrew J. | Additive for increasing the density of a fluid for casing annulus pressure control |
| US7651983B2 (en) * | 1996-07-24 | 2010-01-26 | M-I L.L.C. | Reduced abrasiveness with micronized weighting material |
| US7267291B2 (en) * | 1996-07-24 | 2007-09-11 | M-I Llc | Additive for increasing the density of an oil-based fluid and fluid comprising such additive |
| US7618927B2 (en) * | 1996-07-24 | 2009-11-17 | M-I L.L.C. | Increased rate of penetration from low rheology wellbore fluids |
| US7169738B2 (en) * | 2004-06-03 | 2007-01-30 | M-I L.L.C. | Method of using a sized barite as a weighting agent for drilling fluids |
| US20090071649A1 (en) * | 1996-07-24 | 2009-03-19 | M-I Llc | Wellbore fluids for cement displacement operations |
| US7918289B2 (en) | 1996-07-24 | 2011-04-05 | M-I L.L.C. | Method of completing a well with sand screens |
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| WO2006091562A1 (en) * | 2005-02-22 | 2006-08-31 | M-I L.L.C. | Additive for reducing torque on a drill string |
| US7264053B2 (en) | 2005-03-24 | 2007-09-04 | Halliburton Energy Services, Inc. | Methods of using wellbore servicing fluids comprising resilient material |
| AU2007294626B2 (en) * | 2006-09-11 | 2011-04-14 | M-I Llc | Increased rate of penetration from low rheology wellbore fluids |
| AU2011202933B2 (en) * | 2006-09-11 | 2011-11-17 | M-I Llc | Dispersant coated weighting agents |
| US7947628B2 (en) * | 2006-10-24 | 2011-05-24 | M-I L.L.C. | Method of improving solids separation efficiency |
| US20080169130A1 (en) * | 2007-01-12 | 2008-07-17 | M-I Llc | Wellbore fluids for casing drilling |
| WO2009023415A2 (en) | 2007-07-30 | 2009-02-19 | M-I Llc | Insulating annular fluid |
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| US8252729B2 (en) * | 2008-01-17 | 2012-08-28 | Halliburton Energy Services Inc. | High performance drilling fluids with submicron-size particles as the weighting agent |
| US20090186781A1 (en) * | 2008-01-17 | 2009-07-23 | Hallibruton Energy Services, Inc., A Delaware Corporation | Drilling fluids comprising sub-micron precipitated barite as a component of the weighting agent and associated methods |
| US20090258799A1 (en) * | 2008-04-09 | 2009-10-15 | M-I Llc | Wellbore fluids possessing improved rheological and anti-sag properties |
| US20110136701A1 (en) * | 2008-08-22 | 2011-06-09 | M-I Swaco Norge As | High performance water based fluids |
| WO2010148226A2 (en) * | 2009-06-17 | 2010-12-23 | M-I L.L.C. | Application of degradable fibers in invert emulsion fluids for fluid loss control |
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| EP2537908B1 (en) | 2010-12-18 | 2015-07-29 | Services Pétroliers Schlumberger | Compositions and methods for well completions |
| GB2490166B (en) | 2011-04-21 | 2015-11-25 | Fumi Minerals Ltd | Weighting agent for use in subterranean wells |
| EA037172B1 (ru) | 2011-05-20 | 2021-02-15 | Эм-Ай Эл. Эл. Си. | Скважинный флюид, используемый с разбухающими элементами |
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| US9376608B2 (en) * | 2011-07-20 | 2016-06-28 | Halliburton Energy Services, Inc. | Invert emulsion drilling fluid containing a hygroscopic liquid and a polymeric suspending agent |
| CA2862899C (en) | 2012-01-27 | 2016-10-11 | William Marsh Rice University | Wellbore fluids incorporating magnetic carbon nanoribbons and magnetic functionalized carbon nanoribbons and methods of using the same |
| US10000984B2 (en) | 2012-07-09 | 2018-06-19 | M-I L.L.C. | Wellbore fluid used with oil-swellable elements |
| GB2517881B (en) | 2012-07-09 | 2018-02-07 | M-I L L C | Oil-based wellbore fluid comprising surface-modified precipitated silica |
| US10400155B2 (en) | 2012-07-09 | 2019-09-03 | M-I L.L.C. | Insulating annular fluid |
| WO2014066295A1 (en) | 2012-10-22 | 2014-05-01 | M-I L.L.C. | Electrically conductive wellbore fluids and methods of use |
| US10273400B2 (en) | 2012-11-29 | 2019-04-30 | M-I L.L.C. | Colloidal silica and polymer system for insulating packer fluids |
| EP2928817A4 (en) | 2012-12-04 | 2016-09-07 | Univ Rice William M | Carbon nanoparticle additives for wellbore fluid conductivity |
| US10407988B2 (en) | 2013-01-29 | 2019-09-10 | Halliburton Energy Services, Inc. | Wellbore fluids comprising mineral particles and methods relating thereto |
| US9777207B2 (en) * | 2013-01-29 | 2017-10-03 | Halliburton Energy Services, Inc. | Wellbore fluids comprising mineral particles and methods relating thereto |
| US9410065B2 (en) | 2013-01-29 | 2016-08-09 | Halliburton Energy Services, Inc. | Precipitated particles and wellbore fluids and methods relating thereto |
| US10421920B1 (en) * | 2016-04-13 | 2019-09-24 | Safe Harbour Products, Inc. | Biodegradable, non-toxic lubricant composition processes of making it and methods for its use |
| US11591505B2 (en) | 2017-10-16 | 2023-02-28 | Terves, Llc | High density fluid for completion applications |
| US11078393B2 (en) | 2017-10-16 | 2021-08-03 | Terves, Llc | Non-toxic high-density fluid for completion applications |
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| US12252968B1 (en) | 2023-08-28 | 2025-03-18 | Saudi Arabian Oil Company | Sustained casing pressure management system and method of use |
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-
2002
- 2002-10-18 US US10/274,528 patent/US20030203822A1/en not_active Abandoned
-
2003
- 2003-10-14 CA CA2502673A patent/CA2502673C/en not_active Expired - Fee Related
- 2003-10-14 DK DK03773252.6T patent/DK1558695T3/da active
- 2003-10-14 EP EP03773252A patent/EP1558695B1/en not_active Expired - Lifetime
- 2003-10-14 NZ NZ539959A patent/NZ539959A/en not_active IP Right Cessation
- 2003-10-14 AT AT10171324T patent/ATE549091T1/de active
- 2003-10-14 WO PCT/US2003/032246 patent/WO2004037947A1/en not_active Ceased
- 2003-10-14 DK DK10171324.6T patent/DK2248867T3/da active
- 2003-10-14 EP EP10171324A patent/EP2248867B1/en not_active Expired - Lifetime
- 2003-10-14 MX MXPA05004122A patent/MXPA05004122A/es active IP Right Grant
- 2003-10-14 DE DE60334138T patent/DE60334138D1/de not_active Expired - Lifetime
- 2003-10-14 AT AT03773252T patent/ATE480603T1/de active
- 2003-10-14 BR BR0315420-3A patent/BR0315420A/pt not_active Application Discontinuation
- 2003-10-14 OA OA1200500289A patent/OA13046A/en unknown
- 2003-10-14 MX MX2012007924A patent/MX352810B/es unknown
-
2005
- 2005-05-13 NO NO20052368A patent/NO341021B1/no not_active IP Right Cessation
- 2005-09-26 US US11/162,850 patent/US7589049B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DK1558695T3 (da) | 2011-01-03 |
| BR0315420A (pt) | 2005-08-23 |
| US20030203822A1 (en) | 2003-10-30 |
| MXPA05004122A (es) | 2005-08-03 |
| NZ539959A (en) | 2007-03-30 |
| AU2003279939A1 (en) | 2004-05-13 |
| US7589049B2 (en) | 2009-09-15 |
| CA2502673A1 (en) | 2004-05-06 |
| NO20052368L (no) | 2005-07-06 |
| US20060188651A1 (en) | 2006-08-24 |
| OA13046A (en) | 2006-11-10 |
| EP2248867A1 (en) | 2010-11-10 |
| ATE549091T1 (de) | 2012-03-15 |
| EP1558695A1 (en) | 2005-08-03 |
| NO341021B1 (no) | 2017-08-07 |
| MX352810B (es) | 2017-12-08 |
| EP2248867B1 (en) | 2012-03-14 |
| DE60334138D1 (de) | 2010-10-21 |
| DK2248867T3 (da) | 2012-04-10 |
| ATE480603T1 (de) | 2010-09-15 |
| WO2004037947A1 (en) | 2004-05-06 |
| EP1558695B1 (en) | 2010-09-08 |
| CA2502673C (en) | 2011-06-28 |
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| MM1K | Lapsed by not paying the annual fees |