NO20074687L - Sementblandinger med lav tetthet for anvendelse i sementeringsarbeider - Google Patents
Sementblandinger med lav tetthet for anvendelse i sementeringsarbeiderInfo
- Publication number
- NO20074687L NO20074687L NO20074687A NO20074687A NO20074687L NO 20074687 L NO20074687 L NO 20074687L NO 20074687 A NO20074687 A NO 20074687A NO 20074687 A NO20074687 A NO 20074687A NO 20074687 L NO20074687 L NO 20074687L
- Authority
- NO
- Norway
- Prior art keywords
- cement
- mixture
- cementing
- low density
- portland cement
- Prior art date
Links
- 239000004568 cement Substances 0.000 title abstract 4
- 239000000203 mixture Substances 0.000 abstract 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- 239000011398 Portland cement Substances 0.000 abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 239000005909 Kieselgur Substances 0.000 abstract 1
- 235000019738 Limestone Nutrition 0.000 abstract 1
- 229910021536 Zeolite Inorganic materials 0.000 abstract 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- 229910052910 alkali metal silicate Inorganic materials 0.000 abstract 1
- 238000009412 basement excavation Methods 0.000 abstract 1
- 239000011324 bead Substances 0.000 abstract 1
- 239000000440 bentonite Substances 0.000 abstract 1
- 229910000278 bentonite Inorganic materials 0.000 abstract 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 abstract 1
- 239000000919 ceramic Substances 0.000 abstract 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 abstract 1
- 239000010881 fly ash Substances 0.000 abstract 1
- 238000005755 formation reaction Methods 0.000 abstract 1
- 239000011521 glass Substances 0.000 abstract 1
- 239000010440 gypsum Substances 0.000 abstract 1
- 229910052602 gypsum Inorganic materials 0.000 abstract 1
- 229910017053 inorganic salt Inorganic materials 0.000 abstract 1
- 238000009413 insulation Methods 0.000 abstract 1
- 239000006028 limestone Substances 0.000 abstract 1
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
- 150000004706 metal oxides Chemical class 0.000 abstract 1
- 239000003607 modifier Substances 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- 239000002893 slag Substances 0.000 abstract 1
- 239000002002 slurry Substances 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 abstract 1
- 239000010457 zeolite Substances 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- 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
- C04B20/0076—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 characterised by the grain distribution
- C04B20/008—Micro- or nanosized fillers, e.g. micronised fillers with particle size smaller than that of the hydraulic binder
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
-
- 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
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00724—Uses not provided for elsewhere in C04B2111/00 in mining operations, e.g. for backfilling; in making tunnels or galleries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- Nanotechnology (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
En sementblanding, som er egnet for sementering i undergrunnsformasjoner for å gi soneisolering eller for blokkering eller plugging av en forlatt rørledning eller etterfylling av en minesjakt, tunnel eller utgravning, omfatter Portlandsement eller en blanding av minst to komponenter valgt fra Portlandsement, flyveaske, slagg, amorft silisiumdioksid, gips, kalkstein og bentonitt; og kiselgur, fortrinnsvis med et spesifikt BET-nitrogenadsorpsjonsoverflateområde mellom ca 30 og ca 100 m2/g. Sementblandingen kan videre inneholde et alkalimetasilikat og/eller alkalisilikat, zeolitt og/eller aluminiumsilikat, en akselerator, slik som et uorganisk salt, og/eller et alkalisk metalloksid, så vel som et lettvekts densitetsmodifiserende middel, som inkluderer kuler av glass, keramikk eller plast. En sementholdig oppslemming, formulert fra sementblandingen har en tetthet som er mindre enn eller lik 1500 kg/m3, og utviser god kompresjonsstyrke.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US84443306P | 2006-09-14 | 2006-09-14 | |
| US84453606P | 2006-09-14 | 2006-09-14 | |
| US87373406P | 2006-12-08 | 2006-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO20074687L true NO20074687L (no) | 2008-03-17 |
Family
ID=38917744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO20074687A NO20074687L (no) | 2006-09-14 | 2007-09-14 | Sementblandinger med lav tetthet for anvendelse i sementeringsarbeider |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20080066655A1 (no) |
| EP (1) | EP1900705A1 (no) |
| CA (1) | CA2601900C (no) |
| NO (1) | NO20074687L (no) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173720A (zh) * | 2011-01-26 | 2011-09-07 | 潘林有 | 适用于饱和软粘土地区人行过街地道水平通道的淤泥土水泥双管注浆 |
Families Citing this family (57)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2545810C (en) * | 2006-05-04 | 2011-07-12 | The Mosaic Company | Cementitious composition for use in elevated to fully saturated salt environments |
| US7967909B2 (en) * | 2007-02-26 | 2011-06-28 | Baker Hughes Incorporated | Method of cementing within a gas or oil well |
| US8257486B2 (en) * | 2008-03-26 | 2012-09-04 | Council Of Scientific & Industrial Research | Composition for building material and a process for the preparation thereof |
| RU2385894C1 (ru) * | 2008-10-13 | 2010-04-10 | Общество с ограниченной ответственностью "ЛУКОЙЛ-ПЕРМЬ" | СПОСОБ ПРИГОТОВЛЕНИЯ ОБЛЕГЧЕННОГО ТАМПОНАЖНОГО РАСТВОРА ПЛОТНОСТЬЮ 1450-1500 кг/м3 |
| NL1036620C2 (nl) * | 2009-02-24 | 2010-08-25 | A & G Holding B V | Werkwijze voor het stabiliseren en immobiliseren van anorganische zoute stromen. |
| CA2703604C (en) | 2009-05-22 | 2017-06-20 | Lafarge | Low density cementitious compositions |
| US9133058B2 (en) | 2009-07-15 | 2015-09-15 | U.S. Concrete, Inc. | Cementitious compositions for decreasing the rate of water vapor emissions from concrete and methods for preparing and using the same |
| US8220344B2 (en) | 2009-07-15 | 2012-07-17 | U.S. Concrete, Inc. | Method for estimating properties of concrete |
| US20110015306A1 (en) | 2009-07-15 | 2011-01-20 | US Concrete, Inc. | Cementitious compositions for decreasing the rate of water vapor emissions from concrete and methods for preparing and using the same |
| KR101043932B1 (ko) | 2009-08-17 | 2011-06-29 | 한국건설기술연구원 | 바텀애쉬를 포함하는 비소성 결합재 및 이를 이용한 콘크리트 조성물 |
| US8377197B2 (en) * | 2009-10-21 | 2013-02-19 | Reco Cement Products, LLC | Cementitious compositions and related systems and methods |
| FR2952050B1 (fr) * | 2009-11-05 | 2012-12-14 | Saint Gobain Weber France | Liants pour materiaux de construction |
| US8435930B2 (en) | 2010-07-15 | 2013-05-07 | Lafarge | Low density cementitious compositions using lime kiln dust |
| CA2746034C (en) * | 2010-07-15 | 2018-09-04 | Lafarge | Low density cementitious compositions using limestone |
| US8596356B2 (en) | 2010-10-28 | 2013-12-03 | Baker Hughes Incorporated | Method of producing synthesis gas by the underground gasification of coal from a coal seam |
| US8608405B2 (en) | 2010-11-24 | 2013-12-17 | Baker Hughes Incorporated | Methods for disposing of produced water recovered during hydrocarbon drilling, production or related operations |
| US9284224B2 (en) | 2011-05-13 | 2016-03-15 | Halliburton Energy Services, Inc. | Cement compositions and methods of using the same |
| US8627888B2 (en) | 2011-05-13 | 2014-01-14 | Halliburton Energy Services, Inc. | Settable compositions containing metakaolin having reduced portland cement content |
| RU2472835C1 (ru) * | 2011-07-01 | 2013-01-20 | Государственное образовательное учреждение высшего профессионального образования Московский государственный строительный университет (МГСУ) | Сырьевая смесь для получения облегченного тампонажного раствора |
| RU2470979C1 (ru) * | 2011-07-21 | 2012-12-27 | Общество с ограниченной ответственностью "ТюменНИИгипрогаз" | Облегченная тампонажная смесь |
| KR101111634B1 (ko) | 2011-09-14 | 2012-03-13 | 합자회사 동서콘크리트 | 녹차를 이용한 저알칼리 콘크리트 조성물 및 이를 포함하는 블록 |
| FR2984909B1 (fr) | 2011-12-21 | 2013-12-20 | Total Sa | Fluide de colmatage et procede pour colmater une zone d'une formation souterraine mettant en oeuvre ce fluide. |
| KR101345198B1 (ko) * | 2012-01-27 | 2013-12-30 | 합자회사 동서콘크리트 | 녹차를 이용한 저알칼리 콘크리트 조성물 및 이를 포함하는 블록 |
| EP2874970A1 (en) | 2012-07-20 | 2015-05-27 | U.S. Concrete, Inc. | Accelerated drying concrete compositions and methods of manufacturing thereof |
| US9102861B2 (en) * | 2012-09-27 | 2015-08-11 | Halliburton Energy Services, Inc. | Cement compositions for cementing in confined locales and methods for use thereof |
| CN103803896A (zh) * | 2012-11-08 | 2014-05-21 | 长沙理工大学 | 一种能吸纳水体氮磷等污染物生态护堤材料与制备方法 |
| US9650560B2 (en) | 2013-08-30 | 2017-05-16 | Halliburton Energy Services, Inc. | Methods of cementing and lassenite-containing cement compositions |
| US10767098B2 (en) | 2013-09-17 | 2020-09-08 | Baker Hughes, A Ge Company, Llc | Method of using sized particulates as spacer fluid |
| US10844270B2 (en) | 2013-09-17 | 2020-11-24 | Baker Hughes, A Ge Company, Llc | Method of enhancing stability of cement slurries in well cementing operations |
| US10822917B2 (en) | 2013-09-17 | 2020-11-03 | Baker Hughes, A Ge Company, Llc | Method of cementing a well using delayed hydratable polymeric viscosifying agents |
| CA2924991C (en) | 2013-11-25 | 2020-11-17 | Halliburton Energy Services, Inc. | Cement composition for lost circulation application |
| AT515534B1 (de) * | 2014-03-25 | 2015-10-15 | Edler Alois | Schüttfähige Mischung zur Bildung einer thermischen Dämmschicht |
| GB2545123B (en) * | 2014-12-05 | 2019-05-08 | Halliburton Energy Services Inc | Treatment fluids comprising calcium aluminate cement and methods of use |
| WO2016186593A1 (en) * | 2015-05-15 | 2016-11-24 | Çerezci Alperen | Construction materials with high thermal insulation property and production method |
| CN105349125A (zh) * | 2015-10-26 | 2016-02-24 | 中国石油天然气集团公司 | 一种承压堵漏剂 |
| BR112019013407B1 (pt) * | 2017-02-22 | 2023-04-18 | Halliburton Energy Services, Inc | Método de cimentação, e, composição de cimento |
| CN107699217A (zh) * | 2017-10-09 | 2018-02-16 | 中国矿业大学 | 一种基于钻孔渣屑的轻质高膨钻孔密封材料及制备方法 |
| CN108117291B (zh) * | 2017-12-28 | 2019-12-20 | 江西省建筑材料工业科学研究设计院 | 一种废弃铜尾矿渣高效活化剂及其制备方法 |
| SG11202012532SA (en) * | 2018-06-15 | 2021-01-28 | Sarod Greenback Llp | Engineered concrete binder composition comprising mechano-chemically modified component and method of producing the same |
| US11028309B2 (en) | 2019-02-08 | 2021-06-08 | Baker Hughes Oilfield Operations Llc | Method of using resin coated sized particulates as spacer fluid |
| US11597863B2 (en) * | 2019-03-21 | 2023-03-07 | Baker Hughes Oilfield Operations Llc | Methods of cementing a wellbore |
| RU2717854C1 (ru) * | 2019-12-16 | 2020-03-26 | Публичное акционерное общество "Газпром" | Утяжеленный тампонажный раствор |
| US11242479B2 (en) * | 2020-02-14 | 2022-02-08 | Halliburton Energy Services, Inc. | Geopolymer cement for use in subterranean operations |
| CN111217563A (zh) * | 2020-02-28 | 2020-06-02 | 内蒙古大雁矿业集团有限责任公司 | 一种耐低温早强速凝浆液及其制备方法 |
| IL299785A (en) * | 2020-07-16 | 2023-03-01 | Omya Int Ag | Alkali trace metal minerals as carriers for surfactants in drilling fluids |
| KR102304676B1 (ko) * | 2020-09-22 | 2021-09-27 | 한일콘크리트 주식회사 | 미세먼지 저감효과와 콘크리트 백화방지 기능을 가지는 나노솔루션의 제조방법, 이를 이용하여 제조된 나노솔루션, 나노솔루션을 포함하는 콘크리트 조성물 및 나노솔루션을 이용한 입상체를 포함하는 보도블록용 담체 |
| US11912927B2 (en) | 2020-10-05 | 2024-02-27 | Brookhaven Science Associates, Llc | Super-hydrophobic, thermally insulating, thermal-shocks resistant well cement composites for completion of geothermal wells at hydrothermal temperatures of up to 300° C |
| CN112341049A (zh) * | 2020-10-29 | 2021-02-09 | 鄂州中融钢宝碳素有限公司 | 一种轻质挡渣塞及其制备方法 |
| CN113213785B (zh) * | 2021-06-04 | 2023-03-17 | 嘉华特种水泥股份有限公司 | 一种高强低水化热固井水泥及其制备方法 |
| US20230124103A1 (en) * | 2021-10-19 | 2023-04-20 | Halliburton Energy Services, Inc. | Carbon Dioxide Enhanced Cement |
| CN116409954B (zh) * | 2021-12-31 | 2025-02-25 | 中国石油天然气股份有限公司 | 一种固井用晶相改造型高温增强剂及其制备方法与固井用水泥浆 |
| US11807805B2 (en) * | 2022-03-09 | 2023-11-07 | King Fahd University Of Petroleum And Minerals | Calcined Saudi calcium bentonite as cement replacement in low-density oil-well cement system |
| CN115929385B (zh) * | 2022-12-23 | 2025-06-17 | 山西凝固力新型材料股份有限公司 | 一种无机/有机快速固化型矿用喷涂堵漏风材料及其制备方法 |
| WO2025059478A1 (en) * | 2023-09-13 | 2025-03-20 | Schlumberger Technology Corporation | Cement compositions including a compressive strength additive, and related cement slurries and methods |
| CN117623668A (zh) * | 2023-11-17 | 2024-03-01 | 中国石油天然气集团有限公司 | 一种固井用低密度水泥浆防水侵剂制备方法 |
| CN117756495B (zh) * | 2023-12-28 | 2024-10-11 | 中煤科工开采研究院有限公司 | 一种基于介孔粒子增强的纳米改性复合注浆材料及其制备方法和应用 |
| WO2025151966A1 (en) * | 2024-01-19 | 2025-07-24 | Occam's Technologies Inc. | Low density cementitious slurry compositions comprising a calcium- or magnesia-based hydraulic binder and a lightweight expanded glass aggregate, and methods of using such compositions for downhole applications |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA716622A (en) * | 1965-08-24 | J. Shell Francis | Cement compositions and process of cementing wells | |
| US3523085A (en) * | 1967-05-09 | 1970-08-04 | Owens Corning Fiberglass Corp | Calcium silicate corrosion inhibiting insulation material containing alkali metal silicate glass |
| US6145591A (en) * | 1997-12-12 | 2000-11-14 | Bj Services Company | Method and compositions for use in cementing |
| CA2316059A1 (en) * | 1999-08-24 | 2001-02-24 | Virgilio C. Go Boncan | Methods and compositions for use in cementing in cold environments |
| DE10104341A1 (de) * | 2001-02-01 | 2002-08-08 | Colfirmit Rajasil Gmbh & Co Kg | Beschichtung mit adsorbierenden Eigenschaften für Innenraumflächen |
| US6989057B2 (en) * | 2002-12-10 | 2006-01-24 | Halliburton Energy Services, Inc. | Zeolite-containing cement composition |
| US7182137B2 (en) * | 2004-09-13 | 2007-02-27 | Halliburton Energy Services, Inc. | Cementitious compositions containing interground cement clinker and zeolite |
-
2007
- 2007-09-13 US US11/900,881 patent/US20080066655A1/en not_active Abandoned
- 2007-09-14 EP EP20070018136 patent/EP1900705A1/en not_active Ceased
- 2007-09-14 CA CA 2601900 patent/CA2601900C/en not_active Expired - Fee Related
- 2007-09-14 NO NO20074687A patent/NO20074687L/no not_active Application Discontinuation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173720A (zh) * | 2011-01-26 | 2011-09-07 | 潘林有 | 适用于饱和软粘土地区人行过街地道水平通道的淤泥土水泥双管注浆 |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2601900C (en) | 2012-01-17 |
| US20080066655A1 (en) | 2008-03-20 |
| EP1900705A1 (en) | 2008-03-19 |
| CA2601900A1 (en) | 2008-03-14 |
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