CN1975094B - 埋设扩管用钢管及油井用钢管的埋设方法 - Google Patents
埋设扩管用钢管及油井用钢管的埋设方法 Download PDFInfo
- Publication number
- CN1975094B CN1975094B CN2007100016419A CN200710001641A CN1975094B CN 1975094 B CN1975094 B CN 1975094B CN 2007100016419 A CN2007100016419 A CN 2007100016419A CN 200710001641 A CN200710001641 A CN 200710001641A CN 1975094 B CN1975094 B CN 1975094B
- Authority
- CN
- China
- Prior art keywords
- pipe
- steel pipe
- steel
- expansion
- thickness
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, wire, rods, tubes or like semi-manufactured products by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by means other than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, rods or tubes
- B21C1/22—Metal drawing by machines or apparatus in which the drawing action is effected by means other than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, rods or tubes specially adapted for making tubular articles
- B21C1/24—Metal drawing by machines or apparatus in which the drawing action is effected by means other than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, rods or tubes specially adapted for making tubular articles by means of mandrels
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
- C21D9/085—Cooling or quenching
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/02—Subsoil filtering
- E21B43/10—Setting of casings, screens, liners or the like in wells
- E21B43/103—Setting of casings, screens, liners or the like in wells of expandable casings, screens, liners, or the like
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Heat Treatment Of Articles (AREA)
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
- Earth Drilling (AREA)
- Heat Treatment Of Steel (AREA)
- Metal Extraction Processes (AREA)
Abstract
Description
| 钢种 | 试样材料的化学组成(质量%、余部:Fe和杂质) | |||||||||||
| C | Si | Mn | P | S | sol.Al | N | Cr | Mo | V | Ti | Nb | |
| ABCD | 0.240.250.120.24 | 0.310.230.360.35 | 1.350.441.271.30 | 0.0110.0050.0140.011 | 0.0030.0010.0010.002 | 0.0350.0130.0400.033 | 0.0060.0080.0090.006 | -1.01-0.20 | -0.7-- | -0.010.010.01 | 0.0100.0110.0210.010 | --0.021- |
| 钢种 | 扩管率(α)% | 扩管前的偏厚率(E0)% | 扩管后的偏厚率(E1)% | 30/(1+0.018α) | 实测抗压强度(C1)psi | C1/CO | 备注 | |||
| A | 101010202020303030 | 5.425.030.010.017.425.00.89.023.0 | 6.529.034.514.024.532.01.213.634.0 | 25.425.425.422.122.122.119.519.519.5 | 1120095008800915087507700810072506100 | 0.980.820.760.910.870.770.950.850.72 | ○○×○○×○○× | |||
| B | 101010202020303030 | 0.813.332.06.020.026.012.014.226.0 | 1.016.138.09.026.536.018.423.041.0 | 25.425.425.422.122.122.119.519.519.5 | 128001240096001080095008160920078006500 | 0.980.950.730.960.840.720.830.820.67 | ○○×○○×○○× | |||
| C | 101010202020303030 | 18.021.035.013.121.031.05.018.028.0 | 20.526.042.018.329.542.28.026.544.0 | 25.425.425.422.122.122.119.519.519.5 | 800078006050675060005100580051004100 | 0.920.900.690.900.800.680.910.800.65 | ○○×○○×○○× | |||
| 测定No. | 平均壁厚(mm) | 1元偏厚(偏芯偏厚) | 2元偏厚 | 3元偏厚 | |||
| 偏厚量(mm) | 偏厚率(%) | 偏厚量(mm) | 偏厚率(%) | 偏厚量(mm) | 偏厚率(%) | ||
| 1 | 10.56 | 0.57 | 5.4 | 0.37 | 3.5 | 0.36 | 3.4 |
| 2 | 10.58 | 0.42 | 4.0 | 0.03 | 0.3 | 0.36 | 3.4 |
| 3 | 10.52 | 0.41 | 3.9 | 0.05 | 0.5 | 0.31 | 2.9 |
| 4 | 10.51 | 0.32 | 3.0 | 0.15 | 1.4 | 0.33 | 3.1 |
| 5 | 10.45 | 0.45 | 4.3 | 0.09 | 0.9 | 0.25 | 2.4 |
| 6 | 10.43 | 0.33 | 3.2 | 0.07 | 0.7 | 0.28 | 2.7 |
| 7 | 10.37 | 0.46 | 4.4 | 0.10 | 0.9 | 0.31 | 2.9 |
| 8 | 10.44 | 0.50 | 4.8 | 0.12 | 1.1 | 0.33 | 3.1 |
| 9 | 10.54 | 0.51 | 4.8 | 0.14 | 1.3 | 0.29 | 2.7 |
| 10 | 10.43 | 0.48 | 4.6 | 0.08 | 0.8 | 0.29 | 2.7 |
Claims (4)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001066141 | 2001-03-09 | ||
| JP2001066141 | 2001-03-09 | ||
| JP2001-066141 | 2001-03-09 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB02806285XA Division CN1323221C (zh) | 2001-03-09 | 2002-03-11 | 一种扩管钢管及油井用钢管的埋设方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1975094A CN1975094A (zh) | 2007-06-06 |
| CN1975094B true CN1975094B (zh) | 2011-09-21 |
Family
ID=18924683
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100016419A Expired - Fee Related CN1975094B (zh) | 2001-03-09 | 2002-03-11 | 埋设扩管用钢管及油井用钢管的埋设方法 |
| CNB02806285XA Expired - Fee Related CN1323221C (zh) | 2001-03-09 | 2002-03-11 | 一种扩管钢管及油井用钢管的埋设方法 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB02806285XA Expired - Fee Related CN1323221C (zh) | 2001-03-09 | 2002-03-11 | 一种扩管钢管及油井用钢管的埋设方法 |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US7225868B2 (zh) |
| EP (1) | EP1375820B1 (zh) |
| CN (2) | CN1975094B (zh) |
| CA (1) | CA2441130C (zh) |
| DE (1) | DE60207695T2 (zh) |
| MX (1) | MXPA03008006A (zh) |
| NO (1) | NO334536B1 (zh) |
| WO (1) | WO2002073001A1 (zh) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7552776B2 (en) | 1998-12-07 | 2009-06-30 | Enventure Global Technology, Llc | Anchor hangers |
| US7055608B2 (en) | 1999-03-11 | 2006-06-06 | Shell Oil Company | Forming a wellbore casing while simultaneously drilling a wellbore |
| US7410000B2 (en) | 2001-01-17 | 2008-08-12 | Enventure Global Technology, Llc. | Mono-diameter wellbore casing |
| GB2406126B (en) | 2002-06-10 | 2006-03-15 | Enventure Global Technology | Mono-diameter wellbore casing |
| CA2490700C (en) * | 2002-06-19 | 2014-02-25 | Nippon Steel Corporation | Oil country tubular goods excellent in collapse characteristics after expansion and method of production thereof |
| GB2415454B (en) | 2003-03-11 | 2007-08-01 | Enventure Global Technology | Apparatus for radially expanding and plastically deforming a tubular member |
| US7213643B2 (en) * | 2003-04-23 | 2007-05-08 | Halliburton Energy Services, Inc. | Expanded liner system and method |
| WO2005028803A2 (en) * | 2003-09-05 | 2005-03-31 | Enventure Global Technology, Llc | Expandable tubular |
| US20080257542A1 (en) * | 2004-08-11 | 2008-10-23 | Enventure Global Technology, Llc | Low Carbon Steel Expandable Tubular |
| US7845434B2 (en) * | 2005-03-16 | 2010-12-07 | Troy Lee Clayton | Technique for drilling straight bore holes in the earth |
| CN101180449A (zh) * | 2005-03-21 | 2008-05-14 | 亿万奇环球技术公司 | 径向扩张系统 |
| EP1892309B1 (en) * | 2005-06-10 | 2013-08-07 | Nippon Steel & Sumitomo Metal Corporation | Oil well pipe for expandable-tube use excellent in toughness after pipe expansion and process for producing the same |
| EP1749895A1 (fr) * | 2005-08-04 | 2007-02-07 | ARCELOR France | Procédé de fabrication de tôles d'acier présentant une haute résistance et une excellente ductilité, et tôles ainsi produites |
| BRPI0809092A2 (pt) * | 2007-03-23 | 2014-09-09 | Nkt Flexibles Is | Métodos de prover uma tira de aço inoxidável duplex para uma camada de blindagem de um tubo flexível e de prover um tubo flexível e aparelho para soldar peças de aço inoxidável duplex entre si. |
| MX2008012239A (es) * | 2007-03-30 | 2008-11-28 | Sumitomo Metal Ind | Accesorio tubular para tubos octg para expansion en pozos y metodo de fabricacion del mismo. |
| DE102007023306A1 (de) * | 2007-05-16 | 2008-11-20 | Benteler Stahl/Rohr Gmbh | Verwendung einer Stahllegierung für Mantelrohre zur Perforation von Bohrlochverrohrungen sowie Mantelrohr |
| US8006770B2 (en) * | 2009-02-16 | 2011-08-30 | Halliburton Energy Services, Inc. | Expandable casing with enhanced collapse resistance and sealing capability |
| CN101906586B (zh) * | 2009-06-08 | 2013-04-03 | 鞍钢股份有限公司 | 一种高强度直缝焊管用钢及其制造方法 |
| DK2423428T3 (da) * | 2010-08-31 | 2013-08-26 | Welltec As | Forseglingssystem |
| CN101967606A (zh) * | 2010-11-02 | 2011-02-09 | 武汉钢铁(集团)公司 | 直缝电阻焊石油套管用热轧钢带及其生产方法 |
| CN101994061A (zh) * | 2010-11-26 | 2011-03-30 | 首钢总公司 | 一种石油套管用钢及其制造方法 |
| CN102605241A (zh) * | 2011-12-30 | 2012-07-25 | 内蒙古包钢钢联股份有限公司 | 一种正火型16MnDR低温压力容器钢板及其制造方法 |
| GB2534546B (en) * | 2014-12-19 | 2020-10-14 | Equinor Energy As | Method of preparing wells for plugging |
| WO2016104706A1 (ja) * | 2014-12-26 | 2016-06-30 | 新日鐵住金株式会社 | 口広げ金属管の製造方法 |
| CN106077252B (zh) * | 2016-06-22 | 2018-06-26 | 湖北三江航天江北机械工程有限公司 | 铁基高温合金薄壁弧形管的成型方法及其模具 |
| RU2719618C1 (ru) * | 2019-12-04 | 2020-04-21 | Акционерное общество "Первоуральский новотрубный завод" (АО "ПНТЗ") | Горячекатаная бесшовная насосно-компрессорная труба повышенной эксплуатационной надежности для нефтепромыслового оборудования |
| CN114807754A (zh) * | 2022-04-15 | 2022-07-29 | 承德建龙特殊钢有限公司 | 一种超深井油气用钢及其制备方法 |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1880218A (en) * | 1930-10-01 | 1932-10-04 | Richard P Simmons | Method of lining oil wells and means therefor |
| CA1139923A (en) * | 1979-02-28 | 1983-01-25 | Toshio Yoshida | Method of producing multiple-wall composite pipes |
| US4483399A (en) * | 1981-02-12 | 1984-11-20 | Colgate Stirling A | Method of deep drilling |
| SE447804B (sv) * | 1983-04-20 | 1986-12-15 | Kuroki Kogyosho Kk | Forfarande for framstellning av sammansatta stalror |
| SU1679030A1 (ru) * | 1988-01-21 | 1991-09-23 | Татарский Государственный Научно-Исследовательский И Проектный Институт Нефтяной Промышленности | Способ изол ции зон осложнений в скважине профильными перекрывател ми |
| DE3813044A1 (de) * | 1988-04-19 | 1989-11-02 | Hoechst Ag | Gekruemmte schlauchfoermige verpackungshuelle, insbesondere wursthuelle |
| MY108743A (en) * | 1992-06-09 | 1996-11-30 | Shell Int Research | Method of greating a wellbore in an underground formation |
| MY116920A (en) | 1996-07-01 | 2004-04-30 | Shell Int Research | Expansion of tubings |
| CA2316978C (en) * | 1997-12-31 | 2008-01-29 | Shell Canada Limited | Method for drilling and completing a hydrocarbon production well |
| EP0952306A1 (en) * | 1998-04-23 | 1999-10-27 | Shell Internationale Researchmaatschappij B.V. | Foldable tube |
| US6640903B1 (en) * | 1998-12-07 | 2003-11-04 | Shell Oil Company | Forming a wellbore casing while simultaneously drilling a wellbore |
| GB2344606B (en) | 1998-12-07 | 2003-08-13 | Shell Int Research | Forming a wellbore casing by expansion of a tubular member |
| AU772327B2 (en) * | 1998-12-22 | 2004-04-22 | Weatherford Technology Holdings, Llc | Procedures and equipment for profiling and jointing of pipes |
| JP3519966B2 (ja) * | 1999-01-07 | 2004-04-19 | 新日本製鐵株式会社 | 低温靱性に優れた超高強度ラインパイプおよびその製造法 |
| JP2001058279A (ja) * | 1999-08-23 | 2001-03-06 | Daido Steel Co Ltd | 拡管に適した炭素鋼管接合体の製造方法および拡管方法 |
| US6457518B1 (en) * | 2000-05-05 | 2002-10-01 | Halliburton Energy Services, Inc. | Expandable well screen |
| WO2001094655A1 (en) * | 2000-06-07 | 2001-12-13 | Nippon Steel Corporation | Steel pipe having high formability and method for producing the same |
| EP1297910B8 (en) * | 2000-06-09 | 2008-10-01 | Nippon Steel Corporation | Method of producing a high-strength steel pipe |
| DE50009928D1 (de) * | 2000-08-09 | 2005-05-04 | Alcan Tech & Man Ag | Verfahren zum Strangpressen von Rohrprofilen |
| DK175850B1 (da) * | 2001-04-24 | 2005-03-29 | Force Technology | System og fremgangsmåde til måling af lagtykkelser af et flerlagsrör |
| US6770016B1 (en) * | 2001-08-17 | 2004-08-03 | Ace Specialty, Inc. | “Thick bar” barbell with rotatable support for weight plates |
| US6910618B2 (en) * | 2002-03-21 | 2005-06-28 | The Technologies Alliance, Inc. | Method for preparing pipe for butt welding |
| JP4019772B2 (ja) * | 2002-04-18 | 2007-12-12 | 住友金属工業株式会社 | 継目無管の製造方法 |
| US7561015B2 (en) * | 2003-12-02 | 2009-07-14 | Applied Materials, Inc. | Magnet secured in a two part shell |
-
2002
- 2002-03-11 EP EP02702882A patent/EP1375820B1/en not_active Expired - Lifetime
- 2002-03-11 DE DE60207695T patent/DE60207695T2/de not_active Expired - Lifetime
- 2002-03-11 MX MXPA03008006A patent/MXPA03008006A/es active IP Right Grant
- 2002-03-11 WO PCT/JP2002/002261 patent/WO2002073001A1/ja not_active Ceased
- 2002-03-11 CA CA002441130A patent/CA2441130C/en not_active Expired - Fee Related
- 2002-03-11 CN CN2007100016419A patent/CN1975094B/zh not_active Expired - Fee Related
- 2002-03-11 CN CNB02806285XA patent/CN1323221C/zh not_active Expired - Fee Related
-
2003
- 2003-09-02 US US10/651,941 patent/US7225868B2/en not_active Expired - Lifetime
- 2003-09-08 NO NO20033972A patent/NO334536B1/no not_active IP Right Cessation
-
2007
- 2007-04-27 US US11/790,874 patent/US7458426B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| WO2002073001A1 (fr) | 2002-09-19 |
| EP1375820A4 (en) | 2005-03-16 |
| CN1323221C (zh) | 2007-06-27 |
| US20040035576A1 (en) | 2004-02-26 |
| US7458426B2 (en) | 2008-12-02 |
| CN1975094A (zh) | 2007-06-06 |
| NO334536B1 (no) | 2014-03-31 |
| NO20033972L (no) | 2003-11-07 |
| US7225868B2 (en) | 2007-06-05 |
| DE60207695D1 (de) | 2006-01-05 |
| US20070199720A1 (en) | 2007-08-30 |
| NO20033972D0 (no) | 2003-09-08 |
| CA2441130C (en) | 2009-01-13 |
| EP1375820B1 (en) | 2005-11-30 |
| MXPA03008006A (es) | 2005-06-20 |
| DE60207695T2 (de) | 2006-08-17 |
| CA2441130A1 (en) | 2002-09-19 |
| EP1375820A1 (en) | 2004-01-02 |
| CN1529787A (zh) | 2004-09-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1975094B (zh) | 埋设扩管用钢管及油井用钢管的埋设方法 | |
| CN100554473C (zh) | 埋设扩管用油井钢管 | |
| CN101541997A (zh) | 在矿井内被扩径的扩径用油井管及扩径用油井管所使用的双相不锈钢 | |
| WO2005017303A2 (en) | Expandable tubular | |
| CN101541998A (zh) | 在矿井内被扩径的扩径用油井管及其制造方法 | |
| CN105734444A (zh) | 一种深海管线用高强度厚壁焊接钢管及其制造方法 | |
| JP5488726B2 (ja) | 油井用鋼管の製造方法及び油井用鋼管 | |
| JP3534032B2 (ja) | 2相ステンレス鋼製鋼管の製造方法 | |
| JP3885615B2 (ja) | 埋設拡管用鋼管および油井用鋼管の埋設方法 | |
| JP5487543B2 (ja) | 拡管性に優れた油井用鋼管 | |
| JP5211708B2 (ja) | 拡管性に優れる油井用ステンレス鋼管およびその製造方法 | |
| Asahi et al. | Pipe production technology and properties of X120 linepipe | |
| JP3506088B2 (ja) | 耐疲労特性に優れたコイルドチュービング用マルテンサイト系ステンレス鋼とそれからの製造法 | |
| JP2002266055A (ja) | 拡管用油井鋼管 | |
| JP3503560B2 (ja) | 耐食性に優れた低降伏比マルテンサイト系ステンレス鋼およびその製造方法 | |
| JP5399635B2 (ja) | 拡管性に優れる油井用ステンレス鋼管およびその製造方法 | |
| JP3912334B2 (ja) | 埋設拡管用油井管 | |
| JP5061887B2 (ja) | 拡管性に優れた油井用鋼管およびその製造方法 | |
| JP5447880B2 (ja) | 拡管性に優れる油井用ステンレス鋼管の製造方法 | |
| JP2001001082A (ja) | 金属管接合体の製造方法 | |
| JP2012006069A (ja) | 圧潰特性に優れた鋼管 | |
| Keil | Mechanical property changes in steel during the pipe making process | |
| JPH09202922A (ja) | 高強度、高靭性で、かつ耐震性に優れたラインパイプの製造方法 | |
| JPH09176733A (ja) | 耐震鋼管の製造方法 | |
| CN101151108A (zh) | 无缝钢管的制造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NIPPON STEEL + SUMITOMO METAL CORPORATION Free format text: FORMER OWNER: CHUGAI SEIYAKU KABUSHIKI KAISHA Effective date: 20130407 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130407 Address after: Tokyo, Japan Patentee after: Nippon Steel Corporation Address before: Osaka Japan Patentee before: Sumitomo Metal Industries Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Tokyo, Japan Patentee after: Nippon Steel Corporation Address before: Tokyo, Japan Patentee before: Nippon Steel Corporation |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Tokyo, Japan Patentee after: Nippon Iron & Steel Corporation Address before: Tokyo, Japan Patentee before: Nippon Steel Corporation |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20200311 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |