CN1437673A - 带有加强接合件的管状螺纹连接 - Google Patents
带有加强接合件的管状螺纹连接 Download PDFInfo
- Publication number
- CN1437673A CN1437673A CN01811563A CN01811563A CN1437673A CN 1437673 A CN1437673 A CN 1437673A CN 01811563 A CN01811563 A CN 01811563A CN 01811563 A CN01811563 A CN 01811563A CN 1437673 A CN1437673 A CN 1437673A
- Authority
- CN
- China
- Prior art keywords
- face
- recessed
- inner rim
- diameter
- mating face
- 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.)
- Granted
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 230000013011 mating Effects 0.000 claims description 56
- 238000007789 sealing Methods 0.000 claims description 40
- 230000007704 transition Effects 0.000 claims description 15
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 230000035882 stress Effects 0.000 description 56
- 238000012360 testing method Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 7
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000013256 coordination polymer Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006355 external stress Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/001—Screw-threaded joints; Forms of screw-threads for such joints with conical threads
- F16L15/004—Screw-threaded joints; Forms of screw-threads for such joints with conical threads with axial sealings having at least one plastically deformable sealing surface
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
- Earth Drilling (AREA)
- Gasket Seals (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
Description
力矩 | P系列 | Q系列 |
TE | 3300 | 8100 |
Topot | 12740 | |
TF | 21200 | 36600 |
TF-TE | 17900 | 28500 |
偏移直径 | 212.83mm(8.379”) | 72.82mm(2.867”) |
材料 | 无缝管,碳钢,屈服极限≥552MPa | |
推荐装配力矩(Topt)(*) | 21575N.m | 3825N.m |
样本序号 | 凸内径IDP(mm) | 凹内径IDB(mm) | 比例R(=IDB/IDP) | 锥形倒角角度(*) | 分类 | |||
装配前 | 装配后 | 装配前 | 装配后 | 装配前 | 装配后 | |||
A1 | 220.09 | 219.56 | 213.89 | 214.08 | 0.972 | 0.975 | 35° | 本发明 |
A2 | 10° | 对比例 | ||||||
A3 | 219.58 | 219.79 | 220.00 | 0.999 | B1.002 | 现有技术 | ||
B1 | 77.96 | 77.76 | 73.66 | 73.83 | 0.945 | 0.951 | 35° | 本发明 |
B2 | 10° | 对比例 | ||||||
B3 | 77.68 | 77.66 | 77.84 | 0.996 | 1.002 | 现有技术 |
样品序号 | 过力矩测试 | |
在塑性变形点的力矩TF(N.m) | 接合件/肩部,视觉观察 | |
A1 | 96079 | 即不变形也不磨损粘结 |
A2 | 71905 | 凹接合件塑性变形 |
A3 | 68317 | 凹接合件和凸端塑性变形(A点) |
B1 | 8414 | 凹接合件磨损粘结但没有塑性变形 |
B2 | 6100 | 凹接合件塑性变形 |
B3 | 4952 | 凹接合件塑性变形 |
样品 | 倒角 | 轴向距离 | BC/BD | IDD/IDP(*) | IDB/IDP | |
BC(mm) | BD(mm) | |||||
A1 | 35° | 4.4 | 12.8 | 0.4 | 0.972 | 0.972 |
A2 | 10° | 17.6 | 11.8 | 1.5 | 0.981 | 0.972 |
B1 | 35° | 3.1 | 5.9 | 0.5 | 0.945 | 0.945 |
B2 | 10° | 12.2 | 4.6 | 2.7 | 0.979 | 0.945 |
样品序号 | 泄漏力矩T1的值(N.m) |
A1 | 93182 |
A2 | 76068 |
A3 | 71406 |
B1 | 11807 |
B2 | 8816 |
B3 | 8149 |
Claims (13)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000185020 | 2000-06-20 | ||
JP185020/00 | 2000-06-20 | ||
JP185020/2000 | 2000-06-20 | ||
FR00/16866 | 2000-12-22 | ||
FR0016866A FR2818728B1 (fr) | 2000-12-22 | 2000-12-22 | Joint filete tubulaire avec butee renforcee |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1437673A true CN1437673A (zh) | 2003-08-20 |
CN1272521C CN1272521C (zh) | 2006-08-30 |
Family
ID=26212792
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB018115632A Expired - Fee Related CN1272521C (zh) | 2000-06-20 | 2001-06-18 | 带有加强接合件的管状螺纹连接件 |
Country Status (15)
Country | Link |
---|---|
US (1) | US6789823B2 (zh) |
EP (1) | EP1295007B1 (zh) |
CN (1) | CN1272521C (zh) |
AR (1) | AR029683A1 (zh) |
AT (1) | ATE363581T1 (zh) |
AU (1) | AU2001269182A1 (zh) |
BR (1) | BR0111807B1 (zh) |
CA (1) | CA2410794C (zh) |
CZ (1) | CZ302148B6 (zh) |
DE (1) | DE60128687T2 (zh) |
DZ (1) | DZ3362A1 (zh) |
EA (1) | EA003840B1 (zh) |
MX (1) | MXPA02012594A (zh) |
PL (1) | PL195714B1 (zh) |
WO (1) | WO2001098620A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102639912A (zh) * | 2009-11-30 | 2012-08-15 | 瓦卢莱克曼内斯曼油气法国公司 | 螺纹连接件 |
CN103015909A (zh) * | 2012-12-25 | 2013-04-03 | 江苏和信石油机械有限公司 | 一种14-3/4英寸超大口径探矿钻杆 |
CN103397853A (zh) * | 2013-08-06 | 2013-11-20 | 天津钢管集团股份有限公司 | 用于套管的气密封特殊螺纹接头结构 |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3876656B2 (ja) * | 2001-07-13 | 2007-02-07 | 住友金属工業株式会社 | 管用ねじ継手 |
ITRM20020234A1 (it) * | 2002-04-30 | 2003-10-30 | Tenaris Connections Bv | Giunzione filettata per tubi. |
EP1826697A1 (en) * | 2006-02-24 | 2007-08-29 | Giga Games System, SL | Method for booting and using software for AWP and B type amusing gaming machines, and for C type casino machines |
FR2904031B1 (fr) * | 2006-07-20 | 2014-03-07 | Vallourec Mannesmann Oil & Gas | Element male, pour un composant de forage, a butee externe et butee interne adaptee au refacage sans perte de couple de resistance, et ensemble de composants de forage associe. |
CN102011557B (zh) * | 2009-09-04 | 2012-11-14 | 中国石油天然气集团公司 | 高气密封油套管特殊螺纹接头 |
US8714600B2 (en) * | 2010-07-22 | 2014-05-06 | Vladimir Petrovich Aldohin | Highly-tight threaded joint |
CN102606086A (zh) * | 2012-03-27 | 2012-07-25 | 无锡西姆莱斯石油专用管制造有限公司 | 特殊圆螺纹油套管连接接头 |
CN102587844B (zh) * | 2012-03-27 | 2015-04-15 | 无锡西姆莱斯石油专用管制造有限公司 | 特殊圆螺纹管接头 |
CN102852469B (zh) * | 2012-04-25 | 2015-06-10 | 无锡西姆莱斯石油专用管制造有限公司 | 特殊偏梯形螺纹油套管接头 |
US20150069752A1 (en) * | 2013-09-06 | 2015-03-12 | Baker Hughes Incorporated | Modular Tubing Seal Bore System |
CN103527107B (zh) * | 2013-10-12 | 2014-07-16 | 建湖县永维阀门钻件有限公司 | 一种双向自锁式单头螺纹隔水管接头 |
US9638357B1 (en) | 2015-06-24 | 2017-05-02 | Omax Corporation | Mechanical processing of high aspect ratio metallic tubing and related technology |
EP3128119A1 (en) | 2015-08-05 | 2017-02-08 | Hydril Company | Threaded tubular connection |
US11629560B2 (en) * | 2017-01-18 | 2023-04-18 | Nippon Steel Corporation | Threaded connection for steel pipe |
NL2018298B1 (en) | 2017-02-03 | 2018-08-28 | Hydril Co | Threaded tubular connection |
US11566730B2 (en) | 2017-09-05 | 2023-01-31 | Black Diamond Oilfield Rentals LLC | Drill pipe |
AR113535A1 (es) * | 2017-12-05 | 2020-05-13 | Nippon Steel & Sumitomo Metal Corp | Unión roscada para tubos de acero |
WO2019210021A1 (en) * | 2018-04-25 | 2019-10-31 | Hydril Company | Wedge thread connection for tubular goods |
US11156526B1 (en) | 2018-05-15 | 2021-10-26 | eWellbore, LLC | Triaxial leak criterion for optimizing threaded connections in well tubulars |
US11513027B1 (en) * | 2018-05-15 | 2022-11-29 | eWellbore, LLC | Triaxial leak criterion with thread shear for optimizing threaded connections in well tubulars |
EP3572612B1 (en) * | 2018-05-25 | 2020-10-07 | Vallourec Oil And Gas France | Tubular threaded connection |
US11719354B2 (en) | 2020-03-26 | 2023-08-08 | Hypertherm, Inc. | Freely clocking check valve |
CN115698507A (zh) | 2020-03-30 | 2023-02-03 | 海别得公司 | 用于具有多功能接口纵向端的液体喷射泵的气缸 |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2239826A (en) * | 1940-07-15 | 1941-04-29 | Hughes Tool Co | Tool joint |
US2532632A (en) * | 1948-10-04 | 1950-12-05 | Hydril Corp | Tubing and tubing joint |
DE1243605B (de) * | 1965-08-05 | 1967-07-06 | Mannesmann Ag | Futterrohrverbindung |
FR1489013A (fr) | 1965-11-05 | 1967-07-21 | Vallourec | Joint d'assemblage pour tubes métalliques |
FR1488719A (fr) * | 1966-08-04 | 1967-07-13 | Mannesmann Ag | Raccord pour les tubes de revêtement ou tubages de forages profonds |
JPS5944552B2 (ja) | 1981-05-14 | 1984-10-30 | 新日本製鐵株式会社 | 高気密性油井管用ネジ継手 |
JPS58157087U (ja) | 1982-04-16 | 1983-10-20 | 日本鋼管株式会社 | 油井管用ネジ継手 |
US4629224A (en) | 1983-04-26 | 1986-12-16 | Hydril Company | Tubular connection |
US5029906A (en) * | 1983-04-29 | 1991-07-09 | Baker Hughes Incorporated | Method and apparatus for forming a ventable seal |
GB8414203D0 (en) * | 1984-06-04 | 1984-07-11 | Hunting Oilfield Services Ltd | Pipe connectors |
JPS616488A (ja) * | 1984-06-20 | 1986-01-13 | 日本鋼管株式会社 | 油井管用ネジ継手 |
US4619472A (en) | 1985-05-02 | 1986-10-28 | Nippon Steel Corporation | Pipe coupling |
IT1199343B (it) | 1986-12-23 | 1988-12-30 | Dalmine Spa | Giunto perfezionato per tubi di rivestimento di pozzi |
IT1224745B (it) * | 1988-10-03 | 1990-10-18 | Dalmine Spa | Giunto a tenuta ermetica metallica per tubi |
US5137310A (en) * | 1990-11-27 | 1992-08-11 | Vallourec Industries | Assembly arrangement using frustoconical screwthreads for tubes |
FR2673199B1 (fr) | 1991-02-21 | 1994-01-21 | Vallourec Industries | Revetement de surface anti-grippage pour moyen d'assemblage de tubes par filetages et procede de realisation d'un tel revetement. |
JP3057857B2 (ja) | 1991-11-08 | 2000-07-04 | 日本鋼管株式会社 | 高トルクツールジョイント |
US5454605A (en) * | 1993-06-15 | 1995-10-03 | Hydril Company | Tool joint connection with interlocking wedge threads |
FR2725773B1 (fr) | 1994-10-13 | 1996-11-29 | Vallourec Oil & Gas | Assemblage filete pour tubes |
DE69532400T2 (de) | 1994-10-19 | 2004-11-11 | Vallourec Mannesmann Oil & Gas France | Gewindeverbindung für Rohre |
CA2163282C (en) * | 1994-11-22 | 2002-08-13 | Miyuki Yamamoto | Threaded joint for oil well pipes |
WO1998054501A1 (en) | 1997-05-30 | 1998-12-03 | Sumitomo Metal Industries, Ltd. | Screw joint for oil well pipe |
US6042153A (en) * | 1998-02-25 | 2000-03-28 | Grant Prideco, Inc. | Threaded connection for internally clad pipe |
US6609735B1 (en) * | 1998-07-29 | 2003-08-26 | Grant Prideco, L.P. | Threaded and coupled connection for improved fatigue resistance |
UA66876C2 (uk) * | 1998-09-07 | 2004-06-15 | Валлурек Маннесманн Ойл Енд Гес Франс | Різьбове з'єднання двох металевих труб з пазом, виконаним в різьбі |
UA71575C2 (uk) * | 1998-09-07 | 2004-12-15 | Валлурек Маннесманн Ойл Енд Гес Франс | Різьбове з'єднання двох металевих труб з великим моментом загвинчування |
CZ9031U1 (cs) * | 1999-05-05 | 1999-09-06 | Lubomír Lanča | Těsněný závitový spoj pažnlc pažnico vých kolon |
AR020495A1 (es) | 1999-09-21 | 2002-05-15 | Siderca Sa Ind & Com | Union roscada de alta resistencia al sobretorque y compresion |
-
2001
- 2001-06-18 BR BRPI0111807-2A patent/BR0111807B1/pt not_active IP Right Cessation
- 2001-06-18 US US10/049,909 patent/US6789823B2/en not_active Expired - Lifetime
- 2001-06-18 AU AU2001269182A patent/AU2001269182A1/en not_active Abandoned
- 2001-06-18 CA CA002410794A patent/CA2410794C/fr not_active Expired - Fee Related
- 2001-06-18 WO PCT/FR2001/001897 patent/WO2001098620A1/fr active IP Right Grant
- 2001-06-18 DZ DZ013362A patent/DZ3362A1/fr active
- 2001-06-18 EP EP01947514A patent/EP1295007B1/fr not_active Expired - Lifetime
- 2001-06-18 EA EA200300038A patent/EA003840B1/ru not_active IP Right Cessation
- 2001-06-18 CN CNB018115632A patent/CN1272521C/zh not_active Expired - Fee Related
- 2001-06-18 MX MXPA02012594A patent/MXPA02012594A/es active IP Right Grant
- 2001-06-18 PL PL01359461A patent/PL195714B1/pl not_active IP Right Cessation
- 2001-06-18 DE DE60128687T patent/DE60128687T2/de not_active Expired - Lifetime
- 2001-06-18 CZ CZ20030184A patent/CZ302148B6/cs not_active IP Right Cessation
- 2001-06-18 AT AT01947514T patent/ATE363581T1/de active
- 2001-06-19 AR ARP010102902A patent/AR029683A1/es active IP Right Grant
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102639912A (zh) * | 2009-11-30 | 2012-08-15 | 瓦卢莱克曼内斯曼油气法国公司 | 螺纹连接件 |
CN102639912B (zh) * | 2009-11-30 | 2015-09-09 | 瓦卢瑞克石油天然气法国有限公司 | 螺纹连接件 |
CN103015909A (zh) * | 2012-12-25 | 2013-04-03 | 江苏和信石油机械有限公司 | 一种14-3/4英寸超大口径探矿钻杆 |
CN103397853A (zh) * | 2013-08-06 | 2013-11-20 | 天津钢管集团股份有限公司 | 用于套管的气密封特殊螺纹接头结构 |
Also Published As
Publication number | Publication date |
---|---|
AU2001269182A1 (en) | 2002-01-02 |
WO2001098620A1 (fr) | 2001-12-27 |
CA2410794C (fr) | 2007-11-13 |
CZ2003184A3 (cs) | 2003-06-18 |
EP1295007A1 (fr) | 2003-03-26 |
PL359461A1 (en) | 2004-08-23 |
DE60128687D1 (de) | 2007-07-12 |
CA2410794A1 (fr) | 2001-12-27 |
EP1295007B1 (fr) | 2007-05-30 |
BR0111807B1 (pt) | 2009-05-05 |
PL195714B1 (pl) | 2007-10-31 |
EA200300038A1 (ru) | 2003-04-24 |
CZ302148B6 (cs) | 2010-11-18 |
AR029683A1 (es) | 2003-07-10 |
BR0111807A (pt) | 2003-05-20 |
DE60128687T2 (de) | 2008-01-31 |
CN1272521C (zh) | 2006-08-30 |
MXPA02012594A (es) | 2004-04-02 |
DZ3362A1 (zh) | 2001-12-27 |
ATE363581T1 (de) | 2007-06-15 |
US6789823B2 (en) | 2004-09-14 |
EA003840B1 (ru) | 2003-10-30 |
US20030067168A1 (en) | 2003-04-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1272521C (zh) | 带有加强接合件的管状螺纹连接件 | |
CN1639496A (zh) | 包括至少一个具有端唇部的螺纹元件的改进螺纹管连接 | |
CN1136409C (zh) | 螺齿中包含槽的用于两个金属管的螺纹连接 | |
CN1095022C (zh) | 金属管的螺纹连接结构 | |
CN1136408C (zh) | 具有高紧固扭矩的两金属管的螺纹连接 | |
CN1185428C (zh) | 耐外压的螺纹管接头 | |
CN1440497A (zh) | 能够经受直径扩张的管状螺纹连接 | |
CN1215277C (zh) | 抗疲劳的形成有腰部的螺纹管件 | |
CN1798940A (zh) | 用于钢管的螺纹接头 | |
CN1254625C (zh) | 带有凸的圆形螺纹表面的梯形螺纹的螺纹管连接 | |
CN1666056A (zh) | 塑性膨胀后改善密封性的强化螺纹管接头 | |
CN1288378C (zh) | 螺纹管连接的抗疲劳螺纹件及具有该螺纹件的螺纹管连接 | |
CN1617994A (zh) | 带有塑性膨胀的密封管状接头的实现方法 | |
CN1130739A (zh) | 管用螺纹接头 | |
CN1570365A (zh) | 用于安装燃气轮机的方法和装置 | |
CN1280376C (zh) | 密封环 | |
CN101038055A (zh) | 配管接头结构 | |
CN1967020A (zh) | 用于热膨胀系数不同的材料的密封组件 | |
CN1902424A (zh) | 具有局部初始加工余量的管形密封接头通过塑性扩张的实施 | |
CN1283385C (zh) | 装配并焊接在承载箍里的金属板环的安装方法和制造方法 | |
US20140054888A1 (en) | Hammer union assembly, hammer union seal therefor and method of constructing a hammer union seal | |
CN1906422A (zh) | U形螺栓组件 | |
JP2007530875A (ja) | ダブルショルダ型ツールジョイント | |
CN1507546A (zh) | 制造油井管螺纹接合的方法 | |
CN1789068A (zh) | 用于输送燃料的管道结构、适用在该管道结构中的用于输送燃料的树脂管及其生产方法 |
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 | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wham (Changzhou) Petroleum and natural gas exploration and development special equipment Co., Ltd. Assignor: Vallourec Mannesmann Oil & Gas France|Sumitomo Metal Industries Ltd. Contract fulfillment period: 2008.5.26 to 2018.5.26 contract change Contract record no.: 2009990000127 Denomination of invention: Tubular threaded joint with reinforced stop Granted publication date: 20060830 License type: General permission Record date: 2009.2.23 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: COMMON LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.5.26 TO 2018.5.26; CHANGE OF CONTRACT Name of requester: VAM (CHANGZHOU )OIL AND GAS PREMIUM EQUIPMENTS CO. Effective date: 20090223 |
|
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: 20140414 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20140414 Address after: French aulnois aimeries Patentee after: Vallourec Mannesmann Oil & Gas France Patentee after: Nippon Steel Corporation Address before: French aulnois aimeries Patentee before: Vallourec Mannesmann Oil & Gas France Patentee before: Sumitomo Metal Industries Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060830 Termination date: 20140618 |
|
EXPY | Termination of patent right or utility model |