CA2680943C - A seamless steel tube for use as a steel catenary riser in the touch down zone - Google Patents
A seamless steel tube for use as a steel catenary riser in the touch down zone Download PDFInfo
- Publication number
- CA2680943C CA2680943C CA2680943A CA2680943A CA2680943C CA 2680943 C CA2680943 C CA 2680943C CA 2680943 A CA2680943 A CA 2680943A CA 2680943 A CA2680943 A CA 2680943A CA 2680943 C CA2680943 C CA 2680943C
- Authority
- CA
- Canada
- Prior art keywords
- steel tube
- upset
- pipe body
- upset end
- steel
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 70
- 239000010959 steel Substances 0.000 title claims abstract description 70
- 239000000463 material Substances 0.000 claims abstract description 42
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910001563 bainite Inorganic materials 0.000 claims abstract description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 14
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000010955 niobium Substances 0.000 claims abstract description 11
- 239000010936 titanium Substances 0.000 claims abstract description 11
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 229910001568 polygonal ferrite Inorganic materials 0.000 claims abstract description 10
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 10
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 9
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 8
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 8
- 239000011651 chromium Substances 0.000 claims abstract description 8
- 239000011572 manganese Substances 0.000 claims abstract description 8
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 8
- 239000011733 molybdenum Substances 0.000 claims abstract description 8
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 8
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 7
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052802 copper Inorganic materials 0.000 claims abstract description 7
- 239000010949 copper Substances 0.000 claims abstract description 7
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 7
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 7
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 7
- 239000011574 phosphorus Substances 0.000 claims abstract description 7
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 7
- 239000010703 silicon Substances 0.000 claims abstract description 7
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 7
- 239000011593 sulfur Substances 0.000 claims abstract description 7
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000012360 testing method Methods 0.000 claims description 60
- 230000007704 transition Effects 0.000 claims description 33
- 238000003466 welding Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 239000008186 active pharmaceutical agent Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000010791 quenching Methods 0.000 claims description 7
- 238000005496 tempering Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 230000000171 quenching effect Effects 0.000 claims description 4
- 230000004927 fusion Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 229910001566 austenite Inorganic materials 0.000 claims description 2
- 238000004090 dissolution Methods 0.000 claims description 2
- 238000005098 hot rolling Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 238000001556 precipitation Methods 0.000 claims description 2
- 238000001953 recrystallisation Methods 0.000 claims description 2
- 238000003303 reheating Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 229910000859 α-Fe Inorganic materials 0.000 description 11
- 241001016380 Reseda luteola Species 0.000 description 10
- 238000005336 cracking Methods 0.000 description 10
- 238000013461 design Methods 0.000 description 10
- 239000000243 solution Substances 0.000 description 9
- 229910000734 martensite Inorganic materials 0.000 description 7
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 6
- 238000005452 bending Methods 0.000 description 6
- 230000006872 improvement Effects 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 6
- 239000012085 test solution Substances 0.000 description 6
- 210000000746 body region Anatomy 0.000 description 5
- 238000012512 characterization method Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 238000009863 impact test Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 238000009661 fatigue test Methods 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 238000011068 loading method Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000009862 microstructural analysis Methods 0.000 description 3
- 238000009864 tensile test Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000010191 image analysis Methods 0.000 description 2
- 239000006249 magnetic particle Substances 0.000 description 2
- OXNIZHLAWKMVMX-UHFFFAOYSA-N picric acid Chemical compound OC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O OXNIZHLAWKMVMX-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000007669 thermal treatment Methods 0.000 description 2
- 244000137852 Petrea volubilis Species 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000009658 destructive testing Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000000399 optical microscopy Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- 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
-
- 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
- E21B17/01—Risers
- E21B17/015—Non-vertical risers, e.g. articulated or catenary-type
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Geology (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Articles (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US91806507P | 2007-03-15 | 2007-03-15 | |
| US60/918,065 | 2007-03-15 | ||
| US12/073,879 | 2008-03-11 | ||
| US12/073,879 US20080226396A1 (en) | 2007-03-15 | 2008-03-11 | Seamless steel tube for use as a steel catenary riser in the touch down zone |
| PCT/MX2008/000041 WO2008111828A2 (es) | 2007-03-15 | 2008-03-14 | Tuberia de acero sin costura para usarse como un elevador catenario de acero en el area de contacto |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2680943A1 CA2680943A1 (en) | 2008-09-18 |
| CA2680943C true CA2680943C (en) | 2014-12-09 |
Family
ID=39619243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2680943A Expired - Fee Related CA2680943C (en) | 2007-03-15 | 2008-03-14 | A seamless steel tube for use as a steel catenary riser in the touch down zone |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20080226396A1 (de) |
| EP (1) | EP2157197A2 (de) |
| BR (1) | BRPI0808963A2 (de) |
| CA (1) | CA2680943C (de) |
| MX (1) | MX340352B (de) |
| NO (1) | NO20093020L (de) |
| WO (1) | WO2008111828A2 (de) |
Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100545291C (zh) | 2003-04-25 | 2009-09-30 | 墨西哥钢管股份有限公司 | 用作导管的无缝钢管和获得所述钢管的方法 |
| BRPI0807605A2 (pt) | 2007-02-27 | 2014-05-13 | Exxonmobil Upstream Res Compony | Métodos para construir uma tubulação para transportar hidrocarbonetos e para formar uma junta de solda entre seções tubulares, seção de tubo, e, tubulação para transportar hidrocarbonetos |
| MX2007004600A (es) * | 2007-04-17 | 2008-12-01 | Tubos De Acero De Mexico S A | Un tubo sin costura para la aplicación como secciones verticales de work-over. |
| US7862667B2 (en) | 2007-07-06 | 2011-01-04 | Tenaris Connections Limited | Steels for sour service environments |
| DE102007034895A1 (de) * | 2007-07-24 | 2009-01-29 | V&M Deutschland Gmbh | Verfahren zur Herstellung von warmgefertigten nahtlosen Rohren mit optimierten Ermüdungseigenschaften im verschweißten Zustand |
| US8328960B2 (en) * | 2007-11-19 | 2012-12-11 | Tenaris Connections Limited | High strength bainitic steel for OCTG applications |
| CA2686301C (en) * | 2008-11-25 | 2017-02-28 | Maverick Tube, Llc | Compact strip or thin slab processing of boron/titanium steels |
| US20100319814A1 (en) * | 2009-06-17 | 2010-12-23 | Teresa Estela Perez | Bainitic steels with boron |
| EP2325435B2 (de) | 2009-11-24 | 2020-09-30 | Tenaris Connections B.V. | Verschraubung für [ultrahoch] abgedichteten internen und externen Druck |
| WO2012024047A1 (en) * | 2010-08-18 | 2012-02-23 | Huntington Alloys Corporation | Process for producing large diameter, high strength, corrosion-resistant welded pipe and pipe made thereby |
| US9163296B2 (en) | 2011-01-25 | 2015-10-20 | Tenaris Coiled Tubes, Llc | Coiled tube with varying mechanical properties for superior performance and methods to produce the same by a continuous heat treatment |
| IT1403689B1 (it) | 2011-02-07 | 2013-10-31 | Dalmine Spa | Tubi in acciaio ad alta resistenza con eccellente durezza a bassa temperatura e resistenza alla corrosione sotto tensioni da solfuri. |
| IT1403688B1 (it) | 2011-02-07 | 2013-10-31 | Dalmine Spa | Tubi in acciaio con pareti spesse con eccellente durezza a bassa temperatura e resistenza alla corrosione sotto tensione da solfuri. |
| US8636856B2 (en) | 2011-02-18 | 2014-01-28 | Siderca S.A.I.C. | High strength steel having good toughness |
| US8414715B2 (en) | 2011-02-18 | 2013-04-09 | Siderca S.A.I.C. | Method of making ultra high strength steel having good toughness |
| US9340847B2 (en) | 2012-04-10 | 2016-05-17 | Tenaris Connections Limited | Methods of manufacturing steel tubes for drilling rods with improved mechanical properties, and rods made by the same |
| GB2525337B (en) | 2013-01-11 | 2016-06-22 | Tenaris Connections Ltd | Galling resistant drill pipe tool joint and corresponding drill pipe |
| US9187811B2 (en) | 2013-03-11 | 2015-11-17 | Tenaris Connections Limited | Low-carbon chromium steel having reduced vanadium and high corrosion resistance, and methods of manufacturing |
| US9803256B2 (en) | 2013-03-14 | 2017-10-31 | Tenaris Coiled Tubes, Llc | High performance material for coiled tubing applications and the method of producing the same |
| EP2789700A1 (de) | 2013-04-08 | 2014-10-15 | DALMINE S.p.A. | Dickwandige vergütete und nahtlose Stahlrohre und entsprechendes Verfahren zur Herstellung der Stahlrohre |
| EP2789701A1 (de) | 2013-04-08 | 2014-10-15 | DALMINE S.p.A. | Hochfeste mittelwandige vergütete und nahtlose Stahlrohre und entsprechendes Verfahren zur Herstellung der Stahlrohre |
| WO2014207656A1 (en) | 2013-06-25 | 2014-12-31 | Tenaris Connections Ltd. | High-chromium heat-resistant steel |
| DE102014102452A1 (de) * | 2014-02-25 | 2015-08-27 | Vallourec Deutschland Gmbh | Verfahren zur Herstellung von warmgewalzten, nahtlosen Rohren aus umwandlungsfähigem Stahl, insbesondere für Rohrleitungen für Tiefwasseranwendungen und entsprechende Rohre |
| US10066445B2 (en) | 2015-12-16 | 2018-09-04 | Artifex Engineering, Inc. | Tubular connection assembly for improved fatigue performance of metallic risers |
| DE102016115026B4 (de) | 2016-08-12 | 2018-03-08 | Vdm Metals International Gmbh | Verfahren zur Herstellung von walzplattierten Blechen sowie walzplattierte Bleche |
| US11124852B2 (en) | 2016-08-12 | 2021-09-21 | Tenaris Coiled Tubes, Llc | Method and system for manufacturing coiled tubing |
| US10434554B2 (en) | 2017-01-17 | 2019-10-08 | Forum Us, Inc. | Method of manufacturing a coiled tubing string |
| GB2569790B (en) * | 2017-12-21 | 2020-10-21 | Technip France | Method of Preparing a Pipe-Section |
| WO2020093129A1 (pt) * | 2018-11-07 | 2020-05-14 | Petróleo Brasileiro S.A. - Petrobras | Tubo rígido metálico com extremidades mais espessas, riser submarino, processo e sistema de fabricação de tubo rígido metálico com extremidades mais espessas |
| GB2619951A (en) | 2022-06-22 | 2023-12-27 | Subsea 7 Do Brasil Servicos Ltda | Improving fatigue resistance of steel catenary risers |
| GB2619950A (en) | 2022-06-22 | 2023-12-27 | Subsea 7 Do Brasil Servicos Ltda | Improving fatigue resistance of steel catenary risers |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2289271A (en) * | 1939-01-03 | 1942-07-07 | Kane Boiler Works Inc | Pipe connection |
| NO305618B1 (no) | 1995-08-03 | 1999-06-28 | Norske Stats Oljeselskap | Stiger°r |
| US5993570A (en) * | 1997-06-20 | 1999-11-30 | American Cast Iron Pipe Company | Linepipe and structural steel produced by high speed continuous casting |
| WO1998053110A1 (en) * | 1997-05-19 | 1998-11-26 | American Cast Iron Pipe Company | Linepipe and structural steel produced by high speed continuous casting |
| US6866725B2 (en) * | 2000-02-28 | 2005-03-15 | Nippon Steel Corporation | Steel pipe excellent in formability and method of producing the same |
| NO315284B1 (no) * | 2001-10-19 | 2003-08-11 | Inocean As | Stigerör for forbindelse mellom et fartöy og et punkt på havbunnen |
| JP4945946B2 (ja) * | 2005-07-26 | 2012-06-06 | 住友金属工業株式会社 | 継目無鋼管およびその製造方法 |
| MXPA05008339A (es) * | 2005-08-04 | 2007-02-05 | Tenaris Connections Ag | Acero de alta resistencia para tubos de acero soldables y sin costura. |
-
2008
- 2008-03-11 US US12/073,879 patent/US20080226396A1/en not_active Abandoned
- 2008-03-14 CA CA2680943A patent/CA2680943C/en not_active Expired - Fee Related
- 2008-03-14 WO PCT/MX2008/000041 patent/WO2008111828A2/es active Application Filing
- 2008-03-14 EP EP08741588A patent/EP2157197A2/de not_active Withdrawn
- 2008-03-14 BR BRPI0808963-9A patent/BRPI0808963A2/pt not_active IP Right Cessation
- 2008-03-14 MX MX2009009905A patent/MX340352B/es active IP Right Grant
-
2009
- 2009-09-18 NO NO20093020A patent/NO20093020L/no not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| US20080226396A1 (en) | 2008-09-18 |
| MX2009009905A (es) | 2010-01-18 |
| WO2008111828A3 (es) | 2009-01-15 |
| MX340352B (es) | 2016-07-05 |
| WO2008111828A2 (es) | 2008-09-18 |
| BRPI0808963A2 (pt) | 2014-08-26 |
| EP2157197A2 (de) | 2010-02-24 |
| CA2680943A1 (en) | 2008-09-18 |
| NO20093020L (no) | 2010-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2680943C (en) | A seamless steel tube for use as a steel catenary riser in the touch down zone | |
| Rao et al. | Weld overlay cladding of high strength low alloy steel with austenitic stainless steel–structure and properties | |
| Sowards et al. | Characterization of mechanical properties, fatigue-crack propagation, and residual stresses in a microalloyed pipeline-steel friction-stir weld | |
| CA2682959A1 (en) | A seamless steel tube for the application as work-over riser | |
| JPWO2007023805A1 (ja) | ラインパイプ用継目無鋼管とその製造方法 | |
| JP2012509178A (ja) | 摩擦撹拌溶接による高強度および高靱性鋼構造体 | |
| Rogalski et al. | Underwater wet repair welding of API 5L X65M pipeline steel | |
| CN105734444A (zh) | 一种深海管线用高强度厚壁焊接钢管及其制造方法 | |
| Hashemi et al. | On the relation of microstructure and impact toughness characteristics of DSAW steel of grade API X70 | |
| Elrefaey et al. | Evolution of microstructure and toughness in 2.25 Cr-1Mo steel welds | |
| Saoudi et al. | Assessment and statistical correlation of mechanical properties of double sided single pass submerged arc welded line pipe steel | |
| Toguyeni et al. | High strength carbon steel and CRA lined pipe for reel-lay installation | |
| Ishiguro et al. | Enhanced corrosion-resistant stainless steel OCTG of 17Cr for sweet and sour environments | |
| EP3492612A1 (de) | Hochfestes nahtloses stahlrohr und steigrohr | |
| Tivelli et al. | Metallurgical aspects of heavy wall-high strength seamless pipes for deep water applications | |
| Gianetto et al. | Structure and properties of X80 and X100 pipeline girth welds | |
| Zhdanov et al. | Structure and properties of welded joints of 06G2BDP steel | |
| CN101537542A (zh) | 低焊接残余应力的2.25Cr-1Mo钢对接接头焊接结构 | |
| Izquierdo et al. | Qualification of weldable X65 grade riser sections with upset ends to improve fatigue performance of deepwater steel catenary risers | |
| Toma et al. | Development of API X70-X80 grades heavy-wall seamless pipes with low temperature toughness | |
| Jun et al. | Measuring Crack Propagation Resistance of Linepipe Steels in Sour Service-A Comparative Study of Test Methods and Materials Response | |
| Farè et al. | Mechanical properties and weldability of ultra-heavy wall seamless pipes for sour and arctic-alike environment | |
| Konrad et al. | Heavy wall seamless line pipe X70–X80 for sour service applications | |
| Jones et al. | Heavy Wall Linepipe and Welding Solutions for HP/HT Pipelines | |
| Sagara et al. | Development for material and application technique of stainless steel line pipes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| EEER | Examination request |
Effective date: 20121218 |
|
| MKLA | Lapsed |
Effective date: 20170314 |