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12179294 | Device and method for joining elements of underwater pipe for transporting fluids | Nov 12, 19 | Dec 31, 24 | Saipem SA |
12152701 | Seafloor pipeline removal system and method | Dec 14, 22 | Nov 26, 24 | Not available |
12123522 | Method for producing a steel underwater pipe that is able to carry a corrosive fluid | Sep 09, 19 | Oct 22, 24 | Saipem SA |
12117102 | Method for manufacture, assembly and continuous construction of pipe sections in a spoolbase with gradual movement | Sep 25, 23 | Oct 15, 24 | Not available |
12116747 | Subsea foundations | Jun 16, 20 | Oct 15, 24 | Subsea 7 Norway AS |
12074414 | Method and apparatus for inserting an elongate object into a trench in a sea floor | Sep 16, 20 | Aug 27, 24 | SOIL MACHINE DYNAMICS LIMITED |
12055257 | Subsea infrastructure and method of decommissioning subsea infrastructure | Dec 14, 21 | Aug 06, 24 | Subsea 7 Limited |
12007044 | Subsea connection of pipeline sections | Jan 02, 20 | Jun 11, 24 | Subsea 7 (US) LLC; SHELL INTERNATIONAL EXPLORATION AND PRODUCTION INC.; TOTAL E&P RESEARCH & TECHNOLOGY USA, LLC; |
11867322 | Direct tie-in of subsea conduits and structures | May 20, 20 | Jan 09, 24 | EQUINOR ENERGY AS |
11828389 | Pipe spooling for reel-lay operations | Nov 28, 19 | Nov 28, 23 | Subsea 7 do Brasil Servicos Ltda Niteroi |
11796086 | Installation of subsea pipelines | Oct 27, 19 | Oct 24, 23 | Subsea 7 (US) LLC |
11781675 | Method for manufacture, assembly and continuous construction of pipe sections in a spoolbase with gradual movement | Mar 20, 20 | Oct 10, 23 | Not available |
11739863 | Bundle section of a pipe bundle for subsea installation | Dec 12, 17 | Aug 29, 23 | Subsea 7 Limited |
11725750 | Recovering used subsea pipelines | Jul 17, 20 | Aug 15, 23 | Subsea 7 Portugal Limitada |
11585070 | De-trenching apparatus | Oct 25, 18 | Feb 21, 23 | Not available |
11578817 | Method and system for laying a pipeline on the bed of a body of water | Sep 17, 19 | Feb 14, 23 | SAIPEM S.p.A. |
11555558 | Seafloor pipeline removal system and method | Apr 23, 21 | Jan 17, 23 | Not available |
11460127 | Method for controlling buckling in deepwater pipeline with inclined sleepers | Mar 23, 21 | Oct 04, 22 | SHELL USA, INC. |
11448341 | Pipelaying | Dec 08, 17 | Sep 20, 22 | Not available |