EP3416881A1 - Multi purpose bottom supported mobile offshore service platform and method - Google Patents
Multi purpose bottom supported mobile offshore service platform and methodInfo
- Publication number
- EP3416881A1 EP3416881A1 EP17753750.3A EP17753750A EP3416881A1 EP 3416881 A1 EP3416881 A1 EP 3416881A1 EP 17753750 A EP17753750 A EP 17753750A EP 3416881 A1 EP3416881 A1 EP 3416881A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- crane
- cantilever structure
- production platform
- mosp
- hull
- 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.)
- Withdrawn
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/02—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
- E02B17/021—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto with relative movement between supporting construction and platform
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/04—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
- E02B17/08—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
- E02B17/0818—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering with racks actuated by pinions
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B2017/0052—Removal or dismantling of offshore structures from their offshore location
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B2017/0056—Platforms with supporting legs
- E02B2017/006—Platforms with supporting legs with lattice style supporting legs
Definitions
- Bottom supported mobile offshore drilling units such as "jack up" rigs are known in the art for use in plugging and abandonment procedures for wells drilled beneath a body of water.
- a jack up rig drilling may be moved to a location of a production platform such as a bottom supported platform.
- the jack up hull is raised out of the water by jacking support legs coupled to the hull of the drilling unit the hull is raised to a selected elevation above the water surface.
- a cantilever structure comprising a drilling unit may be extended from a retracted position over the hull to an extended position over a recess in the profile of the hull and over the production platform.
- the cantilever structure 10D may comprise only the drilling unit 10B prior to refitting the MOSP 10 to be usable with methods according to the present disclosure.
- the MOSP 10 may be a conventional "jack up" type mobile offshore drilling unit having a drilling unit 10B on the cantilever structure 10D but excludes a crane on the cantilever structure 10D (although other components explained below may be present on such a cantilever structure).
- the cantilever structure 10D may have a crane, e.g., as shown at IOC attached to the existing cantilever structure 10D at a shipyard or similar facility.
- FIG. 2 shows a side elevation view of the MOSP 10 wherein the cantilever structure 10D is retracted partially from its extended position. In such position, the drilling unit 10B mast or derrick may be lowered, for example, by retraction of a vertically telescoping mast structure to provide additional working clearance for the crane IOC.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
- Automatic Assembly (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201662295549P | 2016-02-16 | 2016-02-16 | |
PCT/US2017/017953 WO2017142938A1 (en) | 2016-02-16 | 2017-02-15 | Multi purpose bottom supported mobile offshore service platform and method |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3416881A1 true EP3416881A1 (en) | 2018-12-26 |
EP3416881A4 EP3416881A4 (en) | 2019-10-02 |
Family
ID=59625430
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17753750.3A Withdrawn EP3416881A4 (en) | 2016-02-16 | 2017-02-15 | Multi purpose bottom supported mobile offshore service platform and method |
Country Status (7)
Country | Link |
---|---|
US (1) | US20190071829A1 (en) |
EP (1) | EP3416881A4 (en) |
AU (1) | AU2017221311A1 (en) |
BR (1) | BR112018016658A2 (en) |
CA (1) | CA3014600A1 (en) |
MX (1) | MX2018009914A (en) |
WO (1) | WO2017142938A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3688232B1 (en) * | 2017-09-28 | 2023-08-09 | Itrec B.V. | Plug and abandonment of one or more offshore platform wellbores of an offshore platform using a marine jack-up type vessel |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5419657A (en) * | 1992-05-08 | 1995-05-30 | Rowan Companies, Inc. | Method and apparatus for transferring a structure from a jack-up rig to a fixed platform |
US7083004B2 (en) * | 2002-10-17 | 2006-08-01 | Itrec B.V. | Cantilevered multi purpose tower and method for installing drilling equipment |
WO2005042914A1 (en) * | 2003-10-29 | 2005-05-12 | Saudi Arabian Oil Company | Blow out preventer transfer platform |
US9062500B2 (en) * | 2007-07-20 | 2015-06-23 | Schlumberger Technology Corporation | System and method to facilitate interventions from an offshore platform |
WO2012144952A1 (en) * | 2011-04-19 | 2012-10-26 | Primepoint Pte Ltd | A multi-functional jack up system for decommissioning an offshore platform |
WO2016076730A1 (en) * | 2014-11-13 | 2016-05-19 | Dwellop As | A device for well intervention |
-
2017
- 2017-02-15 CA CA3014600A patent/CA3014600A1/en not_active Abandoned
- 2017-02-15 MX MX2018009914A patent/MX2018009914A/en unknown
- 2017-02-15 BR BR112018016658A patent/BR112018016658A2/en not_active IP Right Cessation
- 2017-02-15 AU AU2017221311A patent/AU2017221311A1/en not_active Abandoned
- 2017-02-15 EP EP17753750.3A patent/EP3416881A4/en not_active Withdrawn
- 2017-02-15 WO PCT/US2017/017953 patent/WO2017142938A1/en active Application Filing
-
2018
- 2018-08-13 US US16/102,298 patent/US20190071829A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
AU2017221311A1 (en) | 2018-08-30 |
CA3014600A1 (en) | 2017-08-24 |
EP3416881A4 (en) | 2019-10-02 |
BR112018016658A2 (en) | 2018-12-26 |
WO2017142938A1 (en) | 2017-08-24 |
MX2018009914A (en) | 2019-02-07 |
US20190071829A1 (en) | 2019-03-07 |
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Legal Events
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
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17P | Request for examination filed |
Effective date: 20180822 |
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AX | Request for extension of the european patent |
Extension state: BA ME |
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DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20190902 |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: E02B 17/02 20060101ALI20190827BHEP Ipc: E21B 19/12 20060101ALI20190827BHEP Ipc: B63B 35/44 20060101AFI20190827BHEP Ipc: E21B 15/00 20060101ALI20190827BHEP Ipc: E02B 17/00 20060101ALI20190827BHEP |
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Effective date: 20200603 |