US20100135728A1 - Mobile offshore drilling and production platform - Google Patents
Mobile offshore drilling and production platform Download PDFInfo
- Publication number
- US20100135728A1 US20100135728A1 US12/278,253 US27825308A US2010135728A1 US 20100135728 A1 US20100135728 A1 US 20100135728A1 US 27825308 A US27825308 A US 27825308A US 2010135728 A1 US2010135728 A1 US 2010135728A1
- Authority
- US
- United States
- Prior art keywords
- platform
- mat
- hull
- caisson
- drilling
- 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.)
- Abandoned
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 56
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 24
- 238000003860 storage Methods 0.000 claims abstract description 19
- 238000012545 processing Methods 0.000 claims abstract description 15
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 14
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 14
- 239000004020 conductor Substances 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 15
- 230000003213 activating effect Effects 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 5
- 230000006641 stabilisation Effects 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 3
- 239000003351 stiffener Substances 0.000 claims description 3
- 239000013535 sea water Substances 0.000 claims description 2
- 239000004215 Carbon black (E152) Substances 0.000 abstract description 8
- 230000000284 resting effect Effects 0.000 abstract description 2
- 238000013341 scale-up Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000010779 crude oil Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011549 displacement method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
-
- 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
-
- 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
- E02B17/0809—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering the equipment being hydraulically actuated
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- 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
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/08—Underwater guide bases, e.g. drilling templates; Levelling thereof
-
- 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
- E02B2017/0039—Methods for placing the offshore structure
-
- 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
-
- 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
- E02B2017/0073—Details of sea bottom engaging footing
- E02B2017/0082—Spudcans, skirts or extended feet
-
- 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
- E02B2017/0073—Details of sea bottom engaging footing
- E02B2017/0086—Large footings connecting several legs or serving as a reservoir for the storage of oil or gas
Definitions
- the present invention relates to a mobile offshore oil drilling and production platform.
- a small or marginal field can be defined as a field that may not produce enough net income to make it worth developing at a given time; dependent upon a combination of technical, commercial, regulatory, production sharing terms and also company's own Internal Rate of Return.
- Conventional offshore platforms are built from components that are transported separately from fabrication sites to offshore sites where they are put together utilizing barge mounted heavy lift cranes and/or jack-up drilling rig mounted derricks.
- MOPU Mobile Offshore Production Unit
- the MOPU is used adjacent to a wellhead platform that supports drilling operation. Hydrocarbons extracted via the wellhead platform are sent to the MOPU for separation and further conditioning before being returned to the wellhead platform for onward transportation to a pipeline network or a Floating Storage and Offloading (FSO) vessel.
- FSO Floating Storage and Offloading
- the MOPU can only be operational where a pre-installed wellhead platform with risers linked to a pipeline network or if an FSO is present. For marginal fields and medium sized fields in remote locations where a pipeline network is non-existent, the high costs associated with the installation and de-installation of the wellhead platform and an FSO will not make the project economically viable.
- a mobile offshore oil drilling and production platform wherein the platform includes a hull and a mat, wherein the mat is connected to at least one connecting leg substantially vertical upstanding from the mat to the hull and the mat includes at least one ballast compartment to be filled with sea water or compressed air in the platform characterized in that a drilling template attached to the hull and mat by connecting means wherein a drilling template is removeably attached to the hull and mat and the at least one connecting leg is provided with at least a stiffener, wherein the load of the platform is transferred over a substantially large area of the mat and then to seabed.
- Also provided is a method of installing the mobile offshore oil drilling and production platform wherein the method includes the steps of adjusting ballast levels in the hull and the mat's ballast chambers to achieve all required conditions for the platform to be towed to an offshore installation site, securing parts of the platform such as the legs and caisson by securing means such as sea-fastening for the tow, towing the platform to the site, removing the securing means such as seafastening, adjusting the ballast levels to achieve all required conditions, activating the heightening means so that the mat, legs and the caisson or the conductor subsea support frame to be lowered from underneath the hull to the seabed, de-activating a subsea clamp holding the caisson to the mat, to allow the caisson to self-penetrate, re-activating the clamp to provide lateral support for the caisson, fully de-ballasting the hull and activating the heightening means to elevate the hull to a desired height.
- securing parts of the platform such as the
- the method of de-installing includes the steps of securing the wellhead deck to the caisson or conductors by a securing means, detaching the drilling template from the hull, de-activating a subsea clamp holding the caisson or the securing means to release the conductor subsea support frame from the mat, activating the heightening means so that the hull is lowered to substantially the sea level, removing any adhesion caused by soil-in areas surrounding the mat, activating the heightening means so that the mat and the legs are returned from the sea-bed to underneath the floating hull, and re-adjusting the platform to required conditions for towing to the next destination.
- FIG. 1 is a diagrammatic view of a Mobile Offshore Production Storage and Offloading Unit (MOPSU) platform with caisson according to the preferred embodiment of the present invention
- MOPSU Mobile Offshore Production Storage and Offloading Unit
- FIG. 2 is a diagrammatic view of the MOPSU platform with conductors according to the preferred embodiment of the present invention
- FIG. 3 is a cross-sectional view of the MOPSU platform with conductors
- FIG. 4 is a top view of the hull with the conductors
- FIG. 5 is a top view of the mat with the conductors.
- FIG. 6 is cross-sectional view of the connecting legs connected to the mat.
- the present invention relates to a mobile offshore oil drilling and production platform.
- a detailed description of preferred embodiments of the invention is disclosed herein. It should be understood, however, that the disclosed preferred embodiments are merely exemplary of the invention, which may be embodied in various forms. Therefore, the details disclosed herein are not to be interpreted as limiting, but merely as the basis for the claims and for teaching one skilled in the art of the invention.
- the present invention relates to a mobile offshore oil drilling, production and storage platform that allows a field operator to cope with uncertainty and economically develop a small or marginal oil field typically located in a remote location. More particularly, the invention relates to a versatile platform which includes a hull extending above the level of sea to house hydrocarbon extracting and scale up or scale down hydrocarbon processing system modules and equipment with provisions to drill new wells and work-overs using modular portable vertical drilling rigs or conventional rigs, connected to a mat acting as the foundation resting on the seabed which may or may not incorporate storage, using tubular legs, and provision to even abandon the field with minimal costs and disruption.
- the present invention also relates to a method of installing and de-installing the oil drilling, production and storage platform.
- the present invention provides a Mobile Offshore Production Storage and Offloading Unit (MOPSU) platform and seeks to overcome the challenges and uncertainties surrounding small and marginal field developments.
- MOPSU Mobile Offshore Production Storage and Offloading Unit
- the present invention also eliminates the need for a FSO vessel by providing storage facility as an integrated feature of a mat.
- FIG. 1 is a diagrammatic view of a Mobile Offshore Production Storage and Offloading Unit (MOPSU) platform with caisson according to the preferred embodiment of the present invention
- FIG. 2 is a diagrammatic view of the MOPSU platform with conductors according to the preferred embodiment of the present invention
- FIG. 3 is a cross-sectional view of the MOPSU platform with conductors
- FIG. 4 is a top view of the hull with the conductors
- FIG. 5 is a top view of the mat with the conductors
- FIG. 6 is cross-sectional view of the connecting legs connected to the mat.
- the MOPSU platform includes a hull ( 12 ) and a mat ( 14 ).
- the hull ( 12 ) and the mat ( 14 ) are connectable with legs ( 16 ).
- the hull ( 12 ) includes facilities for drilling and processing hydrocarbons, accommodation quarters, offices and other facilities.
- the legs ( 16 ) penetrate into the mat ( 14 ) and transfer the load through a reticulated network of stiffeners. This enables the mat ( 14 ) to take the load from topsides through the legs ( 16 ) to the sea bed.
- the mat comprises a minimum of one ballast chamber ( 20 ), each connectable to one terminal end region of each connecting leg ( 16 ) upstanding from the ballast chamber ( 20 ) to above the hull.
- the ballast chamber ( 20 ) is integrated to form a steel mat which will be used for stability during towing of the MOPSU.
- the mat ( 14 ) is lowered by ballasting and strand-jacking until it reaches the seabed.
- the mat ( 14 ) is then fully ballasted to allow it to sink into the seabed to attain equilibrium.
- the mat ( 14 ) will then serve as the foundation for the MOPSU, supporting the legs ( 16 ) and the facilities on the hull ( 12 ).
- the present invention preferably includes four ballast chambers ( 20 ) and four connecting legs ( 16 ).
- the ballast chambers ( 20 ) are connected via piping rings and any one chamber can be by-passed or switched with another by operating the valves on the piping rings.
- the connecting means used are known in prior art and will not be described herein.
- the ballast chambers ( 20 ) preferably should include at least one oil storage compartment, at least one air pressure compartment and at least one ballast compartment.
- the ballasting and de-ballasting operations can be performed by water/air and air/water displacement methods, respectively.
- the air pressure compartment will be filled with water.
- compressed air will be produced and channeled through the pipes to displace the water.
- the ballast chambers ( 20 ) are fitted with appropriate sensors for monitoring of the ballasting and de-ballasting processes.
- the oil storage compartment is for storing separated and stabilized crude oil. Extracted oil from the oil wells is transported to the hull for separation and stabilization processes. After that, the oil is transported to the mat ( 14 ) and stored in the oil storage compartment. The oil is then offloaded to a shuttle tanker via hoses on a periodic basis.
- the primary function of the legs ( 16 ) is to support the hull ( 12 ).
- the legs ( 16 ) can also be used as conduits for piping, umbilical and cables between the hull ( 12 ) and the mat ( 14 ).
- the MOPSU supports three different types of drilling systems.
- the hull ( 12 ) is designed to withstand loads imposed by tender assisted drilling rig and self-erecting modular drilling rig.
- Self-erecting drilling rigs e.g. DrillTech produced by Streicher Group, are commonly used for onshore drilling works. However, these can be marinised and certified for offshore use.
- the entire drilling package can be modularized into six modules with each module the size of a 12.2 m (40′) container.
- the use of the portable modular drilling rig eliminates the need for expensive jack up and self erecting drilling rigs.
- the modules are removed and replaced by hydrocarbon processing systems and equipment.
- the hydrocarbon processing systems and equipment is constructed in the form of compact modules that are easily handled, tested and integrated prior to being shipped to their offshore location.
- the hydrocarbon processing systems and equipment provide a stage by stage “building block” method of field development. As each modular processing unit is an integrated autonomous unit, it enables total integration testing to be undertaken in factory before deployment, thus increasing reliability and reducing installation and commissioning time.
- the modular processing units may be of the general type forming part of modular system for sub-sea use designed by Alpha Thames limited of Essex, United Kingdom, and referred to as AlphaPRIME.
- the modular processing units can be of two-phase and/or three-phase separation module and a booster pump with single well flow measurement.
- the modular processing unit for separation fluid mixtures is described in EP 1555387.
- the modular processing unit can accommodate sand removal as described in WO 03/041838 A1 and possibly a gas compressor.
- any new technology can be included into an existing system at a later date, when it becomes available, whilst production continues uninterrupted.
- the modular processing unit can be progressively exchanged in the same way, in order to re-configure in response to changes of field characteristics or in order to incorporate the latest technology for optimum production.
- a self-installing drilling template ( 22 ) which can be removeably attached to be a stand-alone wellhead platform has been added to the MOPSU as an enhanced feature.
- the self-installing drilling template is made up of a wellhead deck ( 24 ) removeably attached to the hull ( 12 ) of the MOPSU and a caisson subsea clamp or a conductor subsea support frame ( 32 ) removeably attached to the mat ( 14 ) of the MOPSU.
- the self-installing drilling template ( 22 ) is to be used to support conductors ( 26 ) or a caisson ( 28 ) containing drilling casings.
- a caisson ( 28 ) can be pre-installed onto the MOPSU at the fabrication site and towed to the offshore site together with the MOPSU.
- the caisson ( 28 ) is clamped at the mat ( 14 ) and secured at the wellhead deck ( 24 ) during tow.
- drilling conductors ( 26 ) can be driven or drilled through the drilling template ( 22 ), and casings run inside the drilling conductors ( 26 ) instead of the caisson ( 28 ).
- the MOPSU platform supports both the above options for drilling template.
- the MOPSU is self-installing and thus the timing for installation and de-installation does not have to coincide with availability of a derrick barge or a jack-up drilling rig.
- the MOPSU comprising of the hull ( 12 ), mat ( 14 ), legs ( 16 ), caisson ( 28 ), wellhead deck ( 24 ) and sub-sea support clamp (for MOPSU with caisson)/frame ( 32 ) (for MOPSU with conductors), is constructed and assembled at a fabrication yard and its quayside before towing to an offshore installation site as an integrated unit.
- strand jacks are installed and the ballast levels in the hull ( 12 ) and the mat's ballast chambers are adjusted to achieve the required draft and trim for the tow to offshore installation site. Then the legs ( 16 ), caisson ( 28 ), flare tower, etc. are secured for the tow by sea-fastening. The fully assembled MOPSU is then towed by one or two tugs. Upon reaching the destination, the sea-fastening is removed and ballast levels adjusted to achieve even trim. The strand jacks are then activated and ballasting commences to lower the mat ( 14 ), legs ( 16 ) and the caisson ( 28 ) to the seabed.
- ballast chambers ( 20 ) in the mat ( 14 ) are then fully ballasted to allow the mat ( 14 ) to sink.
- the sub-sea clamp holding the caisson ( 28 ) is released to allow the caisson ( 28 ) to self-penetrate into the soil until it becomes self-standing.
- the sub-sea clamp will then be re-activated to provide lateral support for the caisson ( 28 ).
- the hull ( 12 ) is then fully de-ballasted and jacked-up to the desired height to provide adequate air gap.
- the strand jacks are then deactivated and disconnected for use at another MOPSU.
- the platform is then secured and prepared for drilling activities to extract hydrocarbons from the target reservoirs.
- the extracted hydrocarbons are transported to the hull ( 12 ) for separation and stabilization before storing the crude oil in the mat.
- a shuttle tanker is mobilized and the crude oil is offloaded using hoses.
- the wellhead deck ( 24 ) can be secured to the drilling caisson ( 28 ) by way of welding or any other securing means and is then detached from the hull ( 14 ).
- the sub-sea clamp will then be de-activated and the MOPSU de-installed to leave the offshore site.
- the caisson ( 28 ) will then be self-standing and supporting the wellhead deck ( 24 ) for further well intervention and workovers.
- conductors ( 26 ) are used instead of the caisson ( 28 )
- the wellhead deck ( 24 ) can be welded to the conductors ( 26 ) and detached from the hull ( 12 ).
- the guide frame at the mat ( 14 ) can similarly be released and the MOPSU can be de-installed to leave the conductors free-standing to support the hull ( 12 ).
- the de-installation of the MOPSU is essentially a reverse of the installation procedure.
- water jets will have to be used to break-out the consolidated clay layer below the mat ( 14 ).
- Strand jacks are then activated and the mat ( 14 ) and legs ( 16 ) jacked-up.
- the hull ( 12 ) is then jacked down to sea level, draft and trim adjusted and tug (s) connected for the tow to the next destination.
- the caisson ( 28 ) or conductors ( 26 ) that support the wellhead deck ( 24 ) will then be stand-alone for further well intervention and workovers or abandonment. Further production can be planned with much higher certainty based on the performance achieved via the MOPSU.
- the MOPSU clearly from the descriptions above offers total flexibility at optimal cost by providing drilling to be carried out and upon completion allowing hydrocarbon processing to be carried out with the stabilized crude stored in the integrated storage tanks, all by the same unit.
- the self installing drilling template further offers scaling up or cost effective abandonment with the MOPSU deployed elsewhere.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Ocean & Marine Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Combustion & Propulsion (AREA)
- Architecture (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/MY2008/000043 WO2009139615A1 (fr) | 2008-05-14 | 2008-05-14 | Plateforme mobile de forage et de production en mer |
Publications (1)
Publication Number | Publication Date |
---|---|
US20100135728A1 true US20100135728A1 (en) | 2010-06-03 |
Family
ID=41318877
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/278,253 Abandoned US20100135728A1 (en) | 2008-05-14 | 2008-05-14 | Mobile offshore drilling and production platform |
US12/943,412 Expired - Fee Related US8403058B2 (en) | 2008-05-14 | 2010-11-10 | Offshore unit and method of installing wellhead platform using the offshore unit |
US13/782,007 Expired - Fee Related US8689881B2 (en) | 2008-05-14 | 2013-03-01 | Offshore unit and method of installing wellhead platform using the offshore unit |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/943,412 Expired - Fee Related US8403058B2 (en) | 2008-05-14 | 2010-11-10 | Offshore unit and method of installing wellhead platform using the offshore unit |
US13/782,007 Expired - Fee Related US8689881B2 (en) | 2008-05-14 | 2013-03-01 | Offshore unit and method of installing wellhead platform using the offshore unit |
Country Status (8)
Country | Link |
---|---|
US (3) | US20100135728A1 (fr) |
EP (3) | EP2313605B1 (fr) |
CN (1) | CN102089493B (fr) |
AU (1) | AU2009247102B2 (fr) |
BR (1) | BRPI0912621A2 (fr) |
MX (1) | MX340779B (fr) |
MY (2) | MY145005A (fr) |
WO (2) | WO2009139615A1 (fr) |
Cited By (9)
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US20110017695A1 (en) * | 2008-11-19 | 2011-01-27 | GeoSea N.V. | Jack-up offshore platform and a method for assembling and servicing a wind turbine |
EP2463794A1 (fr) | 2011-02-11 | 2012-06-13 | Modi Vivendi AS | Procédés et systèmes pour configuration optimisée de parc éolien |
WO2013045640A1 (fr) | 2011-09-29 | 2013-04-04 | Aker Engineering & Technology As | Structure pour opération en mer et procédé d'installation d'une structure flottante en mer |
CN103397622A (zh) * | 2013-07-29 | 2013-11-20 | 宏华海洋油气装备(江苏)有限公司 | 一种自升式平台桩腿及其安装方法 |
CN104250968A (zh) * | 2013-06-26 | 2014-12-31 | 上海利策海洋工程技术有限公司 | 自安装吸力桩式可移动平台结构 |
US20150104259A1 (en) * | 2013-09-09 | 2015-04-16 | Fontain M. Johnson | Method of construction, installation, and deployment of an offshore wind turbine on a concrete tension leg platform |
CN104832122A (zh) * | 2015-03-13 | 2015-08-12 | 美钻能源科技(上海)有限公司 | 一种水下泥层可回收多级伸缩固定腿 |
CN105113475A (zh) * | 2015-08-19 | 2015-12-02 | 广东精铟海洋工程股份有限公司 | 海上平台悬臂梁辅助液压支撑系统 |
US20180313339A1 (en) * | 2015-10-19 | 2018-11-01 | Christophe STEVENS | Electric Energy Generation And Storage System For Aquatic And Subaquatic Environment |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100135728A1 (en) * | 2008-05-14 | 2010-06-03 | Kingtime Interanational Limited | Mobile offshore drilling and production platform |
DK2354321T3 (en) * | 2010-01-13 | 2014-10-20 | Geosea Nv | Method of providing a foundation for an elevated mass, and assembly of a jack-up platform and a framed template for carrying out the method. |
NL2004402C2 (en) * | 2010-03-16 | 2011-09-20 | Mammoet Europ B V | Semisubmersible and method of its operation. |
DE102010019908A1 (de) * | 2010-05-04 | 2011-11-10 | Siemens Aktiengesellschaft | Grundrahmen für eine selbstaufstellende Meeresplattform |
GB2502463B (en) * | 2011-01-14 | 2016-04-20 | Glosten Solutions Inc | Installation method for water-submersible platforms and installation vessel |
SG10201602165RA (en) * | 2011-10-05 | 2016-04-28 | Seahorse Equip Corp | Method and apparatus for drilling multiple subsea wells from an offshore platform at a single site |
ITMI20112130A1 (it) * | 2011-11-23 | 2013-05-24 | Saipem Spa | Sistema e metodo per eseguire un programma di perforazione di pozzi subacquei in un letto di un corpo d'acqua e unita' galleggiante ausiliaria |
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US20110017695A1 (en) * | 2008-11-19 | 2011-01-27 | GeoSea N.V. | Jack-up offshore platform and a method for assembling and servicing a wind turbine |
EP2463794A1 (fr) | 2011-02-11 | 2012-06-13 | Modi Vivendi AS | Procédés et systèmes pour configuration optimisée de parc éolien |
WO2013045640A1 (fr) | 2011-09-29 | 2013-04-04 | Aker Engineering & Technology As | Structure pour opération en mer et procédé d'installation d'une structure flottante en mer |
CN104250968A (zh) * | 2013-06-26 | 2014-12-31 | 上海利策海洋工程技术有限公司 | 自安装吸力桩式可移动平台结构 |
CN103397622A (zh) * | 2013-07-29 | 2013-11-20 | 宏华海洋油气装备(江苏)有限公司 | 一种自升式平台桩腿及其安装方法 |
US20150104259A1 (en) * | 2013-09-09 | 2015-04-16 | Fontain M. Johnson | Method of construction, installation, and deployment of an offshore wind turbine on a concrete tension leg platform |
US9856621B2 (en) * | 2013-09-09 | 2018-01-02 | Dbd Systems, Llc | Method of construction, installation, and deployment of an offshore wind turbine on a concrete tension leg platform |
CN104832122A (zh) * | 2015-03-13 | 2015-08-12 | 美钻能源科技(上海)有限公司 | 一种水下泥层可回收多级伸缩固定腿 |
CN105113475A (zh) * | 2015-08-19 | 2015-12-02 | 广东精铟海洋工程股份有限公司 | 海上平台悬臂梁辅助液压支撑系统 |
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US10669998B2 (en) * | 2015-10-19 | 2020-06-02 | Christophe STEVENS | Electric energy generation and storage system for aquatic and subaquatic environment |
Also Published As
Publication number | Publication date |
---|---|
EP2514913B1 (fr) | 2013-11-27 |
MY145005A (en) | 2011-12-08 |
US8689881B2 (en) | 2014-04-08 |
MX340779B (es) | 2016-07-25 |
EP2514914B1 (fr) | 2015-10-14 |
WO2009139616A8 (fr) | 2010-06-17 |
WO2009139615A1 (fr) | 2009-11-19 |
WO2009139616A3 (fr) | 2010-08-19 |
EP2514914A1 (fr) | 2012-10-24 |
EP2514913A1 (fr) | 2012-10-24 |
CN102089493A (zh) | 2011-06-08 |
MX2010012373A (es) | 2010-12-06 |
US8403058B2 (en) | 2013-03-26 |
AU2009247102B2 (en) | 2016-01-28 |
EP2313605A2 (fr) | 2011-04-27 |
AU2009247102A1 (en) | 2009-11-19 |
EP2313605B1 (fr) | 2013-10-02 |
WO2009139616A2 (fr) | 2009-11-19 |
MY145004A (en) | 2011-12-08 |
BRPI0912621A2 (pt) | 2018-05-22 |
US20130177358A1 (en) | 2013-07-11 |
US20110168402A1 (en) | 2011-07-14 |
CN102089493B (zh) | 2014-03-26 |
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