• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    OFFSHORE VESSEL FOR IMPLEMENTATION AND RECOVERY OF EQUIPMENT The present invention is related to a single hull vessel for the recovery and implementation of equipment in the offshore region, comprising a deck platform with an upper deck (2) at its top, said upper deck having a lifting and lowering device (3, 3 '), a hull / pontoon (1) at the base of said vessel, the vessel being characterized by the fact that said hull / pontoon (1) is connected to the deck platform by a plurality of columns (4) and said hull / pontoon (1) is made of a single piece and is continuous, in order to form the platform of a lower deck (5), the upper deck and the lower deck being configured to allow the lifting of equipment and the lowering of equipment in it.
    公开号:BR112012005671B1
    申请号:R112012005671-9
    申请日:2010-07-09
    公开日:2020-11-17
    发明作者:Eide Georg
    申请人:Flex Design As；
    IPC主号:
    专利说明:

    Field of the Invention
    [001] The present invention, in general, refers to a vessel for the recovery and implementation of equipment in the offshore region. The vessel is semi-submersible and can function as a normal navigation vessel in a non-submerged condition. The present invention also refers to a method of retrieving and implementing equipment in the offshore region, using this semi-submersible vessel. Specifically, the present invention provides an offshore vessel in accordance with the preamble of claim 1 and also a method of implementing and retrieving equipment in the offshore region, without submitting the lifting and lowering equipment and devices to the dynamic forces in the splash zone. of water / water surface area, according to the preambles of claims 14 and 16. Technical Background of the Invention
    [002] In offshore regions, the use of vessels for the implementation and recovery of heavy equipment is well known. These heavy equipment are known to correlate with oil and gas exploration and production, mining and mineral exploration, drilling operations, etc.
    [003] Thus, for example, the patent document WO 2010/020026 A2 discloses a catamaran type vessel with a double environment, having a common deck and bridge for loading and unloading operations in the oil sector. However, this vessel is not suitable for offshore areas, where the waves reach even ten meters in height, as, for example, in the North Sea. In these areas, where the sea is known to be adverse, single hull offshore vessels have been tried for use, such as those disclosed in patent documents WO 2009/102197 and WO 2009/102196. However, over the years, it has been observed that these single hull offshore vessels, such as those disclosed in these two publications, are not suitable for many offshore operations, particularly in areas of adverse sea, such as the North Sea, Brazil and Gulf of Mexico, taking into account stability and security considerations.
    [004] Semi-submersible vessels for use in various types of offshore work are known in the technical segment. These vessels are particularly useful in offshore regions where the sea is adverse. It is also known that these semi-submersible vessels are designed taking into account aspects of security and stability, which are extremely important in these offshore areas of adverse sea. Thus, for example, patent document WO 99/12807 discloses a semi-submersible vessel model that provides a strong and substantially rigid base to support the deck or decks of the superstructure. WO 2009/084950 discloses semi-submersible vessels that do not have strut beams. WO 85/03050 discloses a geometrically improved semi-submersible vessel, having a floating central column that is arranged centrally around the central drilling column. This model significantly reduced the swing movement due to the sea situation. The patent document WO 99/57011 discloses a model of a semi-submersible vessel that guarantees safety of the mineral exploration platform that it supports. WO 2007/097611 discloses a semi-submersible vessel that features a hull section assembly, support structure and deck structure, the deck structure featuring reinforcements to withstand storms.
    [005] However, some fundamental disadvantages have been noted with respect to the vessels described in the previous paragraph and similar vessels. First, the design of these vessels involves very high costs and a long project implementation time so that adequate safety conditions are observed, in adverse weather and sea conditions. In addition, this involves the use of large cranes and lifting gears, which adds costs and operational inconveniences. In addition, the existing vessels present varying draft conditions in the ports, basically, flat-type barges with a lot of movement, which become unreliable in markedly adverse weather conditions, despite all the maneuvers performed. In addition, these vessels are not ship-shaped and, therefore, cannot move effectively as normal navigation vessels in submerged conditions, as it has always been accepted that ship-shaped vessels are less suitable for the various offshore operations. In addition, the implementation and recovery of heavy equipment disposed on these vessels results in the equipment and lifting / lowering devices being subjected to dynamic forces in the splash zone.
    [006] These vessels referred to in the previous paragraph are also known for not having an optional temporary port, which works on the same principle as a main vessel, to accommodate crewmembers vessels, supply vessels and / or other vessels, for the safe transfer of crew and material. US Patent 5,215,024 discloses an anchorage-type installation for use in the open sea, to moor a ship or similar vessel, but it is mainly directed to the purpose of maritime base for the purpose of defense. The anchorage-type installation features a floating platform, having a confined area to receive the vessel. The movement of the vessel is coupled with the movement of the platform, so that the relative movement between the vessel and the platform is relatively reduced. This technology does not disclose a semi-submersible vessel for offshore activities, which substantially reduces the disadvantages of the state of the art substantially to zero, as disclosed in the previous paragraph, and which simultaneously presents an optional temporary port that works on the same principle as the vessel main, for accommodation of crew vessels, supply vessels and other vessels for the safe transfer of crew and materials. The same observations are seen as satisfactory with respect to the technology disclosed in patent documents US 2006/0086304 and WO 93/04914. The first document discloses a vessel to help drifting vessels. The rescue vessel features an elongated basin and a ballast device. Two side hulls are arranged around the basin and delimiting an upper edge of the rescue vessel. When the vessel to be rescued is emptied, the upper edge of the rescue vessel is above sea level. When a vessel is to be rescued, the upper edge of the rescue vessel is below the keel of the drifting vessel. Although it is stated in US patent document 2006/0086304 that these rescue boats can be used in connection with drilling and production platform parts and platforms, there is no clear lesson regarding semi-submersible vessels for offshore activities, which it substantially reduces the disadvantages of the state of the art substantially to zero, as disclosed in the previous paragraph and, simultaneously, it presents an optional temporary port that works with the same principle as the main vessel, for accommodating crew vessels, supply vessels and other vessels , for the safe transfer of crew and materials. The same observations are also satisfactory in relation to the patent document WO 93/04914, which discloses a model of jumbo barge vehicle, with rapid lifting from the sea and featuring a port system, having a double trapezoidal hull model. This model includes a barge-carrying vessel, at least one cargo-carrying barge, a transportable port system and a walkway. This model correlates with rapid transportation and the availability of extremely large quantities of cargo necessary to meet humanitarian, economic and military contingencies, and if closely observed, it does not refer to a semi-submersible vessel for the recovery and implementation of equipment in the region. offshore, which is the main subject of the present invention.
    [007] Consequently, there is a great need to design a semi-submersible vessel, which substantially reduces the mentioned drawbacks described in general substantially to zero and which, specifically, is an established single hull column unit, which is cost-effective, stable and reliable in extremely adverse sea conditions, and yet adapted to sail as a vessel with a low draft and relatively high speed, in a non-submerged condition. Also, it is observed and felt a great need to develop a semi-submersible vessel that has the shape of a ship, and that is simultaneously adapted to be used effectively and in a wide range of offshore applications. In addition, there is a great need to design a semi-submersible vessel that substantially reduces the inconveniences of known semi-submersible vessels to almost zero and, at the same time, presents an optional temporary port that works on the same principle as the main vessel, for accommodation of crew vessels, supply vessels and other vessels, for the safe transfer of crew and materials. Also, there is a felt and great need to make available a method for the implementation and recovery of heavy water equipment, in offshore operations, without subjecting the lifting and lowering equipment and devices to the dynamic forces of the splash zone / water line. , when submersion and recovery of the section through water, instead of the usual method of lowering through the water line.
    [008] The present invention thus meets the needs mentioned above and other associated needs, and the construction of a stabilized semi-submersible vessel with a single hull column, as will be disclosed below, as a result of the present invention. Objectives of the Invention
    [009] The present invention aims to meet the needs mentioned above, not taught by the state of the art, by providing a single-hull vessel specially built, for implementation and recovery of equipment in the offshore region, whose vessel, due to the fact of its specially configured construction , guarantees that the disadvantages cited by the state of the art, as discussed above, are substantially reduced and eliminated.
    [010] Another objective of the present invention is to provide a single hull vessel for the implementation and recovery of equipment in the offshore region, which is stable and reliable in extremely adverse sea conditions.
    [011] Another objective of the present invention is to provide a single hull vessel for the implementation and recovery of equipment in the offshore region, which has a cost-effective cost model and which can guarantee the implementation and recovery of equipment without any splashing effect. .
    [012] Another objective of the present invention is to provide a single hull vessel for the implementation and recovery of equipment in the offshore region, which is adapted as a vessel with a low draft at a relatively high speed in the non-submerged condition.
    [013] An additional objective of the present invention is to provide a single hull vessel for the implementation and recovery of equipment in the offshore region, which is a stabilized single hull column unit, has the shape of a ship and is simultaneously adapted to be used effectively in a wide range of offshore applications.
    [014] Another objective of the present invention is to provide a single hull vessel for the implementation and recovery of equipment in the offshore region, which has an optional temporary port and works on the same principle as the main vessel, for accommodation of crew members, vessels supply and other vessels, for the safe transfer of crew and materials.
    [015] Another objective of the present invention is to provide a method for implementing and recovering heavy water equipment in offshore operations, without subjecting the equipment and the lifting / lowering devices to the dynamic forces of the splash zone, by submerging and recovering the section through the water, instead of the usual method of raising / lowering through the water line.
    [016] An additional objective of the present invention is to provide a new hull / pontoon for use in a single hull vessel, for implementation and recovery of equipment in the offshore region, which is stable and reliable in extremely adverse sea conditions.
    [017] Furthermore, the present invention discloses some advantageous features not yet disclosed by the state of the art.
    [018] Throughout this report and including the claims, the words "vessel / unit", "deck platform", "single hull", "upper deck", "lower deck", "hull / pontoon", "columns "," temporary port ", must be interpreted in the broadest sense of the respective terms and include all similar items known in the technical field by other terms, as is evident to those skilled in the art. Any restrictions or limitations, if any, referred to in this report, are given by way of example only and in accordance with the understanding of the present invention. In addition, it should be understood by those skilled in the art that the terms "ship", "ship shape", "ship type format", in accordance with the present invention, must be interpreted as referring to normal navigation vessels, as it is known to those skilled in the art. The present invention explains in places in the present Comprehensive Report, that references to "ship", "ship shape", "ship type format", are presented only for shortening the understanding and not for imposing any limitations. Summary of the Invention
    [019] According to a first aspect of the present invention, a single hull vessel is provided for the implementation and recovery of equipment in the offshore region, comprising a deck platform, with an upper deck at its top, said upper deck having a lifting and lowering unit, and a hull / pontoon at the base of said vessel. According to the invention, the case / pontoon is connected to the deck platform by means of a plurality of columns. The hull / pontoon is made of a single piece, being continuous to form the platform for a lower deck. The upper deck and the lower deck are configured to allow raising and lowering the deck and the deck, respectively.
    [020] According to an advantageous embodiment of the first aspect of the present invention, the vessel is adapted to submerge and to move the lower deck upwards, to and from a desired depth, below the water level.
    [021] Preferably, the columns are from 4 to 10, and the assembly of the upper deck, the deck platform, the lower deck is designed in coherence with the hull / pontoon, which is similar to the hull of a ship and it is submersible, in order to link a vessel-type format to said vessel in its entirety, in which said vessel is adapted to function as a normal navigation vessel in the non-submerged condition.
    [022] According to another advantageous modality of the first aspect of the present invention, the deck platform has an engine compartment, a large space for said equipment, accommodation units and has a helipad on said upper deck.
    [023] In accordance with an additional advantageous modality of the first aspect of the present invention, the hull / pontoon has ballast tanks, fuel tanks, drinking water tanks and buoyancy engine compartment, and said lower deck also has a deck bow castle.
    [024] More specifically, the ballast tanks are provided in the lower hull and in the parts of said columns.
    [025] According to another advantageous embodiment of the first aspect of the present invention, the displacement in the submerged condition of the vessel is approximately 45,000 tons, and the load capacity of said upper deck is 6,000 to 8,000 tons and the "moon pool" (swimming pool) is arranged from said upper deck to the base hull.
    [026] In accordance with another advantageous embodiment of the first aspect of the present invention, the vessel is provided in its region near the stern of a temporary port unit, for crew vessels, supply vessels or other vessels.
    [027] Preferably, the port unit comprises a gate gate arrangement at the end of said region near the stern, being provided with a protection area.
    [028] More preferably, the temporary port is adapted to be moored in a pointed tower type system.
    [029] The vessel according to the present invention is adapted to be used as any of or among a combination of two or more construction vessels for use in deep sea, intervention vessel, construction vessel, drilling unit, vessels type AHTS (Towing Supply and Anchor Handling), heavy equipment lifting vessel, windmill installation vessel, pipeline layer, deep water mining vessel, accommodation vessel unit, and small vessels.
    [030] According to a second aspect of the present invention, there is provided a method of submerging equipment (s) in the water, without subjecting the equipment and the lifting / lowering devices to the dynamic forces of the splash zone in the offshore region, said method comprising the provision of a stabilized semi-submersible vessel with a single hull column, having a deck platform with an upper deck at its top, which features a lifting device and a lowering device, a hull / pontoon at the base of the said vessel, similar to the hull of a ship and which is submersible, said hull / pontoon being connected to the deck platform through a plurality of columns, said hull / pontoon being made of a single piece and being continuous, in order to form the platform for a lower deck, the upper deck being configured to allow the lowering of equipment from it on the lower deck, said vessel being adapted to submerge said deck less than a desired depth below the water level, in the case of placing said equipment on the lower deck, and to raise and lower said equipment from the lower deck thus submerged, through said lifting and lowering device arranged on the deck higher. According to the invention, the method involves: b) placing said equipment (s) on said lower deck from said upper deck, by means of said lifting and lowering unit; c) submerge the lower deck to the desired depth below the water level; d) implement the lifting device and lift said equipment (s) partially above said lower deck; e) rotate said equipment (s) and lower it (s) into the water using the lowering device.
    [031] According to a third aspect of the present invention, there is provided a method for recovering submerged equipment through water, without subjecting the equipment and the lifting / lowering devices to dynamic forces in the splash zone in the offshore region, said method comprising the provision of a stabilized semi-submersible vessel with a single hull column, having a deck platform with an upper deck at its top, said upper deck featuring a lifting device and a lowering device, a hull / pontoon in the base of said vessel, similar to the hull of a ship and which is submersible, said hull / pontoon being connected to the deck platform through a plurality of columns, said hull / pontoon being made of a single piece and being continuous, in a way forming the platform for a lower deck, the upper deck and the lower deck being configured to allow the lifting of equipment from it. According to the invention, the method involves: submerging said vessel, so that the lower deck is at a desired depth, below the water level; lifting and placing said equipment (s) on said lower water deck, through said lifting and lowering device; move the vessel over the water, so that the lower deck is above the water level.
    [032] In accordance with a fourth aspect of the present invention, a hull / pontoon is provided for use in a single hull vessel, in accordance with the first aspect of the present invention, recovery and implementation of equipment in the offshore region. According to the fourth aspect of the present invention, the hull / pontoon is made of a single piece, being continuous, in order to form the platform for a lower deck and said hull / pontoon is designed to have the shape of a ship's hull . Brief Description of the Figures
    [033] Having already described the main characteristics of the invention above, a more detailed and non-limiting description of some exemplary modalities will be presented below, making reference to the attached drawings, in which: figure 1 is a perspective view of the single hull vessel, according to a preferred embodiment of the present invention; figure 2 shows another perspective view of a preferred embodiment of the single hull vessel, according to the present invention, operating in an offshore region; figures 3 to 5 illustrate different stages in the order of a preferred method for submerging heavy equipment in an offshore region, according to the present invention; figure 6 shows a view of the temporary port in the region near the stern of the single hull vessel, according to the present invention, with open hatch gates; and figure 7 illustrates another view of the temporary port in the region near the stern of the single hull vessel, according to the present invention, with the hatch gates closed. Detailed Description of the Invention
    [034] In the following, a detailed description of some exemplary non-limiting embodiments of the present invention is provided.
    [035] As shown in the attached figure 1, the single hull vessel, according to the present invention, has an upper deck (2), with a very large area for accommodating heavy equipment. The upper deck (2) is located at the top of the deck platform and the deck platform is equipped with accommodation units (6), a helipad (7) and a navigation bridge (8). The hull / pontoon (1) is made of a single piece and is continuous, in order to form the platform for the lower deck (5). The lower deck (5) has a bow-front deck (9). The hull / pontoon (1) has ballast tanks, fuel tanks, drinking water tanks and a thrust engine compartment (not shown). The lower deck (5) is connected to the upper deck / deck (2) by means of a plurality of columns (4). Preferably, 4 to 10 columns are arranged. The lifting and lowering device (3) is also provided on the upper deck (2). As is quite clear from figure 1, the assembly of the upper deck (2), the deck platform, the columns and the lower deck (5) is designed in coherence with the hull / pontoon, which is similar to the hull of a ship and it is submersible, so that the single-hulled vessel, in its entirety, is ship-shaped. This ensures that when the vessel is not submerged, it can sail like a normal navigation vessel.
    [036] The stabilized single-hull column structure, together with the upper and lower decks, provide the desired stability for the vessel, being even quite effective in extremely adverse sea conditions, being able to perform a wide range of offshore operations. Thus, the structure can function as any one or a combination of two or more structures among construction vessels for use in deep sea, intervention vessel, construction vessel, drilling unit, ARTS vessels (Supply of Towing and Handling of Anchor), heavy equipment lifting vessel, windmill installation vessel, pipe layer, deep water mining vessel, accommodation vessel unit, and small vessels.
    [037] The attached figure 2 shows the single hull vessel operating in the offshore region. The same numerical references indicate the same characteristics as those shown in figure 1, in which not all numerical references are inserted for reasons of better understanding. Figure 2 also clearly shows the lifting device (3 ') and the crane (3). From figure 2, it is also evident that the unit according to the present invention has a submersible hull in the shape of a ship (1), and four to eight columns connecting the hull to the deck platform. Specifically, it is the hull / pontoon disposed on the base, in combination with the model of other characteristics, as previously described, that makes it possible to operate the vessel as a normal ship.
    [038] The unit can be released in a wide range of sizes and width and with a wide range of capacity. The hull contains ballast tanks, fuel tanks, drinking water tanks and a thrust engine compartment (not shown). Preferably, the ballast tanks (not shown) are provided in the lower hull and in the parts of the columns (4). The unit, preferably, has a speed of 10-11 knots, in navigation conditions, being designed to remain stationed in waves of up to 6.5 meters, with 2 knots of current and wind of 15m / s in the submerged condition. The deck platform preferably has the dimensions of 120x45x6m, and contains an engine compartment, large compartments for heavy equipment, and accommodation units (6). The vessel is preferably equipped with 6 to 12 propellers, depending on the size and operational area. The columns are adjustable with respect to heights, to fit within the operational requirements and environmental factors, in the present operational area.
    [039] As indicated above, the vessel can be released in different sizes, that is, 100-300 meters long and 45-70 meters wide.
    [040] The vessel has ballast tanks, mainly in the lower hull and parts of the towers (columns). The displacement in the submerged condition is about 45,000 tons. In the implementation of a construction / equipment, the weight of the construction / equipment is compensated with the water ballast when the construction / equipment is disposed on the base. The construction / equipment represents about 1% of the total displacement and therefore has only a limited impact in relation to the vessel's stability. Preferably, the vessel has a loading capacity of around 6,000-8,000 tonnes on the upper deck.
    [041] It was discovered through an experimental attempt, that the vessel according to the present invention, due to the combination of its construction characteristics, as previously described, solves the known movement problems mentioned by the state of the art, providing a better and more stable offshore operation platform, with larger tanks and DWT capacity. In addition, it was considered to be more flexible when it is willing to sail and enter the ports, compared to the rigs. In addition, it provides better protection to all equipment that is placed in the "moon pool" (swimming pool), as the "moon pool" is available from the upper deck to the base hull. This vessel navigates as a normal vessel, with a low draft and provides satisfactory stability for crane operations. In addition, greater maneuvering condition is achieved due to the location of the thrust supply devices. The present vessel has a speed of 11 knots in navigation condition and avoids the disposition of great forces on the cranes, lifting gears and constructions. The vessel also operates without the wave balance compensator on the crane, has less demand for the safety factor and greater lifting capacity, in addition to avoiding damage to the construction and lifting device. The vessel can support large capacities in sections and has been discovered to be able to withstand extremely adverse sea conditions.
    [042] Figures 3 to 5 illustrate how the vessel according to the present invention implements (and, in the same way, recovers) large heavy equipment (10), by submersion, without subjecting the equipment and the lifting / lowering devices to dynamic forces present in the splash zone, instead of following the usual method of lowering (or lifting) heavy equipment through the water line. This constitutes a singular feat of the present invention. In figures 3 to 5, the same numerical references indicate the same characteristics as those in figures 1 and 2, and all these numerical references are not inserted in said figures for reasons of better understanding.
    [043] At the first point, large buildings / modules are loaded on the upper deck door (2) and transported out to the actual offshore location, as the vessel can function as a normal navigation vessel, in the non -Underwater. The spacious upper deck is clearly visible in the attached figure 5, presenting a space for the passage of the equipment (10). The construction / module (10) is lowered on the lower deck (5), as shown in figure 3. Although the equipment is arranged on the lower deck, it is slowly submerged, by gradually sinking the lower deck, below the water line, as shown in figure 4. Before the equipment is submerged to about 3 to 4 m below the water surface, the lifting device (3 ') is connected to the crane (3). After the equipment is disposed of under water, it is raised approximately one meter above the lower deck (5), rotated close to the stern and lowered at the base. This is illustrated in the attached figure 5. Thus, by avoiding the lowering of heavy equipment through the splash zone, the dynamic forces on the equipment and the lifting / lowering device are drastically reduced. In many areas of the ocean, such as in the North Sea, the height of the waves is considerable (several meters) and if these waves hit the equipment placed on the deck or which is lowered from the surface, an effect of deterioration of equipment or lifting devices. When lowering the equipment below the surface of the sea (and under the influence of the waves), before subsequently lowering it by the cranes, etc., to the bottom of the sea, two advantages are obtained, namely, the equipment is not influenced by the forces of the waves and yet, interestingly, the weight of the equipment is reduced due to fluctuation.
    [044] Similarly, the vessel avoids the dynamic forces of the splash zone on the lifting and lowering equipment and devices during the equipment recovery stage. The recovery steps will obviously be exactly opposite, and this is not shown in the attached figures. However, as a specialist skilled in the art will understand, the method of recovering heavy equipment according to the present invention comprises the steps of submerging the vessel, so that the lower deck is at a desired depth, below the water level. , lifting and placing the equipment on the lower water deck, through the lifting device (3 ') and crane (3), and moving the vessel above the water, so that the lower deck is above the water level. As an optional and additional subsequent step, the equipment (10) is lifted on the upper deck (2) by means of a lifting device (3 '), detachably attached to a crane (3).
    [045] The attached figures 6 and 7 show an additional advantageous construction characteristic of the vessel according to the present invention. They show a temporary port (11) in the region near the stern of the vessel. The door also has a large hull / jetty at the base, in the shape of a ship, (not visible), as well as the vessel, which works on the same principle. The temporary port, preferably, has the dimensions of 300x70m, being able to accommodate crewmembers vessels, supply vessels and any other vessels (14). A plurality of these vessels can be accommodated, depending on the size. Typically, a vessel can be accommodated up to 70m in length and 6m in draft. This vessel (14) can be any vessel used for the safe transfer of crew and materials, as will be understood by those skilled in the art and is not restricted to the exemplary illustration shown in figures 6 and 7. The rear door (13), preferably, is 40m, being adapted to close very quickly. The temporary port is adapted to be moored to a pointed tower type system (not shown) and, therefore, it will always be a windward bow. The area behind the unit is a protection area (12) and, consequently, when the vessel is submerged, the crew vessel, supply vessel or any other vessel (14) is able to enter even in bad weather conditions through the gate gates (13). When the crew vessel, supply vessel and any other navigation vessel (14) enters, the hatch gates (13) are closed and, consequently, a shallow door is formed, where the crew / materials can be safely transferred. This unit is particularly useful when helicopters are out of range.
    [046] Below, some non-limiting specifications of the vessel are presented, according to a preferred modality. Main Specifications - Global extension (LOA): 120.60 m; - Extension between perpendiculars (LPP): 120.60 m; - Molded width: 45.00 m; - Depth molded to the main deck: 7.35 m; - Draft measurement: 16.00 m; - Approximate draft operation: 15.00 m; - Draft project / model: 5.12 m; Upper jetty, Depth molded to the lower deck: 24.20 m; Upper jetty, Depth molded to the upper deck: 30.20 m; - Frame spacing (cross beams): 1,800 mm; Tonnage, UMS (1969), approximately: 30,000. Capacities - Dead weight in SWL, draft 5.12 m, approx .: 9,500 MT; - Dead weight in the operating draft 15.0 m, approx .: 30,800 MT; - Operating deck area on the upper deck, pool, etc., deducted, approx .: 3,350 m2; - Operating deck load on the upper deck: 5 MT / m2; Speed The vessel's experimental speed must be measured (double run) before release with a clean hull and calm sea (max. Beaufort 2), based on the following: - Experimental speed, approx .: 11.0 knots; - Draft on the keel load line in summer: 5.12 m. Station Maintenance The vessel must be able to operate in class DP 2, in the following weather condition, for the following characteristics of sea, wind, current and other vessel conditions: - Sea: significant wave height of 6.5 m / Tp = 10 seconds; - Wind: 15 m / s; - Current: 0.9 m / s surface current; For motion analysis purposes: - Sea: significant wave height of 6.5 m / Tp = 9 to 17 seconds. Accommodation Ref: Vessel's General Disposition Plan. The vessel must accommodate 120 people, including the marine crew and special purpose crew. Efforts were made to standardize the cabin size and layouts were made with 4 different cabin layouts. Machinery / Propulsion - Generators: 8 x 2600 KW; - Azimuths: 2 x 2200 KW close to the stern; - Retractable azimuths: 4 x 2200 KW, in the front and aft of the ship; - Bow thrusters: 2 x 2200 KW.
    [047] The following are presented the following non-limiting advantages that are achieved by the present invention. ship shape, stabilized column unit with the upper deck; - navigation as a vessel, operating as a rig; - comparable to a probe, but of much lower cost; - much less overhang than current vessels, great damping effect on the lower hull; - better stability than comparable units; - large loading capacity; - large operating deck; - ports of arrival of very low draft; - wide range of use, such as, for example, intervention vessel, construction vessel, drilling unit, vessels type ARTS (Towing Supply and Anchor Handling), heavy equipment lifting vessel, windmill installation vessel , piping layer, deep water mining vessel, accommodation vessel unit, and small vessels. smaller buildings / equipment through water, while remaining on deck; reduction of dynamic forces on the crane, lifting and construction gears; - large capacity, with sections up to 30 x 15 x 10m; - provide a safe offshore port for crew vessels, supply vessels, other small vessels, through a rear door, with extreme capacity when used for accommodation and with sufficient deck space; - reduced costs; - largest and most stable operating platform; - avoids splashing problems during the implementation of subsea constructions / equipment, so that the lifting and lowering equipment and devices are not influenced by wave forces, and at the same time, the weight of the equipment is reduced due to fluctuation; - reduced forces on the tower, riser, crane, lifting gear, and constructions; - ability to operate in much more severe weather conditions than an offshore vessel.
    [048] The present invention has been described with reference to some preferred embodiments and to some designs only for a better understanding, and it should be evident to those skilled in the art that the present invention includes all legitimate modifications within the scope of what has been described above. , and as claimed in the appended claims.
    权利要求:
    Claims (6)
    [0001]
    1. Single hull vessel for the recovery and implementation of equipment in the offshore region, comprising a deck platform with an upper deck (2) on top, said upper deck having a lifting and lowering device (3, 3 '), a hull (1) at the base of said vessel, said hull (1) made of a single piece and a lower deck platform (5), the hull being submersible and comprising a ship hull shape, a plurality of columns (4) connecting the hull to the deck platform, a lifting device (3) arranged on the upper deck to allow the lifting and lowering of equipment between the upper deck (2) and the lower deck (5), characterized by the fact that that the lower deck (5) of said vessel is adapted to submerge to and from a desired depth below the water level, the plurality of columns (4) are 4 to 10 in number, the vessel functions as a normal navigation vessel in the non-su condition immersed.
    [0002]
    2. Single hull vessel, according to claim 1, characterized by the fact that a pool is arranged between the upper deck (2) and the lower hull (D •
    [0003]
    3. Single hull vessel, according to claim 1, characterized by the fact that the vessel is provided in its region close to the stern of a temporary port unit (11), for at least one of crew vessels, watercraft. supply, and other vessels (14).
    [0004]
    4. Single hull vessel according to claim 3, characterized by the fact that said door unit (11) comprises a gate arrangement (13) at the end of said region near the stern, and an area of protection (12).
    [0005]
    5. Method to submerge equipment, said method being characterized by the fact that it comprises the steps of: a) placing the equipment on the lower deck (5) of the single hull vessel from the upper deck (2) of the single hull vessel through a lifting device (3), the lifting device (3) being connected to the upper deck (2) by a plurality of columns (4); b) submerge the lower deck (5) to a desired depth below the water level; c) lift the equipment partially above the lower deck (5) using the lifting device (3); d) rotate the equipment and lower it into the water using the lowering device (3 ').
    [0006]
    6. Method, according to claim 5, characterized by the fact that it comprises: e) submerge said vessel, so that the lower deck (5) is at a second desired depth, below the water level; f) lift and place the equipment on the lower deck (5) from the water, using a lifting device (3); g) move the vessel over the water, so that the lower deck (5) is above the water level.
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    同族专利:
    公开号 | 公开日
    CN102762445A|2012-10-31|
    CN102762445B|2015-04-22|
    BR112012005671A2|2017-02-21|
    US20120192782A1|2012-08-02|
    GB2485959B|2014-04-02|
    WO2011029642A1|2011-03-17|
    GB201205833D0|2012-05-16|
    KR101785965B1|2017-10-18|
    GB2485959A|2012-05-30|
    SG179124A1|2012-04-27|
    US8689720B2|2014-04-08|
    HK1172300A1|2013-04-19|
    KR20120067357A|2012-06-25|
    EP2477882A1|2012-07-25|
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    法律状态:
    2019-01-15| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-10-08| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2019-11-12| B25A| Requested transfer of rights approved|Owner name: FLEX DESIGN AS (NO) |
    2020-07-07| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2020-11-17| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 17/11/2020, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    NO20093001|2009-09-14|
    NO20093001|2009-09-14|
    NO20093006|2009-09-15|
    NO20093006|2009-09-15|
    NO20093426|2009-11-26|
    NO20093426|2009-11-26|
    PCT/EP2010/059865|WO2011029642A1|2009-09-14|2010-07-09|Offshore equipment deploying and retrieving vessel|
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