13results about "Moon-pools" patented technology

The invention belongs to the technical field of ships, and discloses an energy dissipation device, a moon pool and a ship, the energy dissipation device is used for being arranged on the inner wall of the moon pool of the ship, and the energy dissipation device comprises a buffer plate arranged in the vertical direction and parallel to the inner wall of the moon pool; the perforated plate is arranged on the surface, deviating from the inner wall of the moon pool, of the buffer plate and is parallel to the buffer plate, a plurality of through holes for fluid to pass through are formed in the perforated plate, and each through hole penetrates through the perforated plate in the direction perpendicular to the buffer plate; the turbulent flow assembly is arranged on the face, away from the buffer plate, of the perforated plate and used for conducting flow guiding and dispersing on shaking fluid in the moon pool, the perforated plate is used for dissipating energy of the dispersed fluid, and the buffer plate is used for dissipating energy of the fluid penetrating through the perforated plate. According to the energy dissipation device, energy generated by fluid sloshing in the moon pool can be effectively dissipated, the amplitude and impact force of fluid sloshing are restrained, vibration and noise of equipment are reduced, and the safety, stability and safety of the equipment are improved.

The application belongs to the technical field of ships, and discloses an energy dissipation device, a moon pool and a ship. The energy dissipation device is arranged on the inner wall of the moon pool of the ship and comprises a buffer plate arranged in the vertical direction and parallel to the inner wall of the moon pool, a perforated plate arranged on the side of the buffer plate away from the inner wall of the moon pool and parallel to the buffer plate, a plurality of through holes for fluid passing being arranged on the perforated plate, each through hole penetrating the perforated plate in the direction perpendicular to the buffer plate, and a turbulence assembly arranged on the side of the buffer plate away from the perforated plate and used for guiding and dispersing the sloshing fluid in the moon pool. The perforated plate is used for dissipating the energy of the dispersed fluid, and the buffer plate is used for dissipating the energy of the fluid passing through the perforated plate. The energy dissipation device can effectively dissipate the energy generated by the fluid sloshing in the moon pool, suppresses the amplitude and impact force of the fluid sloshing, reduces the vibration and noise of the equipment, and improves the safety, stability and safety of the equipment.

The present application relates to a kind of conjoined double moon pool operation system and its using method, the system is set in the middle of ship body, including blowout preventer group crane, blowout preventer group trolley, trolley converter, conjoined double moon pool, conjoined double moon pool is combined together by a small moon pool and a big moon pool, conjoined double moon pool both sides are longitudinally arranged trolley track, blowout preventer group trolley is placed in trolley track, and can be moved along the trolley track longitudinally, conjoined double moon pool tail transversely sets crane track, the blowout preventer group crane is placed in crane track, and can be moved along the crane track transversely.The present application can simultaneously meet the requirements of mud closed circulation drilling operation without marine riser and traditional marine riser drilling operation, realize the laying and recovery of underwater equipment and the suspension of mud return pipeline in two drilling operation modes, the setting of conjoined double moon pool has small waterline opening demand, improves the stability of ship body, and is beneficial to the overall arrangement of main deck.The whole system equipment is simple, and has strong compatibility, reduces investment cost.

The application discloses a ship with a ROV system, which comprises a ship body and a ROV system, wherein the ROV system comprises a ROV body, a floating ball body and a ROV winding and releasing mechanism; the ship body is provided with an open deck, a ROV storage cabin and a moon pool; the ROV winding and releasing mechanism comprises a floating ball winding platform which is rotatable relative to the inner side wall of the ROV storage cabin, and can switch the floating ball winding platform between a storage position and a deployment position; when the floating ball winding platform is in the deployment position, the floating ball winding platform is parallel to the bottom of the ROV storage cabin and extends in the horizontal direction, and the floating ball winding platform at least partially protrudes from the first hatch; when the floating ball winding platform is in the storage position, the floating ball winding platform is perpendicular to the bottom of the ROV storage cabin, so that the floating ball winding platform is moved to the side outside the first hatch. The application is convenient for storing the ROV body, avoids the ROV body from occupying the space of the open deck, and is beneficial to the winding and releasing of the ROV body.

The invention relates to a ship moon pool cover mounting process which is characterized in that moon pool covers are mounted on the upper side and the lower side of a ship moon pool and comprise an upper moon pool cover located on the upper side of the ship moon pool and a lower moon pool cover located on the lower side of the ship moon pool; the ship moon pool cover mounting process comprises the following steps: mounting an upper moon pool cover, namely mounting an upper moon pool cover accessory, mounting a connecting bolt, positioning a cover and welding a lower base; mounting of a lower moon pool cover: mounting of a lower moon pool cover accessory, mounting of the lower moon pool cover and mounting of a docking block; and carrying out tightness test. According to the ship moon pool cover installation technology, the load requirement of the upper moon pool cover is met, meanwhile, the use amount of steel of the upper moon pool cover can be reduced, the structural style of the upper moon pool cover is simplified, manufacturing, assembling and disassembling of the upper moon pool cover are facilitated, the lower moon pool can meet the water pressure requirement of 10 meters, and the ship moon pool cover installation technology is suitable for large-scale popularization and application. And the lower moon pool cover can be lifted from the moon pool cabin to a ship deck by using a crane on a ship.

A stabilisation assembly for use in deep water. The assembly comprises a telescopic spar for securement within a moon pool of a floating support vessel. The securement mechanism includes a gimbal joint secured within the moon pool through which the spar is suspended to allow movement of the vessel with respect to the spar during use.

Arrangement (100) for use on a support surface (201) of a floating body such as a vessel (200), comprising: - a tool (103), adapted for coupling to an end of an elongated element (300); - a tool storage cradle (102), adapted for holding the tool (103) while being sea-fastened; - a skidding unit (101) displaceable over the support surface (201), the tool storage cradle (102) being comprised in the skidding unit (101), thereby allowing to transport the tool (103) over the support surface (201) from a storage location towards the elongated element (300), while being held in a storage position by the tool storage cradle (102), wherein the skidding unit (101) is adapted to guide the tool (103) while being brought from the storage position in the tool storage cradle (102) to a coupling position, thereby constraining movements of the tool (103) while bringing it into the coupling position.

The present application relates to a kind of ship moon pool cover installation process, moon pool cover is installed in the upper and lower sides of ship moon pool, including the upper moon pool cover of the upper side of ship moon pool and the lower moon pool cover of the lower side of ship moon pool;Ship moon pool cover installation process includes the following steps: the installation of upper moon pool cover, including the installation of upper moon pool cover accessory, the installation of connecting bolt, cover positioning and the welding procedure of lower base;The installation of lower moon pool cover, including the installation of lower moon pool cover accessory, the installation of lower moon pool cover and the installation procedure of dock pier;Tightness test.The ship moon pool cover installation process in the present application, while meeting the load requirement of upper moon pool cover, can also reduce the amount of steel of upper moon pool cover, and simplify the structure style of upper moon pool cover, facilitate the manufacture and disassembly of upper moon pool cover, while lower moon pool can meet the 10m water pressure requirement, and lower moon pool cover can meet the use of ship own crane and be hoisted from moon pool cabin to ship deck.

A stabilization assembly for use in deep water is provided, the assembly comprising a telescoping spar for anchoring within a moonpool of a floating support vessel, the anchoring mechanism including a gimbal-type joint secured within the moonpool, the spar being suspended by the gimbal-type joint during use to allow relative movement between the vessel and the spar.

An ocean-going vessel 1 of less than 24m in length having an above waterline plan area A, a forward end 11 and an aft end 13. The vessel comprises two longitudinally extending hulls 2, connected by a

The present disclosure relates to a skid docking and anchoring system with couplings, comprising a docking structure (100), an interchangeable skid (102) and a coupling skid (104). The docking structure (100) is formed by welded plates comprising a back plate (302) and a front plate (300). In addition, the back plate (302) features a groove for vertical attachment to the riser balcony (106). The front plate (300) comprises at least two front handles (304), at least four keys (306) located in the central region of the front plate (300), and at least four coupling supports (308) at the bottom of the front plate (300). Additionally, the coupling skid (104) comprises a welded truss structure (500), four coupling pins (502) and a tool basket (504).

The invention provides a moon pool structure of a drilling ship, and relates to the field of drilling ship equipment, the moon pool structure comprises a moon pool opening, a moon pool enclosure bulkhead and a moon pool bottom, and further comprises a flow guide buffer mechanism which is arranged on the inner side of the moon pool enclosure bulkhead in a surrounding mode and comprises a flow guide cover, a buffer plate and a hinge supporting assembly connected with the flow guide cover and the buffer plate; the sealing system is arranged on the periphery of the opening of the moon pool and comprises a sealing ring, a hydraulic actuator for driving the sealing ring and a sensor for sensing the height of waves; the telescopic protective fence is arranged on the edge of the opening of the moon pool and comprises a plurality of protective fence units, a telescopic mechanism for driving the protective fence units and a locking device. Wave impact is reduced through the flow guide buffering system, intelligent sealing adapts to different sea conditions, safe operation is ensured through telescopic protection, the structural service life is prolonged through the vibration suppression device, the working face is stabilized through the hydraulic compensation platform, the emergency system quickly responds to emergency situations, and the operation safety and operation efficiency of the drilling ship are comprehensively improved.

The present invention provides an ocean-going vessel (1) of less than 24m in length having an above waterline plan area A, a forward end (11) and an aft end (13); the vessel (1) comprising: two longitudinally extending hulls (2), connected by a deck structure (4), that is suspended above the waterline of the vessel (1); a moonpool (10) comprising an aperture (12) having a perimeter P, extending through the deck structure (4) between the two hulls (2) for providing access to the water, a plurality of locking mechanisms (20) located on or near the perimeter P, for attaching a modular payload (100) to the vessel (1) over the moonpool (10); the moonpool (10) having an area M of at least 40% of A.