CN101954959B - Deepwater semi-submerged drilling platform - Google Patents

Deepwater semi-submerged drilling platform Download PDF

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Publication number
CN101954959B
CN101954959B CN 200910181058 CN200910181058A CN101954959B CN 101954959 B CN101954959 B CN 101954959B CN 200910181058 CN200910181058 CN 200910181058 CN 200910181058 A CN200910181058 A CN 200910181058A CN 101954959 B CN101954959 B CN 101954959B
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China
Prior art keywords
platform
fixed
main deck
support
hydraulic
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CN 200910181058
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CN101954959A (en
Inventor
林瑶生
粟京
谢彬
傅成玉
周守为
曾恒一
金晓剑
刘华祥
晏绍枝
王浩宇
李春璘
别顺武
李浪清
徐鼎基
康见逊
黄映城
周臻
栗振宁
杨宏滨
李东亮
赖华山
李焱红
李亚湖
王世圣
冯玮
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China National Offshore Oil Corp CNOOC
CNOOC Research Institute Co Ltd
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Institute of Chemistry of CAS
China National Offshore Oil Corp CNOOC
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Abstract

The invention relates to a deepwater semi-submerged drilling platform, which comprises floating tanks, an upright post, a transverse supporting rod and a main deck, wherein a drilling block is arranged above a moon pool in the middle of the main deck; and a derrick is arranged on the drilling block. The deepwater semi-submerged drilling platform is characterized in that: a half derrick space for pre-connecting a drilling tool is reserved on one side of the derrick; a water isolating pipe, a drilling stem, a blowout preventer and a production tree are arranged on the main deck around the moon pool respectively; and an anchor moored positioning and dynamic positioning combined position system which consists of front and back four groups of anchor gears distributed on the left and right sides of the main deck is adopted, each group of anchor gears are provided with 3 anchor chains, a dynamic positioning system consists of 8 dynamic thrusters capable of rotating 360 degrees at the front and back four corners of the bottom of the two floating tanks. In the deepwater semi-submerged drilling platform, the maximum operation water depth is up to 3,000 meters, the maximum drilling depth is up to 12,000 meters, and the maximum variable load is up to 9,000 tons. The deepwater semi-submerged drilling platform can operate in the South China Sea, Southeast Asian sea area and West Africa sea area with severe sea conditions efficiently and safely.

Description

A kind of deep water semi-submersible drilling platform
Technical field
The present invention relates to a kind of drilling platform, particularly can reach 3000m about a kind of operating water depth, can be used for the deep water semi-submersible drilling platform of ocean deepwater oil-gas exploration.
Background technology
The exploratory development of marine oil and gas resource constantly marches to deep water, and the packaged type drilling rig that uses at present mainly comprises jack-up drilling unit, drilling ship and semi-submersible drilling unit.Wherein jack-up drilling unit is due to the restriction that is subjected to operating water depth, can not carry out the exploratory development operation of ocean deepwater oil-gas field, drilling ship is compared with semi-submersible drilling unit, and semi-submersible drilling unit has good stability, can adapt to abominable marine environment condition, and operating efficiency is higher.At present, semi-submersible drilling unit has become deep water hydrocarbon field exploratory development and has bored the main equipment of completion operation, such as Friede ﹠amp; Goldman company in 6,378, No. 450 patent documents of the U.S., disclose a kind of like this semi-submersible drilling unit.Yet, what the applicant faced is the sea situation environment of South China Sea very severe, and chance typhoon one-minute average wind speed reached 54m/s in 100 years one, and chance typhoon one-minute average wind speed reached 56.9m/s in 200 years one, Yi Bogaoda 13.7m is arranged, top layer max-flow scooter 2.2m/s.Simultaneously, the depth of water in marine site, South Sea potential hydrocarbon field reaches 3,000m, drilling depth requires to reach 12,000m, due to away from land, more than requirement semi-submersible drilling unit variable load requires to reach 9,000t, and semi-submersible drilling unit of the prior art all can not satisfy the These parameters requirement.Therefore how to adapt to various abominable South Sea sea situation environment, particularly can survive under the extreme environmental conditions of 200 years one chances in the South Sea, and guarantee that platform high-efficient homework under severe sea condition becomes the focus that is concerned most.
Have some problems in the prior art that the present invention once of following comprehensive description need to solve: 1, traditional platform usually adopts the individual well frame or increase the well system that connects in advance the drill string function on the basis of individual well frame, this well system is when drilling operation, the upper rig floor of drill string and marine riser lifting, blowout preventer and christmas tree enter moon pool can only be from former and later two directions of individual well frame, so operating efficiency is lower.2, during platform operation at sea, need constantly by supply boat and the flexible pipe that is connected supply boat to the additional consumable store of platform and work materials, as fuel oil, fresh water, Drilling Water, water-base mud, OBM, salt solution, native powder and cement etc.Traditional hose storing mode arranges several simple hooks at platform two sides of a ship usually, and every flexible pipe bands together at the hook inflection poststack that comes up.Need to manually untie when annotating operation, then by crane with supple-management along after deliver to supply boat.Above-mentioned filling mode of operation and hose storing mode be troublesome poeration not only, and flexible pipe reduces service life greatly through folding very easily damage.3, icing for preventing the well head head region, cause well-control equipment to work, conventional solution is to inject anti-freezer by under-water robot to the well head head region, but it is larger that under-water robot is affected by the platform operating environment, such as when stormy waves is larger, under-water robot just can't be completed lower water operation.4, the autogyro petrol service station of traditional platform adopts a kind of fixed placement at the topping up device of life roof section, because oil tank is fixed placement, so presence of fire jeopardizes oil tank and is difficult to it is thrown rapidly when safe and is put in the sea around the oil tank, thereby safety of threat platform and staff.5, traditional platform does not arrange special-purpose underwater robot platform, but generally adopt the operational method of transferring under-water robot from larboard or the starboard of moon pool, platform, and the guide piece of under-water robot is not set yet, applicable under-water robot to transfer mode more single, and can not be applicable to the abominable sea situation of environment, when wind direction becomes transferring under-water robot when unfavorable, the danger that under-water robot touches the platform buoyancy tank easily occurs.6, in the freeing arrangement of traditional platform each system, normally row's side of a ship external pipeline of each system is directly drawn by the drain gutter of offering on ship hull plate nearby.Because the main bulkhead of the upper hull of platform and column are all the relative zones of concentrating of stress, if perforate too much will certainly affect the structural strength of whole platform, also can affect the watertight integrity of hull, also can cause the direct erosion painted surface of fluid, affect the service life of platform; If a lot of fluids are arranged from upper hull or column in addition, not only affect staff's operation, but also affect the overall image of platform.7, the propelling unit motor of traditional platform is in the closed in space at buoyancy tank two ends, when propelling unit motor et out of order, the propelling unit motor can't hang out when the platform operation and carry out large repairs, and can only by cutting open the buoyancy tank top after the platform dry-docking, hang out the propelling unit motor and carry out large repairs.8, the watertight door of traditional platform generally is designed to manual press fastening type structure or screw rod screws structure, or the hydraulic sliding type structure.The watertight door action of front class formation is original, bulky, and M/C, not only operate effort on the spot, and labour intensity is large, and sealing effectiveness neither be very desirable; Watertight every body of rear class formation is heavy, and must have the operational space that surpasses more than door bulk area twice, and to the most of traditional relay control circuit that adopts of watertight door distance control, volume is large simultaneously.9, adopt during the crude oil burner boom left rotation and right rotation of traditional platform winch or platform crane auxiliary, operating difficulties also is difficult to control.10, when carrying out drilling operation, the drilling cuttings that returns from the shaft bottom has two kinds of discharging modes: directly row sea or zero disposal of pollutants.Due to layout and flow process, traditional platform all can only arrange a kind of discharging modes.11, the slurry cabin cleaning way of traditional platform is to adopt original manual cleaning way, namely opens hatchcover, and the operating personnel carries fire hose and enters in slurry cabin, utilizes high pressure fire fighting water to clean.Not only operating efficiency is low for this manual cleaning way, and because slurry cabin is Working in confined space, and poor working environment, labour intensity are large, therefore also bring personal injury to the operating personnel.
Summary of the invention
For the problems referred to above, thereby the purpose of this invention is to provide a kind of at the extensive deep water semi-submersible drilling platform that adopts new invention, up-to-date technology and new construction can adapt to various severe sea condition environment, when improving platform security, improve the platform exercise performance, improve platform operation timeliness, reduce the platform operating cost.
for achieving the above object, the present invention takes following technical scheme: a kind of deep water semi-submersible drilling platform, it comprises two buoyancy tanks, connect two root posts on each described buoyancy tank, two columns on two columns on each described buoyancy tank and corresponding buoyancy tank connect by two groups of singletrees, four root post top braces one upper hulls, described upper hull top is main deck, be provided with a well system above the moon pool at described main deck middle part, described well system comprises that one is arranged on the rig floor of described moon pool top, be provided with a derrick on described rig floor, the top of described derrick is provided with day car, it is characterized in that: a side increase of described derrick has to connect in advance half derrick space of drilling tool, arrange marine riser and marine riser Transporting equipment on the main deck of described moon pool front portion, arrange drill string and drill string Transporting equipment on the main deck at described moon pool rear portion, arrange blowout preventer and blowout preventer Transporting equipment on the main deck of described moon pool one side, arrange christmas tree and christmas tree Transporting equipment on the main deck of described moon pool opposite side, corresponding with the four direction all around of described moon pool, four direction all around at described derrick is furnished with respectively to coordinate described marine riser and marine riser Transporting equipment marine riser to be delivered to the manipulator of well, be used for coordinating described drill string and drill string Transporting equipment drill string to be delivered to the pipe machine of carrying of well, be used on described rig floor the tube drawbench of discharging drill string, be used for coordinating the described overhead traveling crane tourist bus of drilling tool that hoists, adopt anchoring location and dynamic positioning integrated positioning system, anchor mooring positioning system is comprised of the forward and backward 4 groups of windlass that are arranged in described main deck port and starboard, and every group of described windlass is furnished with 3 anchor chains, and described anchor chain adopts R5 level mooring cable, dynamic positioning system (DPS) is comprised of the power propeller of 8 360 ° of full circle swingings that are separately positioned on two forward and backward four corners, described buoyancy tank bottom.
Described marine riser adopts the mode of vertically depositing.
be provided with one on described platform and replenish the filling station of consumable store and work materials to platform from supply boat, described filling station comprises that one is fixed on the pedestal on described main deck larboard or starboard, have some groups of horizontally disposed supports on described pedestal, be supported with 1~2 cylinder by horizontally disposed turning cylinder between every group of described support, circumferentially be wound with the flexible pipe of be used for annotating a kind of consumable store and a work materials on each described cylinder, one end of every described flexible pipe is provided with the quick coupling of a connection supply boat, other end connection one is fixed on the hard pipe joint in the described support outside, described hard pipe joint is used for laying in accordingly the station on connecting platform, the turning cylinder of each described cylinder all connects a HM Hydraulic Motor that is fixed on described support, all described HM Hydraulic Motor all connect a hydraulic power station that is fixed on described pedestal, be provided with a selector valve on the hydraulic tubing between every described HM Hydraulic Motor and hydraulic power station, all hydraulic power station connection one is used for controlling the master cock of described HM Hydraulic Motor forward or reverse.
be provided with one on described platform and prevent the wellhead area antiicer that well-control equipment freezes, described wellhead area antiicer is by the anti-freezer case, the anti-freezer transmission pump, marine riser, blowout preventer unit and some pipelines form, described anti-freezer case is arranged on described main deck, described anti-freezer case connects the input end of described anti-freezer transmission pump, described anti-freezer carries delivery side of pump to connect the gooseneck elbow that connects described marine riser by pipeline, be equipped with an anti-freezer diffuser that is communicated with the marine riser terminal tube coupling of described gooseneck elbow and marine riser bottom on described marine riser, described marine riser terminal tube coupling connects the anti-freezer diffuser of blowout preventer unit by pipeline, the other end of the anti-freezer diffuser of described blowout preventer unit connects the drilling rod flashboard of described blowout preventer unit.
The bow of described main deck is provided with a life Lou Heyi and goes straight up to machine platform, and described helicopter platform is fixed on described life roof section and extends a segment distance; Be provided with a helicopter gas station on the main deck of described helicopter platform below, described helicopter gas station comprises a plurality of oil filling cabinets that are arranged side by side, and described oil filling cabinet outer setting has fuel charger, flexible pipe and nozzle; Each described oil filling cabinet supports and is fixed on a suspension bracket, the bottom of each described suspension bracket is provided with an emergency release, described emergency release comprises a sliding support and a fixed support, the bottom of described sliding support and support bracket fastened top have respectively the inclined-plane that matches, and described sliding support and fixed support link together by the chute that is arranged on the inclined-plane, thereby described sliding support can be slided until break away from described fixed support by relatively described fixed support; Be provided with the on-slip pin on chute between described sliding support and fixed support, thereby described sliding support and fixed support are fixed together under normal condition; The top of described sliding support and described suspension bracket are fixed as one, and described fixed support is fixed on the main deck gunnel position of described helicopter platform below.
Respectively be provided with a underwater robot platform on the port and starboard of described platform, the part of described underwater robot platform is fixed on described main deck, and another part extends described main deck and its underpart is fixed with bracing frame; Be provided with one in the middle of the external part of described underwater robot platform and transfer window for what robot was under water transferred, the external part top of described underwater robot platform is provided with a support, it is three layers that described support from top to bottom is divided into, and is disposed with two guide rope winches, umbilical cables winch and a sliding seat cushion; Be provided with a compensation of undulation winch and a hydraulic power station on the fixed end of described underwater robot platform; Two described guide rope winches connect a weight block by steel rope, described umbilical cables winch connects under-water robot by cable, described compensation of undulation winch is connected with pulley on being fixed on described support by hawser, and the lower end of hawser connects the pulley on under-water robot; Described sliding seat cushion is positioned at described top of transferring window, and it is used for depositing under-water robot when robot does not use under water, and the described window of transferring that slips away when robot carries out under-water operation under water is to facilitate under-water robot to transfer.
Be provided with an integrated drainage device on described platform, described integrated drainage device comprises that a horizontal drain pipe that is arranged on described upper hull stern bottom surface and two close on described horizontal drain pipe and are positioned at the vertical drain hose of two described column inboards; The top of two described vertical drain hoses is respectively infundibulate, and to catch the water by the two ends outflow of described horizontal drain pipe, the bottom of two described vertical drain hoses causes underwater; On described platform, the draining external pipeline of each system connects described horizontal drain pipe or vertical drain hose nearby by the mode of welding.
With respect to body top, four propelling unit cabins, be respectively arranged with the maintenance window lid of a sealing at the end face of described buoyancy tank.
Described platform adopts hydraulic efficiency hinge formula Watertight door device as the gangway of interior compartment under staff's Inlet and outlet water, and described hydraulic efficiency hinge formula Watertight door device comprises doorframe, door-plate, hydraulic power system and control system; Described doorframe and door-plate adopt chain connection, and the top of described doorframe and bottom respectively are provided with one and close/open oil cylinder, and its cylinder body and piston rod end are hinged with described doorframe and door-plate respectively; The inboard surrounding of described doorframe is provided with some symmetrical fixedly wedges along the limit, described door-plate outside surrounding is provided with a fixing axle bed along position corresponding to the described wedge of limit and each, one " duck head " type snap close is installed on described axle bed, the caudal peduncle parallel connection of all described snap closes is hinged on four Synchronous pull rods, four described Synchronous pull rods are hinged on respectively on two cover link gears, and the described link gear of every cover forms by first connecting rod, second connecting rod, guide link and third connecting rod are hinged; Be provided with one at close described door-plate lower position and lock/unclamp oil cylinder, its cylinder body and described door-plate are hinged, the first connecting rod of the in parallel hinged two described link gears of cover of piston rod end; Be provided with a combination joint box above described doorframe one side, be provided with shift knob and sound and light alarm on described combination joint box, and described combination joint box connects also and is arranged on one on described door-plate and closes/open limit switch and and lock/unclamp limit switch; Described hydraulic power system has quadruplet, be separately positioned on four supernatant mechanical cabins of described column indoor, the described pressure power of every cover liquid system is comprised of electric hydraulic pump, electromagnetic valve group and fuel tank, described electric hydraulic pump is connected the other oil way valve block of door that is arranged on described doorframe left side with hydraulic tubing by described electromagnetic valve group, the other oil way valve block of described door connects respectively described closing/open oil cylinder and locking/unclamp oil cylinder by hydraulic tubing; Described control system comprises that quadruplet is fixed on the centralized-control box that Zone control cabinet on described hydraulic power system and a cover are arranged on Central Control Room; The described Zone control cabinet of every cover comprises a programmable controller and a warning device on the spot, be used for monitoring and controlling described hydraulic power system and system power supply, operation mode and running state, and by described combination connection box, watertight door realized distance control; Described centralized-control box is comprised of Ethernet switch, power module, touch-screen and Digiplex, be used for monitoring and control all hydraulic power system and system power supply, operation mode and running state, and all watertight doors carried out remote servicing control.Form a unified integral body by ethernet between four described Zone control cabinets and between each described Zone control cabinet and described centralized-control box, can realize disperseing centralized control.
On described doorframe forward and backward side, one hand Hydraulic Pump is set respectively, described hand hydraulic pump carries fuel tank and connects the other oil way valve block of described door.
The one standby energy storage of cover is set on described hydraulic power system side, and described standby energy storage comprises some pressure cylinders, and described pressure cylinder is connected on hydraulic tubing between described electric hydraulic pump and electromagnetic valve group by valve.
Respectively be provided with a hydraulic rotary burner boom on the port and starboard of described platform stern main deck, described hydraulic rotary burner boom comprises burner boom trestle, swivel arm, the first oil cylinder, the second oil cylinder and burner boom latching device, the axis that described the first oil cylinder is parallel to described burner boom trestle is fixed on a side of described burner boom trestle, and described the second oil cylinder is fixed on perpendicular on the residing main deck of described burner boom trestle; Described the first oil cylinder be connected the mouth of oil cylinder and connect respectively the two ends of described swivel arm, drive described burner boom trestle around the anticlockwise of described burner boom latching device or right rotation by described the first oil cylinder and the second oil cylinder combined action.
Be provided with a cover high-pressure cleaning system on described platform, described high-pressure cleaning system comprises water tank and the high pressure cleaning pump that is arranged on described main deck, and enter each slurry cabin of described buoyancy tank by high pressure line, be furnished with some nozzles on described slurry cabin bulkhead.
Be provided with a cover landwaste screening delivery system on described platform, described landwaste screening delivery system comprises some the vibrating grizzlies that are arranged side by side, the below of described vibrating grizzly is provided with a mud ditch, the exit of described vibrating grizzly is provided with a landwaste groove, landwaste in mud enters in described landwaste groove from described vibrating grizzly outlet, and mud is in described vibrating grizzly enters described mud ditch; Be provided with shifter on described landwaste groove, the landwaste in described landwaste groove directly can be arranged the sea or the zero-discharge treatment system that is provided by the third party is provided through auger loader by described shifter.
The length of described buoyancy tank is 114.07m, and wide is 20.12m, and height is 8.54m; Described column is long is 17.385m, and wide is 15.860m, and height is 21.46m; The length of described upper hull is 77.47m, and wide is 74.42m.
the present invention is owing to taking above technical scheme, it has the following advantages: 1, the present invention arranges marine riser storage area and marine riser Transporting equipment in the front portion of moon pool, drill string storage area and drill string Transporting equipment are arranged in the rear portion of moon pool, one side of moon pool is arranged blowout preventer storing unit and blowout preventer Transporting equipment, the opposite side of moon pool is arranged christmas tree storing unit and christmas tree Transporting equipment, marine riser enters the district and drill string enters the district thereby form on rig floor top, formed in the rig floor bottom simultaneously that blowout preventer enters the district and christmas tree enters the district, the device space is rationally distributed, each apparatus logic contact closely, can effectively coordinate and reach operation upwards downwards, make the whole drill-well operation can be from the four direction parallel working of rig floor, effectively improved the efficient of drilling operation.2, main deck of the present invention is 9.7m to the height of rig floor, and this can guarantee that highly drill string effectively serves rig floor, and the equipment such as blowout preventer and christmas tree that also can guarantee are at the mobile operating of moon pool.3, rig floor of the present invention height of overhead traveling crane to the derrick is 64m, and this connection that highly can make drill string is increased to 4 from 3, has further improved operating efficiency.4, the present invention vertically deposits marine riser, not only saves the floor area of marine riser on main deck, and facilitates marine riser to connect in advance operation.5, the present invention respectively is provided with a filling station on the platform port and starboard, has changed the messy situation of original hose storing, and not only facilitated the filling operation and made the platform outward appearance more attractive in appearance, and the service life of greatly having improved flexible pipe.6, the present invention by the anti-freezer transmission pump with the anti-freezer in the anti-freezer case by the oral zone of each pipeline Injection Well, and anti-freezer case and anti-freezer transmission pump are fixed on platform deck, therefore not affected by the platform operating environment, can carry out at any time antifreeze operation, reach the function that prevents that well-control equipment from freezing, not only guaranteed the normal operation of well-control equipment, and allowed platform have wider survey area.8, the present invention adopts the suspension bracket that is arranged on the left string of platform main deck to fix the oil filling cabinet of helicopter, make firm being fixed on suspension bracket of oil filling cabinet, avoid causing due to rocking of platform the collision of Oil Tank, thereby cause aviation kerosene presence of fire and the blast of high heat.Simultaneously be furnished with emergency release in the suspension bracket bottom, under the emergency condition such as presence of fire, can moment oil filling cabinet be left marinely, avoid the Aviation Fuel of high heat to stay on platform, thereby danger is dropped to bottom line.9, the present invention arranges two cover underwater robot platforms at the port and starboard of platform, so that when adapting to the platform operation, in the situation that the flip-flop of wind direction or a side under-water robot damage, can also continue to use under-water robot to support under-water operation.Simultaneously under-water robot is had wider selectivity, also avoid the auxiliary facilities at buoyancy tank welded and installed guide frame, maintain easily.10, the present invention arranges a horizontal drain pipe in upper hull stern bottom surface, in two column inboards, two vertical drain hoses that close on horizontal drain pipe are set, the top of two vertical drain hoses is respectively infundibulate, to catch the water by horizontal drain pipe two ends outflow, the bottom of two vertical drain hoses causes underwater, just water can be entered marine, then with the drain hose in each system by the welding mode connect level or vertical drain hose nearby.So both satisfy various emission requests, do not affected staff's normal running, guaranteed again structural strength and the water tightness of hull.Be conducive to simultaneously the monitoring to discharging, protected marine environment.11, the present invention, is respectively arranged with the maintenance window lid of a sealing, thereby can opens easily the maintenance window lid with respect to body top, four propelling unit cabins at the end face of buoyancy tank, and the impeller driven motor is hung out the external inspection and maintenance that carries out in propelling unit cabin.12, the present invention adopts anchoring location and dynamic positioning integrated positioning mode, particularly the anchor chain of anchor mooring positioning system employing is the high-intensity R5 level of Most mooring cable, improve approximately 18.5% than the R4 cable strength of equivalent diameter, and lightweight, and dynamic positioning system (DPS) adopts the DP3 level, and the platform safety performance improves greatly.13, pioneering hinged doorframe and the door-plate of adopting of the present invention, close/open the interlock of oil cylinder and locking/unclamp oil cylinder automatically perform close the door-lock, the action of release-open the door, more manual watertight door has not only reduced the consume of heavy muscle power, and smooth operation, simple, safe reliability is high; Lightweight than hydraulic pressure sliding watertight door compact conformation, take up room little.14, hydraulic efficiency hinge formula Watertight door device of the present invention adopts the PLC control system that is comprised of many covers Zone control cabinet and a cover centralized-control box, can concentrate monitoring to the watertight door state, at a distance and on the spot control is opened the door and closed the door.Compare with original relay control system and have inborn comprehensive advantage: function is strong, and the ratio of performance to price is high; Volume is little, and energy consumption is low; Hardware is comprehensive, and the user is easy to use, strong adaptability; Reliability is high, and antijamming capability is strong; The design programming method of system is simple, installation, debugging and the later period maintenance work capacity few; Also very convenient to following machinery upgrading.15, crude oil burner boom of the present invention is designed to the hydraulic rotary burner boom, it comprises burner boom trestle, swivel arm, oil cylinder and burner boom latching device, drive the burner boom trestles around the anticlockwise of burner boom latching device or right rotation by two oil cylinder combineds action, simple to operate and be easy to control.16, the present invention has designed a cover high-pressure cleaning system, can avoid the staff to enter closed in space's operation, has not only alleviated intensity of workers, and has improved operating efficiency.17, the present invention has designed a cover landwaste screening delivery system, by layout and flow process innovative design, really realizes zero-emission; Simultaneously be provided with discharging switching device on the landwaste groove, realize directly arranging the switching of sea and two kinds of discharging modes of zero-emission.18, column height of the present invention is near 22m, under the sea conditions that Yi Bogaoda 13.7m is arranged, can guarantee that also the deck do not go up wave, effectively solved the variable load (high-efficient homework) of operating condition and the air gap problem of survival condition (safety).The maximum operation depth of water of the present invention can reach 3,000m, maximum drilling depth can reach 12,000m, the maximum variable load can reach 9,000t, reaches under 109kt (be equivalent to the South Sea and met the typhoon wind speed in 200 years) condition at wind speed still to keep stability can not topple, can highly effective and safe operation under the abominable sea conditions in the South Sea, marine site, South East Asia and marine site, West Africa, the present invention is that the first in the world seat can satisfy the South Sea fully and met the survive deep water semi-submersible drilling platform of operating mode of super extreme environmental conditions in 200 years one.
Description of drawings
Fig. 1 is lateral plan of the present invention
Fig. 2 is stern view of the present invention
Fig. 3 is the structural representation of main deck of the present invention
Fig. 4 is the arrangement plan of main deck of the present invention
Fig. 5 is the lateral plan of filling station of the present invention
Fig. 6 is the front view of filling station of the present invention
Fig. 7 is the structural representation of wellhead area antiicer of the present invention
Fig. 8 is the structural representation of marine riser of the present invention
Fig. 9 is the structural representation of helicopter gas station of the present invention
Figure 10 is the lateral plan of underwater robot platform of the present invention
Figure 11 is the front view of underwater robot platform of the present invention
Figure 12 is that the A-A of Figure 10 is to view
Figure 13 is that the B-B of Figure 10 is to view
Figure 14 is that the C-C of Figure 10 is to view
Figure 15 is the structural representation of buoyancy tank of the present invention
Figure 16 is the front view of Watertight door device of the present invention
Figure 17 is the back view of Watertight door device of the present invention
Figure 18 is the front view of hydraulic power system in Watertight door device of the present invention
Figure 19 is the lateral plan of hydraulic power system in Watertight door device of the present invention
Figure 20 is the structural representation of centralized-control box in Watertight door device of the present invention
Figure 21 is the structural representation of standby energy storage in Watertight door device of the present invention
Figure 22 is the structural representation of the rotary burner boom of the present invention
Figure 23 is the schematic diagram of high-pressure cleaning system of the present invention
Figure 24 is the structural representation of landwaste screening delivery system of the present invention
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
As Fig. 1~shown in Figure 3, the present invention includes two buoyancy tanks 1, the long 114.07m of each buoyancy tank 1, wide 20.12m, high 8.54m, the width between centers of two buoyancy tanks 1 are 59.79m.Connect two columns 2, the long 17.385m of column 2, wide 15.860m, high 21.46m on each buoyancy tank 1.Two columns 2 on each buoyancy tank 1 connect by two groups of singletrees 3 with two columns 2 on corresponding buoyancy tank 1, four column 2 top braces one upper hulls 4, and the long 77.47m of upper hull 4, wide 74.42m, upper hull 4 tops are main decks 5.
As Fig. 1~shown in Figure 4, the present invention is provided with a well system above the moon pool 6 at main deck 5 middle parts, this well system comprises that one is arranged on the rig floor 7 of moon pool 6 tops, be provided with a derrick 8 on rig floor 7, the top of derrick is provided with day car 9, one side of derrick 8 increases the space of half derrick, connects in advance to carry out drilling tool in drilling operation.Arrange marine riser and marine riser Transporting equipment 10 on the main deck 5 of moon pool 6 front portions (being the platform bow), arrange drill string and drill string Transporting equipment 11 on the main deck 5 at moon pool 6 rear portions (being the platform stern), arrange blowout preventer and blowout preventer Transporting equipment 12 on the main deck 5 of moon pool 6 one sides (such as the platform larboard), arrange christmas tree and christmas tree Transporting equipment 13 on the main deck 5 of moon pool 6 opposite sides (such as the platform starboard).corresponding with the four direction all around of moon pool 6, four direction all around at derrick 8 is furnished with respectively to coordinate marine riser and marine riser Transporting equipment 10 marine riser to be delivered to the manipulator 14 of well, be used for coordinating drill string and drill string Transporting equipment 11 drill string to be delivered to the pipe machine 15 of carrying of well, be used for discharging the tube drawbench 16 of drill string on rig floor 7, be used for coordinating overhead traveling crane 9 tourist bus 17 of drilling tool that hoists, thereby formed marine riser on rig floor 7 tops and entered the district, drill string enters the district, comb district and operating area, four, district of erecting equipment, can effectively coordinate and reach operation upwards downwards.Blowout preventer and christmas tree are delivered to well by corresponding Transporting equipment 12,13 from rig floor 7 bottoms respectively, thereby formed blowout preventer enters district and christmas tree and enters and distinguish two operating areas in rig floor 7 bottoms, whole like this drilling operation can from the four direction parallel working of rig floor 7, improve the efficient of drilling operation significantly.
In above-described embodiment, main deck 5 is 9.7m (only as example, but being not limited to this) to the height of rig floor 7, and this can guarantee that highly drill string effectively serves rig floor 7, and the equipment such as blowout preventer and christmas tree that also can guarantee are at the mobile operating of moon pool 6.
In above-described embodiment, rig floor 7 is 64m (only as example, but being not limited to this) to the height of derrick 8 top overhead traveling cranes 9.This highly can make the drill string quantity that connects in advance be increased to 4 from 3, has further improved operating efficiency.
In above-described embodiment, in order to save the floor area of marine riser on main deck 5 and to facilitate marine riser to connect in advance operation, marine riser can adopt the mode of vertically depositing.
as Fig. 1, Fig. 5, shown in Figure 6, the present invention replenishes the filling station 18 of consumable store and work materials from the supply boat being provided with one on main deck 5 to platform, this filling station comprises that one is fixed on the pedestal 19 on platform larboard or starboard, have some groups of horizontally disposed supports 20 on pedestal 19, be supported with 1~2 cylinder 22 by horizontally disposed turning cylinder 21 between every pack support 20, circumferentially be wound with a flexible pipe 23 on each cylinder 22, a kind of consumable store or work materials are used for annotating, as fuel oil, fresh water, Drilling Water, water-base mud, OBM, salt solution, soil powder and cement etc.One end of every flexible pipe 23 is provided with the quick coupling 24 of a connection supply boat, and other end connection one is fixed on the hard pipe joint 25 in support 20 outsides, and hard pipe joint 25 is used for laying in accordingly the station on connecting platform.The turning cylinder 21 of each cylinder 22 all connects a HM Hydraulic Motor 26 that is fixed on support 20, thereby head roll 22 rotates.All hydraulic motor 26 all connects a hydraulic power station 27 that is fixed on pedestal 19, be provided with a selector valve 28 on the hydraulic tubing between every HM Hydraulic Motor 26 and hydraulic power station 27, be used for needs from work materials to HM Hydraulic Motor 26 that power is provided and selects according to consumable store or, start the HM Hydraulic Motor 26 on respective rollers 22.The all hydraulic power station connects a master cock 29, is used for controlling HM Hydraulic Motor 26 forward or reverse.
Thereby easily freeze in order to solve mud face place, seabed well head head region the problem that causes well-control equipment to work, the present invention has designed a wellhead area antiicer (as shown in Figure 7) that is comprised of anti-freezer case 30, anti-freezer transmission pump 31, marine riser 32, blowout preventer unit 33 and some pipelines 34.Wherein, anti-freezer case 30 is arranged on main deck 5, it connects the input end of anti-freezer transmission pump 31 by anti-freezer filler pipe 35, the mouth of anti-freezer transmission pump 31 connects anti-freezer filling tube 36, and anti-freezer filling tube 36 connects the gooseneck elbow 37 of marine riser 32 by pipeline 34.As shown in Figure 8, the auxiliary line of marine riser 32 usually controls liquid pipelines 39 by two kill-job/choke lines 38, two blowout preventers and a mud supercharging pipeline 40 forms, and the present invention has increased an anti-freezer diffuser 42 that is communicated with the marine riser terminal tube coupling 41 of gooseneck elbow 37 and marine riser 32 bottoms.Marine riser terminal tube coupling 41 connects the anti-freezer diffuser 42 of blowout preventer unit 33 by pipeline 34, the other end of the anti-freezer diffuser 42 of blowout preventer unit 33 connects the drilling rod flashboard 43 of blowout preventer unit 33.The present invention by anti-freezer transmission pump 31 with the anti-freezer in anti-freezer case 30 by each pipeline 34 Injection Well oral zones, thereby reach the function that prevents that well-control equipment from freezing.
As Fig. 1, shown in Figure 3, the present invention is provided with a life building 44 and at the bow of main deck 5 and goes straight up to machine platform 45, helicopter platform 45 is fixed on 44 tops, life building and extends a segment distance, is provided with a helicopter gas station 46 on the main deck 5 of helicopter platform 45 belows.As shown in Figure 9, helicopter gas station 46 comprises a plurality of oil filling cabinets 47 that are arranged side by side, and oil filling cabinet 47 outer setting have the conventional equipments such as fuel charger, flexible pipe and nozzle.Each oil filling cabinet 47 supports and is fixed on a suspension bracket 48, avoids causing due to rocking of platform the collision of oil filling cabinet 47, thereby causes aviation kerosene presence of fire and the blast of high heat.The bottom of each suspension bracket 48 is provided with an emergency release 49, this emergency release 49 comprises a sliding support 50 and a fixed support 51, the top of the bottom of sliding support 50 and fixed support 51 has respectively the inclined-plane that matches, and sliding support 50 and fixed support 51 link together by the chute that is arranged on the inclined-plane, thereby sliding support 50 can be slided until break away from fixed support 51 by relative fixed support 51.Be provided with on-slip pin 52 on chute between sliding support 50 and fixed support 51, thereby sliding support 50 and fixed support 51 are fixed together under normal condition.The top of sliding support 50 and suspension bracket 48 are fixed as one, 51 of fixed supports are fixed on the main deck 5 gunnel positions of helicopter platform 45 belows, like this under the emergency condition such as presence of fire, the staff can be thrown into 47 moments of oil filling cabinet in water by pulling out on-slip pin 52.
As shown in Figure 3, the present invention considers that the under-water robot 53 on platform avoids colliding buoyancy tank 1 in transferring process, respectively is provided with a underwater robot platform 54 on the port and starboard of platform.As Figure 10~shown in Figure 14, the part of underwater robot platform 54 is fixed on main deck 5, and another part extends main deck 5 and its underpart is fixed with bracing frame 55.Be provided with one in the middle of the external part of underwater robot platform 54 and transfer window 56 for what robot 53 was under water transferred, can avoid like this under-water robot 53 to transfer and collide buoyancy tank 1 in process.The external part top of underwater robot platform 54 is provided with a support 57, and it is three layers that support 57 from top to bottom is divided into, and is disposed with two guide rope winches 58, umbilical cables winch 59 and a sliding seat cushion 60.Be provided with a compensation of undulation winch 61 and a hydraulic power station 62 on the fixed end of underwater robot platform 54.Two guide rope winches 58 connect a weight block 63 by steel rope, umbilical cables winch 59 connects under-water robot 53 by cable, compensation of undulation winch 61 is connected with pulley on being fixed on support 57 by hawser, and the lower end of hawser connects the pulley on under-water robot 53.Sliding seat cushion 60 is positioned at the top of transferring window 56, and it is used for depositing under-water robot 53 when robot 53 does not use under water, slips away when robot 53 carries out under-water operation under water and transfers window 56 to facilitate under-water robot 53 to transfer.
As shown in Figure 2, an integrated drainage device is adopted in the draining of the present invention each system, and this integrated drainage device comprises that a horizontal drain pipe 64 that is arranged on upper hull 4 stern bottom surfaces and two close on the vertical drain hose 65 that horizontal drain pipe 64 is positioned at two column 2 inboards.The top of two vertical drain hoses 65 is respectively infundibulate, and to catch the water by horizontal drain pipe 64 two ends outflows, the bottom of two vertical drain hoses 65 causes underwater, and is marine so that water is entered.Then the draining external pipeline with each system connects horizontal drain pipe 64 or vertical drain hose 65 nearby by the mode of welding, the cooling water pipe that particularly will be arranged on eight electrical generators at main deck 5 rear portions seals respectively and passes main deck 5 afterbodys, is communicated to horizontal drain pipe 64.So both satisfy various emission requests, do not affected personnel's normal running, guaranteed again structural strength and the water tightness of hull.
As Fig. 1, Fig. 2, shown in Figure 15, the present invention adopts anchoring location and dynamic positioning integrated positioning mode, anchor mooring positioning system is comprised of the forward and backward 4 groups of windlass 66 that are arranged in main deck 5 port and starboards, and every group of windlass 66 is furnished with 3 anchor chains 67, and anchor chain 67 adopts high strength R5 level mooring cable.Dynamic positioning system (DPS) is comprised of the power propeller 68 of 8 360 ° of full circle swingings that are separately positioned on two forward and backward four corners, buoyancy tank 1 bottom, if 2 power propellers at diagonal angle 68 lost efficacy, all the other 6 can guarantee normal operation, to satisfy the positioning requirements of platform under drilling operation operating mode or existence operating mode, power propeller 68 can also guarantee that platform has from navigating function simultaneously, and emergency speed reaches 8 joints.。Adopt the anchoring locate mode of pretension anchor when the platform operating water depth during less than 1,500m, adopt the dynamic positioning mode when the platform operating water depth during greater than 1,500m.Simultaneously,, be respectively arranged with the maintenance window lid 70 of a sealing, thereby can open easily maintenance window lid 70 with respect to body 69 tops, four propelling unit cabins at the end face of buoyancy tank 1, the impeller driven motor is hung out the propelling unit cabin body 69 outer inspection and maintenances that carry out.
As Figure 16~shown in Figure 20, the present invention adopts hydraulic efficiency hinge formula Watertight door device as the gangway of interior compartment under staff's Inlet and outlet water, and this hydraulic efficiency hinge formula Watertight door device comprises doorframe 71, door-plate 72, hydraulic power system 73 and control system 74.Doorframe 71 and door-plate 72 adopt chain connection, and the top of doorframe 71 and bottom respectively are provided with one and close/open oil cylinder 75, and its cylinder body and piston rod end are hinged with doorframe 71 and door-plate 72 respectively.When the piston rod of closing/opening oil cylinder 75 inside contracted, sliding door was closed; When piston rod was overhanging, unlatching pushed.The inboard surrounding of doorframe 71 is provided with some symmetrical fixedly wedges 76 along the limit, the position corresponding with each wedge is provided with a fixing axle bed 77 to door-plate 72 outside surroundings along the limit, one " duck head " type snap close 78 is installed on axle bed 77, when snap close 78 goes to wedge 76 end face, be locking state by axle bed 77 tension door-plates 72.The caudal peduncle parallel connection of all snap closes 78 is hinged on four Synchronous pull rods 79, and four Synchronous pull rods 79 are hinged on respectively on two cover link gears.Every cover link gear is by connecting rod a, connecting rod b, guide link c and connecting rod d is hinged forms.Be provided with one at close door-plate 72 lower positions and lock/unclamp oil cylinder 80, its cylinder body and door-plate 72 are hinged, the connecting rod a (can set up as required a Linkage steering e) of the in parallel hinged two cover link gears of piston rod end.When piston rod operation overhanging/when inside contracting, that the moving two cover link gears of push/pull drive Synchronous pull rods 79 is past/return translation, thereby make snap close 78/back rotation, realize the purpose that door-plate 72 and doorframe 71 are locked/unclamped.Be provided with a combination joint box 81 in top, doorframe 71 left sides (or right side), combination is provided with shift knob and sound and light alarm on joint box 81, makes up simultaneously joint box 81 and also connects and be arranged on closing on door-plate 72/open limit switch 82 and lock/unclamp limit switch 83.
The hydraulic power system 73 of hydraulic efficiency hinge formula Watertight door device has quadruplet, be separately positioned on the platform four supernatant mechanical cabins of root post 2 indoor, every cover hydraulic power system 73 is comprised of electric hydraulic pump 84, electromagnetic valve group 85 and fuel tank 86, electric hydraulic pump 84 is connected the other oil way valve block 87 of door that is arranged on doorframe 71 left sides with hydraulic tubing by electromagnetic valve group 85, the other oil way valve block 87 of door by hydraulic tubing respectively connection closed/unlatchings oil cylinder 75 with lock/unclamp oil cylinder 80, be used for providing hydraulic power to corresponding oil cylinder.
The control system 74 of hydraulic efficiency hinge formula Watertight door device comprises that quadruplet is fixed on the centralized-control box 89 that Zone control cabinet 88 on hydraulic power system 73 and a cover are arranged on Central Control Room.Every cover Zone control cabinet 88 comprises a programmable controller (PLC) and a warning device on the spot, be used for monitoring and control hydraulic power system 73 and system power supply, operation mode and running state, and realize distance control by 81 pairs of watertight doors of combination connection box.Centralized-control box 89 is comprised of Ethernet switch, power module, touch-screen and Digiplex, be used for monitoring and control all hydraulic power system 88 and system power supply, operation mode and running state, and all watertight doors carried out remote servicing control.Form a unified integral body by ethernet (Ethernet) between four Zone control cabinets 88 and between each Zone control cabinet 88 and centralized-control box 89, thereby realize disperseing centralized control.
In above-described embodiment, on doorframe 71 forward and backward sides, one hand Hydraulic Pump 90 is set respectively, hand hydraulic pump 90 carries fuel tank and the other oil way valve block 87 of connection door, purpose is in the situation that system's dead electricity or hydraulic power system 73 et out of orders, and the staff can use hand hydraulic pump 90 to provide hydraulic power (as Figure 16, shown in Figure 17) for closing/open oil cylinder 75 and locking/unclamp oil cylinder 80 on the spot.
in above-described embodiment, the one standby energy storage 91 of cover is set on hydraulic power system 73 sides, standby energy storage 91 comprises some pressure cylinders 92, pressure cylinder 92 is connected on hydraulic tubing between electric hydraulic pump 84 and electromagnetic valve group 85 by valve, purpose is at system's dead electricity or hydraulic power system 73 et out of orders, the staff can not arrive under the extreme case of hand hydraulic pump 90 positions simultaneously, the valve of opening pressure cylinder 92 with manual mode is filled with nitrogen in hydraulic tubing, can be some groups of being subordinate to closes/opens oil cylinder 75 and lock/unclamp oil cylinder 80 and complete simultaneously for several times that action provides propulsion source (as shown in figure 21).
In above-described embodiment, the quantity of electric hydraulic pump 84 is two, purpose is to make two electric hydraulic pumps 84 standby each other, and electric hydraulic pump 84 et out of orders or when carrying out large repairs, guarantee that hydraulic power system 73 still can work (as shown in figure 19) therein.
In above-described embodiment, be covered with fire-proofing material on doorframe 71 and door-plate 72, can reach A60 and above fire-protection rating.
As Fig. 3, shown in Figure 22, the present invention respectively is provided with a hydraulic rotary burner boom 93 on the port and starboard of platform stern main deck 5, hydraulic rotary burner boom 93 comprises burner boom trestle 94, swivel arm 95, oil cylinder 96,96 ' and burner boom latching device 97, wherein oil cylinder 96 axis that is parallel to burner boom trestle 94 is fixed on a side of burner boom trestle 94, oil cylinder 96 ' be fixed on perpendicular on the residing main deck 5 of burner boom trestle 94.Oil cylinder 96,96 ' the mouth two ends of connection of rotating arm 95 respectively, drive burner boom trestle 94 around 97 anticlockwises of burner boom latching device or right rotation by oil cylinder 96,96 ' combined action.
As shown in figure 23, the present invention has designed a cover high-pressure cleaning system, this high-pressure cleaning system comprises water tank 98 and the high pressure cleaning pump 99 that is arranged on main deck 5, and enter each slurry cabin 100 of buoyancy tank 1 by high pressure line, on slurry cabin 100 bulkheads according to the nozzle (not shown) of calculating the reasonable Arrangement some.When cleaning, high pressure cleaning pump 99 forms high-pressure water mist by nozzle after the water in water tank 98 is pressurized to certain pressure, thereby the mud incrustation on slurry cabin 100 bulkheads is rinsed, and then drains by drainage.
As shown in figure 24, the present invention has designed a cover landwaste screening delivery system, this landwaste screening delivery system comprises 6 vibrating grizzlies that are arranged side by side 101, slurry dispenser (not shown) on all vibrating grizzly 101 connecting platforms, thus will be assigned on vibrating grizzly 101 from the mud that the shaft bottom is returned.The below of vibrating grizzly 101 is provided with a mud ditch 102, and the exit of vibrating grizzly 101 is provided with a landwaste groove 103, and the landwaste in mud enters in landwaste groove 103 from vibrating grizzly 101 outlets, and mud is in vibrating grizzly 101 enters mud ditch 102.Be provided with discharging switching device 104 on landwaste groove 103, the landwaste in landwaste groove 103 directly can be arranged the sea or the zero-discharge treatment system that is provided by the third party is provided through auger loader by discharging switching device 104, accomplished really to realize zero-emission.
The size of the buoyancy tank 1 in the various embodiments described above, column 2 and upper hull 4, and the height of rig floor 7 height and overhead traveling crane 9 etc. is only for illustrating the cited embodiment of the present invention, it can change to some extent, and should only not be limited to this.

Claims (17)

1. deep water semi-submersible drilling platform, it comprises two buoyancy tanks, connect two root posts on each described buoyancy tank, two columns on two columns on each described buoyancy tank and corresponding buoyancy tank connect by two groups of singletrees, four root post top braces one upper hulls, described upper hull top is main deck, be provided with a well system above the moon pool at described main deck middle part, described well system comprises that one is arranged on the rig floor of described moon pool top, be provided with a derrick on described rig floor, the top of described derrick is provided with day car, it is characterized in that:
One side increase of described derrick has to connect in advance half derrick space of drilling tool, arrange marine riser and marine riser Transporting equipment on the main deck of described moon pool front portion, arrange drill string and drill string Transporting equipment on the main deck at described moon pool rear portion, arrange blowout preventer and blowout preventer Transporting equipment on the main deck of described moon pool left part, arrange christmas tree and christmas tree Transporting equipment on the main deck of described moon pool right part; Corresponding with the four direction all around of described moon pool, four direction all around at described derrick is furnished with respectively to coordinate described marine riser and marine riser Transporting equipment marine riser to be delivered to the manipulator of well, be used for coordinating described drill string and drill string Transporting equipment drill string to be delivered to the pipe machine of carrying of well, be used on described rig floor the tube drawbench of discharging drill string, be used for coordinating the described overhead traveling crane tourist bus of drilling tool that hoists;
Adopt anchoring location and dynamic positioning integrated positioning system, anchor mooring positioning system is comprised of the forward and backward 4 groups of windlass that are arranged in described main deck port and starboard, and every group of described windlass is furnished with 3 anchor chains, and described anchor chain adopts R5 level mooring cable; Dynamic positioning system (DPS) is comprised of the power propeller of 8 360 ° of full circle swingings that are separately positioned on two forward and backward four corners, described buoyancy tank bottom.
2. a kind of deep water semi-submersible drilling platform as claimed in claim 1, is characterized in that: the mode that described marine riser employing is vertically deposited.
3. a kind of deep water semi-submersible drilling platform as claimed in claim 1, it is characterized in that: be provided with one on described platform and replenish the filling station of consumable store and work materials to platform from supply boat, described filling station comprises that one is fixed on the pedestal on described main deck larboard or starboard, have some groups of horizontally disposed supports on described pedestal, be supported with 1~2 cylinder by horizontally disposed turning cylinder between every group of described support, circumferentially be wound with the flexible pipe of be used for annotating a kind of consumable store and a work materials on each described cylinder, one end of every described flexible pipe is provided with the quick coupling of a connection supply boat, other end connection one is fixed on the hard pipe joint in the described support outside, described hard pipe joint is used for laying in accordingly the station on connecting platform, the turning cylinder of each described cylinder all connects a HM Hydraulic Motor that is fixed on described support, all described HM Hydraulic Motor all connect a hydraulic power station that is fixed on described pedestal, be provided with a selector valve on the hydraulic tubing between every described HM Hydraulic Motor and hydraulic power station, all hydraulic power station connection one is used for controlling the master cock of described HM Hydraulic Motor forward or reverse.
4. a kind of deep water semi-submersible drilling platform as claimed in claim 2, it is characterized in that: be provided with one on described platform and replenish the filling station of consumable store and work materials to platform from supply boat, described filling station comprises that one is fixed on the pedestal on described main deck larboard or starboard, have some groups of horizontally disposed supports on described pedestal, be supported with 1~2 cylinder by horizontally disposed turning cylinder between every group of described support, circumferentially be wound with the flexible pipe of be used for annotating a kind of consumable store and a work materials on each described cylinder, one end of every described flexible pipe is provided with the quick coupling of a connection supply boat, other end connection one is fixed on the hard pipe joint in the described support outside, described hard pipe joint is used for laying in accordingly the station on connecting platform, the turning cylinder of each described cylinder all connects a HM Hydraulic Motor that is fixed on described support, all described HM Hydraulic Motor all connect a hydraulic power station that is fixed on described pedestal, be provided with a selector valve on the hydraulic tubing between every described HM Hydraulic Motor and hydraulic power station, all hydraulic power station connection one is used for controlling the master cock of described HM Hydraulic Motor forward or reverse.
5. as claimed in claim 1 or 2 or 3 or 4 a kind of deep water semi-submersible drilling platform, it is characterized in that: be provided with one on described platform and prevent the wellhead area antiicer that well-control equipment freezes, described wellhead area antiicer is by the anti-freezer case, the anti-freezer transmission pump, marine riser, blowout preventer unit and some pipelines form, described anti-freezer case is arranged on described main deck, described anti-freezer case connects the input end of described anti-freezer transmission pump, described anti-freezer carries delivery side of pump to connect the gooseneck elbow that connects described marine riser by pipeline, be equipped with an anti-freezer diffuser that is communicated with the marine riser terminal tube coupling of described gooseneck elbow and marine riser bottom on described marine riser, described marine riser terminal tube coupling connects the anti-freezer diffuser of blowout preventer unit by pipeline, the other end of the anti-freezer diffuser of described blowout preventer unit connects the drilling rod flashboard of described blowout preventer unit.
6. as claimed in claim 1 or 2 or 3 or 4 a kind of deep water semi-submersible drilling platform, it is characterized in that: the bow of described main deck is provided with a life Lou Heyi and goes straight up to machine platform, and described helicopter platform is fixed on described life roof section and extends a segment distance; Be provided with a helicopter gas station on the main deck of described helicopter platform below, described helicopter gas station comprises a plurality of oil filling cabinets that are arranged side by side, and described oil filling cabinet outer setting has fuel charger, flexible pipe and nozzle; Each described oil filling cabinet supports and is fixed on a suspension bracket, the bottom of each described suspension bracket is provided with an emergency release, described emergency release comprises a sliding support and a fixed support, the bottom of described sliding support and support bracket fastened top have respectively the inclined-plane that matches, and described sliding support and fixed support link together by the chute that is arranged on the inclined-plane, and described sliding support can be slided until break away from described fixed support by relatively described fixed support; Be provided with the on-slip pin on chute between described sliding support and fixed support, described sliding support and fixed support are fixed together under normal condition; The top of described sliding support and described suspension bracket are fixed as one, and described fixed support is fixed on the main deck gunnel position of described helicopter platform below.
7. a kind of deep water semi-submersible drilling platform as claimed in claim 5, it is characterized in that: the bow of described main deck is provided with a life Lou Heyi and goes straight up to machine platform, and described helicopter platform is fixed on described life roof section and extends a segment distance; Be provided with a helicopter gas station on the main deck of described helicopter platform below, described helicopter gas station comprises a plurality of oil filling cabinets that are arranged side by side, and described oil filling cabinet outer setting has fuel charger, flexible pipe and nozzle; Each described oil filling cabinet supports and is fixed on a suspension bracket, the bottom of each described suspension bracket is provided with an emergency release, described emergency release comprises a sliding support and a fixed support, the bottom of described sliding support and support bracket fastened top have respectively the inclined-plane that matches, and described sliding support and fixed support link together by the chute that is arranged on the inclined-plane, and described sliding support can be slided until break away from described fixed support by relatively described fixed support; Be provided with the on-slip pin on chute between described sliding support and fixed support, described sliding support and fixed support are fixed together under normal condition; The top of described sliding support and described suspension bracket are fixed as one, and described fixed support is fixed on the main deck gunnel position of described helicopter platform below.
8. as claim 1 or 2 or 3 or 4 or 7 described a kind of deep water semi-submersible drilling platforms, it is characterized in that: respectively be provided with a underwater robot platform on the port and starboard of described platform, the part of described underwater robot platform is fixed on described main deck, and another part extends described main deck and its underpart is fixed with bracing frame; Be provided with one in the middle of the external part of described underwater robot platform and transfer window for what robot was under water transferred, the external part top of described underwater robot platform is provided with a support, it is three layers that described support from top to bottom is divided into, and is disposed with two guide rope winches, umbilical cables winch and a sliding seat cushion; Be provided with a compensation of undulation winch and a hydraulic power station on the fixed end of described underwater robot platform; Two described guide rope winches connect a weight block by steel rope, described umbilical cables winch connects under-water robot by cable, described compensation of undulation winch is connected with pulley on being fixed on described support by hawser, and the lower end of hawser connects the pulley on under-water robot; Described sliding seat cushion is positioned at described top of transferring window, and it is used for depositing under-water robot when robot does not use under water, and the described window of transferring that slips away when robot carries out under-water operation under water is to facilitate under-water robot to transfer.
9. as claim 1 or 2 or 3 or 4 or 7 described a kind of deep water semi-submersible drilling platforms, it is characterized in that: be provided with an integrated drainage device on described platform, described integrated drainage device comprises that a horizontal drain pipe that is arranged on described upper hull stern bottom surface and two close on described horizontal drain pipe and are positioned at the vertical drain hose of two described column inboards; The top of two described vertical drain hoses is respectively infundibulate, and to catch the water by the two ends outflow of described horizontal drain pipe, the bottom of two described vertical drain hoses causes underwater; On described platform, the draining external pipeline of each system connects described horizontal drain pipe or vertical drain hose nearby by the mode of welding.
10. as claim 1 or 2 or 3 or 4 or 7 described a kind of deep water semi-submersible drilling platforms, it is characterized in that: with respect to body top, four propelling unit cabins, be respectively arranged with the maintenance window lid of a sealing at the end face of described buoyancy tank.
11. as claim 1 or 2 or 3 or 4 or 7 described a kind of deep water semi-submersible drilling platforms, it is characterized in that: described platform adopts hydraulic efficiency hinge formula Watertight door device as the gangway of interior compartment under staff's Inlet and outlet water, and described hydraulic efficiency hinge formula Watertight door device comprises doorframe, door-plate, hydraulic power system and control system; Described doorframe and door-plate adopt chain connection, and the top of described doorframe and bottom respectively are provided with one and close/open oil cylinder, and its cylinder body and piston rod end are hinged with described doorframe and door-plate respectively;
The inboard surrounding of described doorframe is provided with some symmetrical fixedly wedges along the limit, described door-plate outside surrounding is provided with a fixing axle bed along position corresponding to the described wedge of limit and each, one " duck head " type snap close is installed on described axle bed, the caudal peduncle parallel connection of all described snap closes is hinged on four Synchronous pull rods, four described Synchronous pull rods are hinged on respectively on two cover link gears, and the described link gear of every cover forms by first connecting rod, second connecting rod, guide link and third connecting rod are hinged; Be provided with one at close described door-plate lower position and lock/unclamp oil cylinder, its cylinder body and described door-plate are hinged, the first connecting rod of the in parallel hinged two described link gears of cover of piston rod end; Be provided with a combination joint box above described doorframe one side, be provided with shift knob and sound and light alarm on described combination joint box, and described combination joint box connects also and is arranged on one on described door-plate and closes/open limit switch and and lock/unclamp limit switch;
Described hydraulic power system has quadruplet, be separately positioned on four supernatant mechanical cabins of described column indoor, the described pressure power of every cover liquid system is comprised of electric hydraulic pump, electromagnetic valve group and fuel tank, described electric hydraulic pump is connected the other oil way valve block of door that is arranged on described doorframe left side with hydraulic tubing by described electromagnetic valve group, the other oil way valve block of described door connects respectively described closing/open oil cylinder and locking/unclamp oil cylinder by hydraulic tubing;
Described control system comprises that quadruplet is fixed on the centralized-control box that Zone control cabinet on described hydraulic power system and a cover are arranged on Central Control Room; The described Zone control cabinet of every cover comprises a programmable controller and a warning device on the spot, be used for monitoring and controlling described hydraulic power system and system power supply, operation mode and running state, and by described combination connection box, watertight door realized distance control; Described centralized-control box is comprised of Ethernet switch, power module, touch-screen and Digiplex, be used for monitoring and control all hydraulic power system and system power supply, operation mode and running state, and all watertight doors are carried out remote servicing control, form a unified integral body by ethernet between four described Zone control cabinets and between each described Zone control cabinet and described centralized-control box, can realize disperseing centralized control.
12. a kind of deep water semi-submersible drilling platform as claimed in claim 11 is characterized in that: on described doorframe forward and backward side, one hand Hydraulic Pump is set respectively, described hand hydraulic pump carries fuel tank and connects the other oil way valve block of described door.
13. a kind of deep water semi-submersible drilling platform as claimed in claim 11, it is characterized in that: a standby energy storage of cover is set on described hydraulic power system side, described standby energy storage comprises some pressure cylinders, and described pressure cylinder is connected on hydraulic tubing between described electric hydraulic pump and electromagnetic valve group by valve.
14. as claim 1 or 2 or 3 or 4 or 7 or 12 or 13 described a kind of deep water semi-submersible drilling platforms, it is characterized in that: respectively be provided with a hydraulic rotary burner boom on the port and starboard of described platform stern main deck, described hydraulic rotary burner boom comprises burner boom trestle, swivel arm, the first oil cylinder, the second oil cylinder and burner boom latching device, the axis that described the first oil cylinder is parallel to described burner boom trestle is fixed on a side of described burner boom trestle, and described the second oil cylinder is fixed on perpendicular on the residing main deck of described burner boom trestle; Described the first oil cylinder be connected the mouth of oil cylinder and connect respectively the two ends of described swivel arm, drive described burner boom trestle around the anticlockwise of described burner boom latching device or right rotation by described the first oil cylinder and the second oil cylinder combined action.
15. as claim 1 or 2 or 3 or 4 or 7 or 12 or 13 described a kind of deep water semi-submersible drilling platforms, it is characterized in that: be provided with a cover high-pressure cleaning system on described platform, described high-pressure cleaning system comprises water tank and the high pressure cleaning pump that is arranged on described main deck, and enter each slurry cabin of described buoyancy tank by high pressure line, be furnished with some nozzles on described slurry cabin bulkhead.
16. as claim 1 or 2 or 3 or 4 or 7 or 12 or 13 described a kind of deep water semi-submersible drilling platforms, it is characterized in that: be provided with a cover landwaste screening delivery system on described platform, described landwaste screening delivery system comprises some the vibrating grizzlies that are arranged side by side, the below of described vibrating grizzly is provided with a mud ditch, the exit of described vibrating grizzly is provided with a landwaste groove, landwaste in mud enters in described landwaste groove from described vibrating grizzly outlet, and mud is in described vibrating grizzly enters described mud ditch; Be provided with shifter on described landwaste groove, the landwaste in described landwaste groove directly can be arranged the sea or the zero-discharge treatment system that is provided by the third party is provided through auger loader by described shifter.
17. as claim 1 or 2 or 3 or 4 or 7 or 12 or 13 described a kind of deep water semi-submersible drilling platforms, it is characterized in that: the length of described buoyancy tank is 114.07m, wide is 20.12m, and height is 8.54m; Described column is long is 17.385m, and wide is 15.860m, and height is 21.46m; The length of described upper hull is 77.47m, and wide is 74.42m.
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6524049B1 (en) * 1997-06-11 2003-02-25 Workships Contractors B.V. Semi-submersible, mobile drilling vessel with storage shaft for tubular drilling equipment
WO2006123147A1 (en) * 2005-05-17 2006-11-23 Anthony Stephen Bamford Tubing support assembly, vessel and method of deploying tubing
CN101219705A (en) * 2008-01-14 2008-07-16 中国海洋石油总公司 Semi-submersible drilling platform
CN201737142U (en) * 2009-10-27 2011-02-09 中国海洋石油总公司 Deepwater semi-submersible type drilling platform

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050248334A1 (en) * 2004-05-07 2005-11-10 Dagenais Pete C System and method for monitoring erosion

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6524049B1 (en) * 1997-06-11 2003-02-25 Workships Contractors B.V. Semi-submersible, mobile drilling vessel with storage shaft for tubular drilling equipment
WO2006123147A1 (en) * 2005-05-17 2006-11-23 Anthony Stephen Bamford Tubing support assembly, vessel and method of deploying tubing
CN101219705A (en) * 2008-01-14 2008-07-16 中国海洋石油总公司 Semi-submersible drilling platform
CN201737142U (en) * 2009-10-27 2011-02-09 中国海洋石油总公司 Deepwater semi-submersible type drilling platform

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