CN109515656B - Emergent instrument of retrieving of control module under water - Google Patents
Emergent instrument of retrieving of control module under water Download PDFInfo
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- CN109515656B CN109515656B CN201811504344.0A CN201811504344A CN109515656B CN 109515656 B CN109515656 B CN 109515656B CN 201811504344 A CN201811504344 A CN 201811504344A CN 109515656 B CN109515656 B CN 109515656B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/52—Tools specially adapted for working underwater, not otherwise provided for
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Abstract
The invention discloses an emergency recovery tool for an underwater control module, and belongs to the field of marine petroleum engineering. The system comprises a frame, a beam lifting assembly, an SCM latch assembly, a guide screw rod seat, a guide pipe upper block, a protective shell, a locking mechanism, a bottom skirt structure, a soft landing assembly, an ROV handrail, a guide block, a control panel and a lower butt joint disc. According to the invention, the transverse movement of the locking disc in the SCM latch assembly changes the contact diameter with the rotary jack, so that the locking and unlocking functions are achieved; the hydraulic motor drives the SCM middle screw rod to move through the four-blade type cross structure, and locking and unlocking of the SCM and the lower butt joint disc are achieved. And a lifting mechanism in the beam lifting assembly realizes the vertical movement of the beam lifting assembly according to a worm gear, a nut and a lead screw transmission mode. The locking hydraulic cylinder rod is driven to move through hydraulic driving, the hook is driven to rotate, and locking and unlocking of the recovery tool and the SCM mounting base are achieved. The soft landing function of the recovery tool is realized through the combined action of the damping hole and the spring.
Description
Technical Field
The invention discloses an emergency recovery tool for an underwater control module, and belongs to the field of marine petroleum engineering.
Background
With the development of underwater oil fields from 1960, the installation number of Christmas trees is rapidly increased, and the development of an underwater production system puts higher requirements on an underwater control module, wherein the control distance reaches 100km, the water depth reaches 3000m, and the pressure is 103 MPa. This is because SCM systems become more complex, data collection is more accurate, response time is faster, and overall performance is improved, leading to increasingly frequent installation of subsea control modules. The ocean engineering equipment is not only the development of novel equipment, but also the improvement and the extension of the existing equipment, which means that the new installation technology capability needs to be matched with the existing equipment to meet the requirements of the existing equipment on the installation technology.
The underwater control module is an execution device of the underwater control system. The device is a set of underwater control equipment which can be independently designed, debugged and installed, serialized and standardized, is used for completing the opening and closing of a valve on an underwater production facility and feeding parameters and seabed information on the underwater production facility back to a ground main control station in real time. The underwater control module comprises a hoisting locking mechanism, an underwater electronic module, a hydraulic system, a pressure compensator, an upper butt joint disc, a lower butt joint disc and the like.
The emergency recovery of the underwater control module is carried out along with the daily production of the whole oil field, and the SCM installation and recovery technology is important because the SCM has high failure rate, and the failure rate of the SCM reaches 30.64 percent of the whole underwater production system in various devices in the underwater production system. It can be seen that the maintenance and replacement of the SCM is particularly important, which is also a major reason for underwater docking of SCMs.
The underwater control module emergency recovery tool is mechanical equipment for executing SCM releasing and recovering tasks. According to the factors of the installation depth of the underwater production facility, sea conditions and the like, the installation and recovery of the downward control module must be provided with corresponding installation tools, wherein the related key technologies comprise a downward recovery technology, an underwater buffering technology, a butt joint locking technology and the like.
Disclosure of Invention
The invention provides an emergency recovery tool for an underwater control module, and aims to provide an emergency recovery tool capable of realizing emergency recovery and installation functions of the underwater control module when the underwater control module breaks down or is damaged.
The purpose of the invention is realized as follows:
the invention comprises a frame 1, a lifting beam assembly 2, an SCM latch assembly 3, a lead screw seat 4, a conduit upper block 5, a protective shell 6, a recovery tool locking mechanism 7, a bottom skirt structure 8, a recovery tool soft landing assembly 9, an ROV armrest 10, a guide block 11, a control panel 12, a lower docking tray 13 and an SCM mounting base 14. The lifting beam assembly is arranged on the guide screw rod seat and the guide pipe upper block and is connected and arranged on the frame through a bolt; the SCM latch assembly is arranged on a beam-lifting support weldment in the beam-lifting assembly, the SCM locks and unlocks a lower butt joint disc, and the lower butt joint disc is arranged at a corresponding position of an SCM mounting base; the recovery tool locking mechanism, the soft landing assembly and the protective shell are uniformly arranged on the front side and the rear side of the frame; the bottom skirt structure is connected with a piston rod in the soft landing assembly; the ROV handrail and the control panel are arranged in front of the frame.
The lifting beam assembly comprises a lifting mechanism 201, a hydraulic motor 202, a lifting beam weldment 203, a roller chain 204, a lifting beam bracket weldment 205, a conduit 206, a sprocket 207, a lifting beam slider 208 and a lead screw 209. The lifting mechanisms are arranged on the guide screw rods, symmetrically distributed at two ends of the beam-lifting weldment and vertically moved by a hydraulic motor connected with one end of the beam-lifting weldment; the chain wheel is arranged at the other end of the lifting mechanism and is provided with a roller chain; the beam lifting slide block is used for connecting the lifting mechanism and the beam lifting weldment; the guide pipe penetrates through the beam lifting sliding block to prevent the lifting mechanism from rotating circumferentially.
The SCM latch assembly comprises a top plate 301, a side plate 302, a spacer block 303, a switch mounting bracket 304, a bottom plate 305, a locking plate 306, a support ring 307, a four-leaf cross structure sleeve 308, a connecting block 309, a four-leaf cross structure 310, a cylinder moving block 311, a connecting shell 312, a hydraulic motor 313, a coupler 314 and an SCM locking cylinder 315. The support ring and the side disc are arranged on the chassis; the locking disc is connected with the cylinder moving block and is arranged in a groove of the side disc, and the locking disc is driven to move through the movement of the cylinder moving block to realize locking and unlocking; the gasket block is arranged on the side disc; the switch mounting bracket is mounted on the gasket block; the top disc is arranged on the side disc; the hydraulic motor is connected with the connecting block through a coupling; the four-blade type cross structure is connected with the connecting block, has the functions of correction and guidance, and realizes the locking and unlocking of the SCM to the lower docking disk 13 under the action of the hydraulic motor, and the lower docking disk 13 is arranged on the corresponding position of the SCM mounting base 14; the connecting shell is connected with the hydraulic motor and the four-blade type cross structure in a sleeved mode and is installed on the top disc.
The recovery tool locking mechanism includes a locking hydraulic cylinder 701, a locking hydraulic cylinder rod 702, and a hook 703. The locking hydraulic lever is connected with the hook through a pin shaft; the locking hydraulic cylinder barrel and the hook are respectively connected and installed on the frame through a pin shaft.
The soft landing assembly of the recovery tool comprises a shell 901, a tail disc 902, a spring 903, a moving sleeve 904, a piston rod 905, a fixed sleeve 906 and a front disc 907. The tail disc is arranged on the piston rod; the moving sleeve is arranged between the piston rod and the tail disc; the spring is arranged between the piston cylinder and the shell; the front disc is arranged on the shell; the fixed sleeve is arranged between the front disc and the shell; one end of the piston rod is connected with the bottom skirt structure.
The invention also includes:
the locking disc limits the freedom degrees in two directions by changing the diameter and the area of the contact of the locking disc and the rotary insertion hole, and realizes the locking and bearing functions;
the four-blade type cross structure has the functions of guiding and driving the screw rod to rotate, and is in contact with four surface lines of the cuboid structure at the top of the screw rod;
a series of damping holes are formed in a shell of the soft landing component of the recovery tool to adjust the flow of water and provide damping force, and in the process of compressing the piston rod, the soft landing function of the recovery tool is realized by closing the damping holes and the compression spring in sequence; the bottom of the piston rod is connected with a bottom skirt structure;
the guide block of the bottom skirt structure and a series of triangular rib plates.
Compared with the prior art, the invention has the advantages that:
1. according to the invention, the four-blade type cross structure is adopted, so that the butt joint of the square interface and the square part is abandoned, the damage of tools or parts caused by deviation in the butt joint process is avoided, the installation and recovery of the SCM are influenced, and the four-blade type cross structure has the correction and guide effects and can achieve a good butt joint effect.
2. According to the invention, the vertical up-and-down movement of the beam lifting assembly is realized through the transmission mode of the guide pipe and the symmetrical worm gear, worm and nut and screw rods, and the SCM is lifted and lowered through the locking of the SCM latch assembly on the SCM. In addition, the synchronism of the movement is kept through a chain transmission mode, and the occurrence rate of faults is reduced.
3. According to the invention, the locking of the emergency recovery tool and the SCM mounting base and the buffer function of the emergency recovery tool in the process of placing the emergency recovery tool on the SCM mounting base are realized through the symmetrically distributed locking mechanisms and the soft landing components. Wherein a series of damping holes are distributed on the shell in the soft landing component, and the soft landing component realizes the buffer function under the combined action of the damping holes and the spring, and has the characteristics of simple structure, few influencing factors, no need of manual operation and the like.
Drawings
FIG. 1 is a general block diagram of the present invention;
FIG. 2 is a diagram of an SCM mounting base of the present invention;
FIG. 3 is a schematic diagram of a Subsea Control Module (SCM) of the present invention;
FIG. 4 is a block diagram of the lift beam assembly of the present invention;
FIG. 5 is a block diagram of a SCM latch assembly of the present invention;
FIG. 6 is a cross-sectional view of an SCM latch assembly of the present invention;
FIG. 7 is a four-leaf crossover structure of the present invention;
FIG. 8 is a structural view of the locking mechanism of the present invention;
FIG. 9 is a structural view of a damper mechanism of the present invention;
figure 10 is a bottom skirt construction of the present invention.
Detailed Description
The invention will now be described in more detail by way of example with reference to the accompanying drawings in which:
with reference to fig. 1-10, the present invention comprises a frame 1, the frame 1 being connected to a bottom skirt structure 8 by a threaded connection to a piston rod 905 in a soft landing assembly 9 of a retrieval tool; the beam lifting assembly 2 is arranged on the guide screw rod seat 4 and the guide pipe upper block 5; the guide screw rod seat 4 and the guide pipe upper block 5 are connected and installed on the frame 1 through bolts; the SCM latch assembly 3 is mounted on a beam-lifting bracket weldment 205 in the beam-lifting assembly 2 through bolt connection; the recovery tool locking mechanism 7 is mounted on the frame 1 by pin connection or the like; the soft landing components 9 of the recovery tool are uniformly arranged on the front side and the rear side of the frame 1 through bolt connection, and each side is provided with 2 soft landing components 9 of the recovery tool; the protective shell 6 is connected and installed on the front side and the rear side of the frame 1 through bolts; an ROV handrail 10 is welded on the frame 1 to facilitate the operation of the control panel by the ROV; the guide blocks 11 are uniformly arranged at four vertex angles inside the frame 1 through bolt connection; the control panel 12 is installed on the front side of the frame 1 through bolt connection; the lower docking tray 13 is mounted on the SCM mounting base 14 at a corresponding position.
The lifting mechanism 201 in the lifting beam assembly 2 is arranged on a lifting beam sliding block 208, one end of the lifting mechanism is connected with the hydraulic motor 202, and the other end of the lifting mechanism is connected with the chain wheel 207 through a key; the lifting beam sliding blocks 208 are arranged on two sides of the lifting beam weldment 203, and the roller chains 204 are arranged on the chain wheel 207; the beam-lifting support weldment 205 is mounted and rotated on the beam-lifting weldment 203; the guide pipe 206 is arranged on the guide pipe upper block 5 through the lifting beam sliding block 208; the lead screw 209 is mounted on the lead screw base 4 through the elevating mechanism 201.
The side plates 302 of the SCM latch assembly 3 are symmetrically mounted on the chassis 305; the top plate 301 is mounted on the side plate 302; the hydraulic motor 313 is connected with the coupling 314 by a key connection and is connected with the connecting shell 312; the connecting shell 312 is connected with the four-leaf type cross structure sleeve 308; one end of the connecting block 309 is connected with the coupling 314 through a key connection, and the other end is connected with the four-blade type cross structure 310; one end of the SCM locking cylinder barrel 315 is fixed through a pin shaft, and the other end is connected with the cylinder moving block 311; the cylinder moving block 311 is arranged in the grooves of the two side discs 302, and the support ring 307 is arranged on the bottom disc 305; the shim stock 303 is mounted on the side disc 302; the switch mounting bracket 304 is mounted on the spacer block 303.
A locking hydraulic cylinder 701 in the recovery tool locking mechanism 7 is mounted on the frame 1 through a pin shaft; the locking hydraulic lever 702 is connected with the locking hydraulic cylinder 701 and is connected with the hook 703 through a pin shaft; the hook 703 is mounted to the bottom of the frame 1 by a pin.
The tail disc 902 in the soft landing component 9 of the recovery tool is arranged on the piston rod 905; a spring 903 is installed between the piston rod 905 and the housing 901; a moving sleeve 904 is mounted between the tail disc 902 and the piston rod 905; the harness 906 is mounted between the housing 901 and the front plate 907; front plate 907 is attached to housing 901 by bolting.
The invention adopts the following installation steps:
the first step is as follows: mounting the guide blocks 11 at four corner positions inside the frame 1;
the second step is that: the lifting beam assembly 2 is installed. Mounting a beam-lifting slide block 208 on a beam-lifting weldment 203, mounting a hydraulic motor 202 and a chain wheel 207 on a lifting mechanism 201, mounting the lifting mechanism on the beam-lifting slide block 208, mounting a roller chain 204 on the chain wheel 207, mounting a beam-lifting bracket weldment 205 on the beam-lifting weldment 203, and mounting a guide pipe 206 and a guide screw 209 on a guide screw rod seat 4 and a guide pipe upper block 5 through the beam-lifting slide block 208;
the third step: the SCM latch assembly 3 is installed. Respectively connecting a hydraulic motor 313 and a connecting block 309 with a coupler 314, connecting the connecting block 309 with a four-blade type cross structure 310, connecting a connecting shell 312 with the hydraulic motor and fixing the connecting shell to a top plate 301, connecting a four-blade type cross structure sleeve 308 with a connecting sleeve 312, installing a supporting ring 307 on a bottom plate 305, installing a side plate 302 on the bottom plate 305, fixing one end of an SCM locking cylinder 315 through a pin shaft, and connecting a cylinder moving block 311 with a locking plate 306;
the fourth step: mounting the SCM latch assembly 3 to the beam-lifting bracket weldment 205 of the beam-lifting assembly 2 by bolting;
the fifth step: mounting a lead screw seat 4 and a conduit upper block 5 on the frame 1 through bolt connection;
and a sixth step: a locking hydraulic cylinder rod 702 is connected with a hook 703 through a pin shaft, and a locking hydraulic cylinder barrel 701 and the hook 703 are respectively arranged on a frame 1 through the pin shaft;
the seventh step: the recovery tool soft landing assembly 9 is installed. Mounting a moving sleeve 904 on a piston rod 905, mounting a tail disc 902 on the piston rod 905 to fix the moving sleeve, mounting a spring 903 on a housing 901, mounting the piston rod 905 in the housing 901, mounting a fixing sleeve 906 between the piston rod 905 and the housing 902, and mounting a front disc 907 on the housing 901;
eighth step: uniformly installing the soft landing components 9 of the recovery tool on the front side and the rear side of the frame 1, and installing two soft landing components 9 on each side;
the ninth step: connecting the bottom skirt structure 8 with the piston rod 905;
the tenth step: mounting the protective case 6 to the front and rear sides of the frame 1;
the eleventh step: welding the ROV handrail 10 to the front side of the frame 1;
the twelfth step: a control panel is mounted to the front side of the frame 1.
The working principle of the invention is as follows:
emergent recovery tool of underwater control module is in the state of stretching out at transfer in-process piston rod 905, and jar movable block 311 is in compression state, and after bottom skirt structure 8 dropped on SCM mounting base 14, piston rod 905 was the compression motion, under the combined action of spring 903 and damping hole, slowed down emergent recovery tool's falling speed, realized cushioning effect.
When the emergency recovery tool is completely dropped onto the SCM mounting base 14, the locking cylinder rod 702 is hydraulically controlled to extend to drive the hook 703 to rotate, so that the emergency recovery tool is locked with the SCM mounting base 14.
When the locking of the emergency recovery tool to the SCM mounting base 14 is completed, the lifting mechanism 201 is driven by the hydraulic motor 202 to move, thereby driving the lifting beam assembly 2 and the SCM latch assembly 3 to move vertically along the conduit 206 until the SCM rotary jack 15 is engaged with the SCM latch assembly 3.
When the lifting beam assembly 2 and the SCM latch assembly 3 move to be combined with the rotary jack 15, the hydraulic drive cylinder moving block 311 moves, and meanwhile, the locking disc 306 is driven to move transversely, so that the SCM is locked. The hydraulic motor 313 drives the four-blade type cross structure 310 to move through the coupler 314 and the connecting block 309, so that the movement of a lead screw in the SCM is realized, and the unlocking of the SCM and the lower docking tray 13 is realized.
After the SCM and the lower butt joint disc 13 are unlocked, according to the working principle, the lifting movement of the beam lifting assembly 2, the SCM latch assembly 2 and the SCM and the unlocking of the recovery tool locking mechanism 7 are completed in sequence, and finally, the underwater control module emergency recovery tool and the underwater control module (SCM) are lifted to an overwater platform together to replace and maintain the SCM.
Claims (4)
1. The utility model provides an emergent instrument of retrieving of control module under water which characterized in that: the device comprises a framework (1), a beam lifting assembly (2), an SCM latch assembly (3), a guide screw rod seat (4), a guide pipe upper block (5), a protective shell (6), a recovery tool locking mechanism (7), a bottom skirt structure (8), a recovery tool soft landing assembly (9), an ROV handrail (10), a guide block (11), a control panel (12), a lower butt joint disc (13) and an SCM mounting base (14); the lifting beam assembly is arranged on the guide screw rod seat and the guide pipe upper block and is connected and arranged on the frame through a bolt; the SCM latch assembly is arranged on a beam-lifting support weldment in the beam-lifting assembly, the SCM locks and unlocks a lower butt joint disc, and the lower butt joint disc is arranged at a corresponding position of an SCM mounting base; the recovery tool locking mechanism, the soft landing assembly and the protective shell are uniformly arranged on the front side and the rear side of the frame; the bottom skirt structure is connected with a piston rod in the soft landing assembly; the ROV handrail and the control panel are arranged in front of the frame;
the beam lifting assembly comprises a lifting mechanism (201), a hydraulic motor (202), a beam lifting weldment (203), a roller chain (204), a beam lifting bracket weldment (205), a guide pipe (206), a chain wheel (207), a beam lifting slide block (208) and a lead screw (209); the lifting mechanisms are arranged on the guide screw rods, symmetrically distributed at two ends of the beam-lifting weldment and vertically moved by a hydraulic motor connected with one end of the beam-lifting weldment; the chain wheel is arranged at the other end of the lifting mechanism and is provided with a roller chain; the beam lifting slide block is used for connecting the lifting mechanism and the beam lifting weldment; the guide pipe penetrates through the beam lifting sliding block;
the SCM latch assembly comprises a top disc (301), a side disc (302), a gasket block (303), a switch mounting bracket (304), a base disc (305), a locking disc (306), a support ring (307), a four-blade type cross structure sleeve (308), a connecting block (309), a four-blade type cross structure (310), a cylinder moving block (311), a connecting shell (312), a hydraulic motor (313), a coupler (314) and an SCM locking cylinder barrel (315); the support ring and the side disc are arranged on the chassis; the locking disc is connected with the cylinder moving block and is arranged in a groove of the side disc, and the locking disc is driven to move through the movement of the cylinder moving block to realize locking and unlocking; the gasket block is arranged on the side disc; the switch mounting bracket is mounted on the gasket block; the top disc is arranged on the side disc; the hydraulic motor is connected with the connecting block through a coupling; the four-blade type cross structure is connected with the connecting block, has the functions of correction and guidance, and realizes the locking and unlocking of the SCM to the lower butt joint disc (13) under the action of the hydraulic motor, and the lower butt joint disc is arranged on the corresponding position of the SCM mounting base (14); the connecting shell is connected with the hydraulic motor and the four-blade type cross structure sleeve and is arranged on the top disc; the recovery tool locking mechanism comprises a locking hydraulic cylinder barrel (701), a locking hydraulic cylinder rod (702) and a hook (703); the locking hydraulic lever is connected with the hook through a pin shaft; the locking hydraulic cylinder barrel and the hook are respectively connected and installed on the frame through a pin shaft.
2. The emergency recovery tool of claim 1, wherein: the locking disk may vary in diameter and area of contact with the rotary socket.
3. The emergency recovery tool of claim 1, wherein: the soft landing component of the recovery tool comprises a shell (901), a tail disc (902), a spring (903), a movable sleeve (904), a piston rod (905), a fixed sleeve (906) and a front disc (907); the tail disc is arranged on the piston rod; the moving sleeve is arranged between the piston rod and the tail disc; the spring is arranged between the piston rod and the shell; the front disc is arranged on the shell; the fixed sleeve is arranged between the front disc and the shell; one end of the piston rod is connected with the bottom skirt structure.
4. The emergency recovery tool of claim 3, wherein: a shell in the soft landing component of the recovery tool is provided with a series of damping holes, and the damping holes and the compression spring are closed in sequence in the process of compressing the piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811504344.0A CN109515656B (en) | 2018-12-10 | 2018-12-10 | Emergent instrument of retrieving of control module under water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811504344.0A CN109515656B (en) | 2018-12-10 | 2018-12-10 | Emergent instrument of retrieving of control module under water |
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| Publication Number | Publication Date |
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| CN109515656A CN109515656A (en) | 2019-03-26 |
| CN109515656B true CN109515656B (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811504344.0A Active CN109515656B (en) | 2018-12-10 | 2018-12-10 | Emergent instrument of retrieving of control module under water |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112253050A (en) * | 2020-11-10 | 2021-01-22 | 中国海洋石油集团有限公司 | Emergency unlocking mechanism of underwater control module recovery tool |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8235121B2 (en) * | 2009-12-16 | 2012-08-07 | Dril-Quip, Inc. | Subsea control jumper module |
| US8464797B2 (en) * | 2010-04-30 | 2013-06-18 | Hydril Usa Manufacturing Llc | Subsea control module with removable section and method |
| NO346225B1 (en) * | 2012-07-20 | 2022-04-25 | Onesubsea Ip Uk Ltd | A rotating locking device, a subsea control module and method of unlocking a subsea control module |
| EP2984281B1 (en) * | 2013-04-09 | 2018-08-29 | Cameron International Corporation | Insertion and setting structure |
| CN105480398B (en) * | 2015-10-27 | 2017-10-31 | 哈尔滨工程大学 | The static seal Wedge-type butt joint locking mechanism of subsea control modules |
| US20170204704A1 (en) * | 2016-01-14 | 2017-07-20 | Paul M. Sommerfield | Remotely-Operated Subsea Control Module |
| WO2018019468A1 (en) * | 2016-07-29 | 2018-02-01 | Fmc Kongsberg Subsea As | Subsea control module system |
| CN106275330B (en) * | 2016-09-09 | 2018-01-19 | 哈尔滨工程大学 | A kind of subsea control modules spring forced locking device |
| CN206475136U (en) * | 2016-12-23 | 2017-09-08 | 中国石油大学(北京) | Installation and retracting device for subsea control modules in submerged production system |
| CN106475964B (en) * | 2016-12-23 | 2019-02-12 | 中国石油大学(北京) | Installation and recyclable device for subsea control modules in submerged production system |
| CN107253161B (en) * | 2017-05-08 | 2019-04-19 | 哈尔滨工程大学 | A kind of subsea control modules installation tool |
| CN207728350U (en) * | 2017-11-28 | 2018-08-14 | 海洋石油工程股份有限公司 | Subsea control modules squash type butt joint locking mechanism |
| CN207795113U (en) * | 2017-12-22 | 2018-08-31 | 中石化江钻石油机械有限公司 | Installation tool is recycled in a kind of decentralization for subsea control modules |
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Effective date of registration: 20220622 Address after: 15, building 258, ship building, 150001 Nantong Avenue, Nangang District, Heilongjiang, Harbin Patentee after: Harbin Engineering University Asset Management Co.,Ltd. Patentee after: Wang Liquan Address before: 150001 Intellectual Property Office, Harbin Engineering University science and technology office, 145 Nantong Avenue, Nangang District, Harbin, Heilongjiang Patentee before: HARBIN ENGINEERING University |
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Effective date of registration: 20220826 Address after: No. 402-2, 4th Floor, West District, Harbin Ship Electronics World, No. 258, Nantong Street, Nangang District, Harbin City, Heilongjiang Province, 150001 Patentee after: Harbin Harbin Marine Engineering Equipment Technology Co.,Ltd. Address before: 15, building 258, ship building, 150001 Nantong Avenue, Nangang District, Heilongjiang, Harbin Patentee before: Harbin Engineering University Asset Management Co.,Ltd. Patentee before: Wang Liquan |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230625 Address after: B9, Yard 1002, Xiliu Road, Dongying District (Dongying High tech Industrial Development Zone), Dongying, Shandong Province 257100 Patentee after: Shandong Weifei Hachuan Marine Technology Co.,Ltd. Address before: No. 402-2, 4th Floor, West District, Harbin Ship Electronics World, No. 258, Nantong Street, Nangang District, Harbin City, Heilongjiang Province, 150001 Patentee before: Harbin Harbin Marine Engineering Equipment Technology Co.,Ltd. |