CN113320641B - Single-point mooring device for marine crude oil output - Google Patents
Single-point mooring device for marine crude oil output Download PDFInfo
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- CN113320641B CN113320641B CN202110385582.XA CN202110385582A CN113320641B CN 113320641 B CN113320641 B CN 113320641B CN 202110385582 A CN202110385582 A CN 202110385582A CN 113320641 B CN113320641 B CN 113320641B
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- steel pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
- B63B21/507—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers with mooring turrets
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The invention discloses a marine crude oil output single-point mooring device, which comprises a fixing component, wherein the fixing component comprises a column steel pipe with an inner cavity and a fixing member arranged at the bottom end of the column steel pipe and used for fixing the column steel pipe on the water bottom; the rotating part is rotatably arranged at one end, far away from the bottom end, of the upright post steel pipe, and a mooring structure is arranged on one surface, far away from the upright post steel pipe, of the rotating part; and the outer conveying component is connected with the submarine pipeline and extends from the bottom end of the inner cavity of the upright post steel pipe to the other end so as to convey crude oil medium outwards. The invention reduces the sea area occupied by the marine crude oil export single-point mooring device, and can protect the ecological environment of the sea area because the marine crude oil export single-point mooring device does not need to build a non-underwater facility in a civil engineering, so that the marine crude oil export single-point mooring device has simpler structure, is convenient to install, improves the stability and reduces the building and maintenance cost.
Description
Technical Field
The invention relates to the technical field of marine crude oil export, in particular to a marine crude oil export single-point mooring device.
Background
The marine crude oil export single-point mooring device is used for mooring a tanker or an FPSO, can enable the tanker to have a wind vane effect, and is one of important equipment for marine oil development.
The following problems mainly exist for the existing single-point type: the area of sea area occupied by the catenary buoy type single-point anchor chain mooring is large, the installation of the anchor chain can cause marine ecological environment damage to the area with the sea area application range, the area with the marine ecological requirement cannot be put into use, meanwhile, the single-point mooring can generate instant impact when the tanker is berthed, the load is large, strict requirements are imposed on stability, the catenary single-point anchor chain mooring installation procedure is complex, the construction period is long, and the cost is high.
Disclosure of Invention
The invention aims to solve the technical problem of providing the marine crude oil export single-point mooring device which occupies a small sea area, does not damage the marine ecological environment, has high stability, is simple to install and has lower cost.
In order to solve the technical problems, the invention provides a marine crude oil output single-point mooring device, which comprises a fixing component, wherein the fixing component comprises a column steel pipe with an inner cavity and a fixing member arranged at the bottom end of the column steel pipe and used for fixing the column steel pipe to the water bottom; the rotating part is rotatably arranged at one end, far away from the bottom end, of the upright post steel pipe, and a mooring structure is arranged on one surface, far away from the upright post steel pipe, of the rotating part; and the outer conveying component is connected with the submarine pipeline and extends from the bottom end of the inner cavity of the upright post steel pipe to the other end so as to convey crude oil medium outwards.
Still further, the fixing member includes at least two that surround the stand steel pipe interval sets up, every the fixing member include with stand steel pipe interval sets up supplementary group spud leg and locate supplementary group spud leg is last and be two reinforcements of a preset contained angle, one of them the reinforcement is connected to the bottom of stand steel pipe, another the reinforcement is connected to keeping away from stand steel pipe bottom stand steel pipe is last.
Still further, the reinforcement includes first steel pipe, one end with the transition pipe fitting that first steel pipe is connected and connect the second steel pipe of transition pipe fitting other end, the second steel pipe is connected on the supplementary crowd spud leg that strengthens.
Furthermore, the auxiliary reinforcing group pile leg is also provided with a first reinforcing rib plate.
Still further, the rotating part comprises a fixed table and a rotary table, wherein the fixed table is arranged at one end of the stand column steel pipe far away from the bottom end, a groove is formed in the rotary table, a bearing is arranged in the groove, and the rotary table is rotatably arranged on the fixed table through the bearing.
Furthermore, a protection room is arranged on one surface of the turntable, which is far away from the upright post steel pipe, around the bearing, and a door body structure is arranged on the protection room.
Still further, be equipped with at least one hoist and mount component on the revolving stage, every hoist and mount component is including locating on the revolving stage and extend to the frame bracing of revolving stage scope outside, connect the frame bracing with hoist and mount track between the protection and the slip sets up hoist and mount calabash on the hoist and mount track.
Still further, the periphery interval of rotation portion is equipped with at least three protection component, every the protection component is including locating the protection stand of rotation portion periphery and locate the protection stand is kept away from the crashproof piece of rotation portion one side.
Further, a second reinforcing rib plate is arranged between the protection upright post and the rotating part.
Still further, the outer transmission assembly comprises a manifold platform arranged on the periphery of the upright steel pipe, at least one vertical pipe connected with the submarine pipeline and arranged in the inner cavity of the upright steel pipe, an upper pipeline connected with the vertical pipe and arranged on the manifold platform, a control valve arranged on the upper pipeline, at least one slip ring connected with the control valve and an outer transmission pipeline connected with the slip ring.
The invention has the technical effects that: by arranging the fixed component, the rotating part and the output component; the fixing component comprises a column steel pipe with an inner cavity and a fixing member arranged at the bottom end of the column steel pipe and used for fixing the column steel pipe to the water bottom; the rotating part comprises a turntable which is rotatably arranged at one end far away from the bottom end of the upright post steel pipe, and a mooring structure is arranged on the turntable; the outer transmission assembly is connected with the submarine pipeline and extends from the bottom end of the inner cavity of the upright post steel pipe to the other end to convey crude oil media outwards, so that the sea area occupied by the marine crude oil outer transmission single-point mooring device is reduced, and the marine ecological environment can be protected as the marine crude oil outer transmission single-point mooring device does not need to build a non-water facility, so that the marine structure is simpler, the installation is convenient, the stability is improved, and the building and maintenance cost is reduced.
Drawings
Fig. 1 is a schematic diagram of a front structure of a single point mooring device for marine crude oil export according to an embodiment of the present invention.
Fig. 2 is a schematic top structure view of a single point mooring device for marine crude oil export, according to an embodiment of the present invention.
Fig. 3 is a schematic view of a part of a structure of an export assembly in a marine crude oil export single point mooring device according to an embodiment of the present invention.
Wherein, 1, fixing the assembly; 11. column steel pipes; 12. a fixing member; 121. auxiliary reinforcing group pile legs; 122. a reinforcing member; 1221. a first steel pipe; 1222. a transition pipe fitting; 1223. a second steel pipe; 123. a first reinforcing rib plate.
2. A rotating part; 21. a turntable; 211. a groove; 22. a protective room; 23. hoisting the component; 231. a frame diagonal brace; 232. hoisting the rail; 233. hoisting the hoist; 24. a protective member; 241. a protective upright; 242. an anti-collision member; 243. and the second reinforcing rib plate.
3. An output assembly; 31. a manifold platform; 32. a riser; 33. an upper pipeline; 34. a control valve; 35. a slip ring; 36. an output pipeline; 361. pipeline sleeve.
40. A manhole; 41. hoisting points; 42. a storage battery; 43. a solar panel; 44. a lubricating oil injection tank; 45. a fog flute; 46. mooring a mooring chain; 47. mooring the dragon ear.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to limit the invention, so that those skilled in the art may better understand the invention and practice it.
The embodiment of the invention provides a marine crude oil export single-point mooring device, which is shown in the accompanying drawings from 1 to 3 and comprises a fixed component 1, a rotating part 2 and an export component 3; the fixing assembly 1 comprises a column steel pipe 11 with an inner cavity and a fixing member 12 arranged at the bottom end of the column steel pipe 11 and used for fixing the column steel pipe 11 to the water bottom; the rotating part 2 is rotatably arranged at one end, far away from the bottom end, of the upright post steel pipe 11, and one surface, far away from the upright post steel pipe 11, of the rotating part 2 is provided with a mooring structure; the external transmission assembly 3 is connected with a submarine pipeline and extends from the bottom end of the inner cavity of the upright steel pipe 11 to the other end so as to transmit crude oil medium (or other mediums) outwards.
Specifically, the number of the fixing assemblies 1 is selected according to actual requirements, and at least one fixing assembly can be two fixing assemblies, three fixing assemblies, four fixing assemblies, five fixing assemblies and the like. In the present embodiment, the number of the fixing members 1 is one.
Specifically, the fixing members 12 include at least two reinforcing group legs 121 disposed at intervals around the pillar steel pipe 11, each fixing member 12 includes an auxiliary reinforcing group leg 121 disposed at intervals from the pillar steel pipe 11, and two reinforcing pieces 122 disposed on the auxiliary reinforcing group leg 121 at a predetermined angle, one of the reinforcing pieces 122 being connected to the bottom end of the pillar steel pipe 11, and the other reinforcing piece 122 being connected to any position on the pillar steel pipe 11 away from the bottom end of the pillar steel pipe 11 (the position being located in the lower half of the pillar steel pipe 11). By this arrangement, the pillar steel pipe 11 can be supported at the bottom more stably.
In the present embodiment, the number of the fixing members 12 is four. According to actual requirements, the number of the components can be three, five, six and the like.
The preset included angle is an included angle larger than 0 degrees and smaller than 90 degrees, and the specific angle can be set to be 30 degrees, 40 degrees, 65 degrees and the like according to actual requirements. In this embodiment, the preset angle is 45 degrees, and the angle between the reinforcement 122 connected to the bottom end of the upright steel pipe 11 and the upright steel pipe 11 is 90 degrees, and correspondingly, the angle between the other reinforcement 122 and the upright steel pipe 11 is 45 degrees.
In this embodiment, the auxiliary reinforcing group leg 121 is a short cylinder, and the bottom is fixed to the water bottom to improve the stability of the column steel pipe 11. The stiffener 122 is a round steel pipe.
Specifically, the reinforcement 122 includes a first steel pipe 1221, a transition pipe 1222 having one end connected to the first steel pipe 1221, and a second steel pipe 1223 connected to the other end of the transition pipe 1222, the second steel pipe 1223 being connected to the auxiliary reinforcing group leg 121, the first steel pipe 1221 being connected to the column steel pipe 11. Wherein, the big-end of the transition pipe 1222 is connected with the first steel pipe 1221, and the small-end is connected with the second steel pipe 1223.
Specifically, the auxiliary reinforcing group pile leg 121 is further provided with a first reinforcing rib plate 123. This can enhance the stability of the auxiliary reinforcing group leg 121.
In this embodiment, the outer sides of the upright steel pipes 11, the auxiliary reinforcing group pile legs 121, the reinforcing members 122 and the first reinforcing rib plates 123 are coated with anti-corrosion paint, so that corrosion is avoided, service life is prolonged, and the effect of protecting the ecological environment of the sea area can be achieved.
Specifically, the upright steel pipe 11 may also be in the form of a jacket, and may be supported by four legs, six legs, eight legs, or the like.
Specifically, the outer side of the upright post steel pipe 11 can be provided with an oil fence for collecting oil leakage in misoperation and over-maintenance processes of personnel in the oil transportation process.
Specifically, the rotating portion 2 includes a fixed table (not shown) provided at one end of the pillar steel pipe 11 away from the bottom end, and a turntable 21 rotatably provided at one side of the fixed table away from the pillar steel pipe 11. Wherein the rotating part 2 is located on a horizontal plane.
In the present embodiment, the mooring structure is a mooring Long Er 47 and a mooring anchor chain 46 provided on the turntable 21. Of course, the mooring structure may be designed in other ways, depending on the actual requirements.
Specifically, the turntable 21 is constructed of a section steel, a steel plate is laid on the upper surface, and the thickness of the turntable 21 is 1 to 1.5 meters. The planar shape of the turntable 21 is set according to actual requirements, and may be a steel structure such as a circle, an ellipse, a polygon, or an irregular shape. In the present embodiment, the turntable 21 has an isosceles dodecagonal steel structure, and of course, it may have an isosceles shape, an isosceles seven-shape, an isosceles fourteen-shape, or the like, depending on practical requirements.
Specifically, the turntable 21 is provided with a groove 211, a bearing (not shown in the figure) is provided in the groove 211, and the turntable 21 is rotatably provided on the fixed table through the bearing, and at this time, the fixed table is provided with a projection for the arrangement of the bearing. In the present embodiment, the groove 211 has a circular structure in the central region of the turntable 21, and has a recess depth of 0.5 m to 0.6 m.
Of course, according to practical requirements, the rotating part 2 may be directly provided with the turntable 21 rotatably at the end of the upright steel pipe 11 away from the bottom end without providing a fixing table, and at this time, the bearing may be directly fixed at the end of the upright steel pipe 11 away from the bottom end. If there are a plurality of upright steel pipes 11, pulleys may be provided at the top ends of the plurality of upright steel pipes 11, and slide rails may be provided at the corresponding positions of the turntable 21.
Specifically, a protection room 22 is arranged on one surface of the turntable 21, which is far away from the upright post steel pipe 11, around the bearing, and a door body structure is arranged on the protection room 22. This arrangement can better protect the bearing.
Specifically, the shape of the protection room 22 is set according to practical requirements, and may be an elliptical column, a square column, or other shapes. In this embodiment, the guard room 22 is a circular column.
In this embodiment, the guard room 22 is constructed of a section steel and a steel plate. The door body structure is two bottoms of locating the both sides of protection room 22 respectively for personnel business turn over. The top of the booth 22 may also be provided with a window (not shown) for ventilation.
Specifically, at least one hoisting member 23 is provided on the turntable 21, and each hoisting member 23 includes a frame diagonal brace 231 provided on the turntable 21 and extending out of the range of the turntable 21, a hoisting rail 232 connecting the frame diagonal brace 231 and the guard room 22, and a hoisting hoist 233 slidably provided on the hoisting rail 232. In the present embodiment, the number of the hanging members 23 is two. This arrangement may facilitate the transfer of cargo onto the turntable 21 by lifting the hoist 233.
Specifically, at least three guard members 24 are disposed at intervals on the periphery of the rotating portion 2, and each guard member 24 includes a guard post 241 disposed on the periphery of the rotating portion 2 and a bumper 242 disposed on a side of the guard post 241 away from the rotating portion 2. The arrangement can avoid damage caused by false collision when water equipment such as fishing boats, oil tankers and the like shuttles.
In this embodiment, the protection upright 241 is a plate rigid structure; the anti-collision member 242 is a plate-shaped structure made of rubber, and of course, according to practical requirements, the anti-collision member 242 may be a plate-shaped structure made of shockproof materials such as plastic, foam, etc.
In this embodiment, the guard posts 241 are provided at the boundary between the twelve sides of the turntable 21, etc., for twelve purposes.
Specifically, a second reinforcing rib 243 is provided between the protective column 241 and the rotating portion 2. This arrangement can enhance the stability of the guard post 241.
In this embodiment, the outer surfaces of the protection upright posts 241 and the second reinforcing rib plates 243 are coated with an anti-corrosion coating, so that corrosion is avoided, the service life is prolonged, and the effect of protecting the ecological environment of the sea area can be achieved.
Specifically, at least one manhole 40, at least one lifting point 41, at least one flute 45, a storage battery 42, a solar panel 43, a lubricant injection tank 44, a fence, and the like may be further provided on the turntable 21 according to actual demands.
In this embodiment, the number of manholes 40 is four for the constructors to go in and out for operation and maintenance, and of course, two, three, five, etc. may be set according to actual requirements. The number of the hanging points 41 is four, the shape of the hanging points is triangular, the hanging points are used for hanging the whole structure, of course, two, three, five, six, eight and the like can be set according to actual requirements, and the shapes of the hanging points can be square, elliptic, round, trapezoid and the like. The number of the fog whistles 45 is four, and of course, two, three, five and the like can be set according to actual requirements.
Specifically, the output assembly 3 includes a manifold platform 31 provided on the outer periphery of the pillar steel pipe 11, at least one riser 32 connected to a submarine pipeline and provided in an inner cavity of the pillar steel pipe 11, an upper pipeline 33 connected to the riser 32 and provided on the manifold platform 31, a control valve 34 provided on the upper pipeline 33, at least one slip ring 35 connected to the control valve 34, and an output pipeline 36 connected to the slip ring 35. The export assembly 3 is used to connect subsea pipelines to transport crude oil media of the subsea pipelines to level berthing equipment such as tankers, floating Production Storage and Offloading (FPSO) and the like.
Specifically, the manifold platform 31 is located on a horizontal plane, which is arranged in a circle, a quadrangle, an ellipse, or the like around the pillar steel pipe 11. In the present embodiment, the manifold platform 31 has a circular structure with a diameter of 10 meters to 15 meters.
In this embodiment, the number of the risers 32 is two, however, the number of the risers 32 may be one, three, four, etc. according to actual needs. The specific number and specification are set according to the crude oil conveying amount.
In this embodiment, the number of slip rings 35 is two and are connected in sequence in a stacked manner, one of them being connected to the output of the control valve 34 for connecting the pipeline and delivering the crude oil medium. The slip ring 35 is disposed above the bearing, and an internal bearing is further disposed therein, so as to realize synchronous rotation. The two slip rings 35 can prevent the condition that the oil transportation is interrupted due to the damage of the single slip ring 35 in the process of transporting the crude oil medium.
Specifically, one of the protection upright posts 241 is further provided with a pipeline sleeve 361, and the output pipeline 36 is partially disposed in the pipeline sleeve 361, so as to realize the effect of protecting the pipeline.
In this embodiment, the transfer line 36 may be configured to transfer crude oil media through a floating hose.
In summary, the present invention is provided with the fixing component 1, the rotating part 2 and the output component 3; the fixing assembly 1 comprises a column steel pipe 11 with an inner cavity and a fixing member 12 arranged at the bottom end of the column steel pipe 11 and used for fixing the column steel pipe 11 to the water bottom; the rotating part 2 comprises a rotary table 21, the rotary table 21 is rotatably arranged at one end far away from the bottom end of the upright post steel pipe 11, and a mooring structure is arranged on the rotary table 21; the outer conveying assembly 3 is connected with a submarine pipeline and extends from the bottom end of the inner cavity of the upright post steel pipe 11 to the other end to convey crude oil media outwards, so that the sea area occupied by the marine crude oil outer conveying single-point mooring device is reduced, and the marine ecological environment can be protected as the marine crude oil outer conveying single-point mooring device does not need to be built up in a civil engineering manner, so that the marine pipeline is simpler in structure, convenient to install, high in stability and low in building and maintaining cost.
The above-described embodiments are merely preferred embodiments for fully explaining the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present invention, and are intended to be within the scope of the present invention. The protection scope of the invention is subject to the claims.
Claims (3)
1. A marine crude oil export single point mooring device, characterized in that: comprising
The fixing assembly comprises a column steel pipe with an inner cavity and a fixing member arranged at the bottom end of the column steel pipe and used for fixing the column steel pipe to the water bottom;
the rotating part is rotatably arranged at one end, far away from the bottom end, of the upright post steel pipe, and a mooring structure is arranged on one surface, far away from the upright post steel pipe, of the rotating part; the rotary part comprises a fixed table and a rotary table, the fixed table is arranged at one end, far away from the bottom end, of the upright steel pipe, a groove is formed in the rotary table, a bearing is arranged in the groove, and the rotary table is rotatably arranged on the fixed table through the bearing;
a protection room is arranged on one surface of the turntable, which is far away from the upright post steel pipe, around the bearing, and a door body structure is arranged on the protection room;
the turntable is provided with at least one hoisting member, and each hoisting member comprises a frame diagonal bracing arranged on the turntable and extending out of the range of the turntable, a hoisting track for connecting the frame diagonal bracing with the protection room and a hoisting hoist arranged on the hoisting track in a sliding manner;
at least three protection members are arranged at intervals on the periphery of the rotating part, and each protection member comprises a protection upright post arranged on the periphery of the rotating part and an anti-collision piece arranged on one side, far away from the rotating part, of the protection upright post;
the outer conveying component is connected with the submarine pipeline and extends from the bottom end of the inner cavity of the upright post steel pipe to the other end so as to convey crude oil medium outwards;
the outer conveying assembly comprises a manifold platform arranged on the periphery of the upright steel pipe, at least one vertical pipe connected with the submarine pipeline and arranged in the inner cavity of the upright steel pipe, an upper pipeline connected with the vertical pipe and arranged on the manifold platform, a control valve arranged on the upper pipeline, at least one slip ring connected with the control valve and an outer conveying pipeline connected with the slip ring;
the fixing members are arranged at least two at intervals around the upright steel pipe, each fixing member comprises an auxiliary reinforcing group pile leg arranged at intervals with the upright steel pipe and two reinforcing pieces which are arranged on the auxiliary reinforcing group pile leg and form a preset included angle, one reinforcing piece is connected to the bottom end of the upright steel pipe, and the other reinforcing piece is connected to the upright steel pipe far away from the bottom end of the upright steel pipe;
the reinforcement comprises a first steel pipe, a transition pipe fitting with one end connected with the first steel pipe and a second steel pipe connected with the other end of the transition pipe fitting, wherein the second steel pipe is connected to the auxiliary reinforcement group pile leg.
2. The marine crude oil export single point mooring device of claim 1 wherein the auxiliary reinforcing group leg is further provided with a first reinforcing plate.
3. The marine crude oil export single point mooring device of claim 1 wherein a second reinforcing web is provided between the guard post and the swivel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110385582.XA CN113320641B (en) | 2021-04-10 | 2021-04-10 | Single-point mooring device for marine crude oil output |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110385582.XA CN113320641B (en) | 2021-04-10 | 2021-04-10 | Single-point mooring device for marine crude oil output |
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| Publication Number | Publication Date |
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| CN113320641A CN113320641A (en) | 2021-08-31 |
| CN113320641B true CN113320641B (en) | 2023-04-25 |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5755607A (en) * | 1997-04-25 | 1998-05-26 | Fmc Corporation | Riser mounting arrangement for a moring system |
| KR20120003251U (en) * | 2010-11-02 | 2012-05-10 | 대우조선해양 주식회사 | Floating marine structure having turret |
| CN102963502A (en) * | 2012-11-15 | 2013-03-13 | 大连船舶重工船业有限公司 | Single-point moored floating body device for marine engineering |
| CN110422294A (en) * | 2019-08-23 | 2019-11-08 | 山东鼎盛精工股份有限公司 | A kind of list column mooring formula well head production operation platform |
| US10899602B1 (en) * | 2019-12-05 | 2021-01-26 | Sofec, Inc. | Submarine hose configuration for transferring a gas from a buoy |
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