CN116575873A - Riser fixing device - Google Patents
Riser fixing device Download PDFInfo
- Publication number
- CN116575873A CN116575873A CN202310498170.6A CN202310498170A CN116575873A CN 116575873 A CN116575873 A CN 116575873A CN 202310498170 A CN202310498170 A CN 202310498170A CN 116575873 A CN116575873 A CN 116575873A
- Authority
- CN
- China
- Prior art keywords
- riser
- marine riser
- marine
- yard
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 230000002787 reinforcement Effects 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/002—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables specially adapted for underwater drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
- E21B19/143—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole specially adapted for underwater drilling
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The application discloses a marine riser fixing device, which comprises a main deck and a marine riser storage yard, wherein the marine riser storage yard is formed by stacking a plurality of marine risers; the marine riser storage yard is arranged on the main deck, transverse supports are arranged on the left side and the right side of the marine riser storage yard perpendicular to the ship length direction, marine riser longitudinal fixing assemblies are arranged at the tail parts of the marine riser storage yard, each marine riser longitudinal fixing assembly comprises a limiting cross beam corresponding to the number of marine riser layers, each limiting cross beam is provided with a clamping groove for clamping the marine riser, and two ends of each limiting cross beam are fixed on the transverse supports on two sides through supports. The application effectively solves the problem of slippage of the stored marine riser caused by the influence of waves, waves and currents in the sailing and operation process of the platform. The device can stack different marine riser quantity as required in a flexible way and carry out nimble dismouting and be used for effective reinforcement to its constructional device is simple, compact, saves deck space, and installation convenient operation.
Description
Technical Field
The application relates to a marine riser fixing device, and belongs to the technical field of marine drilling riser fixing.
Background
The exploration and development of the human ocean oil and gas resources gradually goes from shallow water to deep water and ultra-deep water sea areas, and deep water drilling technology and equipment become development directions. The marine riser plays a role in isolating seawater, provides a channel for marine drilling operation, and is one of important fittings in marine drilling equipment, wherein the channel is communicated between the underwater blowout preventer stack and a drilling platform (or a ship body). The marine riser is generally arranged on the marine floating drilling platform (or the ship body) in three modes of horizontal placement, vertical placement, horizontal placement and vertical placement, and the horizontal placement and storage mode of the marine riser can effectively lower the center of gravity of the drilling platform (or the ship body). Under the influence of wind, wave and current of the ocean, the drilling platform (or the ship body) can shake in the navigation process, when the sea condition is severe, the platform (or the ship body) is large in transverse inclination and longitudinal inclination, and the marine riser is more required for deep sea exploration and development operation, so that the marine riser adopts a flat-laying mode. When the ship body shakes greatly, the marine riser at the top of the storage yard can slip due to the fact that the acceleration of the ship body is large and the buoyancy material outside the marine riser can not provide enough friction force. There is therefore a need to provide a solution to the problem of slippage of the top riser in a flat riser mode.
Disclosure of Invention
The application aims to solve the technical problem of sliding of a horizontal top marine riser.
In order to solve the technical problems, the technical scheme of the application is to provide a marine riser fixing device, which comprises a main deck and a marine riser storage yard, wherein the marine riser storage yard is formed by stacking a plurality of marine risers; the marine riser storage yard is arranged on the main deck, transverse supports are arranged on the left side and the right side of the marine riser storage yard perpendicular to the ship body direction, marine riser longitudinal fixing assemblies are arranged at the tail parts of the marine riser storage yard, each marine riser longitudinal fixing assembly comprises a limiting cross beam corresponding to the number of marine riser layers, each limiting cross beam is provided with a clamping groove for clamping the marine riser, and two ends of each limiting cross beam are fixed on the transverse supports on two sides through supports.
Preferably, a middle body is arranged on the main deck, the middle body divides the main deck into a port side and a starboard side, and the water-proof pipe storage yards positioned on the port side and the starboard side are symmetrically distributed.
Further, the number of the marine riser storage yards on the port or starboard side is plural. Further, the transverse support comprises the middle body and transverse baffle columns arranged on two sides of the water-proof pipe storage yard far away from the middle body, the water-proof pipe storage yard far away from the middle body is loaded with transverse loads by the transverse baffle columns on the left side and the right side, and the water-proof pipe storage yard close to the middle body is loaded with transverse loads by the middle body and the transverse baffle columns. Still further, the support includes single support, double support and boat middle support, and single support is fixed and is had the horizontal fender post afterbody in marine riser storage yard at only unilateral, and double support is fixed and is all had the horizontal fender post afterbody in marine riser storage yard at two sides, and boat middle support is fixed at the midbody afterbody.
Preferably, the limiting cross beam and the support are detachably fixed through a support bolt.
Preferably, the limiting cross beam is located between two adjacent layers of marine risers, the limiting cross beam is provided with an upper clamping groove and a lower clamping groove, the upper clamping groove is used for clamping the upper marine riser, and the lower clamping groove is used for clamping the lower marine riser.
Further, the clamping groove clamps the end flange of the marine riser.
Further, the upper side and the lower side of the limiting beam are provided with stop lug plates and transverse and longitudinal reinforcing ribs.
Preferably, the transverse support is provided with a plurality of fastening lug plates along the ship body direction, and a plurality of binding belts are fastened on the fastening lug plates in a crossing manner to bind the marine riser storage yard.
The application has the advantage of effectively solving the problem of sliding of the stored marine riser caused by the influence of waves, waves and currents in the sailing and operation process of the platform. The device can stack different marine riser quantity as required in a flexible way and carry out nimble dismouting and be used for effective reinforcement to its constructional device is simple, compact, saves deck space, and installation convenient operation.
Drawings
FIG. 1 is a schematic top view of a riser fixture;
FIG. 2 is a schematic view of a riser fixture for riser storage yard fill;
FIG. 3 is a schematic view of a riser fixture for a riser yard that is not fully stacked but is greater than four layers;
FIG. 4 is a schematic view of a riser fixture for a riser yard that is not fully stacked and less than five layers;
5-1, 5-2, 5-3 and 5-4 are schematic views of a limiting beam structure;
FIGS. 6-1, 6-2 and 6-3 are three views of a single support and latch structure;
FIGS. 7-1, 7-2 and 7-3 are three views of the dual carrier and latch and structure;
fig. 8-1, 8-2 and 8-3 are three views of the in-ship support and latch structure.
Detailed Description
In order to make the application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
The present embodiment provides a riser fixture, see fig. 1, comprising: main deck 1, riser storage yard 2, horizontal baffle 3, single support 4, double support 5, in-ship support 6, spacing crossbeam 7, support bolt 8, tie ear plate 9, ligature area 10.
The middle part is provided with the midbody on main deck 1, and the midbody divides main deck 1 into port side and starboard side, and port side and starboard side are used for arranging riser storage yard 2 and horizontal baffle 3.
The marine riser yard 2 is a yard formed by stacking a plurality of layers of marine risers, the marine riser yard 2 is arranged on a deck, and the yards on a port side and a starboard side are required to be symmetrically arranged, so that the ship body is balanced left and right.
The lateral blocking piles 3 are fixed to both lateral sides of the riser yard 2 (in this embodiment, lateral refers to a left-right direction perpendicular to the ship length direction) and bear lateral loads of the riser yard 2. Referring to fig. 2, the horizontal blocking piles 3 support the riser yard 2 from the left and right sides, and for the riser yard 2 near the middle body, one side of the riser yard 2 near the middle body may be supported by the middle body without providing the horizontal blocking piles 3.
The tail part (near the stern direction) of the marine riser storage yard 2 is provided with a marine riser longitudinal fixing component, the marine riser longitudinal fixing component comprises a single support 4, a double support 5, a middle support 6, a limiting cross beam 7 and a support bolt 8, the single support 4 is fixed at the tail part of a transverse baffle pile 3 with the marine riser storage yard 2 on only one side, the double support 5 is fixed at the tail part of the transverse baffle pile 3 with the marine riser storage yard 2 on both sides, and the middle support 6 is fixed at the tail part of the middle body; the single support 4, the double supports 5 and the shipboard supports 6 are all supports for supporting the limiting cross beams 7, two ends of each limiting cross beam 7 are fixed on the supports, each layer of marine riser corresponding to the higher position of the marine riser yard 2 is correspondingly provided with one limiting cross beam 7, each limiting cross beam 7 is provided with an upper clamping groove and a lower clamping groove, and the upper side and the lower side of each limiting cross beam 7 are provided with stop lug plates and transverse and longitudinal reinforcing ribs, so that the marine riser yard is guaranteed to have enough strength and rigidity. The limiting cross beam 7 is positioned between two adjacent layers of marine risers, and the clamping grooves and the stop lug plates on the limiting cross beam 7 clamp the end flanges of the two adjacent layers of marine risers to bear the longitudinal load of the marine risers and limit the longitudinal sliding of the marine risers. The limiting cross beam 7 is arranged between two adjacent layers of marine risers, so that interference with various pipelines and connecting bolts on the marine risers can be avoided. In this embodiment, it is considered that the number of the riser layers exceeds five, and the limiting beam 7 is used for fixing.
After the two ends of the limiting cross beam 7 are arranged on the support, the limiting cross beam 7 is detachably fixed through the support bolt 8 to prevent the limiting cross beam 7 from being separated from the support, meanwhile, an adaptive number of limiting cross beams 7 can be arranged according to the situation of actually loading the marine riser, referring to fig. 2, 3 and 4, when the number of layers of the storage yard is smaller than five, the marine riser is considered to be free from longitudinal sliding, the limiting cross beam 7 is not required to be fixed at the tail, when the number of layers of the storage yard reaches five, the limiting cross beam 7 is required to be fixed at the tail, a clamping groove below the limiting cross beam 7 clamps a fifth marine riser, the two ends of the limiting cross beam 7 are fixed on corresponding transverse baffle piles 3 or midbody through a single support 4, a double support 5 or a middle support 6, then a sixth marine riser is continuously stacked, a layer of limiting cross beam 7 is continuously added, and the sixth marine riser is clamped through the two layers of limiting cross beams 7; and by analogy, every time a layer of marine riser is added, a layer of limiting cross beam 7 is continuously added, and stacking of the marine riser is completed.
When the number of stacked risers is the maximum capacity designed for the yard, each layer of risers is already fixed by the limiting cross beam 7 and the corresponding support.
The transverse baffle piles 3 and the middle body are further provided with a plurality of fastening lug plates 9 along the ship length direction, the transverse baffle piles and the middle body are finally fastened on the fastening lug plates 9 in a crossing manner through a plurality of fastening belts 10, the fastening belts are fastened after each time of stacking the marine riser, no matter whether the marine riser is fully stacked or not, the marine riser is finally fixed.
The marine riser fixing device is used for fixing marine riser storage of the offshore floating drilling platform or the drilling ship, and effectively solves the problem of sliding of the stored marine riser caused by wave, wave and current in the navigation and operation process of the platform. The device can stack different marine riser quantity as required in a flexible way and carry out nimble dismouting and be used for effective reinforcement to its constructional device is simple, compact, saves deck space, and installation convenient operation.
Claims (10)
1. The marine riser fixing device is characterized by comprising a main deck (1) and a marine riser storage yard (2), wherein the marine riser storage yard (2) is formed by stacking a plurality of layers of marine risers; the marine riser yard (2) is arranged on the main deck (1), transverse supports are arranged on the left side and the right side, perpendicular to the ship body direction, of the marine riser yard (2), a marine riser longitudinal fixing assembly is arranged at the tail of the marine riser yard (2), the marine riser longitudinal fixing assembly comprises a limiting cross beam (7) corresponding to the number of marine riser layers, the limiting cross beam (7) is provided with a clamping groove for clamping the marine riser, and two ends of the limiting cross beam (7) are fixed on the transverse supports on the two sides through supports.
2. A riser installation according to claim 1, characterised in that the main deck (1) is provided with a central body dividing the main deck (1) into a port and a starboard, the riser yards (2) being located on the port and starboard being symmetrically distributed.
3. A riser installation according to claim 2, characterized in that there are a plurality of said riser yards (2) located on port or starboard sides.
4. A riser installation as claimed in claim 3, wherein the lateral support comprises the central body and lateral studs (3) arranged on both sides of the riser yard (2) remote from the central body, the riser yard (2) remote from the central body carrying lateral loads by the lateral studs (3) on both the left and right sides, the riser yard (2) close to the central body carrying lateral loads by the central body and the lateral studs (3).
5. A riser fixture according to claim 4, wherein the support comprises a single support (4), a double support (5) and a mid-ship support (6), the single support (4) being fixed to the tail of the transverse peg (3) with the riser yard (2) on only one side, the double support (5) being fixed to the tail of the transverse peg (3) with the riser yard (2) on both sides, and the mid-ship support (6) being fixed to the tail of the mid-ship.
6. A riser installation according to claim 1, characterised in that the limit beams (7) are detachably fastened to the support by means of support pins (8).
7. A riser fixing device according to claim 1, characterized in that the limiting beams (7) are located between two adjacent layers of risers, the limiting beams (7) are provided with upper clamping grooves and lower clamping grooves, the upper clamping grooves are used for clamping upper layers of risers, and the lower clamping grooves are used for clamping lower risers.
8. The riser fixture of claim 7 wherein the clamping groove clamps the end flange of the riser.
9. The marine riser pipe fixing device according to claim 7, wherein the upper side and the lower side of the limiting beam (7) are provided with stop lug plates and transverse and longitudinal reinforcing ribs.
10. A riser installation according to claim 1, characterised in that the transverse support is provided with a plurality of tie-down lugs (9) in the direction of the hull, and that a plurality of tie-down straps (10) are fastened to the tie-down lugs (9) in a cross-wise manner to tie up the riser yard (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310498170.6A CN116575873A (en) | 2023-05-05 | 2023-05-05 | Riser fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310498170.6A CN116575873A (en) | 2023-05-05 | 2023-05-05 | Riser fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116575873A true CN116575873A (en) | 2023-08-11 |
Family
ID=87542533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310498170.6A Pending CN116575873A (en) | 2023-05-05 | 2023-05-05 | Riser fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116575873A (en) |
-
2023
- 2023-05-05 CN CN202310498170.6A patent/CN116575873A/en active Pending
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