CN202338231U - Steel wire rope type riser tensioner device - Google Patents
Steel wire rope type riser tensioner device Download PDFInfo
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- CN202338231U CN202338231U CN 201120463618 CN201120463618U CN202338231U CN 202338231 U CN202338231 U CN 202338231U CN 201120463618 CN201120463618 CN 201120463618 CN 201120463618 U CN201120463618 U CN 201120463618U CN 202338231 U CN202338231 U CN 202338231U
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- wire rope
- fixed pulley
- hydraulic cylinder
- steel wire
- cylinder assembly
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Abstract
The utility model discloses a steel wire rope type riser tensioner device. Movable pulley frames and movable pulley blocks are arranged at the upper ends of piston rods of a hydraulic cylinder assembly; fixed pulley frames and fixed pulley blocks are arranged at the lower end of the hydraulic cylinder assembly; the hydraulic cylinder assembly is communicated with a piston type energy accumulator through a recoil valve; the piston type energy accumulator is communicated with a high-pressure valve group assembly; a plurality of fixed pulley frames are fixedly arranged on an installation seat of a floating drilling platform; and each steel wire rope is led out of a fixed end of one of the fixed pulley frames, and the other end of the steel wire rope sequentially passes through one of the movable pulley blocks, one of the fixed pulley blocks and a guide pulley block assembly on a lower surface of the floating drilling platform and then is fixedly connected with a tensioning ring. By the steel wire rope type riser tensioner device, hydraulic power is provided for an offshore drilling riser tension system, the rigidity of the riser system is improved, and damage to the offshore drilling riser system during lifting and descending movement of a platform/ship is prevented.
Description
Technical field
The utility model belongs to offshore oil natural gas drilling and extracting equipment technical field, relates to a kind of steel wire rope type marine riser tensioner apparatus.
Background technology
Steel wire rope type marine riser tensioner apparatus is a visual plant of drilling water-separation pipe clamping system in the marine drilling equipment.In ocean deepwater oil-gas exploration and development process; Mostly adopt ocean floating type drilling platform (ship) to carry out drillng operation; And the Offshore Drilling Riser system is the passage that platform is connected with the seabed subsea equipment; In order to increase the rigidity of marine riser, thereby strengthen the ability that riser system is resisted wind, wave, stream, need set up a constant clamping system in riser top; And whether this clamping system reliably just becomes the key that can the marine oil and gas drilling be carried out smoothly, and hydraulic power unit is one of key of marine riser clamping system operate as normal reliably.
Summary of the invention
The purpose of the utility model provides a kind of steel wire rope type marine riser tensioner apparatus, for the Offshore Drilling Riser clamping system provides hydraulic power unit, and is that the relative riser system heave movement of marine drilling platform (ship) provides enough strokes.
The technical scheme that the utility model adopted is; A kind of steel wire rope type marine riser tensioner apparatus; Comprise the hydraulic cylinder assembly, the upwards flexible piston rod end of hydraulic cylinder assembly is equipped with the movable pulley frame, and the lower end of hydraulic cylinder assembly is provided with the fixed pulley frame; Be provided with running block in the movable pulley frame, be provided with the fixed pulley group in the fixed pulley frame; The hydraulic cylinder assembly is communicated with piston accumulator through recoil valve, and piston accumulator also is communicated with high pressure valve group assembly;
A plurality of fixed pulley framves are fixedly mounted on the mount pad of floating drilling platform; Every wire rope is drawn from the wire rope fixture block fixed end on the fixed pulley frame; The other end is walked around running block and fixed pulley group successively; Draw from fixed pulley group end at last, wire rope passes the leading block group assembly that the floating drilling platform soffit fixedly installs again, and is fixedly connected with tightening hoop.
The beneficial effect of the utility model is; Whole device performance is reliable, compact conformation, supporting capacity are big; For the Offshore Drilling Riser clamping system provides tension force, the heave movement of compensation marine drilling platform (ship) can effectively ensure the normal operation of ocean marine riser clamping system.
Description of drawings
Fig. 1 is the partial structurtes sketch map of the utility model steel wire rope type marine riser tensioner apparatus;
Fig. 2 is the right side line of vision sketch map of Fig. 1;
Fig. 3 is the mounting structure sketch map of the utility model device on marine drilling platform (ship).
Among the figure, 1. running block, 2. movable pulley frame, 3. hydraulic cylinder assembly; 4. fixed pulley frame, 5. fixed pulley group, 6. recoil valve, 7. piston accumulator; 8. sealing device, 9. buffer spring, 10. high pressure valve group assembly, 11. leading block assemblies; 12. wire rope, 13. control device, 14. tightening hoops, 15. floating drilling platforms.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is elaborated.
With reference to Fig. 1, shown in Figure 2; The utility model steel wire rope type marine riser tensioner apparatus; Comprise hydraulic cylinder assembly 3, the upwards flexible piston rod end of hydraulic cylinder assembly 3 is equipped with movable pulley frame 2, and the lower end of hydraulic cylinder assembly 3 is provided with fixed pulley frame 4; Be provided with running block 1 in the movable pulley frame 2, be provided with fixed pulley group 5 in the fixed pulley frame 4; Hydraulic cylinder assembly 3 is communicated with piston accumulator 7 through recoil valve 6, and flange connects or the studding connection between the three, and piston accumulator 7 is fixed on the hydraulic cylinder assembly 3 through fixed mount, and piston accumulator 7 also is communicated with high pressure valve group assembly 10; Between the piston rod of hydraulic cylinder assembly 3 and piston cylinder, also be provided with sealing device 8 and buffering spring 9.
As shown in Figure 3; A plurality of fixed pulley framves 4 are fixedly mounted on the mount pad of floating drilling platform 15 both sides; Every wire rope 12 is drawn from the wire rope fixture block fixed end on the fixed pulley frame 4, and the other end is walked around running block 1 and fixed pulley group 5 successively, draws from fixed pulley group 5 lower ends at last; Wire rope 12 passes the leading block group assembly 11 that floating drilling platform 15 soffits fixedly install again, and is fixedly connected with tightening hoop 14.
During the work of the utility model device; Through the external gases at high pressure that big volume is provided in piston accumulator 7; The 3 inner generation pressure effects of hydraulic cylinder assembly; Make piston rod remain constant thrust, thrust passes to tightening hoop 14 through wire rope 12, for the marine riser clamping system provides top tension force; When floating drilling platform 15 receives the effect rising of wave, because the invariant position of tightening hoop 14, and tensioner apparatus rises with floating drilling platform 13; Thereby cause the tension force of wire rope to increase, wire rope compressing piston rod makes the downward contractile motion of piston rod; Liquid in the hydraulic cylinder assembly 3 gets in the piston accumulator 7 through recoil valve 6; Gases at high pressure compression, tensioner apparatus discharge wire rope 2 and satisfy the needs that platform rises, and guarantee that simultaneously wire rope receives the pulling force of approximately constant; In like manner, when floating drilling platform 15 received the effect sinking of wave, the gases in the accumulator 7 expanded; Promote highly pressurised liquid and get into hydraulic cylinder assembly 3 through recoil valve 6; Tensioner apparatus reclaims wire rope 2, satisfies the needs that platform sinks, and guarantees that simultaneously wire rope receives constant approximate pulling force.
The embodiment of Fig. 3; Adopt two cover assembly pulleys and leading block assembly 11, two cover assembly pulleys to be separately fixed on movable pulley frame 1 and the fixed pulley frame 4, two stands is installed on the two ends of hydraulic cylinder assembly 3; Leading block assembly 11 is installed on floating drilling platform; Recoil valve 6 is connected to piston accumulator 7 on the hydraulic cylinder assembly 3, and high pressure valve group 10 is connected to the upper position of piston accumulator 7, and 12 pairs of recoil valves 6 of control device are operated; Wire rope 12 1 ends are fixed on the fixed pulley support body 4, and the other end is connected on the tension link 14.
Steel wire rope type marine riser stretcher can be single hydraulic cylinder, double hydraulic cylinder or be multi-hydraulic-cylinder form arranged side by side that promptly multi-hydraulic-cylinder is in juxtaposition, and uses same fixed pulley frame 4, does as a whole.
Position, hydraulic cylinder assembly 3 middle and upper part adopts spring to cushion, and also can adopt gas cylinder to add hermetically-sealed construction and cushion.
Tensioner apparatus can be installed in floating drilling platform, or on the drill ship, and can be installed in any position on floating drilling platform or the drill ship, and the tensioner apparatus of varying number can be installed at a table flotation formula offshore boring island or drill ship as required.
On fixed pulley frame 4, can adorn the steel wire disk winding apparatus, the steel wire disk winding apparatus adopts gear drive or other kind of drive, and that the steel wire disk winding apparatus adopts is pneumatic, hydraulic pressure or motor-driven.
The steel wire rope type marine riser tensioner apparatus of the utility model, dependable performance, is convenient to safeguard simple in structure, easy operating; Supporting capacity is big, and the wire rope stroke is long, can successfully manage the in use contingent problem of marine riser clamping system; Through external detection equipment,, recoil valve 6 is operated in case pinpoint the problems; Just can guarantee not occur major accident; In the hydraulic cylinder assembly 3 buffer spring 9 is installed simultaneously, the cushion effect of buffer spring 9 can reach over one hundred ton, for hydraulic cylinder assembly 3 provides second protection.Designed reliable sealing device 8 in the hydraulic cylinder assembly 3; Guarantee the sealing of hydraulic cylinder assembly 3; And be easy to change, also have secondary spring protection and reliable hermetically-sealed construction, can enough hydraulic powers be provided for riser system; Keep lasting permanent tension force to eliminate the motion of the offshore boring island/relative marine riser of drilling well ship that floats, prevent that marine riser from producing statically indeterminate problem.
Claims (3)
1. steel wire rope type marine riser tensioner apparatus; Its characteristics are: comprise hydraulic cylinder assembly (3); The upwards flexible piston rod end of hydraulic cylinder assembly (3) is equipped with movable pulley frame (2); The lower end of hydraulic cylinder assembly (3) is provided with fixed pulley frame (4), is provided with running block (1) in the movable pulley frame (2), is provided with fixed pulley group (5) in the fixed pulley frame (4); Hydraulic cylinder assembly (3) is communicated with piston accumulator (7) through recoil valve (6), and piston accumulator (7) also is communicated with high pressure valve group assembly (10);
A plurality of fixed pulley framves (4) are fixedly mounted on the mount pad of floating drilling platform (15); Every wire rope (12) is drawn from the wire rope fixture block fixed end on the fixed pulley frame (4); The other end is walked around running block (1) and fixed pulley group (5) successively; Draw from fixed pulley group (5) lower end at last, wire rope (12) passes the leading block group assembly (11) that floating drilling platform (15) soffit fixedly installs again, and is fixedly connected with tightening hoop (14).
2. steel wire rope type marine riser tensioner apparatus according to claim 1, its characteristics are: between the piston rod of hydraulic cylinder assembly (3) and piston cylinder, also be provided with sealing device (8) and buffering spring (9).
3. steel wire rope type marine riser tensioner apparatus according to claim 1, its characteristics are: described recoil valve (6) is connected with control device (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120463618 CN202338231U (en) | 2011-11-21 | 2011-11-21 | Steel wire rope type riser tensioner device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120463618 CN202338231U (en) | 2011-11-21 | 2011-11-21 | Steel wire rope type riser tensioner device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202338231U true CN202338231U (en) | 2012-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120463618 Expired - Lifetime CN202338231U (en) | 2011-11-21 | 2011-11-21 | Steel wire rope type riser tensioner device |
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| CN (1) | CN202338231U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103122753A (en) * | 2013-01-04 | 2013-05-29 | 中国石油大学(华东) | Near-sea separation and tie-back device for typhoon-resisting drilling risers |
| CN105090146A (en) * | 2015-08-19 | 2015-11-25 | 广东精铟海洋工程股份有限公司 | Hydraulic system for tensioning device of water-insulation guide pipe |
| CN105675255A (en) * | 2016-02-25 | 2016-06-15 | 中国海洋石油总公司 | Pool simulation experiment system for platform marine riser coupling |
| CN105781446A (en) * | 2016-05-18 | 2016-07-20 | 中国石油大学(华东) | Novel wire rope type riser tensioner |
| CN107870083A (en) * | 2016-09-27 | 2018-04-03 | 上海船厂船舶有限公司 | The method of testing of wire rope type riser stretcher protecting against shock valve |
| CN108202215A (en) * | 2016-12-20 | 2018-06-26 | 上海船厂船舶有限公司 | The installation method of the marine riser stretcher of drill ship |
| CN113898318A (en) * | 2021-10-12 | 2022-01-07 | 北部湾大学 | Simple and easy well head platform of integral type |
-
2011
- 2011-11-21 CN CN 201120463618 patent/CN202338231U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103122753A (en) * | 2013-01-04 | 2013-05-29 | 中国石油大学(华东) | Near-sea separation and tie-back device for typhoon-resisting drilling risers |
| CN103122753B (en) * | 2013-01-04 | 2018-07-17 | 中国石油大学(华东) | A kind of typhoon protection drilling water-separation pipe Layer Near The Sea Surface is detached from and tieback assembly |
| CN105090146A (en) * | 2015-08-19 | 2015-11-25 | 广东精铟海洋工程股份有限公司 | Hydraulic system for tensioning device of water-insulation guide pipe |
| CN105090146B (en) * | 2015-08-19 | 2017-09-29 | 广东精铟海洋工程股份有限公司 | Riser pipe tensioning apparatus hydraulic system |
| CN105675255A (en) * | 2016-02-25 | 2016-06-15 | 中国海洋石油总公司 | Pool simulation experiment system for platform marine riser coupling |
| CN105781446A (en) * | 2016-05-18 | 2016-07-20 | 中国石油大学(华东) | Novel wire rope type riser tensioner |
| CN107870083A (en) * | 2016-09-27 | 2018-04-03 | 上海船厂船舶有限公司 | The method of testing of wire rope type riser stretcher protecting against shock valve |
| CN108202215A (en) * | 2016-12-20 | 2018-06-26 | 上海船厂船舶有限公司 | The installation method of the marine riser stretcher of drill ship |
| CN113898318A (en) * | 2021-10-12 | 2022-01-07 | 北部湾大学 | Simple and easy well head platform of integral type |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120718 |