CN204283252U - A kind of semi-active type drilling platform crown-block heave compensator - Google Patents
A kind of semi-active type drilling platform crown-block heave compensator Download PDFInfo
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- CN204283252U CN204283252U CN201420738222.9U CN201420738222U CN204283252U CN 204283252 U CN204283252 U CN 204283252U CN 201420738222 U CN201420738222 U CN 201420738222U CN 204283252 U CN204283252 U CN 204283252U
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Abstract
The utility model discloses a kind of semi-active type drilling platform crown-block heave compensator, comprise the horse be fixed on day vehicle frame, two pairs of guide rails have been arranged side by side between link and sky vehicle frame, upper end and the link of guide rail are affixed, lower end and the sky vehicle frame of guide rail are affixed, and guide rail is undertaken affixed with between horse by crossbeam; Two pairs of guide rails are provided with floating overhead traveling crane jointly, and the overhead traveling crane that floats is connected with tourist bus pulley by wire rope, and the overhead traveling crane that floats is connected with the piston rod end of passive compensating cylinder assembly; Link stands upside down and is provided with Active Compensation cylinder, the cylinder barrel of Active Compensation cylinder is fixedly connected with active cylinder supporting seat, and active cylinder supporting seat is connected with link, and the piston rod end of Active Compensation cylinder is connected with floating overhead traveling crane downwards; Passive compensating cylinder assembly is connected with power control mechanism respectively with Active Compensation cylinder.Device of the present utility model, compensation effect is remarkable.
Description
Technical field
The utility model belongs to oil-well drilling equipment technical field, relates to a kind of semi-active type drilling platform crown-block heave compensator.
Background technology
When carrying out deep-sea oil drillng operation, drillship or semisubmersible drilling platform produce the motion of surging, swaying, heave, pitching, rolling and yawing 6 degree of freedom under wave effect, wherein heave movement can make whole well system carry out heave movement with floating drilling platform, the pressure of the drill between drill bit and shaft bottom is caused to change, reduce drilling efficiency, add drilling cost, affect carrying out smoothly of drillng operation.Under severe sea situation, drill bit even can lift-off shaft bottom, causes drilling failure.Therefore, floating drilling platform needs be equipped with a set of heave compensator, in order to reduce the adverse effect of platform heave movement to drillng operation.
Floating drilling platform heave compensator mainly contains overhead traveling crane compensation arrangement, tourist bus compensation arrangement, winch compensation arrangement, dead line/fast line compensation arrangement.Wherein, the compensation effect of dead line/fast line compensation arrangement is poor, and steel rope abrasion is relatively more serious, and practical application is few.Tourist bus compensation arrangement is installed and used between tourist bus and top drive, but this device integral installation above deck, take floor space comparatively large, control flexible pipe longer, and sealing wastage is larger.Compressor, Hydraulic Station, pipeline etc. in existing overhead traveling crane compensation arrangement are placed in deck in ship structure, its principal organ is all arranged on crown's nest and derrick, require that the crown's nest of this overhead traveling crane compensation arrangement of installation and derrick must have high strength, and the requirement of high strength causes the complex structure of crown's nest and derrick, there is weight and the too huge problem of load.
Utility model content
The utility model provides a kind of semi-active type drilling platform crown-block heave compensator, solves prior art unreasonable due to vibrational power flow, makes complex structure, there is weight and the too huge problem of load.
The technical scheme that the utility model adopts is, a kind of semi-active type drilling platform crown-block heave compensator, comprise the horse be fixed on day vehicle frame, horse is upwards provided with railing assembly by link, between link and sky vehicle frame, be arranged side by side two pairs of guide rails, upper end and the link of guide rail are affixed, and lower end and the sky vehicle frame of guide rail are affixed, guide rail is positioned at the space that four heel piece framves surround, and guide rail is undertaken affixed with between horse by crossbeam; Two pairs of guide rails are provided with floating overhead traveling crane jointly, and the overhead traveling crane that floats is connected with tourist bus pulley by wire rope, and the ear seat of the overhead traveling crane that floats is connected with the piston rod end of passive compensating cylinder assembly with oscillating bearing; Link stands upside down and is provided with Active Compensation cylinder, the cylinder barrel of Active Compensation cylinder is fixedly connected with active cylinder supporting seat, and active cylinder supporting seat is connected with link, and the piston rod end of Active Compensation cylinder is connected with floating overhead traveling crane downwards; Passive compensating cylinder assembly is connected with power control mechanism respectively with Active Compensation cylinder.
Semi-active type drilling platform crown-block heave compensator of the present utility model, its feature is also:
Float and be provided with retaining mechanism between overhead traveling crane and sky vehicle frame, retaining mechanism adopts pneumatic linear actuator or electric cylinder structure, and when compensation arrangement is in uncompensation state, the overhead traveling crane that floats is locked by retaining mechanism and sky vehicle frame.
A connecting axle C is installed with in floating overhead traveling crane side, this connecting axle C is set with armed lever A and pulley C, a connecting axle B is installed with in vehicle frame the same side, sky, this connecting axle B is set with armed lever B and pulley B, armed lever A and armed lever B end are hinged with a connecting axle A jointly, connecting axle A are set with pulley A; In addition, a connecting axle D is installed with at floating overhead traveling crane opposite side, this connecting axle D is set with pulley D and armed lever C, a connecting axle F is installed with in this side of sky vehicle frame, connecting axle F is set with armed lever D and pulley F, armed lever C and armed lever D end are hinged with a connecting axle E jointly, connecting axle E are set with pulley C;
Be connected after armed lever B and connecting axle A plug-in mounting, armed lever A, armed lever B and pulley A all can rotate around connecting axle A, and armed lever B and pulley B all can rotate around connecting axle B;
Armed lever D and pulley F can rotate around this connecting axle F, is connected after the other end of armed lever D and connecting axle E plug-in mounting, and armed lever D, armed lever C and pulley C all can rotate around connecting axle E.
Connecting axle B is called fast line pilot unit together with pulley B, connecting axle A is called fast line swing arm unit together with pulley A, connecting axle F is called dead line guiding device together with pulley F, connecting axle E is called dead line swing arm unit together with pulley C, fast line pilot unit, fast line swing arm unit, dead line swing arm unit are connected with floating overhead traveling crane respectively by wire rope with dead line pilot unit, and wire rope takes S shape to wear method.
The structure of power control mechanism is, passive compensating cylinder assembly comprises structure identical passive compensating hydraulic cylinder A and passive compensating hydraulic cylinder B, jointly be connected with low pressure accumulator after passive compensating hydraulic cylinder A is interconnected by pipeline with the rod chamber of passive compensating hydraulic cylinder B, the rodless cavity of passive compensating hydraulic cylinder A and passive compensating hydraulic cylinder B is interconnected by oil pipe and to be jointly connected with isolating valve afterwards, isolating valve is communicated with piston accumulator fluid side by pipeline, and piston accumulator gas side is connected with work gas cylinder by pipeline;
The rod chamber hydraulic fluid port of Active Compensation cylinder is communicated with safety overflow valve A, and the rodless cavity hydraulic fluid port of Active Compensation cylinder is communicated with safety overflow valve B, and meanwhile, the rodless cavity of Active Compensation cylinder is communicated with proportional control valve with rod chamber hydraulic fluid port; Proportional control valve oil return opening is communicated with fuel tank, proportional control valve oil-in is communicated with variable pump oil-out, one way valve is provided with in proportional control valve and variable pump outlet pipeline, variable Pump and Electromotor drives and connects, stroking mechanism oil-out in variable pump is communicated with proportional pressure control valve, proportional overflow valve outlet port connected tank, variable pump oil-in is communicated with fuel tank by pipeline.
The beneficial effects of the utility model are, passive bucking-out system adopts symmetrical vertical type fluid cylinder, can meet larger compensation loading demands, and effectively improve the application life of fluid cylinder; Active Compensation system adopts piston rod handstand down to put fluid cylinder, and passive compensation conbined usage improves compensation precision; Adopt four guide rails erect, improve stability when floating overhead traveling crane fluctuates and can property be leaned on.Adopt hydraulic pressure and air pressure to provide power, passive compensating cylinder and Active Compensation cylinder hybrid compensation, Automated condtrol, integrate mechanical, electrical, liquid, compact conformation, easy to use, combine Active Compensation precision height and the large advantage of passive compensation load simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model compensation arrangement embodiment;
Fig. 2 is the structural representation of the utility model compensation arrangement medium power controlling organization.
In figure, 1. Active Compensation cylinder, 2. railing assembly, 3. active cylinder supporting seat, 4. link, 5. horse, 6. guide rail, 7. bearing pin A, 8. bearing pin B, 9. float overhead traveling crane, 10. dead line swing arm unit, 11. dead line pilot units, 12. days vehicle frames, 13. passive compensating cylinder assemblies, 14. power control mechanisms, 15. retaining mechanisms, 16. fast line pilot units, 17. fast line swing arm unit, 18. electric feedback load sensitive mechanisms, 19. passive compensating hydraulic cylinder A, 20. passive compensating hydraulic cylinder B, 21. low pressure accumulators, 22. isolating valves, 23. piston accumulators, 24. safety overflow valve A, 25. safety overflow valve B, 26. proportional control valves, 27. one way valves, 28. variable pumps, 29. proportional pressure control valves, 30. fuel tanks, 31. motors, 32. control units, 33. heave testing agencies, 34. displacement transducers, 35. pressure sensor A, 36. pressure sensor B, 37. work gas cylinders, 38. pulley A, 39. connecting axle A, 40. armed lever A, 41. armed lever B, 42. pulley B, 43. connecting axle B, 44. pulley C, 45. connecting axle C, 46. connecting axle D, 47. pulley D, 48. armed lever C, 49. pulley E, 50. connecting axle E, 51. armed lever D, 52. pulley F, 53. connecting axle F.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
With reference to Fig. 1, the structure of the utility model device is, comprise the horse 5 be fixed on day vehicle frame 12, horse 5 is upwards provided with railing assembly 2 by link 4, has been arranged side by side two pairs of guide rails 6 between link 4 and sky vehicle frame 12, the upper end of guide rail 6 by bolt and link 4 affixed, the lower end of guide rail 6 by bolt and sky vehicle frame 12 affixed, guide rail 6 is positioned at the space that four heel piece framves 5 surround, and guide rail 6 is undertaken affixed with between horse 5 by crossbeam, for strengthening rigidity and the stability of guide rail, two pairs of guide rails 6 are provided with floating overhead traveling crane 9 jointly, the four rolling of floating overhead traveling crane 9 can move up and down along guide rail 6, the overhead traveling crane 9 that floats is connected with tourist bus pulley by wire rope, the ear seat of floating overhead traveling crane 9 is connected by bearing pin B8 with the piston rod end of passive compensating cylinder assembly 13 with oscillating bearing, and oscillating bearing ensure that floating overhead traveling crane 9 allows certain swing amount of moving, link 4 stands upside down Active Compensation cylinder 1 is installed, the cylinder barrel of Active Compensation cylinder 1 is fixedly connected with active cylinder supporting seat 3, active cylinder supporting seat 3 is connected with link 4 by bolt again, and the piston rod end of Active Compensation cylinder 1 passes downwardly through bearing pin A7 and is connected with floating overhead traveling crane 9, passive compensating cylinder assembly 13 is connected with power control mechanism 14 respectively with Active Compensation cylinder 1, float and be provided with retaining mechanism 15 between overhead traveling crane 9 and sky vehicle frame 12, retaining mechanism 15 adopts pneumatic linear actuator or electric cylinder structure, when compensation arrangement is in uncompensation state, the overhead traveling crane 9 that floats is locked by retaining mechanism 15 and sky vehicle frame 12, ensures the safe condition of equipment, be bolted floating overhead traveling crane 9 side (on the left of Fig. 1) and a connecting axle C45 is installed, this connecting axle C45 is set with armed lever A40 and pulley C44, be bolted in sky vehicle frame 12 the same side (on the left of Fig. 1) and a connecting axle B43 is installed, this connecting axle B43 is set with armed lever B41 and pulley B42 (connecting axle B43 is called fast line pilot unit 16 together with pulley B42), armed lever A40 and armed lever B41 end are hinged with a connecting axle A39 jointly, connecting axle A39 is set with pulley A38 (connecting axle A39 is called fast line swing arm unit 17 together with pulley A38),
In addition, be bolted floating overhead traveling crane 9 opposite side (on the right side of Fig. 1) and a connecting axle D46 is installed, this connecting axle D46 is set with pulley D47 and armed lever C48, armed lever C48 and pulley D47 can rotate around this connecting axle D46, be bolted at sky vehicle frame 12 opposite side (on the right side of Fig. 1) and a connecting axle F53 is installed, connecting axle F53 is set with armed lever D51 and pulley F52 (connecting axle F53 is called dead line guiding device 11 together with pulley F52), armed lever C48 and armed lever D51 end are hinged with a connecting axle E50 jointly, connecting axle E50 is set with pulley C49 (connecting axle E50 is called dead line swing arm unit 10 together with pulley C49),
Be connected by bolt after armed lever B41 and connecting axle A39 plug-in mounting, armed lever A40, armed lever B41 and pulley A38 all can rotate around connecting axle A39, and armed lever B41 and pulley B42 all can rotate around connecting axle B43;
Armed lever D51 and pulley F52 can rotate around this connecting axle F53, is connected after the other end of armed lever D51 and connecting axle E50 plug-in mounting by bolt, and armed lever D51, armed lever C48 and pulley C49 all can rotate around connecting axle E50.
Fast line pilot unit 16, fast line swing arm unit 17, dead line swing arm unit 10 are connected with floating overhead traveling crane 9 respectively by wire rope with dead line pilot unit 11, and wire rope takes S shape to wear method, compare along wearing method, and be conducive to saving space, structure is compacter.
With reference to Fig. 2, passive compensating cylinder assembly 13 and Active Compensation cylinder 1 form power section, passive compensating cylinder assembly 13 comprises the passive compensating hydraulic cylinder A19 of the vertically setting side by side that piston rod protrudes upward and passive compensating hydraulic cylinder B20, and the piston rod of vertical inverted Active Compensation cylinder 1 stretches out downwards; Power section accepts the control of power control mechanism 14, and driving compensation apparatus completes heave compensation function.
Passive compensating cylinder assembly 13 comprises structure identical passive compensating hydraulic cylinder A19 and passive compensating hydraulic cylinder B20.
The structure of power control mechanism 14 is, jointly be connected with low pressure accumulator 21 after passive compensating hydraulic cylinder A19 is interconnected by pipeline with the rod chamber of passive compensating hydraulic cylinder B20, the rodless cavity of passive compensating hydraulic cylinder A19 and passive compensating hydraulic cylinder B20 is interconnected by oil pipe and to be jointly connected with isolating valve 22 afterwards, isolating valve 22 is communicated with piston accumulator 23 fluid side by pipeline, and piston accumulator 23 gas side is connected with work gas cylinder 37 by pipeline;
The rod chamber hydraulic fluid port of Active Compensation cylinder 1 is communicated with safety overflow valve A24, and the rodless cavity hydraulic fluid port of Active Compensation cylinder 1 is communicated with safety overflow valve B25, and meanwhile, the rodless cavity of Active Compensation cylinder 1 is communicated with proportional control valve 26 with rod chamber hydraulic fluid port; Proportional control valve 26 oil return opening is communicated with fuel tank, proportional control valve 26 oil-in is communicated with variable pump 28 oil-out, one way valve 27 is provided with in proportional control valve 26 and variable pump 28 outlet pipeline, variable pump 28 drives with motor 31 and is connected, stroking mechanism oil-out in variable pump 28 is communicated with proportional pressure control valve 29, proportional pressure control valve 29 exports connected tank 30, and variable pump 28 oil-in is communicated with fuel tank 30 by pipeline;
Platform heave testing agency 33, displacement transducer 34, safety overflow valve A24, safety overflow valve B25, isolating valve 22, motor 31 are connected with control unit 32 respectively, and the pressure sensor A35, the pressure sensor B36 that connect with control unit 32 respectively, proportional pressure control valve 29 are called electric feedback load sensitive mechanism 18 simultaneously together with variable pump 28; Displacement transducer 34 is for detecting Active Compensation cylinder 1 piston displacement, pressure sensor A35 is for detecting Active Compensation cylinder rod chamber pressure, pressure sensor 36B is for detecting Active Compensation cylinder rodless cavity pressure, and control unit 32 adopts the industrial computer with modulus disposal ability.
Operating principle of the present utility model is,
When compensation arrangement is in uncompensation state, described floating overhead traveling crane 9 is locked by retaining mechanism 15 and sky vehicle frame 12, keeps motionless.
When needs accurately control hook displacement, passive compensation and Active Compensation are opened simultaneously, system is in semi-active type state, now, control unit 32 sends signal actuating motor 31, motor 31 drives variable pump 28 to work, and for semi-active type process provides fluid, passive compensating hydraulic cylinder A19 coordination generation gas-liquid spring effect together with passive compensating hydraulic cylinder B20, piston accumulator 23, work gas cylinder 37 bears the static load suffered by compensation arrangement.Active Compensation cylinder 1 bears dynamic loading suffered by compensation arrangement, its motion state is controlled by control unit 32, when offshore boring island declines with wave, control unit 32 gathers offshore boring island heave information and Active Compensation cylinder 1 piston displacement information by offshore boring island heave testing agency 33 and displacement transducer 34, control program in control unit 32 is according to information-driven compensating proportion control valve 26 action gathered, the fluid that variable pump 28 is exported enters Active Compensation cylinder 1 rod chamber and stops the overhead traveling crane 9 that floats to decline, and maintains its invariant position relative to sea bed; Otherwise, when offshore boring island rises with wave, control unit 32 repeats above-mentioned information gathering and processing procedure, drives proportional control valve 26 action, the fluid that variable pump 28 is exported enters Active Compensation cylinder 1 rodless cavity and stops the overhead traveling crane 9 that floats to rise, and maintains its invariant position relative to sea bed.
The pressure sensor A35 of Active Compensation cylinder 1 rod chamber and the pressure sensor B36 of rodless cavity detects place circuit pressure feedback to control unit 32, after control unit 32 processes this information, send signal and control to export with stroking mechanism in variable pump 28 oil liquid pressure that the proportional pressure control valve 29 be connected makes variable pump 28 export all the time higher than pressure one steady state value of Active Compensation cylinder 1 hydraulic fluid port, follow to make the power output of variable pump 28 changed power that Active Compensation cylinder 1 consumes and change, reduce Hydraulic System Fever, realize energy saving of system.
Isolating valve 22 is in normally open, when occurring that such as wire cable rupture compensation arrangement loses suddenly load, piston fast upward motion in passive compensating hydraulic cylinder A18 and passive compensating hydraulic cylinder B19 clashes into cylinder cap, for avoiding the isolating valve 22 meeting closedown automatically that causes the accident, ensure that the piston of passive compensating hydraulic cylinder A18 and hydraulic cylinder B19 is parked in original position.
Low pressure accumulator 21 makes passive compensating hydraulic cylinder A18 and passive compensating hydraulic cylinder B19 rod chamber be full of fluid, avoids air to be mixed into hydraulic oil, improves the sealing performance of passive compensating cylinder piston.
The utility model compensation arrangement, combines the advantage that Active Compensation precision is high and passive compensation load is large simultaneously, compact conformation, easy to use, safely to lean on.
Claims (5)
1. a semi-active type drilling platform crown-block heave compensator, its feature is: comprise the horse (5) be fixed on a day vehicle frame (12), horse (5) is upwards provided with railing assembly (2) by link (4), two pairs of guide rails (6) have been arranged side by side between link (4) and sky vehicle frame (12), upper end and the link (4) of guide rail (6) are affixed, lower end and the sky vehicle frame (12) of guide rail (6) are affixed, guide rail (6) is positioned at the space that four heel piece framves (5) surround, undertaken affixed by crossbeam between guide rail (6) same to horse (5), two pairs of guide rails (6) are provided with floating overhead traveling crane (9) jointly, the overhead traveling crane (9) that floats is connected with tourist bus pulley by wire rope, and the ear seat of the overhead traveling crane (9) that floats is connected with the piston rod end of passive compensating cylinder assembly (13) with oscillating bearing, in link (4) upper handstand, Active Compensation cylinder (1) is installed, the cylinder barrel of Active Compensation cylinder (1) is fixedly connected with active cylinder supporting seat (3), active cylinder supporting seat (3) is connected with link (4), and the piston rod end of Active Compensation cylinder (1) is connected with floating overhead traveling crane (9) downwards, passive compensating cylinder assembly (13) is connected with power control mechanism (14) respectively with Active Compensation cylinder (1).
2. semi-active type drilling platform crown-block heave compensator according to claim 1, its feature is: be provided with retaining mechanism (15) between described floating overhead traveling crane (9) and sky vehicle frame (12), retaining mechanism (15) adopts pneumatic linear actuator or electric cylinder structure, when compensation arrangement is in uncompensation state, the overhead traveling crane (9) that floats is locked by retaining mechanism (15) and sky vehicle frame (12).
3. semi-active type drilling platform crown-block heave compensator according to claim 1, its feature is: be installed with a connecting axle C (45) in described floating overhead traveling crane (9) side, this connecting axle C (45) is set with armed lever A (40) and pulley C (44), a connecting axle B (43) is installed with in sky vehicle frame (12) the same side, this connecting axle B (43) is set with armed lever B (41) and pulley B (42), armed lever A (40) and armed lever B (41) end are hinged with a connecting axle A (39) jointly, connecting axle A (39) is set with pulley A (38),
In addition, a connecting axle D (46) is installed with at floating overhead traveling crane (9) opposite side, this connecting axle D (46) is set with pulley D (47) and armed lever C (48), a connecting axle F (53) is installed with in sky vehicle frame (12) this side, connecting axle F (53) is set with armed lever D (51) and pulley F (52), armed lever C (48) and armed lever D (51) end are hinged with a connecting axle E (50) jointly, connecting axle E (50) are set with pulley C (49);
Be connected after armed lever B (41) and connecting axle A (39) plug-in mounting, armed lever A (40), armed lever B (41) and pulley A (38) all can rotate around connecting axle A (39), and armed lever B (41) and pulley B (42) all can rotate around connecting axle B (43);
Armed lever D (51) and pulley F (52) can rotate around this connecting axle F (53), be connected after the other end of armed lever D (51) and connecting axle E (50) plug-in mounting, armed lever D (51), armed lever C (48) and pulley C (49) all can rotate around connecting axle E (50).
4. semi-active type drilling platform crown-block heave compensator according to claim 1, its feature is: described connecting axle B (43) and pulley B (42) is called fast line pilot unit (16) together, connecting axle A (39) and pulley A (38) is called fast line swing arm unit (17) together, connecting axle F (53) and pulley F (52) is called dead line guiding device (11) together, connecting axle E (50) and pulley C (49) is called dead line swing arm unit (10) together, fast line pilot unit (16), fast line swing arm unit (17), dead line swing arm unit (10) is connected with floating overhead traveling crane (9) respectively by wire rope with dead line pilot unit (11), wire rope takes S shape to wear method.
5. semi-active type drilling platform crown-block heave compensator according to claim 1, its feature is: the structure of described power control mechanism (14) is, passive compensating cylinder assembly (13) comprises the identical passive compensating hydraulic cylinder A (19) of structure and passive compensating hydraulic cylinder B (20), jointly be connected with low pressure accumulator (21) after passive compensating hydraulic cylinder A (19) is interconnected by pipeline with the rod chamber of passive compensating hydraulic cylinder B (20), the rodless cavity of passive compensating hydraulic cylinder A (19) and passive compensating hydraulic cylinder B (20) is interconnected by oil pipe and to be jointly connected with isolating valve (22) afterwards, isolating valve (22) is communicated with piston accumulator (23) fluid side by pipeline, piston accumulator (23) gas side is connected with work gas cylinder (37) by pipeline,
The rod chamber hydraulic fluid port of Active Compensation cylinder (1) is communicated with safety overflow valve A (24), the rodless cavity hydraulic fluid port of Active Compensation cylinder (1) is communicated with safety overflow valve B (25), meanwhile, the rodless cavity of Active Compensation cylinder (1) is communicated with proportional control valve (26) with rod chamber hydraulic fluid port; Proportional control valve (26) oil return opening is communicated with fuel tank, proportional control valve (26) oil-in is communicated with variable pump (28) oil-out, one way valve (27) is provided with in proportional control valve (26) and variable pump (28) outlet pipeline, variable pump (28) drives with motor (31) and is connected, stroking mechanism oil-out in variable pump (28) is communicated with proportional pressure control valve (29), proportional pressure control valve (29) outlet connected tank (30), variable pump (28) oil-in is communicated with fuel tank (30) by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420738222.9U CN204283252U (en) | 2014-11-27 | 2014-11-27 | A kind of semi-active type drilling platform crown-block heave compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420738222.9U CN204283252U (en) | 2014-11-27 | 2014-11-27 | A kind of semi-active type drilling platform crown-block heave compensator |
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| CN204283252U true CN204283252U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420738222.9U Expired - Fee Related CN204283252U (en) | 2014-11-27 | 2014-11-27 | A kind of semi-active type drilling platform crown-block heave compensator |
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| CN (1) | CN204283252U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832475A (en) * | 2015-05-06 | 2015-08-12 | 宝鸡石油机械有限责任公司 | Hydraulic control system for active compensation part of semi-active ascending and descending compensation device |
| CN104912494A (en) * | 2015-05-27 | 2015-09-16 | 中国船舶重工集团公司第七0四研究所 | Deep-water drilling overhead traveling crane type wave compensation device |
| CN106089127A (en) * | 2016-07-27 | 2016-11-09 | 西南石油大学 | A kind of semi-active type overhead traveling crane heave compensation system for deepwater drilling operation |
| CN106837207A (en) * | 2017-02-20 | 2017-06-13 | 四川宏华石油设备有限公司 | Half active crown-block heave compensator |
| CN107060662A (en) * | 2017-02-27 | 2017-08-18 | 中建钢构有限公司 | Half active compensation apparatus control system |
| WO2018026983A1 (en) * | 2016-08-03 | 2018-02-08 | Cameron International Corporation | Top mounted compensator for use in a motion compensation system |
| CN109052193A (en) * | 2018-09-26 | 2018-12-21 | 江苏科技大学 | A kind of compensation of undulation A type door frame Special-purpose hanger connector |
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2014
- 2014-11-27 CN CN201420738222.9U patent/CN204283252U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832475A (en) * | 2015-05-06 | 2015-08-12 | 宝鸡石油机械有限责任公司 | Hydraulic control system for active compensation part of semi-active ascending and descending compensation device |
| CN104912494A (en) * | 2015-05-27 | 2015-09-16 | 中国船舶重工集团公司第七0四研究所 | Deep-water drilling overhead traveling crane type wave compensation device |
| CN106089127A (en) * | 2016-07-27 | 2016-11-09 | 西南石油大学 | A kind of semi-active type overhead traveling crane heave compensation system for deepwater drilling operation |
| CN106089127B (en) * | 2016-07-27 | 2018-06-15 | 西南石油大学 | A kind of semi-active type overhead traveling crane heave compensation system for deepwater drilling operation |
| WO2018026983A1 (en) * | 2016-08-03 | 2018-02-08 | Cameron International Corporation | Top mounted compensator for use in a motion compensation system |
| US10435962B2 (en) | 2016-08-03 | 2019-10-08 | Cameron International Corporation | Top-mounted compensator for use in a motion compensation system |
| CN106837207A (en) * | 2017-02-20 | 2017-06-13 | 四川宏华石油设备有限公司 | Half active crown-block heave compensator |
| CN107060662A (en) * | 2017-02-27 | 2017-08-18 | 中建钢构有限公司 | Half active compensation apparatus control system |
| CN109052193A (en) * | 2018-09-26 | 2018-12-21 | 江苏科技大学 | A kind of compensation of undulation A type door frame Special-purpose hanger connector |
| CN109052193B (en) * | 2018-09-26 | 2023-09-12 | 江苏科技大学 | Special lifting joint for wave compensation A-type portal frame |
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