CN211287565U - Marine drilling riser tensioning ware translation device - Google Patents
Marine drilling riser tensioning ware translation device Download PDFInfo
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- CN211287565U CN211287565U CN201921819846.2U CN201921819846U CN211287565U CN 211287565 U CN211287565 U CN 211287565U CN 201921819846 U CN201921819846 U CN 201921819846U CN 211287565 U CN211287565 U CN 211287565U
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Abstract
The utility model discloses a marine drilling riser tensioner translation device, which comprises a supporting beam, wherein the supporting beam is provided with a guide rail, a sliding beam, a slider, a sliding hydraulic cylinder and a locking device, two ends of the sliding hydraulic cylinder are respectively connected with the sliding beam and the slider, the sliding beam and the slider can slide along the guide rail and can be locked by the locking device, and the sliding beam is used for connecting the tensioner; the translation method is that the target positions of the sliding block and the sliding beam are determined according to the position relation between the current operation well position and the target operation well position; releasing the locking device on the sliding block, extending the sliding hydraulic cylinder by a specified length, driving the sliding block to move to a target position, and locking the locking device on the sliding block; and releasing the locking device on the sliding beam, retracting the sliding hydraulic cylinder to a specified length, driving the sliding beam to move to a target position, and locking the locking device on the sliding beam. The utility model discloses simplify the drive arrangement structure that slides, reduced manufacturing cost to improve the reliability of sliding, easily assembly and maintenance.
Description
Technical Field
The utility model relates to an offshore oil drilling and production technical field, in particular to marine drilling riser tensioning ware translation device.
Background
Offshore deepwater drilling operations are typically performed by offshore floating rigs. The drilling riser is the connecting channel between the subsea wellhead and the floating vessel through which drilling fluid is returned to the floating vessel and carries cuttings out of the well bottom. Riser tensioners on the floating vessel pull the riser from the top, maintaining an approximately constant tension load, reducing the adverse effects of relative motion between the floating vessel and the seafloor on the riser.
The floating platform riser tensioner currently has a wire rope type and a hydraulic cylinder direct acting type. Wire line tensioners are typically used only for single wellhead operations, while dual wellhead operations typically employ hydraulic cylinder direct acting tensioners. The existing hydraulic cylinder direct acting type tensioner usually adopts a gear/rack mode to drive the tensioner to move between two well heads, and has higher requirements on the machining and installation precision of a gear rack; and the tensioner has a large load on the supporting beam when the suspension riser string translates, so that the rack deforms greatly and the meshing of the rack and the pinion is influenced, thereby damaging the rack and the pinion or reducing the service life of the rack and the pinion.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome adopting hydraulic cylinder direct action formula tensioning ware in the double well head operation that exists among the prior art, it is higher to rack and pinion processing installation accuracy requirement, and the rack warp when hanging the translation of riser cluster is great, influences rack and pinion meshing's not enough, provides a marine drilling riser tensioning ware translation device.
In order to realize the purpose of the utility model, the utility model provides a following technical scheme:
the utility model provides an ocean drilling marine riser tensioning ware translation device, includes a supporting beam, be equipped with guide rail, sliding beam, slider, the hydraulic cylinder that slides and locking device on the supporting beam, the both ends of the hydraulic cylinder that slides respectively with sliding beam the slider is connected, just sliding beam with the slider all can be along the guide rail slides and passes through locking device locks, sliding beam is used for connecting tensioning ware.
When the well needs to be moved from the current operation well position to the target operation well position, the sliding beam drives the tensioner to slide along the guide rail, and finally the tensioner is locked through the locking device. The sliding block can drive the sliding hydraulic cylinder to move, and compared with the sliding hydraulic cylinder which is directly fixed on the supporting beam, the sliding hydraulic cylinder can be greatly shortened in length, and the cost is reduced. The locking means on the skid beams also have the effect of taking up the tension component in the sliding direction when the drilling riser is deflected.
Translation device, use through the cooperation of hydraulic cylinder and locking device that slides, tensioning ware adjustment operating position orders about that can be convenient. Compared with the prior art, the structure of the sliding driving device is simplified, the production cost is reduced, the sliding reliability is improved, and the assembly and the maintenance are easy.
Preferably, the support beam is provided with at least two locking hole sites at intervals along the direction of the guide rail, and the locking hole sites are matched with the locking devices.
Preferably, the locking device comprises a locking sliding sleeve, a locking pin and a locking hydraulic cylinder, the locking hydraulic cylinder is connected with the locking pin, the locking hydraulic cylinder drives the locking pin to slide along the locking sliding sleeve, the locking pin is matched with the locking hole, and locking and unlocking are achieved by inserting and pulling out the locking pin into and from the locking hole.
The supporting beam also can not set up the locking hole site on, locking device can adopt any other structural style that can realize locking, is not limited to the fitting pin structure.
Preferably, one end of the locking pin, which is adapted to the locking hole, is provided with a taper, and the taper is used for guiding, so that the influence of manufacturing errors and sensor errors on the insertion of the locking pin into the locking hole can be reduced.
Preferably, all locking hole sites are uniformly distributed, and the distance between every two adjacent locking hole sites is the common divisor of the distance between every two adjacent operation well sites, so that the position adjustment is facilitated.
Preferably, the bottom of the sliding beam and the bottom of the sliding block are both provided with supporting roller devices, and the side surfaces of the sliding beam and the sliding block are both provided with guide roller devices. To reduce frictional resistance during slipping and power consumption of the drive device during slipping, and to reduce wear of the support surface.
Preferably, the sliding hydraulic cylinder is provided with a position sensor, and the position sensor is used for monitoring the telescopic displacement of the sliding hydraulic cylinder. The distance of each expansion of the piston rod of the sliding hydraulic cylinder is matched with the distance of the locking hole positions, so that the locking pin and the locking hole positions are accurately positioned.
Preferably, a drag chain is arranged on the support beam, one end of the drag chain is connected with the support beam, and the other end of the drag chain is connected with the sliding beam. The drag chain is used to guide and protect hydraulic hoses and cables connected to the skid beam or tensioner.
Preferably, two ends of the guide rail are provided with limiting blocks to prevent the sliding beam from accidentally rushing out of the support beam.
The utility model also discloses a marine drilling riser tensioning ware translation method utilizes arbitrary a marine drilling riser tensioning ware translation device carry out tensioning ware's translation, including following step:
the method comprises the following steps: determining the target positions of the sliding block and the sliding beam according to the position relation between the current operation well position and the target operation well position;
step two: releasing the locking device on the sliding block, extending the sliding hydraulic cylinder by a specified length, driving the sliding block to move to a target position, and locking the locking device on the sliding block;
step three: releasing the locking device on the sliding beam, retracting the sliding hydraulic cylinder to a specified length, driving the sliding beam to move to a target position, and locking the locking device on the sliding beam;
the second step and the third step can be replaced by:
step two: releasing the locking device on the sliding beam, extending the sliding hydraulic cylinder by a specified length, driving the sliding beam to move to a target position, and locking the locking device on the sliding beam;
step three: and releasing the locking device on the sliding block, retracting the sliding hydraulic cylinder for a specified length, driving the sliding block to move to a target position, and locking the locking device on the sliding block.
Translation method, can guarantee the same distance of roof beam and slider motion that slides through the hydraulic cylinder that slides, all reach the target location, lock through locking device at last. Translation method easy operation, the reliability of sliding is high, the precision of sliding is also higher.
Compared with the prior art, the beneficial effects of translation device:
translation device, use through the cooperation of hydraulic cylinder and locking device that slides, tensioning ware adjustment operating position orders about that can be convenient. Compared with the prior art, the structure of the sliding driving device is simplified, the production cost is reduced, the sliding reliability is improved, and the assembly and the maintenance are easy.
Compared with the prior art, the beneficial effect of translation method:
translation method, can guarantee the same distance of roof beam and slider motion that slides through the hydraulic cylinder that slides, all reach the target location, lock through locking device at last. Translation method easy operation, the reliability of sliding is high, the precision of sliding is also higher.
Description of the drawings:
fig. 1 is a top view of a marine drilling riser tensioner translation device according to the present invention.
Fig. 2 is a front view of a marine drilling riser tensioner translation device according to the present invention.
Fig. 3 is a side view of a marine drilling riser tensioner translation device in accordance with the present invention.
Fig. 4 is a schematic structural diagram of the locking device of the present invention in an unlocked state.
Fig. 5 is a schematic structural diagram of the locking device of the present invention in a locking state.
Fig. 6 is a first diagram of the sliding state of the marine drilling riser tensioner translation device according to the present invention.
Fig. 7 is a diagram of the slippage state of the marine drilling riser tensioner translation device of the present invention.
Fig. 8 is a third diagram of the slip state of the marine drilling riser tensioner translation device according to the present invention.
Fig. 9 is a fourth diagram of the slip state of the marine drilling riser tensioner translation device according to the present invention.
Fig. 10 is a diagram of the slippage state of the marine drilling riser tensioner translation device according to the present invention.
The labels in the figure are: 01-drill floor structure, 02-tensioning hydraulic cylinder, 3-supporting beam, 31-locking hole site, 32-drag chain, 33-limiting block, 4-sliding beam, 5-sliding block, 6-sliding hydraulic cylinder, 7-locking device, 71-locking sliding sleeve, 72-locking pin, 73-locking hydraulic cylinder, 8-supporting roller device, 9-guiding roller device and 10-shackle.
Detailed Description
The present invention will be described in further detail with reference to test examples and specific embodiments. However, it should not be understood that the scope of the above-mentioned subject matter is limited to the following embodiments, and all the technologies realized based on the present invention are within the scope of the present invention.
Example 1
As shown in fig. 1-3, the marine drilling riser tensioner translation device comprises 2 groups of support beams 3 welded or bolted below a drill floor structure 01, each group of support beams 3 is a semi-open type support guide rail formed by a pair of mirror-image L-shaped steel structures, a sliding beam 4 and a sliding block 5 are arranged on the guide rail, and both the sliding beam 4 and the sliding block 5 can slide along the guide rail. The supporting beam 3 can be spliced in the length direction, and two ends of the supporting beam are provided with limiting blocks 33 used for preventing the sliding beam 4 and the sliding block 5 from accidentally rushing out of the supporting beam 3. And a tensioning hydraulic cylinder 02 of the tensioner is hung on a pin shaft at the lower part of the sliding beam 4 through a shackle 10, and the sliding beam 4 drives the tensioning hydraulic cylinder 02 to translate below the drill floor structure 01.
A plurality of locking hole positions 31 are uniformly distributed on the support beam 3, and the distance between two operation well positions is integral multiple of the distance between two adjacent locking hole positions 31. Four locking devices 7 are arranged on the sliding beam 4, two locking devices 7 are arranged on the sliding block 5, and the locking devices 7 are matched with the locking hole positions 31, so that the sliding beam 4 and the sliding block 5 are locked on the supporting beam 3 respectively. The locking means 7 on the skid beams 4 also have the function of taking up the tension component in the sliding direction when the drilling riser is deflected.
As shown in fig. 4-5, the locking device 7 is composed of a locking sliding sleeve 71, a locking pin 72 and a locking hydraulic cylinder 73. The cylinder barrel of the locking hydraulic cylinder 73 is arranged on the locking sliding sleeve 71, the locking pin 72 is in pin shaft connection with the piston rod of the locking hydraulic cylinder 73, and the locking pin 72 can slide in the locking sliding sleeve 71. The locking hydraulic cylinder 73 drives the locking pin 72 to be inserted into and pulled out of at least two locking hole positions 31 on the support beam 3. The front end of the locking pin 72 is designed with a guiding taper, so that the influence of manufacturing errors and sensor errors on the insertion of the locking pin 72 into the locking hole position 31 can be reduced. The locking means 7 for the sliding beam 4 and the slide 5 are interchangeable.
The sliding beam 4 and the sliding block 5 are connected through the sliding hydraulic cylinder 6, specifically, a cylinder barrel and a piston rod of the sliding hydraulic cylinder 6 are respectively connected with the sliding beam 4 and the sliding block 5 through a pin shaft, a displacement sensor is arranged in the sliding hydraulic cylinder 6, a control system detects the telescopic displacement of the piston rod, the telescopic distance of the piston rod at each time is matched with the distance between the locking hole sites 31, and therefore accurate positioning between the locking pin 72 and the locking hole sites 31 is achieved.
And supporting roller devices 8 are arranged at the bottoms of the sliding beam 4 and the sliding block 5 and used for supporting the whole tensioner and the riser string, and guide roller devices 9 are arranged on the side surfaces of the sliding beam and the sliding block and used for preventing overlarge deflection during sliding. And the roller devices are adopted for supporting and guiding, so that the friction resistance during sliding can be reduced, the power consumption of the driving device during sliding can be reduced, and the abrasion of the supporting surface can be reduced. One end of the drag chain 32 is connected with the support beam 3, and the other end is connected with the sliding beam 4, and the drag chain is used for guiding and protecting a hydraulic rubber hose and a cable which are connected to the sliding beam 4 or the tensioning hydraulic cylinder 02.
Example 2
A method of translating a marine drilling riser tensioner, the method comprising translating the tensioner using the marine drilling riser tensioner translation device of embodiment 1.
Assuming that the state shown in fig. 6 is the positions of the slide block 5 and the sliding beam 4 at the current working well position and the state shown in fig. 10 is the target device of the slide block 5 and the sliding beam 4 at the target working well position, the method for moving from the current working well position to the target working well position comprises the following steps:
the method comprises the following steps: determining the target positions (as shown in fig. 10) of the sliding block 5 and the sliding beam 4, and the moving directions and distances of the sliding block 5 and the sliding beam 4 according to the position relationship between the current operation well position and the target operation well position;
step two: as shown in fig. 7, the locking pin 72 on the sliding block 5 is pulled out, the sliding hydraulic cylinder 6 is driven to extend, the sliding block 5 is driven to slide, and the sliding block 5 enters a sliding state;
step three: as shown in fig. 8, when the sliding hydraulic cylinder 6 continues to extend, and the control system detects that the extension of the piston rod of the sliding hydraulic cylinder 6 reaches a predetermined distance through the displacement sensor, the control system controls the piston rod to stop extending, and then drives the locking pin 72 on the sliding block 5 to be inserted into the next group of locking hole sites 31, so as to enter a state that the sliding block 5 moves in place;
step four: as shown in fig. 9, the locking pin 72 on the sliding beam 4 is pulled out, the sliding hydraulic cylinder 6 is driven to contract, the sliding beam 4 is driven to slide, and the sliding beam 4 enters a sliding state;
step five: as shown in fig. 10, the sliding hydraulic cylinder 6 continues to contract, when the control system detects that the piston rod of the sliding hydraulic cylinder 6 contracts to the initial distance through the displacement sensor, the control system controls the piston rod to stop contracting, and then drives the locking pin 72 on the sliding beam 4 to be inserted into the next group of locking hole sites 31, so as to enter a target well position state.
And continuously repeating the first step to the fifth step to realize the stepping movement of the sliding beam 4, so as to drive the tensioner below the sliding beam 4 to perform stepping movement.
Example 3
A method of translating a marine drilling riser tensioner, the method comprising translating the tensioner using the marine drilling riser tensioner translation device of embodiment 1.
Assuming that the state shown in fig. 10 is the positions of the slide block 5 and the sliding beam 4 at the current working well position and the state shown in fig. 6 is the target device of the slide block 5 and the sliding beam 4 at the target working well position, the method for moving from the current working well position to the target working well position comprises the following steps:
the method comprises the following steps: determining the target positions (as shown in fig. 6) of the sliding block 5 and the sliding beam 4, and the moving directions and distances of the sliding block 5 and the sliding beam 4 according to the position relationship between the current operation well position and the target operation well position;
step two: as shown in fig. 9, the locking pin 72 on the sliding beam 4 is pulled out, the sliding hydraulic cylinder 6 is driven to extend, the sliding beam 4 is driven to slide, and the sliding beam 4 enters a sliding state;
step three: as shown in fig. 8, when the sliding hydraulic cylinder 6 continues to extend, and the control system detects that the extension of the piston rod of the sliding hydraulic cylinder 6 reaches a predetermined distance through the displacement sensor, the control system controls the piston rod to stop extending, and then drives the locking pin 72 on the sliding beam 4 to be inserted into the next group of locking hole sites 31, and enters a state that the sliding beam 4 moves in place;
step four: as shown in fig. 7, the locking pin 72 on the sliding block 5 is pulled out, the sliding hydraulic cylinder 6 is driven to contract, the sliding block 5 is driven to slide, and the sliding block 5 enters a sliding state;
step five: as shown in fig. 6, the sliding hydraulic cylinder 6 continues to contract, when the control system detects that the piston rod of the sliding hydraulic cylinder 6 contracts to the initial distance through the displacement sensor, the control system controls the piston rod to stop contracting, and then drives the locking pin 72 on the sliding block 5 to be inserted into the next group of locking hole sites 31, so as to enter the target well position state.
And continuously repeating the first step to the fifth step to realize the stepping movement of the sliding beam 4, so as to drive the tensioner below the sliding beam 4 to perform stepping movement.
The above embodiments are only used to illustrate the present invention and not to limit the technical solutions described in the present invention, and although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and therefore, any modification or equivalent replacement may be made to the present invention; all technical solutions and modifications without departing from the spirit and scope of the present invention should be covered by the claims of the present invention.
Claims (9)
1. The utility model provides an ocean drilling marine riser tensioning ware translation device, its characterized in that, includes a supporting beam, be equipped with guide rail, sliding beam, slider, the hydraulic cylinder that slides and locking device on the supporting beam, the both ends of the hydraulic cylinder that slides respectively with sliding beam the slider is connected, just sliding beam with the slider all can be along the guide rail slides and passes through locking device locks.
2. The marine drilling riser tensioner translation device of claim 1, wherein the support beam is provided with at least two locking holes spaced along the direction of the guide rail, and the locking holes are adapted to the locking device.
3. The marine drilling riser tensioner translation device of claim 2, wherein the locking device comprises a locking sliding sleeve, a locking pin and a locking hydraulic cylinder, the locking hydraulic cylinder is connected with the locking pin, the locking hydraulic cylinder drives the locking pin to slide along the locking sliding sleeve, and the locking pin is adapted to the locking hole.
4. The marine drilling riser tensioner translation device of claim 3, wherein the end of the locking pin adapted to the locking hole is tapered.
5. The marine drilling riser tensioner translation device according to claim 2, wherein all the locking holes are uniformly distributed, and the distance between two adjacent locking holes is a common divisor of the distance between two adjacent working well positions.
6. The marine drilling riser tensioner translation device according to claim 1, wherein the bottom of the sliding beam and the bottom of the sliding block are provided with support roller means, and the side surfaces of the sliding beam and the sliding block are provided with guide roller means.
7. The marine drilling riser tensioner translation device of claim 1, wherein the sliding hydraulic cylinder is provided with a position sensor for monitoring the telescopic displacement of the sliding hydraulic cylinder.
8. The marine drilling riser tensioner translation device according to any one of claims 1 to 7, wherein a drag chain is provided on the support beam, one end of the drag chain is connected to the support beam, and the other end is connected to the skidding beam.
9. The marine drilling riser tensioner translation device according to any one of claims 1 to 7, wherein the two ends of the guide rail are provided with a stop block.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921819846.2U CN211287565U (en) | 2019-10-25 | 2019-10-25 | Marine drilling riser tensioning ware translation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921819846.2U CN211287565U (en) | 2019-10-25 | 2019-10-25 | Marine drilling riser tensioning ware translation device |
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| CN211287565U true CN211287565U (en) | 2020-08-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685615A (en) * | 2019-10-25 | 2020-01-14 | 四川宏华石油设备有限公司 | Marine drilling riser tensioner translation device and translation method |
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- 2019-10-25 CN CN201921819846.2U patent/CN211287565U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685615A (en) * | 2019-10-25 | 2020-01-14 | 四川宏华石油设备有限公司 | Marine drilling riser tensioner translation device and translation method |
| CN110685615B (en) * | 2019-10-25 | 2024-04-09 | 四川宏华石油设备有限公司 | Marine drilling riser tensioner translation device and translation method |
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