CN206571453U - A kind of floating type well drilling BOP board migration devices - Google Patents
A kind of floating type well drilling BOP board migration devices Download PDFInfo
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- CN206571453U CN206571453U CN201720215327.XU CN201720215327U CN206571453U CN 206571453 U CN206571453 U CN 206571453U CN 201720215327 U CN201720215327 U CN 201720215327U CN 206571453 U CN206571453 U CN 206571453U
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- 238000013508 migration Methods 0.000 title claims abstract description 66
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- 239000011159 matrix material Substances 0.000 claims abstract description 62
- 239000012530 fluid Substances 0.000 claims abstract description 33
- 238000012360 testing method Methods 0.000 claims abstract description 28
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Abstract
The utility model is related to petroleum works apparatus field, and in particular to a kind of floating type well drilling BOP board migration devices, including matrix, pressure testing device, lowering or hoisting gear, translating device, buffer unit, mobile platform, anchoring device, guide pipe, anti-tilting apparatus, locking device, pressure testing device, lowering or hoisting gear, translating device, buffer unit, mobile platform, anchoring device, guide pipe, anti-tilting apparatus, locking device are connected with matrix respectively.Lowering or hoisting gear includes gear and rack, and gear driving rack realizes lifting；Locking device include fluid cylinder and latch segment, it is necessary to when fluid cylinder driving latch segment locking rack.This BOP board migration devices can quickly and easily adjust BOP height, reach raising efficiency, reduce the purpose of cost by the collective effect of lowering or hoisting gear and locking device.
Description
Technical field
The utility model is related to a kind of device to movement preventer, especially a kind of floating type well drilling BOP board migration devices.
Background technology
Semisubmersible drilling platform or drill ship are the offshore structures for drilling well, mainly include drilling platforms equipment,
The equipment such as power, communication, navigation.
Drilling platforms equipment include drilling equipment, power-equipment, cementing equipment, formation testing equipment, lifting, anchoring and mooring system and its
His auxiliary equipment, drilling equipment therein mainly includes subsea blowout preventer, marine riser (RISER), LMRP and other auxiliary devices.
Crucial well-control equipment is subsea blowout preventer, i.e. BOP under water, is to be used to close in the operation process such as formation testing, well workover, completion
Well head is closed, the security seal wellhead assembly for preventing gas blowout accident from occurring.BOP agent structure is mainly subject to high pressure, and inside is closed
Key member is valve member, flashboard, and BOP connects other equipment by flange, and flange can bear whole BOP weight, for BOP's
Transfer operation.But because BOP miscellaneous part cannot bear larger external force, therefore under normal circumstances, it is set with BOP
BOP frameworks, are oriented to and protective effect during being transferred to BOP, can not only be supported BOP whole weight, can also be prevented BOP
Body is because the motion that hull waves generation makes it be collided with hull.The frame structure that BOP frameworks are integrally opened in surrounding,
Include the upright of frame of four vertical directions, the support block positioned is provided with upright of frame, support block is arranged on frame
Erect on post, and extend out to the periphery of upright of frame in the horizontal direction.When BOP is transferred into seawater, be connected with BOP every
Water pipe and the LMRP for connecting BOP and marine riser.
Moon pool, well head etc. are provided with floating drilling platform, BOP and LMRP are usually placed in moon pool end, and in moon pool
Both sides slideway and dolly are installed, for preventer group decentralization reclaim.Preventer group usually requires to be stored, movement, examination
The operation such as pressure, is sent to or is moved away from pithead position, to complete to transfer or reclaim operation by preventer group.
Wherein preventer mainly includes following operating process：
A, storage
Before the mounting, preventer is commonly stored on drilling platforms；
Prior art common practice is that special storage area is divided on drilling platforms or moon pool area is directly stored in
In domain.
B, movement
In drilling process, preventer need to be transported to by pithead position from storage location by transportation equipment, decentralization, peace
Dress；
Common practice is by the guide rail and dolly of utilization moon pool side, by blowout preventer moving to well head in the prior art
Afterwards, dolly is removed, recycles loop wheel machine to hang in preventer to well head.
C, pressure testing
, it is necessary to carry out pressure testing to preventer, pressure testing is installed after finishing, and is sequentially connected blowout prevention before preventer decentralization
Each part of device and standpipe.
In order to realize aforesaid operations, it usually needs multiple equipment being separated from each other are used cooperatively, relatively only between each equipment
It is vertical, larger space need to be taken in arrangement, meanwhile, operating process is relatively complicated.
Utility model content
In view of this, it is necessary to which a kind of quickly and easily floating type well drilling BOP board migration devices are provided.
A kind of floating type well drilling BOP board migration devices, including
BOP；
Matrix；
Pressure testing device；
It is characterized in that：Also include
Lowering or hoisting gear；
Rack；
The elevating mechanism is connected with described matrix；
The rack is connected with the BOP；
Retaining mechanism；
Lock fluid cylinder；
The retaining mechanism is connected with described matrix；
The retaining mechanism is connected with the locking fluid cylinder；
The locking fluid cylinder is connected with described matrix.
Floating type well drilling BOP board migration devices also include
First pull bar；
At least one second pull bar；
First pull bar is connected with described matrix；
Second pull bar is connected with described matrix.
The lowering or hoisting gear includes
Gear；
Motor；
The gear is connected with the motor.
The retaining mechanism is the latch segment being engaged with the rack.
The lowering or hoisting gear also includes translation fluid cylinder；
The translation fluid cylinder is connected with the motor；
The translation fluid cylinder is connected with described matrix.
When BOP needs to be raised and lowered height, risen by BOP lowering or hoisting gears or drop completion；When BOP needs to rest on certain
During one height, by BOP locking device load-bearing when, BOP locking devices locking BOP.This way it is possible to realize BOP diverse locations
Park, so as to adapt to different operating operating mode（Pressure testing, decentralization and storage）.BOP is quickly switched into pressure testing state from storing state, tried
It can quickly switch to storing state again after the completion of pressure.Equipment volume is reduced, the operating time is shortened, drilling efficiency is improved,
Reduce drilling cost.
It is preferred that, two groups of guide pipes are provided with described matrix.
When BOP transfers to board migration device by outside handling appliance, BOP lead and guide pipe are aligned and inserted into guiding
Guan Zhong, it is to avoid BOP interferes or collided with board migration device.
It is preferred that, four groups of roller slide devices are provided with described matrix.
Pass through roller slide device, it is possible to reduce the frictional force of board migration device, reduce energy demand.
It is preferred that, mobile platform is provided with described matrix.
The mobile platform is used for facilitating operating personnel to work.
It is preferred that, buffer unit is provided with described matrix.
The buffer unit is arranged on the BOP board migration devices front end, to slow down impact.
It is preferred that, anti-tilting apparatus are provided with described matrix.
The anti-tilting apparatus are used for preventing BOP board migration devices from tumbling because of the motion of hull.
It is preferred that, anchoring device is provided with described matrix.
The anchoring device carries out grappling in the BOP board migration devices movement relevant position, for fixing BOP movements dress
Put.
It is preferred that, pressure testing device is provided with described matrix.
The pressure testing device is used for testing the BOP.
By adopting the above-described technical solution, the beneficial effects of the utility model are：
By the collective effect of lowering or hoisting gear and locking device, BOP height can be quickly and easily adjusted, so as to
The convenient storage for carrying out BOP, BOP is attached with pressure testing device, BOP movement.It is quick that BOP is switched into examination from storing state
Pressure condition, can quickly switch to storing state again after the completion of pressure testing.Equipment volume is reduced, the operating time is shortened, improved
Drilling efficiency, reduces drilling cost.
Brief description of the drawings
Fig. 1 is a kind of floating type well drilling BOP board migration device general illustrations of the utility model；
Fig. 2 is a kind of floating type well drilling BOP board migration device general front views of the utility model；
Fig. 3 is a kind of BOP schematic diagram of the floating type well drilling BOP board migration devices of the utility model with rack；
Fig. 4 is a kind of Fig. 2 of floating type well drilling BOP board migration devices U partial schematic diagrams of the utility model；
Fig. 5 is a kind of Fig. 2 of floating type well drilling BOP board migration devices V partial schematic diagrams of the utility model；
Fig. 6 is a kind of overall rearview of floating type well drilling BOP board migration devices of the utility model；
Fig. 7 is a kind of Fig. 6 of floating type well drilling BOP board migration devices X partial schematic diagrams of the utility model；
Fig. 8 is a kind of Fig. 6 of floating type well drilling BOP board migration devices T partial schematic diagrams of the utility model；
Fig. 9 is a kind of Fig. 6 of floating type well drilling BOP board migration devices Y partial schematic diagrams of the utility model；
Figure 10 is a kind of Fig. 2 of floating type well drilling BOP board migration devices A-A sectional views of the utility model；
Figure 11 is a kind of matrix schematic diagram of floating type well drilling BOP board migration devices of the utility model；
Figure 12 is a kind of Figure 11 of floating type well drilling BOP board migration devices B-B sectional views of the utility model；
Figure 13 is a kind of lowering or hoisting gear operating position schematic diagram of floating type well drilling BOP board migration devices of the utility model；
Figure 14 is a kind of lowering or hoisting gear off-position schematic diagram of floating type well drilling BOP board migration devices of the utility model；
Figure 15 is a kind of locking device operating position schematic diagram of floating type well drilling BOP board migration devices of the utility model；
Figure 16 is a kind of locking device off-position schematic diagram of floating type well drilling BOP board migration devices of the utility model；
Figure 17 is movement or the storing state schematic diagram of a kind of floating type well drilling BOP board migration devices of the utility model；
Figure 18 is a kind of jacking condition schematic diagram of floating type well drilling BOP board migration devices of the utility model；
Figure 19 is a kind of pressure testing view of floating type well drilling BOP board migration devices of the utility model；
Figure 20 is a kind of decentralization view of floating type well drilling BOP board migration devices of the utility model.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, is described further to the utility model.It should be appreciated that specific embodiment described herein is only to explain that this practicality is new
Type, is not used to limit the utility model.
Embodiment
As shown in Fig. 1 to Figure 20, the BOP board migration devices include matrix 1, lowering or hoisting gear 2, drive device 3, buffer unit 4,
Mobile platform 5, anchoring device 7, guide pipe 8, sliding roller means 9, Overthrow preventing device 10, locking device 11, pressure testing device 12,
Rack 6c, lowering or hoisting gear 2 is connected with matrix 1, and drive device 3 is connected with matrix 1, and buffer unit 4 is connected with matrix 1, mobile flat
Platform 5 is connected with matrix 1, and anchoring device 7 is connected with matrix 1, and guide pipe 8 is connected with matrix 1, and sliding roller means 9 connect with matrix 1
Connect, Overthrow preventing device 10 is connected with matrix 1, locking device 11 is connected with matrix 1, pressure testing device 12 is connected with matrix 1.
BOP6 includes lead 6a, BOP body 6b.
Rack 6c is fixedly connected with BOP6.
The driving matrix 1 of drive device 3 is moved along guide rail 9c, and Overthrow preventing device 10 can prevent BOP board migration devices from toppling, buffering
Device 4 enters row buffering to BOP board migration devices, prevents rigid collision, reaches behind assigned position, and anchoring device 7 fixes BOP movements dress
Put, prevent BOP board migration devices from producing undesirable motion.
Lowering or hoisting gear 2 includes gear 2a, and motor 2b, gear 2a is connected with motor 2b.
Locking device 11 includes locking fluid cylinder 11c, latch segment 11a, and locking fluid cylinder 11c one end is connected with latch segment 11a, locked
The tight fluid cylinder 11c other ends are connected with matrix 1, and locking fluid cylinder 11c stretches out, and are driven latch segment 11a to enter rack 6c and are pinned BOP6；Lock
Tight fluid cylinder 11c retracts, and drives latch segment 11a to leave rack 6c.
BOP board migration devices also include the first pull bar 14a, two the second pull bar 14b, the first pull bar 14a with mobile platform 5
Relative one side is connected with matrix 1, and two the second pull bar 14b are connected with matrix 1 respectively on relative both sides.
Lowering or hoisting gear 2 also includes translation fluid cylinder 2f, and translation fluid cylinder 2f one end is connected with motor 2b, translates the fluid cylinder 2f other ends
It is connected with matrix 1.
When needing lifting BOP6, the translation fluid cylinder 2f of lowering or hoisting gear 2 is stretched out, and gear 2a is engaged with rack 6c, now, locking
Fluid cylinder 11c is in retracted mode, drives latch segment 11a to leave rack 6c, motor 2b work, gear 2a driving racks 6c rise or
Decline to drive BOP6 to rise or fall.
BOP6 is risen or fallen after the completion of action, and the locking of locking device 11 fluid cylinder 11c can stretch out, and drive latch segment 11a
BOP6 is pinned into rack 6c, the translation fluid cylinder 2f of lowering or hoisting gear 2 can retract, and gear 2a leaves rack 6c.
Matrix 1 is c-type welded steel structure, including right box beam 1a, rear box beam 1b, left box beam 1c, Yi Jisi
Individual pedestal 1d, centre is left BOP 6 and stored and operating space, and BOP 6 can hang in cavity inside from the top of matrix 1 and realize peace
Dress and store, the c-type welded steel structure of matrix 1 is the endless full-closed structure in front end, can for marine riser 13 out of matrix 1 cavity
Reserved passageway is removed, mobile platform 5 is arranged on right box beam 1a and left box beam 1c front position, for making for operating personnel
With before marine riser 13 is removed out of matrix 1 cavity, mobile platform 5 need to be overturn.
Four groups of lowering or hoisting gears 2, are corresponded on the pedestal 1d being arranged in matrix 1 respectively, and lowering or hoisting gear 2 also includes support frame
2c, limiting plate 2d, fixed otic placode 2e and fixed pin shaft 2g；Lowering or hoisting gear 2 realizes that it is oriented to and spacing by limiting plate 2d,
Lowering or hoisting gear 2 can be slid by translation oil cylinder 2f, gear 2a and the operation of rack 6c engagement or disengagements be realized, to adapt to difference
BOP 6 operates working condition requirement.
Four groups of locking devices 11, are corresponded on the pedestal 1d of matrix 1 respectively, and locking device 11 also includes locking bearing pin
11b, locking device 11 can realize that latch segment 11a is operated with rack 6c engagement or disengagements, with suitable by locking fluid cylinder 11c slidings
Answer the different operating operating modes of BOP 6.
On rear box beam 1b in matrix 1, two guide pipes 8 are provided with, guide pipe is inserted with the lead 6c on BOP 6
In 8, BOP 6 can be limited and moved in the cavity of matrix 1, it is to avoid BOP 6 is collided or damaged with matrix 1.
The bottom surface of four groups of installing matrixes 1 of sliding roller means 9, wherein sliding roller means 9 include roller assembly 9a and
Guider 9b, four groups of sliding roller means 9 are placed on the guide rail 9c on hull, support BOP board migration devices.Rolling
Sub- assembly 9a and guide rail 9c composition surface is located at guide rail 9c top surface, and guider 9b quantity is four groups, per assembly guidance
Guide rail 9c both sides are separately positioned on, and guide rail 9c is clamped in centre, guide effect is played, the sideslip of matrix 1 is prevented.
Overthrow preventing device 10, for preventing because ship motion makes matrix 1 tumble.The quantity of Overthrow preventing device 10 is
6 groups, three groups of Overthrow preventing devices 10 are provided with by bolt respectively on right box beam 1a and left box beam 1c.
Drive device 3 is provided with matrix 1, the quantity and spacing of drive device 3 are adapted with guide rail 9c, and after being arranged on
On box beam 1b, drive device 3 includes motor 3a, gear 3b and rack 3c, and motor 3a is connected with rear end box beam 1b by bolt
Connect, motor 3a output end is provided with gear 3b, accordingly, be provided with hull with guide rail 9c directions identical rack 3c,
Rack 3c and hull bolt connection, realize that BOP board migration devices are moved by gear 3b and rack 3c relative motion.
Two groups of anchoring devices 7, including BOP board migration device grappling otic placodes 7a, hull grappling otic placode 7b, grappling bearing pin 7c, its
Middle BOP board migration devices grappling otic placode 7a is arranged on rear box beam 1b rear portion, and corresponding hull grappling otic placode 7b is fixed on hull
On, by grappling bearing pin 7c connection BOP board migration devices and hull, the operating mode such as towage, storage for BOP storage and transportation apparatus is prevented
The gear 3b or rack 3c caused by the inertia force brought by ship motion of matrix 1 is damaged.
Box beam 1b rear portions are provided with two buffer units 4 afterwards, it is to avoid with hull rigid collision occurs for BOP board migration devices,
Produce hull or BOP board migration devices are damaged.
When lowering or hoisting gear works, the power that wheel and rack engagement is produced causes matrix to deform, the first pull bar and two second
Pull bar strengthens MATRIX STIFFNESS, reduces deflection.
BOP board migration devices by locking device 11 and lowering or hoisting gear 2 complete BOP lockings, storage, movement, rising, pressure testing and
The feature operations such as decentralization.
1st, BOP is loaded
BOP 6 is hung in before BOP board migration devices by lifting appliance from outside, and BOP board migration devices rest in anchor station,
And be fixed on by grappling otic placode 7 by grappling bearing pin 7c on hull, prevent because the inertia force that ship motion is produced fills BOP movements
Put along guide rail 9c directions and slide, it is to avoid gear 3b or rack 3c impacts；Translation oil cylinder 2f driving lowering or hoisting gears 2 are retracted to lifting dress
Put off-position pin-and-hole 2c-1 in 2 off-positions, support frame 2c to overlap with fixed otic placode 2e pin-and-holes, insert fixed pin shaft
2g, lowering or hoisting gear 2 is fixed on off-position；The 11c actions of locking fluid cylinder make locking device 11 be retracted to the non-work of locking device 11
Make position, the latch segment 11a of locking device 11 locking pin-and-hole 11e aligns with pin-and-hole on pedestal 1d, insertion locking bearing pin 11b,
Fixed locking device 11；BOP 6 is hung in the inner chamber of matrix 1, guide pipe 8 on the lead 6a insertion matrixes 1 on BOP 6 is led
The center that BOP6 enters the inner chamber of matrix 1 is oriented to pipe 8, it is to avoid BOP 6 and matrix 1 collision caused by ship motion.When
BOP 6 is transferred to after correct position, pulls out locking bearing pin 11b, and locking fluid cylinder 11c task driven latch segment 11a and rack 6c is nibbled
Close, latch segment 11a locking pin-and-hole 11d is overlapped with pin-and-hole on pedestal 1d, insertion locking bearing pin 11b completes consolidating for locking device 11
It is fixed.Lifting appliance is released, BOP 6 weight is born by locking mechanism 11, complete BOP 6 and load.
2nd, BOP stores operating mode
The storage operating modes of BOP 6 are applied to drilling well and wait operating mode and towage comfortable property.
BOP board migration devices rest in anchor station, and are fixed on by grappling otic placode 7 by grappling bearing pin 7c on hull, rise
Falling unit 2 is in off-position, and locking device 11 is in operating position, and BOP 6 weight is all born by locking device 11.
3rd, BOP lifts operating mode
The lifting operating modes of BOP 6 are applied to pressure testing and the connection decentralization operating mode of marine riser 13.
The fixed pin shaft 2g of lowering or hoisting gear 2 is pulled out, support frame 2c and gear 2a are pushed to work by action translation oil cylinder 2f
Position, motor 2b drive gears 2a is engaged with rack 6c, by fixed pin shaft 2g insert support frame 2c operating position pin-and-hole 2c-2 and
In fixed otic placode 2e pin-and-holes, fixed lowering or hoisting gear 2, the weight of BOP 6 is born by lowering or hoisting gear 2, locking fluid cylinder 11c driving latch segments
11a departs from rack 6c, pulls out locking bearing pin 11b, and locking fluid cylinder 11c retracts, and latch segment 11a is retracted to off-position, locks
In bearing pin 11b insertion latch segments 11a pin-and-hole 11d and pedestal 1d pin-and-holes, fixed locking device 11.Motor 2b drive gear 2a,
Gear 2a drivings rack 6c realizes the raising and lowering functions of BOP 6.
4th, BOP pressure testings operating mode
BOP 6 needs to carry out pressure test before transferring, it is ensured that trouble free service.
The fixed pin shaft 2g of lowering or hoisting gear 2 is pulled out, support frame 2c and gear 2a are pushed to work by action translation oil cylinder 2f
Position, motor 2b drive gears 2a is engaged with rack 6c, by fixed pin shaft 2g insert support frame 2c operating position pin-and-hole 2c-2 and
In fixed otic placode 2e pin-and-holes, fixed lowering or hoisting gear 2, the weight of BOP 6 is born by lowering or hoisting gear 2, locking fluid cylinder 11c driving latch segments
11a departs from rack 6c, pulls out locking bearing pin 11b, and locking fluid cylinder 11c retracts, and latch segment 11a is retracted to off-position, locks
In bearing pin 11b insertion latch segments 11a pin-and-hole 11d and pedestal 1d pin-and-holes, fixed locking device 11.Motor 2b drive gear 2a,
Gear 2a drives rack 6c, and BOP 6 lifting position, the lower interfaces of BOP 6 and pressure testing are determined according to the height of pressure testing device 12
Device 12 carries out pressure testing after connecting, pressure testing is disengaged after terminating, motor 2b drive gear 2a, gear 2a driving racks 6c, BOP 6
It is raised to certain altitude and waits movement operating mode.
5th, BOP movements operating mode
In movement operating mode, BOP board migration devices need to be moved along guide rail 9c between the well head and moon pool of hull, and be completed
BOP decentralization and the playback work of BOP board migration devices.
, it is necessary to by BOP board migration devices from anchor station movement to pithead position, prepare under BOP6 after the pressure testings of BOP 6 terminate
Put.
The weight for taking down grappling bearing pin 7c, BOP 6 is born by gear 2a, and locking device 11 is retracted to off working state, horse
It is driving force that the masterpiece produced is engaged up to 3a drive gear 3b, gear 3b and rack 3c, and driving is arranged on the sliding of the bottom of matrix 1
Roller means 9 are moved, and sliding roller means 9 are moved on guide rail 9c, realize that BOP board migration devices are moved.Driven using rack-and-pinion
Dynamic device, can be avoided because of the BOP board migration devices sliding that ship motion is brought；Overthrow preventing device 10 is additionally provided with matrix 1, can be protected
Matrix 1 is demonstrate,proved under any operating mode, will not be tumbled because of the motion of hull；It is provided with the both sides of sliding roller assembly 9
Guider 9b, can prevent from wandering off during motion.
, it is necessary to connect marine riser 13 and transfer BOP6 after the movement of BOP board migration devices is to well center.
BOP board migration devices decentralization BOP6 method is as follows：
A, regulation BOP6 height connect marine riser 13 to be adapted to；
B, first marine riser 13 of connection；
C, upset mobile platform 5
D, lowering or hoisting gear 2 are retracted；
E, connect remaining marine riser；
F, decentralization BOP6；
G, anchoring device 7 cancel grappling, and BOP board migration devices are moved towards well direction is deviateed.
The method of BOP board migration devices playback is as follows：
Drive device 3 drives BOP board migration devices to be moved by roller slide device 9 along guide rail 9c towards well direction is deviateed
Until BOP storage locations, anchoring device 7 carries out grappling.
, it is necessary to which BOP6 is dismantled and is stored on BOP board migration devices from seabed after the completion of drilling well.Its process and movement and
BOP programs are transferred on the contrary, just repeating no more herein.
In a word, preferred embodiment of the present utility model is the foregoing is only, it is all not to limit the utility model
Any modifications, equivalent substitutions and improvements made within spirit of the present utility model and principle etc., should be included in this practicality
Within new protection domain.
Claims (5)
1. a kind of floating type well drilling BOP board migration devices, including
BOP；
Matrix；
Pressure testing device；
It is characterized in that：Also include
Lowering or hoisting gear；
Rack；
The lowering or hoisting gear is connected with described matrix；
The rack is connected with the BOP；
Retaining mechanism；
Lock fluid cylinder；
The retaining mechanism is connected with described matrix；
The retaining mechanism is connected with the locking fluid cylinder；
The locking fluid cylinder is connected with described matrix.
2. a kind of floating type well drilling BOP board migration devices according to claim 1, it is characterised in that：
Also include
First pull bar；
At least one second pull bar；
First pull bar is connected with described matrix；
Second pull bar is connected with described matrix.
3. a kind of floating type well drilling BOP board migration devices according to claim 1 or 2, it is characterised in that：
The lowering or hoisting gear includes
Gear；
Motor；
The gear is connected with the motor.
4. a kind of floating type well drilling BOP board migration devices according to claim 3, it is characterised in that：
The retaining mechanism is the latch segment being engaged with the rack.
5. a kind of floating type well drilling BOP board migration devices according to claim 4, it is characterised in that：
The lowering or hoisting gear also includes translation fluid cylinder；
The translation fluid cylinder is connected with the motor；
The translation fluid cylinder is connected with described matrix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720215327.XU CN206571453U (en) | 2017-03-07 | 2017-03-07 | A kind of floating type well drilling BOP board migration devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720215327.XU CN206571453U (en) | 2017-03-07 | 2017-03-07 | A kind of floating type well drilling BOP board migration devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206571453U true CN206571453U (en) | 2017-10-20 |
Family
ID=60056570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720215327.XU Active CN206571453U (en) | 2017-03-07 | 2017-03-07 | A kind of floating type well drilling BOP board migration devices |
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| Country | Link |
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| CN (1) | CN206571453U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703730A (en) * | 2017-03-07 | 2017-05-24 | 四川宏华石油设备有限公司 | Floating drilling BOP (blowout preventer) moving device |
| CN112079300A (en) * | 2020-10-15 | 2020-12-15 | 安阳市荣诚石油矿山机械有限公司 | A kind of BOP transfer device |
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2017
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703730A (en) * | 2017-03-07 | 2017-05-24 | 四川宏华石油设备有限公司 | Floating drilling BOP (blowout preventer) moving device |
| CN112079300A (en) * | 2020-10-15 | 2020-12-15 | 安阳市荣诚石油矿山机械有限公司 | A kind of BOP transfer device |
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