CN202953145U - Moving device of deep sea drilling platform BOP (Blow Out Preventer) - Google Patents

Moving device of deep sea drilling platform BOP (Blow Out Preventer) Download PDF

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Publication number
CN202953145U
CN202953145U CN 201220680794 CN201220680794U CN202953145U CN 202953145 U CN202953145 U CN 202953145U CN 201220680794 CN201220680794 CN 201220680794 CN 201220680794 U CN201220680794 U CN 201220680794U CN 202953145 U CN202953145 U CN 202953145U
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CN
China
Prior art keywords
matrix
bop
guide rail
deep sea
drilling platform
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN 201220680794
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Chinese (zh)
Inventor
吕岩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Honghua Petroleum Equipment Co Ltd
Original Assignee
Sichuan Honghua Petroleum Equipment Co Ltd
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Filing date
Publication date
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Priority to CN 201220680794 priority Critical patent/CN202953145U/en
Application granted granted Critical
Publication of CN202953145U publication Critical patent/CN202953145U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

The utility model discloses a moving device of a deep sea drilling platform BOP (Blow Out Preventer). The moving device comprises a guide rail arranged on a ship body, wherein a base body is arranged on the guide rail, a holding space capable of holding the BOP is arranged on the base body, the base body is capable of moving between the deck of the ship body and a borehole along the guide rail, a hoisting device capable of hoisting the BOP is arranged on the ship body, a pressure testing device is arranged on the base body and is connected with the base body through a pressure testing cylinder, the pressure testing device is capable of moving to a position coaxial with the holding space under the drive of the pressure testing cylinder, and the BOP is stored through the movable base body. Compared with the mode of storing the BOP by arranging a fixed BOP storage region on the deck in the prior art, the moving device is more flexible in a position of storing the BOP in operation processes such as drilling waiting and towing without participation of the BOP.

Description

A kind of deep sea drilling platform BOP board migration device
Technical field
The utility model relates to a kind of movement, storage device of offshore oil implement, particularly a kind of deep sea drilling platform BOP board migration device.
Background technology
When the deep-sea floating is bored prospecting borehole, BOP(is blowout preventer under water) be very crucial well blowout preventing well-control equipment, the agent structure of BOP is mainly to bear High Pressure, inner critical component is valve member, flashboard, connect by flange between parts, flange can bear the weight of whole BOP, is used for the operation of transferring of BOP.But because the miscellaneous part of BOP cannot bear larger external force; therefore generally; be set with the BOP framework on BOP; so that being transferred, BOP leads and protective effect; not only can support the whole weight of gas BOP, also can prevent the BOP body and because hull waves the motion of generation, itself and hull be bumped.BOP framework integral body is the open framed structure of surrounding, comprises the upright of frame of four vertical directions, is provided with the back-up block in order to the location on upright of frame, and back-up block is arranged on upright of frame, and along continuous straight runs extend out to the periphery of upright of frame.When BOP being transferred to the seawater, be connected with marine riser on BOP, and be used for connecting the LMRP of BOP and marine riser.Impact due to hull or platform general layout, bop and lmrp are arranged in moon pool two ends, and can only hang in pithead position from moon pool one end, and before blowout preventer work, usually need to store blowout preventer, the operation such as movement, pressure testing, be used for blowout preventer being sent to or moved apart pithead position, transfer or field-strip to complete.This just needs corresponding board migration device to assist these BOP of carrying to deliver to/move apart pithead position, completes transferring/field-strip.
Blowout preventer mainly comprises following three mode of operations: accumulating, movement and pressure testing, specific as follows:
Storing, is that blowout preventer unit is stored on drilling platform usually before installing; Existing way is divide special storage area or directly be stored in moon pool on drilling platform.
Pressure testing, be at deep sea drilling before blowout preventer unit is transferred, need to carry out pressure testing to blowout preventer unit, carry out last installation after pressure testing is complete, connect successively each parts of blowout preventer unit and standpipe.
Movement is in drilling process, need by transportation equipment with blowout preventer unit from the storage location to the pithead position, and transfer, install from well head; Existing way is to utilize guide rail and the dolly of moon pool side, after blowout preventer unit is moved to well head, dolly is removed, and the recycling loop wheel machine hangs in blowout preventer unit to well head.
In order to realize aforesaid operations, usually need a plurality of equipment that are separated from each other to be used in conjunction with, mainly there is following weak point in it:
1, to the sequence of operations step of the storage of BOP and framework thereof, movement, pressure testing, need to be matched by multiple devices and complete, relatively independent between each equipment, need take than large space when arranging, simultaneously, operating process is comparatively loaded down with trivial details.
When 2, by pulley and guide rail cooperation, blowout preventer unit being carried out movement, blowout preventer unit is easily because of the motion of hull with the water surface, along lead rail axis to the nature slippage occurs.
When 3, by pulley and guide rail cooperation, blowout preventer unit being carried out movement, blowout preventer unit easily because of the motion of hull with the water surface, is turned on one's side on guide rail.
The utility model content
The purpose of this utility model is to overcome existing above-mentioned deficiency in prior art, and a kind of little, BOP movement deep sea drilling platform BOP board migration device easily that takes up room is provided.
in order to realize above-mentioned utility model purpose, the utility model provides following technical scheme: a kind of deep sea drilling platform BOP board migration device, it is characterized in that: comprise the guide rail that is arranged on hull, be provided with matrix on described guide rail, be provided with the spatial accommodation that can hold BOP on described matrix, described matrix can move between the deck of hull and well along guide rail, also be provided with the lifting appliance that BOP can be sling on described hull, be provided with pressure testing device on described matrix, described pressure testing device is connected with matrix by the pressure testing oil cylinder, described pressure testing device can move to the position coaxial with spatial accommodation under the driving of pressure testing oil cylinder.
Preferably, on described matrix, supporting mechanism is set, described supporting mechanism comprises the support cushion cap that is arranged on matrix, be provided with the bearing surface that can hold up BOP on described support cushion cap, described support cushion cap is articulated in the top of matrix, be connected with support cylinder between described support cushion cap and matrix, described support cylinder can drive the support cushion cap and rotate in perpendicular.Adopt such structure, drive by support cylinder and support the position that cushion cap rotates the adjustment bearing surface, when BOP need to be held up by matrix, when temporary fixed, drive by support cylinder and support the cushion cap rotation, makes bearing surface contact with BOP, realize load-bearing and hold up BOP; When BOP need to pass matrix and transfer, drive by support cylinder and support the cushion cap rotation, make bearing surface leave BOP, can transfer BOP is accessible.
Need to prove, the BOP that herein contacts with bearing surface, also be used for the framework of encapsulation BOP, concrete, BOP is fixedly installed in framework, the arranged outside of framework is useful on the back-up block of the peripheral cushion cap of overlap joint, by the indirect joint of back-up block and framework, and the mode that replaces BOP directly to be connected with the support cushion cap.
Preferably, on described matrix, clamping device is set, described clamping device comprises the tapped bore that is arranged on matrix and the supporting rod that coordinates with tapped bore, and described supporting rod and screw consist of leading screw and nut mechanism.Adopt such structure, can BOP be clamped or unclamp by adjusting supporting rod on clamping device and the thrust between BOP, colliding with or damaging because of what BOP and hull relative motion caused to slow down.
Preferably, be provided with at least one group of supporting mechanism and at least one group of clamping device on described matrix, the described supporting mechanism of respectively organizing is arranged at respectively the relative both sides of BOP with each group clamping device.Adopt such structure, by the combined action of supporting mechanism and clamping device, BOP is firmly rested on matrix.
Preferably, described matrix bottom is provided with anti-tipping arm, and the sidepiece of described guide rail is provided with guide groove, and described anti-tipping arm contacts with described guiding groove face.Adopt such structure, coordinate with the inclined-plane of guide groove by anti-tipping arm, the drift angle between restriction matrix and deck in ship structure, the assurance matrix can not tumbled because of the motion of hull.
Preferably, the quantity of described guide rail is two, and described two guide rails are arranged at respectively the both sides of matrix, and described anti-tipping arm is buckled in the lateral surface of two guide rails.Adopt such structure, can further limit the drift angle between matrix and hull, guarantee that matrix can not topple because of the beat of hull.
Preferably, the bottom of described matrix is provided with roller assembly, and the faying face of described roller assembly and guide rail is positioned at the end face of guide rail.Adopt friction of rolling to substitute the mode of existing cliding friction, the friction drag of matrix when mobile is less, and reduces the demand to propulsion source.Need to prove, the reason that existing mode can't adopt roller assembly to match with guide rail is: when the BOP framework stores above deck, consideration for safety and stability, usually need the BOP frame hoisting from guide rail, therefore, if the form that adopts pulley guide rails to coordinate is difficult to guide rail is aimed at roller during to guide rail at the BOP frame hoisting, and also is difficult for making it fixing when the BOP framework is parked on hull.
Preferably, described matrix bottom is provided with track adjusting wheel, and the faying face of described track adjusting wheel and guide rail is positioned at the side of guide rail.By the side at guide rail, track adjusting wheel is set, can prevent that matrix from wandering off when mobile, optimum, the quantity of track adjusting wheel is two, and be separately positioned on the both sides of guide rail, track adjusting wheel and roller assembly together coat end face and the two sides of guide rail, further avoid matrix to be offset in moving process.
Preferably, also be provided with actuating device on described matrix, described actuating device comprises HM Hydraulic Motor, gear and tooth bar, described HM Hydraulic Motor is captiveed joint with matrix, be provided with gear on the mouth of described HM Hydraulic Motor, described tooth bar and guide rail are arranged on hull in the same way, and the wheel and rack on described HM Hydraulic Motor cooperatively interacts.Adopt such structure, by the engagement of rack-and-gear, prevented that matrix from because the nature slippage occurs in ship motion, having improved the reliability of equipment.And HM Hydraulic Motor also needs certain torque by static starting state to beginning to rotate, and has guaranteed that further matrix can be because of the slight swing slippage of hull.
Preferably, be fixedly connected with hydraulic pin on described matrix, be provided with pin-and-hole on described hull, described hydraulic pin can be along vertical movement, inserts or deviates from pin-and-hole.By hydraulic pin, matrix is fixed on hull, can as required matrix and hull be connected as a single entity, relatively move to prevent matrix and hull, global reliability is more excellent.
Compared with prior art, the beneficial effects of the utility model are as follows:
The first, the utility model stores BOP by transportable matrix, compare with the mode that needs in prior art fixing BOP storage area storage BOP is set on the deck, the position of the storage of BOP is more flexible, do not need in the operation process of BOP participation in drilling well wait and towage etc., can easily adjust its position on hull under storing state, be easy to marching into the arena and disposing of all the other devices, for having saved fixing floor area in the deck, and provide larger, design section more flexibly for the deck;
The second, all be on the plane of deck in ship structure in various operating modes due to matrix of the present utility model, when needs move, only needing application of force driving matrix to move along the guide rail direction gets final product, with need in prior art that first BOP on bit of storage, is vertically lifted by crane certain altitude from the deck, BOP is erected at the guide rail top, and grow distance, pull BOP to compare to high capacity by truss, operate more flexible, and simple in structure, with low cost.
Three, when needs carry out the BOP pressure testing, pressure testing device shifts out convenient and swift, in prior art, expends a large amount of manpowers and first pressure testing device is carried to from other places that BOP is other fixing, mode assembling is compared, reduce transportation equipment, and shortened consuming time, reduction cost of drilling.
Description of drawings
Fig. 1 is front view of the present utility model;
Fig. 2 is birds-eye view of the present utility model;
Fig. 3 is lateral plan of the present utility model;
Fig. 4 is the local enlarged diagram of A part in Fig. 3;
Fig. 5 is the front view of pressure testing device receiving state in the utility model;
Fig. 6 is the birds-eye view of Fig. 5;
Fig. 7 is the front view when in the utility model, pressure testing device stretches out pressure testing;
Fig. 8 is the birds-eye view of Fig. 7;
Fig. 9 is that structure of the present utility model is partly cutd open schematic diagram;
Figure 10 is the local enlarged diagram of B part in Fig. 9.
Mark in figure: hull-1; Guide rail-2; Matrix-3; Spatial accommodation-4; BOP-5; Pressure testing device-6; Pressure testing oil cylinder-7; Support cushion cap-8; Bearing surface-9; Support cylinder-10; Tapped bore-11; Supporting rod-12; HM Hydraulic Motor-13; Gear-14; Tooth bar-15; Hydraulic pin-16; Pin-and-hole-17; Roller assembly-18; Track adjusting wheel-19; Anti-tipping arm-20; Guide groove-21; Actuating device-22; Supporting mechanism-23; Clamping device-24.
The specific embodiment
Below in conjunction with test example and the specific embodiment, the utility model is described in further detail.But this should be interpreted as that the scope of the above-mentioned theme of the utility model only limits to following embodiment, all technology that realizes based on the utility model content all belong to scope of the present utility model.
as extremely shown in Figure 10 in Fig. 1, the utility model deep sea drilling platform BOP board migration device comprises the guide rail 2 that is arranged on hull 1, be provided with matrix 3 on guide rail 2, also be provided with actuating device 22 on matrix 3, ask for an interview in detail Fig. 3, Fig. 4, actuating device 22 comprises HM Hydraulic Motor 13, gear 14 and tooth bar 15, HM Hydraulic Motor 13 is captiveed joint with matrix 3, be provided with gear 14 on the mouth of HM Hydraulic Motor 13, tooth bar 15 is arranged on hull 1 in the same way with guide rail 2, gear 14 on HM Hydraulic Motor 13 cooperatively interacts with tooth bar 15, 14 tooth bar 15 mechanisms cooperatively interact as power by gear, band kinetoplast 3 relatively moves with hull 1, adopt such structure, in as engine installation, can also be by the friction force of HM Hydraulic Motor 13 self, be HM Hydraulic Motor 13 by static to the required torque of the starting state that begins to rotate, guaranteed that further matrix 3 can be because of the slight swing slippage of hull 1, improved the reliability of equipment.
ask for an interview in detail Fig. 5 to Fig. 8, in order to carry out easily pressure testing, be provided with pressure testing device 6 on matrix 3, pressure testing device 6 is connected with matrix 3 by pressure testing oil cylinder 7, pressure testing device 6 can move to the position coaxial with spatial accommodation 4 under the driving of pressure testing oil cylinder 7, also be provided with the lifting appliance that BOP5 can be sling on hull 1, lifting appliance is arranged on hull, not shown, when needs carry out the pressure testing operation, by the lifting appliance BOP5 that slings, again by pressure testing oil cylinder 7 with pressure testing device 6 move to matrix 3 on spatial accommodation 4 coaxial position, and the connection respective lines is carried out pressure testing.
In the present embodiment, matrix 3 welds, encloses by the mutual assembly unit of box beam the frame type structure that forms, be provided with the spatial accommodation 4 that can hold BOP5 on matrix 3, matrix 3 can move between the deck of hull 1 and well along guide rail 2, the effect of matrix 3 is similar to the car that carries for carrying, transportation BOP5, realizes storage and the movement of BOP5 by matrix 3.In all the other embodiments, matrix 3 integral body can also be the extrusion of " C " font cross-sectional plane or " door " font cross-sectional plane, the middle part form can accommodating BOP5 cavity, be the spatial accommodation 4 in the present embodiment, matrix 3 does not seal, forms the structure of front opening fully, reserves the passage that shifts out as pipeline.
See Fig. 3 for details, for store, during mobile BOP5, more flexible, stably support BOP5, be provided with one group of supporting mechanism 23 and one group of clamping device 24 on matrix 3, this group supporting mechanism 23 is arranged at the relative both sides of BOP5, this group clamping device 24 is arranged at the relative both sides of BOP5, and clamping device 24 and supporting mechanism 23 are arranged alternately in the adjacent both sides of BOP5, and the concrete structure of supporting mechanism 23 and clamping device 24 is as follows:
supporting mechanism 23 comprises the support cushion cap 8 that is arranged on matrix 3, support on cushion cap 8 and be provided with the bearing surface 9 that can hold up BOP5, support the top that cushion cap 8 is articulated in matrix 3, support between cushion cap 8 and matrix 3 and be connected with support cylinder 10, support cylinder 10 can drive support cushion cap 8 and rotate in perpendicular, drive by support cylinder 10 and support the position that cushion cap 8 rotates adjustment bearing surface 9, when BOP5 need to be held up by matrix 3, when temporary fixed, drive by support cylinder 10 and support cushion cap 8 rotations, make bearing surface 9 contact with BOP5, realize load-bearing, and picking-up BOP5, when BOP5 need to pass matrix 3 and transfer, drive by support cylinder 10 and support cushion caps 8 rotations, make bearing surface 9 leave BOP5, can transfer BOP5 is accessible.In the present embodiment, be used for being in contact with one another with bearing surface 9, be the BOP5 body, in all the other embodiments, BOP5 also is fixedly installed in framework, and is useful on the back-up block of the peripheral cushion cap of overlap joint in the arranged outside of this framework, indirect joint by back-up block and framework, the mode that replaces BOP5 directly to be connected with support cushion cap 8 all realizes the effect of carrying BOP5, just repeats no more at this.
Clamping device 24 comprises the tapped bore 11 that is arranged on matrix 3 and the supporting rod 12 that coordinates with tapped bore 11, supporting rod 12 consists of leading screw and nut mechanism with screw, be reserved with the operational space of transferring and taking out for BOP5 between clamping device 24 and BOP5, adopt such structure, can be by the supporting rod 12 on adjustment clamping device 24 and the thrust between BOP5, BOP5 clamped or unclamp, colliding with or damaging because of what BOP5 and hull 1 relative motion caused to slow down.In order to improve load-carrying capacity, supporting rod 12 all adopts Acme thread with tapped bore 11.
see Fig. 4 for details, in order to reduce the friction drag of matrix 3 when mobile, the bottom of matrix 3 is provided with roller assembly 18, the faying face of roller assembly 18 and guide rail 2 is positioned at the end face of guide rail 2, further, in order to prevent that matrix 3 from wandering off when mobile, the bottom of matrix 3 is provided with track adjusting wheel 19, the faying face of track adjusting wheel 19 and guide rail 2 is positioned at the side of guide rail 2, the quantity of track adjusting wheel 19 is two, and be separately positioned on the both sides of guide rail 2, track adjusting wheel 19 together coats end face and the two sides of guide rail 2 with roller assembly 18, further avoid matrix 3 to be offset in moving process.
See Fig. 1, Fig. 2 for details, in order to avoid matrix 3 slippages under storing state, be fixedly connected with hydraulic pin 16 in the bottom of matrix 3, be provided with pin-and-hole 17 on hull 1, hydraulic pin 16 can be along vertical movement, inserts or deviates from pin-and-hole 17.By hydraulic pin 16, matrix 3 is fixed on hull 1, can as required matrix 3 and hull 1 be connected as a single entity, relatively move to prevent matrix 3 and hull 1, prevent that gear 14, tooth bar 15 from being impacted and damaging, global reliability is more excellent.
see Fig. 9 for details, Figure 10, be provided with two anti-tipping arms 20 in the bottom of matrix 3, the sidepiece of guide rail 2 is provided with guide groove 21, anti-tipping arm 20 contacts with 21 of guide grooves, wherein, the quantity of guide rail 2 is two, two guide rails 2 are arranged at respectively the both sides of matrix 3, two anti-tipping arms 20 are buckled in the lateral surface of two guide rails 2, anti-tipping arm 20 can be when matrix 3 topples, be when between matrix 3 and hull 1 deck, angle is excessive, coordinate with the ramp of guide groove 21 by anti-tipping arm 20, drift angle between restriction matrix 3 and hull 1 deck, assurance matrix 3 can not tumbled because of the motion of hull 1.
The method of loading BOP is as follows:
A, drive by support cylinder 10 and support cushion caps 8 and stretch out, make and support cushion cap 8 and can contact with BOP5;
B, slowly transfer BOP5 by lifting appliance, contact with BOP5 until support cushion cap 8, to carry the weight of BOP5;
C, adjust clamping device 24, the end of supporting rod 12 is pressed on BOP5, realize location and fastening.
The pressure-measuring method of BOP is as follows:
The supporting rod 12 of a, adjustment clamping device 24 makes the end of supporting rod 12 move apart BOP5;
B, by hanging device with the BOP5 certain altitude of slinging;
C, pressure testing device 6 is moved to the position coaxial with spatial accommodation 4, and connect the pressure testing pipeline, complete the pressure testing operation;
D, dismounting pressure testing pipeline, and pressure testing device 6 is shifted out playback.

Claims (10)

1. deep sea drilling platform BOP board migration device, it is characterized in that: comprise the guide rail that is arranged on hull, be provided with matrix on described guide rail, be provided with the spatial accommodation that can hold BOP on described matrix, described matrix can move between the deck of hull and well along guide rail, also be provided with the lifting appliance that BOP can be sling on described hull, be provided with pressure testing device on described matrix, described pressure testing device is connected with matrix by the pressure testing oil cylinder, and described pressure testing device can move to the position coaxial with spatial accommodation under the driving of pressure testing oil cylinder.
2. deep sea drilling platform BOP board migration device according to claim 1, it is characterized in that: on described matrix, supporting mechanism is set, described supporting mechanism comprises the support cushion cap that is arranged on matrix, be provided with the bearing surface that can hold up BOP on described support cushion cap, described support cushion cap is articulated in the top of matrix, be connected with support cylinder between described support cushion cap and matrix, described support cylinder can drive the support cushion cap and rotate in perpendicular.
3. deep sea drilling platform BOP board migration device according to claim 2, it is characterized in that: on described matrix, clamping device is set, described clamping device comprises the tapped bore that is arranged on matrix and the supporting rod that coordinates with tapped bore, and described supporting rod and screw consist of leading screw and nut mechanism.
4. deep sea drilling platform BOP board migration device according to claim 3, it is characterized in that: be provided with at least one group of supporting mechanism and at least one group of clamping device on described matrix, the described supporting mechanism of respectively organizing is arranged at respectively the relative both sides of BOP with each group clamping device.
5. arbitrary described deep sea drilling platform BOP board migration device according to claim 1 to 4, it is characterized in that: also be provided with actuating device on described matrix, described actuating device comprises HM Hydraulic Motor, gear and tooth bar, described HM Hydraulic Motor is captiveed joint with matrix, be provided with gear on the mouth of described HM Hydraulic Motor, described tooth bar and guide rail are arranged on hull in the same way, and the wheel and rack on described HM Hydraulic Motor cooperatively interacts.
6. deep sea drilling platform BOP board migration device according to claim 5 is characterized in that: be fixedly connected with hydraulic pin on described matrix, be provided with pin-and-hole on described hull, described hydraulic pin can be along vertical movement, inserts or deviates from pin-and-hole.
7. deep sea drilling platform BOP board migration device according to claim 5, it is characterized in that: the bottom of described matrix is provided with roller assembly, and the faying face of described roller assembly and guide rail is positioned at the end face of guide rail.
8. deep sea drilling platform BOP board migration device according to claim 7 is characterized in that: described matrix bottom is provided with track adjusting wheel, and the faying face of described track adjusting wheel and guide rail is positioned at the side of guide rail.
9. deep sea drilling platform BOP board migration device according to claim 5 is characterized in that: described matrix bottom is provided with anti-tipping arm, and the sidepiece of described guide rail is provided with guide groove, and described anti-tipping arm contacts with described guiding groove face.
10. deep sea drilling platform BOP board migration device according to claim 9, it is characterized in that: the quantity of described guide rail is two, and described two guide rails are arranged at respectively the both sides of matrix, and described anti-tipping arm is buckled in the lateral surface of two guide rails.
CN 201220680794 2012-12-11 2012-12-11 Moving device of deep sea drilling platform BOP (Blow Out Preventer) Withdrawn - After Issue CN202953145U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220680794 CN202953145U (en) 2012-12-11 2012-12-11 Moving device of deep sea drilling platform BOP (Blow Out Preventer)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220680794 CN202953145U (en) 2012-12-11 2012-12-11 Moving device of deep sea drilling platform BOP (Blow Out Preventer)

Publications (1)

Publication Number Publication Date
CN202953145U true CN202953145U (en) 2013-05-29

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102963508A (en) * 2012-12-11 2013-03-13 四川宏华石油设备有限公司 Transfer device of deepwater drill platform BOP (blowout preventer)
CN105041249A (en) * 2015-08-27 2015-11-11 四川宏华石油设备有限公司 Floating well drilling SSBOP shifting and transporting device
CN106552688A (en) * 2016-10-17 2017-04-05 浙江海洋大学 A kind of deep-sea ore in sand form collecting and separating device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102963508A (en) * 2012-12-11 2013-03-13 四川宏华石油设备有限公司 Transfer device of deepwater drill platform BOP (blowout preventer)
CN102963508B (en) * 2012-12-11 2015-01-07 四川宏华石油设备有限公司 Transfer device of deepwater drill platform BOP (blowout preventer)
CN105041249A (en) * 2015-08-27 2015-11-11 四川宏华石油设备有限公司 Floating well drilling SSBOP shifting and transporting device
CN106552688A (en) * 2016-10-17 2017-04-05 浙江海洋大学 A kind of deep-sea ore in sand form collecting and separating device
CN106552688B (en) * 2016-10-17 2018-05-22 浙江海洋大学 A kind of deep-sea ore in sand form collecting and separating device

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