CN203769757U - Electrically-driven underwater emergency safety control system - Google Patents
Electrically-driven underwater emergency safety control system Download PDFInfo
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- CN203769757U CN203769757U CN201420171164.6U CN201420171164U CN203769757U CN 203769757 U CN203769757 U CN 203769757U CN 201420171164 U CN201420171164 U CN 201420171164U CN 203769757 U CN203769757 U CN 203769757U
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- control system
- safety control
- emergency safety
- underwater emergency
- electricity
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Abstract
The utility model relates to an electrically-driven underwater emergency safety control system. The electrically-driven underwater emergency safety control system is characterized by comprising a trigger device, an electric control device, a power device, a plurality of blowout preventer executive devices, a plurality of electric pump devices and a liquid storage device, the electric control device, the power device and the electric pump devices are placed in a sealed shell filled with insulating liquid, and the blowout preventer executive devices and the liquid storage device are arranged outside the sealed shell. The structure of the electrically-driven underwater emergency safety control system is more compact, purchase cost is saved, and the space occupied rate is reduced. The electrically-driven underwater emergency safety control system is located near a seabed well mouth and can guarantee safety of equipment and personnel, protect the environment, and reduce losses to the maximum degree when blowout accidents occur, and a marine drilling platform well control system cannot reliably shut in a well in time. The electrically-driven underwater emergency safety control system can be widely applied to the fields of sea scientific investigation and the like.
Description
Technical field
The utility model relates to a kind of emergent safety control system, particularly about a kind of electricity, drives underwater emergency safety control system.
Background technology
Underwater emergency safety control system is a kind of Beck-up Control System of marine drilling platform well control system disposition in marine petroleum exploitation process.When this system can happen suddenly in marine drilling the emergencies such as blowout and marine drilling platform well control thrashing; by pre-position under water the hydraulic fluid in accumulator discharge, promote the executing agencies such as preventer and complete shut-in well operation, guarantee equipment and personnel's safety; protection of the environment, reduces the loss.
Existing underwater emergency safety control system is generally equipped with the traditional accumulator that relies on Compressed Gas energy storage.Increase gradually along with the marine drilling depth of water, the hydrostatic pressing that underwater emergency safety control system bears also increases thereupon, therefore the energy that accumulator Compressed Gas stores greatly will be for overcoming ever-increasing hydrostatic pressing, thereby cause the liquid measure of effective hydraulic fluid that accumulator discharges to reduce along with the increase of the depth of water.Therefore, the marine drilling depth of water is darker, realizes the required accumulator quantity of identical shut-in well operating function just more, and increasing of accumulator quantity causes purchase cost to increase, space hold rate increases, and has limited to a certain extent the application under deep water operating mode of underwater emergency safety control system.
Summary of the invention
For the problems referred to above, the purpose of this utility model is to provide a kind of electricity cost-saving and that meet the emergent shut-in well demand of various deep water and drives underwater emergency safety control system.
For achieving the above object, the utility model is taked following technical scheme: a kind of electricity drives underwater emergency safety control system, it is characterized in that: it comprises a flip flop equipment, an electric control gear, power set, some preventer actuating units, some electrodynamic pump devices and a device for storing liquid, and described electric control gear, described power set and described electrodynamic pump device are placed in the closed shell that inside is full of dielectric, and described preventer actuating unit and described device for storing liquid are arranged on outside described closed shell; Described flip flop equipment is fixed on the sidewall of described closed shell, and it is outside that its probe is positioned at described closed shell, and described probe connects marine drilling platform well control system by hydraulic line; Described electric control gear connects respectively described flip flop equipment and described power set by holding wire; Described in each, preventer actuating unit comprises two symmetrically arranged flashboard bodies, and respectively offers a semi-circular recesses in the relative side of flashboard body described in two, is provided with a drilling rod in the cylindrical space forming between flashboard body described in two; In a described two flashboard bodies side in opposite directions, be respectively provided with a fluid cylinder, described in two, the piston rod of fluid cylinder is connected with flashboard body described in two respectively, and the chamber that is positioned at piston rod one side in described fluid cylinder is for opening chamber, and the chamber of opposite side is for closing chamber; Described in each, electrodynamic pump device comprises an electronic two-position three-way valve, a hydraulic pump, a motor, a pressure sensor and a flow meter; The A mouth of described electronic two-position three-way valve is communicated with respectively the unlatching chamber of fluid cylinder described in corresponding with described electrodynamic pump device two by hydraulic line, T mouth is communicated with the seawater outside described closed shell by hydraulic line, P mouth is divided into two branch roads: a branch road is communicated with described device for storing liquid by hydraulic line, and another branch road is communicated with the entrance of described hydraulic pump by hydraulic line; On the hydraulic line of described hydraulic pump outlet, be provided with an overflow valve, the overfall of described overflow valve is communicated with described device for storing liquid by oil return pipeline, and the outlet of described overflow valve connects the chamber of closing of described pressure sensor, described flow meter and fluid cylinder described in corresponding with described electrodynamic pump device two successively by hydraulic line; Described motor connects described hydraulic pump, and described electronic two-position three-way valve is connected described power set by power cable respectively with described motor, and described pressure sensor is connected described electric control gear by holding wire respectively with described flow meter.
Described hydraulic pump is unidirectional constant displacement pump, and described device for storing liquid inside has the liquid reserve tank of some storage hydraulic fluids.
Described motor is connected described hydraulic pump with one of chain by shaft coupling.
Described flip flop equipment adopts pressure sensor.
Described electric control gear adopts microprocessor.
Described power set adopt high-energy battery.
The utility model is owing to taking above technical scheme, it has the following advantages: 1, the utility model adopts the electric energy that electrodynamic pump device directly stores power set, be converted into the required pressure energy of preventer actuating unit, adopt this kind of mode to save the link of gas compression energy storage in traditional accumulator, energy conversion efficiency is improved.Owing to needn't adopting in a large number traditional accumulator, make the utility model structure compacter, save purchase cost, reduce space hold rate.2, the required hydraulic fluid of preventer actuating unit of the present utility model does not need traditional accumulator to provide, and after preventer actuating unit cuts out completely, close chamber and no longer continue receiving liquid hydraulic fluid, unnecessary hydraulic fluid can enter in device for storing liquid by overfall and the oil return pipeline of overflow valve.Adopt this kind of mode to reuse and open intraluminal fluid hydraulic fluid, and reduce the use amount of the hydraulic fluid storing in device for storing liquid.The utility model can be widely used in the fields such as ocean scientific investigation.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model
Fig. 2 is the structural representation of the utility model preventer actuating unit and electrodynamic pump device
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in Figure 1, the utility model comprises a flip flop equipment 1, an electric control gear 2, power set 3, some preventer actuating units 4, some electrodynamic pump devices 5 and a device for storing liquid 6, and electric control gear 2, power set 3 and electrodynamic pump device 5 are placed in the closed shell 7 that inside is full of dielectric, and 6 of preventer actuating unit 4 and device for storing liquid are arranged on outside closed shell 7.Flip flop equipment 1 is fixed on the sidewall of closed shell 7, and its probe is positioned at closed shell 7 outsides, and this probe connects marine drilling platform well control system (not shown) by hydraulic line 8.Electric control gear 2 connects respectively flip flop equipment 1 and power set 3 by holding wire 9.
In above-described embodiment, flip flop equipment 1 can adopts pressure sensor, and electric control gear 2 can adopt microprocessor, and power set 3 can adopt high-energy battery, and device for storing liquid 6 inside have the liquid reserve tank of some storage hydraulic fluids.
As shown in Figure 2, each preventer actuating unit 4 comprises two symmetrically arranged flashboard bodies 41, and all offers a semi-circular recesses in the relative side of two flashboard bodies 41, in the cylindrical space forming, is provided with a drilling rod 42 between two flashboard bodies 41.The piston rod that is provided with fluid cylinder 43, two fluid cylinders 43 in two flashboard bodies 41 side is in opposite directions connected with two flashboard bodies 41 respectively, and the chamber that is positioned at piston rod one side in fluid cylinder 43 is for opening chamber 431, and the chamber of opposite side is for closing chamber 432.
Each electrodynamic pump device 5 comprises an electronic two-position three-way valve 51, a hydraulic pump 52, a motor 53, a pressure sensor 54 and a flow meter 55.Wherein, the A mouth of electronic two-position three-way valve 51 is communicated with respectively the unlatching chamber 431 of two fluid cylinders 43 of the preventer actuating unit 4 corresponding with this electrodynamic pump device 5 by hydraulic line 8, the seawater that T mouth is communicated with outside closed shell 7 by hydraulic line 8, P mouth is divided into two branch roads: a branch road is communicated with device for storing liquid 6 by hydraulic line 8, and another branch road is communicated with the entrance of hydraulic pump 52 by hydraulic line 8.On the hydraulic line 8 of hydraulic pump 52 outlets, be provided with an overflow valve 56, the overfall of overflow valve 56 is communicated with device for storing liquid 6 by oil return pipeline 11, two fluid cylinders 43 of the outlet of overflow valve 56 by hydraulic line 8 successively Bonding pressure sensor 54, flow meter 55 and the preventer actuating unit 4 corresponding with this electrodynamic pump device 5 close chamber 432.Motor 53 connecting fluid press pumps 52, and provide power for hydraulic pump 52 turns round.Electronic two-position three-way valve 51 and motor 53 be respectively by power cable 10 connecting power devices 3, and it is not shown that pressure sensor 54 and flow meter 55 are connected electric control gear 2(by holding wire 9 respectively).
In above-described embodiment, hydraulic pump 52 is unidirectional constant displacement pump.Motor 53 is by shaft coupling or chain connecting fluid press pump 52.
In above-described embodiment, as shown in Figure 1, all hydraulic line 8 and oil return pipelines 11 that are connected to closed shell 7 outsides are all through to closed shell 7 outsides by the hydraulic pressure crossing cabin joint 12 being arranged on closed shell 7.
During the utility model work:
1) probe of flip flop equipment 1 receives the hydraulic pressure triggering signal that marine drilling platform well control system is sent, and flip flop equipment 1 changes hydraulic pressure triggering signal into the signal of telecommunication and sends electric control gear 2 to;
2) signal of telecommunication from flip flop equipment 1 of 2 pairs of receptions of electric control gear judges, and according to its built-in trigger condition logical relation, judge whether to meet and close well head trigger condition, if meet trigger condition, by holding wire 9, to power set 3, send and close drilling well-head instruction;
3) power set 3 are electronic two-position three-way valve 51 and motor 53 power supplies according to the instruction receiving;
4) motor 53 is mechanical energy by electric energy conversion, and sends hydraulic pump 52 to by shaft coupling or chain, the hydraulic energy needing while being converted into hydraulic pump 52 running, and hydraulic pump 52 is opened; After electronic two-position three-way valve 51 energisings, its A mouth is communicated with P mouth, and the hydraulic fluid of opening in chamber 431 is pumped to hydraulic pump 52 by electronic two-position three-way valve 51, and the hydraulic fluid in device for storing liquid 6 is also pumped to hydraulic pump 52 simultaneously simultaneously;
5) hydraulic fluid that is pumped to hydraulic pump 52 flow through successively enter fluid cylinder 43 after overflow valve 56, pressure sensor 54 and flow meter 55 close chamber 432; Closing the interior hydraulic fluid in chamber 432 increases gradually, and then promotes piston rod and coupled flashboard Ti41Xiang center is moved, until two flashboard bodies 41 are held drilling rod 42 tightly, subsequent operation is shunt in a well by carrying out shut-in well operating means;
6), after preventer actuating unit 4 cuts out completely, close chamber 432 and no longer continue receiving liquid hydraulic fluid.The outlet pressure of hydraulic pump 52 improves rapidly, and when higher than overflow valve 56 setting pressure, unnecessary hydraulic fluid can enter in device for storing liquid 6 by overfall and the oil return pipeline 11 of overflow valve 56.Simultaneously, pressure sensor 54 and flow meter 55 are by the pressure versus flow signal of the electrodynamic pump device 5 gathering, and feed back to electric control gear 2 by holding wire 9, electric control gear 2 determines whether and cuts out preventer actuating unit 4 completely by contrast, if close preventer actuating unit 4 completely, electric control gear 2 sends the control command stopping as electronic two-position three-way valve 51 and motor 53 power supplies to power set 3, and then closes electronic two-position three-way valve 51 and motor 53.
The various embodiments described above are only for illustrating the utility model; wherein the structure of each parts, connected mode and manufacture craft etc. all can change to some extent; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement, all should not get rid of outside protection domain of the present utility model.
Claims (10)
1. an electricity drives underwater emergency safety control system, it is characterized in that: it comprises a flip flop equipment, an electric control gear, power set, some preventer actuating units, some electrodynamic pump devices and a device for storing liquid, and described electric control gear, described power set and described electrodynamic pump device are placed in the closed shell that inside is full of dielectric, and described preventer actuating unit and described device for storing liquid are arranged on outside described closed shell; Described flip flop equipment is fixed on the sidewall of described closed shell, and it is outside that its probe is positioned at described closed shell, and described probe connects marine drilling platform well control system by hydraulic line; Described electric control gear connects respectively described flip flop equipment and described power set by holding wire;
Described in each, preventer actuating unit comprises two symmetrically arranged flashboard bodies, and respectively offers a semi-circular recesses in the relative side of flashboard body described in two, is provided with a drilling rod in the cylindrical space forming between flashboard body described in two; In a described two flashboard bodies side in opposite directions, be respectively provided with a fluid cylinder, described in two, the piston rod of fluid cylinder is connected with flashboard body described in two respectively, and the chamber that is positioned at piston rod one side in described fluid cylinder is for opening chamber, and the chamber of opposite side is for closing chamber;
Described in each, electrodynamic pump device comprises an electronic two-position three-way valve, a hydraulic pump, a motor, a pressure sensor and a flow meter; The A mouth of described electronic two-position three-way valve is communicated with respectively the unlatching chamber of fluid cylinder described in corresponding with described electrodynamic pump device two by hydraulic line, T mouth is communicated with the seawater outside described closed shell by hydraulic line, P mouth is divided into two branch roads: a branch road is communicated with described device for storing liquid by hydraulic line, and another branch road is communicated with the entrance of described hydraulic pump by hydraulic line; On the hydraulic line of described hydraulic pump outlet, be provided with an overflow valve, the overfall of described overflow valve is communicated with described device for storing liquid by oil return pipeline, and the outlet of described overflow valve connects the chamber of closing of described pressure sensor, described flow meter and fluid cylinder described in corresponding with described electrodynamic pump device two successively by hydraulic line; Described motor connects described hydraulic pump, and described electronic two-position three-way valve is connected described power set by power cable respectively with described motor, and described pressure sensor is connected described electric control gear by holding wire respectively with described flow meter.
2. electricity as claimed in claim 1 drives underwater emergency safety control system, it is characterized in that: described hydraulic pump is unidirectional constant displacement pump, and described device for storing liquid inside has the liquid reserve tank of some storage hydraulic fluids.
3. electricity as claimed in claim 1 drives underwater emergency safety control system, it is characterized in that: described motor is connected described hydraulic pump with one of chain by shaft coupling.
4. electricity as claimed in claim 2 drives underwater emergency safety control system, it is characterized in that: described motor is connected described hydraulic pump with one of chain by shaft coupling.
5. electricity as claimed in claim 1 or 2 or 3 or 4 drives underwater emergency safety control system, it is characterized in that: described flip flop equipment adopts pressure sensor.
6. electricity as claimed in claim 1 or 2 or 3 or 4 drives underwater emergency safety control system, it is characterized in that: described electric control gear adopts microprocessor.
7. electricity as claimed in claim 5 drives underwater emergency safety control system, it is characterized in that: described power set adopt high-energy battery.
8. the electricity as described in claim 1 or 2 or 3 or 4 or 7 drives underwater emergency safety control system, it is characterized in that: described power set adopt high-energy battery.
9. electricity as claimed in claim 5 drives underwater emergency safety control system, it is characterized in that: described power set adopt high-energy battery.
10. electricity as claimed in claim 6 drives underwater emergency safety control system, it is characterized in that: described power set adopt high-energy battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420171164.6U CN203769757U (en) | 2014-04-10 | 2014-04-10 | Electrically-driven underwater emergency safety control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420171164.6U CN203769757U (en) | 2014-04-10 | 2014-04-10 | Electrically-driven underwater emergency safety control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203769757U true CN203769757U (en) | 2014-08-13 |
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ID=51286957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420171164.6U Withdrawn - After Issue CN203769757U (en) | 2014-04-10 | 2014-04-10 | Electrically-driven underwater emergency safety control system |
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| CN (1) | CN203769757U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953326A (en) * | 2014-04-10 | 2014-07-30 | 中国海洋石油总公司 | Electrically driven underwater emergent safety control system |
| CN105756600A (en) * | 2016-05-11 | 2016-07-13 | 中国石油大学(华东) | Deep well blowout emergency well-control equipment and operation method thereof |
| CN113363931A (en) * | 2021-08-09 | 2021-09-07 | 江西国泰集团股份有限公司 | Explosion circuit emergency protection system |
-
2014
- 2014-04-10 CN CN201420171164.6U patent/CN203769757U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953326A (en) * | 2014-04-10 | 2014-07-30 | 中国海洋石油总公司 | Electrically driven underwater emergent safety control system |
| CN103953326B (en) * | 2014-04-10 | 2016-08-17 | 中国海洋石油总公司 | A kind of electricity drives underwater emergency safety control system |
| CN105756600A (en) * | 2016-05-11 | 2016-07-13 | 中国石油大学(华东) | Deep well blowout emergency well-control equipment and operation method thereof |
| CN113363931A (en) * | 2021-08-09 | 2021-09-07 | 江西国泰集团股份有限公司 | Explosion circuit emergency protection system |
| CN113363931B (en) * | 2021-08-09 | 2021-11-30 | 江西国泰七零九科技有限公司 | Explosion circuit emergency protection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140813 Effective date of abandoning: 20160817 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |