CN208918864U - A kind of double Electric Submersible Pump Systems - Google Patents
A kind of double Electric Submersible Pump Systems Download PDFInfo
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- CN208918864U CN208918864U CN201821381363.4U CN201821381363U CN208918864U CN 208918864 U CN208918864 U CN 208918864U CN 201821381363 U CN201821381363 U CN 201821381363U CN 208918864 U CN208918864 U CN 208918864U
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- submersible pump
- oil
- double electric
- diverter valve
- pump apparatus
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Abstract
The utility model provides a kind of double Electric Submersible Pump Systems, double Electric Submersible Pump Systems are used in the oil well of salt water kill-job, it include: upper submersible pump apparatus, lower submersible pump apparatus and hermetically sealed can, the upper submersible pump apparatus is placed in the hermetically sealed can, and the lower submersible pump apparatus is connected to the hermetically sealed can.Double Electric Submersible Pump Systems provided by the utility model, which are realized, seals gug liquid that also the production string tripping in oil well with double submersible pump apparatus can be passed the imperial examinations at the provincial level without anti-pollution valve and insertion, two sets of submersible pump apparatus are enable to work independently, it can be with a preparation and a use, while the service life for extending production string, completion sequence can be reduced, to improve well completion work efficiency, oil mining cost is reduced.
Description
Technical field
The utility model relates to machinery equipment field, in particular to a kind of double Electric Submersible Pump Systems.
Background technique
In the prior art, to meet marine huge discharge oilfield exploitation, usually by double canned submersible electric pump series connection, and close
Suspension insertion sealing in sealed cans seals interspersed anti-pollution valve using insertion, will extract well liquid in production string tripping in oil well, this
It operates and needs to consume a large amount of manpower and material resources and duration, in the mining operations of conventional oil well, the suspension insertion sealing on hermetically sealed can
It is unfavorable for improving well completion work efficiency, and double canned system costs are high, influence oil mining cost.
Utility model content
The main purpose of the utility model is to provide a kind of double Electric Submersible Pump Systems, it is intended to solve to give birth to using insertion sealing
The completion mode for producing pipe string insertion anti-pollution valve needs to consume a large amount of manpower and material resources and duration, influences well completion work efficiency, no
The problem of conducive to oil mining cost is reduced.
To achieve the above object, the utility model proposes a kind of double Electric Submersible Pump Systems be used for the oil well of salt water kill-job
In, double Electric Submersible Pump Systems include: upper submersible pump apparatus, lower submersible pump apparatus and hermetically sealed can, the upper latent oil electricity
Pump installation is placed in the hermetically sealed can, and the lower submersible pump apparatus is connected to the hermetically sealed can.
Preferably, the upper submersible pump apparatus includes upper oil-immersed pump, upper protector and upper submersible motor, the upper latent oil
Pump, upper protector and upper submersible motor are sequentially connected from top to bottom.
Preferably, the upper submersible pump apparatus further includes upper automatic diverter valve, and the upper automatic diverter valve is connected to institute
One end far from the upper protector of oil-immersed pump is stated, the upper automatic diverter valve is connected to the upper oil-immersed pump.
Preferably, when the sealing pressure inside the tank is greater than the oily overpressure, the upper automatic diverter valve will be described close
Sealed cans are connected to ground installation.
Preferably, the lower submersible pump apparatus includes lower oil-immersed pump, lower protector and lower submersible motor, the lower latent oil
Pump, lower protector and lower submersible motor are sequentially connected under.
Preferably, the lower submersible pump apparatus further includes lower automatic diverter valve, and the lower automatic diverter valve is connected to institute
One end far from the lower protector of lower oil-immersed pump is stated, the lower automatic diverter valve is connected to the lower oil-immersed pump, and described
Lower automatic diverter valve is connected to the hermetically sealed can.
Preferably, double Electric Submersible Pump Systems further include oil pipe, and the oil pipe is connected to the upper automatic diverter valve and ground
Face device.
Preferably, double Electric Submersible Pump Systems further include pressure sensor, the pressure sensor as in oil well and
It is electrically connected with ground installation.
Technical solutions of the utility model, which pass through, injects salt water kill-job into the oil well of conventional pressure controllable, is utilized with substituting
The kill-job mode of oil reservoir anti-pollution valve and drilling fluid, then tripping in has the production string of two sets of submersible pump apparatus into oil well,
Wherein upper submersible electric pump is placed in hermetically sealed can, and lower submersible pump apparatus is connected to hermetically sealed can；It realizes without anti-pollution valve and inserts
Enter to seal the gug liquid that the production string tripping in oil well with double submersible pump apparatus can also be passed the imperial examinations at the provincial level, makes two sets of submersible pump apparatus
It can work independently, while the service life for extending production string, can reduce completion sequence with a preparation and a use,
To improve well completion work efficiency, oil mining cost is reduced.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram of double Electric Submersible Pump Systems of the utility model；
Fig. 2 is a kind of mounting structure schematic diagram of double Electric Submersible Pump Systems of the utility model.
Drawing reference numeral explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to "upper", "lower" etc. in the present invention is used for description purposes only, and should not be understood as referring to
Show or imply its relative importance or implicitly indicates the quantity of indicated technical characteristic.As a result, define "upper", "lower"
Feature can explicitly or implicitly include at least one of the features.In addition, the technical solution between each embodiment can phase
Mutually combine, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution occur it is mutual
Contradiction or cannot achieve when, will be understood that the combination of this technical solution is not present, also not in the protection model of the requires of the utility model
Within enclosing.
The utility model proposes a kind of double Electric Submersible Pump Systems 100, double Electric Submersible Pump Systems 100 are used for salt water
In the oil well 140 of kill-job, comprising: upper submersible pump apparatus (not indicated in figure), lower submersible pump apparatus (not indicated in figure) and
Hermetically sealed can 110, the upper submersible pump apparatus are placed in the hermetically sealed can 110, the lower submersible pump apparatus and the sealing
Tank 110 is connected to；Double Electric Submersible Pump Systems 100 further include oil pipe 160, and the oil pipe 160 is connected to the upper automatic diverter valve
111 with ground installation (not indicated in figure).
Double Electric Submersible Pump Systems 100 that the present embodiment proposes are suitable for can be with the oil well 140 of salt water kill-job, with salt hydraulic pressure
Well is substituted with oil reservoir anti-pollution valve and drilling fluid kill-job, then the production string tripping in that will be serially connected with upper and lower two sets of submersible pump apparatus
Oil well 140 enables two sets of submersible pump apparatus individually to lift well liquid, realizes a preparation and a use.
Conventionally, as there are anti-pollution valves in oil well 140, there is the production pipe of double submersible pump apparatus 100
It needs to hang insertion sealing when string is gone into the well, and the pulling force that submersible electric pump string is able to bear is limited, so can only be by lower submersible electric pump
Device is placed in hermetically sealed can, then will insertion sealed suspension on the hermetically sealed can, thus by the oil under production string and anti-pollution valve
Layer connection.After substituting with salt water kill-job with oil reservoir anti-pollution valve and drilling fluid kill-job, anti-pollution valve is not present in oil well 140,
Therefore it no longer needs to hang insertion sealing on production string, lower submersible pump apparatus, can be with without being placed in hermetically sealed can again
A set of hermetically sealed can is saved, 140 cost of winning of oil well is saved, meanwhile, it is eliminated in completion sequence anti-pollution with insertion sealing insertion
Valve improves the efficiency of well completion work.
Preferably, the upper submersible pump apparatus includes upper oil-immersed pump 112, upper protector 113 and upper submersible motor 114,
The upper oil-immersed pump 112, upper protector 113 and upper submersible motor 114 are sequentially connected from top to bottom；The lower submersible pump apparatus
Including lower oil-immersed pump 122, lower protector 123 and lower submersible motor 124, the lower oil-immersed pump 122, lower protector 123 and dive
Oily motor 124 is sequentially connected under.
In the present embodiment, upper oil-immersed pump 112, upper protector 113 and upper submersible motor 114 are sequentially connected from top to bottom,
Wherein, upper submersible motor 114 provides power for entire upper submersible pump apparatus, and upper protector 113 plays guarantor to upper submersible motor 114
Shield warranty, upper submersible motor 114 and well liquid are completely cut off, and prevent well liquid from entering upper submersible motor 114, and by upper submersible motor 114
The mechanical energy of generation exports, and is transferred to entirely upper submersible pump apparatus；Well liquid is lifted to ground by upper oil-immersed pump 112, in order to add
The lifting effect of strong well liquid improves lift, and the series of upper oil-immersed pump 112 is not limited only to level-one, can increase series as needed.
Wherein, it is connected by flange 130 between upper oil-immersed pump 112, upper protector 113 and upper submersible motor 114.
Similarly, lower oil-immersed pump 122, lower protector 123 and lower submersible motor 124 are sequentially connected from top to bottom, wherein under
Submersible motor 124 provides power for entire lower submersible pump apparatus, and lower protector 123 plays protection warranty to lower submersible motor 124,
Lower submersible motor 124 is completely cut off with well liquid, prevents well liquid from entering lower submersible motor 124, and the machine that lower submersible motor 124 is generated
Tool can export, and be transferred to entirely lower submersible pump apparatus；Well liquid is lifted to ground by lower oil-immersed pump 122, in order to reinforce well liquid
It lifts effect or improves lift, the series of lower oil-immersed pump 122 is not limited only to level-one, can increase series as needed.Wherein, dive
It is connected by flange 130 between oil pump 122, lower protector 123 and lower submersible motor 124.
It can be in dive in order to reinforce the protection to upper submersible motor 114 and lower submersible motor 124 as a kind of deformation
The side wall of oily motor 124 or bottom installing pressure sensor and flow sensor, user can recognize upper submersible electric pump in real time
The working environment of device and lower submersible pump apparatus, to monitor the heat dispersal situations of upper submersible motor 114 and lower submersible motor 124,
Prevent because pressure or flow velocity extremely caused by damage.
The upper submersible motor 114 is connected to by cable 150 with ground installation with lower submersible motor 124.
Further, 114 device of upper submersible motor further includes upper automatic diverter valve 111, the upper automatic diverter valve
111 be connected to the upper oil-immersed pump 112 far from the upper protector 113 one end, the upper automatic diverter valve 111 with it is described
Upper oil-immersed pump 112 is connected to；The lower submersible pump apparatus further includes lower automatic diverter valve 121, and the lower automatic diverter valve 121 connects
It is connected to one end far from the lower protector 123 of the lower oil-immersed pump 122, the lower automatic diverter valve 121 and the dive
Oil pump 122 is connected to, and the lower automatic diverter valve 121 is connected to the hermetically sealed can 110.
Specifically, when pressure is greater than pressure in the oil pipe 160 in the hermetically sealed can 110, the upper automatic diverter valve 111
The hermetically sealed can 110 is connected to ground installation.
Since lower submersible pump apparatus is connected to by lower automatic diverter valve 121 with hermetically sealed can 110, when upper submersible pump apparatus work
When making, the pressure in hermetically sealed can 110 is less than the pressure in oil well annular space, and lower automatic diverter valve 121 is opened, and well liquid passes through lower automatic
Reversal valve 121 enters hermetically sealed can 110, and it is fuel-displaced to be lifted then to enter upper oil-immersed pump 112 from the pump oil mouth of upper oil-immersed pump 112
Well 140, at this point, upper automatic diverter valve 111 is equivalent to an oil pipe.Instantly when submersible pump apparatus works, lower automatic diverter valve
121 are equivalent to an oil pipe, and well liquid enters lower oil-immersed pump 122 from the pump oil mouth of lower oil-immersed pump 122 to be admitted to hermetically sealed can
110, at this point, the pressure in hermetically sealed can 110 is greater than the pressure in oil pipe 160, upper automatic diverter valve 111 is opened, by hermetically sealed can 110
It is connected to ground installation, then enters oil pipe 160 through upper automatic diverter valve 111, thus by lifting producing well 140.
As one embodiment, inlet opening 170 is offered on upper automatic diverter valve 111 and lower automatic diverter valve 121, into
The well liquid for entering hermetically sealed can 110 can enter upper automatic diverter valve 111 by the inlet opening 170.
Preferably, double Electric Submersible Pump Systems 100 further include pressure sensor, and the pressure sensor is as oil well
It is electrically connected in 140 and with ground installation.
Double Electric Submersible Pump Systems 100 further include pressure sensor (not indicating in figure), and the pressure sensor passes through cable
It is electrically connected with ground installation, user can real-time monitor the pressure in oil well 140 by pressure sensor, to determine salt water
Ratio simultaneously can judge whether strata pressure reaches balance.
As described below is only the preferred embodiment of the utility model, and therefore it does not limit the scope of the patent of the utility model,
It is all under the design of the utility model, equivalent structure transformation made based on the specification and figures of the utility model, or
Directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (8)
1. a kind of double Electric Submersible Pump Systems, which is characterized in that double Electric Submersible Pump Systems are used for in the oil well of salt water kill-job,
Double Electric Submersible Pump Systems include:
Upper submersible pump apparatus, lower submersible pump apparatus and hermetically sealed can, the upper submersible pump apparatus are placed in the hermetically sealed can,
The lower submersible pump apparatus is connected to the hermetically sealed can.
2. double Electric Submersible Pump Systems according to claim 1, which is characterized in that the upper submersible pump apparatus includes upper latent
Oil pump, upper protector and upper submersible motor, the upper oil-immersed pump, upper protector and upper submersible motor are sequentially connected from top to bottom.
3. double Electric Submersible Pump Systems according to claim 2, which is characterized in that on the upper submersible pump apparatus further includes
Automatic diverter valve, the upper automatic diverter valve be connected to the upper oil-immersed pump far from the upper protector one end, it is described on
Automatic diverter valve is connected to the upper oil-immersed pump.
4. double Electric Submersible Pump Systems according to claim 3, which is characterized in that double Electric Submersible Pump Systems further include oil
Pipe, the oil pipe are connected to the upper automatic diverter valve and ground installation.
5. double Electric Submersible Pump Systems according to claim 4, which is characterized in that the sealing pressure inside the tank is greater than the oil
When overpressure, the hermetically sealed can is connected to by the upper automatic diverter valve with ground installation.
6. double Electric Submersible Pump Systems according to claim 1, which is characterized in that the lower submersible pump apparatus includes dive
Oil pump, lower protector and lower submersible motor, the lower oil-immersed pump, lower protector and lower submersible motor are sequentially connected under.
7. double Electric Submersible Pump Systems according to claim 6, which is characterized in that under the lower submersible pump apparatus further includes
Automatic diverter valve, the lower automatic diverter valve is connected to one end far from the lower protector of the lower oil-immersed pump, under described
Automatic diverter valve is connected to the lower oil-immersed pump, and the lower automatic diverter valve is connected to the hermetically sealed can.
8. double Electric Submersible Pump Systems according to claim 1, which is characterized in that double Electric Submersible Pump Systems further include pressure
Force snesor, the pressure sensor are electrically connected as in oil well and with ground installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821381363.4U CN208918864U (en) | 2018-08-24 | 2018-08-24 | A kind of double Electric Submersible Pump Systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821381363.4U CN208918864U (en) | 2018-08-24 | 2018-08-24 | A kind of double Electric Submersible Pump Systems |
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| Publication Number | Publication Date |
|---|---|
| CN208918864U true CN208918864U (en) | 2019-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821381363.4U Active CN208918864U (en) | 2018-08-24 | 2018-08-24 | A kind of double Electric Submersible Pump Systems |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320860A (en) * | 2021-12-31 | 2022-04-12 | 百斯迈奇能源技术服务（深圳）有限公司 | Canning system and two electric submersible pump equipment |
-
2018
- 2018-08-24 CN CN201821381363.4U patent/CN208918864U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320860A (en) * | 2021-12-31 | 2022-04-12 | 百斯迈奇能源技术服务（深圳）有限公司 | Canning system and two electric submersible pump equipment |
| WO2023124230A1 (en) * | 2021-12-31 | 2023-07-06 | 百斯迈奇能源技术服务（深圳）有限公司 | Tank loading system and dual-electric submersible pump device |
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