CN206329323U - Well body structure of recharge well - Google Patents
Well body structure of recharge well Download PDFInfo
- Publication number
- CN206329323U CN206329323U CN201621399448.6U CN201621399448U CN206329323U CN 206329323 U CN206329323 U CN 206329323U CN 201621399448 U CN201621399448 U CN 201621399448U CN 206329323 U CN206329323 U CN 206329323U
- Authority
- CN
- China
- Prior art keywords
- pipe
- recharge
- pump chamber
- well casing
- well
- Prior art date
- 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- Withdrawn - After Issue
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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- Jet Pumps And Other Pumps (AREA)
Abstract
The utility model discloses a well body structure of a recharge well, which is positioned at the top of the recharge well; the method comprises the following steps: the device comprises a pump chamber pipe, a pumping pipe, a recharge pipe, a pumping pump and a well pipe, wherein the pumping pipe is positioned inside the pump chamber pipe, the length of the pumping pipe is greater than the dynamic water level during mining, the pumping pump is arranged at the bottom of the pumping pipe, the recharge pipe is additionally arranged on the outer side of the pump chamber pipe, and the bottom end of the recharge pipe is respectively connected with the pump chamber pipe and an extension part of the well pipe through an elbow; the pump chamber pipe is connected with a well pipe below the pump chamber pipe through reducing, the well pipe extends upwards for 5m from the reducing position, the bottom of the recharge pipe is in three-way connection with the well pipe, and the well pipe at the three-way position is not sealed; the recharge inlet is arranged below the raising pump and is vertical up and down; the utility model provides a recharge well body structure is applicable to the recharge engineering that needs carry out the recharge, has greatly reduced the operation degree of difficulty of recharging, has practiced thrift the recharge cost.
Description
Technical field
The utility model is related to geothermal tail water recharge field, specifically designs a kind of convenient, fast progress underground heat tail
The casing programme of Water Spreading and Hui Yang.
Background technology
In the tail water recharge of pore type heat storage, because the hot half diagenesis stored up, degree of consolidation are poor, the process of geothermal tail water recharge
In carry a large amount of silt particles and suspension, cause inverted well porosity reduce or block, influence geothermal tail water recharge effect.
In geothermal reinjection technique, Hui Yang be solve inverted well physical clogging effective ways, Hui Yang frequency and return raise flow according to
Recharge amount and determine, recharge amount is bigger, inverted well precipitate silt particle and suspension amount it is bigger, there is clogging in inverted well
Accelerate the Hui Yang, it is necessary to frequent.General recharge amount is in 80m3, it is necessary to during/h every 7 days Hui Yang once, high-frequency Hui Yangzeng
Add the operation difficulty of recharge, have impact on the popularization of geothermal reinjection.
Current recharge casing programme is similar with recovery well, in order to carry out Hui Yang, otherwise it is to be returned by annular gap
Fill, the mode of this recharge causes gas to pour into water-bearing layer with tail water, causes the gas in water-bearing layer to block.It is pump
Pipe recharge, returns Yang Shizai and raises pump next time, this mode need repeatedly put water pump, come realize recharge and Hui Yang replace into
OK, operate cumbersome, and extra-pay and unexpected failure can be produced.
Utility model content
The utility model purpose is to provide a kind of inverted well casing programme, by the transformation of casing programme, to eliminate at present
Return and raise technical difficult point and shortcoming.
Technical solution of the present utility model is：
A kind of inverted well casing programme, the structure is located at the top of inverted well；Including：Pump chamber pipe, Hui Yangguan, recharge
Pipe, return and raise pump, well casing, Hui Yangguan is located at the inside of pump chamber pipe, Hui Yangguan length is more than dynamic water level during exploitation, returns and raises pump peace
Mounted in Hui Yangguan bottom, recharge pipe is installed at the outside of pump chamber pipe, and bottom is extended with pump chamber pipe and well casing respectively by elbow
Part is connected；Pump chamber pipe is connected by reducing with well casing below, and well casing extends 5m upwards at reducing, recharge bottom of the tube with
Well casing carries out the well casing open-ended at threeway connection, threeway；Recharge entrance raises the lower section of pump going back to, and vertical up and down.
So without expanding the bore of pump chamber pipe, save tubing and cost, and ensure pump line and the pump housing it is normal under enter；
Recharge water source is poured into well by recharge pipe；When needing back to raise, pipe progress Hui Yang is raised by returning；Pump is raised without special returning, no
It is as good as during recharge with recovery well, possesses the repertoire of recovery well, is provided simultaneously with the function of very convenient progress recharge.Well casing from
Extend 5m at reducing upwards, be attached with recharge pipe in the way of threeway, this part well casing plays a part of protecting pump chamber pipe,
Excessive, impact of the current to pump chamber pipe of being pressurizeed during recharge is prevented, and makes pump chamber pipe gradually thinning, so that penetrating, occur leak feelings
Condition.Prolongation is connected as a single entity with bottom well casing, fastness increase, enters row buffering to recharge tail water, is not connected as a single entity and can also rise
To the effect of buffering recharge water, but fastness is reduced, and can also be caused because construction is not forbidden, but prolongation is not in pump chamber pipe
Centre, is impacted to well workover in the future, well-flushing.
It is further preferred that 3 mouths of pipe of the recharge pipe, pump chamber pipe and well casing are intended to leave the screw thread of connection；Recharge
Pipe is installed additional from the outside screw thread of pump chamber pipe；Corrosion resistance and durability are improved, the use space of pump chamber pipe is prevented take up.
It is further preferred that the recharge pipe and well casing junction, 2m distance is reserved in upside.
It is further preferred that one metal skid-proof pad of cushioning below the recharge pipe pipe collar, and pass through fixation with pump chamber pipe
Chain carries out link fixation；To mitigate the load-bearing of bottom elbow, prevent because of tubing self gravitation, make elbow deformation fracture.
It is further preferred that it is 2m that the receipt root, which fills length of tube, specification is internal diameter 100.5mm, external diameter 114.3mm, is connect
External diameter 132.08mm is bound round, well casing specification is external diameter 178mm, and pump chamber pipe specification is external diameter 273mm.
The utility model has following beneficial effect：
（1）The utility model can both improve the effect of recharge, can easily carry out back raising operation again, save a large amount of
Human and material resources resource, it is therefore prevented that with the generation of chance failure, have no effect on the maintenance work of geothermal well.
（2）The utility model is when into well, disposably to transform successfully, service life is longer, is put things right once and for all.
（3）The utility model only needs next pump line from well head, reduces the difficulty of down tube, has saved down tube and maintenance
Difficulty and cost.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is part A structural representation in Fig. 1；
Fig. 3 is part B structural representation in Fig. 2；
In figure, 1, pump chamber pipe, 2, Hui Yangguan, 3, liquid level, 4, recharge pipe, 5, return and raise pump, 6, metal skid-proof pad, 7, fixed
Chain, 8, reducing, 9, well casing.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, with reference to embodiments, to this
Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain this practicality
It is new, it is not used to limit the utility model.
Below in conjunction with the accompanying drawings and specific embodiment is further described to application principle of the present utility model.
Embodiment 1：A kind of inverted well casing programme, the structure is located at the top of inverted well；Including：Pump chamber pipe 1, Hui Yang
Pipe 2, recharge pipe 4, return raise pump 5, well casing 9, return raise pipe 2 be located at pump chamber pipe 1 inside, return raise pipe 2 length be more than exploitation when
Dynamic water level, returns and raises pump 5 and be arranged on go back to the bottom for raising pipe 2, recharge pipe 4 is installed at the outside of pump chamber pipe 1, and bottom is distinguished by elbow
It is connected with pump chamber pipe 1 and the prolongation of well casing 9；Pump chamber pipe 1 is connected by reducing with well casing 9 below, and well casing 9 is from reducing 8
Place extends 5m upwards, and the bottom of recharge pipe 4 carries out threeway with well casing 9 and is connected, the open-ended of well casing 9 at threeway；Recharge entrance is being returned
The lower section of pump 5 is raised, and it is vertical up and down.
So without expanding the bore of pump chamber pipe 1, save tubing and cost, and ensure pump line and the pump housing it is normal under
Enter；Pump 2 is raised without special returning, is as good as during not recharge with recovery well, possesses the repertoire of recovery well, be provided simultaneously with very square
Just the function of recharge is carried out.Well casing 9 extends 5m upwards at reducing 8, is attached with recharge pipe 4 in the way of threeway, this portion
Part well casing 9 plays a part of protection pump chamber pipe 1, prevents excessive, impact of the current to pump chamber pipe 1 of being pressurizeed during recharge, and makes pump chamber
Pipe 1 is gradually thinning, so that penetrating, occurs water leakage situation.Prolongation is connected as a single entity with bottom well casing 9, fastness increase, to returning
Fill tail water and enter row buffering, be not connected as a single entity and may also function as the effect of buffering recharge water, but fastness is reduced, and can also be caused because of construction
Do not forbid, but prolongation is impacted not in the center of pump chamber pipe 1 to well workover in the future, well-flushing.
It is further preferred that 3 mouths of pipe of the recharge pipe 4, pump chamber pipe 1 and well casing 9 are intended to leave the screw thread of connection；Return
Pipe 4 is filled to install additional from the outside screw thread of pump chamber pipe 1；Corrosion resistance and durability are improved, the use space of pump chamber pipe is prevented take up.
It is further preferred that the recharge pipe 4 and the junction of well casing 9,2m distance is reserved in upside.
It is further preferred that one metal skid-proof pad 6 of cushioning below the pipe collar of recharge pipe 4, and pass through admittedly with pump chamber pipe 1
Determine chain 7 and carry out link fixation；To mitigate the load-bearing of bottom elbow, prevent because of tubing self gravitation, make elbow deformation fracture.
It is further preferred that the single length of recharge pipe 4 is 2m, specification is internal diameter 100.5mm, external diameter 114.3mm, is connect
External diameter 132.08mm is bound round, the specification of well casing 9 is external diameter 178mm, and the specification of pump chamber pipe 1 is external diameter 273mm.
Technological process：The utility model needs RPS3000 water sources rig to be constructed, it is desirable to which the rig, which has, is not less than 2m
High platform, the outside reaming of pump chamber pipe 1 to 600mm, counterbore depth 320m；Prepare well casing 9, the 273mm specifications of 177.8mm specifications
Pump chamber pipe 1, connection well casing 9 and pump chamber pipe 1 reducing 8, the recharge pipe 4 of 114.3mm specifications, sequence in advance order；Portion in Fig. 2
Part is processed on the ground, notices that recharge pipe 4 can not be extend into inside well casing 9, as shown in Figure 3, it is to avoid when well is safeguarded in influence, is bored
Bar is normally entered；Well casing 9 extends to the part of pump chamber pipe 1 in Fig. 1, and upper end can not be sealed, and both enter water-bearing layer for recharge water
Passage, be also well workover, well-flushing when drilling rod and equipment enter passage；3 mouths of pipe in Fig. 2, are intended to leave the screw thread of connection；
Reaming is changed after oar finishes, and 177.8mm well casing 9 is first entered down, then enters the part in Fig. 2 down, then under enter pump chamber pipe 1 in Fig. 1
With recharge pipe 4, finally enter back to raise pump 5 down and return to raise pipe 2；Pump chamber pipe 1 and recharge pipe 4 same will enter at present, and pump chamber pipe 1 is put down by rig
Platform top is assembled, and recharge pipe 4 is manually assembled below platform, every time under enter 2m, it is complete under untill；Recharge pipe 4
Below pipe collar, one metal skid-proof pad 6 of cushioning, and fixation is attached with pump chamber pipe 1, to mitigate the carrying of recharge pipe bottom
Power, while preventing that recharge pipe from rocking and rupturing；Enter length under pump chamber pipe 1 and recharge pipe 4 and be 300m, return and raise pump 5 and pacify
The bottom of pipe 2 is raised mounted in returning, is returned and is raised the depth of pump 5 and extend to 20m below dynamic water level liquid level when maximum is drawn water, inverted well well bore technique
Complete.
The above, only the utility model preferably embodiment, but protection domain of the present utility model is not
This is confined to, any one skilled in the art can readily occur in the technical scope that the utility model is disclosed
Change or replacement, should all cover within protection domain of the present utility model.
Claims (5)
1. a kind of inverted well casing programme, the structure is located at the top of inverted well；It is characterised in that it includes：Pump chamber pipe（1）、
Hui Yangguan（2）, recharge pipe（4）, return raise pump（5）, well casing（9）, Hui Yangguan（2）Positioned at pump chamber pipe（1）Inside, Hui Yangguan（2）
Length be more than exploitation when dynamic water level, return raise pump（5）Installed in Hui Yangguan（2）Bottom, recharge pipe（4）It is installed at pump chamber pipe
（1）Outside, bottom by elbow respectively with pump chamber pipe（1）And well casing（9）Prolongation is connected；Pump chamber pipe（1）Pass through reducing
With well casing below（9）Connection, well casing（9）From reducing（8）Place extends 5m, recharge pipe upwards（4）Bottom and well casing（9）Carry out
Threeway is connected, the well casing at threeway（9）Open-ended；Recharge entrance return raise pump（5）Lower section, it is and vertical up and down.
2. inverted well casing programme according to claim 1, it is characterised in that the recharge pipe（4）, pump chamber pipe（1）With
Well casing（9）3 mouths of pipe be intended to leave the screw thread of connection；Recharge pipe（4）From pump chamber pipe（1）Outside screw thread install additional.
3. inverted well casing programme according to claim 1, it is characterised in that the recharge pipe（4）With well casing（9）Connection
Reserve 2m distance in place, upside.
4. inverted well casing programme according to claim 1, it is characterised in that the recharge pipe（4）Cushioning below pipe collar
One metal skid-proof pad（6）, and with pump chamber pipe（1）Pass through fixed chain（7）Carry out link fixation.
5. the inverted well casing programme according to claim any one of 1-4, it is characterised in that the single recharge pipe（4）
Length is 2m, and specification is internal diameter 100.5mm, external diameter 114.3mm, box cupling external diameter 132.08mm, well casing（9）Specification is external diameter
178mm, pump chamber pipe（1）Specification is external diameter 273mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621399448.6U CN206329323U (en) | 2016-12-20 | 2016-12-20 | Well body structure of recharge well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621399448.6U CN206329323U (en) | 2016-12-20 | 2016-12-20 | Well body structure of recharge well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206329323U true CN206329323U (en) | 2017-07-14 |
Family
ID=59290689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621399448.6U Withdrawn - After Issue CN206329323U (en) | 2016-12-20 | 2016-12-20 | Well body structure of recharge well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206329323U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593359A (en) * | 2016-12-20 | 2017-04-26 | 山东省地质矿产勘查开发局 | Well body structure of recharge well |
-
2016
- 2016-12-20 CN CN201621399448.6U patent/CN206329323U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593359A (en) * | 2016-12-20 | 2017-04-26 | 山东省地质矿产勘查开发局 | Well body structure of recharge well |
| CN106593359B (en) * | 2016-12-20 | 2022-11-04 | 山东省地质矿产勘查开发局 | Well body structure of recharge well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170714 Effective date of abandoning: 20221104 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170714 Effective date of abandoning: 20221104 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |