CN205367927U - Double-barrelled circulation heating well head cross device - Google Patents
Double-barrelled circulation heating well head cross device Download PDFInfo
- Publication number
- CN205367927U CN205367927U CN201521101364.5U CN201521101364U CN205367927U CN 205367927 U CN205367927 U CN 205367927U CN 201521101364 U CN201521101364 U CN 201521101364U CN 205367927 U CN205367927 U CN 205367927U
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- CN
- China
- Prior art keywords
- tube
- outer tube
- filter
- bypass
- double
- 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- Withdrawn - After Issue
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 80
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 230000000712 assembly Effects 0.000 claims description 32
- 238000000429 assembly Methods 0.000 claims description 32
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 18
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 18
- 125000004122 cyclic group Chemical group 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 12
- 239000000395 magnesium oxide Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 239000008398 formation water Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract 4
- 238000000034 method Methods 0.000 description 10
- 239000012535 impurity Substances 0.000 description 7
- 238000005086 pumping Methods 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 3
- 244000273618 Sphenoclea zeylanica Species 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910001425 magnesium ion Inorganic materials 0.000 description 3
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910001424 calcium ion Inorganic materials 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002332 oil field water Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Landscapes
- Water Treatment By Sorption (AREA)
Abstract
The utility model provides a double-barrelled circulation heating well head cross device, including outer tube and the fixed cover locate the inner tube in the outer tube, form annular space between inner tube and the outer tube, set up the bypass of intaking and the water outlet bypass who communicates with the annular space on the outer tube pipe wall, the bypass of intaking is located the top of the water outlet bypass; a filter assembly is arranged in the outer pipe and at the upper end of the inner pipe, the filter assembly comprises a shell with a water filtering cavity and a filter element arranged in the water filtering cavity, a water inlet hole and a water outlet hole are formed in the shell, the water inlet hole is communicated with the water inlet bypass, and the water outlet hole is communicated with the upper port of the inner pipe; the water inlet bypass, the filtering assembly, the inner cavity of the inner pipe, the annular space and the water outlet bypass are sequentially communicated to form a liquid circulation channel. The utility model discloses can carry out filtration treatment to water, avoid blockking up the circulation passageway of liquid.
Description
Technical field
This utility model relates to the technical field of oil exploitation, particularly to one for two-tube hollow stem hydronic well head four exchange device.
Background technology
Along with the raising of processing technique level, double; two hollow stem hot water circulation heated techniques are ripe gradually.This technology is substantially better than electrical heating process in energy consumption, is the developing direction of sucker rod pump heat tracing lifting.The central principle of this technology is to set up thermal cycle passage by double; two hollow stems, and then the liquid in oil pipe is heated.This technique is very high to the requirement of water quality, and injection water in oil field generally first passes through process in advance, meets injection and requires just can use, and impurity content is usually no more than 3%.Heating in technique at Double-tube cyclic, owing to caliber is little, the cycle of injecting is long, and hot water impurity deposition in the process of circulation is more, affects bigger.If containing impurity, calcium, magnesium ion etc. in water, then in the process of hot water circuit, it may appear that contamination precipitation or fouling, and then blocking circulation canal, causing that circulating pressure raises, circulating load reduces, even cause interior pipe clamp to hinder, bring very big inconvenience to construction, operation and production.
Utility model content
For solving above-mentioned technical problem, the utility model proposes a kind of Double-tube cyclic heating well head four-way device and be filtered water processing, it is to avoid the circulation canal of blocking liquid.
The utility model proposes a kind of Double-tube cyclic heating well head four-way device, the interior pipe in described outer tube it is located at including outer tube and fixed cover, annular space is formed between said inner tube and described outer tube, arranging water inlet bypass and the water outlet bypass connected with described annular space on described outer tube wall, described water inlet bypass is positioned at the top of described water outlet bypass；
In described outer tube and at upper ends one filter assemblies of said inner tube, described filter assemblies includes one to be had the housing in drainage chamber and is placed in the filter element of described drainage intracavity, described housing sets into water hole and apopore, described blasthole connects with described water inlet bypass, and described apopore connects with the upper port of said inner tube；Described water inlet bypass, the inner chamber of described filter assemblies, said inner tube, described annular space are sequentially communicated, with described water outlet bypass, the circulation canal forming liquid.
Further, described housing includes:
Being sheathed on the cartridge filter in described outer tube, described blasthole is arranged on the sidewall of described cartridge filter；
Cover plate, its closure is in the upper port of described cartridge filter；
Loading plate, it is fastened on the lower port of described cartridge filter, and described loading plate is arranged to multiple through holes that described liquid leaches；Described filter element is in a cylindrical shape and is placed on described loading plate, the inwall of the outer wall of described filter element and described cartridge filter fits, the upper surface of described filter element is lower than described blasthole, and the inwall of the upper surface of described filter element, described cover plate and described cartridge filter encloses formation water cushion chamber.
Further, the outer wall of described cartridge filter coordinates with the inner wall sealing of described outer tube, and described blasthole connects with described water inlet bypass para-position.
Further, described housing also includes the connecting portion of the hollow being connected to described cartridge filter lower end, and described connecting portion is in the funnel-form of convergent from top to bottom；The upper port of described connecting portion connects with the lower port of described cartridge filter, and the lower port of described connecting portion is described apopore.
Further, described outer tube wall between described water inlet bypass and described water outlet bypass arranges an annular boss inwardly protruded out, the outside of said inner tube is set with the interior pipe hanging head of an annular, and the upper surface put at described annular boss is taken in the lower surface of said inner tube hanging head.
Further, sealing ring, said inner tube and said inner tube hanging head interference fit are set between the outer wall and the inwall of described outer tube of said inner tube hanging head.
Further, the inwall of described outer tube seal and be fixedly installed one and be positioned at seal gasket above described cover plate.
Further, described filter element includes at least one activated carbon filter layer of being alternately superimposed on successively from top to bottom and at least one deliming magnesia mixture filter course.
This utility model having the beneficial effects that compared to prior art: Double-tube cyclic of the present utility model heating well head four-way device arranges filter assemblies in the inner chamber of outer tube, arranges filter element in the drainage chamber of filter assemblies.By filter element, liquid is carried out after-treatment, filtered impurity, it is to avoid fouling, improve water quality, it is to avoid the circulation canal of blocking liquid, improve cycle efficieny, it is to avoid construction risk.Filter assemblies is disposed within the upper end of pipe, it is possible to take out filter assemblies from the upper port of outer tube, removes cover plate or loading plate, it is possible to takes out filter element and carries out safeguarding or changing.
Liquid (hot water) is entered in drainage chamber by water inlet bypass and blasthole successively, hot water is carried out secondary filter by filter element, the inner chamber of pipe in entering again through interior pipe upper end, it is then delivered in the hollow rod in the external world for heating, after heating, the liquid of backflow is by returning on the annular space between inner and outer tubes, is finally flowed out by water outlet bypass.Coordinated by the sealing between interior pipe hanging head outer wall and outer tube wall, between outer wall of inner tube and interior pipe hanging head inwall, make liquid can flow in circulation canal and avoid seepage.
Accompanying drawing explanation
Fig. 1 is that the master of Double-tube cyclic of the present utility model heating well head four-way device is depending on partly cuing open schematic diagram；
The master that Fig. 2 is the filter assemblies of Double-tube cyclic of the present utility model heating well head four-way device looks generalized section.
Accompanying drawing labelling:
10-outer tube；12-is intake bypass；14-water outlet bypasses；16-annular boss；Pipe in 20-；
30-filter assemblies；31-blasthole；32-apopore；34-cover plate；35-cartridge filter；
36-filter element；362-activated carbon filter layer；364-deliming magnesia mixture filter course；
37-loading plate；38-connecting portion；40-seal gasket；Pipe hanging head in 50-.
Detailed description of the invention
Below in conjunction with accompanying drawing, to this utility model, above-mentioned and other technical characteristic and advantage are clearly and completely described, it is clear that described embodiment is only section Example of the present utility model, rather than whole embodiment.
Refer to shown in Fig. 1, the utility model proposes a kind of Double-tube cyclic heating well head four-way device, the interior pipe 20 in outer tube 10 it is located at including outer tube 10 and fixed cover, annular space is formed between interior pipe 20 and outer tube 10, arranging water inlet bypass 12 and the water outlet bypass 14 connected with annular space on outer tube 10 tube wall, water inlet bypass 12 is positioned at the top of water outlet bypass 14.In outer tube 10 and at upper ends one filter assemblies 30 of interior pipe 20, filter assemblies 30 includes one to be had the housing in drainage chamber and is placed in the filter element 36 of drainage intracavity, housing sets into water hole 31 and apopore 32, blasthole 31 connects with water inlet bypass 12, and apopore 32 connects with the upper port of interior pipe 20.Water inlet bypass 12, filter assemblies 30, the inner chamber of interior pipe 20, annular space and water outlet bypass 14 are sequentially communicated the circulation canal forming liquid.
Owing to this utility model arranges filter assemblies 30 in the inner chamber of outer tube 10, the drainage chamber of filter assemblies 30 arranges filter element 36.By filter element 36, liquid is carried out after-treatment, filtered impurity, it is to avoid fouling, improve water quality, it is to avoid the circulation canal of blocking liquid, improve cycle efficieny, it is to avoid construction risk.Liquid (hot water) is entered in drainage chamber by water inlet bypass 12 and blasthole 31 successively, hot water is carried out secondary filter by filter element 36, the inner chamber of pipe 20 in entering again through interior pipe 20 upper end, it is then delivered in the hollow rod in the external world for heating, after heating, the liquid of backflow is by returning on the annular space between interior pipe 20 and outer tube 10, is finally bypassed 14 outflows by water outlet.
More preferably, the top and bottom of outer tube 10 are respectively provided with female thread, are respectively used to connect the oil pumping polish rod being positioned at above outer tube 10 and connect the hollow rod being positioned at below outer tube 10.Also be respectively provided with the sealing shroud being sleeved on outside outer tube 10 in the top and bottom of outer tube 10, sealing shroud ensure that between oil pumping polish rod and outer tube 10, sealing between hollow rod and outer tube 10, it is prevented that the outside seepage of liquid in outer tube 10 inner chamber.
Further, as in figure 2 it is shown, housing include being sheathed in outer tube 10 cover plate 34, cartridge filter 35, loading plate 37.Blasthole 31 is arranged on the sidewall of cartridge filter 35；Cover plate 34 blocks the upper port at cartridge filter 35；Loading plate 37 is fastened on the lower port of cartridge filter 35, and loading plate 37 is arranged to multiple through holes that liquid leaches.Filter element 36 is in a cylindrical shape and is placed on loading plate 37, the inwall of the outer wall of filter element 36 and cartridge filter 35 fits, the upper surface of filter element 35 is lower than blasthole 31, the inwall of the upper surface of filter element 36, cover plate 34 and cartridge filter 35 encloses formation water cushion chamber, water cushion chamber can cushion impulsive force when hot water is entered by blasthole 31, it is ensured that hot water is downwardly into filter element 36 equably.
By above-mentioned setting, filter assemblies 30 is disposed within the upper end of pipe 20, it is possible to take out from the upper port of outer tube 10 easily, this removable structure, flexibly be adapted to the oil recovery operation that water quality is poor, need frequently to change filter assemblies 30.After taking out filter assemblies 30, also by cover plate 34 or the loading plate 37 of removing filter assemblies 30, take out filter element 36 and carry out safeguarding or changing.
Further, the outer wall of cartridge filter 35 coordinates with the inner wall sealing of outer tube 10, and blasthole 31 connects with water inlet bypass 12 para-positions.So being not only simple in structure, cartridge filter 35 is subject to the support of outer tube 10 inwall, it is possible to be steadily placed in outer tube 10；The blasthole 31 of filter assemblies 30 directly bypasses 12 with water inlet and connects, make hot water be directly entered drainage chamber without using pipeline, it is to avoid hot water thermal loss in the process of circulation.
Further, housing also includes the connecting portion 38 of the hollow being connected to cartridge filter 35 lower end, and connecting portion 38 is in the funnel-form of convergent from top to bottom；The upper port of connecting portion 38 connects with the lower port of cartridge filter 35, and the lower port of connecting portion 38 is apopore 32.More preferably, under the self gravitation effect of the oil pumping polish rod above outer tube 10, the outer wall of the connecting portion 38 of filter assemblies 30 presses against the upper surface at interior pipe 20, and filter assemblies 30 is placed stably.Can also by one-body molded to connecting portion 38 and cartridge filter 35；When changing filter element, remove the cover plate 34 of filter assemblies 30, take out filter element 36 from the upper port of cartridge filter 35.In the present embodiment, by one-body molded to cover plate 34, cartridge filter 35, loading plate 37 and connecting portion 38, it is necessary to when changing filter element 36, integral replacing filter assemblies 30.
Further, outer tube 10 inwall between water inlet bypass 12 and water outlet bypass 14 arranging an annular boss 16 inwardly protruded out, the outside of interior pipe 20 is set with the interior pipe hanging head 50 of an annular, and the upper surface put at annular boss 16 is taken in the lower surface of interior pipe hanging head 50.
Further, sealing ring, interior pipe 20 and interior pipe hanging head 50 interference fit are set between the outer wall and the inwall of outer tube 10 of interior pipe hanging head 50.By above-mentioned design, between interior pipe hanging head 50 outer wall and outer tube 10 inwall, seal respectively between interior pipe 20 outer wall and interior pipe hanging head 50 inwall, will be avoided that liquid leaks into other positions of outer tube 10 inner chamber from circulation canal.
Further, the inwall of outer tube 10 sealing and is fixedly installed a seal gasket 40, seal gasket 40 is positioned at the top of cover plate 34.The inner chamber of outer tube 10 is divided into two mutual disconnected upper chamber and lower chambers by seal gasket 40, connects oil pumping polish rod in upper chamber, and bottom chamber arranges filter assemblies 30 and interior pipe 20.Seal gasket 40 avoids liquid to flow upwardly into upper chamber, reveals at the female thread place of outer tube 10 upper end.
Further, at least one activated carbon filter layer 362 and at least one deliming magnesia mixture filter course 364 that filter element 36 includes being alternately superimposed on successively from top to bottom.In the present embodiment, filter element 36 includes three activated carbon filter layers 362 and two deliming magnesia mixture filter courses 364.Can being actually needed according to oil field water quality, adjust quantity and the thickness of each activated carbon filter layer 362 and deliming magnesia mixture filter course 364.Activated carbon filter layer 362 is made up of activated carbon, and activated carbon is mainly used in impurity particle remaining after pretreatment in absorption water, and deliming magnesia mixture filter course 364 is made up of deliming magnesia mixture, and deliming magnesia mixture is mainly used in removing the calcium ions and magnesium ions in water, it is to avoid downhole scaling.Filter element 36 processes mainly for the impurity contained in the water of oil field and calcium ions and magnesium ions, it is also possible to arrange filter element 36 according to actual water quality.Simple in construction of the present utility model, filter efficiency is high.
The use procedure of Double-tube cyclic of the present utility model heating well head four-way device is as follows:
Interior pipe hanging head 50 suit is fixed on outside the upper end of interior pipe 20, takes and put on the annular boss 16 of outer tube 10；The lower end of outer tube 10 connects hollow rod；Filter assemblies 30 being positioned over via the upper port of outer tube 10 upper end of interior pipe 20, makes apopore 32 connect with the upper port of interior pipe 20, blasthole 31 connects with water inlet bypass 12；Fixed installation seal gasket 40, the upper end of outer tube 10 connects oil pumping polish rod.Connect inlet channel to water inlet bypass 12, connect outlet conduit and bypass 14 to water outlet.
Pump into the hot water meeting pressure requirements at inlet channel place, observe whether hot water seepage occurs on the outer wall of outer tube 10；If it is non-leakage, it was demonstrated that the sealing of each link position is effective, carries out hot water circuit.When filter element 36 changed by needs, hollow rod is suspended in sucker rod hanging, dismantles oil pumping polish rod, take out seal gasket 40 and filter assemblies 30, integral replacing filter assemblies 30 successively.Or remove the cover plate 34 of filter assemblies 30 upper end, then or remove the connecting portion 38 of filter assemblies 30 lower end and loading plate 37 successively, it is possible to take out filter element 36 and carry out safeguarding or changing.
Particular embodiments described above; the purpose of this utility model, technical scheme and beneficial effect have been carried out further detailed description; should be appreciated that and the foregoing is only specific embodiment of the utility model, be not used to limit protection domain of the present utility model.Particularly point out, to those skilled in the art, all within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (8)
1. a Double-tube cyclic heating well head four-way device, the interior pipe in described outer tube it is located at including outer tube and fixed cover, annular space is formed between said inner tube and described outer tube, it is characterized in that, arranging water inlet bypass and the water outlet bypass connected with described annular space on described outer tube wall, described water inlet bypass is positioned at the top of described water outlet bypass；
In described outer tube and at upper ends one filter assemblies of said inner tube, described filter assemblies includes one to be had the housing in drainage chamber and is placed in the filter element of described drainage intracavity, described housing sets into water hole and apopore, described blasthole connects with described water inlet bypass, and described apopore connects with the upper port of said inner tube；Described water inlet bypass, the inner chamber of described filter assemblies, said inner tube, described annular space are sequentially communicated, with described water outlet bypass, the circulation canal forming liquid.
2. Double-tube cyclic according to claim 1 heating well head four-way device, it is characterised in that described housing includes:
Being sheathed on the cartridge filter in described outer tube, described blasthole is arranged on the sidewall of described cartridge filter；
Cover plate, its closure is in the upper port of described cartridge filter；
Loading plate, it is fastened on the lower port of described cartridge filter, and described loading plate is arranged to multiple through holes that described liquid leaches；Described filter element is in a cylindrical shape and is placed on described loading plate, the inwall of the outer wall of described filter element and described cartridge filter fits, the upper surface of described filter element is lower than described blasthole, and the inwall of the upper surface of described filter element, described cover plate and described cartridge filter encloses formation water cushion chamber.
3. Double-tube cyclic according to claim 2 heating well head four-way device, it is characterised in that the outer wall of described cartridge filter coordinates with the inner wall sealing of described outer tube, described blasthole connects with described water inlet bypass para-position.
4. the Double-tube cyclic heating well head four-way device according to Claims 2 or 3, it is characterised in that described housing also includes the connecting portion of the hollow being connected to described cartridge filter lower end, and described connecting portion is in the funnel-form of convergent from top to bottom；The upper port of described connecting portion connects with the lower port of described cartridge filter, and the lower port of described connecting portion is described apopore.
5. Double-tube cyclic according to claim 1 heating well head four-way device, it is characterized in that, described outer tube wall between described water inlet bypass and described water outlet bypass arranges an annular boss inwardly protruded out, the outside of said inner tube is set with the interior pipe hanging head of an annular, and the upper surface put at described annular boss is taken in the lower surface of said inner tube hanging head.
6. Double-tube cyclic according to claim 5 heating well head four-way device, it is characterised in that sealing ring, said inner tube and said inner tube hanging head interference fit are set between the outer wall and the inwall of described outer tube of said inner tube hanging head.
7. the Double-tube cyclic heating well head four-way device according to Claims 2 or 3, it is characterised in that seal on the inwall of described outer tube and be fixedly installed and be positioned at seal gasket above described cover plate.
8. Double-tube cyclic according to claim 1 heating well head four-way device, it is characterised in that described filter element includes at least one activated carbon filter layer and at least one deliming magnesia mixture filter course of being alternately superimposed on successively from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521101364.5U CN205367927U (en) | 2015-12-25 | 2015-12-25 | Double-barrelled circulation heating well head cross device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521101364.5U CN205367927U (en) | 2015-12-25 | 2015-12-25 | Double-barrelled circulation heating well head cross device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205367927U true CN205367927U (en) | 2016-07-06 |
Family
ID=56257272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521101364.5U Withdrawn - After Issue CN205367927U (en) | 2015-12-25 | 2015-12-25 | Double-barrelled circulation heating well head cross device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205367927U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105439307A (en) * | 2015-12-25 | 2016-03-30 | 中国石油天然气股份有限公司 | Double-barrelled circulation heating well head cross device |
-
2015
- 2015-12-25 CN CN201521101364.5U patent/CN205367927U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105439307A (en) * | 2015-12-25 | 2016-03-30 | 中国石油天然气股份有限公司 | Double-barrelled circulation heating well head cross device |
| CN105439307B (en) * | 2015-12-25 | 2018-03-13 | 中国石油天然气股份有限公司 | Double-barrelled circulation heating well head cross device |
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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 | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160706 Effective date of abandoning: 20180313 |