CN204532127U - Flow guide pipe - Google Patents
Flow guide pipe Download PDFInfo
- Publication number
- CN204532127U CN204532127U CN201520025286.9U CN201520025286U CN204532127U CN 204532127 U CN204532127 U CN 204532127U CN 201520025286 U CN201520025286 U CN 201520025286U CN 204532127 U CN204532127 U CN 204532127U
- Authority
- CN
- China
- Prior art keywords
- outer tube
- top connection
- mozzle
- box cupling
- 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.)
- Expired - Fee Related
Links
- 239000012530 fluid Substances 0.000 abstract description 8
- 239000012188 paraffin wax Substances 0.000 abstract 2
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 239000003129 oil well Substances 0.000 description 8
- 238000011010 flushing procedure Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008021 deposition Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Landscapes
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The utility model provides a honeycomb duct, it includes the top connection, connects the outer tube of top connection below and connects the inner tube in the top connection below, and the outer tube is located the outside of top connection, and the inner tube is located the inboard of top connection, is formed with the passageway between inner tube and the outer tube, runs through on the lateral wall of outer tube to have the through-hole that is linked together with the passageway, and passageway and through-hole constitute exhaust passage. When the gas injection well is in work, gas can be discharged to the outside through the exhaust channel, and meanwhile, when fluid needs to be injected, well entering fluid can enter a well shaft through the exhaust channel, so that paraffin removal and well washing are facilitated, and the problems of air lock, paraffin precipitation and the like can be effectively solved.
Description
Technical field
The utility model relates to a kind of flow string, and especially one is applicable to high-water-cut oil-producing well, can solve the mozzle of oil well gas lock, wax deposition problem.
Background technology
Along with oil field development enters the middle and later periods, interlayer contradiction is given prominence to, and some oil wells enters the High water cut stage, and particularly thin oil well moisture content raises year by year.Adopt conventional mechanical water-plugging technique that moisture content is necessarily controlled, but for part fluid supply capacity deficiency, tie cured, that gas lock phenomenon is serious high-water-cut oil-producing well, because fluid supply capacity is not enough, liquid level is low, oil well pump must down to oil reservoir middle and lower part, such water pack off can only adopt closed pipe rod structure, after shutoff, oil jacket annular space is not communicated with, oil reservoir gas is so just caused to arrange outward, after producing a period of time, gas is just piled up at oil reservoir, and pressure raises, producing pressure differential reduces, and reservoir productivity is suppressed; And a large amount of gas also can have an impact to pumping efficiency of oil pump in process of production, gas lock phenomenon is serious, causes oil well pump normally to work; In addition, closed water plugging string does not have well-flushing passage, and cannot complete the routine such as well-flushing, wax removal and produce ancillary method in oil well production process, wax can enter pump barrel, sucker rod load is increased, affects pump efficiency, and holddown can be caused time serious to produce.
Utility model content
The purpose of this utility model is to provide a kind of mozzle, to solve gas lock, wax deposition problem that high-water-cut oil-producing well exists.
For achieving the above object, the utility model proposes a kind of mozzle, described mozzle comprises top connection, is connected to the outer tube below described top connection and is connected to the interior pipe below described top connection, described outer tube is positioned at the outside of described top connection, described interior pipe is positioned at the inner side of described top connection, be formed with passage between described interior pipe and described outer tube, the sidewall of described outer tube run through the through hole having and be connected with described passage, described passage and described through hole form exhaust passage.
Mozzle as above, wherein, is provided with the first box cupling between described top connection and described outer tube, the lower end of described top connection is connected to inside the upper end of described first box cupling, and the upper end of described outer tube is connected to the lower end inside of described first box cupling.
Mozzle as above, wherein, the lower end outside of described interior pipe is connected with the second box cupling.
Mozzle as above, wherein, described second box cupling is positioned at the below of described outer tube, and the lower end of described second box cupling connects the second oil pipe.
Mozzle as above, wherein, the lower end of described outer tube connects packer.
Mozzle as above, wherein, the upper end of described top connection connects the first oil pipe.
Mozzle as above, wherein, the length of described interior pipe is greater than the length of described outer tube.
Feature and the advantage of mozzle of the present utility model are: its with under other instrument behind down-hole, operationally owing to having passage between outer tube and interior pipe, gas can drain into outside via the passage between outer tube and interior pipe and the through hole on outer tube, simultaneously when needs inject fluid, entry well fluid also can enter in pit shaft via the through hole on outer tube, passage between outer tube and interior pipe, facilitate wax removal, well-flushing, can effectively solve the problem such as gas lock, wax deposition.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is the schematic diagram of mozzle of the present utility model.
Critical element label declaration:
1 top connection 2 first box cupling
3 outer tube 31 through holes
Pipe 5 passage in 4
6 second box cuplings
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and detailed description of the invention of the present utility model is described.
As shown in Figure 1, the utility model provides a kind of mozzle, comprise top connection 1, the interior pipe 4 being connected to the outer tube 3 below top connection 1 and being connected to below top connection 1, outer tube 3 is positioned at the outside of top connection 1, interior pipe 4 is positioned at the inner side of top connection 1, namely in, pipe 4 is arranged in outer tube 3, the passage 5 of annular is formed between interior pipe 4 and outer tube 3, the sidewall of outer tube 3 radially runs through the through hole 31 having and be connected with passage 5, through hole 31 can arrange multiple along the axis of outer tube 3, passage 5 and through hole 31 form exhaust passage, the central axis of such as passage 5 and the central axis of through hole 31 perpendicular.
In use, by mozzle of the present utility model with under other instrument in well, owing to having passage between outer tube and interior pipe, gas can drain into outside via exhaust passage, solve air-lock problem, simultaneously when needs inject fluid in well, entry well fluid also can enter into pit shaft via exhaust passage, to carry out the operation such as wax removal, well-flushing.
In a specific embodiment, be provided with the first box cupling 2 between top connection 1 and outer tube 3, the lower end of top connection 1 is connected to inside the upper end of the first box cupling 2, and the upper end of outer tube 3 is connected to the lower end inside of the first box cupling 2.
Specifically, the upper end of top connection 1 is provided with internal thread, for connecting the tubing string of top, such as the upper end of top connection 1 connects the first oil pipe, the external diameter of the first oil pipe is such as 88.9mm, the lower end of top connection 1 is provided with internal thread, for being connected with the external screw thread of interior pipe 4 upper end, the lower end of top connection is provided with external screw thread, for being connected with the internal thread of the first box cupling 2 upper end, the upper end of outer tube 3 is provided with external screw thread, for being connected with the internal thread of the first box cupling 2 lower end, the lower end of outer tube 3 is also provided with external screw thread, for connecting other downhole tool, the lower end of such as outer tube 3 connects big orifice packer.Being threaded by adopting, being convenient to assembly and disassembly.
In another specific embodiment, the lower end outside of interior pipe 4 is connected with the second box cupling 6.Wherein, second box cupling 6 is positioned at the below of outer tube 3, the lower end of interior pipe 4 is provided with external screw thread, be connected with the internal thread of the second box cupling 6 upper end, second box cupling 6 lower end is also provided with internal thread, can be used for other tubing string connecting below, the such as lower end of the second box cupling 6 connects the second oil pipe (also can be described as interior pipe), and the external diameter of this second oil pipe is such as 60mm.
Preferably, the length of interior pipe 4 is greater than the length of outer tube 3, and namely, the end of pipe 4 extends to the below of outer tube 3, so that inner and outer tubes connect other downhole tools.
Mozzle of the present utility model has the several functions such as gas-tight, wax removal, well-flushing, and the problems such as the knot that after solving conventional water blockoff, oil well exists is cured, gas lock, extend pump detection period, improve the production time efficiency of pump efficiency and oil well, save operating cost, in addition, its structure is simple, can not increase task difficulty.
The foregoing is only the schematic detailed description of the invention of the utility model, and be not used to limit scope of the present utility model.Any those skilled in the art, the equivalent variations done under the prerequisite not departing from design of the present utility model and principle and amendment, all should belong to the scope of the utility model protection.And it should be noted that, each ingredient of the present utility model is not limited in above-mentioned overall applicability, the each technical characteristic described in manual of the present utility model can select one to adopt separately or select the multinomial use that combines according to actual needs, therefore, the utility model covers other relevant with this case inventive point in the nature of things and combines and embody rule.
Claims (7)
1. a mozzle, it is characterized in that, described mozzle comprises top connection, is connected to the outer tube below described top connection and is connected to the interior pipe below described top connection, described outer tube is positioned at the outside of described top connection, described interior pipe is positioned at the inner side of described top connection, be formed with passage between described interior pipe and described outer tube, the sidewall of described outer tube run through the through hole having and be connected with described passage, described passage and described through hole form exhaust passage.
2. mozzle as claimed in claim 1, it is characterized in that, be provided with the first box cupling between described top connection and described outer tube, the lower end of described top connection is connected to inside the upper end of described first box cupling, and the upper end of described outer tube is connected to the lower end inside of described first box cupling.
3. mozzle as claimed in claim 1, it is characterized in that, the lower end outside of described interior pipe is connected with the second box cupling.
4. mozzle as claimed in claim 3, it is characterized in that, described second box cupling is positioned at the below of described outer tube, and the lower end of described second box cupling connects the second oil pipe.
5. mozzle as claimed in claim 1, is characterized in that, the lower end of described outer tube connects packer.
6. mozzle as claimed in claim 1, it is characterized in that, the upper end of described top connection connects the first oil pipe.
7. mozzle as claimed in claim 1, it is characterized in that, the length of described interior pipe is greater than the length of described outer tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520025286.9U CN204532127U (en) | 2015-01-14 | 2015-01-14 | Flow guide pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520025286.9U CN204532127U (en) | 2015-01-14 | 2015-01-14 | Flow guide pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204532127U true CN204532127U (en) | 2015-08-05 |
Family
ID=53746150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520025286.9U Expired - Fee Related CN204532127U (en) | 2015-01-14 | 2015-01-14 | Flow guide pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204532127U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547595A (en) * | 2018-04-20 | 2018-09-18 | 重庆科技学院 | A kind of condensate gas pit shaft paraffin cutting tool |
| CN112901115A (en) * | 2021-02-20 | 2021-06-04 | 中海油能源发展股份有限公司 | Selective one-way valve for sand prevention |
-
2015
- 2015-01-14 CN CN201520025286.9U patent/CN204532127U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547595A (en) * | 2018-04-20 | 2018-09-18 | 重庆科技学院 | A kind of condensate gas pit shaft paraffin cutting tool |
| CN112901115A (en) * | 2021-02-20 | 2021-06-04 | 中海油能源发展股份有限公司 | Selective one-way valve for sand prevention |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103912253B (en) | Gas well single well gas recovery system and low-pressure recovery method thereof | |
| CN101769271B (en) | Deep-well oil-extraction external flow-channel direct and reverse circulation freely-throwing jet injector oil production method and device | |
| CN204532127U (en) | Flow guide pipe | |
| CN102817594B (en) | Horizontal well water pumping gas production method and device | |
| CN206681707U (en) | Hammering oil discharger | |
| CN204457576U (en) | Mechanical water plugging pipe column | |
| CN203098261U (en) | Sand-bury-preventing oil well pump oil inlet valve | |
| CN103573194A (en) | Production string optimization device for oil well in case of electric submersible pump gas-locking | |
| CN214532911U (en) | Injection-production integrated sand-proof antiscale oil-well pump | |
| CN207863925U (en) | A kind of submersible electric pump flow string constant-pressure sliding sleeve | |
| CN202955049U (en) | Double-barreled water jet pump | |
| CN205297464U (en) | Gas injection well head device | |
| CN205012973U (en) | Machine pump drainage liquid gas production device | |
| CN201730553U (en) | Expansion pipe column for petroleum drill | |
| CN203626798U (en) | double-channel gas-liquid separator | |
| CN206129221U (en) | Temporarily stifled device of oil gas pipe of well head is changed in not kill -job | |
| CN204877379U (en) | Automatically regulated air cock in pit | |
| CN201778787U (en) | Single-spiral centrifugal injection downhole choke | |
| CN204591217U (en) | Ternary composite drive well scraper device | |
| CN202866750U (en) | Big mouth diameter oil-gas extraction wellhead device | |
| CN204357409U (en) | A kind of fluid pressure type can repeat switch waterpower spray gun | |
| CN202338280U (en) | Central pipe type integral oil discharger | |
| CN203584324U (en) | Optimization device of gas locking oil well production tubular column of electric submersible pump | |
| CN115387751B (en) | Downhole reverse rotational flow opposite-impact cavitation device | |
| CN211851808U (en) | Oil development fracturing fluid injection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |