CN209501020U - A kind of down-hole jet stream operation high pressure anti-blockage filter - Google Patents
A kind of down-hole jet stream operation high pressure anti-blockage filter Download PDFInfo
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- CN209501020U CN209501020U CN201921238345.5U CN201921238345U CN209501020U CN 209501020 U CN209501020 U CN 209501020U CN 201921238345 U CN201921238345 U CN 201921238345U CN 209501020 U CN209501020 U CN 209501020U
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- filter core
- outer cylinder
- filter
- slot
- high pressure
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Abstract
The utility model discloses a kind of down-hole jet stream operation high pressure anti-blockage filters, belong to oil exploitation field of tool more particularly to a kind of down-hole jet stream operation high pressure anti-blockage filter.Solve the problems, such as that major part solid particle is easy the high-voltage water jet device that blocking section connects when high-pressure filteration pipe nipple filtering fluid in the prior art.The embodiment of the utility model: including filter core outer cylinder stem connector and filter core outer cylinder, filter core is provided in filter core outer cylinder, filter core outer cylinder pigtail connection internal cross section size is less than filter core cross section size, is provided with several slots on filter core.The slot design that the filter core of the utility model uses, the width of slot is very small, prevents the high-voltage water jet device of most of solid particle blocking connection.
Description
Technical field
The utility model belongs to oil exploitation field of tool more particularly to a kind of down-hole jet stream operation high pressure anti-blocking filtering
Device.
Background technique
Coiled tubing (Coi led tubing) is the tubing made of low-carbon alloy steel, has good flexibility, also known as scratches
Property oil pipe, the long several kms of a roll of coiled tubing.It can replace conventional oil pipe and carry out many operations, continuous oil pipe operation equipment has
Operating Pressure, continuous the characteristics of removing, equipment volume is small, and duty cycle is fast, and at low cost, originally coiled tubing is used as economical and effective
Pit shaft cleaning tool, won place on the market.The income of well workover and completion practice accounts for continuous oil pipe operation
75% or more of total income, application range continuous enlargement of the coiled tubing in each oil gas field in the world.
Currently, needing to use high-pressure rotary spray head, routine work process in jet wash operation in coiled tubing technique
Middle filter device is typically placed between the inlet of pump truck or the pump of Operation Tubing Aggregate and roller, coiled tubing both domestic and external
Vehicle generally uses high-pressure filteration pipe nipple, and high-pressure filteration pipe nipple is typically mounted between pump and roller, enters coiled tubing for filtering
Liquid, to prevent impurity in fluid from blocking or damage downhole tool.
In the prior art, the automobile-used high-pressure filteration pipe nipple of coiled tubing, high-pressure filteration pipe nipple are mounted between pump and roller, no
The impurity between roller and downhole tool in coiled tubing, major part solid when high-pressure filteration pipe nipple filters fluid can be filtered out
Grain is easy the high-voltage water jet device of blocking connection.
Utility model content
Major part solid particle is easy the height of blocking section connection when filtering fluid for high-pressure filteration pipe nipple in the prior art
The problem of pressure water jet device, the utility model provide a kind of down-hole jet stream operation high pressure anti-blockage filter, its object is to:
The slot design that filter core uses, the width of slot is very small, prevents the high-pressure water jet dress of most of solid particle blocking connection
It sets.
The technical solution adopted in the utility model is as follows:
A kind of down-hole jet stream operation high pressure anti-blockage filter, including filter core outer cylinder stem connector, the filter core outer cylinder are first
Portion's connector is connected with filter core outer cylinder, is provided with filter core in the filter core outer cylinder, the filter core include end filter core, intermediate filter core and
Tail portion filter core, the filter core outer cylinder are connected with filter core outer cylinder pigtail connection, the filter far from one end of filter core outer cylinder stem connector
Cross-sectional area inside core outer cylinder pigtail connection is less than filter core cross-sectional area, is provided with several slots, institute on the filter core
The rectilinear direction for stating slot is parallel with the axial direction of filter core.
Using this scheme, it is provided with screw thread on filter core outer cylinder stem connector, is provided with screw thread on filter core outer cylinder, outside filter core
Cylinder stem connector is connected through a screw thread with filter core outer cylinder, and medial end portions filter core, intermediate filter core and tail portion filter core are mutual by screw thread
It connects, is provided with several slots on filter core, the width of slot is very small, enters to prevent most of solid particle from passing through slot
Next step, to damage downhole tool, this filter device transfers to pit shaft together with tool, as far as possible close to high pressure nozzle
Outlet makes it have better filter effect, and can filter out the impurity between roller and downhole tool in coiled tubing prevents from blocking
Nozzle, while several slots can prevent from causing whole device to block because blocking occurs for certain slot, make the course of work
It is more stable.
Wherein, multiple annular outer walls are provided on the outer wall of the filter core, the filter core is fixedly connected with annular outer wall, institute
It states and is provided with multiple diversion trenches on annular outer wall, the rectilinear direction of the diversion trench is parallel with slot, the table of the annular outer wall
The inner wall of face and filter core outer cylinder cooperates, and the tail portion of the tail portion filter core is provided with several catchment ports.
Using this scheme, annular outer wall uses wear-resistant material commonly used in the art, is connect by being fixedly connected with filter core,
Multiple diversion trenches parallel with slot are provided on annular outer wall, the setting direction of diversion trench can change fluid in filter
Flow direction prevents fluid from random motion and preventing the collision dissipation energy of fluid Yu filter inner wall in filter, is arranged
Diversion trench moves fluid according to the direction of regulation, reduces the resistance through the filter, has the effect of energy-efficient.
Wherein, 15 diversion trenches are provided on the annular outer wall, the diversion trench is placed equidistant with.
Using this scheme, flow of the fluid within the unit time can be increased by the way that multiple diversion trenches are arranged, it is therefore prevented that
Pressure of the fluid to filter.
Wherein, 10 slots are provided on the filter core, the slot is placed equidistant with.
Using this scheme, by the way that multiple slots are arranged on filter core, can prevent from occurring because of certain slot and filter
When blocking, whole device is caused to block, improve the serious forgiveness of whole device, ensure that the normal operation of device.
Wherein, the width of the slot is 0.15mm-0.25mm.
Using this scheme, the width by the way that slot is arranged can determine slot to the degree of filtration of impurity, slot
Width is smaller, i.e., slot can filter out more impurity.
Wherein, the tail portion of the filter core outer cylinder stem connector is provided with several grooves, and the groove is contacted with filter core outer cylinder,
Sealing ring is provided in the groove.
Using this scheme, the tail portion of filter core outer cylinder stem connector contacted with filter core outer cylinder contact face be provided with 10 it is recessed
Slot is provided with sealing ring in groove, has when sealing ring is compressed and restores deformation elastic force, and compressed sealing ring is filled with filter core
Gap between outer cylinder stem connector and filter core outer cylinder, it is therefore prevented that the leakage contribution filter effect of fluid.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1. prevent most of solid particle from entering next step by slot, so that downhole tool is damaged, this filter device
Pit shaft is transferred to together with tool, is made it have better filter effect close to high pressure nozzle outlet as far as possible, can be filtered out
Impurity between roller and downhole tool in coiled tubing prevents plug nozzle, while several slots can be prevented because of certain slot
Blocking occurs and whole device is caused to block, keeps the course of work more stable.
2. annular outer wall uses wear-resistant material commonly used in the art, it is connect by being fixedly connected with filter core, on annular outer wall
Multiple diversion trenches parallel with slot are provided with, the setting direction of diversion trench can change the flow direction of fluid in filter, prevent
Fluid random motion and prevents the collision dissipation energy of fluid Yu filter inner wall in filter, and setting diversion trench makes to flow
Body is moved according to the direction of regulation, reduces the resistance through the filter, has the effect of energy-efficient.
3. flow of the fluid within the unit time can be increased by the way that multiple diversion trenches are arranged, it is therefore prevented that fluid is to filter
Pressure.
4. when can prevent from blocking because of certain slot and filter, being caused by the way that multiple slots are arranged on filter core
Whole device blocks, and improves the serious forgiveness of whole device, ensure that the normal operation of device.
5. can determine slot to the degree of filtration of impurity by the width of setting slot, the width of slot is smaller, i.e.,
Slot can filter out more impurity.
6. the face that the tail portion of filter core outer cylinder stem connector contacts contact with filter core outer cylinder is provided with 10 grooves, set in groove
It is equipped with sealing ring, has when sealing ring is compressed and restores deformation elastic force, compressed sealing ring is filled with filter core outer cylinder stem and connects
Gap between head and filter core outer cylinder, it is therefore prevented that the leakage contribution filter effect of fluid.
Detailed description of the invention
The utility model will illustrate by example and with reference to the appended drawing, in which:
Fig. 1 is utility model diagram.
Fig. 2 is filter core outer cylinder schematic diagram.
Fig. 3 is filter core outer cylinder stem connector schematic diagram.
Fig. 4 is filter core schematic diagram.
Fig. 5 is end filter core schematic diagram.
Fig. 6 is middle part filter core schematic diagram.
Fig. 7 is tail portion filter core schematic diagram.
It is indicated in figure: 1- filter core outer cylinder stem connector, 2- filter core outer cylinder, 3- groove, the end 4- filter core, the middle part 5- filter core,
The tail portion 6- filter core, 7- annular outer wall, 8- catchment port, 9- diversion trench, 10- slot.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
It elaborates below with reference to Fig. 1-Fig. 7 to the utility model.
A kind of down-hole jet stream operation high pressure anti-blockage filter, including filter core outer cylinder stem connector 1, the filter core outer cylinder are first
Portion's connector 1 is connected with filter core outer cylinder 2, and filter core is provided in the filter core outer cylinder 2, and the filter core includes end filter core 4, intermediate filter
Core 5 and tail portion filter core 6, the filter core outer cylinder 2 are connected with filter core outer cylinder tail portion far from one end of filter core outer cylinder stem connector 1 and connect
Head, the cross-sectional area inside the filter core outer cylinder pigtail connection are less than filter core cross-sectional area, are provided with number on the filter core
Slot 10, the rectilinear direction of the slot 10 are parallel with the axial direction of filter core.
It is provided with screw thread on filter core outer cylinder stem connector 1, screw thread, filter core outer cylinder stem connector 1 are provided on filter core outer cylinder 2
It is connected through a screw thread with filter core outer cylinder 2, medial end portions filter core 4, intermediate filter core 5 and tail portion filter core 6 are connected with each other by screw thread, filter
Several slots 10 are provided on core, the width of slot 10 is very small, to prevent most of solid particle from entering by slot 10
Next step, to damage downhole tool, this filter device transfers to pit shaft together with tool, as far as possible close to high pressure nozzle
Outlet makes it have better filter effect, and can filter out the impurity between roller and downhole tool in coiled tubing prevents from blocking
Nozzle, while several slots 10 can prevent from causing whole device to block because blocking occurs for certain slot, make worked
Cheng Gengjia stablizes.
Multiple annular outer walls 7 are provided on the outer wall of the filter core, the filter core is fixedly connected with annular outer wall 7, described
Multiple diversion trenches 9 are provided on annular outer wall 7, the rectilinear direction of the diversion trench 9 is parallel with slot 10, the annular outer wall 7
Surface and filter core outer cylinder 2 inner wall cooperate, the tail portion of the tail portion filter core is provided with several catchment ports 8.
Annular outer wall 7 uses wear-resistant material commonly used in the art, is connect by being fixedly connected with filter core, on annular outer wall 7
Multiple diversion trenches 9 parallel with slot 10 are provided with, the setting direction of diversion trench 9 can change the flow direction of fluid in filter,
It prevents fluid from random motion and preventing the collision dissipation energy of fluid Yu filter inner wall in filter, diversion trench is set
9 move fluid according to the direction of regulation, reduce the resistance through the filter, have the effect of energy-efficient.
15 diversion trenches 9 are provided on annular outer wall 7, the diversion trench 9 is placed equidistant with.
Multiple diversion trenches 9, which are arranged, can increase flow of the fluid within the unit time, it is therefore prevented that pressure of the fluid to filter
Power.
10 slots 10 are provided on filter core, the slot 10 is placed equidistant with.
Multiple slots 10 are set on filter core, when can prevent from blocking because of certain slot 10 and filter, are caused whole
A device blocks, and improves the serious forgiveness of whole device, ensure that the normal operation of device.
The width of slot 10 is 0.15mm-0.25mm.
The width that slot 10 is arranged can determine slot to the degree of filtration of impurity, and the width of slot 10 is smaller, that is, cuts
Seam 10 can filter out more impurity.
The tail portion of filter core outer cylinder stem connector 1 is provided with several grooves 3, and the groove 3 is contacted with filter core outer cylinder 2, described
Sealing ring is provided in groove 3.
The face that the tail portion of filter core outer cylinder stem connector 1 contacts contact with filter core outer cylinder 1 is provided with 10 grooves 3, in groove 3
It is provided with sealing ring, has when sealing ring is compressed and restores deformation elastic force, compressed sealing ring is filled with filter core outer cylinder stem
Gap between connector 1 and filter core outer cylinder 2, it is therefore prevented that the leakage contribution filter effect of fluid.
The specific embodiment of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
The limitation to the application protection scope therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, under the premise of not departing from technical scheme design, various modifications and improvements can be made, these belong to this
The protection scope of application.
Claims (6)
1. a kind of down-hole jet stream operation high pressure anti-blockage filter, which is characterized in that including filter core outer cylinder stem connector (1), institute
It states filter core outer cylinder stem connector (1) to be connected with filter core outer cylinder (2), is provided with filter core, the filter core packet in the filter core outer cylinder (2)
End filter core (4), intermediate filter core (5) and tail portion filter core (6) are included, the filter core outer cylinder (2) is far from filter core outer cylinder stem connector (1)
One end be connected with filter core outer cylinder pigtail connection, the cross-sectional area inside the filter core outer cylinder pigtail connection be less than filter core it is transversal
Face area, several slots (10) are provided on the filter core, and the rectilinear direction of the slot (10) and the axial direction of filter core are flat
Row.
2. a kind of down-hole jet stream operation high pressure anti-blockage filter according to claim 1, which is characterized in that the filter core
Outer wall on be provided with multiple annular outer walls (7), the filter core is fixedly connected with annular outer wall (7), on the annular outer wall (7)
It is provided with multiple diversion trenches (9), the rectilinear direction of the diversion trench (9) is parallel with slot (10), the table of the annular outer wall (7)
The inner wall of face and filter core outer cylinder (2) cooperates, and the tail portion of the tail portion filter core is provided with several catchment ports (8).
3. a kind of down-hole jet stream operation high pressure anti-blockage filter according to claim 2, which is characterized in that the annular
15 diversion trenches (9) are provided on outer wall (7), the diversion trench (9) is placed equidistant with.
4. a kind of down-hole jet stream operation high pressure anti-blockage filter according to claim 1, which is characterized in that the filter core
On be provided with 10 slots (10), the slot (10) is placed equidistant with.
5. a kind of down-hole jet stream operation high pressure anti-blockage filter according to claim 1, which is characterized in that the slot
(10) width is 0.15mm-0.25mm.
6. a kind of down-hole jet stream operation high pressure anti-blockage filter according to claim 1, which is characterized in that the filter core
The tail portion of outer cylinder stem connector (1) is provided with several grooves (3), and the groove (3) contacts with filter core outer cylinder (2), the groove
(3) sealing ring is provided in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921238345.5U CN209501020U (en) | 2019-08-01 | 2019-08-01 | A kind of down-hole jet stream operation high pressure anti-blockage filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921238345.5U CN209501020U (en) | 2019-08-01 | 2019-08-01 | A kind of down-hole jet stream operation high pressure anti-blockage filter |
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| Publication Number | Publication Date |
|---|---|
| CN209501020U true CN209501020U (en) | 2019-10-18 |
Family
ID=68189296
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921238345.5U Active CN209501020U (en) | 2019-08-01 | 2019-08-01 | A kind of down-hole jet stream operation high pressure anti-blockage filter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113719687A (en) * | 2021-08-30 | 2021-11-30 | 中国航发贵阳发动机设计研究所 | Large-flow fuel filtering and sealing structure |
-
2019
- 2019-08-01 CN CN201921238345.5U patent/CN209501020U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113719687A (en) * | 2021-08-30 | 2021-11-30 | 中国航发贵阳发动机设计研究所 | Large-flow fuel filtering and sealing structure |
| CN113719687B (en) * | 2021-08-30 | 2022-11-08 | 中国航发贵阳发动机设计研究所 | Large-flow fuel filtering and sealing structure |
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