CN209195699U - The sand control pipe of submersible screw pump - Google Patents
The sand control pipe of submersible screw pump Download PDFInfo
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- CN209195699U CN209195699U CN201821199263.XU CN201821199263U CN209195699U CN 209195699 U CN209195699 U CN 209195699U CN 201821199263 U CN201821199263 U CN 201821199263U CN 209195699 U CN209195699 U CN 209195699U
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- sand control
- cutting seam
- seam sieve
- hole
- control pipe
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Abstract
The utility model discloses a kind of sand control pipes of submersible screw pump, belong to oil field equipment field.Described device includes: outlet tube (100), sealing ring (200) and cutting seam sieve tube (300), fluid hole (110) are provided on outlet tube (100), it is provided on cutting seam sieve tube (300) through-hole (310), and first end (320) sealing of cutting seam sieve tube (300)；The first end (120) of outlet tube (100) is connect with the second end (330) of the cutting seam sieve tube (300), and the second end (130) of outlet tube (100) is connected to motor；Sealing ring (200) is set on the position in outlet tube (100) and cutting seam sieve tube (300) between fluid hole (110) and through-hole (310).The sand control process of sand control pipe provided by the utility model is more efficiently and controllable, and the cleaning process of the sand control pipe is relatively simple, time saving and energy saving.
Description
Technical field
The utility model relates to oil field equipment field more particularly to a kind of sand control pipes of submersible screw pump.
Background technique
Submersible screw pump is a kind of novel rodless pump lifting oil production equipment, and submersible screw pump mainly utilizes the side of down-hole drive
Formula is recovered the oil, and under this oil production method, can be arranged in the lower section of the submersible screw pump under oil well can drive submersible screw
Pump the motor operated.When production, motor drives the screw rod in submersible screw pump to carry out low-speed running, low speed by shaft coupling
Well liquid under oil well is sucked out the screw rod of operating, and flows up well liquid constantly.During well liquid flows up, can first it flow
Through motor, ground then is lifted under the action of submersible screw pump again.
The sand content in well liquid under oil well is usually relatively high, and submersible screw pump is generally only suitable for 3% to well liquid
Sand content, when the sand content in well liquid is higher than 3%, the gravel in well liquid can accelerate screw rod and screw rod periphery in submersible screw pump
Bushing abrasion, reduce pump efficiency, shorten the service life of submersible screw pump, when serious also will cause pump card.
Currently, when carrying out sand control to submersible screw pump, mainly by directly being installed in the suction inlet of submersible screw pump
Matched sand grid stops the gravel in well liquid to enter in submersible screw pump with this.
However, submersible screw pump is during prolonged use, what sand grid mounted thereto was easy to arrive by blocking
Gravel excessive accumulation and block, thus can hinder submersible screw pump draw well liquid process.In addition, accumulated on sand grid
When gravel is excessive, needs artificial disassembly, cleaning sand grid and install again, it is time-consuming and laborious.
Utility model content
The utility model provides a kind of sand control pipe of submersible screw pump, can solve the anti-of sand grid in the related technology
The problem that sand effect is poor and cleaning is difficult.The technical solution is as follows:
On the one hand, a kind of sand control pipe of submersible screw pump is provided, the sand control pipe includes: outlet tube, sealing ring
And cutting seam sieve tube, fluid hole is provided on the outlet tube, is provided with through-hole on the cutting seam sieve tube, and the cutting seam sieve tube
First end sealing；
The first end of the outlet tube is connect with the second end of the cutting seam sieve tube, and the second end of the outlet tube is equipped with public affairs
Screw buckle, the male thread button are connect with the bottom with motor, and the motor is for driving submersible screw pump；
The seal ring set be located in the outlet tube and the cutting seam sieve tube be located at the fluid hole and the through-hole it
Between position on；
The quantity of the fluid hole is greater than 1, and the fluid hole is arranged in the wall of the outlet tube in the form of multiple lines and multiple rows
On face.
Optionally, the sand control pipe further includes support ring, is arranged on the inner wall of the sealing ring fluted；
The support ring be set in the outlet tube and the cutting seam sieve tube be located at the fluid hole and the through-hole it
Between position on, and the support ring is located in the groove.
Optionally, the sand control pipe further includes box cupling；
The first end of the outlet tube is connect by the box cupling with the second end of the cutting seam sieve tube.
Optionally, the sand control pipe further includes the first silk plug；
The first end of the cutting seam sieve tube is connect with first silk plug.
Optionally, the sand control pipe further includes tail pipe；
The first end of the tail pipe seals, and the first end of the cutting seam sieve tube is connect with the second end of the tail pipe.
Optionally, the sand control pipe further includes the second silk plug；
The first end of the tail pipe is connect with second silk plug.
Optionally, the sealing ring is leather cup.
Optionally, the quantity of the sealing ring is greater than 1.
Optionally, the quantity of the fluid hole is greater than 1.
Optionally, the quantity of the through-hole is greater than 1.
Technical solution provided by the utility model can at least bring it is following the utility model has the advantages that
The sand control pipe of submersible screw pump includes outlet tube, sealing ring and cutting seam sieve tube, is provided with fluid hole on outlet tube,
Through-hole, and the first end sealing of cutting seam sieve tube are provided on cutting seam sieve tube.The first end of outlet tube and the second end of cutting seam sieve tube
Connection, the second end of outlet tube are connected to motor, and motor is for driving submersible screw pump.Seal ring set is located at outlet tube and slot
On position in screen casing between fluid hole and through-hole.When carrying out sand control to submersible screw pump using the sand control pipe, dive
The screw rod of screwrod pump carries out low-speed running under the drive of the motor, and the well liquid under oil well is sucked out the screw rod of low-speed running, and
Flow up well liquid constantly.Due to sealing ring in outlet tube and cutting seam sieve tube between fluid hole and through-hole position with
Annular space between oil well casing is insulated, so well liquid can be entered in cutting seam sieve tube by through-hole, well liquid at this time
In gravel oil well bottom is settled down under the filtering of through-hole.Pipe internal channel of the filtered well liquid in cutting seam sieve tube and outlet tube
Flowing is continued up, is flowed out to by fluid hole in the annular space between the outer wall of outlet tube and the inner wall of oil well casing, and
It continues up and flows into submersible screw pump, be then lifted to ground under the action of submersible screw pump again.The sand control pipe can be with
Realize the sand control to submersible screw pump, and sand controlling result is preferable.In addition, when the through-hole of cutting seam sieve tube or the fluid hole quilt of outlet tube
When gravel blocks, flushing fluid can be injected into fluid hole and fluid hole and through-hole are backwashed, to realize to the sand-proof pipe
The cleaning of column, the cleaning process is time saving and energy saving, and can be with Extended Pump Detection Period.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the sand control pipe of the first submersible screw pump provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of the sand control pipe of second of submersible screw pump provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram of the sand control pipe of the third submersible screw pump provided by the embodiment of the utility model；
Fig. 4 is the structural schematic diagram of the sand control pipe of the 4th kind of submersible screw pump provided by the embodiment of the utility model；
Fig. 5 is a kind of structural schematic diagram of first silk plug provided by the embodiment of the utility model.
Fig. 6 is the structural schematic diagram of the sand control pipe of the 5th kind of submersible screw pump provided by the embodiment of the utility model；
Fig. 7 is the structural schematic diagram of the sand control pipe of the 6th kind of submersible screw pump provided by the embodiment of the utility model；
Appended drawing reference:
100: outlet tube, 110: fluid hole, 120: the first end of outlet tube, 130: the second end of outlet tube, 200: sealing
Ring, 300: cutting seam sieve tube, 310: through-hole, 320: the first end of cutting seam sieve tube, 330: the second end of cutting seam sieve tube, 400: support
Ring, 500: box cupling, 600: the first silk plugs, 610: fastener, 620: plug, 700: tail pipe, 710: the first end of tail pipe, 720: tail
The second end of pipe, 800: the second silk plugs.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
Fig. 1 is a kind of structural schematic diagram of the sand control pipe of submersible screw pump provided by the embodiment of the utility model.Referring to
Fig. 1, the sand control pipe include: outlet tube 100, sealing ring 200 and cutting seam sieve tube 300, are provided with fluid hole on outlet tube 100
110, through-hole 310 is provided on cutting seam sieve tube 300, and the first end 320 of cutting seam sieve tube 300 seals；The first end of outlet tube 100
120 connect with the second end 330 of cutting seam sieve tube 300, and the second end 130 of outlet tube 100 is connected to motor, and motor is latent for driving
Screwrod pump；Sealing ring 200 is set in outlet tube 100 and cutting seam sieve tube 300 between fluid hole 110 and through-hole 310
On position.
It should be noted that outlet tube 100 is the pipeline for transporting the well liquid in oil well, it can be born in oil well
The pressure that well liquid is generated by flowing.Male thread button has can be set in the second end 130 of outlet tube 100, is used for and driving latent oil
The bottom of the motor of screw pump connects, and the diameter of outlet tube 100 can be configured according to use demand, for example, outlet tube 100
Diameter can be 76mm (millimeter), 77mm etc..Shape, quantity and the arrangement mode for the fluid hole 110 being arranged on outlet tube 100
Etc. can be configured according to use demand, for example, the shape of fluid hole 110 can be circle, ellipse etc.；Fluid hole 110
Quantity can be greater than 1, such as can be 12,18；Arrangement mode can be to be arranged, such as in the form of multiple lines and multiple rows
It can be to be arranged in the form of 3 rows 4 column, 3 rows 6 column etc..
In addition, sealing ring 200 is the component for sealing, can be made of flexible material.Sealing ring 200
Type, quantity and size etc. can be configured according to use demand.For example, sealing ring 200 can be rubber cup, rubber
Circle etc.；The quantity of sealing ring 200 can be greater than 1, such as can be 2,3；The internal diameter of sealing ring 200 can be with outlet tube 100
And the outer diameter at the position in cutting seam sieve tube 300 between fluid hole 110 and through-hole 310 is close, and the outer diameter of sealing ring 200 can
To approach with the internal diameter of the oil well casing where submersible screw pump, such as the outer diameter of sealing ring 200 can be 130mm, 131mm.
In the utility model embodiment, sealing ring 200 be folded in oil well casing and outlet tube 100 and cutting seam sieve tube 300 it
Between, and the outer wall of sealing ring 200 can be tightly attached on the inner wall of oil well casing, the inner wall of sealing ring 200 can be tightly attached to out liquid
On the outer wall at the position in pipe 100 and cutting seam sieve tube 300 between fluid hole 110 and through-hole 310, sealing ring 200 has at this time
There is packing effect.During extracting well liquid using submersible screw pump, well liquid is flowed up from oil well bottom, due to sealing ring
Position between fluid hole 110 and through-hole 310 and between oil well casing in 200 pairs of outlet tubes 100 and cutting seam sieve tube 300
Annular space is insulated, so well liquid continues after being entered in cutting seam sieve tube 300 by the through-hole 310 of cutting seam sieve tube 300
It flows up.
Furthermore cutting seam sieve tube 300 is the tubular element for being mainly used to sand control in oil recovery process, the through-hole being arranged thereon
310 for filtering the gravel in well liquid.Shape, quantity and the arrangement mode of through-hole 310 can be carried out according to the sand content of well liquid
It presets, the utility model embodiment is not specifically limited in this embodiment.For example, the shape of through-hole 310 can be rectangle, pros
Shape etc.；The quantity of through-hole 310 can be greater than 1, such as can be 100,200；The arrangement mode of through-hole 310 can be more with multirow
The form of column is arranged, such as can be arranged to be arranged by 10 rows 20, in the form of 20 rows 20 column.During extracting well liquid,
Due to cutting seam sieve tube 300 first end 320 seal, so well liquid be first pass through through-hole 310 and after the filtering of through-hole 310 again
Into in cutting seam sieve tube 300, rather than directly enter in cutting seam sieve tube 300 from the first end 320 of cutting seam sieve tube 300.
When the sand control pipe using the submersible screw pump carries out sand control to submersible screw pump, the screw rod of submersible screw pump exists
Low-speed running is carried out under the driving of motor, the well liquid under oil well is sucked out the screw rod of low-speed running, and makes well liquid constantly to upstream
It is dynamic.Under the packing effect of sealing ring 200, enter cutting seam sieve tube after the filtering that well liquid passes through the through-hole 310 of cutting seam sieve tube 300
In 300, filtered well liquid continues up flowing in the pipe internal channel of cutting seam sieve tube 300 and outlet tube 100, by outlet tube
Fluid hole 110 on 100 flows out in the annular space between the outer wall of outlet tube 100 and the inner wall of oil well casing, and continues
It flows upwardly into submersible screw pump, is then lifted to ground under the action of submersible screw pump again.
Sand content in well liquid is higher or sand control pipe using in time longer situation, it is possible that slot sieves
The case where fluid hole 110 in through-hole 310 or outlet tube 100 on pipe 300 is blocked by gravel, at this point it is possible to outlet tube 100
Fluid hole 110 inject flushing fluid fluid hole 110 and through-hole 310 backwashed, to realize cleaning to the sand control pipe.
Specifically, flushing fluid can be injected into fluid hole 110, the flushing fluid injected, which can be washed away and be carried, is blocked in fluid hole 110
In gravel flowed down in cutting seam sieve tube 300 along the pipe internal channel of outlet tube 100, when the flushing fluid of injection is more,
Flushing fluid can accumulate in cutting seam sieve tube 300, and the flushing fluid of accumulation can flow out cutting seam sieve tube 300 by through-hole 310, at this moment, block up
The gravel filled in through-hole 310 can flow into together oil well bottom with flushing fluid, complete in this way to the clear of the sand control pipe
It washes.
It is worth noting that since the shape of cutting seam sieve tube 300 is tubulose, the surface area ratio of the outer wall of cutting seam sieve tube 300
It is larger namely larger with the contact area of well liquid.During submersible screw pump extracts well liquid, cutting seam sieve tube in the unit time
300 may be implemented to be filtered the well liquid of larger flow.Also, shape, quantity and the row of the through-hole 310 of cutting seam sieve tube 300
Column mode can be preset, and to meet the filtration needs to the well liquid of different sand content, thus pass through the sand control pipe
Sand control is carried out to submersible screw pump, sand control process can be made highly efficient and controllable.In addition, working as the sand-proof pipe of submersible screw pump
When the through-hole 310 or the fluid hole 110 in outlet tube 100 of cutting seam sieve tube 300 in column are blocked by gravel, it can use to out
The mode of injection flushing fluid realizes the backwash to fluid hole 110 and through-hole 320 in fluid apertures 110, to reach to the sand-proof pipe
The purpose that column is cleaned, the cleaning process is time saving and energy saving, and can be with Extended Pump Detection Period.
Further, in order to enhance in outlet tube 100 and cutting seam sieve tube 300 between fluid hole 110 and through-hole 310
Position and sealing ring 200 between frictional force.Referring to fig. 2, the sand control pipe of submersible screw pump can also include support ring
400.Be arranged on the inner wall of sealing ring 200 it is fluted, support ring 400 be set in outlet tube 100 and cutting seam sieve tube 300 be located at
On position between fluid apertures 110 and through-hole 310, and support ring 400 is located in groove.
It should be noted that size mutual of the groove being arranged on the inner wall of the size of support ring 400 and sealing ring 200
Match.Position in the inner wall and outlet tube 100 and cutting seam sieve tube 300 of support ring 400 between fluid hole 110 and through-hole 310
Outer wall fit closely, as be located in support ring 400 and outlet tube 100 and cutting seam sieve tube 300 fluid hole 110 and through-hole 310 it
Between position outer wall between can be welded or the internal diameter of support ring 400 and outlet tube 100 and cutting seam sieve tube 300 in
The outer diameter at the position between fluid hole 110 and through-hole 310 can be identical.
It is worth noting that in outlet tube 100 and cutting seam sieve tube 300 between fluid hole 110 and through-hole 310
Support ring 400 is arranged on position can increase in sealing ring 200 and outlet tube 100 and cutting seam sieve tube 300 positioned at fluid hole 110
The frictional force between position between through-hole 310, so that being less prone to during submersible screw pump extracts well liquid due to well
The pressure of liquid is larger and sealing ring 200 is made the case where moving up and down or slipping occur.
Further, in order to which easily outlet tube 100 and cutting seam sieve tube 300 link together, referring to Fig. 3, latent oil spiral shell
The sand control pipe of bar pump can also include box cupling 500.The first end 120 of outlet tube 100 passes through box cupling 500 and cutting seam sieve tube 300
Second end 330 connect.
It should be noted that box cupling 500 is a kind of tubular element containing internal thread, can be used to connect with mutual
The externally threaded pipeline matched.It in this case, can in the first end 120 of outlet tube 100 and the second end 330 of cutting seam sieve tube 300
The external screw thread being mutually matched with the internal screw thread of box cupling 500 is arranged, to realize the first end 120 and box cupling 500 of outlet tube 100
Between threaded connection, and realize cutting seam sieve tube 300 second end 330 and box cupling 500 between threaded connection.
It is worth noting that, in practical application, not only can by box cupling 500 by the first end 120 of outlet tube 100 with cut
The second end 330 of slit screen pipes 300 is attached, can also be otherwise by the first end 120 and slot of outlet tube 100
The second end 330 of screen casing 300 connects, such as can by the first end 120 of outlet tube 100 and the second end 330 of cutting seam sieve tube 300 into
Row welding, or be directly threadedly coupled the first end 120 of outlet tube 100 with the second end 330 of cutting seam sieve tube 300.
Further, in order to more easily seal the first end 320 of cutting seam sieve tube 300, referring to fig. 4, submersible screw pump
Sand control pipe can also include the first silk plug 600.The first end 320 of cutting seam sieve tube 300 is connect with the first silk plug 600.
It should be noted that the first silk plug 600 has fastener 610 and plug 620 referring to Fig. 5, the outer wall of fastener 610 is set
It is equipped with external screw thread, the pipeline for being used for and being provided with the internal screw thread being mutually matched is threadedly coupled to reach the effect of ferrule
Fruit.In this case, the first end 320 of cutting seam sieve tube 300 can be set be mutually matched with the external screw thread of fastener 610 in
Screw thread, to realize the threaded connection between the first end 320 of cutting seam sieve tube 300 and the first silk plug 600.
It is worth noting that, the first silk plug 600 not only can be used to the first end of cutting seam sieve tube 300 in practical application
320 are sealed, can also the first end 320 otherwise to cutting seam sieve tube 300 be sealed, can such as pass through welding
Mode or fill sealing material mode the first end 320 of cutting seam sieve tube 300 is sealed.
Further, for the deposition space for making the gravel in the well liquid entered in cutting seam sieve tube 300 have comparison sufficient, ginseng
See that Fig. 6, the sand control pipe of submersible screw pump can also include tail pipe 700.The first end 710 of tail pipe 700 seals, cutting seam sieve tube
300 first end 320 is connect with the second end 720 of tail pipe 700.
It should be noted that tail pipe 700 is for connection to the tubular element of pipeline, the quantity and material of tail pipe 700 can be with
It is configured according to use demand, the utility model embodiment is not specifically limited in this embodiment.For example, the quantity of tail pipe 700 can be with
Greater than 1, such as it can be 2,3；The material of tail pipe 700 can be stainless steel, alloy etc..
Further, in order to more easily seal the first end 710 of tail pipe 700, referring to Fig. 7, submersible screw pump is prevented
Sandpipe column can also include the second silk plug 800.The first end 710 of tail pipe 700 is connect with the second silk plug 800.
It should be noted that the second silk plug 800 is similar with the structure of the first silk plug 600, the utility model embodiment is to this
It repeats no more.
In addition, in practical application the second silk plug 800 not only can be used, the first end 710 of tail pipe 700 is sealed,
Can also the first end 710 otherwise to tail pipe 700 be sealed, such as can by welding or filling it is close
The mode of closure material is sealed the first end 710 of tail pipe 700.
It is worth noting that in extraction process of the submersible screw pump to well liquid, the well liquid that is extracted by through-hole 310 into
Enter in cutting seam sieve tube 300, at this moment, it is understood that there may be part gravel is not filtered out by through-hole 310 and is deposited in cutting seam sieve tube 300
The case where, in order to avoid the depositing gravel in cutting seam sieve tube 300 it is excessive after the situation in submersible screw pump is easily brought by well liquid, need
The deposition space for making gravel have comparison sufficient in cutting seam sieve tube 300, for this purpose, being sieved in the utility model embodiment in slot
Tail pipe 700 is arranged in the first end 320 of pipe 300, and the first end of tail pipe 700 710 is sealed, and forming one can allow gravel can
The larger space of deposition.Under such circumstances, gravel can be deposited in tail pipe 700, be not easy to be brought into submersible screw pump by well liquid,
So as to reduce the abrasion to submersible screw pump.
In the utility model embodiment, the sand control pipe of submersible screw pump includes: outlet tube 100,200 and of sealing ring
Cutting seam sieve tube 300 is provided with fluid hole 110 on outlet tube 100, through-hole 310, and cutting seam sieve tube is provided on cutting seam sieve tube 300
300 first end 320 seals.The first end 120 of outlet tube 100 is connect with the second end 330 of cutting seam sieve tube 300, outlet tube 100
Second end 130 be connected to motor, motor is for driving submersible screw pump.Sealing ring 200 is set in outlet tube 100 and slot sieve
On position in pipe 300 between fluid hole 110 and through-hole 310.Submersible screw pump is prevented using the sand control pipe
When sand, the screw rod of submersible screw pump carries out low-speed running under the drive of the motor, and the screw rod of low-speed running is by the well liquid under oil well
It is sucked out, and flows up well liquid constantly.Due to sealing ring 200 in outlet tube 100 and cutting seam sieve tube 300 be located at fluid hole
The annular space between position and oil well casing between 110 and through-hole 310 is insulated, so well liquid can pass through through-hole
310 enter in cutting seam sieve tube 300, and the gravel in well liquid is settled down to oil well bottom under the filtering of through-hole 310 at this time.After filtering
Well liquid continue up flowing in the pipe internal channel of cutting seam sieve tube 300 and outlet tube 100, flow out to out liquid by fluid hole 110
It in annular space between the outer wall of pipe 100 and the inner wall of oil well casing, and continues up and flows into submersible screw pump, then again
Ground is lifted under the action of submersible screw pump.The sand control to submersible screw pump may be implemented in the sand control pipe, and sand control is imitated
Fruit is preferable.In addition, when the fluid hole 110 of the through-hole 310 of cutting seam sieve tube 300 or outlet tube 100 is blocked by gravel, it can be to out
Injection flushing fluid backwashes fluid hole 110 and through-hole 310 in fluid apertures 100, should to realize the cleaning to the sand control pipe
Cleaning process is time saving and energy saving, and can be with Extended Pump Detection Period.
Claims (9)
1. a kind of sand control pipe of submersible screw pump, which is characterized in that the sand control pipe includes: outlet tube (100), sealing ring
(200) and cutting seam sieve tube (300) it, is provided with fluid hole (110) on the outlet tube (100), is set on the cutting seam sieve tube (300)
It is equipped with through-hole (310), and first end (320) sealing of the cutting seam sieve tube (300)；
The first end (120) of the outlet tube (100) is connect with the second end (330) of the cutting seam sieve tube (300), the liquid out
The second end (130) for managing (100) is equipped with male thread button, and the male thread button for connecting with the bottom of motor, use by the motor
In driving submersible screw pump；
The sealing ring (200), which is set in the outlet tube (100) and the cutting seam sieve tube (300), is located at the fluid hole
(110) on the position between the through-hole (310)；
The quantity of the fluid hole (110) is greater than 1, and the fluid hole (110) is arranged in the liquid out in the form of multiple lines and multiple rows
On the wall surface for managing (100).
2. sand control pipe as described in claim 1, which is characterized in that the sand control pipe further includes support ring (400), described
It is arranged on the inner wall of sealing ring (200) fluted；
The support ring (400), which is set in the outlet tube (100) and the cutting seam sieve tube (300), is located at the fluid hole
(110) on the position between the through-hole (310), and the support ring (400) is located in the groove.
3. sand control pipe as described in claim 1, which is characterized in that the sand control pipe further includes box cupling (500)；
The second end that the first end (120) of the outlet tube (100) passes through the box cupling (500) and the cutting seam sieve tube (300)
(330) it connects.
4. sand control pipe as described in claim 1, which is characterized in that the sand control pipe further includes the first silk plug (600)；
The first end (320) of the cutting seam sieve tube (300) is connect with first silk plug (600).
5. sand control pipe as described in claim 1, which is characterized in that the sand control pipe further includes tail pipe (700)；
The first end (710) of the tail pipe (700) seals, the first end (320) of the cutting seam sieve tube (300) and the tail pipe
(700) second end (720) connection.
6. sand control pipe as claimed in claim 5, which is characterized in that the sand control pipe further includes the second silk plug (800)；
The first end (710) of the tail pipe (700) is connect with second silk plug (800).
7. the sand control pipe as described in claim 1-6 is any, which is characterized in that the sealing ring (200) is leather cup.
8. the sand control pipe as described in claim 1-6 is any, which is characterized in that the quantity of the sealing ring (200) is greater than 1.
9. the sand control pipe as described in claim 1-6 is any, which is characterized in that the quantity of the through-hole (310) is greater than 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821199263.XU CN209195699U (en) | 2018-07-26 | 2018-07-26 | The sand control pipe of submersible screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821199263.XU CN209195699U (en) | 2018-07-26 | 2018-07-26 | The sand control pipe of submersible screw pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209195699U true CN209195699U (en) | 2019-08-02 |
Family
ID=67403455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821199263.XU Active CN209195699U (en) | 2018-07-26 | 2018-07-26 | The sand control pipe of submersible screw pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209195699U (en) |
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2018
- 2018-07-26 CN CN201821199263.XU patent/CN209195699U/en active Active
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