CN207776845U - Precision control sand dynamic self-cleaning sand-proof screen pipe - Google Patents
Precision control sand dynamic self-cleaning sand-proof screen pipe Download PDFInfo
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- CN207776845U CN207776845U CN201721699841.1U CN201721699841U CN207776845U CN 207776845 U CN207776845 U CN 207776845U CN 201721699841 U CN201721699841 U CN 201721699841U CN 207776845 U CN207776845 U CN 207776845U
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Abstract
Precision control sand dynamic self-cleaning sand-proof screen pipe, including base tube, base tube side opens up several first through hole at two close end, several first through hole positioned at base tube wherein one end are uniformly distributed centered on the central shaft of base tube, motion bar is equipped in first through hole, motion bar can move back and forth along corresponding first through hole axis direction, it is equipped with supporting rod positioned at the outer end of two corresponding motion bars at base tube both ends, supporting rod is parallel with base tube length direction, supporting rod both ends side is fixedly connected with the outer end of corresponding motion bar, several support bar groups are at support aerial drainage layer, support aerial drainage layer is externally wrapped with flexible deformation medium, flexible deformation medium is externally wrapped with accurate sand control net, accurate sand control net is externally wrapped with filter medium, outer protection tube is set with outside filter medium.The features such as the utility model has the self-cleaning anti-blockage capability of dynamic strong, and precision control sand, area of passage are big, and integral strength height and non-deformability are strong, excellent corrosion resistance, high reliability.
Description
Technical field
The utility model belongs to technical field of petroleum extraction, specifically a kind of self-cleaning sand screen of accurate control sand dynamic
Pipe.
Background technology
Sand production is one of oil field development urgent need to solve the problem.The main reason for sand production is that oil reservoir is thin
The cementing sandstone of pine.In addition, in mid-late oilfield development, since long-term injecting water or gas injecting mining also can greatly destroy reservoir bone
Frame causes sand production.Sand preventing tool is mainly cutting seam sieve tube, accurate composite screen pipe, wire-wrapped screen etc. at present, and structure belongs to
Static sand control, the disadvantage that generally existing easily blocks, is perishable, intensity is low；Recently as the increasing of the measures operation such as flushing
Add, sand production is even more serious, and individual sand production median particle sizes are in 100um hereinafter, high-efficiency self-cleaning sand control screen is used for 100um
Sand control below, effect is less desirable, there is a problem of that sand control is not accurate, and for this problem, we are highly dense self-cleaning
Accurate control sand dynamic self-cleaning screen pipe is developed on the basis of sand control screen.
Utility model content
The utility model provides a kind of accurate control sand dynamic self-cleaning sand-proof screen pipe, to solve defect in the prior art.
The utility model is achieved by the following technical programs：
Precision control sand dynamic self-cleaning sand-proof screen pipe, including base tube, it is logical that base tube side opens up several first at two close end
Hole, several first through hole positioned at base tube wherein one end are uniformly distributed centered on the central shaft of base tube, are all provided in first through hole
There are motion bar, motion bar that can move back and forth along corresponding first through hole axis direction, be located at base tube both ends two are corresponding
The outer end of motion bar is equipped with supporting rod, and supporting rod is parallel with base tube length direction, supporting rod both ends side and corresponding activity
The outer end of bar is fixedly connected, and several support bar groups are externally wrapped with flexible deformation medium at support aerial drainage layer, support aerial drainage layer, elasticity
Deformable dielectric is externally wrapped with accurate control sand net, and precision control sand net is externally wrapped with filter medium, outer protection tube is set with outside filter medium,
The both ends of outer protection tube are fixedly connected with the side of base tube by cyclic adapting piece, and base tube side opens up multiple equally distributed second
Through-hole, outer protection tube side open up multiple equally distributed third through-holes, are equipped with inner tube in base tube, inner tube is coaxial with base tube, inner tube
It being fixedly connected with base tube inner wall by several holders, inner tube sides correspond to and open up third through-hole at the position of first through hole, the
The first screw rod is equipped in three through-holes, the first screw rod is flexibly connected with corresponding third through-hole bearing, and the inner face of motion bar is equal
Internal thread hole slot, the outer end of the first screw rod and corresponding internal thread hole slot screw-thread fit are opened up, the inner end of the first screw rod is fixed
First bevel gear is installed, several first bevel gears engage cooperation successively.
Accurate control sand dynamic self-cleaning sand-proof screen pipe as described above, the first screw rod side opens up fourth hole.
Accurate control sand dynamic self-cleaning sand-proof screen pipe as described above, the inner tube both ends are sealing, the both ends of the surface of inner tube
Threaded hole is opened up, the second screw rod of cooperation installation, internal tube is fixed by the connecting rod peace at two close end in threaded hole
Sleeved, sleeve is coaxial with inner tube, and fixed link is installed in cooperation in sleeve, and long clamp bar slot, fixed bar side are opened up on sleeve lining
Inserted block is fixedly mounted in portion, and inserted block is inserted into inside long clamp bar slot, the interior tubular shaft of the outer end of fixed link and corresponding second screw rod
The second bevel gear is fixedly mounted in flexible connection, fixed link inner end, and the second bevel gear can engage cooperation with the first bevel gear.
Control sand dynamic self-cleaning sand-proof screen pipe as described above accurate, the pitch of holes of second through-hole are 75mm, second
The aperture of through-hole is 10mm.
Accurate control sand dynamic self-cleaning sand-proof screen pipe as described above, the flexible deformation medium are connected by hundreds of 0.15mm
Continue continuous stainless steel wire to be process through special process.
Accurate control sand dynamic self-cleaning sand-proof screen pipe as described above, the accurate control sand net use stainless steel, are
Twill weave net.
Control sand dynamic self-cleaning sand-proof screen pipe as described above accurate, the filter medium by 0.10mm ~ 0.15mm not
Become rusty steel wire composition.
Accurate control sand dynamic self-cleaning sand-proof screen pipe as described above, the outer protection tube are made of punching stainless steel plate, open
Porosity is 23.74%.
The utility model has the advantages that：The utility model has the self-cleaning anti-blockage capability of dynamic strong, precision control sand, flow-passing surface
The features such as product is big, and integral strength height and non-deformability are strong, excellent corrosion resistance, high reliability.In process of production, if
The filter medium of screen casing can be subjected to displacement deformation under the effect of external force, and the hypotonic layer of sand that surface is formed can also become
Change, blocked state will be such that screen casing is formed inside and outside by a degree of destruction, when reservoir sand accumulates in filter media surface
Pressure difference △ P (P-P）.Under the action of △ P, filter medium is wriggled inwardly, and hypotonic layer of sand changes, what destruction had been formed
It blocks, then △ P are reduced, filter medium recoverable force.I.e.：Pressure difference-filter medium wriggling-destruction blocking-is built up-formed to sand grains
Pressure difference reduction-new pressure difference-filter medium of filter medium recoverable force-formation newly blocking-foundation is wriggled-destroys again stifled again
Plug.This in cycles during, the outstanding fine particle held in filter medium can also enter in pit shaft, to make screen casing
" self-cleaning " state of holding.Reservoir sand enters accurate control sand stratum reticulare after filter medium sorts, less than the grains of sand of filtering grain size, then
Secondary to carry out sorting filtering, the grains of sand more than filtering grain size are blocked, and the grains of sand less than filtering grain size enter in pipe, realize classification control
Sand.Sand bridge can be formed in filter medium and accurate control sand net, forms combined filtration body.Precision control sand net makes with filter medium cooperation
With rear, precisely control sand requirement can be met and embody " dynamically self-cleaning " performance of anti-blockage.The number of first screw rod is even number,
First flexible deformation medium, accurate control sand net, filter medium all have certain elasticity, by rotating wherein first spiral shell
Bar, under the engagement of the first bevel gear, the first all screw rods starts simultaneously at rotation, the first screw rod and corresponding internal thread
The cooperation of hole slot can drive corresponding motion bar to move, and the motion bar at base tube both ends is simultaneously to the outer end of corresponding first through hole
Movement can increase the spacing of adjacent supporting rod, so as to increase the time of filtration of filter medium and accurate control sand net, instead
Can reduce time of filtration, which can be adjusted with the sizes of the grains of sand in practical service environment according to the present utility model,
Prevent the blindness of sand control.The permeability of filter medium up to darcy more than, the creeping deformation that generates under ambient pressure effect
Colmatation zone can be destroyed, while " self-cleaning " can be kept, in addition filter medium again have certain pollutant carrying capacity, therefore be not easy by
It blocks, the anti-blockage capability of precision control sand dynamic self-cleaning sand-proof screen pipe is substantially better than conventional screen；Precision control sand net uses twill
Braiding structure, intensity is high, can be required according to hole condition, filtering accuracy is arbitrarily arranged, after being used cooperatively with filter medium, can met
Precisely control sand requirement, and " dynamic is self-cleaning " performance of anti-blockage can be embodied；Base tube uses API standard petroleum casing pipe or oil pipe, drilling
Area is about %, and the % or more before tension and the reachable drilling of torsional strength, screen casing is with very high anti-internal pressure（≥psi）With it is anti-
It is outer to squeeze（≥psi）Intensity；Support aerial drainage layer, filter medium and outer protection tube that using stainless steel material, all there is very strong anti-corruption
Erosion ability；Since the utility model is not susceptible to block, fluid will not form rapid flow in regional area, to reduce stream
Body acts on the erosion of screen casing；Suitable for independent sieve tube completion mode, in formation sand median grain diameter（d）More than μm well in
It uses.In use, sand controlling result is substantially better than conventional screen in viscous crude, fine silt and the high well of clay content.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model；Fig. 2 is I partial enlarged view of Fig. 1；Fig. 3 be Fig. 1 A to regarding
The enlarged drawing of figure；Fig. 4 is II partial enlarged view of Fig. 1.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts belong to
The range of the utility model protection.
Precision control sand dynamic self-cleaning sand-proof screen pipe, as shown, including base tube 1,1 side of base tube opens up at two close end
Several first through hole 2, several first through hole 2 positioned at the wherein one end of base tube 1 are uniformly distributed centered on the central shaft of base tube 1,
Motion bar 3 is equipped in first through hole 2, motion bar 3 can move back and forth along 2 axis direction of corresponding first through hole, be located at base tube 1
The outer end of two corresponding motion bars 3 at both ends is equipped with supporting rod 4, and supporting rod 4 is parallel with 1 length direction of base tube, support
4 both ends side of bar is fixedly connected with the outer end of corresponding motion bar 3, and the composition support aerial drainage layer of several supporting rods 4 supports aerial drainage layer
It is externally wrapped with flexible deformation medium 5, flexible deformation medium 5 is externally wrapped with accurate control sand net 6, and precision control sand net 6 was externally wrapped with
Filter medium 7,7 outside of filter medium are set with outer protection tube 8, and the both ends and the side of base tube 1 of outer protection tube 8 are fixed by cyclic adapting piece
Connection, 1 side of base tube open up multiple equally distributed second through-holes 9, and it is logical that 8 side of outer protection tube opens up multiple equally distributed thirds
Hole 10, base tube 1 is interior to be equipped with inner tube 11, and inner tube 11 and base tube 1 are coaxial, and inner tube 11 is fixed by several holders 12 and 1 inner wall of base tube
Connection, 11 side of inner tube correspond to and open up third through-hole 13 at the position of first through hole 2, and the first spiral shell is equipped in third through-hole 13
Bar 14, the first screw rod 14 are flexibly connected with 13 bearing of corresponding third through-hole, and the inner face of motion bar 3 opens up internal thread hole slot
15, the outer end of the first screw rod 14 and corresponding 15 screw-thread fit of internal thread hole slot, the inner end of the first screw rod 14 are fixedly mounted
One bevel gear 16, several first bevel gears 16 engage cooperation successively.The utility model has the self-cleaning anti-blockage capability of dynamic strong, essence
The features such as close control sand, area of passage are big, and integral strength height and non-deformability are strong, excellent corrosion resistance, high reliability.In life
During production, if the filter medium 7 of screen casing can be subjected to displacement deformation, the hypotonic sand that surface is formed under the effect of external force
Layer can also change, blocked state will by a degree of destruction, when reservoir sand accumulates in 7 surface of filter medium,
Screen casing is set to form inside and outside differential pressure △ P (P1-P2）.Under the action of △ P, filter medium 7 is wriggled inwardly, and hypotonic layer of sand becomes
Change, destroy the blocking formed, then △ P are reduced, 7 recoverable force of filter medium.I.e.：Pressure difference-filtering is built up-formed to sand grains
New pressure difference-the filter medium of 7 wrigglings of medium-destruction blocking-pressure difference reduction -7 recoverable forces of filter medium-formation newly blocking-foundation 7
It wriggles-destroys again again and block.This in cycles during, the outstanding fine particle held in filter medium 7 also can
Into in pit shaft, to make screen casing keep " self-cleaning " state.Reservoir sand is less than the sand of filtering grain size after the sorting of filter medium 7
Grain enters accurate 6 layers of control sand net, carries out sorting filtering again, and the grains of sand more than filtering grain size are blocked, and is less than filtering grain size
The grains of sand enter in pipe, realize classification sand control.Sand bridge can be formed in filter medium 7 and accurate control sand net 6, forms combined filtration
Body.After accurate control sand net 6 is used cooperatively with filter medium 7, precisely control sand requirement can be met and embodiment " dynamic is self-cleaning " is anti-
Plugging performance.The number of first screw rod 14 is even number, and the first flexible deformation medium 5, accurate control sand net 6, filter medium 7 all have
Certain elasticity, by rotating wherein first screw rod 14, under the engagement of the first bevel gear 16, the first all spiral shells
Bar 14 starts simultaneously at rotation, and the first screw rod 14 can drive corresponding motion bar 3 to move with the cooperation of corresponding internal thread hole slot 15
Dynamic, the outer end movement of the motion bar 3 at 1 both ends of base tube simultaneously to corresponding first through hole 2 can increase between adjacent supporting rod 4
Away from so as to increase the time of filtration of filter medium 7 and accurate control sand net 6, on the contrary to reduce time of filtration, which can
It is adjusted with the sizes of the grains of sand in practical service environment according to the present utility model, prevents the blindness of sand control.Filter medium
Permeability up to 200 darcies more than, the creeping deformation that generates can destroy colmatation zone under ambient pressure effect, while can protect
" self-cleaning " is held, in addition filter medium has certain pollutant carrying capacity again, therefore is not easy to be blocked, the self-cleaning sand control of precision control sand dynamic
The anti-blockage capability of screen casing is substantially better than conventional screen；Precision control sand net 6 uses twill weave structure, and intensity is high, can be according to well
Condition requirement, is arbitrarily arranged filtering accuracy, after being used cooperatively with filter medium 7, can meet precisely control sand requirement and embody
" dynamic is self-cleaning " performance of anti-blockage；Base tube 1 uses API standard petroleum casing pipe or oil pipe, and drilling area is about 3%, tension and anti-
Intensity is turned round up to 90% or more before drilling, screen casing has very high anti-internal pressure（≥1100psi）It is outer crowded with resisting（≥4000psi）
Intensity；Support aerial drainage layer, filter medium 7 and outer protection tube 8 that using stainless steel material, all there is very strong resistance to corrosion；By
It is not susceptible to block in the utility model, fluid will not form rapid flow in regional area, to reduce fluid to screen casing
Erosion effect；Suitable for independent sieve tube completion mode, in formation sand median grain diameter（d50）Can it make in well more than 50 μm
With.In use, sand controlling result is substantially better than conventional screen in viscous crude, fine silt and the high well of clay content.
Specifically, as shown, 14 side of the first screw rod described in the present embodiment opens up fourth hole 17.Using rod-shaped
Tool be inserted into inside fourth hole 17, can more easily rotate the first screw rod 14 using rod-shaped tool, side
Just staff is supported the adjusting of 4 position of bar.
Specifically, as shown, 11 both ends of inner tube described in the present embodiment are sealing, the both ends of the surface of inner tube 11 open up spiral shell
Pit 18, the second screw rod 19 of cooperation installation, 11 inside of inner tube are fixed by connecting rod 20 at two close end in threaded hole 18
Installation sleeve 21, sleeve 21 and inner tube 11 are coaxial, and fixed link 22 is installed in cooperation in sleeve 21, and strip is opened up on 21 inner wall of sleeve
Inserted block 24 is fixedly mounted in card slot 23,22 side of fixed link, and inserted block 24 is inserted into inside long clamp bar slot 23, the outer end of fixed link 22 with
The interior tubular shaft of corresponding second screw rod 19 is flexibly connected, and the second bevel gear 25, the second umbrella tooth is fixedly mounted in 22 inner end of fixed link
Wheel 25 can engage cooperation with the first bevel gear 16.The position of the second bevel gear 25 can be adjusted by rotating the second screw rod 19, is adjusted
Behind the position for having saved supporting rod 4, the second bevel gear 25 is made to be engaged with the first bevel gear 16, because of inserted block 24 and long clamp bar slot 23
Cooperation can prevent the second bevel gear 25 from rotating, and the first bevel gear 16 can be carried out locking by the second bevel gear 25, make first
Bevel gear 16 cannot rotate, to ensure that 4 position of supporting rod is fixed.
Further, as shown, the pitch of holes of the second through-hole 9 described in the present embodiment is 75mm, the hole of the second through-hole 9
Diameter is 10mm.The design can both ensure the smooth circulation of oil, it can also be ensured that the intensity of base tube 1.
Further, as shown, the flexible deformation medium 5 described in the present embodiment is successive by hundreds of 0.15mm
Stainless steel wire be process through special process.5 tensile strength of flexible deformation medium is more than 1600MPa, has very high elasticity.
Further, it as shown, the accurate control sand net 6 described in the present embodiment uses stainless steel, is compiled for twill
Knitmesh.Precision control sand 6 string diameters of net are thicker, and intensity is high.
Further, as shown, filter medium 7 described in the present embodiment by 0.10mm ~ 0.15mm stainless steel wire
Composition.The design makes the tensile strength of filter medium 7 be 400 ~ 800MPa, and deformation is susceptible under the action of pressure difference and is wriggled.
Further, as shown, the outer protection tube 8 described in the present embodiment is made of punching stainless steel plate, percent opening is
23.74% .The design can accomplish that while protecting filter medium internal pressure can also be born.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It still can be with technical scheme described in the above embodiments is modified, or is carried out to which part technical characteristic etc.
With replacement；And these modifications or replacements, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (8)
1. precision control sand dynamic self-cleaning sand-proof screen pipe, it is characterised in that：Including base tube（1）, base tube（1）Side is equal at two close end
Open up several first through hole（2）, it is located at base tube（1）Wherein several first through hole of one end（2）With base tube（1）Central shaft be
The heart is uniformly distributed, first through hole（2）Inside it is equipped with motion bar（3）, motion bar（3）It can be along corresponding first through hole（2）Axis side
To moving back and forth, it is located at base tube（1）Two corresponding motion bars at both ends（3）Outer end be equipped with supporting rod（4）, supporting rod
（4）With base tube（1）Length direction is parallel, supporting rod（4）Both ends side and corresponding motion bar（3）Outer end be fixedly connected, number
Root supporting rod（4）Composition support aerial drainage layer, support aerial drainage layer are externally wrapped with flexible deformation medium（5）, flexible deformation medium（5）Outside
The accurate control sand net of portion's winding（6）, precision control sand net（6）It is externally wrapped with filter medium（7）, filter medium（7）The outer shield of outside suit
Pipe（8）, outer protection tube（8）Both ends and base tube（1）Side be fixedly connected by cyclic adapting piece, base tube（1）Side opens up more
A equally distributed second through-hole（9）, outer protection tube（8）Side opens up multiple equally distributed third through-holes（10）, base tube（1）It is interior
Equipped with inner tube（11）, inner tube（11）With base tube（1）Coaxially, inner tube（11）Pass through several holders（12）With base tube（1）Inner wall is fixed
Connection, inner tube（11）Side corresponds to first through hole（2）Position at open up third through-hole（13）, third through-hole（13）Inside it is all provided with
There is the first screw rod（14）, the first screw rod（14）With corresponding third through-hole（13）Bearing is flexibly connected, motion bar（3）Inner face
Open up internal thread hole slot（15）, the first screw rod（14）Outer end and corresponding internal thread hole slot（15）Screw-thread fit, the first spiral shell
Bar（14）Inner end the first bevel gear is fixedly mounted（16）, several first bevel gears（16）Engagement cooperation successively.
2. accurate control sand dynamic self-cleaning sand-proof screen pipe according to claim 1, it is characterised in that：First screw rod
（14）Side opens up fourth hole（17）.
3. accurate control sand dynamic self-cleaning sand-proof screen pipe according to claim 1, it is characterised in that：The inner tube（11）Two
End is sealing, inner tube（11）Both ends of the surface open up threaded hole（18）, threaded hole（18）Inside the second screw rod is installed in cooperation（19）,
Inner tube（11）Inside passes through connecting rod at two close end（20）Sleeve is fixedly mounted（21）, sleeve（21）With inner tube（11）Together
Axis, sleeve（21）Inside fixed link is installed in cooperation（22）, sleeve（21）Long clamp bar slot is opened up on inner wall（23）, fixed link（22）Side
Inserted block is fixedly mounted in portion（24）, inserted block（24）It is inserted into long clamp bar slot（23）Inside, fixed link（22）Outer end and corresponding
Two screw rods（19）Interior tubular shaft flexible connection, fixed link（22）The second bevel gear is fixedly mounted in inner end（25）, the second bevel gear
（25）It can be with the first bevel gear（16）Engagement cooperation.
4. accurate control sand dynamic self-cleaning sand-proof screen pipe according to claim 1, it is characterised in that：Second through-hole
（9）Pitch of holes be 75mm, the second through-hole（9）Aperture be 10mm.
5. accurate control sand dynamic self-cleaning sand-proof screen pipe according to claim 1, it is characterised in that：The flexible deformation is situated between
Matter（5）By hundreds of 0.15mm, continuously stainless steel wire processes from strand.
6. accurate control sand dynamic self-cleaning sand-proof screen pipe according to claim 1, it is characterised in that：The accurate control sand net
（6）It is twill weave net using stainless steel.
7. accurate control sand dynamic self-cleaning sand-proof screen pipe according to claim 1, it is characterised in that：The filter medium
（7）It is made of the stainless steel wire of 0.10mm ~ 0.15mm.
8. accurate control sand dynamic self-cleaning sand-proof screen pipe according to claim 1, it is characterised in that：The outer protection tube（8）
It is made of punching stainless steel plate, percent opening 23.74%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721699841.1U CN207776845U (en) | 2017-12-08 | 2017-12-08 | Precision control sand dynamic self-cleaning sand-proof screen pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721699841.1U CN207776845U (en) | 2017-12-08 | 2017-12-08 | Precision control sand dynamic self-cleaning sand-proof screen pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207776845U true CN207776845U (en) | 2018-08-28 |
Family
ID=63231761
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721699841.1U Active CN207776845U (en) | 2017-12-08 | 2017-12-08 | Precision control sand dynamic self-cleaning sand-proof screen pipe |
Country Status (1)
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| CN (1) | CN207776845U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852414A (en) * | 2020-07-23 | 2020-10-30 | 中国石油大学(华东) | Huff-puff production oil well movable filter screen type sand control screen pipe and application thereof |
| CN113027393A (en) * | 2021-05-24 | 2021-06-25 | 东营市海天自动化工程有限责任公司 | Oil field vibrating screen cylinder sand filtering screen pipe device for oil pumping well pipe |
-
2017
- 2017-12-08 CN CN201721699841.1U patent/CN207776845U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852414A (en) * | 2020-07-23 | 2020-10-30 | 中国石油大学(华东) | Huff-puff production oil well movable filter screen type sand control screen pipe and application thereof |
| CN113027393A (en) * | 2021-05-24 | 2021-06-25 | 东营市海天自动化工程有限责任公司 | Oil field vibrating screen cylinder sand filtering screen pipe device for oil pumping well pipe |
| CN113027393B (en) * | 2021-05-24 | 2022-01-11 | 东营中达石油设备有限公司 | Oil field vibrating screen cylinder sand filtering screen pipe device for oil pumping well pipe |
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