CN206111113U - Double helix washes instrument - Google Patents
Double helix washes instrument Download PDFInfo
- Publication number
- CN206111113U CN206111113U CN201621191911.8U CN201621191911U CN206111113U CN 206111113 U CN206111113 U CN 206111113U CN 201621191911 U CN201621191911 U CN 201621191911U CN 206111113 U CN206111113 U CN 206111113U
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- China
- Prior art keywords
- double helix
- archimedes
- double
- helix
- flushing tool
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Abstract
The utility model belongs to the technical field of wash the instrument, specifically provide a double helix washes instrument, its characterized in that: including archimedes's double helix body, but rotating nozzle, archimedes's double helix body is the cylinder tubular column, the internal diameter of tubular column right -hand member is turned right and is diminished gradually, the inner chamber of archimedes's double helix body right -hand member is even the opening of 120 contained angles has 3 double helix grooves, but a rotating nozzle is all connected in every double helix groove, the current unable whirl of realizing of the instrument flush fluid flow direction that washes is solved to the purpose, washing effect is poor, wash problem chronic and that erosion resistant is poor, thereby improve and wash efficiency and effect.
Description
Technical field
The utility model belongs to the technical field of flushing tool, specifically provides a kind of double helix flushing tool.
Background technology
Oil/gas Well is connect after well, before formation testing, pressing crack construction, needs that oil gas well shaft situation is checked and checked, main
Situations such as checking whether examine pit shaft has deformation, pit shaft whether to have mud cake blocking, pit shaft whether to have a large amount of gravels, so as to for after
Continuous perforation, pressure break provide good wellbore conditions.At present, Oil/gas Well is generally using drifting review of operations shaft deformation, pit shaft week
Mud cake stopping state is enclosed, if pit shaft does not deform, blocks without mud cake, it is necessary to be circulated clean-out service, it is ensured that pit shaft is returned
Content of impurities out is less than 0.2%, and wellbore clean is clean, after completing circulation well cleanup, could open oil-gas Layer passage.
Find according to investigation, existing flushing tool head does not design rotatable nozzle, only bored several in tool head
Individual minor diameter eyelet, it is impossible to bear the erosion of high speed rinse fluid art, while flushing tool inner chamber is designed as light latus rectum runner, it is impossible to
Eddy flow flow direction is produced, on the whole developing result is poor, and erosion wear resistance is bad, particularly can not be to the following confined space of pit shaft perforated interval
The gravel of interior deposition fill in row effectively rinse, can not the mud cake viscous to pit shaft surrounding set effectively rinsed, nothing
Method efficient circulation takes gravel, mud cake or mechanical admixture out of.This is because the flushing liquor flow direction gushed out from flushing tool is straight line
Type, it is impossible to form effective inertia eddy flow, so as to the gravel plug of the mud cake viscous to pit shaft surrounding set and accumulation deposition rises
Less than good scraping, stirring loosening effect, cause developing result poor, washing time is long, have impact on follow-up perforation, pressing crack construction
Progress.For this purpose, devising a kind of double helix flushing tool.
Utility model content
The purpose of this utility model is to overcome existing flushing tool flushing liquor flow direction in prior art to realize eddy flow, punching
Wash the problem of poor effect, washing time length and erosion wear resistance difference.
For this purpose, the utility model provides a kind of double helix flushing tool, including it is Archimedes's double helix body, rotatable
Nozzle, Archimedes's double helix body is cylinder tubing string, and the internal diameter of tubing string right-hand member is turned right and tapered into, Archimedes's double helix sheet
The inner chamber of body right-hand member is uniformly provided with 3 double spiral grooves in 120 ° of angles, and each double spiral groove is all connected with a rotatable nozzle.
The shoulder hole for being shaped as multiple ladder compositions of described double spiral groove, double spiral groove outer dia is straight more than internal
Footpath.
Described rotatable nozzle includes housing and chamber, and housing is connected with double spiral groove, and chamber is opened in the center of housing
Shaft position is simultaneously connected with double spiral groove, minimum diameter of the chamber diameter less than double spiral groove.
Archimedes's bifilar helix of described Archimedes's double helix body along clockwise direction, 45 ° of helical angle, double spiral shells
Rotation pitch 120mm, bifilar helix spacing 30mm, the trapezoidal flute length 120mm of spiral, groove depth 5mm, groove bottom width 10mm, trapezoidal angle
60°。
Described rotatable nozzle inside diameter 10mm.
Described Archimedes's double helix body is to be threadedly coupled with rotatable nozzle.
Described Archimedes's double helix chamber body processing Archimedes's bifilar helix, bifilar helix runner three-dimensional shape
For dovetail groove.
Described Archimedes's double helix body upper part is additionally provided with screw thread, and button-type is 2-7/8 " EUE, the tooth of per inch 8,
Taper 1:16.
Archimedes's double helix body adopts 35CrMo materials, thermally treated HBW197～235, the trapezoidal rooved face of double helix
Nickel-bass alloy material is coated with, rotatable nozzle adopts erosion resistance hard alloy tungsten carbide YG8 materials, thermally treated hardness to reach
HRC92～95.
The beneficial effects of the utility model：This double helix flushing tool that the utility model is provided, including Archimedes
Double helix body, rotatable nozzle, Archimedes's double helix body is cylinder tubing string, and the internal diameter of tubing string right-hand member is turned right and gradually become
Little, the inner chamber of Archimedes's double helix body right-hand member is uniformly provided with 3 double spiral grooves in 120 ° of angles, and each double spiral groove connects
A rotatable nozzle is connect, therefore, the flushing liquor flow direction that the double helix flushing tool gushes out realizes inertia eddy flow, increases eddy flow
Power, reach eddy flow blow bits, eddy flow scrape viscous mud cake, stirring loosen deposition gravel plug purpose, so as to ensure circulate well-flushing
Liquid energy efficient circulation takes gravel, mud cake or mechanical admixture out of, and wellbore clean is clean, provides well for follow-up perforation, pressing crack construction
Wellbore conditions.
Description of the drawings
The utility model is described in further details below with reference to accompanying drawing.
Fig. 1 is a kind of double helix flushing tool structural representation.
Fig. 2 is a kind of right view of double helix flushing tool structural representation.
Fig. 3 is rotatable nozzle sectional view in Fig. 1.
Fig. 4 is Archimedes's double helix body double spiral groove expanded view clockwise in Fig. 1.
Fig. 5 is Archimedes's double helix body double spiral groove schematic diagram clockwise in Fig. 1.
Description of reference numerals：1st, Archimedes's double helix body；2nd, rotatable nozzle；3rd, double spiral groove；4th, housing；5th, chamber
Room.
Specific embodiment
Embodiment 1：
As shown in figure 1, a kind of double helix flushing tool, including Archimedes's double helix body 1, rotatable nozzle 2, A Ji
Mead double helix body 1 is cylinder tubing string, and the internal diameter of tubing string right-hand member is turned right and tapered into, Archimedes's double helix body right-hand member
Inner chamber is uniformly provided with 3 double spiral grooves in 120 ° of angles, and each double spiral groove 3 is all connected with a rotatable nozzle 2；Effectively solving
Existing flushing tool flushing liquor flow direction cannot realize the poor problem of poor eddy flow, developing result, washing time length and erosion wear resistance,
Simple structure, easy to use, practical, effect is significant.
Embodiment 2：
As Figure 1-5, on the basis of embodiment 1, the rank for being shaped as multiple ladders compositions of described double spiral groove 3
Terraced hole, the outer dia of double spiral groove 3 is more than inside diameter；Described rotatable nozzle 2 includes housing 4 and chamber 5, housing 4 with
Double spiral groove 3 connects, and chamber 5 is opened the cental axial position in housing 4 and connected with double spiral groove 3, and the diameter of chamber 5 is less than double helix
The minimum diameter of groove 3.Archimedes's bifilar helix of further Archimedes's double helix body 1 along clockwise direction, spiral
45 ° of angle, double helix pitch 120mm, bifilar helix spacing 30mm, the trapezoidal flute length 120mm of spiral, groove depth 5mm, groove bottom width
10mm, 60 ° of trapezoidal angle, the diameter 10mm of rotatable nozzle 2；Can ensure that flushing fluid in the inner chamber of Archimedes's double helix body
Along double spiral groove runner stream to each rotatable nozzle, due to the aperture of rotatable nozzle it is less, so as to produce high-speed rotational
A fluid stream is rinsed, high-efficiency cyclone is played and is rinsed shaving effect.
Embodiment 3：
As depicted in figs. 1 and 2, on the basis of embodiment 1 and 2, Archimedes's double helix body 1 and rotatable nozzle 2
For threaded connection.It is easy to nozzle maintenance or changes when damaging.
Embodiment 4：
As Figure 1-4, on the basis of embodiment 1-3, the described top of Archimedes's double helix body 1 is additionally provided with spiral shell
Line screw thread, button-type is 2-7/8 " EUE, the tooth of per inch 8, taper 1:16；Archimedes's double helix body 1 adopts 35CrMo materials,
Thermally treated HBW197～235, embedded SMA actuators Archimedes's double helix trapezium structure, and it is coated with nickel on double helix dovetail groove surface
Base alloy material, rotatable nozzle 2 adopt erosion resistance hard alloy tungsten carbide YG8 materials, thermally treated hardness up to HRC92～
95.Erosion wear resistance is improved, developing result is good.
Operation principle of the present utility model is：Flushing fluid flows in the inner chamber of Archimedes's double helix body 1 along double spiral groove 3
Road stream, because the aperture of rotatable nozzle 2 is less, so as to produce high-speed rotational a fluid stream is rinsed in each rotatable nozzle 2, is risen
Shaving effect is rinsed to high-efficiency cyclone.
Application mode of the present utility model is：
1. first oil gas is carried out before clean-out service, requires to connect according to Flushing tubular column textural association in detail design to carry
The clean-out service tubing string of double helix flushing tool.
2. above-mentioned clean-out service tubing string is lowered into the design well depth position of double helix flushing tool.
3. after above-mentioned clean-out service tubing string enters well in place, using pump truck, with 0.6～1.0m3/min of discharge capacity, pump pressure, 35MPa is clear
Water flush, it is ensured that the content of impurities that pit shaft is returned out is less than 0.2%, and wellbore clean is clean.
4. after the completion of clean-out service, termination of pumping pressure release, upper proposition clean-out service tubing string, dismounting in time, inspection double helix are rinsed
Archimedes's double helix body 1 of instrument, the service condition of rotatable nozzle 2, for maintaining or changing double helix flushing tool, with
Continuing after an action of the bowels carries out again clean-out service.
Exemplified as above is only, to illustration of the present utility model, not constitute to protection domain of the present utility model
Limit, every design same or analogous with the utility model is belonged within protection domain of the present utility model.
Claims (9)
1. a kind of double helix flushing tool, it is characterised in that：Including Archimedes's double helix body (1), rotatable nozzle (2),
Archimedes's double helix body (1) is cylinder tubing string, and the internal diameter of tubing string right-hand member is turned right and tapered into, Archimedes's double helix body
(1) inner chamber of right-hand member is uniformly provided with 3 double spiral grooves (3) in 120 ° of angles, each double spiral groove (3) be all connected with one it is rotatable
Nozzle (2).
2. double helix flushing tool as claimed in claim 1, it is characterised in that：Being shaped as described double spiral groove (3) is more
The shoulder hole of individual ladder composition, double spiral groove (3) outer dia is more than inside diameter.
3. double helix flushing tool as claimed in claim 1, it is characterised in that：Described rotatable nozzle (2) is including housing
(4) and chamber (5), housing (4) is connected with double spiral groove (3), chamber (5) open in housing (4) cental axial position and with double spiral shells
Spin slot (3) is connected, minimum diameter of chamber (5) diameter less than double spiral groove (3).
4. double helix flushing tool as claimed in claim 2, it is characterised in that：Described Archimedes's double helix body (1)
Archimedes's bifilar helix along clockwise direction, 45 ° of helical angle, double helix pitch 120mm, bifilar helix spacing 30mm, spiral shell
Winding stair shape flute length 120mm, groove depth 5mm, groove bottom width 10mm, 60 ° of trapezoidal angle.
5. double helix flushing tool as claimed in claim 3, it is characterised in that：Described rotatable nozzle (2) internal diameter 10mm.
6. double helix flushing tool as claimed in claim 1, it is characterised in that：Described Archimedes's double helix body (1)
With rotatable nozzle (2) to be threadedly coupled.
7. double helix flushing tool as claimed in claim 1, it is characterised in that：Described Archimedes's double helix body (1)
Embedded SMA actuators Archimedes's bifilar helix, bifilar helix runner three-dimensional shape is dovetail groove.
8. double helix flushing tool as claimed in claim 1, it is characterised in that：Described Archimedes's double helix body (1)
Top is additionally provided with screw thread, and button-type is 2-7/8 " EUE, the tooth of per inch 8, taper 1:16.
9. double helix flushing tool as claimed in claim 1, it is characterised in that：Archimedes's double helix body (1) adopts
35CrMo materials, thermally treated HBW197～235, double helix dovetail groove surface is coated with nickel-bass alloy material, rotatable nozzle (2)
Using erosion resistance hard alloy tungsten carbide YG8 materials, thermally treated hardness reaches HRC92～95.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621191911.8U CN206111113U (en) | 2016-10-27 | 2016-10-27 | Double helix washes instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621191911.8U CN206111113U (en) | 2016-10-27 | 2016-10-27 | Double helix washes instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206111113U true CN206111113U (en) | 2017-04-19 |
Family
ID=58525607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621191911.8U Active CN206111113U (en) | 2016-10-27 | 2016-10-27 | Double helix washes instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206111113U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285527A (en) * | 2016-10-27 | 2017-01-04 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of Double helix flushing tool |
-
2016
- 2016-10-27 CN CN201621191911.8U patent/CN206111113U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285527A (en) * | 2016-10-27 | 2017-01-04 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of Double helix flushing tool |
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