CN205135584U - Nozzle and have downhole choke ware of this nozzle - Google Patents
Nozzle and have downhole choke ware of this nozzle Download PDFInfo
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- CN205135584U CN205135584U CN201520877848.2U CN201520877848U CN205135584U CN 205135584 U CN205135584 U CN 205135584U CN 201520877848 U CN201520877848 U CN 201520877848U CN 205135584 U CN205135584 U CN 205135584U
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Abstract
The utility model provides a nozzle and have downhole choke ware of this nozzle. The nozzle includes the nozzle body, and the nozzle body has an inner through hole, and inner through hole has consecutive expert's first hole section and a second hole section, and the aperture of first hole section is less than the aperture of second hole section, and the one end of keeping away from first hole section of second hole section forms the liquid outlet, and the length of first hole section is 1 with the ratio of the length of second hole section: 2~4: 7. The technical scheme of the utility model the problem that life is short of the nozzle that the first hole duan yin that can solve the nozzle among the prior art is worn and torn and causes.
Description
Technical field
The utility model relates to field produces technical field, in particular to a kind of nozzle and the underground throttle device with this nozzle.
Background technology
For energy efficiency, the policy that operating personnel propose in oil-field flooding work " injecting enough water, injecting good water, meticulous water filling, effectively water filling ", subdivision of reservoir water filling is the most effective way realizing this policy.In prior art, generally apply eccentric stratified injection water technology to carry out water filling, the underground throttle device with nozzle is the crucial utensil realizing laminated distributor under well water filling.
In prior art, the nozzle usually adopting alumina material to make carries out layered waterflooding quantity regulation and control.Nozzle comprises the nozzle body with interior bone.Nozzle body is made up of the first hole section be connected successively and the second hole section, and wherein, the aperture of the first hole section is less than the aperture of the second hole section, and one end away from the first hole section of the second hole section forms liquid outlet.
Due to the reason that the performance of material own and structure limit, following problem is mainly there is at the scene: because the abrasion resistance of the first hole section is poor in application process, during work, easily wear and tear in the aperture of the first hole section of nozzle, cause laminated distributor under well water injection rate control inaccurate, active duty cycle is shorter, affects the waterflooding development effect in oil field.
Utility model content
Main purpose of the present utility model is the underground throttle device providing a kind of nozzle and have this nozzle, be worn with the first hole Duan Yin solving nozzle of the prior art and the application life of the nozzle caused shorter problem.
To achieve these goals, according to an aspect of the present utility model, provide a kind of nozzle, nozzle comprises nozzle body, nozzle body has interior bone, and interior bone has the first hole section and the second hole section that are connected successively, and the aperture of the first hole section is less than the aperture of the second hole section, one end away from the first hole section of second hole section forms liquid outlet, and the ratio of the length of the first hole section and the length of the second hole section is 1:2 ~ 4:7.
Further, nozzle body comprises the axially extending bore axially overlapping and be arranged in axial cover, and axially extending bore forms interior bone.
Further, nozzle body also comprise the outside that is arranged on axially cover and be positioned at the first hole section annular flange flange at one end.
Further, axially cover and annular flange flange one-body molded.
Further, second hole section has the reducer and straight hole section that are connected successively, the first end of reducer is connected with the first hole section, second end of reducer is connected with straight hole section, the hole sectional area of reducer increases gradually along the axis of nozzle body, and the hole sectional area near the first section side, hole of reducer is less than the hole sectional area away from the first section side, hole of reducer.
Further, interior bone also has the 3rd hole section be communicated with the second hole section, 3rd hole section is arranged on one end away from the first hole section of the second hole section, the aperture of the 3rd hole section is greater than the aperture of the second hole section, the hole sectional area of the 3rd hole section increases gradually along the axis of nozzle body, and the hole sectional area near the second section side, hole of the 3rd hole section is less than the hole sectional area away from the second section side, hole of the 3rd hole section.
Further, nozzle is made up of cermet.
According to another aspect of the present utility model, provide a kind of underground throttle device, the nozzle comprising restriction choke body and be connected with restriction choke body, nozzle is aforesaid nozzle.
Application the technical solution of the utility model, because the ratio range of the length of the first hole section of nozzle and the length of the second hole section is 1:2 ~ 4:7, the larger erosion resistance of this lenth ratio is stronger, can application life of prolonging nozzle; In addition, when liquid is in the first hole section flow nozzle, the flow velocity of liquid increases, pressure reduces, the wash away dynamics of liquid to the hole wall of the first hole section weakens, and the first hole section of nozzle is not easy to wear, thus can control the flow of the liquid sprayed by nozzle more exactly.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the sectional structure schematic diagram of the embodiment one according to nozzle of the present utility model; And
Fig. 2 shows the sectional structure schematic diagram of the embodiment two according to nozzle of the present utility model.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
1, nozzle body; 10, interior bone; 11, the first hole section; 111, axially overlap; 112, annular flange flange; 12, the second hole section; 121, reducer; 122, straight hole section; 13, the 3rd hole section.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
It is noted that following detailed description is all exemplary, be intended to provide further instruction to the application.Unless otherwise, all technology used herein and scientific terminology have the identical meanings usually understood with the application person of an ordinary skill in the technical field.
In the utility model, when not doing contrary explanation, the noun of locality of use if " top, the end " is normally for direction shown in the drawings, or for parts this in vertically, on vertical or gravity direction; Similarly, for ease of understanding and describing, " inside and outside " refers to profile inside and outside relative to each parts itself, but the above-mentioned noun of locality is not limited to the utility model.
The utility model embodiment provides a kind of underground throttle device.The nozzle that underground throttle device comprises restriction choke body and is connected with restriction choke body.
Below, specifically the structure of nozzle is described:
Embodiment one
As shown in Figure 1, the utility model embodiment one provides a kind of nozzle.Nozzle comprises nozzle body 1, nozzle body 1 has interior bone 10, interior bone 10 has the first hole section 11 and the second hole section 12 be connected successively, the aperture of the first hole section 11 is less than the aperture of the second hole section 12, one end away from the first hole section 11 of second hole section 12 forms liquid outlet, and the ratio of the length of the first hole section 11 and the length of the second hole section 12 is 1:2 ~ 4:7.
By above-mentioned setting, if nozzle is made up of identical material, this aperture ratio is larger, and the erosion resistance of nozzle is stronger, thus can application life of prolonging nozzle, and manufacturing cost is also rationally both economical;
In addition, by above-mentioned setting, because the ratio range of the length of the first hole section 11 of nozzle and the length of the second hole section 12 is 1:2 ~ 4:7, when liquid is in the first hole section 11 flow nozzle, because the aperture of the first hole section 11 reduces, the resistance be subject to during liquid flow increases, the flow velocity of liquid increases, and pressure reduces, and the wash away dynamics of liquid to the hole wall of the first hole section 11 weakens, first hole section 11 of nozzle is not easy to wear, thus can control the flow of the liquid sprayed by nozzle more exactly.
As shown in Figure 1, in the utility model embodiment one, nozzle body 1 comprises axially cover 111 and the axially extending bore be arranged in axial cover 111, and axially extending bore forms interior bone 10.
As shown in Figure 1, in the utility model embodiment one, nozzle body 1 also comprise the outside that is arranged on axially cover 111 and be positioned at the first hole section 11 annular flange flange 112 at one end.
Arranging annular flange flange 112 is for the ease of being installed on the restriction choke body of underground throttle device by said nozzle.
For the ease of manufacturing and processing, in the utility model embodiment one, axially cover 111 and annular flange flange 112 one-body molded.
As shown in Figure 1, in the utility model embodiment one, interior bone 10 also has the 3rd hole section 13 be communicated with the second hole section 12.3rd hole section 13 is arranged on one end away from the first hole section 11 of the second hole section 12, the aperture of the 3rd hole section 13 is greater than the aperture of the second hole section 12, the hole sectional area of the 3rd hole section 13 increases gradually along the axis of nozzle body 1, and the hole sectional area near the second hole section 12 side of the 3rd hole section 13 is less than the hole sectional area away from the second hole section 12 side of the 3rd hole section 13.
In the utility model embodiment one, for the ease of manufacturing and processing, the first hole section 11, second hole section 12 and the 3rd hole section 13 are all coaxially arranged.
In the utility model embodiment one, nozzle is made up of ceramic materials and metal.
Particularly, nozzle is made up of zirconia and yttrium.After high-sintering process sinter molding, through laser thermal stress cutting technique, abrasive waterjet cutting technological forming, finally use diamond core boring bit milling technology, enable the machining accuracy of the first hole section 11 of nozzle reach≤0.3%.Relative to the nozzle that the alumina of prior art is made, machining accuracy improves about 30 times.
As follows, table 1 shows the reduced value of the performance of the nozzle of the utility model embodiment one and the nozzle of prior art.
Table 1
As can be seen from Table 1,3 times that the abrasion resistance of the nozzle of the utility model embodiment one is 15 times of alumina nozzle, compressive strength is alumina nozzle, fracture toughness is alumina nozzle 2 times, compared with being 0.2g/cm2 with the abrasion resistance of the nozzle of prior art, under equal area, the wear extent of the nozzle of the utility model embodiment one is less, and therefore the abrasion resistance of the nozzle of the present embodiment one is higher; On the other hand, because the low and fragility of aluminium oxide ceramics intensity is strong, easy chipping phenomenon when changing nozzle in prior art, therefore use cost is higher, and the nozzle of the utility model embodiment one avoids above-mentioned defect.
In sum, the nozzle of the utility model embodiment one has the following advantages:
1, superior performance: zirconia ceramics has the advantages such as hardness is high, abrasion resistance good, toughness is high, friction factor is low, good corrosion resistance, abrasion resistance is 15 times of aluminium oxide ceramics, simultaneously rational in infrastructure, effectively can prevent the aperture wearing and tearing of the first hole section 11 from increasing, increase substantially the active duty cycle of nozzle.
2, precision is high: processing of adopting new technology, and makes throttle diameter precision reach less than 0.3%, is about 30 times of the nozzle that in prior art, alumina is made.
3, the round and smooth process of profile corner angle of annular flange flange 112, can increase substantially anticollision performance.
Embodiment two:
The utility model is implemented two and is with the difference of embodiment one:
As shown in Figure 2, in the utility model embodiment two, the second hole section 12 has the reducer 121 and straight hole section 122 that are connected successively, and the first end of reducer 121 is connected with the first hole section 11, and the second end of reducer 121 is connected with straight hole section 122.The hole sectional area of reducer 121 increases gradually along the axis of nozzle body 1, and the hole sectional area near the first hole section 11 side of reducer 121 is less than the hole sectional area away from the first hole section 11 side of reducer 121.
By above-mentioned setting, utilize reducer 121 can play the effect of buffering to the liquid in flow nozzle, thus the flowing of liquid can be made more smooth and easy, accurately to control the flow of the liquid flowing out liquid outlet.
Particularly, reducer 121 and straight hole section 122 are coaxially arranged.
In the utility model embodiment two, the internal face of reducer 121 is taper.Angle between the internal face of reducer 121 and the central axis of the first hole section 11 is 45 °.By above-mentioned setting, the evorsion that hydrodynamics causes can be reduced.
Other structures of the nozzle of embodiment two are identical with the structure of embodiment one, repeat no more herein.
From above description, can find out, the utility model the above embodiments achieve following technique effect: because the ratio range of the length of the first hole section of nozzle and the length of the second hole section is 1:2 ~ 4:7, when liquid is in the first hole section flow nozzle, because the aperture of the first hole section reduces, the resistance be subject to during liquid flow increases, the energy of liquid reduces, namely the flow velocity of liquid reduces, the wash away dynamics of liquid to the hole wall of the first hole section weakens, first hole section of nozzle is not easy to wear, thus can control the flow of the liquid sprayed by nozzle more exactly.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a nozzle, it is characterized in that, described nozzle comprises nozzle body (1), described nozzle body (1) has interior bone (10), described interior bone (10) has the first hole section (11) and the second hole section (12) that are connected successively, the aperture of described first hole section (11) is less than the aperture of described second hole section (12), one end away from described first hole section (11) of described second hole section (12) forms liquid outlet, the ratio of the length of described first hole section (11) and the length of described second hole section (12) is 1:2 ~ 4:7.
2. nozzle according to claim 1, it is characterized in that, described nozzle body (1) comprises axial cover (111) and is arranged on the axially extending bore in described axially cover (111), and described axially extending bore forms described interior bone (10).
3. nozzle according to claim 2, it is characterized in that, described nozzle body (1) also comprise the outside that is arranged on described axially cover (111) and be positioned at described first hole section (11) annular flange flange (112) at one end.
4. nozzle according to claim 3, is characterized in that, described axially cover (111) and described annular flange flange (112) one-body molded.
5. nozzle according to any one of claim 1 to 4, it is characterized in that, described second hole section (12) has the reducer (121) and straight hole section (122) that are connected successively, the first end of described reducer (121) is connected with described first hole section (11), second end of described reducer (121) is connected with described straight hole section (122), the hole sectional area of described reducer (121) increases gradually along the axis of described nozzle body (1), the hole sectional area of close described first hole section (11) side of described reducer (121) is less than the hole sectional area away from described first hole section (11) side of described reducer (121).
6. nozzle according to any one of claim 1 to 4, it is characterized in that, described interior bone (10) also has the 3rd hole section (13) be communicated with described second hole section (12), described 3rd hole section (13) is arranged on one end away from described first hole section (11) of described second hole section (12), the aperture of described 3rd hole section (13) is greater than the aperture of described second hole section (12), the hole sectional area of described 3rd hole section (13) increases gradually along the axis of described nozzle body (1), the hole sectional area of close described second hole section (12) side of described 3rd hole section (13) is less than the hole sectional area away from described second hole section (12) side of described 3rd hole section (13).
7. nozzle according to any one of claim 1 to 4, is characterized in that, described nozzle is made up of cermet.
8. a underground throttle device, the nozzle comprising restriction choke body and be connected with described restriction choke body, is characterized in that, the nozzle of described nozzle according to any one of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520877848.2U CN205135584U (en) | 2015-11-05 | 2015-11-05 | Nozzle and have downhole choke ware of this nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520877848.2U CN205135584U (en) | 2015-11-05 | 2015-11-05 | Nozzle and have downhole choke ware of this nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205135584U true CN205135584U (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520877848.2U Active CN205135584U (en) | 2015-11-05 | 2015-11-05 | Nozzle and have downhole choke ware of this nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205135584U (en) |
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2015
- 2015-11-05 CN CN201520877848.2U patent/CN205135584U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |