CN203742495U - High-pressure rotary washing tool - Google Patents
High-pressure rotary washing tool Download PDFInfo
- Publication number
- CN203742495U CN203742495U CN201420116773.1U CN201420116773U CN203742495U CN 203742495 U CN203742495 U CN 203742495U CN 201420116773 U CN201420116773 U CN 201420116773U CN 203742495 U CN203742495 U CN 203742495U
- Authority
- CN
- China
- Prior art keywords
- joint
- rotation
- shell
- axis
- pressure rotary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005406 washing Methods 0.000 title abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 238000011010 flushing procedure Methods 0.000 claims description 24
- 210000002445 nipple Anatomy 0.000 claims description 3
- 239000007921 spray Substances 0.000 abstract 4
- 230000007704 transition Effects 0.000 abstract 1
- 239000004576 sand Substances 0.000 description 5
- 238000005086 pumping Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
Landscapes
- Cleaning By Liquid Or Steam (AREA)
Abstract
The utility model relates to a high-pressure rotary washing tool which comprises a joint, wherein a through stepped cavity is formed in the axial center of the joint, the outer side of the bottom of the joint is coaxially and tightly connected with one end of a hollow shaft type casing, and a sealing sleeve is in interference fit with the first stepped cavity in the bottom of the joint; a bearing is in interference fit with the inner wall, close to the bottom end of the joint, of the casing, a hollow rotating shaft which is longer than the casing penetrates through the bearing and then is in transition fit with the sealing sleeve, another sealing sleeve is in interference fit with the rotating shaft at the bottom end of the casing, the casing and the rotating shaft form a sealing cavity, and the inner wall of the casing above the another sealing sleeve is in interference fit with another bearing matched with the bearing for use; and the bottom end of the rotating shaft is coaxially and tightly connected with a spray head, a plurality of rotating nozzles are arranged on the circumference of the upper part of the spray head, a plurality of downward inclined nozzles are formed in the circumference of the lower part of the spray head, and a nozzle is further coaxially formed at the bottom end of the spray head. The high-pressure rotary washing tool has the advantages of high washing power, simple structure, simplicity in operation, economy, practicability and the like.
Description
Technical field
The utility model relates to oil well sand washing technical field, particularly about a kind of high pressure rotary flushing tool.
Background technology
At present, in oil well repairing operation, adopting well-case perforating, the appropriateness technology of shaking out can effectively reduce Completion cost in producing well, is also one of effective technology means that improve producing well production capacity.But, in the oil recovery process of some producing wells, because the reservoir sand producing in stratum and fine grained easily stop up screen casing and casing annulus, therefore will cause the problems such as well capacity reduces, screen cutting destroys and excessively shake out of producing.At present, the screen casing often adopting and casing annulus cleaning measure are to utilize rotation cavitation jet that the deposit that is blocked in screen casing is cleaned out, and the deposit of casing annulus cannot effectively be removed, and also has on the other hand the problems such as operation is complicated, expense is high.
Summary of the invention
For the problems referred to above, the purpose of this utility model be to provide a kind of can spinning, strong, the structure of flushing ability and simple to operate and economical and practical high pressure rotary flushing tool.
For achieving the above object, the utility model is taked following technical scheme: a kind of high pressure rotary flushing tool, it is characterized in that: it comprises that an axial centre has the joint of the stepped cavity of perforation, the bottom outside of described joint is coaxially fastenedly connected one end of a quill shaft shape shell, interference fit one sealing shroud in the first stepped cavity of described joint bottom; Interference fit one bearing on the inwall of the described shell of close described joint bottom, the hollow rotating shaft that one length is greater than described shell runs through after described bearing and described sealing ring interference fits, another sealing shroud of interference fit on the axis of rotation of described shell bottom, between described shell and axis of rotation, form annular seal space, outer casing inner wall interference fit and matching used another bearing of described bearing of described another sealing shroud top; The bottom of described axis of rotation is coaxially fastenedly connected a shower nozzle, and described shower nozzle top circumferentially arranges some swivel nozzles, and some downward-sloping nozzles are circumferentially offered in the bottom of described shower nozzle, the bottom of described shower nozzle also coaxially offer one with it described in nozzle.
Described joint adopts multidiameter shape structure; Described bearing and another bearing are taper roll bearing.
Described axis of rotation and shower nozzle adopt and are threaded.
The quantity of described swivel nozzle is 4, and the quantity of described nozzle is 5.
The API standard button-type being connected with on-the-spot other instrument is convenient in described nipple tip button-type employing.
The contact jaw of described joint and shell, between described sealing shroud and joint, axis of rotation, and all arranges an O RunddichtringO between described another sealing shroud and shell, axis of rotation.
The utility model is owing to taking above technical scheme, it has the following advantages: 1, the utility model arranges some swivel nozzles on the top of shower nozzle, its underpart arranges some nozzles, rinse in operation, swivel nozzle is under the centrifugal force of high pressure washing liquid and the comprehensive function of reaction force, drive shower nozzle and with its axis of rotation rotation being coaxially fastenedly connected, thereby realize the flushing operation of multi-angle, to improve flushing ability.Rinse after the end of job, reduce pump punching or the termination of pumping of flushing liquor, trip out instrument, simple to operation.Therefore 2,, owing to adopting taper roll bearing to be rotationally connected between axis of rotation of the present utility model and shell, effectively reduce the frictional force in rotary course, thereby improved application life of the present utility model, reduced cost of production.3, the two ends due to the utility model shell all adopt an O type sealing shroud and O RunddichtringO to seal, and have realized the effective sealing of taper roll bearing and lubricant medium, have therefore effectively stoped impurity to enter annular seal space.4, the utility model also has structure and simple to operate, easy to maintenance, reliable in function and low cost and other advantages.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in Figure 1, the utility model comprises a multidiameter straight coupling 1, and joint 1 is the stepped cavity that axial centre has a perforation.On the first multidiameter 10 of joint 1 bottom, be coaxially fastenedly connected one end of a quill shaft shape shell 2, the interior interference fit one O type sealing shroud 3 of the first stepped cavity 11 of joint 1 bottom.After the hollow rotating shaft 5 that is greater than shell 2 near interference fit one taper roll bearing 4, one length on the inwall of the shell 2 of joint 1 bottom runs through taper roll bearing 4 and sealing ring 3 interference fits.Another O type sealing shroud 6 of interference fit on the axis of rotation 5 of shell 2 bottoms, so that form an annular seal space between shell 2 and axis of rotation 5, the shell 2 inwall interference fit of sealing shroud 6 tops and matching used another taper roll bearing 7 of taper roll bearing 4.The bottom coaxial threaded of axis of rotation 5 connects a shower nozzle 8, the some swivel nozzles 80 of the shower nozzle 8 circumferential spaced set in top, and some downward-sloping nozzles 81 are circumferentially equidistantly offered in the bottom of shower nozzle 8, and a nozzle 81 is also coaxially offered with it in the bottom of shower nozzle 8.
In the above-described embodiments, the quantity of swivel nozzle 80 is 4, and the quantity of nozzle 81 is 5.
In the above-described embodiments, the API(American Petroleum Institute (API) being connected with on-the-spot other instrument is convenient in joint 1 top button-type employing) standard button-type.
In the above-described embodiments, the contact jaw of joint 1 and shell 2, between sealing shroud 3 and joint 1, axis of rotation 5, and all arranges an O RunddichtringO 9 between sealing shroud 6 and shell 2 and axis of rotation 5.
Describe using method of the present utility model below in detail:
While using the utility model, the top of joint 1 connects a sand-flushing pipe column (not shown) by a tubing thread, and shower nozzle 8 is transferred and to assigned address, opened high pressure pumping water device, to inject high pressure flushing liquor in flushing tool.Swivel nozzle 80 is under the centrifugal force of high pressure washing liquid and the comprehensive function of reaction force, and driven rotary axle 5 rotates thereupon, to realize the sand washing operation of multi-angle.In sand washing operation, transfer drilling tool, to realize the flushing of longer sieve tube segment, after the sand washing end of job, reduce pump punching or the termination of pumping of high pressure pumping water device, after flushing tool stops the rotation, trip out sand-flushing pipe column.
The various embodiments described above are only for illustrating the utility model; wherein the structure of each parts, connected mode and manufacture craft etc. all can change to some extent; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement, all should not get rid of outside protection domain of the present utility model.
Claims (10)
1. a high pressure rotary flushing tool, it is characterized in that: it comprises that an axial centre has the joint of the stepped cavity of perforation, the bottom outside of described joint is coaxially fastenedly connected one end of a quill shaft shape shell, interference fit one sealing shroud in the first stepped cavity of described joint bottom; Interference fit one bearing on the inwall of the described shell of close described joint bottom, the hollow rotating shaft that one length is greater than described shell runs through after described bearing and described sealing ring interference fits, another sealing shroud of interference fit on the axis of rotation of described shell bottom, between described shell and axis of rotation, form annular seal space, outer casing inner wall interference fit and matching used another bearing of described bearing of described another sealing shroud top; The bottom of described axis of rotation is coaxially fastenedly connected a shower nozzle, and described shower nozzle top circumferentially arranges some swivel nozzles, and some downward-sloping nozzles are circumferentially offered in the bottom of described shower nozzle, the bottom of described shower nozzle also coaxially offer one with it described in nozzle.
2. a kind of high pressure rotary flushing tool as claimed in claim 1, is characterized in that: described joint adopts multidiameter shape structure; Described bearing and another bearing are taper roll bearing.
3. a kind of high pressure rotary flushing tool as claimed in claim 1, is characterized in that: described axis of rotation and shower nozzle adopt and be threaded.
4. a kind of high pressure rotary flushing tool as claimed in claim 2, is characterized in that: described axis of rotation and shower nozzle adopt and be threaded.
5. a kind of high pressure rotary flushing tool as claimed in claim 1 or 2 or 3 or 4, is characterized in that: the quantity of described swivel nozzle is 4, and the quantity of described nozzle is 5.
6. a kind of high pressure rotary flushing tool as claimed in claim 1 or 2 or 3 or 4, is characterized in that: described nipple tip button-type adopts is convenient to the API standard button-type that is connected with on-the-spot other instrument.
7. a kind of high pressure rotary flushing tool as claimed in claim 5, is characterized in that: the API standard button-type being connected with on-the-spot other instrument is convenient in described nipple tip button-type employing.
8. a kind of high pressure rotary flushing tool as claimed in claim 1 or 2 or 3 or 4, it is characterized in that: the contact jaw of described joint and shell, between described sealing shroud and joint, axis of rotation, and between described another sealing shroud and shell, axis of rotation, an O RunddichtringO is all set.
9. a kind of high pressure rotary flushing tool as claimed in claim 5, is characterized in that: the contact jaw of described joint and shell, between described sealing shroud and joint, axis of rotation, and all arranges an O RunddichtringO between described another sealing shroud and shell, axis of rotation.
10. a kind of high pressure rotary flushing tool as claimed in claim 6, it is characterized in that: the contact jaw of described joint and shell, between described sealing shroud and joint, axis of rotation, and between described another sealing shroud and shell, axis of rotation, an O RunddichtringO is all set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420116773.1U CN203742495U (en) | 2014-03-14 | 2014-03-14 | High-pressure rotary washing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420116773.1U CN203742495U (en) | 2014-03-14 | 2014-03-14 | High-pressure rotary washing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203742495U true CN203742495U (en) | 2014-07-30 |
Family
ID=51342312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420116773.1U Expired - Lifetime CN203742495U (en) | 2014-03-14 | 2014-03-14 | High-pressure rotary washing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203742495U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863534A (en) * | 2015-06-19 | 2015-08-26 | 长江大学 | Swirling sand removing device and method |
| CN105156070A (en) * | 2015-10-19 | 2015-12-16 | 中国石油化工股份有限公司 | Oil pipe descaling scraper cleaning system |
| 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 |
| CN107457098A (en) * | 2017-10-10 | 2017-12-12 | 台州博拓里尼机械有限公司 | self-rotating nozzle |
| CN110056319A (en) * | 2019-04-24 | 2019-07-26 | 中国石油大学(华东) | A kind of coal bed gas well does not stop well preforation tunnel dredger |
-
2014
- 2014-03-14 CN CN201420116773.1U patent/CN203742495U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863534A (en) * | 2015-06-19 | 2015-08-26 | 长江大学 | Swirling sand removing device and method |
| CN105156070A (en) * | 2015-10-19 | 2015-12-16 | 中国石油化工股份有限公司 | Oil pipe descaling scraper cleaning system |
| CN105156070B (en) * | 2015-10-19 | 2018-03-20 | 中国石油化工股份有限公司 | A kind of oil pipe stain eliminating cleans doctor blade system |
| 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 |
| CN107457098A (en) * | 2017-10-10 | 2017-12-12 | 台州博拓里尼机械有限公司 | self-rotating nozzle |
| CN110056319A (en) * | 2019-04-24 | 2019-07-26 | 中国石油大学(华东) | A kind of coal bed gas well does not stop well preforation tunnel dredger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161216 Address after: 100020 East Third Ring Road, Beijing, Chaoyang District No. 2 Patentee after: CNOOC Research Institute Patentee after: CNOOC ENERGY TECHNOLOGY & SERVICES Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Patentee before: CNOOC Research Institute Patentee before: CNOOC ENERGY TECHNOLOGY & SERVICES Ltd. |
|
| CP03 | Change of name, title or address |
Address after: Floor 14, floor No. 2, No. 6, South Street, Sun Palace, Beijing, Beijing Co-patentee after: CNOOC ENERGY TECHNOLOGY & SERVICES Ltd. Patentee after: CNOOC RESEARCH INSTITUTE Co.,Ltd. Address before: 100020 East Third Ring Road, Beijing, Chaoyang District No. 2 Co-patentee before: CNOOC ENERGY TECHNOLOGY & SERVICES Ltd. Patentee before: CNOOC Research Institute |
|
| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191210 Address after: Floor 14, floor No. 2, No. 6, South Street, Sun Palace, Beijing, Beijing Patentee after: CNOOC RESEARCH INSTITUTE Co.,Ltd. Address before: Floor 14, floor No. 2, No. 6, South Street, Sun Palace, Beijing, Beijing Co-patentee before: CNOOC ENERGY TECHNOLOGY & SERVICES Ltd. Patentee before: CNOOC RESEARCH INSTITUTE Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |
|
| CX01 | Expiry of patent term |