CN202767938U - Adjustable plug - Google Patents
Adjustable plug Download PDFInfo
- Publication number
- CN202767938U CN202767938U CN 201220502092 CN201220502092U CN202767938U CN 202767938 U CN202767938 U CN 202767938U CN 201220502092 CN201220502092 CN 201220502092 CN 201220502092 U CN201220502092 U CN 201220502092U CN 202767938 U CN202767938 U CN 202767938U
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- Prior art keywords
- main body
- rod
- fixed
- upper main
- nut
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model discloses an adjustable plug, and relates to petroleum machinery. The adjustable plug comprises a guide head (1), a positioning cam (2), a fishing rod (3), an upper main body (4), a nut (5), a lower barrel (6) and a throttle lever (7). A water jacket nozzle (8) is arranged in the lower barrel (6) and is fixed to the upper end of the guide head (1), a flow through hole (9) is arranged on a side wall of the lower barrel (6), the positioning cam (2) is fixed to a top section of the upper main body (4), the fishing rod (3) is rotatably fixed to the upper end of the upper main body (4), a throttle head (13) is arranged at the lower end of the throttle lever (7), and the upper end of the throttle lever (7) is axially slidably connected to the lower end of the fishing rod (3). The adjustable plug has the advantages of high strength, good abrasion resistance and durability. Besides, the water injection rate of the adjustable plug is adjustable, water can be quantitatively injected according to different intervals, well ascending and descending frequency can be effectively reduced, and the operation efficiency is greatly improved.
Description
Technical field
The utility model relates to petroleum machinery, is specifically related to a kind of blanking plug for the separated-zone water infection oil field adjusting.
Background technology
Its decreasing water distribution method of existing blanking plug generally is to calculate according to theory, selects corresponding distributing tap, the blanking plug operation of packing into.In the time of need to carrying out water distribution to multi-section multi-layer, common injector just need to be changed water nozzles according to different intervals, adjusts flow, repeatedly rises, lower well operations, and so not only workload is large, and duty cycle is long, and affects the timely stake of water injection well, directly affects field output.
Summary of the invention
Technical problem to be solved in the utility model is: for the problems referred to above, provide a kind of flow rate adjustable stopper.
Technical solution of the present utility model is: it comprises that the lower end is provided with guide head, mid portion is provided with positioning cam, the upper end is provided with fishing rod and the surperficial body that is provided with seal, described body also comprises main body, be screwed onto the nut of main body upper end, be fixed on lower shell and the intrinsic throttling rod of main body lower end, guide head is screwed onto the lower end of lower shell, be fixed with the water jacket mouth in the guide head upper end in the lower shell, the sidewall of lower shell has flowing hole in water jacket mouth top, upper main body inner wall is provided with nut segment, positioning cam is fixed on upper main body top section by cam holder, fishing rod is rotatably mounted to upper main body upper end by the nut of upper main body upper end, fishing rod is provided with torsional part in the position of nut top, the throttling rod lower end is provided with strangling head, strangling head is provided with the conical surface that matches with the water jacket mouth, the stage casing of throttling rod is provided with the spiro rod section that matches with the nut segment of upper main body inner wall, and the upper end of throttling rod can be slidingly connected vertically in the lower end of fishing rod.
Technique effect of the present utility model is: it has, and intensity is large, abrasion resistance good, long-lived advantage.Its injection flow is adjustable, can effectively reduce the number of times of going into the well according to different interval quantitative injections, has significantly promoted operating efficiency.
Description of drawings
Fig. 1 is sectional structure chart of the present utility model;
Fig. 2 is the structure chart of the utility model positioning cam.
The specific embodiment
As illustrated in fig. 1 and 2, it comprises that the lower end is provided with guide head 1, mid portion is provided with positioning cam 2, the upper end is provided with fishing rod 3 and the surperficial body that is provided with seal, described body also comprises main body 4, be screwed onto the nut 5 of main body 4 upper ends, be fixed on lower shell 6 and the intrinsic throttling rod 7 of main body 4 lower ends, guide head 1 is screwed onto the lower end of lower shell 6, be fixed with water jacket mouth 8 in guide head 1 upper end in the lower shell 6, the sidewall of lower shell 6 has flowing hole 9 in water jacket mouth 8 tops, upper main body 4 inwalls are provided with nut segment 10, positioning cam 2 is fixed on upper main body 4 top sections by cam holder 11, fishing rod 3 is rotatably mounted to upper main body 4 upper ends by the nut 5 of upper main body 4 upper ends, fishing rod 3 is provided with torsional part 12 in the position of nut 5 tops, throttling rod 7 lower ends are provided with strangling head 13, strangling head 13 is provided with the conical surface that matches with the water jacket mouth, the stage casing of throttling rod 7 is provided with the spiro rod section 14 that matches with the nut segment 10 of upper main body 4 inwalls, and the upper end of throttling rod 7 can be slidingly connected vertically in the lower end of fishing rod 3.
Cover has sealing shroud 15, sealing shroud 15 to be fixed on main body 4 lower ends on the described throttling rod 7.
Described throttling rod 7 overlaps respectively in nut segment 10 two ends of upper main body 4 spring 16 and back-up ring 17, throttling rod 7 also overlaps in nut segment 10 upper ends of upper main body 4 spring base 18 that is fixed on upper main body 4 inwalls, and the spring 16 at two ends is against respectively 18 of the back-up ring 17 of the back-up ring 17 of lower end and 15 of sealing shrouds and upper end and spring bases.
Can reverse throttling rod 7 by the torsional part 12 on the fishing rod 3, change the unlatching size at water jacket mouth 8 places.
Claims (3)
1. adjustable blanking plug, comprise that the lower end is provided with guide head (1), mid portion is provided with positioning cam (2), the upper end is provided with fishing rod (3) and the surperficial body that is provided with seal, it is characterized in that, described body also comprises main body (4), be screwed onto the nut (5) of main body (4) upper end, be fixed on lower shell (6) and the intrinsic throttling rod (7) of main body (4) lower end, guide head (1) is screwed onto the lower end of lower shell (6), be fixed with water jacket mouth (8) in guide head (1) upper end in the lower shell (6), the sidewall of lower shell (6) has flowing hole (9) in water jacket mouth (8) top, upper main body (4) inwall is provided with nut segment (10), positioning cam (2) is fixed on upper main body (4) top section by cam holder (11), fishing rod (3) is rotatably mounted to upper main body (4) upper end by the nut (5) of upper main body (4) upper end, fishing rod (3) is provided with torsional part (12) in the position of nut (5) top, throttling rod (7) lower end is provided with strangling head (13), strangling head (13) is provided with the conical surface that matches with the water jacket mouth, the stage casing of throttling rod (7) is provided with the spiro rod section (14) that matches with the nut segment (10) of upper main body (4) inwall, and the upper end of throttling rod (7) can be slidingly connected vertically in the lower end of fishing rod (3).
2. adjustable blanking plug as claimed in claim 1 is characterized in that, the upper cover of described throttling rod (7) has sealing shroud (15), sealing shroud (15) to be fixed on main body (4) lower end.
3. adjustable blanking plug as claimed in claim 2, it is characterized in that, described throttling rod (7) overlaps respectively in nut segment (10) two ends of upper main body (4) spring (16) and back-up ring (17), throttling rod (7) in the nut segment (10) of upper main body (4) upper end also cover have the spring base (18) that is fixed on upper main body (4) inwall, the spring at two ends (16) to be against respectively between the back-up ring (17) of lower end and sealing shroud (15) and on back-up ring (17) and spring base (18) between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220502092 CN202767938U (en) | 2012-09-28 | 2012-09-28 | Adjustable plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220502092 CN202767938U (en) | 2012-09-28 | 2012-09-28 | Adjustable plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202767938U true CN202767938U (en) | 2013-03-06 |
Family
ID=47774521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220502092 Expired - Fee Related CN202767938U (en) | 2012-09-28 | 2012-09-28 | Adjustable plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202767938U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375152A (en) * | 2013-08-09 | 2013-10-30 | 中国石油化工股份有限公司 | Adjustable plug capable of simultaneously controlling one water nozzle to be opened and the other closed |
| CN104727775A (en) * | 2015-03-18 | 2015-06-24 | 新疆华隆油田科技股份有限公司 | Adjustable backflow-preventing blanking plug |
| CN106437648A (en) * | 2016-12-21 | 2017-02-22 | 牡丹江博实石油机械科技有限公司 | Zero leakage loss flow regulating and blocking device |
| CN110836950A (en) * | 2018-08-16 | 2020-02-25 | 中国石油天然气股份有限公司 | Corrosion monitoring device and be used for water injection well corrosion monitoring's tubular column |
-
2012
- 2012-09-28 CN CN 201220502092 patent/CN202767938U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375152A (en) * | 2013-08-09 | 2013-10-30 | 中国石油化工股份有限公司 | Adjustable plug capable of simultaneously controlling one water nozzle to be opened and the other closed |
| CN103375152B (en) * | 2013-08-09 | 2015-11-04 | 中国石油化工股份有限公司 | Two-layer water nozzle controls the adjustable blanking plug that opens a conjunction simultaneously |
| CN104727775A (en) * | 2015-03-18 | 2015-06-24 | 新疆华隆油田科技股份有限公司 | Adjustable backflow-preventing blanking plug |
| CN106437648A (en) * | 2016-12-21 | 2017-02-22 | 牡丹江博实石油机械科技有限公司 | Zero leakage loss flow regulating and blocking device |
| CN110836950A (en) * | 2018-08-16 | 2020-02-25 | 中国石油天然气股份有限公司 | Corrosion monitoring device and be used for water injection well corrosion monitoring's tubular column |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20160928 |