CN202628021U - Controllable blanking plug - Google Patents
Controllable blanking plug Download PDFInfo
- Publication number
- CN202628021U CN202628021U CN 201220281982 CN201220281982U CN202628021U CN 202628021 U CN202628021 U CN 202628021U CN 201220281982 CN201220281982 CN 201220281982 CN 201220281982 U CN201220281982 U CN 201220281982U CN 202628021 U CN202628021 U CN 202628021U
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- CN
- China
- Prior art keywords
- bar
- main body
- blanking plug
- dragging
- drag
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- Expired - Lifetime
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Abstract
The utility model relates to a controllable blanking plug, which comprises a main body (1), a salvaging rod (2) and a cam mechanism (3), wherein a core rod (4) is arranged under the salvaging rod (2) inside the main boy; external threads (41) matched with internal threads (11) on the main body (1) are arranged on the core rod (4); a core rod reset pressure spring (42) is mounted on the core rod (4) in a sleeving way; a ball seat (5) is mounted on the inner wall of the main body (1) under the core rod (4); a valve ball (6) is arranged under the ball seat (5) inside the main body (1); and a valve ball pressure spring (7) is arranged under the valve ball (6) inside the main body (1). During the water injection operation, the controllable blanking plug is used to have the advantages that the process is simple, the operation is convenient, the salvaging efficiency is high, the normal water injection operation cannot be affected, and the manpower and physical resources are saved. In addition, the controllable blanking plug can enter the downhole with a pipe string and does not need to be salvaged out to replace after the suppressed pressure test, and can directly adjust the flow and inject water, so as to improve the working efficiency.
Description
Technical field
The utility model relates to petroleum tool, is specifically related to a kind of oil-field flooding and transfers stream to use blanking plug.
Background technology
Often adopt during oil field well water filling operation at present and transfer the stream blanking plug,, be unfavorable for that tubing string suppresses pressurize because there is the seepage phenomenon in existing being not closed completely when transferring the stream blanking plug to close.The solution that adopts at present is to suppress pressure testing with the common blanking plug that dead mouth is installed, and the pipeline pressure testing is pulled common blanking plug out after accomplishing; Drop into and transfer the stream blanking plug, process is loaded down with trivial details, inconvenient operation; Pulling efficient is low, influences normal water filling operation, waste of manpower and material resources.
Summary of the invention
The purpose of the utility model is to existing being not closed completely, existing the seepage phenomenon when transferring the stream blanking plug to close, be unfavorable for that tubing string suppresses the defective of pressurize, a kind of controllable type blanking plug being provided.
The technical solution of the utility model is: it comprises main body, drags for bar and cam mechanism; The below of dragging for bar in the main body is provided with the upper end with dragging for bar lower end axial sliding fit and can be with dragging for the core bar that bar rotates; The core bar outer wall be provided with one section with main body inner wall on the external screw thread that matches of internal thread, make core bar dragged for bar to drive can in main body, move axially up and down when rotating and realize transferring stream, be set with the upper end roof pressure on the core bar at the core bar reseting pressuring spring of main body upper and lower end roof pressure on core bar; On the main body inner wall of core bar below the ball seat that inwall cooperates with the outer wall slipper seal of core bar lower end is installed, the ball seat below is provided with valve ball in the main body, and the valve ball below is provided with the upper end roof pressure at the valve ball stage clip of valve ball upper and lower end roof pressure on main body in the main body.
The technique effect of the utility model is: it is simple to use it to have process during the water filling operation, easy to operate, and pulling efficient is high, can not influence normal water filling operation, saves man power and material's advantage.Its adopts controllable type structure, when flow is realized control, also can control the on off state of blanking plug, and tight reliable in off position the time.It can be gone into the well with tubing string, suppresses after the pressure testing, need not pull replacing out, can directly transfer streamer water, increases work efficiency.
When blanking plug was in closed condition, ball valve and ball seat also were in closed condition, can bear and suppress the pressure that the pressure testing designing institute needs, and after completion is suppressed in pressure testing, directly carried out flow-control through instrument and got final product, and be more convenient to use.
Description of drawings
Fig. 1 is the axial sectional view of the utility model embodiment.
The specific embodiment
Shown in accompanying drawing; It comprises main body 1, drags for bar 2 and cam mechanism 3; The below of dragging for bar 2 in the main body 1 is provided with the upper end with dragging for bar 2 lower end axial sliding fits and can be with dragging for the core bar 4 that bar 2 rotates; Core bar 4 outer walls be provided with one section with main body 1 inwall on the external screw thread 41 that matches of internal thread 11, make core bar 4 dragged for bar 2 to drive can in main body 1, move axially up and down when rotating and realize transferring stream, be set with the upper end roof pressure on the core bar 4 at the core bar reseting pressuring spring 42 of main body 1 upper and lower end roof pressure on core bar 4; The ball seat 5 that inwall cooperates with core bar 4 lower end outer wall slipper seals is installed on main body 1 inwall of core bar 4 belows; Ball seat 5 belows are provided with valve ball 6 in the main body 1, and valve ball 6 belows are provided with the upper end roof pressure at the valve ball stage clip 7 of valve ball 6 upper and lower end roof pressures on main body 1 in the main body 1.
Drag for bar 2 and endwisely slip and be installed in the upper end of main body 1, drag for middle part that bar 2 is positioned at main body 1 and be set with the upper end roof pressure and dragging at main body 1 upper and lower end roof pressure and drag for bar stage clip 21 on the bar 2, drag for bar 2 can be main body 1 in by on pressure-raising contract and drag for upwards slip of bar stage clip 21; Cam mechanism 3 be positioned at drag for bar 2 belows be hinged on dragged on the main body 1 bar 2 spacing, when dragging for bar 2 and be positioned at bottom, draw in main body 1, dragging for bar 2 by on when carrying cam mechanism 3 rotations be projected into outside the main body 1.
Drag for drag on the bar 2 22 and main body 1 upper surface between be provided be stuck in drag for 22 and main body 1 upper surface between, side mouth and be sleeved on and drag on the bar 2, be installed in the locating piece 24 that drags on the bar 2 through bearing pin 23 from dragging for bar 2 sidepieces.
The lower end slip cap that drags for bar 2 is equipped with and drags for bar cover 25; The lower end of dragging for bar stage clip 21 is sleeved on the upper end of dragging for bar cover 25 and roof pressure and overlaps on the upper surface of 25 outer shroud platforms dragging for bar; Drag for and be set with the positioning sleeve 12 that is fixed in the main body 1 on the bar cover 25, the upper surface of the interior ring platform of positioning sleeve 12 lower ends is stuck in from bottom to top drags for lower surface limit that bar overlaps 25 outer shroud platforms and drags for bar cover 25 and move down.
Cam mechanism 3 belows are provided with and are sleeved on the core bar 4, are slidingly mounted in the main body 1, lower surface and core bar 4 spacer 43 of clamping mutually, and core bar reseting pressuring spring 42 is sleeved on the spacer 43, its lower end roof pressure is on outer shroud platform upper surface, spacer 43 lower end.
Core bar 4 lower end closed, the sidewall of square core rod 4 is provided with the axial cylindrical void that lower end position is narrow, the top position, lower end is wide on core bar 4 lower surfaces, and the part that cylindrical void exposed ball seat 5 lower surfaces when core bar 4 moved down in main body 1 becomes gradually and plays the stream effect of transferring greatly.
Main body 1 by the plug screw 13 that links to each other through screw thread in order from the top down, go up main body 14, main body 15, loose liquid cover 16 and sand control cap 17 constitute down.The upper end roof pressure that drags for bar stage clip 21 is on plug screw 13.Cam mechanism 3 is made up of cam 31 and torsion spring, and cam 31 is hinged on the camshaft 18 on the main body 14, torsion spring one end is stuck on the main body 14, an end is stuck in and is sleeved on the camshaft 18 on the cam 31.On the main body 1 with core bar 4 on the internal thread 11 that matches of external screw thread 41 be located at down on the inwall of main body 15.The sidewall of liquid cover 16 of loosing be provided with core bar 4 sidewalls on the circumferential cylindrical void that is rotatably assorted of cylindrical void.
Claims (10)
1. controllable type blanking plug; It comprises main body (1), drags for bar (2) and cam mechanism (3); It is characterized in that: the below of dragging for bar (2) in the main body (1) is provided with the upper end with dragging for bar (2) lower end axial sliding fit and can be with the core bar (4) that drags for bar (2) rotation; Core bar (4) outer wall be provided with one section with main body (1) inwall on the external screw thread (41) that matches of internal thread (11), make core bar (4) dragged for bar (2) to drive can in main body (1), move axially up and down when rotating and realize transferring stream, be set with the upper end roof pressure on the core bar (4) at the core bar reseting pressuring spring (42) of main body (1) upper and lower end roof pressure on core bar (4); On main body (1) inwall of core bar (4) below the ball seat (5) that inwall cooperates with core bar (4) lower end outer wall slipper seal is installed; The interior ball seat of main body (1) (5) below is provided with valve ball (6), and the interior valve ball of main body (1) (6) below is provided with the upper end roof pressure at the valve ball stage clip (7) of valve ball (6) upper and lower end roof pressure on main body (1).
2. controllable type blanking plug as claimed in claim 1; It is characterized in that the said bar (2) that drags for endwisely slips and is installed in the upper end of main body (1); Drag for middle part that bar (2) is positioned at main body (1) and be set with the upper end roof pressure and dragging at main body (1) upper and lower end roof pressure and drag for bar stage clip (21) on the bar (2), drag for bar (2) and can be main body (1) in be contracted and drag for upwards slip of bar stage clip (21) by last pressure-raising; Cam mechanism (3) be positioned at drag for bar (2) below be hinged on dragged on the main body (1) bar (2) spacing, when dragging for bar (2) and be positioned at bottom, draw in main body (1), dragging for bar (2) by on when carrying cam mechanism (3) rotation be projected into outside the main body (1).
3. controllable type blanking plug as claimed in claim 2, it is characterized in that said drag for drag on the bar (2) be provided with between head (22) and main body (1) upper surface be stuck in drag between head (22) and main body (1) upper surface, side mouth and be sleeved on to drag for and be installed in the locating piece (24) that drags on the bar (2) on the bar (2), through bearing pin (23) from dragging for bar (2) sidepiece.
4. controllable type blanking plug as claimed in claim 2; It is characterized in that the said lower end slip cap that drags for bar (2) is equipped with drags for bar cover (25); The lower end of dragging for bar stage clip (21) is sleeved on the upper end of dragging for bar cover (25) and roof pressure on the upper surface of dragging for bar cover (25) outer shroud platform; Drag for and be set with the positioning sleeve (12) that is fixed in the main body (1) on the bar cover (25), the upper surface of the interior ring platform of positioning sleeve (12) lower end is stuck in the lower surface limit of dragging for bar cover (25) outer shroud platform from bottom to top and drags for bar cover (25) and move down.
5. controllable type blanking plug as claimed in claim 1; It is characterized in that said cam mechanism (3) below be provided be sleeved on that core bar (4) is gone up, is slidingly mounted in the main body (1), lower surface and core bar (4) spacer of clamping (43) mutually, core bar reseting pressuring spring (42) is sleeved on the spacer (43), its lower end roof pressure is on outer shroud platform upper surface, spacer (43) lower end.
6. controllable type blanking plug as claimed in claim 1; It is characterized in that said core bar (4) lower end closed; The sidewall of square core rod (4) is provided with the axial cylindrical void that lower end position is narrow, the top position, lower end is wide on core bar (4) lower surface, and the part that cylindrical void exposed ball seat (5) lower surface when core bar (4) moved down in main body (1) becomes gradually and plays the stream effect of transferring greatly.
7. controllable type blanking plug as claimed in claim 1, it is characterized in that said main body (1) by the plug screw (13) that links to each other through screw thread in order from the top down, go up main body (14), main body (15), loose liquid cover (16) and sand control cap (17) formation down.
8. controllable type blanking plug as claimed in claim 7; It is characterized in that said cam mechanism (3) is made up of cam (31) and torsion spring, cam (31) is hinged on the camshaft (18) on the main body (14), torsion spring one end is stuck on the main body (14), an end is stuck in and is sleeved on (18) on the camshaft on the cam (31).
9. controllable type blanking plug as claimed in claim 7, it is characterized in that said main body (1) go up with core bar (4) on the internal thread (11) that matches of external screw thread (41) be located at down on the inwall of main body (15).
10. controllable type blanking plug as claimed in claim 7, the sidewall that it is characterized in that said diffusing liquid cover (16) be provided with core bar (4) sidewall on the circumferential cylindrical void that is rotatably assorted of cylindrical void.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220281982 CN202628021U (en) | 2012-06-15 | 2012-06-15 | Controllable blanking plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220281982 CN202628021U (en) | 2012-06-15 | 2012-06-15 | Controllable blanking plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202628021U true CN202628021U (en) | 2012-12-26 |
Family
ID=47381229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220281982 Expired - Lifetime CN202628021U (en) | 2012-06-15 | 2012-06-15 | Controllable blanking plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202628021U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704890A (en) * | 2012-06-15 | 2012-10-03 | 马中原 | Controllable blanking plug |
| 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 |
-
2012
- 2012-06-15 CN CN 201220281982 patent/CN202628021U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704890A (en) * | 2012-06-15 | 2012-10-03 | 马中原 | Controllable blanking plug |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200731 Address after: 157000 Heilongjiang District, Mudanjiang City, Dongan Province East seven road Xin'an Street Woodworking Machinery Factory Patentee after: Mudanjiang Jinheng Petroleum Machinery Technology Co.,Ltd. Address before: 157000 No. 308 peony street, Xi'an District, Heilongjiang, Mudanjiang Patentee before: Ma Zhongyuan |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121226 |
|
| CX01 | Expiry of patent term |