CN202510088U - Rotary type oil draining device - Google Patents
Rotary type oil draining device Download PDFInfo
- Publication number
- CN202510088U CN202510088U CN2012200232626U CN201220023262U CN202510088U CN 202510088 U CN202510088 U CN 202510088U CN 2012200232626 U CN2012200232626 U CN 2012200232626U CN 201220023262 U CN201220023262 U CN 201220023262U CN 202510088 U CN202510088 U CN 202510088U
- Authority
- CN
- China
- Prior art keywords
- oil draining
- sleeve
- central tube
- oil
- tubing
- 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 - Fee Related
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Abstract
A rotary type oil draining device is composed of a central tube, a reversing sleeve, a centralizer, a friction block, a spring piece, an oil draining sleeve and O-type rings. When descending into a well, the oil draining device is connected to the upper end of an oil well pump, a boss on the central tube is hung in a straight groove of the reversing sleeve, an oil draining hole on the central tube is placed between two groups of the O-type rings in the oil draining sleeve, and the inside and the outside of a tubing are sealed. When the oil drainage is needed, atubing stringis lowered and rotated right-handedly so as to enable the boss on the central tube to rotate out of the straight groove of the reversing sleeve and into a spiral groove; the tubing string is lifted, under the rubbing action of the friction block with a casing, the centralizer and the oil draining sleeve keep still, the oil draining hole moves out of the oil draining sleeve, the inside and the outside of the tubing are communicated, and liquid in the tubing is drained into the well; and when the oil draining device is required to be closed, the tubing string is lowered, the boss on the central tube returns automatically to the straight groove of the reversing sleeve, the oil draining hole returns to the position between the two groups of the O-type rings in the oil draining sleeve simultaneously, and the inside and the outside of the tubing are recovered to the sealing state.
Description
Technical field
The utility model relates to the employed bleeder of oil field petroleum production engineering, especially a kind of rotary bleeder that is used on the oil rig.
Background technology
When pumping unit of oil well was worked, oil well pump was arranged in oil well, and the oil well pump upper end is connected with tubing string.In the time will overhauling to oil well pump, need earlier tubing string to be tripped out, owing to there is long-pending oil in the tubing string, if directly trip out without draining, long-pending oil will be revealed outside well, pollutes and wastes.The drainage device that prior art adopts generally is installed in the oil well pump bottom, needs earlier rod string and oil well pump piston to be tripped out, and could throw the bar draining, if sucker rod is disconnected, the oil well pump piston can't trip out, and then can not throw the bar draining; Simultaneously, the drainage device that prior art adopts is a disposable apparatus, and in a single day drainage device is opened aborning, can't recover, and can only go up operation and play flowline, roofbolt and oil well pump, very uneconomical.
Summary of the invention
The novel purpose of this use is to the existing defective of prior art, provide a kind of applied widely, easy and simple to handle, can realize closing bleeder and use repeatedly, do not play the rotary bleeder that rod string also can be realized draining.
The technical scheme that the utility model adopted is: rotary bleeder is made up of central tube, reversing cover, centralizer body, brake pad, spring leaf, draining cover, O type circle; The draining set upper side is provided with screw thread and is connected with centralizer body; Endoporus is provided with two groups of seal grooves; Two groups of O type circles will place draining hole sealing therebetween, keep the oil pipe inner and outer sealing.
Reversing cover is the open circles column sleeve, and the lower end is provided with screw thread and is connected with centralizer body and brake pad is limited in the centralizer body groove, on top symmetry be provided with straight trough and helicla flute, straight trough one end and helicla flute one end are crossing, the parallel axes of straight trough and central tube.
The advantage of the utility model is novel structure, and is easy and simple to handle, except realizing draining not rising under the rod string situation, can also realize closing bleeder and uses repeatedly, avoids carrying liqs lift pipe string contaminated environment.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Accompanying drawing: the utility model structural principle sketch map.
Among the figure: central tube 1, boss 2, reversing cover 3, centralizer body 4, brake pad 5, spring leaf 6, draining cover 7, draining hole 8, O type circle 9 are formed.
The specific embodiment
With reference to accompanying drawing, the utility model is made up of central tube 1, reversing cover 3, centralizer body 4, brake pad 5, spring leaf 6, draining cover 7, O type circle 9.Central tube 1 two ends are provided with tubing round thread and are connected on the tubing string, and top is provided with two boss 2 of symmetry, and the bottom is provided with draining hole 8, and reversing cover 3, centralizer body 4, draining cover 7 are installed on the central tube 1 from top to bottom; Reversing cover 3 is the open circles column sleeve, and the lower end is provided with screw thread and is connected with centralizer body 4 and brake pad 5 is limited in the centralizer body groove, on top symmetry be provided with straight trough and helicla flute, straight trough one end and helicla flute one end are crossing, the parallel axes of straight trough and central tube 1; Centralizer body 4 upper and lower ends are equipped with screw thread and are connected with draining cover 7 with reversing cover 3, and the outside is provided with the groove with parallel axes, and brake pad 5 is installed in centralizer body 4 grooves, is pressed on the spring leaf 6, and the bottom is provided with radial direction through hole; Draining overlaps 7 upper ends and is provided with screw thread and is connected with centralizer body 4, and endoporus is provided with two groups of seal grooves, and two groups of O type circles 9 will place draining hole 8 sealings therebetween, keep the oil pipe inner and outer sealing.Boss 2 is positioned at the straight trough of reversing cover 3 when going into the well, and draining hole 8 is limited between 7 liang of groups of draining cover O type circle 9, the oil pipe inner and outer sealing.When needing draining, transfer dextrorotation, on carry tubing string because under the rubbing action of brake pad 5 and casing wall; Centralizer body 4, draining cover 7 keep motionless; Boss 2 gets into helicla flute from reversing cover 3 straight troughs, moves on the central tube 1, and draining cover 7 is shifted out in draining hole 8; Oil pipe is inside and outside to be communicated with, and liquid leaks in the well in the oil pipe; If need close the draining passage, transfer tubing string, boss 2 is got back in the straight trough of reversing cover 3 automatically, and draining hole 8 is got back between 7 liang of groups of draining cover O type circle 9 simultaneously, recovers sealing inside and outside the oil pipe.
Claims (2)
1. rotary bleeder is made up of central tube (1), reversing cover (3), centralizer body (4), brake pad (5), spring leaf (6), draining cover (7), O type circle (9); It is characterized in that: draining cover (7) upper end is provided with screw thread and is connected with centralizer body (4); Endoporus is provided with two groups of seal grooves; Two groups of O type circles (9) will place draining hole (8) sealing therebetween, keep the oil pipe inner and outer sealing.
2. according to right 1 described rotary bleeder; It is characterized in that reversing cover (3) is the open circles column sleeve; The lower end is provided with screw thread and is connected with centralizer body (4) and brake pad (5) is limited in centralizer body (4) groove; Top symmetry be provided with straight trough and helicla flute, straight trough one end and helicla flute one end are crossing, the parallel axes of straight trough and central tube (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200232626U CN202510088U (en) | 2011-06-23 | 2012-01-18 | Rotary type oil draining device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120238911 | 2011-06-23 | ||
| CN201120238911.X | 2011-06-23 | ||
| CN2012200232626U CN202510088U (en) | 2011-06-23 | 2012-01-18 | Rotary type oil draining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202510088U true CN202510088U (en) | 2012-10-31 |
Family
ID=47062580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200232626U Expired - Fee Related CN202510088U (en) | 2011-06-23 | 2012-01-18 | Rotary type oil draining device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202510088U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11591883B2 (en) | 2020-11-12 | 2023-02-28 | Plainsman Mfg. Inc. | Tubing drain with burst inner body |
-
2012
- 2012-01-18 CN CN2012200232626U patent/CN202510088U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11591883B2 (en) | 2020-11-12 | 2023-02-28 | Plainsman Mfg. Inc. | Tubing drain with burst inner body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20140118 |