CN216277774U - Hydraulic oil field well head quick plugging device - Google Patents
Hydraulic oil field well head quick plugging device Download PDFInfo
- Publication number
- CN216277774U CN216277774U CN202122131232.9U CN202122131232U CN216277774U CN 216277774 U CN216277774 U CN 216277774U CN 202122131232 U CN202122131232 U CN 202122131232U CN 216277774 U CN216277774 U CN 216277774U
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- CN
- China
- Prior art keywords
- oil pressure
- oil
- filler
- sealing
- backing plate
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- 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
Links
- 239000010720 hydraulic oil Substances 0.000 title claims abstract description 8
- 239000003921 oil Substances 0.000 claims abstract description 94
- 239000000945 filler Substances 0.000 claims abstract description 58
- 238000007789 sealing Methods 0.000 claims abstract description 52
- 238000012856 packing Methods 0.000 claims description 19
- 230000000694 effects Effects 0.000 abstract description 11
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a hydraulic oil field wellhead rapid plugging device which comprises a filler main body, a sealing mechanism, a pressing cover, an upper buffer spring, a lower buffer spring, an overflow port, an overflow box, a second oil pressure sensor, an oil pressure cylinder, an oil inlet pipe and an oil return pipe. Two filler pushing plates are arranged between an upper backing plate and a lower backing plate, a sealing oil pressure cavity is enclosed by the two filler pushing plates, the upper backing plate and the lower backing plate, so that an oil pressure cylinder supplies oil to the inside of the sealing oil pressure cavity to apply force to the two filler pushing plates, so that two fillers are attached, extruded and sealed, the sealing effect is better, an upper buffer spring and a lower buffer spring are respectively arranged at the upper end and the lower end of a sealing mechanism to apply force to buffer the displacement of the sealing mechanism, good sealing performance is ensured, when the sealing of the sealing mechanism fails due to overlarge internal oil pressure, oil flows out of an overflow port and enters an overflow box, and the oil pressure in a well can be monitored through a second oil pressure sensor, so that the oil supply pressure of the oil pressure cylinder is adjusted, and the effect of adjusting the sealing effect is achieved.
Description
Technical Field
The utility model relates to the technical field of oil exploitation, in particular to a hydraulic oil field wellhead quick plugging device.
Background
The oil extraction well mouth all produces the pressure of sealed effect for the shutoff well mouth inside through packing to the sucker rod, packing is sealed belongs to static seal, adaptability is not strong when producing the change to pressure, when the sealed length of packing is not enough, can't be with pressure shutoff in the well mouth, the sealed length of packing is overlength, there is the packing upper and lower part degree of compression to be greater than the degree of compression in the middle part of packing, after upper and lower packing wearing and tearing, the packing force in middle part is not enough, the condition of leaking takes place promptly, the extraction liquid of leaking is discharged to the external environment, there is the problem of polluted environment.
The existing sealer has poor sealing effect and influences the exploitation of petroleum.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a hydraulic oil field wellhead rapid plugging device to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a hydraulic oil field well mouth fast plugging device comprises a filler main body, a sealing mechanism, a pressing cover, an upper buffer spring, a lower buffer spring, an overflow port, an overflow box, a second oil pressure sensor, an oil pressure cylinder, an oil inlet pipe and an oil return pipe, wherein the sealing mechanism comprises an upper base plate, a lower base plate, a filler pushing plate, a sealed oil pressure cavity, a first oil pressure sensor, a slide rail and a filler, the sealing mechanism is arranged in the cavity enclosed by the filler main body and a sucker rod, the sealing mechanism is sleeved with the sucker rod, two filler pushing plates are arranged between the upper base plate and the lower base plate, the sealed oil pressure cavity is enclosed between the two filler pushing plates and the upper base plate and the lower base plate, the slide rails are arranged in one sides of the upper base plate and the lower base plate which are opposite, one ends of the two filler pushing plates are respectively connected with the two slide rails in a sliding manner, the filler is arranged on the outer side of the filler pushing plate, the oil pressure sensor is characterized in that the oil outlet end of the oil pressure cylinder is communicated with a sealed oil pressure cavity through an oil inlet pipe, the oil return end of the oil pressure cylinder is communicated with the sealed oil pressure cavity through an oil return pipe, a first oil pressure sensor is arranged in the sealed oil pressure cavity, one end of an upper buffer spring is fixed to the top end of an inner cavity of the filler main body, the bottom end of the upper buffer spring is connected with the top of the upper base plate, the bottom end of the inner cavity of the filler main body is fixed to the bottom end of a lower buffer spring, and the top end of the lower buffer spring is connected and fixed to the bottom end of the lower base plate.
Furthermore, the end part of the filler pushing plate is limited in the sliding rail to slide.
Furthermore, the top of the filler main body is provided with a pressing cover in threaded connection with the outer side of the top end of the filler main body.
Furthermore, an overflow port communicated with the inner cavity of the filler main body is arranged on the side surface of the filler main body close to the top, and an overflow box is fixedly arranged on one side of the filler main body below the overflow port.
Further, the packing is a packing.
Compared with the prior art, the utility model has the following beneficial effects: the utility model provides a hydraulic oil field well mouth rapid plugging device, which is characterized in that two filler pushing plates are arranged between an upper backing plate and a lower backing plate, a sealing oil pressure cavity is enclosed by the two filler pushing plates and the upper backing plate and the lower backing plate, so that an oil pressure cylinder supplies oil to the inside of the sealing oil pressure cavity to apply force to the two filler pushing plates, so that fillers on the side surfaces of the two filler pushing plates are respectively attached to, extruded and sealed on the inner wall of a filler main body and the outer wall of a sucker rod, so that the sealing effect is better, the upper and lower ends of the sealing mechanism are respectively provided with an upper buffer spring and a lower buffer spring to apply force and buffer the displacement of the sealing mechanism to ensure good sealing performance, when the sealing of the sealing mechanism fails due to overlarge internal oil pressure, the oil liquid flowing out of the overflow port enters the overflow box so that the working personnel can conveniently judge the sealing state of the interior, thereby can monitor the oil pressure in the well through second oil pressure sensor and adjust the fuel feeding pressure of pneumatic cylinder and reach sealed effect adjustable effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a hydraulic oilfield wellhead quick plugging device according to an embodiment of the utility model.
Fig. 2 is an enlarged schematic structural diagram at a point a of a hydraulic oilfield wellhead quick plugging device according to an embodiment of the utility model.
Reference numerals:
1. a filler body; 2. a sealing mechanism; 3. an upper base plate; 4. a lower base plate; 5. a filler push plate; 6. sealing the oil pressure cavity; 7. a slide rail; 8. a filler; 9. a compression cover; 10. an upper buffer spring; 11. a lower buffer spring; 12. a sucker rod; 13. an overflow port; 14. an overflow box; 15. a first oil pressure sensor; 16. a second oil pressure sensor; 17. an oil hydraulic cylinder; 18. an oil inlet pipe; 19. an oil return pipe.
Detailed Description
The utility model is further described with reference to the following drawings and detailed description:
in the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-2, a hydraulic oilfield wellhead quick plugging device according to an embodiment of the present invention includes a packer main body 1, a sealing mechanism 2, a pressing cover 9, an upper buffer spring 10, a lower buffer spring 11, an overflow port 13, an overflow box 14, a second oil pressure sensor 16, an oil pressure cylinder 17, an oil inlet pipe 18, and an oil return pipe 19, where the sealing mechanism 2 includes an upper pad plate 3, a lower pad plate 4, a packing pushing plate 5, a sealing oil pressure chamber 6, a first oil pressure sensor 15, a slide rail 7, and a packing 8, the sealing mechanism 2 is disposed in a chamber enclosed by the packer main body 1 and a sucker rod 12, the sealing mechanism 2 is sleeved with the sucker rod 12, two packing pushing plates 5 are disposed between the upper pad plate 3 and the lower pad plate 4, the sealing oil pressure chamber 6 is enclosed between the two packing pushing plates 5 and the upper pad plate 3 and the lower pad plate 4, the upper pad plate 3, the lower pad plate 4, and the upper pad plate 3, All be equipped with slide rail 7 in the relative one side of lower bolster 4, two the one end that the filler bulldozes board 5 respectively with two slide rail 7 sliding connection, the outside that the filler bulldozed board 5 is equipped with filler 8, the end that produces oil of oil pressure cylinder 17 is through advancing oil pipe 18 and sealed oil pressure chamber 6 intercommunication, the oil return end of oil pressure cylinder 17 is through returning oil pipe 19 and sealed oil pressure chamber 6 intercommunication, and sealed oil pressure chamber 6 is inside to be equipped with first oil pressure sensor 15, the one end of buffer spring 10 is fixed on the inner chamber top of applier main part 1, the bottom of going up buffer spring 10 is connected the top of upper bolster 3, the inner chamber bottom mounting of applier main part 1 the bottom of buffer spring 11 down, the top of buffer spring 11 is connected fixedly down the bottom of lower bolster 4.
Through the scheme of the utility model, the end part of the filler pushing plate 5 is limited in the sliding rail 7 to slide, so that the movement reliability of the filler pushing plate is ensured.
Through the scheme of the utility model, the top of the filler main body 1 is provided with the pressing cover 9 in threaded connection with the outer side of the top end of the filler main body for pressing and mounting.
According to the scheme of the utility model, the side surface of the filler main body 1 close to the top is provided with the overflow port 13 communicated with the inner cavity of the filler main body, the overflow box 14 is fixedly arranged on one side of the filler main body 1 below the overflow port 13, and when the sealing of the internal oil pressure overlarge sealing mechanism 2 fails, oil flows out through the overflow port 13 and enters the overflow box 14, so that a worker can conveniently judge the sealing state of the inside.
Through the scheme of the utility model, the packing 8 is a packing.
Specifically, two filler pushing plates 5 are arranged between an upper backing plate 3 and a lower backing plate 4, a sealed oil pressure cavity 6 is enclosed by the two filler pushing plates 5, the upper backing plate 3 and the lower backing plate 4, so that an oil pressure cylinder 17 supplies oil to the inside of the sealed oil pressure cavity 6 to apply force to the two filler pushing plates 5, so that the fillers on the side surfaces of the two filler pushing plates 5 are respectively attached to, extruded and sealed on the inner wall of a filler main body 1 and the outer wall of a sucker rod 12, so that the sealing effect is better, the upper and lower ends of the sealing mechanism 2 are respectively provided with an upper buffer spring 10 and a lower buffer spring 11 to apply force and buffer the displacement of the sealing mechanism 2 to ensure good sealing, when the sealing of the sealing mechanism 2 fails due to overlarge internal oil pressure, the oil liquid flowing out of the overflow port 13 enters the overflow box 14 so that the staff can conveniently judge the sealing state of the interior, the oil pressure in the well can be monitored through the second oil pressure sensor 16, so that the oil supply pressure of the oil pressure cylinder 17 is adjusted, and the effect of adjustable sealing effect is achieved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A hydraulic oil field wellhead quick plugging device is characterized by comprising a filler main body (1), a sealing mechanism (2), a pressing cover (9), an upper buffer spring (10), a lower buffer spring (11), an overflow port (13), an overflow box (14), a second oil pressure sensor (16), an oil pressure cylinder (17), an oil inlet pipe (18) and an oil return pipe (19), wherein the sealing mechanism (2) comprises an upper backing plate (3), a lower backing plate (4), a filler pushing plate (5), a sealing oil pressure cavity (6), a first oil pressure sensor (15), a sliding rail (7) and a filler (8), the sealing mechanism (2) is arranged in a cavity enclosed by the filler main body (1) and a sucker rod (12), the sealing mechanism (2) is sleeved with the sucker rod (12), two filler pushing plates (5) are arranged between the upper backing plate (3) and the lower backing plate (4), a sealing oil pressure cavity (6) is enclosed between the two filler pushing plates (5) and the upper backing plate (3) and the lower backing plate (4), a slide rail (7) is arranged in one side of the upper backing plate (3) opposite to the lower backing plate (4), one end of each of the two filler pushing plates (5) is respectively in sliding connection with the two slide rails (7), a filler (8) is arranged on the outer side of each filler pushing plate (5), the oil outlet end of the oil pressure cylinder (17) is communicated with the sealing oil pressure cavity (6) through an oil inlet pipe (18), the oil return end of the oil pressure cylinder (17) is communicated with the sealing oil pressure cavity (6) through an oil return pipe (19), a first oil pressure sensor (15) is arranged inside the sealing oil pressure cavity (6), one end of an upper buffer spring (10) is fixed at the top end of the inner cavity of the filler main body (1), and the bottom end of the upper buffer spring (10) is connected with the top of the upper backing plate (3), the bottom end of the inner cavity of the filler main body (1) is fixed to the bottom end of the lower buffer spring (11), and the top end of the lower buffer spring (11) is fixedly connected to the bottom end of the lower backing plate (4).
2. The hydraulic oilfield wellhead quick plugging device according to claim 1, wherein the end of the packing pushing and pressing plate (5) is limited to slide in the sliding rail (7).
3. A hydraulic oilfield wellhead quick plugging device according to claim 1, characterized in that the top of the packer body (1) is provided with a pressing cover (9) screwed with the outside of the top end thereof.
4. The quick hydraulic oilfield wellhead plugging device according to claim 1, wherein an overflow port (13) communicated with an inner cavity of the packer body (1) is formed in the side surface of the packer body (1) close to the top, and an overflow box (14) is fixedly installed on one side of the packer body (1) below the overflow port (13).
5. The hydraulic oilfield wellhead quick plugging device according to claim 1, wherein the packing (8) is a packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122131232.9U CN216277774U (en) | 2021-09-06 | 2021-09-06 | Hydraulic oil field well head quick plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122131232.9U CN216277774U (en) | 2021-09-06 | 2021-09-06 | Hydraulic oil field well head quick plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216277774U true CN216277774U (en) | 2022-04-12 |
Family
ID=81063212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122131232.9U Expired - Fee Related CN216277774U (en) | 2021-09-06 | 2021-09-06 | Hydraulic oil field well head quick plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216277774U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116641704A (en) * | 2023-07-25 | 2023-08-25 | 大庆新顺丰石油科技开发有限公司 | Wellhead sampling device for oil field and application method thereof |
-
2021
- 2021-09-06 CN CN202122131232.9U patent/CN216277774U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116641704A (en) * | 2023-07-25 | 2023-08-25 | 大庆新顺丰石油科技开发有限公司 | Wellhead sampling device for oil field and application method thereof |
| CN116641704B (en) * | 2023-07-25 | 2023-10-20 | 大庆新顺丰石油科技开发有限公司 | Wellhead sampling device for oil field and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20220412 |