CN214576883U - Oil layer protection well-flushing device - Google Patents
Oil layer protection well-flushing device Download PDFInfo
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- CN214576883U CN214576883U CN202120288287.8U CN202120288287U CN214576883U CN 214576883 U CN214576883 U CN 214576883U CN 202120288287 U CN202120288287 U CN 202120288287U CN 214576883 U CN214576883 U CN 214576883U
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Abstract
The utility model relates to an oil recovery equipment field, concretely relates to oil reservoir protection well-flushing device. Including the top connection, the top connection lower extreme is fixed with flexible pipe, and flexible pipe is pegged graft in the cover, and the sleeve pipe lower extreme is fixed with the connecting pipe, installs oil jacket annular sealing device on the connecting pipe, and the connecting pipe lower extreme is fixed with the single current valve, and the single current valve lower extreme is fixed with the lower clutch, oil jacket annular sealing device is including fixing the lantern ring on the connecting pipe, and the lantern ring upper end is fixed with the rubber tile, and the fixed block all is fixed with the connecting rod towards one side of connecting pipe, and the connecting rod is fixed with vertical pin towards one of connecting pipe, and all can dismantle on the connecting pipe of both sides about the pin and be fixed with the stabilizing ring, has all seted up the annular on the relative terminal surface of two stabilizing rings, and the pin tip is located the annular of its one side. The utility model discloses, sealing performance is good, and sealing member long service life can effectual protection sealing member when lifting the well-flushing device, and it is convenient to change the sealing member, can reduce the well-flushing cost.
Description
Technical Field
The utility model relates to an oil recovery equipment field, concretely relates to oil reservoir protection well-flushing device.
Background
During the well washing process of the oil well pump, more or less oil layer pollution is caused by the fact that the well washing liquid enters the stratum, so that the water content of the oil well is high for several days after the well washing, or the well washing liquid cannot return to the ground and directly enters the oil layer, and the yield of crude oil is greatly influenced. The existing oil layer protection well washing device utilizes a sealing element to seal the annular space of an oil sleeve, so that the well washing liquid is prevented from flowing into an oil layer, but after the well washing is completed, the sealing element is easy to damage when the well washing device is lifted, so that the well washing device cannot be recycled, and when the sealing element is damaged, the sealing element of the existing well washing device is inconvenient to replace. In the well washing process, when the oil pump works, the extension and the shortening of the oil pipe drive the sealing element to move, so that the sealing element is damaged, the sealing performance is lost, and the service life of the sealing element is short.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a sealing performance is good, sealing member long service life, the oil reservoir protection well-flushing device that can effectual protection sealing member when lifting well-flushing device.
In order to realize the purpose, the utility model provides a technical scheme is:
an oil layer protection well washing device comprises an upper joint, wherein a telescopic pipe is fixed at the lower end of the upper joint and is inserted in a sleeve, two baffle rings which are symmetrical up and down are fixed in the sleeve, the telescopic pipe penetrates through the two baffle rings and is connected with the two baffle rings in a sliding and sealing manner, a sliding ring is fixed on the telescopic pipe between the two baffle rings, the outer edge of the sliding ring is connected with the inner edge of the sleeve in a sliding and sealing manner, a spring is sleeved on the telescopic pipe between the sliding ring and the baffle rings, a connecting pipe is fixed at the lower end of the sleeve, an oil sleeve annular sealing device is installed on the connecting pipe, a check valve is fixed at the lower end of the connecting pipe, a lower joint is fixed at the lower end of the check valve, the oil sleeve annular sealing device comprises a sleeve ring fixed on the connecting pipe, rubber tiles are fixed at the upper end of the sleeve, a plurality of fixed blocks are uniformly distributed and fixed on one side of the fixed blocks facing the connecting pipe, and a connecting rod penetrates through the rubber tile part between the fixed blocks and the connecting pipe, one of the connecting rod towards the connecting pipe is fixed with a vertical stop lever, the connecting pipe on the upper side and the lower side of the stop lever can be fixed with stabilizing rings in a detachable manner, the opposite end faces of the two stabilizing rings are provided with annular grooves, the end part of the stop lever is positioned in the annular groove on one side of the stop lever, and the end part of the stop lever allows the annular groove on one side of the stop lever to move.
Specifically, the lantern ring is in threaded connection with the connecting pipe, and the connecting pipes on the upper side and the lower side of the lantern ring are both in threaded connection with locking rings for fixing the lantern ring.
Specifically, a centralizer is fixed on a connecting pipe below the oil sleeve annular sealing device.
Specifically, the lantern ring upper end is fixed with the bulge loop, and annular recess has been seted up to the rubber tile lower extreme, and the bulge loop is pegged graft in the recess, and rubber tile lower extreme vulcanizes integrated into one piece with the bulge loop high temperature.
Specifically, the stabilizing ring is in threaded connection with the connecting pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses, simple structure, convenient to use, sealing performance is good, and sealing member long service life can effectual protection sealing member when lifting the well-flushing device, and it is convenient to change the sealing member, can reduce the well-flushing cost.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of the area a in fig. 1.
Detailed Description
As shown in fig. 1-2, an oil layer protection well washing device comprises an upper joint 1, wherein a telescopic pipe 2 is fixed at the lower end of the upper joint 1, the telescopic pipe 2 is inserted into a sleeve 3, two blocking rings 4 which are symmetrical up and down are fixed in the sleeve 3, the telescopic pipe 2 penetrates through the two blocking rings 4 and is connected with the two blocking rings in a sliding and sealing manner, a sliding ring 5 is fixed on the telescopic pipe 2 between the two blocking rings 4, the outer edge of the sliding ring 5 is connected with the inner edge of the sleeve 3 in a sliding and sealing manner, a spring 6 is sleeved on the telescopic pipe 2 between the sliding ring 5 and the blocking rings 4, a connecting pipe 7 is fixed at the lower end of the sleeve 3, an oil sleeve annulus sealing device is installed on the connecting pipe 7, a centralizer 8 is fixed on the connecting pipe 7 below the oil sleeve annulus sealing device, a valve 9 is fixed at the lower end of the connecting pipe 7, and a lower joint 10 is fixed at the lower end of the check valve 9.
The oil sleeve annulus sealing device comprises a lantern ring 11 fixed on a connecting pipe 7, the lantern ring 11 is in threaded connection with the connecting pipe 7, locking rings 12 for fixing the lantern ring 11 are in threaded connection with the connecting pipes 7 on the upper side and the lower side of the lantern ring 11, a rubber tile 13 is fixed at the upper end of the lantern ring 11, a convex ring 19 is fixed at the upper end of the lantern ring 11, an annular groove 20 is formed at the lower end of the rubber tile 13, the convex ring 19 is inserted into the groove 20, the lower end of the rubber tile 13 and the convex ring 19 are integrally formed through high-temperature vulcanization, a plurality of fixing blocks 14 are uniformly distributed and fixed on the inner circumference of the rubber tile 13, a connecting rod 15 is fixed on one side of each fixing block 14 facing the connecting pipe 7, one end of each connecting rod 15 facing the connecting pipe 7 penetrates through the rubber tile 13 between the fixing block 14 and the connecting pipe 7, a vertical stop lever 16 is fixed on one end of each connecting rod 15 facing the connecting pipe 7 on the upper side and the lower side of each stop lever 16, and a stabilizing ring 17 can be detachably fixed on each connecting pipe 7, the stabilizing rings 17 are in threaded connection with the connecting pipe 7, annular grooves 18 are formed in the opposite end faces of the two stabilizing rings 17, the end portion of the stop lever 16 is located in the annular groove 18 on one side of the stop lever, and the end portion of the stop lever 16 is allowed to move in the annular groove 18 on one side of the stop lever.
The utility model discloses during the use, with it along with oil pipe down set for the degree of depth in the well, rubber tile 13 can seal the oil jacket annular space, when the oil-well pump during operation, top oil pipe extension or when shortening, flexible pipe 2 can be at the intraductal up-and-down motion of sleeve pipe 3, consequently connecting pipe 7 can not be along with the oil pipe motion of top, rubber tile 13 can seal the oil jacket annular space all the time, prevent that well-flushing liquid from entering into in the oil reservoir, under spring 6's elastic action, sliding ring 5 can be in two and keep off between ring 4, guarantee sliding ring 5 at the surplus of motion between two fender rings 4, thereby in top oil pipe's motion process, guarantee flexible pipe 2 and the cooperation of sleeve pipe 3 and can offset top oil pipe's motion.
Because the stop lever 16 is positioned in the annular groove 18 of the stabilizing ring 17, when the well washing device is lifted, after the rubber tile 13 is stressed, under the blocking effect of the annular groove 18 on the stop lever 16 and the pulling force effect of the connecting rod 15 and the fixing block 14 on the rubber tile 13, the rubber tile 13 can be effectively prevented from being seriously deformed and damaged, the rubber tile 13 can be effectively protected in the process of lifting the well washing device, and when the rubber tile 13 seals the oil sleeve annular space, the end part of the stop lever 16 is allowed to move in the annular groove 18 on one side of the stop lever, so that the sealing of the rubber tile 13 on the oil sleeve annular space cannot be influenced.
The utility model discloses, simple structure, convenient to use, sealing performance is good, and sealing member long service life can effectual protection sealing member when lifting the well-flushing device, and it is convenient to change the sealing member, can reduce the well-flushing cost.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. An oil layer protection well washing device comprises an upper joint and is characterized in that a telescopic pipe is fixed at the lower end of the upper joint and is inserted in a sleeve, two baffle rings which are symmetrical up and down are fixed in the sleeve, the telescopic pipe penetrates through the two baffle rings and is connected with the two baffle rings in a sliding and sealing manner, a sliding ring is fixed on the telescopic pipe between the two baffle rings, the outer edge of the sliding ring is connected with the inner edge of the sleeve in a sliding and sealing manner, a spring is sleeved on the telescopic pipe between the sliding ring and the baffle rings, a connecting pipe is fixed at the lower end of the sleeve, an oil sleeve annulus sealing device is installed on the connecting pipe, a check valve is fixed at the lower end of the connecting pipe, a lower joint is fixed at the lower end of the check valve, the oil sleeve annulus sealing device comprises a sleeve ring fixed on the connecting pipe, rubber tiles are fixed at the upper end of the sleeve ring, a plurality of fixing blocks are uniformly distributed and fixed on one side of the connecting pipe, and one end of the connecting rod, which faces the connecting pipe, penetrates through the rubber tile part between the fixing block and the connecting pipe, one of the connecting rod towards the connecting pipe is fixed with a vertical stop lever, the connecting pipe on the upper side and the lower side of the stop lever can be fixed with stabilizing rings in a detachable manner, the opposite end faces of the two stabilizing rings are provided with annular grooves, the end part of the stop lever is positioned in the annular groove on one side of the stop lever, and the end part of the stop lever allows the annular groove on one side of the stop lever to move.
2. The reservoir protection well washing device of claim 1, wherein the lantern ring is in threaded connection with the connecting pipe, and locking rings for fixing the lantern ring are in threaded connection with the connecting pipes on the upper side and the lower side of the lantern ring.
3. The pay-as-you-go apparatus of claim 1, wherein a centralizer is affixed to the connecting tubing below the oil jacket annulus seal.
4. The oil reservoir protection well washing device as claimed in claim 1, wherein a convex ring is fixed at the upper end of the sleeve ring, an annular groove is formed at the lower end of the rubber tile, the convex ring is inserted into the groove, and the lower end of the rubber tile and the convex ring are integrally formed through high-temperature vulcanization.
5. The pay protection flushing device of claim 1, wherein the stabilizer ring is threadedly connected to a connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120288287.8U CN214576883U (en) | 2021-02-02 | 2021-02-02 | Oil layer protection well-flushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120288287.8U CN214576883U (en) | 2021-02-02 | 2021-02-02 | Oil layer protection well-flushing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214576883U true CN214576883U (en) | 2021-11-02 |
Family
ID=78315069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120288287.8U Active CN214576883U (en) | 2021-02-02 | 2021-02-02 | Oil layer protection well-flushing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214576883U (en) |
-
2021
- 2021-02-02 CN CN202120288287.8U patent/CN214576883U/en active Active
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