CN214273598U - Valve plate type lower liquid feeding non-well killing device - Google Patents
Valve plate type lower liquid feeding non-well killing device Download PDFInfo
- Publication number
- CN214273598U CN214273598U CN202022918230.XU CN202022918230U CN214273598U CN 214273598 U CN214273598 U CN 214273598U CN 202022918230 U CN202022918230 U CN 202022918230U CN 214273598 U CN214273598 U CN 214273598U
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- valve
- assembly
- track
- plugging
- pump
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- Expired - Fee Related
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- 239000007788 liquid Substances 0.000 title abstract description 12
- 238000007789 sealing Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000007689 inspection Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000010793 Steam injection (oil industry) Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 230000002595 cold damage Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a valve plate type lower liquid feeding non-well killing device, which comprises a track valve type pump and a non-well killing plugging assembly, wherein the track valve type pump is provided with a pump barrel, the non-well killing plugging assembly is provided with a plugging pipe, a plunger assembly and a track valve assembly are arranged in the pump barrel, and a mandrel assembly is arranged in the plugging pipe; the utility model has the advantages that: the underground pipe is plugged to isolate the pressure at the lower part of the oil pipe, the structure is simple and reasonable, the performance is reliable, the snubbing workover or pump inspection operation is realized, the underground pressure can be conveniently plugged for many times, and the safe, efficient, environment-friendly and energy-saving production is realized.
Description
Technical Field
The utility model relates to an oil field oil pipe operation instrument, specifically speaking are liquid feed snubbing and area under valve plate formula are pressed and are repaired well or are examined pump operation device belongs to oil field oil pipe operation instrument field.
Background
In the process of repairing or detecting a pump of an oil production well in an oil field, in order to prevent underground oil from being sprayed out of the ground through an inner hole of an oil pipe, conventionally, well killing operation is adopted, and well killing liquid with high density is poured into the stratum so as to kill underground media. There are a number of problems, such as:
1. when the formation pressure is too high, the well killing fluid cannot effectively control the underground medium, the operation needs to be stopped, the construction is continued after the formation pressure is stable, and the operation efficiency is low;
2. some chemical components in the well killing fluid pollute the stratum, possibly block the stratum and reduce the yield of the oil well;
3. the killing fluid produces cold damage to the high-temperature steam injection well of the thickened oil, and after killing the well, steam needs to be injected again to enable the stratum to recover the normal production temperature, so that repeated steam injection is caused, and the steam injection cost is greatly increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to design a feed liquor snubbing serving device under valve plate formula, from shutoff pipeline in the pit, isolated oil pipe lower part pressure, simple structure is reasonable, and the dependable performance has realized snubbing serving or has examined the pump work, can conveniently many times shutoff downhole pressure, realizes safe, high-efficient, environmental protection, energy-conserving production.
The technical scheme of the utility model is that:
a valve plate type lower liquid feeding non-well killing device comprises a track valve type pump and a non-well killing plugging assembly, wherein the track valve type pump is provided with a pump cylinder, the non-well killing plugging assembly is provided with a plugging pipe, a plunger assembly and a track valve assembly are arranged in the pump cylinder, a mandrel assembly is arranged in the plugging pipe, and the mandrel and a bush are matched and sealed to prevent produced liquid from flowing downwards;
the pump cylinder is sequentially provided with a pump cylinder coupling, a pump cylinder body and a lining from top to bottom;
the lower part of the bushing is connected with the snubbing plugging assembly and is used for isolating the pressure at the lower part of the oil pipe, so that snubbing workover or pump inspection operation is realized.
The lower end of the plunger assembly is provided with a disconnecting track, the upper end of the track valve assembly is provided with a disconnecting track joint corresponding to the disconnecting track, and the butt joint and the releasing can be achieved by lifting and operating a lower rod column;
the periphery of the track valve assembly is provided with a track valve seat cover which is matched with the track valve seat cover for sealing and preventing produced liquid from flowing downwards; the lower end of the track valve assembly is provided with a push pipe, the push pipe and the non-well-killing plugging assembly are provided with a valve seat and are connected with a valve plate and the valve seat through pin shafts, the pin shafts are provided with torsional springs, the valve plate rotates 90 degrees through the pin shafts, the push pipe downwards pushes the valve plate to rotate 90 degrees through the pin shafts, the valve plate is opened, the push pipe upwards pushes the valve plate torsional springs to rotate 90 degrees through the pin shafts, and the valve plate is closed;
the snubbing plugging assembly is characterized in that the snubbing plugging assembly is provided with a valve seat and a valve plate, the valve seat is connected with the valve plate through a pin shaft, a torsion spring is arranged at the pin shaft, the valve plate rotates 90 degrees through the pin shaft, and the sealing surface of the valve seat and the valve plate is sealed by matching a conical surface and a spherical surface.
The utility model has the advantages that: the underground pipe is plugged to isolate the pressure at the lower part of the oil pipe, the structure is simple and reasonable, the performance is reliable, the snubbing workover or pump inspection operation is realized, the underground pressure can be conveniently plugged for many times, and the safe, efficient, environment-friendly and energy-saving production is realized.
The present invention will be further explained with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic structural view of a valve plate type lower liquid inlet non-well killing device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an orbit valve type pump according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a pump barrel according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of the push pipe according to the embodiment of the present invention;
fig. 5 is a schematic structural diagram of a snubbing plugging assembly according to an embodiment of the present invention;
FIG. 6 is a structural diagram of a valve plate switch of the oil well pump according to the embodiment of the present invention;
FIG. 7 is a structural diagram of an oil pumping state of the embodiment of the present invention;
in the figure: 1-oil pipe, 2-orbit valve type pump, 3-top pipe, 4-no-killing plugging assembly, 21-pump cylinder, 22-plunger assembly, 23-orbit valve assembly, 211-pump cylinder coupling, 212-pump cylinder body, 213 bushing, 41-upper joint, 42-shell, 43-valve seat, 44-stop, 45 torsion spring and 46-valve plate.
Detailed Description
The following description of the preferred embodiments of the present invention is provided for the purpose of illustration and description, and is not intended to limit the invention.
Example 1
As shown in fig. 1-7, a valve plate type lower liquid feeding non-well killing device comprises a rail valve type pump 2 and a non-well killing plugging assembly 4, wherein the rail valve type pump 2 is provided with a pump cylinder 21, the non-well killing plugging assembly 4 is provided with a plugging pipe, a plunger assembly 22 and a rail valve assembly 23 are arranged in the pump cylinder 21, a mandrel assembly is arranged in the plugging pipe, and the mandrel is matched with a lining 213 to seal and prevent produced liquid from flowing downwards;
the upper portion of pump barrel 21 is equipped with oil pipe 1, and oil pipe 1 is connected to the well head, about 1000 meters more.
The pump cylinder 21 is sequentially provided with a pump cylinder coupling 211, a pump cylinder body 212 and a lining 213 from top to bottom;
the lower part of the bushing 213 is connected with the snubbing serving assembly 4 and is used for isolating the pressure at the lower part of the oil pipe, so that snubbing serving or pump inspection operation is realized.
The lower end of the plunger assembly 22 is provided with a disconnecting track, the upper end of the track valve assembly 23 is provided with a disconnecting track joint corresponding to the disconnecting track, and butt joint and releasing can be achieved by lifting and operating a lower rod column;
the periphery of the track valve assembly 23 is provided with a track valve seat cover which is matched with the track valve seat cover for sealing and preventing produced liquid from flowing downwards; the lower end of the track valve assembly 23 is provided with a top pipe 3, the lower end of the track valve assembly is provided with a top pipe, the bottom pipe and the non-well-killing plugging assembly are provided with a valve seat and are connected with a valve plate and the valve seat and the valve plate through pin shafts, the pin shafts are provided with torsional springs, the valve plate rotates 90 degrees through the pin shafts, the top pipe downwards pushes the valve plate to rotate 90 degrees through the pin shafts, the valve plate is opened, the top pipe upwards moves the valve plate 45 torsional springs to push the pin shafts to rotate 90 degrees, and the valve plate is closed;
the snubbing plugging assembly 4 is provided with a valve seat 43 and a valve plate 46, the valve seat 43 is connected with the valve plate 46 through a pin shaft, a torsion spring 45 is arranged at the pin shaft, the valve plate 46 rotates 90 degrees through the pin shaft, and the sealing surface of the valve seat 43 and the valve plate 46 is a conical surface and is matched and sealed with a spherical surface.
The snubbing serving assembly 4 is further provided with a shell 42, an upper connector 41 is arranged at the upper part of the shell 42, and a stop 44 is arranged on the inner side of the valve seat 43.
Claims (4)
1. The utility model provides a feed liquor snubbing device under valve plate formula which characterized in that: the device comprises a track valve type pump and a snubbing plugging assembly, wherein the track valve type pump is provided with a pump barrel, the snubbing plugging assembly is provided with a plugging pipe, a plunger assembly and a track valve assembly are arranged in the pump barrel, and a mandrel assembly is arranged in the plugging pipe; the pump cylinder is sequentially provided with a pump cylinder coupling, a pump cylinder body and a lining from top to bottom; the lower part of the lining is connected with the snubbing plugging assembly.
2. A valve-plate type lower-feed non-well-killing device as claimed in claim 1, wherein: the lower end of the plunger assembly is provided with a disconnecting track, and the upper end of the track valve assembly is provided with a disconnecting track joint corresponding to the disconnecting track.
3. A valve-plate type lower-feed non-well-killing device as claimed in claim 2, wherein: the periphery of the track valve assembly is provided with a track valve seat cover; the lower end of the track valve assembly is provided with a jacking pipe, the jacking pipe is connected with a valve seat arranged on the non-well-killing plugging assembly and a valve plate through a pin shaft, and the pin shaft is provided with a torsion spring.
4. A valve-plate type lower-feed non-well-killing device according to claim 3, wherein: the snubbing plugging assembly is characterized in that the snubbing plugging assembly is provided with a valve seat and a valve plate, the valve seat is connected with the valve plate through a pin shaft, a torsion spring is arranged at the pin shaft, the valve plate rotates 90 degrees through the pin shaft, and the sealing surface of the valve seat and the valve plate is sealed by matching a conical surface and a spherical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022918230.XU CN214273598U (en) | 2020-12-08 | 2020-12-08 | Valve plate type lower liquid feeding non-well killing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022918230.XU CN214273598U (en) | 2020-12-08 | 2020-12-08 | Valve plate type lower liquid feeding non-well killing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214273598U true CN214273598U (en) | 2021-09-24 |
Family
ID=77780310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022918230.XU Expired - Fee Related CN214273598U (en) | 2020-12-08 | 2020-12-08 | Valve plate type lower liquid feeding non-well killing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214273598U (en) |
-
2020
- 2020-12-08 CN CN202022918230.XU patent/CN214273598U/en not_active Expired - Fee Related
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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: 20210924 |