CN212225163U - Mechanical compression type tubular column switch type packer - Google Patents
Mechanical compression type tubular column switch type packer Download PDFInfo
- Publication number
- CN212225163U CN212225163U CN202020704981.9U CN202020704981U CN212225163U CN 212225163 U CN212225163 U CN 212225163U CN 202020704981 U CN202020704981 U CN 202020704981U CN 212225163 U CN212225163 U CN 212225163U
- Authority
- CN
- China
- Prior art keywords
- valve body
- connector
- screw thread
- packer
- mechanical compression
- 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.)
- Active
Links
Images
Landscapes
- Pipe Accessories (AREA)
Abstract
The utility model belongs to the technical field of the petroleum machinery technique and specifically relates to just a mechanical compression tubular column on-off type packer, including upper portion oil pipe and lower part oil pipe, still include the casing, the upside of casing install the connector through the screw thread, last connector pass through the screw thread and be connected with upper portion oil pipe, the casing bottom install the valve body connector through the screw thread, the valve body connector in be equipped with the valve body, the valve body outside be equipped with the packer, the downside of packer is equipped with the spacing coupling of connecting in the valve body outside through the screw thread, the lower extreme of valve body pass through the screw thread and connect lower part oil pipe, the casing in still be equipped with the check valve, the check valve upside pass through the screw thread and be connected with last connector, the check valve downside be equipped with the spring, the mechanical compression tubular column on-off type packer of this device can be in the pit repeatedly sit, Deblocking and thus reuse; the device not only has the function of plugging the annular space of the oil sleeve, but also has the function of preventing the running string from spraying.
Description
Technical Field
The utility model belongs to the technical field of the petroleum machinery technique and specifically relates to just a mechanical compression tubular column on-off type packer.
Background
Brief introduction: when the pumping well is produced, the inside of the underground pipe column and the rod column need to be cleaned with wax regularly, high-temperature well washing water is injected into the well through a sleeve by a high-pressure cleaning vehicle, and the wax on the wall of the oil pipe and the rod column of the pumping rod is cleaned and returns to the ground through the oil pipe. In the process of well washing, a large amount of well washing water is injected into a stratum when the formation pressure is lower than the well washing pressure, a low-pressure well is easy to be killed, the pressure in the well needs to be recovered for several days, oil extraction is influenced, and stratum pollution is caused. When the liquid level in the well rises to the well mouth, the oil stealing molecules open the gate of the well mouth casing pipe to steal crude oil in the well, which causes resource waste. In addition, the construction well fluid of the oil pumping well inspection pump is sprayed out from the upper part of the pipe column under the action of pressure. The downhole string switch can solve the blowout prevention problem of the pumping well string, and because the switch but well fluid components are constantly changed, the contents of sand and corrosive agents in the well fluid are increased, sand setting of a switch cavity and corrosion of a sealing surface occur, so that the switch is not closed tightly, and the original blowout prevention function of the downhole string switch is lost.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a mechanical compression tubular column switch type packer.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a mechanical compression tubular column on-off type packer, includes upper portion oil pipe and lower part oil pipe, still includes the casing, the upside of casing install the connector through the screw thread, last connector pass through the screw thread and be connected with upper portion oil pipe, the casing install the valve body connector through the screw thread bottom, the valve body connector in be equipped with the valve body, the valve body outside be equipped with the packer, the downside of packer is equipped with the spacing coupling of connecting in the valve body outside through the screw thread, the lower extreme of valve body pass through the screw thread and connect lower part oil pipe, the casing in still be equipped with the check valve, the check valve upside pass through the screw thread and be connected with last connector, the check valve downside be equipped with the spring.
As optimization, the valve body connector include connector main part and connector screw thread, the side of connector main part be equipped with steady nail groove, steady nail inslot install steady nail, connector main part and connector screw thread between be equipped with first rubber seal ring groove, first rubber seal ring groove be located between casing and the valve body connector, first rubber seal ring inslot be equipped with rubber seal.
As the optimization, the valve body include an upper portion confined sealed tube, the upper end of sealed tube be equipped with the shutoff piece, the shutoff piece on be equipped with cross square groove, the side of sealed tube be equipped with along 4 play liquid holes of sealed tube a week, play liquid hole be located the inboard of valve body connector, the lateral surface of sealed tube be equipped with two second rubber seal ring grooves, second rubber seal ring groove be located between valve body and the valve body connector, second rubber seal ring inslot be equipped with rubber seal.
Preferably, the packer comprises a first rubber barrel, a second rubber barrel and a third rubber barrel, a separation ring is arranged between the first rubber barrel and the second rubber barrel, and a separation ring is also arranged between the second rubber barrel and the third rubber barrel.
Preferably, the check valve comprises a ball valve and a ball valve seat, and the ball valve is connected with the ball valve seat through a screw thread.
Preferably, the upper connector is provided with a third rubber sealing ring groove, the third rubber sealing ring groove is positioned between the shell and the upper connector, and a rubber sealing ring is arranged in the third rubber sealing ring groove.
As optimization, the shutoff piece on be equipped with along circumference a week, the slope piece that leans out, the upper end inboard of valve body connector be equipped with along circumference a week chamfer, slope piece and valve body connector on the chamfer item touch.
The whole beneficial effect of this scheme is: the mechanical compression type pipe column switch type packer of the device can be repeatedly set and unset underground, so that the packer can be repeatedly used; the device not only has the function of plugging the annular space of the oil sleeve, but also has the function of preventing the tubular column from being blown off; the one-way valve not only prevents the flushing water from flowing downwards through the switch cavity, but also has the function of controlling the displacement distance of the upper sealing body to play a limiting role, so that the device can achieve setting and rubber cylinder compression without excessive compression; the common hydraulic packer realizes packer setting due to the pressure of injected water, but the packer setting can not be realized because an oil well pump is fixed but hydraulic transmission is blocked when the common hydraulic packer cannot be used in an oil well, and the mechanical compression type pipe column switch type packer of the device can be put in and taken out along with a pipe column to complete the function which cannot be completed by the hydraulic packer; the mechanical compression type pipe column switch type packer of the device is arranged below an oil well pump along with a production pipe column to a position above a perforated well section, a setting pipe anchor takes the pipe anchor as a fulcrum, the rubber sleeve is compressed under the action of the weight of the pipe column through the downward movement of the pipe column, the annular space of an oil sleeve is sealed and blocked by the setting of the packer, and flushing water is prevented from entering a stratum.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Figure 2 is the utility model discloses a valve body connector schematic diagram.
Figure 3 is the valve body schematic diagram of the utility model.
Fig. 4 is a schematic view of the valve body of the present invention.
The sealing device comprises a shell, an upper connecting body, a valve body connector, a valve body, a packer, a limiting coupling, a check valve, a spring, a connector main body, a connector screw thread, a nail stabilizing groove, a first rubber sealing ring groove, a second rubber sealing ring groove, a sealing pipe, a sealing block, a sealing ring, a second rubber sealing ring groove, a first rubber cylinder, a second rubber cylinder, a third rubber cylinder, a separating ring, a ball valve seat, a third rubber sealing ring groove, a fourth.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the embodiment shown in fig. 1, a mechanical compression type tubular column switch type packer comprises an upper oil pipe and a lower oil pipe and further comprises a shell 1, wherein an upper connector 2 is installed on the upper side of the shell 1 through a screw thread, the upper connector 2 is connected with the upper oil pipe through a screw thread, a valve body connector 3 is installed at the lowest end of the shell 1 through a screw thread, a valve body 4 is arranged in the valve body connector 3, a packer 5 is arranged outside the valve body 4, a limit coupling 6 connected to the outer side of the valve body 4 through a screw thread is arranged on the lower side of the packer 5, a lower oil pipe is connected to the lower end of the valve body 4 through a screw thread, a check valve 7 is further arranged in the shell 1, the upper side of the check valve 7 is connected with the upper connector 2 through a screw thread, and a spring 8 is arranged on.
The packer 5 comprises a first rubber barrel 18, a second rubber barrel 19 and a third rubber barrel 20, a separating ring 21 is arranged between the first rubber barrel 18 and the second rubber barrel 19, and a separating ring 21 is also arranged between the second rubber barrel 19 and the third rubber barrel 20.
The check valve 7 comprises a ball valve 22 and a ball valve seat 23, and the ball valve 22 is connected with the ball valve seat 23 through screw threads.
The upper connector 2 is provided with a third rubber sealing ring groove 24, the third rubber sealing ring groove 24 is positioned between the shell 1 and the upper connector 2, and a rubber sealing ring is arranged in the third rubber sealing ring groove 24.
The plugging block 14 on be equipped with along circumference a week, tilt block 25 that leans out, the upper end inboard of valve body connector 3 be equipped with along circumference a week chamfer, tilt block 14 and the chamfer item on the valve body connector 3 touch.
When mechanical compression tubular column on-off type packer and pipe anchor need supporting use, sit the seal pipe anchor under the tubular column to predetermined degree of depth after, tubular column and the valve body connector on pipe anchor upper portion use the pipe anchor as the fulcrum fixed, continue to transfer the tubular column again, go up the connector and along with the tubular column displacement downwards under the tubular column weight effect, spring and packing element are compressed simultaneously, thereby when the lower terminal surface contact of check valve in the cavity to the up end of valve body connector, the valve body stops displacement downwards and realizes packer seat.
When the device is used, the oil well production pipe column is assembled, and the guide cone, the sand control screen pipe, the oil pipe blowout prevention switch, the oil pipe anchor, the mechanical compression type pipe column switch type packer of the device and the oil well pump are sequentially put into the well. The oil pipe of the well mouth is self-sealed to seal the annular space of the oil sleeve, the down-hole tool is put into the well in the sequence that the guide cone is connected to the lower part of the sand setting pipe, the lower part of the sand setting pipe of the sand control screen pipe is connected to the lower part of the oil pipe anchor, the mechanical compression type pipe column switch packer is connected to the lower part of the well washing valve, the well washing valve is connected to the lower part of the oil pipe, the oil pipe is connected to the lower part of the oil pump, and the oil pipe and the sucker rod required for production are put into the well, the self-sealing of the oil pipe is poured, the oil pipe anchor is.
The working principle of opening and closing when the pressing mechanical compression type tubular column switch packer of the device is used with the existing lifting type tubing anchor is that:
lifting an oil pipe by a big hook, lowering the oil pipe by 500mm, releasing an oil pipe anchor by 300mm, setting the oil pipe anchor at a preset depth of a casing, fixing the oil pipe on the upper part of the oil pipe anchor and a valve body connecting head while setting the oil pipe anchor, controlling the valve body to move downwards continuously by liquid in a compression well along with the continuous lowering of the oil pipe, moving the stabilizing nail downwards in a stabilizing nail groove simultaneously, separating the valve body from the valve body connecting head, compressing a spring and a rubber cylinder in a shell, moving the valve body downwards to a limiting coupling to stop, setting the mechanical compression type pipe column switch type packer, and opening an oil flow channel.
Along with the lifting of the oil pipe, the mechanical compression type pipe column switch packer moves upwards, the spring and the rubber sleeve in the shell start to reset, the valve body moves upwards to be in contact with the valve body connector, the mechanical compression type pipe column switch packer is closed, the lifting of the oil pipe exceeds 500mm, the oil pipe anchor can be unsealed, and the blowout prevention effect can be achieved when the operation construction is carried out on a lower pipe column.
The principle of opening and closing when the mechanical compression type tubular column switch packer is used with the bidirectional tubing anchor is as follows:
lifting the oil pipe by a big hook for 100mm to rotate the oil pipe clockwise, driving the integral pipe column of the valve body connector to rotate for 6-8 circles by the valve body stable nail, releasing the oil pipe anchor, moving the valve body downwards under the gravity action of the oil pipe along with the continuous lowering of the oil pipe, separating the valve body from the valve body connector, compressing a spring and a rubber cylinder in the shell, and moving the valve body downwards for 25mm to a limit coupling to stop. The oil pipe anchor is rotated by 100mm of the oil pipe lifting hook anticlockwise for 6-8 rings of the oil pipe, the oil pipe lifting mechanical compression type pipe column switch packer is unsealed, the switch of the pipe column switch type packer is moved upwards continuously, the spring and the rubber sleeve in the shell begin to reset, and the valve body moves upwards by 25mm and is in contact fit with the valve body connector.
The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the product form and style of the above embodiments, and any suitable changes or modifications to the mechanical compression type pipe column switch packer according to the claims and any person of ordinary skill in the art should fall into the protection scope of the present invention.
Claims (7)
1. The utility model provides a mechanical compression tubular column on-off type packer, includes upper portion oil pipe and lower part oil pipe, its characterized in that: still include the casing, the upside of casing install the connector through the screw thread, last connector pass through the screw thread and be connected with upper portion oil pipe, the casing bottom install the valve body connector through the screw thread, the valve body connector in be equipped with the valve body, the valve body outside be equipped with the packer, the downside of packer is equipped with the spacing coupling of connecting in the valve body outside through the screw thread, the lower extreme of valve body pass through the screw thread and connect lower part oil pipe, the casing in still be equipped with the check valve, the check valve upside pass through the screw thread and be connected with last connector, the check valve downside be equipped with the spring.
2. A mechanical compression type pipe string switching packer according to claim 1, wherein: the valve body connector include connector main part and connector screw thread, the side of connector main part be equipped with steady nail groove, steady nail inslot install steady nail, connector main part and connector screw thread between be equipped with first rubber seal ring groove, first rubber seal ring groove be located between casing and the valve body connector, first rubber seal ring inslot be equipped with rubber seal.
3. A mechanical compression type pipe string switching packer according to claim 1, wherein: the valve body include an upper portion confined sealed tube, the upper end of sealed tube be equipped with the shutoff piece, the shutoff piece on be equipped with cross square groove, the side of sealed tube be equipped with along 4 liquid outlet holes of sealed tube a week, liquid outlet hole be located the inboard of valve body connector, the lateral surface of sealed tube be equipped with two second rubber seal grooves, second rubber seal groove be located between valve body and the valve body connector, second rubber seal inslot be equipped with rubber seal.
4. A mechanical compression type pipe string switching packer according to claim 1, wherein: the packer comprises a first rubber cylinder, a second rubber cylinder and a third rubber cylinder, wherein a separation ring is arranged between the first rubber cylinder and the second rubber cylinder, and a separation ring is also arranged between the second rubber cylinder and the third rubber cylinder.
5. A mechanical compression type pipe string switching packer according to claim 1, wherein: the check valve comprises a ball valve and a ball valve seat, and the ball valve is connected with the ball valve seat through a screw thread.
6. A mechanical compression type pipe string switching packer according to claim 1, wherein: and a third rubber sealing ring groove is formed in the upper connector, is positioned between the shell and the upper connector and is internally provided with a rubber sealing ring.
7. A mechanical compression type pipe string switching packer according to claim 3, wherein: the shutoff piece on be equipped with along circumference a week, lean out the slope piece, the upper end inboard of valve body connector be equipped with along circumference a week chamfer, slope piece and valve body connector on the chamfer item touch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020704981.9U CN212225163U (en) | 2020-04-30 | 2020-04-30 | Mechanical compression type tubular column switch type packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020704981.9U CN212225163U (en) | 2020-04-30 | 2020-04-30 | Mechanical compression type tubular column switch type packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212225163U true CN212225163U (en) | 2020-12-25 |
Family
ID=73909630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020704981.9U Active CN212225163U (en) | 2020-04-30 | 2020-04-30 | Mechanical compression type tubular column switch type packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212225163U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111441739A (en) * | 2020-04-30 | 2020-07-24 | 大庆宏升石油机械设备制造有限公司 | Mechanical compression type tubular column switch type packer |
-
2020
- 2020-04-30 CN CN202020704981.9U patent/CN212225163U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111441739A (en) * | 2020-04-30 | 2020-07-24 | 大庆宏升石油机械设备制造有限公司 | Mechanical compression type tubular column switch type packer |
| CN111441739B (en) * | 2020-04-30 | 2024-06-14 | 大庆宏升石油机械设备制造有限公司 | Mechanical compression type tubular column switch type packer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109751009B (en) | Repeated hot-washing paraffin removal packer | |
| CN104213861A (en) | Expansion tube expansion technological method and tool system | |
| CN212225163U (en) | Mechanical compression type tubular column switch type packer | |
| CN103352679B (en) | Device and method for filling foam drainage agent automatically under shaft | |
| CN2861470Y (en) | Airtight power expansion packer | |
| CN204754881U (en) | Double -barrelled gas well flow string parallels | |
| CN206830131U (en) | Sand setting constant pressure check valve for water injection well | |
| CN202170771U (en) | Anti-rotation snubbing pipe column of screw pump | |
| CN2846732Y (en) | Non-casting ball type blocking pressure signle flow device | |
| CN201254969Y (en) | Blowout prevention controller | |
| CN111441739A (en) | Mechanical compression type tubular column switch type packer | |
| CN2786274Y (en) | Antipollution oil layer packer for heat cleaning of oil pumping well | |
| CN208982015U (en) | A kind of well-flushing oil drain switch | |
| CN209990477U (en) | Hydraulically controlled stratum anti-pollution valve capable of being opened and closed repeatedly | |
| CN2846741Y (en) | Sand proof tubular pole for water injection well | |
| CN2764929Y (en) | Gushing-proof operation equipment | |
| CN207229045U (en) | A kind of continuous reverse sand flushing device of oil well | |
| CN101881142B (en) | Self-sealing setting ball seat | |
| CN205078216U (en) | Water injection packer | |
| CN206592107U (en) | Down-hole oil production elastic expansion plunger | |
| RU2096660C1 (en) | Sucker-rod well pump | |
| RU48361U1 (en) | DEVICE FOR RESTORING COLLECTOR PROPERTIES OF THE FORM | |
| CN2581685Y (en) | Well packer capable of flushing well | |
| CN203531833U (en) | Hydraulic wedging type packer | |
| CN201420533Y (en) | Blowout prevention valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |