CN217999544U - Scouring-resistant packer for oil well - Google Patents

Abstract

The utility model discloses an oil well is with resistant packer that erodees, include: connecting cylinder, top connection, lower clutch, packing element and center tube, the top connection is installed on the connecting cylinder top, keep away from the top connection the bottom of connecting cylinder is installed the lower clutch, two install the packing element between the connecting cylinder, this oil well is with resistant packer that erodees, can drive the stand pipe when pulling the stand pipe and moving when removing, can drive the inside that the stand pipe moved the center tube when the stand pipe contacts with the top connection tip, can fix connecting block and stand pipe through first bolt this moment, can stimulate the protective cylinder when cup jointing the packing element outside the packing element, can drive the fixed block when the protective cylinder removes, can extrude the spring when the fixed link slides, the oil well of being convenient for is with resistant packer that erodees when installation and putting can avoid with ground direct contact, can protect the surface of lower clutch.

Description

Scouring-resistant packer for oil well

Technical Field

The utility model relates to a packer technical field specifically is an oil well is with resistant packer that erodees.

Background

The scour-resistant packer for the oil well refers to an underground tool which is connected to an underground pipe column and used for packing an oil pipe and an oil-gas well casing or an open hole well wall annular space, a packing part on the packer is expanded to pack the oil casing annular space in a hydraulic driving mode and the like, and the existing scour-resistant packer for the oil well has certain defects when in use;

when the oil well erosion-resistant packer is used, oil in an oil pipe can impact the inner wall of a central pipe when passing through the central pipe, the service life of the central pipe can be shortened after long-time impact, a rubber sleeve can expand when the pressure difference reaches a certain value when the packer is installed and the packer operates, the surface of the rubber sleeve can be attached to a pipeline when the rubber sleeve expands, the surface of the rubber sleeve can be damaged after long-time use, a lower joint of the packer can be directly contacted with the ground when being installed or placed, and the surface of the lower joint can be abraded;

improvements are needed to address the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil well is with resistant packer that erodees, can strike the center tube inner wall when the process center tube from the oil in the oil pipe with the resistant packer that erodees of present market oil well that solves above-mentioned background art and put when using, can reduce the life of center tube after long-time the impact, the packing element can expand when pressure differential reaches a definite value when the packing element is installed and the packer operation, the surface and the pipeline of packing element can laminate when the packing element inflation, long-time the use can lead to the fact the damage to packing element surface, the packer lower clutch can with ground direct contact when installing or putting, can produce the problem of wearing and tearing to the lower clutch surface.

In order to achieve the above object, the utility model provides a following technical scheme: a wash-resistant packer for an oil well, comprising: connecting cylinder, top connection, lower clutch, a rubber section of thick bamboo and center tube, the top connection is installed on the connecting cylinder top, keeps away from the top connection the lower clutch is installed to the bottom of connecting cylinder, two install a rubber section of thick bamboo between the connecting cylinder, rubber section of thick bamboo internal connection has the center tube, and the connecting block is connected the outside of top connection, the inside through connection of connecting block has first bolt, center tube end portion installs the direction disc, the inside through groove of having seted up that runs through of direction disc, the direction disc bottom is connected with the stand pipe.

Preferably, the diameter of the inner wall of the guide pipe is the same as that of the through groove.

Preferably, the guide disc is connected with the connecting block through a first bolt.

Preferably, the connecting cylinder is further provided with a connecting ring, a second bolt, a protective cylinder, a fixing block and a thread groove.

Preferably, the end part of the connecting cylinder is sleeved with a connecting ring, a second bolt penetrates through the inside of the connecting ring, and a protective cylinder is arranged between the two connecting rings.

Preferably, the two ends of the protection cylinder are connected with fixing blocks, and thread grooves are formed in the fixing blocks.

Preferably, the connecting cylinder is further provided with a connecting column, an extrusion groove, a spring, a fixing rod and a rubber ring;

the spliced pole is installed the bottom of connecting cylinder, the extrusion groove has been seted up to spliced pole inside, extrusion groove internally mounted has the dead lever.

Preferably, the bottom end of the fixing rod is connected with a rubber ring, and the rubber ring is sleeved on the outer side of the lower joint.

Compared with the prior art, the beneficial effects of the utility model are that: this oil well is with resistant packer that erodees, can drive the stand pipe when pulling the stand disc and remove, can drive the inside that the stand pipe removed the center tube when the stand disc contacts with top connection tip, can fix connecting block and stand disc through first bolt this moment, can stimulate the protective barrel when the packing element outside with protective barrel cup cover, can drive the fixed block when protective barrel removes, can rotate the second bolt when the fixed block removes the go-between bottom, can extrude the spring when the dead lever slides, the oil well of being convenient for is with resistant packer that erodees can avoid with ground direct contact at the installation and when putting, can protect the surface of lower clutch.

1. Can drive the stand pipe when pulling direction disc removes, can drive the inside that the stand pipe removed the center tube when direction disc and top connection tip contact, can fix connecting block and direction disc through first bolt this moment, can flow into the inside of center tube through the stand pipe branch when oil flows the inside logical groove of direction disc through the top connection, the oil well of being convenient for can not carry out direct impact to the center tube inner wall when having oil through the center tube with resistant packer that erodees, the life of increase center tube.

2. Can stimulate the protective barrel when cup jointing the protective barrel outside the packing element, the protective barrel can drive the fixed block when removing, can rotate the second bolt when the fixed block removes the go-between bottom, can carry out thread slipping with the thread groove when the second bolt rotates, can be in the same place protective barrel and go-between are fixed when second bolt thread slipping, because protective barrel is the rubber material, receive pressure and can produce deformation, can extrude protective barrel when the packing element inflation, protective barrel receives the extrusion and produces deformation and pipe inner wall laminating, the packing element that is convenient for oil well is with resistant washing packer reduces the collision and the friction of external world to the packing element when installation and use.

3. When the lower joint is placed or installed, the end part of the lower joint can drive the rubber ring to move, the rubber ring can drive the fixing rod to move when moving, the fixing rod can slide with the extrusion groove when moving, the fixing rod can extrude the spring when sliding, the lower joint can be prevented from directly contacting with the ground when the fixed rod slides, and the surface of the lower joint can be protected.

Drawings

FIG. 1 is a schematic view of the front view structure of the present invention;

FIG. 2 is a schematic view of the front cross-sectional structure of the guiding disc of the present invention;

fig. 3 is a schematic view of a front cross-sectional structure of the connection ring of the present invention;

fig. 4 is a schematic view of the front cross-section structure of the lower joint of the present invention.

In the figure: 1. a connecting cylinder; 2. an upper joint; 3. a lower joint; 4. a rubber tube; 5. a central tube; 6. connecting blocks; 7. a first bolt; 8. a guide disc; 9. a through groove; 10. a guide tube; 11. a connecting ring; 12. a second bolt; 13. a protective cylinder; 14. a fixed block; 15. a thread groove; 16. connecting columns; 17. extruding a groove; 18. a spring; 19. fixing the rod; 20. a rubber ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a wash-resistant packer for an oil well, comprising: connecting cylinder 1, the top connection 2, the lower clutch 3, a rubber section of thick bamboo 4 and center tube 5, top connection 2 is installed on 1 top of connecting cylinder, keep away from top connection 2's connecting cylinder 1's bottom and install lower clutch 3, install a rubber section of thick bamboo 4 between two connecting cylinders 1,4 internal connection of rubber section of thick bamboo have center tube 5, connecting block 6, connect in the outside of top connection 2, the inside through connection of connecting block 6 has first bolt 7, direction disc 8 is installed to 5 tip of center tube, 8 inside through connections of direction disc have seted up logical groove 9, 8 bottom of direction disc are connected with stand pipe 10, 10 inner wall diameters of stand pipe are the same with logical groove 9 diameter size, be connected through first bolt 7 between direction disc 8 and the connecting block 6.

It can be known from a figure 1,2 that the guide pipe 10 can be driven to move when the guide disc 8 is pulled to move, the guide pipe 10 can be driven to move to the inside of the central pipe 5 when the guide disc 8 is in contact with the end part of the upper joint 2, the connecting block 6 and the guide disc 8 can be fixed through the first bolt 7 at the moment, when oil flows to the through groove 9 inside the guide disc 8 through the upper joint 2, the oil can flow into the inside of the central pipe 5 through the guide pipe 10 in a divided manner, so that the flushing-resistant packer for an oil well can not directly impact the inner wall of the central pipe 5 when the oil passes through the central pipe 5, and the service life of the central pipe 5 is prolonged.

The connecting cylinder 1 is further provided with a connecting ring 11, a second bolt 12, a protective cylinder 13, a fixing block 14 and a thread groove 15, the connecting ring 11 is sleeved at the end of the connecting cylinder 1, the second bolt 12 penetrates through the connecting ring 11, the protective cylinder 13 is arranged between the two connecting rings 11, the fixing block 14 is connected to two ends of the protective cylinder 13, and the thread groove 15 is formed in the fixing block 14.

Referring to 1,3, it can be known that the protective cylinder 13 can be pulled when the protective cylinder 13 is sleeved outside the rubber cylinder 4, the protective cylinder 13 can move to drive the fixing block 14, the second bolt 12 can be rotated when the fixing block 14 moves to the bottom of the connecting ring 11, the second bolt 12 can slide in a threaded manner along the threaded groove 15 when rotating, the protective cylinder 13 and the connecting ring 11 can be fixed together when the second bolt 12 slides in a threaded manner, the protective cylinder 13 is made of rubber and can deform under pressure, the protective cylinder 13 can be extruded when the rubber cylinder 4 expands, the protective cylinder 13 deforms under extrusion to be attached to the inner wall of a pipeline, and the rubber cylinder 4 of the oil well erosion-resistant packer can reduce collision and friction of the rubber cylinder 4 from the outside during installation and use.

Connecting cylinder 1 still is provided with spliced pole 16, extrusion groove 17, spring 18, dead lever 19 and rubber ring 20, and spliced pole 16 installs the bottom at connecting cylinder 1, and extrusion groove 17 has been seted up to spliced pole 16 inside, and extrusion groove 17 internally mounted has dead lever 19, and dead lever 19 bottom is connected with rubber ring 20, and rubber ring 20 cup joints in the outside of lower clutch 3.

Referring to 1,4, when the lower joint 3 is placed or installed, the end of the lower joint 3 drives the rubber ring 20 to move, when the rubber ring 20 moves, the fixing rod 19 can be driven to move, when the fixing rod 19 moves, the fixing rod 19 can slide in the extrusion groove 17, when the fixing rod 19 slides, the spring 18 can be extruded, so that the lower joint 3 can be prevented from directly contacting the ground when the oil well erosion-resistant packer is installed or placed, and the surface of the lower joint 3 can be protected.

The working principle is as follows: when the flushing-resistant packer for the oil well is used, the inside of the packer is pressurized when the packer is placed inside a pipeline, oil flows into the inside of the central pipe 5 through the guide disc 8 through the guide pipe 10, the impact of the oil on the central pipe 5 is reduced, the service life of the central pipe 5 is prolonged, when the pressure difference inside the rubber barrel 4 reaches a certain value, the rubber barrel 4 can be expanded, the protective barrel 13 can be expanded due to the expansion of the rubber barrel 4, the abrasion of the rubber barrel 4 can be reduced, the rubber barrel 4 can be restored to the original shape when the pressure inside the oil pipe is removed, when the packer is vertically placed, the friction between the ground and the surface of the lower joint 3 can be reduced through the rubber ring 20 by the lower joint 3, and the content which is not described in detail in the description belongs to the prior art known by professional technicians in the field.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (8)

1. A wash-resistant packer for an oil well, comprising: the rubber tube comprises a connecting cylinder (1), an upper joint (2), a lower joint (3), a rubber tube (4) and a central tube (5), and is characterized in that;

an upper joint (2) is installed at the top end of each connecting cylinder (1), a lower joint (3) is installed at the bottom end, far away from the upper joint (2), of each connecting cylinder (1), a rubber cylinder (4) is installed between the two connecting cylinders (1), and a central pipe (5) is connected inside each rubber cylinder (4);

connecting block (6) is connected the outside of top connection (2), the inside through connection of connecting block (6) has first bolt (7), guide disc (8) are installed to center tube (5) tip, guide disc (8) inside runs through and has seted up logical groove (9), guide disc (8) bottom is connected with stand pipe (10).

2. A wash-resistant packer for oil wells as claimed in claim 1, wherein: the diameter of the inner wall of the guide pipe (10) is the same as that of the through groove (9).

3. The flushing-resistant packer for oil wells as claimed in claim 1, wherein: the guide disc (8) is connected with the connecting block (6) through a first bolt (7).

4. A wash-resistant packer for oil wells as claimed in claim 1, wherein: the connecting cylinder (1) is further provided with a connecting ring (11), a second bolt (12), a protection cylinder (13), a fixing block (14) and a thread groove (15).

5. The flushing-resistant packer for oil wells as claimed in claim 4, wherein: the connecting cylinder is characterized in that a connecting ring (11) is sleeved at the end of the connecting cylinder (1), a second bolt (12) penetrates through the connecting ring (11), and a protective cylinder (13) is arranged between the two connecting rings (11).

6. A wash-resistant packer for oil wells as claimed in claim 5, wherein: the protection cylinder (13) is characterized in that two ends of the protection cylinder (13) are connected with fixing blocks (14), and thread grooves (15) are formed in the fixing blocks (14).

7. A wash-resistant packer for oil wells as claimed in claim 1, wherein: the connecting cylinder (1) is also provided with a connecting column (16), an extrusion groove (17), a spring (18), a fixed rod (19) and a rubber ring (20);

the connecting column (16) is installed at the bottom end of the connecting cylinder (1), an extrusion groove (17) is formed in the connecting column (16), and a fixing rod (19) is installed in the extrusion groove (17).

8. A wash-resistant packer for oil wells as claimed in claim 7, wherein: the bottom end of the fixing rod (19) is connected with a rubber ring (20), and the rubber ring (20) is sleeved on the outer side of the lower joint (3).

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