CN217602623U - High-temperature packer for oil well - Google Patents

Abstract

The utility model relates to an oil well technical field just discloses a high temperature packer for oil well, including last body and lower body, the inside of body is provided with seals and separates the mechanism, it includes sliding plate, locating lever and reference column to seal and separate the mechanism, the fixed surface of locating lever is connected with the slide bar, the sliding tray has been seted up on the surface of sliding plate, slide bar and sliding tray sliding connection, the fixed surface of slide bar is connected with the spring, the other end fixed connection of spring is on the surface of sliding tray, the bottom and the sliding plate contact of reference column, the fixed surface of sliding plate is connected with supports the board, go up fixedly connected with elastic tube between body and the lower body, support the board and obtain the inner wall contact with the elastic tube, the fixed surface of slide bar is connected with the stopper. The utility model provides a high temperature packer for oil well, through the effect that sets up packing mechanism, whole device can be better seals the high temperature air current in the well.

Description

High-temperature packer for oil well

Technical Field

The utility model relates to an oil well technical field specifically is a high temperature packer for oil well.

Background

In order to extract petroleum, according to the hole drilled by well-arrangement system planned for oil field development, the petroleum is raised from bottom to well mouth channel, the oil well is drilled by drilling method, after the oil layer is drilled, the oil layer casing pipe is placed, and the annular space between casing pipe and well wall is filled with oil well cement to maintain well wall and seal oil, gas and water layer, then according to the requirements for oil field development the oil layer is jetted by perforating gun to form channel, and the oil pipe is placed, and the petroleum is raised from bottom to well mouth by using proper induced flow method, and the packer is connected on the underground pipe string for sealing oil pipe and oil gas well casing pipe or downhole annular space of open hole of well wall.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature packer for oil well has solved the packer and is using, seals the poor problem of effect that separates to the high temperature air current in the well.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high temperature packer for oil well, includes upper tube body and lower tube body, the inside of body is provided with seals and separates the mechanism, it includes sliding plate, locating lever and reference column to seal and separate the mechanism, the fixed surface of locating lever is connected with the slide bar, the sliding tray has been seted up on the surface of sliding plate, slide bar and sliding tray sliding connection, the fixed surface of slide bar is connected with the spring, the other end fixed connection of spring is on the surface of sliding tray, the bottom and the sliding plate contact of reference column, the fixed surface of sliding plate is connected with supports the board, fixedly connected with elastic tube between upper tube body and the lower tube body, support the board and elastic tube obtain the inner wall contact.

Preferably, the surface of the sliding rod is fixedly connected with a limiting block, the surface of the sliding groove is provided with a limiting sliding groove, the limiting block is connected with the limiting sliding groove in a sliding manner, and the moving distance of the sliding plate can be limited by the limiting block.

Preferably, the bottom of the positioning rod is fixedly connected to the surface of the lower tube body, so that the position of the positioning rod can be determined.

Preferably, the contact surface of sliding plate and reference column is domatic for mutual matching for domatic convenience of reference column promotes through domatic on the extrusion sliding plate.

Preferably, the inside of reference column is provided with adjustment and control mechanism, adjustment and control mechanism includes the connecting pipe, the outer fixed surface of connecting pipe is connected with the piston, the gas tank has been seted up on the surface of reference column, piston and gas tank sliding connection for the piston can promote in the gas tank inside.

Preferably, the top of the positioning column is fixedly connected with a sealing ring, and the sealing ring is connected with the connecting pipe in a sliding manner. The sealing ring can increase the sealing performance of the device.

Preferably, the inner surface of the upper pipe body is fixedly connected with a fixing plate, the surface of the fixing plate is fixedly connected with a clamping block, a clamping groove is formed in the surface of the positioning column, and the clamping block is connected with the clamping groove in a sliding mode, so that the positioning column can move up and down all the time.

Preferably, the connection pipe is fixedly connected to the surface of the upper pipe body, so that the position of the connection pipe can be fixed.

The utility model provides a high temperature packer is used to oil well. The high-temperature packer for the oil well has the following beneficial effects:

(1) The utility model discloses in: the utility model provides a high temperature packer for oil well, through the effect that sets up packing mechanism, whole device can be better seals the high temperature air current in the well.

(2) The utility model discloses in: the utility model provides a high temperature packer for oil well, obtains the effect through setting up regulation and control mechanism, whole device reaches and conveniently fixes and dismantle simple operation to the packer.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is a schematic top sectional view of the sliding plate of the present invention;

fig. 4 is an enlarged schematic view of the local structure of the present invention.

In the figure: 1. feeding a pipe body; 2. a lower pipe body; 3. a packing mechanism; 301. a sliding plate; 302. positioning a rod; 303. a positioning column; 304. a slide bar; 305. a sliding groove; 306. a spring; 307. a resisting plate; 308. an elastic tube; 4. a limiting block; 5. a regulating mechanism; 501. a connecting pipe; 502. a piston; 503. an air tank; 504. a seal ring; 6. a fixing plate; 7. and (7) clamping blocks.

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.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1-4, the utility model provides a technical solution: a high-temperature packer for an oil well comprises an upper pipe body 1 and a lower pipe body 2, wherein a packing mechanism 3 is arranged inside the pipe body, the packing mechanism 3 comprises a sliding plate 301, a positioning rod 302 and a positioning column 303, the surface of the positioning rod 302 is fixedly connected with a sliding rod 304, the surface of the sliding plate 301 is provided with a sliding groove 305, the sliding rod 304 is in sliding connection with the sliding groove 305, the surface of the sliding rod 304 is fixedly connected with a spring 306, the other end of the spring 306 is fixedly connected with the surface of the sliding groove 305, the bottom of the positioning column 303 is in contact with the sliding plate 301, the surface of the sliding plate 301 is fixedly connected with a resisting plate 307, an elastic pipe 308 is fixedly connected between the upper pipe body 1 and the lower pipe body 2, and the resisting plate 307 is in inner wall contact with the elastic pipe 308;

the positioning device comprises a sliding rod 304, and is characterized in that a limiting block 4 is fixedly connected to the surface of the sliding rod 304, a limiting sliding groove is formed in the surface of the sliding groove 305, the limiting block 4 is connected with the limiting sliding groove in a sliding manner, the set limiting block 4 can limit the moving distance of a sliding plate 301, the bottom of the positioning rod 302 is fixedly connected to the surface of a lower pipe body 2, the position of the positioning rod 302 can be determined, the contact surfaces of the sliding plate 301 and a positioning column 303 are slopes which are matched with each other, the slope on the positioning column 303 can be conveniently pushed by extruding the slope on the sliding plate 301, a regulating mechanism 5 is arranged inside the positioning column 303, the regulating mechanism 5 comprises a connecting pipe 501, a piston 502 is fixedly connected to the outer surface of the connecting pipe 501, an air groove 503 is formed in the surface of the positioning column 303, the piston 502 is connected with the air groove 503 in a sliding manner, the piston 502 can be pushed inside the air groove 503, a sealing ring 504 is fixedly connected to the top of the positioning column 303, and the sealing ring 504 is connected with the connecting pipe 501 in a sliding manner. Sealing washer 504 can increase the leakproofness of device, the internal surface fixedly connected with fixed plate 6 of going up body 1, the fixed surface of fixed plate 6 is connected with fixture block 7, the draw-in groove has been seted up on the surface of reference column 303, fixture block 7 and draw-in groove sliding connection for moving about all the time of reference column 303, connecting pipe 501 fixed connection is on the surface of last body 1 for connecting pipe 501's position can be fixed, seals through setting up the effect that separates mechanism 3, and whole device can be better seals the high temperature gas flow in the well and separates.

When the high-temperature packer for the oil well is used, the packer is placed into the well, after the packer is placed at a proper position, internal air flow is introduced through a connecting pipe 501, the air flow can be injected into an air groove 503 on a positioning column 303, the air pressure can push the positioning column 303 to move downwards, the positioning column 303 moves downwards to push a slope surface on a sliding plate 301, four sliding plates 301 can move towards the direction of an elastic pipe 308, the sliding plate 301 is limited by a sliding rod 304, the sliding plate 301 can move horizontally all the time, a set limiting block 4 can limit the moving distance of the sliding plate 301, the sliding plate 301 drives a resisting plate 307 to extrude the elastic pipe 308 outwards, the outer wall of the elastic pipe 308 can be in contact with the well wall, the high-temperature air flow can be sealed at the moment, the elastic pipe 308 is soft and flexible heat-insulating rubber, the high-temperature sealing effect is better, the whole device can better seal the high-temperature air flow in the well, when the packer needs to be taken out, the packer can be pulled away from the air flow, the positioning column 303 moves upwards, the elastic pipe 301 can be pulled, the sliding plate 301 can be pulled to drive the sliding plate 307 to be pulled to be conveniently to be pulled out, and the whole packer to be taken out, and the elastic pipe can be conveniently taken out, and the whole device can be taken out and the whole packer can be conveniently taken out.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims (8)

1. The utility model provides a high temperature packer for oil well, includes body (1) and body (2) down, its characterized in that: the sealing device is characterized in that a sealing mechanism (3) is arranged inside the pipe body, the sealing mechanism (3) comprises a sliding plate (301), a positioning rod (302) and a positioning column (303), a sliding rod (304) is fixedly connected to the surface of the positioning rod (302), a sliding groove (305) is formed in the surface of the sliding plate (301), the sliding rod (304) is in sliding connection with the sliding groove (305), a spring (306) is fixedly connected to the surface of the sliding rod (304), the other end of the spring (306) is fixedly connected to the surface of the sliding groove (305), the bottom of the positioning column (303) is in contact with the sliding plate (301), a resisting plate (307) is fixedly connected to the surface of the sliding plate (301), an elastic pipe (308) is fixedly connected between the upper pipe body (1) and the lower pipe body (2), and the resisting plate (307) is in contact with the inner wall of the elastic pipe (308).

2. A high temperature packer for oil well according to claim 1, wherein: the surface of the sliding rod (304) is fixedly connected with a limiting block (4), the surface of the sliding groove (305) is provided with a limiting sliding groove, and the limiting block (4) is connected with the limiting sliding groove in a sliding mode.

3. The high-temperature packer for the oil well as claimed in claim 1, wherein: the bottom of the positioning rod (302) is fixedly connected to the surface of the lower tube body (2).

4. A high temperature packer for oil well according to claim 1, wherein: the contact surfaces of the sliding plate (301) and the positioning column (303) are mutually matched slope surfaces.

5. A high temperature packer for oil well according to claim 1, wherein: the inside of reference column (303) is provided with adjustment and control mechanism (5), adjustment and control mechanism (5) are including connecting pipe (501), the surface fixed connection of connecting pipe (501) has piston (502), gas tank (503) have been seted up on the surface of reference column (303), piston (502) and gas tank (503) sliding connection.

6. An oil well high temperature packer as claimed in claim 5, wherein: the top of reference column (303) fixedly connected with sealing washer (504), sealing washer (504) and connecting pipe (501) sliding connection.

7. A high temperature packer for oil well according to claim 1, wherein: go up the internal surface fixedly connected with fixed plate (6) of body (1), the fixed surface fixedly connected with fixture block (7) of fixed plate (6), the draw-in groove has been seted up on the surface of reference column (303), fixture block (7) and draw-in groove sliding connection.

8. The high-temperature packer for oil wells as claimed in claim 5, wherein: the connecting pipe (501) is fixedly connected to the surface of the upper pipe body (1).

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