CN219387848U - Stage cementing ware prevents swivel mount - Google Patents

Abstract

The utility model relates to the technical field of well cementation equipment, and discloses an anti-rotation seat of a stage cementing device, which comprises a stage cementing device body, wherein the surface of the stage cementing device body is movably connected with a reinforcing block, and the surface of the stage cementing device body is provided with an anti-rotation mechanism; the anti-rotation mechanism comprises a first anti-rotation ring, a second anti-rotation ring and four clamping blocks, and one side, close to the stage cementing device body, of each clamping block is fixedly connected with the stage cementing device body. This stage cementing ware prevents swivel mount, through setting up prevent rotating mechanism, can prevent under preventing rotating mechanism's effect that stage cementing ware body from appearing rotating in the use to make the drill bit lead to the fact the influence to stage cementing ware body, make stage cementing ware body appear wearing and tearing, thereby the surface leads to the fact the influence to stage cementing ware body, has reached and has avoided the drill bit to drive stage cementing ware body and rotate when rotating, thereby avoid causing the purpose of wearing and tearing to stage cementing ware body.

Description

Stage cementing ware prevents swivel mount

Technical Field

The utility model relates to the technical field of well cementation equipment, in particular to an anti-rotating seat of a stage cementing device.

Background

In the whole drilling engineering of an oil-gas well, well cementation is an important operation in the drilling process, and the core idea is to put a casing string with a certain size into the well, inject cement slurry around the casing string, fix the casing on the well wall, avoid the casing from being corroded, in other words, need to inject well cementation cement into the well, and put a cement plug into the well to squeeze the well cementation cement in the well into the space between the open hole wall and the oil pipe. In some special occasions, a stage cementing process is needed to meet the requirements of on-site cementing construction, such as wells with excessive cement injection quantity at one time, wells with formations incapable of bearing excessive liquid column pressure, wells with complex horizons needing to be isolated during drilling, wells with cement slurry performance difficult to meet due to large upper and lower temperature difference of a cementing section, and the like, particularly in the implementation of upper well cementation and lower screen well completion operations of a vertical well, a directional well and a horizontal well, including the important popularization of the screen top cementing process of the horizontal well in the current oil field, and the stage cementing process is needed.

The prior art uses classified cement devices which are mainly divided into mechanical type, hydraulic type and mechanical hydraulic type, and the cement devices can achieve a certain effect, but the cement devices are not internally provided with an anti-rotation mechanism, and internal parts are not provided with fixed points during drilling and are easy to adhere to a drill bit.

Disclosure of Invention

The utility model aims to provide an anti-rotation seat of a stage cementing device, so as to solve the problems in the prior art.

In order to solve the technical problems, the utility model provides the following technical scheme: the anti-rotation seat of the stage cementing device comprises a stage cementing device body, wherein the surface of the stage cementing device body is movably connected with a reinforcing block, and the surface of the stage cementing device body is provided with an anti-rotation mechanism;

the anti-rotation mechanism comprises a first anti-rotation ring, a second anti-rotation ring and four clamping blocks, one side, close to the stage cementing device body, of each clamping block is fixedly connected with the stage cementing device body, and the opposite sides of the first anti-rotation ring and the second anti-rotation ring are movably connected with the surface of the stage cementing device body.

Preferably, the surface swing joint of stage cementing ware body has the baffle, the quantity of baffle is four, one side of baffle extends to the inner wall of stage cementing ware body and with the inner wall sliding connection of stage cementing ware body, one side fixedly connected with spring of baffle, the one end and the inner wall fixed connection of stage cementing ware body of spring.

Preferably, the top of first anti-swivel and second anti-swivel is all fixedly connected with four forked tail pieces, the surface of forked tail piece and the inner wall contact of baffle.

Through setting up the forked tail piece, can fix the baffle, avoid the baffle to appear not hard up under the influence of external force to avoid influencing stability and the fastness of first anti-swivel and second anti-swivel, reached the stability and the purpose of fastness that increase the baffle.

Preferably, the bottom of the baffle is provided with two dovetail grooves, and the inner cavity of the dovetail grooves is movably connected with the surface of the dovetail block.

Preferably, the inner walls of the first anti-rotating ring and the second anti-rotating ring are provided with two limiting grooves, and the inner cavities of the limiting grooves are in contact with the surfaces of the clamping blocks.

Through setting up the spacing groove, can be under the effect of spacing groove to first prevent that swivel and second prevent that swivel is supplementary fixed, reached the purpose that supplementary fixed first prevent swivel and second prevent swivel.

Preferably, the surface fixedly connected with cardboard of stage cementing ware body, the quantity of cardboard is two, the equal fixedly connected with guide block in both sides of cardboard, the inner wall swing joint of cardboard and guide block all with the reinforcement piece.

Preferably, a pull ring is fixedly connected to the top of the reinforcing block, and the pull ring is made of a metal material.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the rotation preventing mechanism is arranged, so that the stage cementing machine body is prevented from rotating in the using process under the action of the rotation preventing mechanism, the drill bit is enabled to influence the stage cementing machine body, the stage cementing machine body is enabled to be worn, the surface is enabled to influence the stage cementing machine body, and the purpose of avoiding the drill bit from driving the stage cementing machine body to rotate during rotation and avoiding the abrasion to the stage cementing machine body is achieved.

The second, the utility model can increase the stability and the firmness of the first anti-rotation ring and the second anti-rotation ring when in use by arranging the baffle plate and the spring to be matched for use, thereby increasing the anti-rotation performance of the stage cementing device body and achieving the purpose of increasing the stability of the first anti-rotation ring and the second anti-rotation ring when in use.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an exploded view of a partial structure of the present utility model;

FIG. 3 is a plan view of a partial structure of the present utility model;

FIG. 4 is a schematic perspective view of a partial structure of the present utility model;

FIG. 5 is a cross-sectional view of a partial structure of the present utility model;

fig. 6 is an enlarged view of a partial structure at a in fig. 5 according to the present utility model.

Wherein: 1. a stage cementing body; 2. an anti-rotation mechanism; 201. a first anti-rotation ring; 202. a second anti-rotation ring; 203. a clamping block; 3. a reinforcing block; 4. a baffle; 5. a pull ring; 6. a clamping plate; 7. a guide block; 8. a limit groove; 9. dovetail blocks; 10. a dovetail groove; 11. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, an anti-rotation seat of a stage cementing device comprises a stage cementing device body 1, wherein a reinforcing block 3 is movably connected to the surface of the stage cementing device body 1, and an anti-rotation mechanism 2 is arranged on the surface of the stage cementing device body 1;

the anti-rotation mechanism 2 comprises a first anti-rotation ring 201, a second anti-rotation ring 202 and four clamping blocks 203, wherein one side of each clamping block 203, which is close to the stage cementing device body 1, is fixedly connected with the stage cementing device body 1, and the opposite sides of the first anti-rotation ring 201 and the second anti-rotation ring 202 are movably connected with the surface of the stage cementing device body 1.

Through above-mentioned technical scheme, through setting up anti-rotation mechanism 2, can be under anti-rotation mechanism 2's effect, place stage cementing ware body 1 and appear rotating in the use to make the drill bit cause the influence to stage cementing ware body 1, make the body appear wearing and tearing, thereby the surface causes influence to stage cementing ware body 1, has reached and has avoided the drill bit to drive stage cementing ware body 1 and rotate when rotating, thereby avoid causing the purpose of wearing and tearing to stage cementing ware body 1.

Specifically, the surface swing joint of stage cementing ware body 1 has baffle 4, and the quantity of baffle 4 is four, and one side of baffle 4 extends to the inner wall of stage cementing ware body 1 and with the inner wall sliding connection of stage cementing ware body 1, one side fixedly connected with spring 11 of baffle 4, the one end of spring 11 and the inner wall fixed connection of stage cementing ware body 1.

Through above-mentioned technical scheme, through setting up the cooperation of baffle 4 and spring 11 and using, can increase stability and the fastness of first anti-swivel 201 and second anti-swivel 202 when using to increased the anti-swivel nature of stage cementing ware body 1, reached the purpose that increases the stability when using of first anti-swivel 201 and second anti-swivel 202.

Specifically, the top of the first anti-rotating ring 201 and the second anti-rotating ring 202 are fixedly connected with four dovetail blocks 9, and the surfaces of the dovetail blocks 9 are in contact with the inner wall of the baffle 4.

Through above-mentioned technical scheme, through setting up forked tail piece 9, can fix baffle 4, avoid baffle 4 to appear not hard up under the influence of external force to avoid influencing stability and the fastness of first anti-swivel 201 and second anti-swivel 202, reached the purpose of increasing the stability and the fastness of baffle 4.

Specifically, the bottom of the baffle 4 is provided with two dovetail grooves 10, and the inner cavity of the dovetail grooves 10 is movably connected with the surface of the dovetail block 9.

Through above-mentioned technical scheme, through setting up dovetail 10, can be under the effect of dovetail 10 for baffle 4 can remove, thereby facilitate the installation and the dismantlement of user to first anti-swivel 201 and second anti-swivel 202, reached the purpose that the convenience of customers removed baffle 4.

Specifically, two limiting grooves 8 are formed in the inner walls of the first anti-rotating ring 201 and the second anti-rotating ring 202, and the inner cavities of the limiting grooves 8 are in contact with the surfaces of the clamping blocks 203.

Through above-mentioned technical scheme, through setting up spacing groove 8, can be under the effect of spacing groove 8 to first anti-swivel 201 and second anti-swivel 202 auxiliary fixation, reached the purpose of auxiliary fixation first anti-swivel 201 and second anti-swivel 202.

Specifically, the surface fixedly connected with cardboard 6 of stage cementing ware body 1, the quantity of cardboard 6 is two, and the equal fixedly connected with guide block 7 in both sides of cardboard 6, the inner wall swing joint of cardboard 6 and guide block 7 all and reinforcement piece 3.

Through above-mentioned technical scheme, through setting up the cooperation use of cardboard 6 and guide block 7, can facilitate the use person install and dismantle reinforcing block 3, reached the purpose that the user of facilitating the use installed and dismantled reinforcing block 3.

Specifically, pull ring 5 is fixedly connected with the top of the reinforcement piece 3, and the pull ring 5 is made of metal materials.

Through above-mentioned technical scheme, through setting up pull ring 5, can the person of facilitating the use fix reinforcing block 3 to the person of facilitating the use uses reinforcing block 3, has reached the person of facilitating the use and has fixed purpose to reinforcing block 3.

When in use, in order to avoid the rotation of the stage cementing device body 1 in the use process, a user can install the first anti-rotation ring 201 and the second anti-rotation ring 202, the stage cementing device body 1 is prevented from rotating in the use process, the user conveniently clamps the first anti-rotation ring 201 and the second anti-rotation ring 202 into the surface of the stage cementing device body 1 in the installation process, the clamping blocks 203 enter the limit grooves 8, the dovetail blocks 9 are clamped into the dovetail grooves 10, the stability and the firmness of the first anti-rotation ring 201 and the second anti-rotation ring 202 are improved, in addition, the user can install the reinforcing blocks 3, the anti-rotation effect of the stage cementing device body 1 is further improved, when the reinforcing blocks 3 are installed, the user installs the reinforcing blocks 3 through the clamping plates 6 and the guide blocks 7, then the user can fix the reinforcing blocks 3 through the clamping plates 5, when the user needs to detach the first anti-rotation ring 201 and the second anti-rotation ring 202, the user moves the baffle plates 4 to detach the dovetail blocks 11, and the spring blocks 11 can detach from the dovetail grooves 10.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. The utility model provides a stage cementing ware prevents swivel mount, includes stage cementing ware body (1), its characterized in that: the surface of the stage cementing device body (1) is movably connected with a reinforcing block (3), and the surface of the stage cementing device body (1) is provided with an anti-rotation mechanism (2);

the anti-rotation mechanism (2) comprises a first anti-rotation ring (201), a second anti-rotation ring (202) and four clamping blocks (203), one side, close to the stage cementing device body (1), of each clamping block (203) is fixedly connected with the stage cementing device body (1), and one side, opposite to the second anti-rotation ring (202), of each first anti-rotation ring (201) is movably connected with the surface of the stage cementing device body (1).

2. A stage cementing apparatus according to claim 1 wherein: the surface swing joint of stage cementing ware body (1) has baffle (4), the quantity of baffle (4) is four, one side of baffle (4) extends to the inner wall of stage cementing ware body (1) and with the inner wall sliding connection of stage cementing ware body (1), one side fixedly connected with spring (11) of baffle (4), the one end of spring (11) and the inner wall fixed connection of stage cementing ware body (1).

3. A stage cementing apparatus according to claim 1 wherein: four dovetail blocks (9) are fixedly connected to the tops of the first anti-rotation ring (201) and the second anti-rotation ring (202), and the surfaces of the dovetail blocks (9) are in contact with the inner wall of the baffle plate (4).

4. A stage cementing apparatus according to claim 2 wherein: the bottom of the baffle (4) is provided with two dovetail grooves (10), and the inner cavity of the dovetail grooves (10) is movably connected with the surface of the dovetail block (9).

5. A stage cementing apparatus according to claim 1 wherein: two limiting grooves (8) are formed in the inner walls of the first anti-rotating ring (201) and the second anti-rotating ring (202), and the inner cavities of the limiting grooves (8) are in contact with the surfaces of the clamping blocks (203).

6. A stage cementing apparatus according to claim 1 wherein: the surface fixedly connected with cardboard (6) of stage cementing ware body (1), the quantity of cardboard (6) is two, the equal fixedly connected with guide block (7) in both sides of cardboard (6), the surface of cardboard (6) and guide block (7) all with the inner wall swing joint of strengthening piece (3).

7. A stage cementing apparatus according to claim 1 wherein: the top of the reinforcing block (3) is fixedly connected with a pull ring (5), and the pull ring (5) is made of a metal material.