CN215761603U - Exempt from to sweep stopper formula stage cementing ware - Google Patents
Exempt from to sweep stopper formula stage cementing ware Download PDFInfo
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- CN215761603U CN215761603U CN202122291187.3U CN202122291187U CN215761603U CN 215761603 U CN215761603 U CN 215761603U CN 202122291187 U CN202122291187 U CN 202122291187U CN 215761603 U CN215761603 U CN 215761603U
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Abstract
The utility model provides a sweeping-free plug type stepped cementing device, which relates to the technical field of sweeping-free plug type stepped cementing devices and comprises a cementing device body and a sealing device, wherein a pouring head is installed on the inner wall of the cementing device body, a closing plug is connected to the inner wall of the cementing device body in a sliding manner, the surface of the closing plug is provided with the sealing device, the sealing device comprises conical rods, the four conical rods are circumferentially arrayed on the surface of the closing plug, sealing rings are sleeved on the surfaces of the four conical rods, limiting rings are movably connected to the surfaces of the conical rods, limiting blocks are fixedly connected to the surfaces of the limiting rings, the limiting blocks are in U-shaped structures, and the limiting rods are slidably inserted into the limiting blocks. The utility model solves the problem that the sealing performance between the non-sweeping plug type stage cementing device and the closing plug can be reduced after the closing plug of the inner wall of the non-sweeping plug type stage cementing device moves with the inner wall of the non-sweeping plug type stage cementing device for a long time.
Description
Technical Field
The utility model relates to the technical field of cleaning-free plug type stage cementing devices, in particular to a cleaning-free plug type stage cementing device.
Background
A cleaning-free plug type step cementing device, namely a tool for injecting cement on petroleum, can be used for carrying out half-way well cementation under a horizontal well instead of a sieve tube or dividing a well into two sections for improving the well cementation quality in a deep well, and is usually arranged in a casing string, and a device for finishing two-stage or multi-stage cementing operation is usually used for driving liquid cement to move by taking a closing plug as a driving structure.
Exempt from to sweep the closure stopper of plug formula stage cementing ware inner wall and take place the motion back rather than the inner wall for a long time, exempt from to sweep the plug formula stage cementing ware and close the space between the stopper and can increase to can reduce and exempt from to sweep the leakproofness between plug formula stage cementing ware and the closure stopper, further can lead to the condition of grout pouring leading to liquid cement when carrying out the grout work.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that the sealing performance between a non-sweeping plug type stage cementing device and a closing plug is reduced after the closing plug of the inner wall of the non-sweeping plug type stage cementing device moves with the inner wall of the non-sweeping plug type stage cementing device for a long time, and provides the non-sweeping plug type stage cementing device.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides an exempt from to sweep stopper formula stage cementing ware, includes cementing ware body and sealing device, the head of annotating is installed to the inner wall of cementing ware body, the inner wall sliding connection of cementing ware body has and closes the stopper, the surface of closing the stopper is equipped with sealing device, sealing device includes the taper rod, four taper rod circumference array is closing the surface of stopper, four the surperficial cover of taper rod has the sealing washer, the surperficial swing joint of taper rod has the spacing ring, the fixed surface of spacing ring is connected with the stopper, the stopper is "U" shape structure, the inside slip of stopper is inserted and is equipped with the gag lever post, the one end fixedly connected with fixture block that the gag lever post is located the stopper inner wall, the fixture block is "T" shape structure, the spacing groove has been seted up on the surface of taper rod, the size of spacing groove and the size looks adaptation of fixture block.
Preferably, the surface of the limiting rod is sleeved with a first spring, and two ends of the first spring are fixedly connected with the clamping block and the limiting block respectively.
Preferably, one end of the limiting rod, which is far away from the clamping block, is fixedly connected with a circular block, and the limiting grooves are uniformly arranged on the arc surface of the conical rod.
Preferably, the surface of cementing ware body is equipped with cleaning device, cleaning device includes lantern ring frame, lantern ring frame is located the surface of cementing ware body, the inside slip of lantern ring frame is inserted and is equipped with two sliders, two the fixed surface that is located lantern ring frame inner wall of slider is connected with the supporting shoe, the supporting shoe is "V" shape structure, two abrasive paper of the inner wall fixedly connected with of supporting shoe, the internal thread of lantern ring frame is wiped and is inserted and is equipped with the bolt.
Preferably, the surface of the lantern ring frame is slidably inserted with two rectangular rods, and one ends of the two rectangular rods close to each other are fixedly connected with scraping blocks.
Preferably, the surface of the rectangular rod is sleeved with a second spring, and two ends of the second spring are respectively and fixedly connected with the lantern ring frame and the scraping block.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. according to the utility model, the sealing device is arranged, the sealing rings are pricked on the surfaces of the four conical rods, the sealing rings are pressed at the positions which are attached to the surfaces of the closing plugs, at the moment, the circular block is pulled towards the direction far away from the limiting block, the circular block can drive the limiting rod to slide in the limiting block, the limiting ring can drive the clamping block to move towards the side far away from the limiting ring, the limiting ring is sleeved on the surfaces of the conical rods, then the limiting ring is pressed on the surfaces of the sealing rings, the circular block is loosened, the clamping block is clamped on the inner walls, corresponding to the limiting grooves, of the conical rods under the elastic force of the first spring on the inner walls of the limiting block, so that the effect of fixing the limiting rings after the limiting rings are pressed on the sealing rings can be achieved, the limiting rings are pressed on the surfaces of the sealing rings one by one to be fixed, the effect of fixing the sealing rings on the closing plugs can be achieved, and the sealing performance between the closing plugs and the cement injector body is improved, the problem of the grout pouring situation is avoided, and the sealing ring is arranged on the closing plug through the sealing device, so that the sealing performance between the closing plug and the cementing device body is improved.
2. In the utility model, by arranging the cleaning device, when the surface of the used cementing device body needs to be cleaned, the lantern ring frame is sleeved on the surface of the cementing device body, the bolt in the lantern ring frame is rotated, the bolt can drive the supporting blocks to move towards the direction close to the surface of the cementing device body, when the abrasive paper on the two supporting blocks moves to the position jointed with the cementing device body, the bolt can be stopped from rotating, the scraping block can be always jointed on the surface of the cementing device body by the elasticity of the second spring on the lantern ring frame, at the moment, the lantern ring frame on the surface of the cementing device body is rotated, the solid large-block slurry on the surface of the cementing device body can be firstly scraped by the scraping block, the lantern ring frame is rotated while the lantern ring frame is pushed, the surface of the cementing device can move mutually with the abrasive paper after being scraped by the scraping block, so that the effect of scraping small-particle slurry on the surface of the cementing device can be achieved, and then accomplish the cleanness to the cementing ware body surface, through setting up cleaning device, improved the staff to the clear efficiency in cementing ware body surface.
Drawings
FIG. 1 is a schematic perspective view of a step-by-step cement injector without sweeping according to the present invention;
FIG. 2 is a schematic structural diagram of a shutoff plug of a step-by-step cement injector without scavenging according to the present invention;
FIG. 3 is a schematic view of a portion of the structure of FIG. 2 in a sweep-free stage cementing apparatus according to the present invention;
FIG. 4 is a schematic structural view of a stop collar of the step-by-step cement injector without sweeping according to the present invention;
FIG. 5 is a schematic structural diagram of a cleaning device in a step-by-step cement injector without sweeping according to the present invention.
Illustration of the drawings: 1. a cementing unit body; 2. injecting a head; 3. closing the plug; 4. a sealing device; 41. a seal ring; 42. a tapered rod; 43. a limiting ring; 44. a limiting groove; 45. a circular block; 46. a limiting rod; 47. a limiting block; 48. a first spring; 49. a clamping block; 5. a cleaning device; 51. a collar frame; 52. a support block; 53. a slider; 54. a bolt; 55. sand paper; 56. scraping the block; 57. a second spring; 58. a rectangular bar.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
The specific arrangement and function of the sealing means 4 and the cleaning means 5 will be described in detail below.
As shown in fig. 1 and 2, the sealing device 4 includes conical rods 42, four conical rods 42 are circumferentially arrayed on the surface of the closing plug 3, the surface sleeves of the four conical rods 42 are provided with sealing rings 41, and the limiting rings 43 are pressed on the surfaces of the sealing rings 41 one by one to be fixed, so that the effect of fixing the sealing rings 41 on the closing plug 3 can be achieved, further, the sealing performance between the closing plug 3 and the cement injector body 1 is improved, the problem of the slurry pouring situation is avoided, the surface of the conical rods 42 is movably connected with the limiting rings 43, the surface of the limiting rings 43 is fixedly connected with limiting blocks 47, and the limiting blocks 47 are of a U-shaped structure.
Limiting rod 46 is inserted in limiting block 47 in a sliding manner, a clamping block 49 is fixedly connected to one end of limiting rod 46, which is located on the inner wall of limiting block 47, clamping block 49 is of a T-shaped structure, limiting groove 44 is formed in the surface of conical rod 42, and the size of limiting groove 44 is matched with that of clamping block 49.
The surface of the limiting rod 46 is sleeved with a first spring 48, the sealing rings 41 are pricked on the surfaces of the four conical rods 42 by arranging the sealing device 4, the sealing rings 41 are pressed at the positions which are attached to the surface of the closing plug 3, at the moment, the circular block 45 is pulled towards the direction far away from the limiting block 47, the circular block 45 drives the limiting rods 46 to slide in the limiting block 47, the limiting ring 43 drives the clamping block 49 to move towards the side far away from the limiting ring 43, the limiting ring 43 is firstly sleeved on the surface of the conical rods 42, then the limiting ring 43 is tightly pressed on the surface of the sealing rings 41, at the moment, the circular block 45 is opened, the clamping block 49 is clamped into the inner wall of the corresponding limiting groove 44 on the conical rods 42 by the elastic force of the first spring 48 on the inner wall of the limiting block 47, therefore, the effect of fixing the limiting ring 43 after being pressed on the sealing ring 41 can be achieved, and two ends of the first spring 48 are fixedly connected with the clamping block 49 and the limiting block 47 respectively.
One end of the limiting rod 46 far away from the fixture block 49 is fixedly connected with a circular block 45, and the limiting grooves 44 are uniformly arranged on the circular arc surface of the conical rod 42.
The whole sealing device 4 achieves the effect that by arranging the sealing device 4, the sealing rings 41 are pricked on the surfaces of the four conical rods 42, the sealing rings 41 are pressed against the position on the surface of the closing plug 3, at the moment, the circular block 45 is pulled towards the direction far away from the limiting block 47, the circular block 45 drives the limiting rod 46 to slide in the limiting block 47, the limiting ring 43 drives the clamping block 49 to move towards the side far away from the limiting ring 43, the limiting ring 43 is firstly sleeved on the surface of the conical rods 42 and then the limiting ring 43 is tightly pressed on the surface of the sealing rings 41, at the moment, the circular block 45 is opened, the clamping block 49 is clamped into the inner wall of the corresponding limiting groove 44 on the conical rods 42 by the elastic force of the first spring 48 on the inner wall of the limiting block 47, so that the effect of tightly pressing the limiting ring 43 on the sealing rings 41 for fixing can be achieved, the limiting rings 43 are tightly pressed on the surface of the sealing rings 41 one by one, so that the sealing rings 41 can be fixed, and the effect of fixing the sealing rings 41 on the closing plug 3 can be achieved, and then improved the leakproofness between closing plug 3 and the cementing ware body 1, avoided the problem that the grout pouring condition takes place, through setting up sealing device 4, install a sealing washer 41 on closing plug 3 to the leakproofness between closing plug 3 and the cementing ware body 1 has been improved.
As shown in fig. 1 and 5, the cleaning device 5 includes a collar frame 51, the collar frame 51 is located on the surface of the cementing device body 1, two sliding blocks 53 are slidably inserted into the collar frame 51, a supporting block 52 is fixedly connected to the surfaces of the two sliding blocks 53, which are located on the inner wall of the collar frame 51, the supporting block 52 is in a V-shaped structure, two pieces of sandpaper 55 are fixedly connected to the inner wall of the supporting block 52, a bolt 54 is inserted into the inner thread of the collar frame 51, by providing the cleaning device 5, when the surface of the used cementing device body 1 needs to be cleaned, the collar frame 51 is sleeved on the surface of the cementing device body 1, the bolt 54 inside the collar frame 51 is rotated, the bolt 54 drives the supporting block 52 to move towards the direction close to the surface of the cementing device body 1, when the sandpaper 55 on the two support blocks 52 is moved to a position where it is attached to the cementing body 1, the rotation of the bolt 54 is stopped.
Two rectangular rods 58 are slidably inserted into the surface of the collar frame 51, and the scraping blocks 56 are fixedly connected to the ends, close to each other, of the two rectangular rods 58.
The surface cover of rectangular pole 58 has second spring 57, scrape the elasticity laminating that piece 56 can receive second spring 57 on lantern ring frame 51 all the time on the surface of cementing device body 1, rotate lantern ring frame 51 on cementing device body 1 surface this moment, the bold solid mud on cementing device body 1 surface can be scraped the piece 56 and scraped well earlier, rotate lantern ring frame 51 in the time of propelling lantern ring frame 51, scrape the surface of moving back cementing device and can and sand paper 55 between the motion each other by scraping piece 56, thereby can reach and scrape the effect of cleaning with the surperficial tiny particle mud of cementing device, and then accomplish the cleanness to cementing device body 1 surface, the both ends of second spring 57 respectively with lantern ring frame 51 with scrape piece 56 fixed connection.
The whole cleaning device 5 has the effects that by arranging the cleaning device 5, when the surface of the used cementing device body 1 needs to be cleaned, the lantern ring frame 51 is sleeved on the surface of the cementing device body 1, the bolt 54 inside the lantern ring frame 51 is rotated, the bolt 54 can drive the supporting block 52 to move towards the direction close to the surface of the cementing device body 1, after the sand paper 55 on the two supporting blocks 52 moves to the position attached to the cementing device body 1, the bolt 54 can stop rotating, the scraping block 56 can be always attached to the surface of the cementing device body 1 by the elasticity of the second spring 57 on the lantern ring frame 51, at the moment, the lantern ring frame 51 on the surface of the cementing device body 1 is rotated, solid large-block mud on the surface of the cementing device body 1 can be scraped by the scraping block 56, the lantern ring frame 51 is rotated while the lantern ring frame 51 is pushed, the surface of the cementing device can move with the sand paper 55 after the scraping block 56 is moved, thereby can reach and carry out the effect of scraping the surperficial tiny particle mud of cementing ware, and then accomplish the cleanness to 1 surface of cementing ware body, through setting up cleaning device 5, improved the staff to 1 clean surface's of cementing ware efficiency.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (7)
1. The utility model provides an exempt from to sweep stopper formula stage cementing ware, includes cementing ware body (1) and sealing device (4), its characterized in that: the inner wall of cementing ware body (1) is installed and is annotated head (2), the inner wall sliding connection of cementing ware body (1) has and closes stopper (3), the surface of closing stopper (3) is equipped with sealing device (4), sealing device (4) are including taper rod (42), four taper rod (42) circumference array is closing the surface of stopper (3), four the surface cover of taper rod (42) has sealing washer (41), the surface swing joint of taper rod (42) has spacing ring (43), the fixed surface of spacing ring (43) is connected with stopper (47), stopper (47) are "U" shape structure.
2. The sweep-free stage cementing apparatus according to claim 1, wherein: the inside of stopper (47) slides and inserts and be equipped with gag lever post (46), gag lever post (46) are located one end fixedly connected with fixture block (49) of stopper (47) inner wall, fixture block (49) are "T" shape structure, spacing groove (44) have been seted up on the surface of awl pole (42), the size of spacing groove (44) and the size looks adaptation of fixture block (49).
3. The sweep-free stage cementing apparatus according to claim 2, wherein: the surface of the limiting rod (46) is sleeved with a first spring (48), and two ends of the first spring (48) are fixedly connected with the clamping block (49) and the limiting block (47) respectively.
4. The sweep-free stage cementing apparatus according to claim 2, wherein: one end of the limiting rod (46) far away from the clamping block (49) is fixedly connected with a circular block (45), and the limiting grooves (44) are uniformly arranged on the arc surface of the conical rod (42).
5. The sweep-free stage cementing apparatus according to claim 1, wherein: the surface of cementing ware body (1) is equipped with cleaning device (5), cleaning device (5) are including lantern ring frame (51), lantern ring frame (51) are located the surface of cementing ware body (1), the inside slip of lantern ring frame (51) is inserted and is equipped with two slider (53), two the fixed surface that is located lantern ring frame (51) inner wall of slider (53) is connected with supporting shoe (52), supporting shoe (52) are "V" shape structure, two abrasive paper (55) of inner wall fixedly connected with of supporting shoe (52), the internal thread of lantern ring frame (51) is wiped and is inserted and is equipped with bolt (54).
6. The sweep-free stage cementing device of claim 5, wherein: two rectangular rods (58) are slidably inserted into the surface of the lantern ring frame (51), and one ends, close to each other, of the two rectangular rods (58) are fixedly connected with scraping blocks (56).
7. The sweep-free stage cementing apparatus according to claim 6, wherein: the surface of the rectangular rod (58) is sleeved with a second spring (57), and two ends of the second spring (57) are respectively fixedly connected with the lantern ring frame (51) and the scraping block (56).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122291187.3U CN215761603U (en) | 2021-09-22 | 2021-09-22 | Exempt from to sweep stopper formula stage cementing ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122291187.3U CN215761603U (en) | 2021-09-22 | 2021-09-22 | Exempt from to sweep stopper formula stage cementing ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215761603U true CN215761603U (en) | 2022-02-08 |
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ID=80089727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122291187.3U Active CN215761603U (en) | 2021-09-22 | 2021-09-22 | Exempt from to sweep stopper formula stage cementing ware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215761603U (en) |
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2021
- 2021-09-22 CN CN202122291187.3U patent/CN215761603U/en active Active
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