CN219974446U

CN219974446U - Sand washing cylinder for horizontal well

Info

Publication number: CN219974446U
Application number: CN202321324591.9U
Authority: CN
Inventors: 李惠洋子; 李军
Original assignee: Shaanxi Stan Energy Development Co ltd
Current assignee: Shaanxi Stan Energy Development Co ltd
Priority date: 2023-05-29
Filing date: 2023-05-29
Publication date: 2023-11-07
Anticipated expiration: 2033-05-29

Abstract

The utility model provides a sand washing cylinder for a horizontal well, which belongs to the technical field of sand washing and comprises a main cylinder, wherein a sand washing mechanism is arranged in the main cylinder, the sand washing mechanism comprises a plurality of fixed blocks, the surfaces of the fixed blocks are fixedly provided with supporting rods, the supporting rods are provided with a plurality of rotating rods, the rotating rods are rotatably arranged in the fixed blocks, the surfaces of the rotating rods are fixedly provided with connecting blocks, a fan is fixedly arranged on the surfaces of the connecting blocks, and the fans are provided with a plurality of rotating rods. According to the utility model, through the arrangement of the sand washing mechanism, the fan is driven to rotate under the impact of the sand washing liquid in the pipeline, the rotation of the fan drives the scraper at the end part of the rotating rod to rotate, and the rotation of the scraper can scrape sediment which is accumulated at the bottom of the pipeline and is difficult to wash away by the sand washing liquid, so that the sediment is loose and is easier to wash away by the sand washing liquid, the sand washing efficiency is improved, and the sand washing result is cleaner.

Description

Sand washing cylinder for horizontal well

Technical Field

The utility model relates to the technical field of sand flushing, in particular to a sand flushing cylinder for a horizontal well.

Background

In the petroleum horizontal well exploitation production process, stratum sand can be moved into a production casing along with the flow of stratum liquid, so that production faults such as sand-buried perforation sections, blocking downhole tools and the like are caused. After the horizontal well is produced for a certain period, as the length of the perforation section is large and sand is discharged more, the sand bed greatly influences the output of an oil layer, and sand flushing operation is needed to be carried out on the horizontal well with more sand discharge. The conventional sand washing operation is to wash out stratum sand deposited in a horizontal well production casing pipe by using construction liquid and a construction pipe column and carry the stratum sand out of a shaft, so as to recover a circulation channel of the stratum liquid.

The traditional sand washing cylinder can only simply collect sand washing liquid and carried sand, then the sand washing liquid and the sand are pumped to the ground through the connecting pipe, but the sediment deposited at the bottom of the pipeline is difficult to collect by the collecting mode, the sediment is adhered to the inner wall of the pipeline, the sand washing liquid cannot wash the sand, and the washing efficiency is low.

Disclosure of Invention

In order to overcome the above disadvantages, the present utility model provides a horizontal well sand flushing cylinder which overcomes or at least partially solves the above technical problems.

The utility model is realized in the following way:

the utility model provides a sand flushing cylinder of a horizontal well, which comprises a main cylinder, wherein a sand flushing mechanism is arranged in the main cylinder, and the sand flushing mechanism comprises:

the fixing blocks are provided with a plurality of fixing blocks, the surfaces of the fixing blocks are fixedly provided with supporting rods, the supporting rods are provided with a plurality of fixing blocks, and the supporting rods are fixedly connected with the inner wall of the main cylinder;

the rotating rod is rotatably arranged in the fixed block, and a connecting block is fixedly arranged on the surface of the rotating rod;

the fans are fixedly arranged on the surface of the connecting block and are arranged in a plurality of mode.

In one embodiment of the utility model, the end part of the rotating rod is fixedly provided with a mounting block, the surface of the mounting block is fixedly provided with a plurality of connecting rods.

In one embodiment of the utility model, the end part of the connecting rod is fixedly provided with a scraper, the scraper is arc-shaped, the inner diameter of the scraper is the same as the inner diameter of the pipeline, and the outer surface of the scraper is closely attached to the pipeline.

In one embodiment of the utility model, a scraper is fixedly arranged at the front part of the main cylinder, the scraper is round, the diameter of the scraper is the same as that of the main cylinder, and the knife edge of the scraper is inclined at 45 degrees.

In one embodiment of the utility model, a guide pipe is fixedly arranged at the rear part of the main cylinder, the guide pipe is funnel-shaped, a connecting pipe is fixedly arranged at the end part of the guide pipe, and the inner diameter of the connecting pipe is smaller than that of the main cylinder.

In one embodiment of the utility model, the front part of the supporting rod is fixedly provided with a mounting piece, and the side part of the mounting piece is fixedly provided with a connecting column.

In one embodiment of the utility model, a water baffle is mounted at the end of the connecting column, the water baffle is in sliding connection with the connecting column, the water baffle is arranged in a semicircular shape, and the side surface of the water baffle is arranged in a 45-degree inclined manner.

In one embodiment of the utility model, the surface of the connecting column is sleeved with a spring, and the spring is arranged between the water baffle and the mounting piece.

The utility model provides a sand flushing cylinder for a horizontal well, which has the beneficial effects that:

1. through the setting of sand washing mechanism, sand washing liquid is strikeed the fan and is rotated, and the fan drives the dwang and rotates, and the rotation of dwang can drive the scraper of dwang tip again and rotate, and the rotation of scraper can strike off the sandy soil of pipeline inner wall deposit, and the sandy soil that is scraped carries the inside of a sand washing section of thick bamboo through sand washing liquid that can be easier and collect.

2. Can subside the sandy soil that the impact fluid carried through the setting of scraper blade, the sandy soil that subsides is shoveled through 45 degrees scraper blades, and the pipe wall that the shoveling of scraper blade can be easier is cleared up, can not cause sandy soil to be pushed away by the baffle because the section of thick bamboo wall of vertical setting leads to can not shoveling the sandy soil.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure provided by an embodiment of the present utility model;

FIG. 2 is a schematic view of an internal rear view structure according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of an internal front view structure according to an embodiment of the present utility model;

fig. 4 is a schematic diagram of a portion a in fig. 3 according to an embodiment of the present utility model.

In the figure: 1. a main barrel; 2. a sand washing mechanism; 3. a scraper; 4. a flow guiding pipe; 5. a connecting pipe; 6. a mounting member; 7. a connecting column; 8. a water baffle; 9. a spring; 201. a fixed block; 202. a support rod; 203. a rotating lever; 204. a connecting block; 205. a fan; 206. a mounting block; 207. a connecting rod; 208. a scraper.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-4, the present technical solution provides a horizontal well sand washing barrel, which includes a main barrel 1, wherein a sand washing mechanism 2 is disposed in the main barrel 1, the sand washing mechanism 2 includes a fixed block 201, a rotating rod 203 and a fan 205, the fixed block 201 is provided with a plurality of fixed blocks, the surface of the plurality of fixed blocks 201 is fixedly provided with a plurality of support rods 202, the support rods 202 are fixedly connected with the inner wall of the main barrel 1, the fixed block 201 can be stably fixed in the main barrel 1 under the support of the plurality of support rods 202, the rotating rod 203 is rotatably mounted in the fixed block 201, a connecting block 204 is fixedly mounted on the surface of the rotating rod 203, the fan 205 is fixedly mounted on the surface of the connecting block 204, the fan 205 is connected with the connecting block 204 through a bearing, the plurality of fans 205 are disposed side by side, the end of the rotating rod 203 is fixedly mounted with a mounting block 206, the surface of the installation block 206 is fixedly provided with a plurality of connection rods 207, the end parts of the plurality of connection rods 207 are fixedly provided with scrapers 208, the scrapers 208 are arc-shaped, the arrangement of the arc-shaped scrapers 208 can enable the scrapers 208 to scrape the inner wall of a pipeline more cleanly, the inner diameter of the scrapers 208 is the same as the inner diameter of the pipeline, the outer surface of the scrapers 208 is closely attached to the pipeline, the fan 205 rotates through the impact of sand washing liquid on the fan 205, the rotating fan 205 can drive the rotating rod 203 to rotate, the rotating rod 203 rotates in the fixed block 201, the rotating rod 203 can drive the installation block 206 fixedly arranged at the end part of the rotating rod 203 to rotate, the installation block 206 drives the connection rods 207 to rotate, the connection rods 207 drive the scrapers 208 to rotate, and the sediment in the pipeline can be scraped and scattered by the rotation of the scrapers 208, so that the sand washing liquid can be carried on the sandy soil more easily.

Referring to fig. 1-4, based on the same concept as the above embodiment 1, the present embodiment further proposes that the front portion of the main cylinder 1 is fixedly provided with a scraper 3, the scraper 3 is circular, the diameter of the scraper 3 is the same as that of the main cylinder 1, the scraper 3 is matched with the cylinder wall of the main cylinder 1, the knife edge of the scraper 3 is inclined at 45 degrees, the inclined scraper 3 can scoop out the sand deposited at the bottom of the pipe wall, the rear portion of the main cylinder 1 is fixedly provided with a flow guide pipe 4, the flow guide pipe 4 is funnel-shaped, the end portion of the flow guide pipe 4 is fixedly provided with a connecting pipe 5, the inner diameter of the connecting pipe 5 is smaller than the inner diameter of the main cylinder 1, the funnel-shaped flow guide pipe 4 can make sand washing liquid easier to carry sand into the interior of the connecting pipe 5, the sand is prevented from being blocked by the cylinder wall before entering the connecting pipe 5, the sand is deposited in the interior of the sand washing cylinder, and the interior of the sand washing cylinder is blocked, the surface of the front supporting rod 202 is fixedly provided with a mounting part 6, the side part of the mounting part 6 is fixedly provided with a connecting column 7, the end part of the connecting column 7 is provided with a water baffle 8, the water baffle 8 can further increase the flow velocity of sand washing liquid, so that the sand washing liquid can impact the fan 205 more easily, the water baffle 8 is in sliding connection with the connecting column 7, the water baffle 8 is arranged in a semicircular shape, the side surface of the water baffle 8 is arranged in a 45-degree inclined manner, the 45-degree arrangement can enable the water baffle 8 and the scraping plate 3 to be tightly adhered together, the surface of the connecting column 7 is sheathed with a spring 9, the spring 9 is arranged between the water baffle 8 and the mounting part 6, when water current does not impact the water baffle 8, the spring 9 is in a stretching shape, the water baffle 8 is not adhered to the scraping plate 3, the cleaning is convenient for workers when the water current impacts the water baffle 8, the water baffle 8 is attached to the scraper 3.

Specifically, the working process or working principle of the horizontal well sand flushing cylinder is as follows: firstly, staff descends the inside of a horizontal well with a main cylinder 1, a connecting pipe 5 of the main cylinder 1 is connected with a water pump on the ground, then, staff sets up to wash sand inside the horizontal well, wash sand liquid starts to wash sand inside the horizontal well, impact force generated by wash sand liquid can drive a fan 205 to rotate, the rotation of the fan 205 drives a rotating rod 203 to rotate, the rotation of the rotating rod 203 drives a scraper 208 at the end part of the rotating rod 203 to rotate, the rotation of the scraper 208 can enable the scraper 208 to scrape the inside of the horizontal well, sand and soil deposited on the inner wall of the horizontal well are scattered by the scraper 208, the scattered sand and soil can be carried into the inside of the wash sand cylinder more easily by wash sand liquid, sedimentation can be generated in the process of carrying the sand and soil by the wash sand liquid, the sedimentation sand and soil can be scraped by a scraper 3, the arrangement of a water flow pipe diameter of a water flow can be suddenly reduced, the flow speed of the wash sand liquid can be increased, and the water blocking plate 8 can be impacted better by the fan 205.

Claims

1. The utility model provides a horizontal well sand flushing cylinder, includes main section of thick bamboo (1), its characterized in that, the inside of main section of thick bamboo (1) is provided with sand flushing mechanism (2), sand flushing mechanism (2) include:

the fixing blocks (201) are arranged, a plurality of supporting rods (202) are fixedly arranged on the surfaces of the fixing blocks (201), the supporting rods (202) are arranged, and the supporting rods (202) are fixedly connected with the inner wall of the main cylinder (1);

the rotating rod (203) is rotatably arranged in the fixed block (201), and a connecting block (204) is fixedly arranged on the surface of the rotating rod (203);

the fan (205), fan (205) fixed mounting is at the surface of connecting block (204), fan (205) are provided with a plurality of.

2. A horizontal well sand flushing barrel according to claim 1, characterized in that a mounting block (206) is fixedly mounted at the end of the rotating rod (203), a connecting rod (207) is fixedly mounted on the surface of the mounting block (206), and a plurality of connecting rods (207) are arranged.

3. The horizontal well sand flushing cylinder according to claim 2, wherein a scraper (208) is fixedly installed at the end parts of the connecting rods (207), the scraper (208) is arc-shaped, the inner diameter of the scraper (208) is the same as the inner diameter of a pipeline, and the outer surface of the scraper (208) is closely attached to the pipeline.

4. The horizontal well sand flushing cylinder according to claim 1, wherein a scraper (3) is fixedly arranged at the front part of the main cylinder (1), the scraper (3) is circular, the diameter of the scraper (3) is the same as that of the main cylinder (1), and the knife edge of the scraper (3) is inclined at 45 degrees.

5. The horizontal well sand flushing cylinder according to claim 1, wherein a guide pipe (4) is fixedly arranged at the rear part of the main cylinder (1), the guide pipe (4) is funnel-shaped, a connecting pipe (5) is fixedly arranged at the end part of the guide pipe (4), and the inner diameter of the connecting pipe (5) is smaller than the inner diameter of the main cylinder (1).

6. A horizontal well sand flushing barrel according to claim 1, characterized in that the surface of the support bar (202) at the front is fixedly provided with a mounting piece (6), and the side part of the mounting piece (6) is fixedly provided with a connecting column (7).

7. The horizontal well sand flushing cylinder according to claim 6, wherein a water baffle (8) is installed at the end part of the connecting column (7), the water baffle (8) is in sliding connection with the connecting column (7), the water baffle (8) is in a semicircular arrangement, and the side surface of the water baffle (8) is in a 45-degree inclined arrangement.

8. A horizontal well sand flushing barrel according to claim 7, characterized in that the surface of the connecting column (7) is sleeved with a spring (9), the spring (9) being arranged between the water baffle (8) and the mounting (6).