CN219795194U

CN219795194U - Sand bailing device for oilfield downhole operation

Info

Publication number: CN219795194U
Application number: CN202223001081.6U
Authority: CN
Inventors: 赵海明; 赵昕年
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-10-03
Anticipated expiration: 2032-11-10

Abstract

The utility model discloses a sand bailing device for oilfield underground operation, which relates to the technical field of sand bailing drills and comprises a sand bailing barrel, wherein a first fixing seat is fixedly arranged at the upper end of the sand bailing barrel, an oil inlet pipe is fixedly arranged at the front end of the first fixing seat, an oil outlet pipe is fixedly arranged at the front end of the first fixing seat above the oil inlet pipe, two bucket doors are connected to the lower end of the sand bailing barrel in a shaft way, a plurality of bucket teeth are arranged at the lower end of each bucket door, each bucket tooth comprises a second fixing seat and a tooth block, the upper end of the second fixing seat is fixedly arranged at the lower end of each bucket tooth in a welding mode, and an adjusting ring is movably arranged outside the second fixing seat. L-shaped clamping blocks arranged in the inserting columns and the second fixing seats on the tooth blocks are beneficial to the fact that the tooth blocks are quickly and fixedly arranged at the lower positions of the second fixing seats, meanwhile, the adjusting rings, the mounting rings and the supporting plates are adjusted to be short, one ends of the two L-shaped clamping blocks can be synchronously gathered and separated from clamping grooves on one sides of the inserting columns, and therefore quick detachment of the tooth blocks is achieved.

Description

Sand bailing device for oilfield downhole operation

Technical Field

The utility model relates to the technical field of bailing drills, in particular to a bailing device for oilfield underground operation.

Background

When petroleum is drilled and mined, sand layers can appear in part of the oil wells due to different bottom layers of the oil wells, so that sand in the sand layers can be taken out by means of a sand scooping machine, a drill bit which is most commonly used and practical is a sand scooping hopper, the sand scooping hopper can be divided into a soil layer sand scooping hopper and a rock-embedded sand scooping hopper according to different stratum, the loaded teeth can be divided into a cutting pick drilling hopper and a bucket tooth drilling hopper, and the sand scooping hopper can be divided into a double-bottom sand scooping hopper and a single-bottom sand scooping hopper according to the number of bottom plates;

and pick or its fixing base of tooth of bailing drill lower extreme is fixed on barrel or dipper door through welded mode, in addition, pick or tooth can adopt threaded connection's mode direct fixed mounting in corresponding fixing base, because bailing drill's service environment is moist, and contains a large amount of silt, consequently, after the bailing drill uses certain time, rust can appear in its tooth or pick screwed connection department to and tooth or pick are because of the operation of bailing drill after, its tooth and pick are firmly screwed with the fixing base, and later stage dismouting is maintained, is difficult to dismantle.

Disclosure of Invention

The utility model aims to provide a sand bailing device for oilfield underground operation, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a bailing device for oilfield borehole operation, includes the bailing section of thick bamboo, bailing section of thick bamboo upper end fixed mounting has first fixing base, first fixing base front end fixed mounting has into oil pipe, is located first fixing base front end fixed mounting of oil pipe top position has out oil pipe, bailing section of thick bamboo lower extreme coupling has two gates, the gate lower extreme is equipped with a plurality of bucket teeth, the bucket teeth includes second fixing base and tooth piece, second fixing base upper end is through welded mode fixed mounting at bucket tooth lower extreme, second fixing base outside movable mounting has the adjusting ring.

As a further optimization scheme of the utility model, a first mounting groove is formed in the second fixing seat, two sides of the second fixing seat are respectively provided with a penetrating second mounting groove, and a first rotating groove is formed in the inner side of the second mounting groove.

As a further optimization scheme of the utility model, a spiral groove is formed in the outer side of the second fixing seat, and a positioning groove is formed in the lower end of the second fixing seat.

As a further optimization scheme of the utility model, a second rotating groove is formed in the inner side of the adjusting ring, a mounting ring is rotatably mounted in the second rotating groove, a plurality of supporting plates are fixedly mounted above the mounting ring, the adjusting ring is connected in the screw groove through screw threads positioned above and below the second rotating groove, and the mounting ring is rotatably mounted in the screw groove through the adjusting ring.

As a further optimization scheme of the utility model, the upper end of the tooth block is fixedly provided with the inserted column, both sides of the inserted column are provided with the clamping grooves, the upper end of the tooth block positioned outside the inserted column is fixedly provided with the positioning ring, the inserted column is installed in the first installation groove in a penetrating manner, and the positioning ring is installed in the positioning groove in a penetrating manner.

As a further optimization scheme of the utility model, an L-shaped clamping block is arranged in the second mounting groove, a fixed shaft is fixedly arranged in the L-shaped clamping block, two ends of the fixed shaft are respectively and rotatably arranged in the corresponding first rotating groove, the L-shaped clamping block is rotatably arranged in the second mounting groove through the fixed shaft, and one end of the L-shaped clamping block is inserted into the top of the clamping groove.

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

according to the sand bailing device for oilfield underground operation, the inserted columns on the tooth blocks and the L-shaped clamping blocks arranged in the second fixing seat are beneficial to the tooth blocks to be quickly and fixedly arranged at the lower position of the second fixing seat, meanwhile, the short adjusting ring, the mounting ring and the supporting plate are adjusted, one ends of the two L-shaped clamping blocks can be synchronously separated from the clamping grooves at one side of the inserted columns in a gathering mode, and further the tooth blocks are quickly detached.

Drawings

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

FIG. 2 is a fragmentary view of the tooth construction of the present utility model;

fig. 3 is a partial cross-sectional view of a post according to the present utility model.

In the figure: 1. a sand bailing cylinder; 2. a first fixing seat; 3. an oil inlet pipe; 4. an oil outlet pipe; 5. a hopper door; 6. bucket teeth; 7. the second fixing seat; 8. tooth blocks; 9. an adjusting ring; 10. a first mounting groove; 11. a second mounting groove; 12. a first rotating groove; 13. a screw groove; 14. a positioning groove; 15. a second rotary groove; 16. a mounting ring; 17. a supporting plate; 18. an L-shaped clamping block; 19. a fixed shaft; 20. inserting a column; 21. a clamping groove; 22. and a positioning ring.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-3, the sand bailing device for oilfield downhole operation provided by the utility model comprises a sand bailing barrel 1, wherein a first fixing seat 2 is fixedly arranged at the upper end of the sand bailing barrel 1, an oil inlet pipe 3 is fixedly arranged at the front end of the first fixing seat 2, an oil outlet pipe 4 is fixedly arranged at the front end of the first fixing seat 2 positioned above the oil inlet pipe 3, two bucket doors 5 are connected at the lower end of the sand bailing barrel 1 in a shaft manner, a plurality of bucket teeth 6 are arranged at the lower end of the bucket doors 5, each bucket tooth 6 comprises a second fixing seat 7 and a tooth block 8, the upper end of the second fixing seat 7 is fixedly arranged at the lower end of the bucket tooth 6 in a welding manner, and an adjusting ring 9 is movably arranged at the outer side of the second fixing seat 7.

The second fixing seat 7 is internally provided with a first mounting groove 10, two sides of the second fixing seat 7 are respectively provided with a penetrating second mounting groove 11, and the inner side of the second mounting groove 11 is provided with a first rotating groove 12.

The outside of the second fixing seat 7 is provided with a screw groove 13, and the lower end of the second fixing seat 7 is provided with a positioning groove 14.

The inner side of the adjusting ring 9 is provided with a second rotating groove 15, a mounting ring 16 is rotatably mounted in the second rotating groove 15, a plurality of supporting plates 17 are fixedly mounted above the mounting ring 16, the adjusting ring 9 is connected in the screw groove 13 through screw threads positioned above and below the second rotating groove 15, and the mounting ring 16 is rotatably mounted in the screw groove 13 through the adjusting ring 9;

further, the adjusting ring 9 drives the mounting ring 16 to move upwards, so that the supporting plate 17 at the upper end of the mounting ring 16 can rotate for the L-shaped clamping block.

The upper end of the tooth block 8 is fixedly provided with a plunger 20, both sides of the plunger 20 are provided with clamping grooves 21, the upper end of the tooth block 8 positioned outside the plunger 20 is fixedly provided with a positioning ring 22, the plunger 20 is installed in the first installation groove 10 in a penetrating way, and the positioning ring 22 is installed in the positioning groove 14 in a penetrating way;

further, the tooth block 8 is inserted into the first installation groove 10 through the insert pin 20 at the upper end, and the purpose of quick assembly and disassembly can be achieved at the lower end of the second fixing seat 7 by means of the L-shaped clamping block.

An L-shaped clamping block 18 is arranged in the second mounting groove 11, a fixed shaft 19 is fixedly arranged in the L-shaped clamping block 18, two ends of the fixed shaft 19 are respectively and rotatably arranged in the corresponding first rotating groove 12, the L-shaped clamping block 18 is rotatably arranged in the second mounting groove 11 through the fixed shaft 19, and one end of the L-shaped clamping block 18 is inserted into the inner top of the clamping groove 21;

further, the L-shaped clip 18 can fixedly mount the plunger 20 in the first mounting groove 10 by the pressing force inserted into the clip groove 21.

It should be noted that, when the sand bailing device for oilfield downhole operation is used, firstly, the plunger 20 at the upper end of the tooth block 8 is inserted into the first mounting groove 10 and is inserted into the positioning groove 14 through the positioning ring 22, so that the tooth block 8 is mounted at the lower end of the second fixing seat 7 through the plunger 20 more stably, then, one end of the L-shaped clamping block 18 in the second mounting groove 11 at two sides of the second fixing seat 7 is pried, so that the L-shaped clamping block 18 rotates in the second mounting groove 11 by taking the fixed shaft 19 as an axle center, and one end of the L-shaped clamping block 18 is inserted into and pressed at the top of the clamping groove 21, and the fixed shaft 19 is fixedly mounted in the first mounting groove 10;

when the tooth block 8 needs to be detached from the lower end of the second fixing seat 7, the adjusting ring 9 only needs to rotate on the screw groove 13 through the screw threads on the inner wall, then the second rotating groove 15 on the inner side of the adjusting ring 9 rotates on the mounting ring 16, further the adjusting ring 9 drives the mounting ring 16 to move upwards on the screw groove 13, then the supporting plate 17 on the upper end of the mounting ring 16 jacks up one end of the L-shaped clamping block 18, further the L-shaped clamping block 18 rotates clockwise in the second mounting groove 11 by taking the fixing shaft 19 as an axis, further the L-shaped clamping block 18 is separated from the clamping groove 21, further the inserting column 20 is taken out of the first mounting groove 10, and the tooth block 8 can be removed.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a bailing device for oilfield borehole operation, includes bailing section of thick bamboo (1), bailing section of thick bamboo (1) upper end fixed mounting has first fixing base (2), first fixing base (2) front end fixed mounting has oil feed pipe (3), is located first fixing base (2) front end fixed mounting of oil feed pipe (3) top position has oil outlet pipe (4), bailing section of thick bamboo (1) lower extreme coupling has two sluice gates (5), its characterized in that: the bucket gate is characterized in that a plurality of bucket teeth (6) are arranged at the lower end of the bucket gate (5), the bucket teeth (6) comprise a second fixing seat (7) and a tooth block (8), the upper end of the second fixing seat (7) is fixedly arranged at the lower end of the bucket teeth (6) in a welding mode, and an adjusting ring (9) is movably arranged at the outer side of the second fixing seat (7).

2. A bailing device for use in oilfield downhole operations as recited in claim 1, wherein: a first mounting groove (10) is formed in the second fixing seat (7), penetrating second mounting grooves (11) are formed in two sides of the second fixing seat (7), and a first rotating groove (12) is formed in the inner side of each second mounting groove (11).

3. A bailing device for use in oilfield downhole operations as recited in claim 2, wherein: the outside of the second fixing seat (7) is provided with a screw groove (13), and the lower end of the second fixing seat (7) is provided with a positioning groove (14).

4. A bailing device for use in oilfield downhole operations according to claim 3, wherein: the adjusting ring (9) is characterized in that a second rotating groove (15) is formed in the inner side of the adjusting ring (9), a mounting ring (16) is rotationally mounted in the second rotating groove (15), a plurality of supporting plates (17) are fixedly mounted above the mounting ring (16), the adjusting ring (9) is connected in the spiral groove (13) through spiral threads located above the second rotating groove (15) and below the second rotating groove, and the mounting ring (16) is rotationally mounted in the spiral groove (13) through the adjusting ring (9).

5. A bailing device for use in oilfield downhole operations as recited in claim 4, wherein: the gear shaping post is characterized in that a plunger (20) is fixedly arranged at the upper end of the gear shaping post (8), clamping grooves (21) are formed in two sides of the plunger (20), a positioning ring (22) is fixedly arranged at the upper end of the gear shaping post (8) located at the outer side of the plunger (20), the plunger (20) is installed in the first installation groove (10) in a penetrating mode, and the positioning ring (22) is installed in the positioning groove (14) in a penetrating mode.

6. A bailing device for use in oilfield downhole operations as recited in claim 5, wherein: an L-shaped clamping block (18) is arranged in the second mounting groove (11), a fixed shaft (19) is fixedly arranged in the L-shaped clamping block (18), two ends of the fixed shaft (19) are respectively and rotatably arranged in the corresponding first rotating groove (12), the L-shaped clamping block (18) is rotatably arranged in the second mounting groove (11) through the fixed shaft (19), and one end of the L-shaped clamping block (18) is inserted into the inner top of the clamping groove (21).