CN219412546U

CN219412546U - Auxiliary device for drilling well operation

Info

Publication number: CN219412546U
Application number: CN202320441069.2U
Authority: CN
Inventors: 祝尚坤; 唐红斌; 刘龙军; 路勇
Original assignee: Henan Hongxin Petroleum Engineering Technology Service Co ltd
Current assignee: Henan Hongxin Petroleum Engineering Technology Service Co ltd
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2023-07-25
Anticipated expiration: 2033-03-10

Abstract

The utility model discloses a drilling underground operation auxiliary device, which relates to the field of petroleum drilling and production and is used for well flushing operation in drilling, and comprises a fixed seat, a first driving mechanism arranged on the fixed seat and a cleaning mechanism arranged at a power output end of the first driving mechanism, wherein the cleaning mechanism comprises a cylinder body, a cleaning brush assembly arranged at the upper part of the cylinder body and a scraping blade assembly arranged at the lower part of the cylinder body; the scraping blade assembly comprises a second driving mechanism, a crankshaft arranged at the power output end of the second driving mechanism, two cranks respectively connected to the crankshaft, two connecting rods connected with the two cranks, and a scraping plate connected to the two connecting rods, wherein the end part of the scraping plate protrudes out of the surface where the outer wall of the cylinder body is located. According to the scraper blade disclosed by the utility model, the scraper blade is connected to the crankshaft through the connecting rod and the crank, and the crankshaft is driven by the second driving mechanism so that the two connecting rods are synchronous, so that the scraper blade can coordinate and synchronously carry out scraping operation, the connecting rods are prevented from being blocked due to lateral force, and the auxiliary device is more stable.

Description

Auxiliary device for drilling well operation

Technical Field

The utility model relates to the technical field of petroleum drilling and production, in particular to an auxiliary device for drilling underground operation.

Background

The well drilling and oil drilling industry is a relatively general description, including drilling, well washing, single joint, tripping, drilling completion and the like. In the drilling engineering, the mud, sediment and wall mud skin of the well bore need to be replaced and cleaned, so that the well is required to be washed by an auxiliary device, namely, a well washing medium is injected into the well bore or a drill rod by pumping equipment, and substances in the well bore are carried to the ground, so that the process that the property of the medium in the well bore meets the operation requirement is changed, and the well washing method comprises the following steps: pumping clear water by an original drilling pump, namely, after the slurry is changed by the clear water, continuously circulating and flushing the well, namely, flushing the well by the clear water; stopping the circulation of clear water, continuously lifting up and down in the well pipe by using a piston to cause pressure agitation, damaging the mud skin of the well wall, dredging the pores of the aquifer, and flushing the well by using the piston; the piston well flushing needs to be alternately and repeatedly performed; before the pumping test, pumping underground water by using a centrifugal pump or a compressed air machine to achieve water cleaning and stable water outlet, and then performing the pumping test, namely pumping flushing and compressed air flushing; in addition, the well is washed by carbon dioxide and acid. At present, when a physical method is used for flushing a petroleum well, the single cleaning effect is not strong, multiple times of cleaning are needed, the multiple times of cleaning consume more time, and the cleaning efficiency is low.

Patent document 202120143086.9 discloses a petroleum well-flushing auxiliary device, which uses a hydraulic cylinder to work to drive a hydraulic rod to move downwards, a cleaning ring on the surface of a scraping plate scrapes impurities and garbage on the surface of a petroleum well when the hydraulic rod moves downwards, and then a cleaning plate cleans the inside of the petroleum well. Although the device solves the problems of weak cleaning effect and low efficiency to a certain extent, the device still has the defects that the device drives the crankshaft to move through the rotating wheels and the transmission block, but the rotating wheels are mutually independent and respectively adopt a second motor, so that the problem of asynchronous crank movement exists in the cleaning process, especially in long-time use, and the side force is generated to cause the crankshaft to be blocked at the through hole.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the drilling underground operation auxiliary device which can avoid the blocking caused by lateral force and is easy to maintain.

The technical scheme adopted for solving the technical problems is as follows: the drilling downhole operation auxiliary device is used for well flushing operation in drilling and comprises a fixed seat, a first driving mechanism arranged on the fixed seat and a cleaning mechanism arranged at the power output end of the first driving mechanism, wherein the cleaning mechanism comprises a cylinder, a cleaning brush component arranged at the upper part of the cylinder and a spatula component arranged at the lower part of the cylinder;

the scraping blade assembly comprises a second driving mechanism, a crankshaft arranged at the power output end of the second driving mechanism, two cranks respectively connected to the crankshaft, two connecting rods connected with the two cranks, and a scraping plate connected to the two connecting rods, wherein the end part of the scraping plate protrudes out of the surface where the outer wall of the cylinder body is located.

Further, two through holes are formed in the bottom surface of the cylinder body, the two connecting rods penetrate through the through holes respectively and are connected with the scraping plate, and sealing elements are arranged in the two through holes respectively.

Further, the scraping plate comprises an annular main body, wherein reinforcing ribs are arranged on the annular main body, and the lower ends of the two connecting rods are respectively connected with the reinforcing ribs.

Further, the cleaning brush assembly comprises a third driving mechanism, a transmission part connected to the power output end of the third driving mechanism and a plurality of cleaning brushes connected with the transmission part, and the cleaning brushes are uniformly distributed on the outer side of the cylinder body.

Further, each cleaning brush comprises a rotating shaft, a first gear arranged on the rotating shaft and bristles arranged on the outer side of the rotating shaft.

Further, the third driving mechanism comprises a driving piece and a driving gear arranged on a power shaft of the driving piece;

the transmission piece comprises a chain, and the chain is in transmission connection with the driving gear and the first gear.

Further, a circle of grooves are formed in the outer side of the upper portion of the cylinder body along the circumferential direction, and a plurality of cleaning brushes are arranged in the grooves.

Further, the number of the cleaning brushes is 4.

Further, the fixing seat comprises a top plate arranged at the upper end of the cylinder body, a supporting body arranged at the upper part of the top plate and a cable collar arranged at the upper end of the cylinder body; the first driving mechanism comprises a gear motor, a power output end of the gear motor is provided with a connecting plate, the end part of the connecting plate is connected to the cylinder body, and the power output shaft of the gear motor penetrates through the top plate and is supported on the supporting body.

The drilling borehole operation auxiliary device comprises a scraping blade assembly, wherein a scraping plate of the scraping blade assembly is connected to a crankshaft through a connecting rod and a crank, and the crankshaft is driven by a second driving mechanism to enable the two connecting rods to be synchronous, so that the scraping plate can coordinate and synchronously carry out scraping operation, lateral force generated by the connecting rods is prevented from being blocked, and the auxiliary device is more stable.

Drawings

The utility model will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic diagram of a downhole drilling operation assistance apparatus according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a downhole drilling operation assistance apparatus according to an embodiment of the present utility model;

FIG. 3 is a side view of a downhole operation aid according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;

FIG. 5 is a schematic view of a portion of a downhole drilling operation assistance apparatus according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a portion of a downhole drilling operation assistance apparatus according to an embodiment of the present utility model;

FIG. 7 is a side view of a portion of the structure of a downhole drilling operation assistance device according to an embodiment of the utility model.

Reference numerals illustrate:

1. a fixing seat; 11. a top plate; 12. a support body; 2. a first driving mechanism; 21. a speed reducing motor; 22. a connecting plate; 3. a cleaning brush assembly; 31. a third driving mechanism; 32. a chain; 33. a cleaning brush; 4. a spatula assembly; 41. a second driving mechanism; 42. a crankshaft; 43. a crank; 44. a connecting rod; 45. a scraper; 46. reinforcing ribs; 5. a cylinder; 51. a through hole; 52. a groove; 6. a cable collar.

Detailed Description

For a clearer understanding of technical features, objects and effects of the present utility model, a detailed description of embodiments of the present utility model will be made with reference to the accompanying drawings.

As shown in fig. 1-7, the auxiliary device for well drilling and downhole operation is used for well washing operation in well drilling, and comprises a fixed seat 1, a first driving mechanism 2 arranged on the fixed seat 1, and a cleaning mechanism arranged at the power output end of the first driving mechanism 2, wherein the cleaning mechanism comprises a cylinder 5, a cleaning brush assembly 3 arranged at the upper part of the cylinder 5, and a spatula assembly 4 arranged at the lower part of the cylinder 5;

the spatula assembly 4 comprises a second driving mechanism 41, a crankshaft 42 arranged at the power output end of the second driving mechanism 41, two cranks 43 respectively connected to the crankshaft 42, two connecting rods 44 connected with the two cranks 43, and a scraping plate 45 connected to the two connecting rods 44, wherein the end part of the scraping plate 45 protrudes out of the surface of the outer wall of the cylinder 5.

The fixed seat 1 comprises a top plate 11 arranged at the upper end of the cylinder 5, a supporting body 12 arranged at the upper part of the top plate 11 and a cable lantern ring 6 arranged at the upper end of the cylinder 5; the first driving mechanism 2 comprises a gear motor 21, a power output end of the gear motor 21 is provided with a connecting plate 22, an end part of the connecting plate is connected to the cylinder 5, and a power output shaft of the gear motor 21 penetrates through the top plate 11 and is supported on the support body 12. In this embodiment, the first driving mechanism 2 includes the gear motor 21, the power take off shaft of gear motor 21 connects roof 11 and supports through roof 11 and connect, the lower extreme of power take off shaft is connected with connecting plate 22, the end connection barrel 5 of connecting plate 22, when carrying out the operation, first driving mechanism 2 drive barrel 5 rotates, the second driving mechanism 41 sets up in barrel 5, through bent axle 42, crank 43, connecting rod 44 promotion scraper blade 45 reciprocating motion, under the cooperation of cleaning brush subassembly 3 and spatula subassembly 4, have more clean effect. In this embodiment, the supporting body 12 is a collar, the collar and the top plate 11 are integrally formed, and the upper end of the collar supports the gear motor 21.

The drilling downhole operation auxiliary device comprises a scraping blade assembly 4, a scraping blade 45 of the scraping blade assembly 4 is connected to a crankshaft 42 through a connecting rod 44 and a crank 43, the crankshaft 42 is driven by a second driving mechanism 41 to enable the two connecting rods 44 to be synchronous, so that when the scraping blade 45 performs scraping operation, the synchronous operation can be coordinated, the lateral force generated by the connecting rods 44 is prevented from being blocked, and the auxiliary device is more stable.

Two through holes 51 are formed in the bottom surface of the cylinder 5, two connecting rods 44 penetrate through the through holes 51 and are connected with the scraping plates 45, sealing elements are respectively arranged in the two through holes 51, and dirt and sand particles can be prevented from entering the cylinder 5 through the sealing elements.

The scraper 45 comprises an annular main body, wherein reinforcing ribs 46 are arranged on the annular main body, and the lower ends of the two connecting rods 44 are respectively connected with the reinforcing ribs 46. In this embodiment, the annular main body is connected with a reinforcing rib 46, the reinforcing rib 46 is provided with a connecting hole, the lower end of the connecting rod 44 is provided with a connection, the connecting piece is provided with a connecting hole, and bolts are inserted into the connecting holes of the two components to fixedly connect the scraping plate 45 to the bottom of the connecting rod 44.

The cleaning brush assembly 3 comprises a third driving mechanism 31, a transmission member connected to the power output end of the third driving mechanism 31 and a plurality of cleaning brushes 33 connected with the transmission member, wherein the cleaning brushes 33 are uniformly distributed on the outer side of the cylinder 5. Each cleaning brush 33 includes a rotating shaft, a first gear disposed on the rotating shaft, and bristles disposed outside the rotating shaft.

The third driving mechanism 31 includes a driving member, a driving gear provided on a driving member power shaft; the transmission member comprises a chain 32, and the chain 32 is in transmission connection with the driving gear and the first gear. A ring of grooves 52 is provided on the upper outer side of the cylinder 5 in the circumferential direction, and a plurality of cleaning brushes 33 are provided in the grooves 52. In the present embodiment, the number of the cleaning brushes 33 is 4.

Finally, it is further 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims

1. The drilling downhole operation auxiliary device is used for flushing operation in drilling and comprises a fixed seat (1), a first driving mechanism (2) arranged on the fixed seat (1) and a cleaning mechanism arranged at the power output end of the first driving mechanism (2), and is characterized in that the cleaning mechanism comprises a cylinder body (5), a cleaning brush assembly (3) arranged at the upper part of the cylinder body (5) and a scraping blade assembly (4) arranged at the lower part of the cylinder body (5);

the scraping shovel assembly (4) comprises a second driving mechanism (41), a crankshaft (42) arranged at the power output end of the second driving mechanism (41), two cranks (43) connected to the crankshaft (42) respectively, two connecting rods (44) connected with the two cranks (43) and a scraping plate (45) connected to the two connecting rods (44), and the end part of the scraping plate (45) protrudes out of the surface where the outer wall of the cylinder body (5) is located.

2. Drilling downhole operation auxiliary device according to claim 1, wherein the bottom surface of the cylinder (5) is provided with two through holes (51), the two connecting rods (44) respectively penetrate through the through holes (51) and are connected with the scraping plate (45), and sealing elements are respectively arranged in the two through holes (51).

3. Drilling downhole operation aid according to claim 2, wherein the scraper (45) comprises an annular body provided with reinforcing ribs (46), the lower ends of the two connecting rods (44) being connected with the reinforcing ribs (46) respectively.

4. A drilling downhole operation aid according to any of claims 1-3, wherein the cleaning brush assembly (3) comprises a third driving mechanism (31), a transmission member connected to the power output end of the third driving mechanism (31) and a plurality of cleaning brushes (33) connected to the transmission member, wherein the cleaning brushes (33) are uniformly distributed outside the cylinder (5).

5. The drilling downhole operation aid according to claim 4, wherein each cleaning brush (33) comprises a shaft, a first gear arranged on the shaft and bristles arranged outside the shaft.

6. Drilling downhole operation aid according to claim 5, wherein the third driving mechanism (31) comprises a driving member, a driving gear arranged on a power shaft of the driving member;

the transmission piece comprises a chain (32), and the chain (32) is in transmission connection with the driving gear and the first gear.

7. Drilling downhole operation aid according to claim 6, wherein the upper outer side of the barrel (5) is provided with a ring of grooves (52) in the circumferential direction, a plurality of the cleaning brushes (33) being arranged in the grooves (52).

8. Drilling downhole operation aid according to claim 4, wherein the number of cleaning brushes (33) is 4.

9. A drilling downhole operation aid according to any of claims 1-3, wherein the holder (1) comprises a top plate (11) arranged at the upper end of the barrel (5), a support body (12) arranged at the upper part of the top plate (11) and a cable collar (6) arranged at the upper end of the barrel (5); the first driving mechanism (2) comprises a gear motor (21), a power output end of the gear motor (21) is provided with a connecting plate (22), the end part of the connecting plate is connected to the cylinder body (5), and the power output shaft of the gear motor (21) penetrates through the top plate (11) and is supported on the supporting body (12).