CN218816252U

CN218816252U - Long-life composite drill bit for repairing damaged well of casing

Info

Publication number: CN218816252U
Application number: CN202223289614.5U
Authority: CN
Inventors: 蒋绍伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-04-07
Anticipated expiration: 2032-12-08

Abstract

The utility model discloses a casing damages well restoration and uses long-life compound drill bit, including the drill bit piece, drill bit connecting piece and drill bit body, still including: rotating the water outlet mechanism; the mechanism of going out water is rotated including the water storage chamber, a plurality of fixed risers of inside fixedly connected with in water storage chamber, one side fixedly connected with expansion joint of fixed riser, expansion joint's inside fixedly connected with expanding spring, and expanding spring keeps away from the one end fixedly connected with telescopic link of expansion joint. The utility model discloses, through the effect of rotating water outlet mechanism, when the drill bit body rotates, make the rivers of water storage intracavity portion to the drill bit body on, can wash by water the cooling to the drill bit body to make this drill bit can carry out long-time use, promoted the result of use and the availability factor of this drill bit, the rotational speed that does not need to change this drill bit simultaneously carries out temperature regulation, thereby makes this drill bit be adapted to the oil drilling of different intensity, has promoted constructor to the work efficiency of oil development.

Description

Long-life composite drill bit for repairing damaged well of casing

Technical Field

The utility model relates to a drill bit technical field especially relates to a sleeve pipe damages well restoration and uses long-life compound drill bit.

Background

The oil drill bit is an important tool for oil drilling, is used for drilling oil when oil is extracted, and the quality of the working performance of the oil drill bit directly influences the drilling quality, the drilling efficiency and the drilling cost.

Through the retrieval, prior art publication number is CN 215761515U's patent application file discloses a long service life's oil machinery drill bit, including oil drill bit, oil drill bit lower surface is equipped with speed adjusting mechanism, speed adjusting mechanism includes butt joint and bolt seat, fixed mounting has the electric lift slip table that quantity is two in the butt joint, two the equal swing joint in one side of electric lift slip table opposite face has the connecting rod, two fixedly connected with telescope tube between the connecting rod. This long service life's oil machinery drill bit, through setting up speed regulation mechanism, make its diamond department temperature that can monitor oil drill bit, constantly rise as its temperature, and when exceeding predetermined threshold value, can be through the rotational speed of automatically regulated oil drill bit, reduce the temperature, can be in order to reduce the damage of temperature to oil drill bit, improve oil drill bit's life, and need not manual operation, can reduce operating personnel's working strength, the unable automatically regulated rotational speed of present oil drill bit has been solved, the problem that life is low.

Compared with the above documents, in the above documents, although the temperature is reduced by automatically adjusting the rotation speed of the oil drill, that is, the damage of the temperature to the oil drill can be reduced, and the service life of the oil drill is prolonged, the temperature generated by the friction force between the drill and the drilling well is not cooled and reduced with the long-time use of the oil drill, and is not suitable for the long-time use of the drill, and meanwhile, the rotation speed is reduced, only the weak oil drilling well can be exploited, and the working efficiency of the constructor on the oil exploitation can be reduced according to the mode relative to the strong oil drilling well, so that the long-life composite drill for repairing the damaged well of the casing is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the rotational speed and reducing, can only exploit the oil drilling that intensity is more weak, relative and the oil drilling ground that intensity is stronger, according to these modes, can reduce constructor to the work efficiency's of oil exploitation shortcoming, and the sleeve pipe damage well that proposes restores and uses long-life composite drill bit.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a sleeve pipe damages well restoration and uses long-life composite drill bit, includes the drill bit piece, drill bit connecting piece and drill bit body, still including: rotating the water outlet mechanism;

the rotation mechanism of going out water is including the water storage chamber, a plurality of fixed risers of inside fixedly connected with in water storage chamber, one side fixedly connected with telescopic sleeve of fixed riser, telescopic sleeve's inside fixedly connected with expanding spring, expanding spring keeps away from telescopic sleeve's one end fixedly connected with telescopic link, and telescopic spring's one end fixedly connected with baffle is kept away from to the telescopic link, the below fixedly connected with outlet pipe of drill bit piece, and the outlet pipe sets up for the intercommunication with the inside in water storage chamber.

Preferably, the water storage cavity is arranged inside the drill bit block, and the outer wall of the drill bit connecting piece is provided with a thread groove.

Preferably, a sliding groove is formed in one side of the telescopic sleeve, the telescopic rod extends to the outside of the telescopic sleeve through the sliding groove, and the telescopic rod is connected with the telescopic sleeve in a sliding mode through the sliding groove.

Preferably, the outer wall of the drill bit block is provided with a plurality of sliding openings, and the baffle plate slides through the sliding openings and extends to the outside of the drill bit block.

Preferably, the one end that the telescopic link was kept away from to the baffle sets up for the slope blade, and the bottom of baffle and the inner wall bottom in water storage chamber set up for sliding fit.

Preferably, the bottom that the inside in water storage chamber is located the baffle has seted up the apopore, and baffle and apopore be for corresponding the setting, and the outlet pipe passes through the inside intercommunication in apopore and water storage chamber, and the outlet pipe is located the top of drill bit body, and the water injection hole has been seted up to outer wall one side of drill bit piece, and the water injection hole sets up for the intercommunication with the inside in water storage chamber.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a pair of casing damage well is restoreed and is used long-life composite drill bit, through the effect of rotating out water mechanism, when the drill bit body rotates, make the rivers of water storage intracavity portion to the drill bit body on, can wash by water the cooling to the drill bit body, thereby make this drill bit can carry out long-time use, the result of use and the availability factor of this drill bit have been promoted, the rotational speed that does not need to change this drill bit simultaneously carries out temperature regulation, thereby make this drill bit be adapted to the oil drilling of different intensity, constructor has promoted the work efficiency to oil development.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a long-life composite drill bit for repairing a damaged casing well according to the present invention;

fig. 2 is a schematic side bottom structure view of a long-life composite drill bit for repairing a damaged casing well according to the present invention;

fig. 3 is a schematic cross-sectional structural view of a long-life composite drill bit for repairing a damaged casing well according to the present invention;

fig. 4 is an enlarged view of fig. 3 at a.

In figure 1, a drill bit block; 2. a drill bit connector; 3. a drill bit body; 4. a water storage cavity; 401. fixing a vertical plate; 402. a telescopic sleeve; 403. a tension spring; 404. a telescopic rod; 405. a baffle plate; 406. and (5) discharging a water pipe.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in figure 1, the long-life composite drill bit for repairing the damaged well of the casing comprises a drill bit block 1, a drill bit connecting piece 2 and a drill bit body 3, and further comprises: rotating the water outlet mechanism;

as shown in fig. 1, fig. 2, fig. 3 shows, it is including water storage chamber 4 to rotate out water mechanism, a plurality of fixed risers 401 of inside fixedly connected with in water storage chamber 4, one side fixedly connected with telescopic sleeve 402 of fixed riser 401, the inside fixedly connected with expanding spring 403 of telescopic sleeve 402, the one end fixedly connected with telescopic link 404 of telescopic sleeve 402 is kept away from to expanding spring 403, telescopic link 404 keeps away from the one end fixedly connected with baffle 405 of expanding spring 403, a plurality of slip mouths have been seted up to the outer wall of drill block 1, baffle 405 slides through the slip mouth and extends to the outside of drill block 1, the below fixedly connected with outlet pipe 406 of drill block 1, and outlet pipe 406 sets up for the intercommunication with the inside in water storage chamber 4.

Further, the water storage cavity 4 is formed inside the drill block 1, a thread groove is formed in the outer wall of the drill connecting piece 2, a sliding groove is formed in one side of the telescopic sleeve 402, the telescopic rod 404 extends to the outside of the telescopic sleeve 402 through the sliding groove, the telescopic rod 404 is in sliding connection with the telescopic sleeve 402 through the sliding groove, one end, away from the telescopic rod 404, of the baffle 405 is arranged in a tilting blade mode, the working efficiency of drilling of the drill is improved by means of the tilting blade, the bottom of the baffle 405 and the bottom of the inner wall of the water storage cavity 4 are in sliding fit, a water outlet hole is formed in the position, located at the bottom of the baffle 405, of the inside of the water storage cavity 4, of the baffle 405 and the water outlet hole are in corresponding arrangement, the water outlet pipe 406 is communicated with the inside of the water storage cavity 4 through the water outlet hole, the water outlet pipe 406 is located above the drill body 3, a water injection hole is formed in one side of the outer wall of the drill block 1, and the water injection hole is communicated with the inside of the water storage cavity 4;

through above-mentioned technical scheme's setting, when drill bit body 3 rotates, make the rivers of 4 insides in water storage chamber to drill bit body 3 on, can wash by water the cooling to drill bit body 3 to make this drill bit can carry out long-time use, promoted the result of use and the availability factor of this drill bit, the rotational speed that does not need to change this drill bit simultaneously carries out temperature regulation, thereby make this drill bit be adapted to the oil drilling of different intensity, promoted constructor to the work efficiency of oil development.

As shown in fig. 1 to 3, the functional principle of the present invention can be illustrated by the following operation modes: use this drill bit to exploit oil at the constructor, when drilling, this drill bit rotates, under the initial condition, the bottom and the apopore of baffle 405 set up for the laminating, therefore the water in water storage chamber 4 can't flow out, when this drill bit rotates, according to the effect of rotating centrifugal force, make baffle 405 rotate and throw away, when baffle 405 centrifugation extends the outside of drill bit piece 1, the bottom and the apopore of baffle 405 break away from, thereby make the water in water storage chamber 4 flow the inside of business turn over water pipe 406 through the apopore, flow the top of drill bit body 3 through outlet pipe 406, utilize the effect of rivers, carry out flowing water cooling to drill bit body 3, through these settings, when drill bit body 3 rotates, make the inside rivers of water storage chamber 4 to drill bit body 3, can wash by water the temperature to drill bit body 3, thereby make this drill bit can carry out long-time use, the result of use and the availability factor of this drill bit have been promoted, the rotational speed that does not need to change this drill bit adjusts the temperature simultaneously, thereby make this drill bit adapt to the oil drilling of different intensity, the efficiency of oil exploitation has been promoted.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a casing damages well restoration and uses compound drill bit of long-life, includes drill bit piece (1), drill bit connecting piece (2) and drill bit body (3), its characterized in that still including: rotating the water outlet mechanism;

rotate out water mechanism including water storage chamber (4), a plurality of fixed risers of inside fixedly connected with (401) of water storage chamber (4), one side fixedly connected with expansion sleeve (402) of fixed riser (401), inside fixedly connected with expanding spring (403) of expansion sleeve (402), one end fixedly connected with telescopic link (404) of expansion sleeve (402) are kept away from in expanding spring (403), one end fixedly connected with baffle (405) of expansion spring (403) are kept away from in telescopic link (404), below fixedly connected with outlet pipe (406) of drill bit piece (1), just outlet pipe (406) set up for the intercommunication with the inside of water storage chamber (4).

2. The long-life composite drill bit for repairing a damaged casing well is characterized in that the water storage cavity (4) is formed in the drill bit block (1), and the outer wall of the drill bit connecting piece (2) is provided with a thread groove.

3. The long-life composite drill bit for repairing a damaged casing well according to claim 1, wherein a sliding groove is formed in one side of the telescopic sleeve (402), the telescopic rod (404) extends to the outside of the telescopic sleeve (402) through the sliding groove, and the telescopic rod (404) is slidably connected with the telescopic sleeve (402) through the sliding groove.

4. The long-life composite drill bit for repairing a damaged casing well is characterized in that a plurality of sliding openings are formed in the outer wall of the drill bit block (1), and the baffle (405) extends to the outside of the drill bit block (1) in a sliding mode through the sliding openings.

5. The long-life composite drill bit for repairing the damaged casing well is characterized in that one end, away from the telescopic rod (404), of the baffle (405) is provided with an inclined blade, and the bottom of the baffle (405) is in sliding fit with the bottom of the inner wall of the water storage cavity (4).

6. The long-life composite drill bit for repairing the damaged well with the casing as claimed in claim 1, wherein the inside of the water storage cavity (4) is located at the bottom of the baffle (405) and is provided with a water outlet hole, the baffle (405) and the water outlet hole are correspondingly arranged, the water outlet pipe (406) is communicated with the inside of the water storage cavity (4) through the water outlet hole, the water outlet pipe (406) is located above the drill body (3), a water injection hole is formed in one side of the outer wall of the drill block (1), and the water injection hole is communicated with the inside of the water storage cavity (4).