Integrated drilling mud nozzle and drill bit

Abstract

The utility model discloses an integrated drilling mud nozzle and a drill bit, relates to the technical field of oil drilling, and comprises a rotating rod and a drill bit body, the rotating rod is provided with a connecting piece, the connecting piece is provided with a notch and a connecting groove, the two sides of the connecting piece are fixedly provided with electric push rods, and the electric push rods are fixedly connected with the drill bit body. The output end of the electric push rod is connected with a moving plate, a clamping block is fixedly arranged on the moving plate, a through hole allowing the clamping block to penetrate is formed in the connecting piece, a slurry channel is formed in the rotating rod, an arc-shaped piece is fixedly arranged at one end of the drill bit body, and a clamping groove allowing the clamping block to be clamped is formed in the arc-shaped piece. An inner cavity communicated with the slurry channel is formed in the drill bit body, and a nozzle is in threaded connection with the drill bit body; according to the utility model, the time for replacing the drill bit can be obviously shortened, so that the non-drilling time in drilling operation is reduced, the overall drilling efficiency is improved, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of oil drilling, in particular to integrated drilling mud nozzle and drill bit. BACKGROUND

[0002] In the process of oil exploration, mud is needed to ensure the stable operation of the drill bit, prevent well wall collapse and other problems. Among them, the integrated drilling mud nozzle and drill bit are regarded as the core elements of drilling technology. Their innovative design and optimization are crucial to improving drilling efficiency, reducing expenses and ensuring safety. The integrated drilling mud nozzle and drill bit can fully exert their respective performance advantages and improve drilling efficiency together.

[0003] During drilling, the drill bit needs to be connected with the rotating rod. In the related art, the drill bit and the rotating rod are connected through threads. The thread connection needs to be accurately aligned and a sufficient torque needs to be applied to ensure the tightness of the connection. This increases the complexity and efficiency of installation and disassembly. Therefore, the skilled person in the art provides an integrated drilling mud nozzle and drill bit to solve the problems raised in the above background technology. SUMMARY

[0004] The purpose of the utility model is to provide an integrated drilling mud nozzle and drill bit to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] An integrated drilling mud nozzle and drill bit, comprising:

[0007] A rotating rod is provided with a connecting piece. A slot is formed in the connecting piece. A connecting groove is formed in the connecting piece. An electric push rod is fixedly installed on both sides of the connecting piece. A moving plate is connected to the output end of the electric push rod. A clamping block is fixedly provided on the moving plate. A through hole is formed in the connecting piece for the clamping block to pass through. A mud channel is provided in the rotating rod.

[0008] A drill bit body is provided with an arc-shaped piece at one end. A clamping groove is formed in the arc-shaped piece for the clamping block to clamp. An inner cavity is formed in the drill bit body and communicates with the mud channel. A threaded groove is formed in the drill bit body. A nozzle is threadedly connected in the threaded groove.

[0009] Preferably, a sealing ring is provided on the drill bit body. A sealing groove is formed in the rotating rod for connecting the sealing ring.

[0010] Preferably, a first sealing gasket is provided in the sealing groove and is in contact with the sealing ring.

[0011] Preferably, the connecting groove is provided with a limiting plate on one side, and the limiting plate is in contact with the arc-shaped piece.

[0012] Preferably, the drill bit body is provided with a blade, and the blade is provided with a plurality of PDC teeth.

[0013] Preferably, the nozzle is provided with a threaded flow channel in communication with the inner cavity, and the nozzle is provided with a conical cover at one end.

[0014] Preferably, the threaded groove is provided with a second sealing washer, and the second sealing washer is in contact with one end of the nozzle.

[0015] Compared with the prior art, the drill bit body of the utility model has the advantages that:

[0016] 1、The utility model discloses a connecting piece is arranged, the arc-shaped piece is connected with the connecting piece, the drill bit body is connected with the rotating rod, the arc-shaped piece is fixed through the electric push rod, the arc-shaped piece and the connecting piece are avoided to deviate, and the time of replacing the drill bit body can be shortened obviously, thereby reducing the non-drilling time in the well drilling operation, improving the overall well drilling efficiency, and the simple and convenient installation process reduces the labor intensity of the staff and improves the work efficiency.

[0017] 2、The utility model discloses a threaded groove is arranged, the nozzle is installed, and the mud is sprayed through the nozzle, and the mud forms a layer of cement on the well wall, has the effect of protecting the wall, can prevent the well wall from collapsing, and ensures the safe operation of the well drilling operation. ACCURATE DRAWINGS

[0018] Figure 1 It is a structure schematic view of an integrated drilling mud nozzle and drill bit in the embodiment of the application.

[0019] Figure 2 It is an explosion structure schematic view of an integrated drilling mud nozzle and drill bit in the embodiment of the application.

[0020] Figure 3 It is Figure 2 It is an enlarged view of A in the middle.

[0021] Figure 4 It is a sectional structure schematic view of an integrated drilling mud nozzle and drill bit in the embodiment of the application.

[0022] Figure 5 It is Figure 4 It is an enlarged view of B in the middle.

[0023] In the figure: 1, rotating rod; 2, connecting piece; 3, notch; 4, connecting groove; 5, electric push rod; 6, moving plate; 7, clamping block; 8, through hole; 9, mud channel; 10, drill bit body; 11, arc-shaped piece; 12, clamping groove; 13, inner cavity; 14, threaded groove; 15, nozzle; 16, sealing ring; 17, sealing groove; 18, first sealing washer; 19, limiting plate; 20, blade; 21, PDC tooth; 22, threaded flow channel; 23, conical cover; 24, second sealing washer. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figures 1-5 The utility model provides a technical scheme:

[0026] An integrated drilling mud nozzle and drill bit, comprising:

[0027] Rotating rod 1, rotating rod 1 is equipped with connecting piece 2, connecting piece 2 is equipped with notch 3, connecting piece 2 is equipped with connecting groove 4, electric push rod 5 is fixedly installed on the both sides of connecting piece 2, the output end of electric push rod 5 is connected with moving plate 6, moving plate 6 is fixedly equipped with clamping block 7, connecting piece 2 is equipped with through hole 8 for clamping block 7 to penetrate, and rotating rod 1 is equipped with mud channel 9;

[0028] Drill bit body 10, drill bit body 10 is equipped with blade 20, a plurality of PDC teeth 21 are equipped on blade 20, arc-shaped piece 11 is fixedly arranged at one end of drill bit body 10, clamping groove 12 for clamping block 7 to clamp is arranged on arc-shaped piece 11, inner cavity 13 in communication with mud channel 9 is arranged in drill bit body 10, threaded groove 14 is arranged on drill bit body 10, nozzle 15 is threadedly connected in threaded groove 14, threaded flow channel 22 in communication with inner cavity 13 is arranged in nozzle 15, conical cover 23 is arranged at one end of nozzle 15, the setting of threaded flow channel 22 helps to disperse the impact force of mud, reduces the direct impact and abrasion of drill bit body 10, prolongs the service life of drill bit body 10, reduces the drilling cost, wherein conical cover 23 can reduce the turbulence and vortex phenomenon of mud in nozzle 15, makes the flow of mud more stable, and helps to improve the jet speed and pressure of mud, thereby enhancing the effect of flushing the well bottom.

[0029] In the above embodiment, when connecting the drill bit body 10 and the rotary rod 1, the worker inserts the arc-shaped part 11 on the drill bit body 10 into the notch 3 on the connecting piece 2, then rotates the drill bit body 10, the arc-shaped part 11 is clamped in the connecting groove 4 on the connecting piece 2, then the electric push rod 5 drives the moving plate 6 to move, the moving plate 6 drives the clamping block 7 to move, the clamping block 7 is inserted into the clamping groove 12 through the through hole 8, the arc-shaped part 11 can be fixedly connected in the connecting piece 2, the drill bit body 10 and the rotary rod 1 can be connected and fixed, the time for replacing the drill bit body 10 can be significantly shortened, thereby reducing the non-drilling time in the drilling operation, improving the overall drilling efficiency, the simple and fast installation process reduces the labor intensity of the worker and improves the work efficiency.

[0030] Through the arrangement of the blade wing 20 and the PDC tooth 21, the cooperation of the blade wing 20 and the PDC tooth 21 can make the drill bit body 10 keep stable and efficient drilling in the drilling process; the blade wing 20 provides stable support and guidance for the PDC tooth 21, and the PDC tooth 21 effectively breaks the rock by using its high hardness and wear resistance; this combination not only improves the drilling efficiency, but also prolongs the service life of the drill bit body 10 and reduces the drilling cost.

[0031] Among them, the PDC tooth 21 is mainly used for cutting and breaking rock, improving drilling efficiency, and the alias is diamond composite disc drill bit.

[0032] Through the arrangement of the mud channel 9 and the inner cavity 13, the mud can be conveniently conveyed to the nozzle 15 through the mud channel 9 and the inner cavity 13, and then sprayed out through the nozzle 15, the mud forms a layer of cement on the well wall, has a wall protection effect, can prevent the well wall from collapsing, and ensures the safe operation of the drilling operation, wherein the nozzle 15 is screw-mounted, which facilitates the installation and disassembly of the nozzle 15.

[0033] On the basis of the above embodiment, the connecting groove 4 is provided with a limiting plate 19 on one side, the limiting plate 19 is in contact with the arc-shaped part 11, through the arrangement of the limiting plate 19, the arc-shaped part 11 can be limited when connected in the connecting groove 4, the clamping groove 12 on the arc-shaped part 11 and the through hole 8 on the connecting piece 2 can be quickly aligned, the clamping block 7 can be quickly inserted into the clamping groove 12 through the through hole 8, the connection efficiency between the arc-shaped part 11 and the connecting piece 2 is improved, and the work efficiency is further improved.

[0034] Further, the second sealing washer 24 is arranged in the threaded groove 14, and the second sealing washer 24 is in contact with one end of the nozzle 15, through the arrangement of the second sealing washer 24, the connection sealing performance of the nozzle 15 and the drill bit body 10 can be improved;

[0035] The drill bit body 10 is provided with a sealing ring 16, the rotating rod 1 is provided with a sealing groove 17 for connecting the sealing ring 16, and the sealing groove 17 is provided with a first sealing washer 18.

[0036] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An integrated drilling mud nozzle and drill bit, characterized by, Include: The rotating rod (1), the connecting piece (2) is equipped on the rotating rod (1), the notch (3) is opened in the connecting piece (2), the connecting groove (4) is opened in the connecting piece (2), the electric push rod (5) is fixedly installed on both sides of the connecting piece (2), the moving plate (6) is connected to the output end of the electric push rod (5), the clamping block (7) is fixedly provided on the moving plate (6), the through hole (8) is opened in the connecting piece (2) for the clamping block (7) to penetrate, the mud channel (9) is equipped in the rotating rod (1); The drill bit body (10), the arc-shaped part (11) is fixedly provided at one end of the drill bit body (10), the arc-shaped part (11) is opened in the clamping groove (12) for the clamping block (7) to be clamped, the inner cavity (13) is opened in the drill bit body (10) and is communicated with the mud channel (9), the threaded groove (14) is opened in the drill bit body (10), and the nozzle (15) is screw connected in the threaded groove (14).

2. An integrated drilling mud nozzle and drill bit according to claim 1, wherein: The drill bit body (10) is provided with a sealing ring (16), and the rotating rod (1) is provided with a sealing groove (17) for connecting the sealing ring (16).

3. An integrated drilling mud nozzle and drill bit according to claim 2, wherein: The first sealing washer (18) is arranged in the sealing groove (17), and the first sealing washer (18) is in contact with the sealing ring (16).

4. The integrated drilling mud nozzle and drill bit of claim 1, wherein: The connecting groove (4) is provided with a limiting plate (19), and the limiting plate (19) is in contact with the arc-shaped part (11).

5. The integrated drilling mud nozzle and drill bit of claim 1, wherein: The drill bit body (10) is provided with a cutter wing (20), and the cutter wing (20) is provided with a plurality of PDC teeth (21).

6. The integrated drilling mud nozzle and drill bit of claim 1, wherein: The nozzle (15) is provided with a threaded flow channel (22) communicated with the inner cavity (13), and the nozzle (15) is provided with a conical cover (23) at one end.

7. An integrated drilling mud nozzle and drill bit according to claim 6, wherein: The second sealing washer (24) is arranged in the threaded groove (14), and the second sealing washer (24) is in contact with one end of the nozzle (15).

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