CN211081714U

CN211081714U - Drill bit top sleeve for oil drilling machinery

Info

Publication number: CN211081714U
Application number: CN201922045470.0U
Authority: CN
Inventors: 代秀娟; 董力侨; 庄明海
Original assignee: Jiangsu Boske Petroleum Machinery Co ltd
Current assignee: Jiangsu Boske Petroleum Machinery Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-07-24
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses a drill bit top sleeve for oil drilling machinery, which comprises an intermediary follow-up pipe, a telescopic upper pipe and a drill bit top pipe; the drill bit is connected with the drill bit through threads at the lower end of the drill bit top pipe, the upper end of the drill bit is fixedly connected with an anti-drop upper plate, the anti-drop upper plate is located in the drill bit top pipe, an anti-drop lower plate is movably mounted at the lower end of the drill bit top pipe, the lower end of the drill bit top pipe and the anti-drop lower plate are both connected with screws through threads, a circular array of the screws is arranged in the drill bit top pipe and the anti-drop lower plate, supporting rods are fixedly connected to the side faces of the drill bit top pipe, and the circular array of the supporting rods. This drill bit top cover for oil drilling machinery at first can fix the drill bit, can prevent when the drill bit drops because of the error that the drill bit from falling into the well, avoids salvaging, saves the cost, and labour saving and time saving to can wet the ground after the drill bit top cover with high water pressure, accelerate the probing time, and the earth suction with the probing.

Description

Drill bit top sleeve for oil drilling machinery

Technical Field

The utility model relates to an oil drilling equipment technical field specifically is a drill bit top cover for oil drilling machinery.

Background

The drill bit is one of important tools for petroleum drilling work, whether the drill bit is suitable for rock properties and the quality of the rock properties or not is one of important tools for petroleum drilling work, the drill bit plays an important role in the aspect of selecting and selecting a drilling process, particularly, the drilling quality, the drilling speed and the drilling cost are greatly influenced, in the drilling engineering construction, some construction faults are sometimes encountered, for example, the drill bit falls off due to unstable threaded connection between the drill bit and a drill bit top sleeve, a diver needs to be sent to launch for fishing, but the fishing risk is very high, if the drill bit is not fished, a hole is wastefully drilled, the construction cost is increased, the construction time is prolonged, for example, the drill bit heats when drilling, the rock in the stratum is hard, the construction quality is also influenced, the drill bit needs to be replaced or the drill bit needs to be filled with water and cooled, the drill bit top sleeve is an auxiliary appliance for working in cooperation with the, the drill bit is prevented from moving and falling off, the existing drill bit top sleeve only helps the drill bit to be fixed and cannot assist the drill bit to do other work, and the using function is single.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a drill bit top cover for oil drilling machinery, at first can fix the drill bit, can prevent when the drill bit drops because of the error that the drill bit from falling into the well, avoid salvaging, save the cost, labour saving and time saving to can moisten the ground with high water pressure behind drill bit top cover, accelerate the probing time, and with the earth suction of probing, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a drill bit top sleeve for oil drilling machinery comprises an intermediate follow-up rotating pipe, a telescopic upper pipe and a drill bit top pipe;

drilling a drill bit and jacking pipes: the drill bit jacking pipe is characterized in that a drill bit is in threaded connection with the lower end of the interior of the drill bit jacking pipe, an anti-drop upper plate is fixedly connected to the upper end of the drill bit, the anti-drop upper plate is located in the drill bit jacking pipe, an anti-drop lower plate is movably mounted at the lower end of the drill bit jacking pipe, the lower end of the drill bit jacking pipe and the anti-drop lower plate are both in threaded connection with screws, the screws are arranged in the drill bit jacking pipe and the anti-drop lower plate in a circular array, supporting rods are fixedly connected to the side face of the drill bit jacking pipe, the supporting rods are arranged in the;

an intermediary follow-up tube: the inner side surface of the intermediary follow-up pipe is fixedly connected to one end, far away from the drill bit top pipe, of the support rod, and a top block placing groove is formed in the upper side of the intermediary follow-up pipe;

telescopic upper pipe: the upper end of drill bit push pipe is rotated and is alternated in the upper end of flexible top tube, the inside lower extreme activity interlude of flexible top tube has flexible low tube, the lower extreme fixedly connected with intermediary's board of flexible low tube, the lower extreme at flexible low tube is arranged to intermediary's board circular array, the lower extreme fixedly connected with kicking block of intermediary's board, the kicking block is located the kicking block standing groove, draws forth the muddy water on ground layer through flexible top tube and flexible low tube to it reciprocates to follow the pipe drive kicking block through the intermediary, and then drives flexible low tube intraductally at flexible top.

Further, still including horizontal intubate, the left end of horizontal intubate passes the side of flexible upper tube, and the end of intaking through horizontal intubate connection outside soil pick-up pump discharges the muddy water on ground layer.

Furthermore, the device also comprises a roller, wherein the roller is rotatably connected in the lower end of the top block through a rotating shaft, and the friction force between the top block and the intermediary rotating pipe is reduced through the roller.

Furthermore, still including adhering to the sidetracking, the upper end fixed connection who adheres to the sidetracking is at the lower extreme of intermediary along with the rotating tube, prevents the flexible low tube of ground damage through adhering to the sidetracking.

Further, still including lower top ring and last top ring, top ring fixed connection is at the lower extreme of flexible top tube down, go up top ring fixed connection in the upper end of flexible low tube, go up the top ring and be located the top of top ring down, through the top ring of going up on the top ring down, avoid flexible low tube descending distance too big and break away from flexible top tube.

Compared with the prior art, the beneficial effects of the utility model are that: the drill bit top sleeve for the oil drilling machinery has the following advantages:

1. the drill is fixed through the drill top pipe, muddy water on the rock-soil layer is led out through the telescopic upper pipe and the telescopic lower pipe, the jacking block is driven to move up and down through the intermediary follow-up pipe, and then the telescopic lower pipe is driven to stretch out and draw back in the telescopic upper pipe.

2. Through the end of intaking of horizontal intubate connection outside soil pick-up pump, come to discharge the muddy water on ground layer, reduce the piece and the intermediary along with the frictional force of commentaries on classics pipe through the gyro wheel, prevent through adhering to the sidetracking that ground from damaging flexible low tube, through the top ring of going up on the top ring down, avoid flexible low tube descending distance too big and break away from flexible top tube.

3. This drill bit top cover for oil drilling machinery at first can fix the drill bit, can prevent when the drill bit drops because of the error that the drill bit from falling into the well, avoids salvaging, saves the cost, and labour saving and time saving to can wet the ground after the drill bit top cover with high water pressure, accelerate the probing time, and the earth suction with the probing.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a partially enlarged structure of a portion a of the present invention.

In the figure: the device comprises a horizontal insertion pipe 1, an intermediate plate 2, a top block 3, rollers 4, a support rod 5, an attaching sidetracking drill 6, a drill bit 7, a screw 8, an anti-dropping lower plate 9, an anti-dropping upper plate 10, an intermediate follow-up pipe 11, a telescopic lower pipe 12, a lower top ring 13, an upper top ring 14, a drill bit top pipe 15 and a telescopic upper pipe 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a drill bit top sleeve for oil drilling machinery comprises an intermediate follow-up rotating pipe 11, a telescopic upper pipe 16 and a drill bit top pipe 15;

drill head pipe 15: the lower end of the interior of the drill head top pipe 15 is in threaded connection with a drill head 7, the upper end of the drill head 7 is fixedly connected with an anti-drop upper plate 10, the anti-drop upper plate 10 is located in the drill head top pipe 15, the lower end of the drill head top pipe 15 is movably provided with an anti-drop lower plate 9, the lower end of the drill head top pipe 15 and the anti-drop lower plate 9 are both in threaded connection with screws 8, the screws 8 are circularly arrayed in the drill head top pipe 15 and the anti-drop lower plate 9, the side face of the drill head top pipe 15 is fixedly connected with a support rod 5, the support rod 5 is circularly arrayed in the side face of the;

the intermediary follow-up pipe 11: the inner side surface of the intermediary follow-up pipe 11 is fixedly connected to one end, far away from the drill bit top pipe 15, of the support rod 5, a top block placing groove is formed in the upper side of the intermediary follow-up pipe 11, the device further comprises an attached side drill 6, the upper end of the attached side drill 6 is fixedly connected to the lower end of the intermediary follow-up pipe 11, and the telescopic lower pipe 12 is prevented from being damaged by rock soil through the attached side drill 6;

the telescopic upper pipe 16: the upper end of a drill bit top pipe 15 is rotatably inserted at the upper end of a telescopic upper pipe 16, a telescopic lower pipe 12 is movably inserted at the lower end inside the telescopic upper pipe 16, an intermediate plate 2 is fixedly connected at the lower end of the telescopic lower pipe 12, the intermediate plate 2 is arranged at the lower end of the telescopic lower pipe 12 in a circular array, an ejector block 3 is fixedly connected at the lower end of the intermediate plate 2, the ejector block 3 is positioned in an ejector block placing groove, muddy water of a rock-soil layer is led out through the telescopic upper pipe 16 and the telescopic lower pipe 12, the ejector block 3 is driven to move up and down through an intermediate following rotating pipe 11, the telescopic lower pipe 12 is driven to extend and retract in the telescopic upper pipe 16, a transverse insertion pipe 1 is further included, the left end of the transverse insertion pipe 1 penetrates through the side surface of the telescopic upper pipe 16, the transverse insertion pipe 1 is connected with the water inlet end of an external dirt suction pump to discharge the muddy water of the rock-soil layer, a roller 4 is further included, the roller 4 is rotatably, still including lower top ring 13 and last top ring 14, lower top ring 13 fixed connection is at the lower extreme of flexible upper tube 16, goes up top ring 14 fixed connection in the upper end of flexible lower tube 12, goes up top ring 14 and is located the top of top ring 13 down, through top ring 14 on lower top ring 13, avoids flexible lower tube 12 descending distance too big and break away from flexible upper tube 16.

When in use: the drill bit 7 is put into the anti-drop lower plate 9, the drill bit 7 is screwed into the drill bit top pipe 15, the anti-drop lower plate 9 is tightly attached to the lower end of the drill bit top pipe 15, the screw 8 is installed, the drill bit 7 is continuously rotated, the horizontal insertion pipe 1 is fixed at the water inlet end of the external dirt suction pump, water enters from the upper end of the drill bit top pipe 15, the drill bit top pipe 15 rotates and descends, the water is sprayed out from the center of the drill bit 7 after passing through the drill bit top pipe 15, the drill bit 7 can be cooled, the rock soil is moistened, the muddy water sequentially passes through the attached side drill 6, the intermediary rotation following pipe 11, the telescopic lower pipe 12, the telescopic upper pipe 16 and the horizontal insertion pipe 1 and then is sucked out by the dirt suction pump, when the drill bit 7 is driven by the drill bit 15 to rotate, the support rod 5 drives the intermediary rotation following pipe 11 to rotate, the rock soil drives the attached side drill 6 to rotate along with the rotation following pipe 11, when drill bit push pipe 15 drives drill bit 7 and reciprocates, drill bit push pipe 15 drives bracing piece 5 and reciprocates, bracing piece 5 drives the intermediary and reciprocates along with rotating pipe 11, then the intermediary when along with rotating pipe 11 rebound, the intermediary drives gyro wheel 4 rebound along with rotating pipe 11, gyro wheel 4 drives kicking block 3 rebound, kicking block 3 drives intermediary's board 3 rebound, intermediary's board 3 drives flexible low tube 12 rebound, when the intermediary moves down along with rotating pipe 11, flexible low tube 12 because gravity rebound, when 7 threaded connection of drill bit is unstable and drop, anticreep hypoplastron 9 supports anticreep upper plate 10, avoid drill bit 7 to fall into the well.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A drill bit top sleeve for oil drilling machinery is characterized in that: comprises an intermediate follow-up pipe (11), a telescopic upper pipe (16) and a drill head jacking pipe (15);

drill top pipe (15): the drill bit jacking pipe structure is characterized in that a drill bit (7) is in threaded connection with the lower end inside the drill bit jacking pipe (15), an anti-drop upper plate (10) is fixedly connected to the upper end of the drill bit (7), the anti-drop upper plate (10) is located inside the drill bit jacking pipe (15), an anti-drop lower plate (9) is movably mounted at the lower end of the drill bit jacking pipe (15), the lower end of the drill bit jacking pipe (15) and the anti-drop lower plate (9) are both in threaded connection with screws (8), the screws (8) are arranged in the drill bit jacking pipe (15) and the anti-drop lower plate (9) in a circular array mode, supporting rods (5) are fixedly connected to the side face of the drill bit jacking pipe (15) in a circular array mode;

intermediary follow-up tube (11): the inner side surface of the intermediary follow-up rotating pipe (11) is fixedly connected to one end, away from the drill bit top pipe (15), of the support rod (5), and a top block placing groove is formed in the upper side of the intermediary follow-up rotating pipe (11);

telescopic upper tube (16): the upper end of drill bit push pipe (15) is rotated and is alternates in the upper end of flexible top tube (16), the inside lower extreme activity interlude of flexible top tube (16) has flexible low tube (12), lower extreme fixedly connected with intermediate plate (2) of flexible low tube (12), intermediate plate (2) circular array arranges the lower extreme at flexible low tube (12), the lower extreme fixedly connected with kicking block (3) of intermediate plate (2), kicking block (3) are located the kicking block standing groove.

2. The bit top sleeve for an oil drilling machine according to claim 1, wherein: the telescopic upper tube is characterized by further comprising a transverse insertion tube (1), wherein the left end of the transverse insertion tube (1) penetrates through the side face of the telescopic upper tube (16).

3. The bit top sleeve for an oil drilling machine according to claim 1, wherein: the device is characterized by further comprising a roller (4), wherein the roller (4) is rotatably connected into the lower end of the top block (3) through a rotating shaft.

4. The bit top sleeve for an oil drilling machine according to claim 1, wherein: the drilling tool also comprises an attached sidetracking drill (6), wherein the upper end of the attached sidetracking drill (6) is fixedly connected with the lower end of the intermediary follow-up rotating pipe (11).

5. The bit top sleeve for an oil drilling machine according to claim 1, wherein: still including lower top ring (13) and last top ring (14), top ring (13) fixed connection is at the lower extreme of flexible upper tube (16) down, go up top ring (14) fixed connection in the upper end of flexible lower tube (12), it is located the top of top ring (13) down to go up top ring (14).