CN213205585U

CN213205585U - Oil drilling disk type floating combined pipe flushing device

Info

Publication number: CN213205585U
Application number: CN202022035418.XU
Authority: CN
Inventors: 罗玉斌
Original assignee: Chongqing Yinhe Petrochemical Machinery Manufacturing Co ltd
Current assignee: Chongqing Yinhe Petrochemical Machinery Manufacturing Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-05-14
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses an oil drilling disc type floating combined flushing pipe device, which comprises a flushing pipe, an upper packing and a lower packing, wherein the outer wall of the upper packing, which is close to the flushing pipe, is provided with a first rotary sealing ring, the outer wall of the lower packing, which is close to the flushing pipe, is provided with a retaining ring, the lower surface wall of the retaining ring is provided with a second rotary sealing ring, and two sides of the inner wall of the lower packing are abutted against and provided with a pressure spring; this oil drilling disk type combination washing pipe device that floats is through setting up first fixing device, second fixing device, this setting can provide this device installation, the convenience of dismantlement, and easy operation can improve the leakproofness of connection, and promote the progress of drilling operation, through setting up the washing pipe, first rotary seal circle, the retaining ring, the second rotary seal circle, the pressure spring, can further improve the leakproofness of washing pipe, and play sealed anti-punching press performance, prevent to take place the pressure leakage condition at the in-process of boring the deep well, with this guarantee washing pipe structure's life, and improve the security of operation.

Description

Oil drilling disk type floating combined pipe flushing device

Technical Field

The utility model relates to an oil drilling technical field specifically is an oil drilling disk type combination washing pipe device that floats.

Background

With the rapid development of the petrochemical industry in China, the requirements of oil exploitation work are higher and higher. High-pressure slurry output by a drilling pump is transferred to the upper part of a top drive device through the middle hollow holes in the gooseneck, a washpipe assembly, a main shaft, a drill rod and other parts in the petroleum drilling working process, and is transferred to the bottom of a well through the washpipe assembly. The washpipe assembly is a critical component that must be able to withstand the high pressure of the high pressure mud to prevent leakage when entering the central bore of the main shaft.

The prior art has the following defects or problems:

1. the existing oil drilling disc type floating combined flushing pipe is a connecting piece of the whole main shaft and a gooseneck pipe, is also a main easily-damaged piece in a top drive, needs to be frequently disassembled and replaced, needs a special tool for disassembling and assembling the existing flushing pipe, is relatively troublesome to operate, and easily influences the drilling progress.

2. At present, the requirement that a top drive device drills a deeper oil well cannot be met by a disc type floating combined flushing pipe for petroleum drilling, and the bearing capacity and the sealing performance of a flushing pipe packing are not stable enough, so that the running period of a drilling device is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's weak point, provide an oil drilling disk type combination washing pipe device that floats, solve the problem of mentioning in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a disc type floating combined flushing pipe device for petroleum drilling comprises a flushing pipe, an upper packing and a lower packing, wherein a first rotary sealing ring is arranged on the upper packing close to the outer wall of the flushing pipe, a retaining ring is arranged on the lower packing close to the outer wall of the flushing pipe, a second rotary sealing ring is arranged on the lower surface wall of the retaining ring, a pressure spring is arranged on two sides of the inner wall of the lower packing in a propping manner, a first fixing device and a second fixing device are arranged on two sides of the upper packing and the lower packing, a left pressing block and a right pressing block are arranged on the first fixing device and the second fixing device respectively, a hinged joint seat is hinged on the back of the left pressing block and the right pressing block, a first connecting block is arranged on the front surface wall of the left pressing block, a bolt pin is arranged at the middle end of the first connecting block, a second bolt is arranged at one end, penetrating through the bolt pin, of the upper, the front surface wall of the right pressing block is provided with a second connecting block, a connecting hole is formed in the second connecting block, the upper end of the first fixing device is provided with a gooseneck, and the lower end of the second fixing device is provided with a main shaft.

As the preferred technical scheme of the utility model, the shape of wash pipe is cylinder fretwork form, and the wash pipe is made for ceramic material.

As the utility model discloses a preferred technical scheme, go up packing, lower packing both sides table wall and all seted up the bolt, go up packing, lower packing and pass through bolt and washing pipe fixed connection.

As the utility model discloses a preferred technical scheme, the shape of going up the packing comprises circular and annular, first rotatory sealing washer encircles with washing pipe upper end table wall and supports and lean on.

As the utility model discloses an optimal technical scheme, the shape of packing comprises circular and annular down, the retaining ring is the same with the quantity of second rotary seal circle, and is the stack and distributes, the quantity of pressure spring is two sets of, and the shape is the annular, the inner wall both sides of packing under the pressure spring equidistance distributes, and supports and lean on a side table wall at the retaining ring.

As the utility model discloses an optimal technical scheme, first fixing device is the same with second fixing device's structure, left side briquetting, right briquetting are articulated with articulated seat, the preceding table wall fixed connection of first connecting block and left briquetting, the one end of bolt pin is passed through the second bolt and is articulated with first connecting block, the external screw thread has been seted up to bolt pin anchor ring face, fastening nut's internal diameter size and the external diameter size looks adaptation of bolt pin, fastening nut rotates with the bolt pin to be connected, the preceding table wall fixed connection of second connecting block and right briquetting, connecting hole and bolt pin joint.

As the utility model discloses a preferred technical scheme, the boss has all been seted up, two sets of to the one end of going up packing, gooseneck, lower packing, main shaft the width of boss and the width looks adaptation of ring channel, boss and ring channel joint, the sealing washer has been seted up to the interior table wall of ring channel.

Compared with the prior art, the utility model provides an oil drilling disk type combination washing pipe device that floats possesses following beneficial effect:

1. this oil drilling disk type floating combination washing pipe device, through setting up first fixing device, second fixing device, when using this device, at first pass through the bolt fastening with first rotatory sealing washer and lower packing on the washing pipe, first fixing device is in the open mode this moment with second fixing device after that, can be with first rotatory sealing washer, the boss and the gooseneck of lower packing one end, the boss of main shaft one end dock mutually, treat ring channel and boss card and time, rotatable bolt pin cup joints in the connecting hole, fastening nut fastens the mounted position on last through rotating bolt pin, set up the sealing washer of educating simultaneously in the ring channel, can improve the leakproofness of connecting. The device is simple to operate, can provide convenience for installation and disassembly of the device, and improves the progress of drilling operation.

2. This oil drilling disk type floating combination washing pipe device, through setting up the washing pipe, first rotary seal circle, the retaining ring, second rotary seal circle, the pressure spring, the washing pipe of this device has adopted ceramic material, can effectually resist the punching force of mud, with this intensity of having improved the structure use, can be fit for the drilling work of different deep wells, simultaneously at first rotary seal circle, the retaining ring, second rotary seal circle, under the effect of pressure spring, can further improve the leakproofness of washing pipe, and play sealed anti-punching performance, prevent to take place the pressure leakage condition at the in-process of boring the deep well, with this life who ensures the washing pipe structure, and the security that improves the operation.

Drawings

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

fig. 2 is a plan sectional view of the first fixing device of the present invention;

FIG. 3 is an enlarged view of part A of the present invention;

fig. 4 is a perspective view of the first fixing device of the present invention.

In the figure: 1. washing the pipe; 2. mounting a packing; 3. a lower packing; 4. a first rotary seal ring; 5. a retainer ring; 6. a second rotary seal ring; 7. a pressure spring; 8. a first fixing device; 9. a second fixing device; 10. pressing the left block; 11. a right pressing block; 12. an annular groove; 13. a hinged seat; 14. a first connection block; 15. a bolt pin; 16. a second bolt; 17. fastening a nut; 18. a second connecting block; 19. connecting holes; 20. a gooseneck; 21. a main shaft.

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. 1-4, in this embodiment: a disc type floating combined pipe flushing device for petroleum drilling comprises a flushing pipe 1, an upper disc root 2 and a lower disc root 3, wherein a first rotary sealing ring 4 is arranged on the outer wall, close to the flushing pipe 1, of the upper disc root 2, a retaining ring 5 is arranged on the outer wall, close to the flushing pipe 1, of the lower disc root 3, a second rotary sealing ring 6 is arranged on the lower surface wall of the retaining ring 5, two sides of the inner wall of the lower disc root 3 are abutted against and provided with a pressure spring 7, a first fixing device 8 and a second fixing device 9 are arranged on two sides of the upper disc root 2 and the lower disc root 3, both the first fixing device 8 and the second fixing device 9 are provided with a left pressing block 10 and a right pressing block 11, the back parts of the left pressing block 10 and the right pressing block 11 are hinged with a hinge base 13, the front surface wall of the left pressing block 10 is provided with a first connecting block 14, the middle end of the first connecting block 14 is provided with a bolt pin 15, one end of the upper, the front surface wall of the right pressing block 11 is provided with a second connecting block 18, a connecting hole 19 is arranged inside the second connecting block 18, the upper end of the first fixing device 8 is provided with a gooseneck 20, and the lower end of the second fixing device 9 is provided with a main shaft 21.

In the embodiment, the washing pipe 1 is cylindrical and hollowed, and the washing pipe 1 is made of ceramic materials, so that the structural strength of the washing pipe 1 can be improved, and the punching force of slurry can be effectively resisted; bolts are arranged on the surface walls of the two sides of the upper packing 2 and the lower packing 3, the upper packing 2 and the lower packing 3 are fixedly connected with the washpipe 1 through the bolts, and the device can be used for installing the upper packing 2 and the lower packing 3; the upper packing 2 is circular and annular, and the first rotary sealing ring 4 is in surrounding and abutting contact with the surface wall of the upper end of the washpipe 1, so that the water flow impact resistance and the sealing performance of the front end of the washpipe 1 can be improved; the shape of the lower packing 3 is composed of a circle and a ring, the number of the retainer rings 5 is the same as that of the second rotary sealing rings 6, the retainer rings and the second rotary sealing rings are distributed in a superposition manner, the number of the pressure springs 7 is two, the pressure springs are annular, the pressure springs 7 are equidistantly distributed on two sides of the inner wall of the lower packing 3 and abut against one side surface wall of the retainer ring 5, the impact force of the slurry of the washpipe 1 is further improved, and the service life and the reliability of the washpipe 1 can be effectively prolonged; the first fixing device 8 and the second fixing device 9 have the same structure, the left pressing block 10 and the right pressing block 11 are hinged with the hinge base 13, can be used for the folding movement of the left pressing block 10 and the right pressing block 11, the first connecting block 14 is fixedly connected with the front surface wall of the left pressing block 10, the position of the first connecting block 14 can be stabilized, one end of the bolt pin 15 is hinged with the first connecting block 14 through the second bolt 16, the bolt pin 15 can be rotated, the ring surface of the bolt pin 15 is provided with external threads, the inner diameter of the fastening nut 17 is matched with the outer diameter of the bolt pin 15, the fastening nut 17 is rotatably connected with the bolt pin 15, the fastening nut 17 can adjust the transverse distance of the bolt pin 15, the second connecting block 18 is fixedly connected with the front surface wall of the right pressing block 11, the position of the second connecting block 18 can be stabilized, the connecting hole 19 is clamped with the bolt pin 15, the placing position of the bolt pin 15 can be provided, and the fastening nut 17 can be conveniently fastened for fixing the position; bosses are arranged at one ends of the upper packing 2, the gooseneck 20, the lower packing 3 and the main shaft 21, the widths of the two groups of bosses are matched with the width of the annular groove 12, and the bosses are clamped with the annular groove 12, so that the gooseneck 20, the main shaft 21 and the washpipe 1 can be communicated and fixed, and convenience in disassembly and assembly is provided; the inner surface wall of the annular groove 12 is provided with a sealing ring which can provide the sealing performance of connection.

The utility model discloses a theory of operation and use flow: the user is at first, when using this device, can pass through the bolt fastening with first rotary seal 4 and packing 3 down on wash pipe 1, first fixing device 8 is in the open mode this moment with second fixing device 9 after that, can be with last packing 2, the boss and the gooseneck 20 of 3 one ends of lower packing, the boss of main shaft 21 one end is docked mutually, treat ring channel 12 and boss card with the time, rotatable bolt pin 15 cup joints in connecting hole 19, fasten the mounted position through the fastening nut 17 on the rotation bolt pin 15 at last, set up the sealing washer of educating in ring channel 12 simultaneously, can improve the leakproofness of connecting. The device is simple to operate, can be conveniently installed and disassembled, and improves the progress of drilling operation; meanwhile, the washpipe 1 of the device adopts ceramic materials, can effectively resist the punching force of slurry, thereby improving the structural use strength, being suitable for the drilling work of different deep wells, and simultaneously, under the action of the first rotary sealing ring 4, the retainer ring 5, the second rotary sealing ring 6 and the pressure spring 7, the sealing property of the washpipe 1 can be further improved, the sealing and anti-punching performance is achieved, the pressure leakage condition is prevented from occurring in the process of drilling the deep wells, the service life of the washpipe 1 structure is ensured, and the operation safety is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an oil drilling disk type combination washpipe device that floats which characterized in that: the device comprises a washpipe (1), an upper packing (2) and a lower packing (3), wherein a first rotary sealing ring (4) is arranged on the outer wall of the upper packing (2) close to the washpipe (1), a retaining ring (5) is arranged on the outer wall of the lower packing (3) close to the washpipe (1), a second rotary sealing ring (6) is arranged on the lower surface wall of the retaining ring (5), a pressure spring (7) is arranged on two sides of the inner wall of the lower packing (3) in a propping manner, a first fixing device (8) and a second fixing device (9) are arranged on two sides of the upper packing (2) and the lower packing (3), a left pressing block (10) and a right pressing block (11) are arranged on the first fixing device (8) and the second fixing device (9), the left pressing block (10) and the right pressing block (11) are hinged on the back of the left pressing block (10) and the right pressing block (11), a hinged base, the middle end of the first connecting block (14) is provided with a bolt pin (15), the upper surface wall of the first connecting block (14) penetrates through one end of the bolt pin (15) and is provided with a second bolt (16), the outer ring surface of the bolt pin (15) is provided with a fastening nut (17), the front surface wall of the right pressing block (11) is provided with a second connecting block (18), a connecting hole (19) is formed in the second connecting block (18), the upper end of the first fixing device (8) is provided with a gooseneck pipe (20), and the lower end of the second fixing device (9) is provided with a main shaft (21).

2. The oil drilling disc type floating combined washpipe device according to claim 1, wherein: the washing pipe (1) is cylindrical and hollowed, and the washing pipe (1) is made of ceramic materials.

3. The oil drilling disc type floating combined washpipe device according to claim 1, wherein: the bolt has been all seted up to upper packing (2), lower packing (3) both sides table wall, upper packing (2), lower packing (3) pass through bolt and washing pipe (1) fixed connection.

4. The oil drilling disc type floating combined washpipe device according to claim 1, wherein: the shape of the upper packing (2) is composed of a circle and an annular ring, and the first rotary sealing ring (4) is circumferentially abutted against the surface wall of the upper end of the washpipe (1).

5. The oil drilling disc type floating combined washpipe device according to claim 1, wherein: the shape of packing (3) comprises circularly and annular down, retaining ring (5) are the same with the quantity of second rotary seal circle (6), and are the stack and distribute, the quantity of pressure spring (7) is two sets of, and the shape is the annular, pressure spring (7) equidistance distributes in the inner wall both sides of packing (3) down, and supports and lean on a side table wall at retaining ring (5).

6. The oil drilling disc type floating combined washpipe device according to claim 1, wherein: the structure of first fixing device (8) is the same with second fixing device (9), left side briquetting (10), right briquetting (11) are articulated with articulated seat (13), the preceding table wall fixed connection of first connecting block (14) and left briquetting (10), the one end of bolt pin (15) is passed through second bolt (16) and is articulated with first connecting block (14), the external screw thread has been seted up to bolt pin (15) anchor ring, the internal diameter size of fastening nut (17) and the external diameter size looks adaptation of bolt pin (15), fastening nut (17) and bolt pin (15) rotate to be connected, the preceding table wall fixed connection of second connecting block (18) and right briquetting (11), connecting hole (19) and bolt pin (15) joint.

7. The oil drilling disc type floating combined washpipe device according to claim 1, wherein; go up the one end of packing (2), gooseneck (20), lower packing (3), main shaft (21) and all seted up the boss, two sets of the width of boss and the width looks adaptation of ring channel (12), boss and ring channel (12) joint, the sealing washer has been seted up to the interior table wall of ring channel (12).