CN215565819U

CN215565819U - Milling cone tool for windowing and sidetracking of casing for yield-increasing transformation of circumferential multi-branch pore canals

Info

Publication number: CN215565819U
Application number: CN202121767301.9U
Authority: CN
Inventors: 李连杰; 郑新
Original assignee: Daqing Changyuan Energy Technology Co ltd
Current assignee: Daqing Changyuan Energy Technology Co ltd
Priority date: 2021-07-31
Filing date: 2021-07-31
Publication date: 2022-01-18
Anticipated expiration: 2031-07-31

Abstract

The utility model discloses a milling cone tool for windowing and sidetracking a sleeve for yield-increasing transformation of a circumferential multi-branch pore passage, which comprises a base body, wherein spiral cutter blades are uniformly distributed on the outer side of the lower part of the base body, milling blades are uniformly distributed on the outer side of the middle part of the base body, grinding teeth are uniformly distributed on the outer side of the upper part of the base body, the top end of a fixing plate is connected with a casing through a bolt, a rotary table is fixedly connected with the driving end of the bottom end of a motor, and clamping grooves are uniformly distributed in the rotary table and matched with clamping strips. According to the utility model, through the integrated design of window opening, window milling and window repairing, sidetracking time is effectively saved, work efficiency is improved, the purpose of stable transmission is achieved through the mutual matching of the clamping strip and the clamping groove, the fixing plate is connected with the casing through the bolt, the installation is simple, the later-stage disassembly and maintenance of the milling cone tool are facilitated, the protecting ring can protect the bolt and the joint of the workpiece from soil erosion, the service life of the device is prolonged, and the device is worth of being widely popularized.

Description

Milling cone tool for windowing and sidetracking of casing for yield-increasing transformation of circumferential multi-branch pore canals

Technical Field

The utility model relates to the technical field of workover tools, in particular to a milling cone tool for windowing and sidetracking of a casing for yield-increasing reconstruction of a circumferential multi-branch channel.

Background

The windowing milling cone tool for casing windowing needs to be flat in window so as to ensure smooth open hole drilling and casing descending in the later period, basically requires good wear resistance, high windowing speed, tool surface favorable for milling and cutting, easy chip removal, small load, difficulty in drill clamping and the like, and generally requires the maximum diameter of the milling cone to be consistent with the diameter of a drill bit drilled by the open hole so as to avoid reaming operation in the later period, so that drilling steps can be effectively saved, and the drilling time is saved.

In the casing windowing sidetrack drilling process, be divided into the windowing, mill the window and repair three stage of window, traditional sidetrack mode need carry out the cubic with the milling awl instrument and go into the pit and realize different windowing processes, because the drilling depth is long, consequently, it all need consume a large amount of time to drill down at every turn, reduce work efficiency, because the milling awl instrument receives wearing and tearing easily, consequently need often dismantle the maintenance, and the installation needs firm, prevent to drop in the well, the milling awl junction receives mud erosion easily, influence device work efficiency.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a milling cone tool for windowing and sidetracking of a casing for yield-increasing reconstruction of a circumferential multi-branch duct.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a circumference multi-branch pore yield increase transformation sleeve pipe side drill of windowing is with milling awl instrument, includes the base member, base member lower part outside evenly distributed has the spiral wing of a knife, base member middle part outside evenly distributed has the milling sword, base member upper portion outside evenly distributed has the gerar grinding, base member top fixedly connected with connecting piece, connecting piece upper portion outside evenly distributed has the card strip, the lower part outside rotates in the connecting piece and is connected with the fixed plate, there is the cover shell fixed plate top through bolted connection, roof fixedly connected with motor in the cover shell, motor bottom drive end fixedly connected with carousel, the inside evenly distributed of carousel has draw-in groove and card strip to mutually support.

As a further description of the above technical solution:

and cutting teeth are uniformly distributed on the surface of the spiral blade.

As a further description of the above technical solution:

and milling teeth are uniformly distributed on the surface of the milling blade.

As a further description of the above technical solution:

and a water hole is formed in the middle of the base body.

As a further description of the above technical solution:

and a plane bearing is arranged between the bottom end of the clamping strip and the top end of the fixing plate.

As a further description of the above technical solution:

and a protective ring is arranged between the fixed plate and the base body.

As a further description of the above technical solution:

the rotary disc is rotatably connected with the inner wall of the casing.

As a further description of the above technical solution:

the bottom end of the casing is evenly distributed with threaded holes.

The utility model has the following beneficial effects:

1. according to the drilling tool, firstly, the cutting teeth on the spiral blade penetrate into the side wall of the well body to achieve windowing, the spiral blade gradually penetrates deeply to achieve the purpose of enlarging a drilling opening, the windowing is primarily milled through the milling teeth to enable the window to be formed, and finally, the side wall is polished and repaired through the milling teeth to enable the window to be flat and smooth and easy to pass through a drilling tool pipe column.

2. According to the utility model, the motor drives the rotary table to rotate, the clamping strip is clamped in the clamping groove, the base body is driven to rotate, the purpose of stable transmission is achieved, the fixing plate is connected with the casing through the bolt, the purpose of convenient connection is achieved, the later-stage disassembly and maintenance of the milling cone tool are facilitated, the bolt, the connecting piece and the fixing plate can be effectively protected from soil erosion through the arrangement of the protection ring, the service life of the device is prolonged, and the device is worth of being widely popularized.

Drawings

Fig. 1 is an exploded view of a milling cone tool for windowing and sidetracking a casing for yield increase modification of a circumferential multi-branch channel according to the present invention;

FIG. 2 is a front view of a milling cone tool for windowing and sidetracking a casing for yield increasing reconstruction of a circumferential multi-branch channel, according to the present invention;

fig. 3 is a schematic structural diagram of a casing of a milling cone tool for windowing and sidetracking of a casing for yield-increasing reconstruction of a circumferential multi-branch channel provided by the utility model.

Illustration of the drawings:

1. cutting teeth; 2. a spiral blade; 3. milling teeth; 4. milling a blade; 5. a flat bearing; 6. a fixing plate; 7. a connecting member; 8. a housing; 9. clamping the strip; 10. a bolt; 11. a guard ring; 12. a turntable; 13. grinding the teeth; 14. a substrate; 15. water holes; 16. a motor; 17. a card slot; 18. a threaded bore.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, one embodiment of the present invention is provided: a milling cone tool for windowing and sidetracking a casing for yield-increasing transformation of a circumferential multi-branch pore passage comprises a base body 14, spiral blades 2 are uniformly distributed on the outer side of the lower portion of the base body 14, the spiral blades 2 gradually penetrate deeply to achieve the purpose of enlarging a drilling opening, milling blades 4 are uniformly distributed on the outer side of the middle portion of the base body 14, grinding teeth 13 are uniformly distributed on the outer side of the upper portion of the base body 14, a connecting piece 7 is fixedly connected to the top end of the base body 14, clamping strips 9 are uniformly distributed on the outer side of the upper portion of the connecting piece 7, a fixing plate 6 is rotatably connected to the outer side of the middle lower portion of the connecting piece 7, the top end of the fixing plate 6 is connected with a casing 8 through a bolt 10 to achieve the purpose of convenient connection, the later-stage disassembly and maintenance of the milling cone tool are facilitated, a motor 16 is fixedly connected to the inner top wall of the casing 8, a rotary table 12 is fixedly connected to the bottom end of the motor 12, clamping grooves 17 are uniformly distributed in the rotary table 12 and are matched with the clamping strips 9, the rotary table 12 is driven by the motor 16 to rotate, the clamping strip 9 is clamped in the clamping groove 17, so that the base body 14 is driven to rotate, and the purpose of stable transmission is achieved.

Cutting teeth 1 are uniformly distributed on the surface of a spiral blade 2, the cutting teeth 1 on the spiral blade 2 penetrate into the side wall of a well body to realize windowing, milling teeth 3 are uniformly distributed on the surface of a milling blade 4, the windowing is primarily milled through the milling teeth 3 to form a window, and finally the side wall is polished and repaired through a grinding tooth 13 to ensure that the window is smooth and easy to pass through a drilling tool string, through the integrated design of windowing, window milling and window repairing, the side drilling time is effectively saved, the working efficiency is improved, a motor 16 drives a turntable 12 to rotate, a water hole 15 is arranged in the middle of a base body 14, the water hole 15 is a flow channel for drilling fluid to flow out of the bottom of a drill bit, a plane bearing 5 is arranged between the bottom end of a clamping strip 9 and the top end of a fixing plate 6 to ensure that the fixing plate 6 and the clamping strip 9 rotate more smoothly, a protection ring 11 is arranged between the fixing plate 6 and the base body 14, and the protection ring 11 can effectively protect a bolt 10 and a joint of the connecting piece 7 and the fixing plate 6 from erosion of soil, the service life of the device is prolonged, the rotary disc 12 is rotatably connected with the inner wall of the sleeve 8, and the threaded holes 18 are uniformly distributed at the bottom end of the sleeve 8 and are conveniently connected with the bolts 10.

The working principle is as follows: in the use process of the milling cone tool, the base body 14 rotates, the cutting teeth 1 on the spiral blade 2 penetrate into the side wall of the well body to realize windowing, the spiral blade 2 gradually penetrates into the well body to achieve the purpose of expanding the drilling opening, the windowing is primarily milled through the milling teeth 3 to form the window, finally the side wall is polished and repaired through the grinding teeth 13 to enable the window to be flat and smooth and facilitate the passing of a drilling tool string, through the integrated design of windowing, window milling and window repairing, the side drilling time is effectively saved, the working efficiency is improved, the motor 16 drives the rotary table 12 to rotate, the clamping strip 9 is clamped inside the clamping groove 17 to drive the base body 14 to rotate, the fixing plate 6 is connected with the casing 8 through the bolt 10, the purpose of convenient connection is achieved, the transmission is stable, the later-stage disassembly and maintenance of the milling cone tool are convenient, the bolt 10 and the joint of the connecting piece 7 and the fixing plate 6 can be effectively protected from soil erosion through the protective ring 11, the service life of the device is prolonged, and the device is worth of being widely popularized.

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 or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a circumference multi-branch pore channel yield increasing transformation sleeve pipe side cut is with milling awl instrument, includes base member (14), its characterized in that: the utility model discloses a cutter head, including base member (14), base member (14) lower part outside evenly distributed have spiral wing of a knife (2), base member (14) middle part outside evenly distributed has milling blade (4), base member (14) upper portion outside evenly distributed has gerar grinding (13), base member (14) top fixedly connected with connecting piece (7), connecting piece (7) upper portion outside evenly distributed has card strip (9), the lower part outside rotates in connecting piece (7) and is connected with fixed plate (6), fixed plate (6) top is connected with cover shell (8) through bolt (10), roof fixedly connected with motor (16) in cover shell (8), motor (16) bottom drive end fixedly connected with carousel (12), the inside evenly distributed of carousel (12) has draw-in groove (17) and card strip (9) to mutually support.

2. The milling cone tool for the window sidetracking of a peripheral multi-branch channel stimulation modification casing of claim 1, wherein: the surface of the spiral blade (2) is uniformly distributed with cutting teeth (1).

3. The milling cone tool for the window sidetracking of a peripheral multi-branch channel stimulation modification casing of claim 1, wherein: milling teeth (3) are uniformly distributed on the surface of the milling blade (4).

4. The milling cone tool for the window sidetracking of a peripheral multi-branch channel stimulation modification casing of claim 1, wherein: the middle part of the base body (14) is provided with a water hole (15).

5. The milling cone tool for the window sidetracking of a peripheral multi-branch channel stimulation modification casing of claim 1, wherein: and a plane bearing (5) is arranged between the bottom end of the clamping strip (9) and the top end of the fixing plate (6).

6. The milling cone tool for the window sidetracking of a peripheral multi-branch channel stimulation modification casing of claim 1, wherein: a guard ring (11) is arranged between the fixing plate (6) and the base body (14).

7. The milling cone tool for the window sidetracking of a peripheral multi-branch channel stimulation modification casing of claim 1, wherein: the rotary disc (12) is rotationally connected with the inner wall of the casing (8).

8. The milling cone tool for the window sidetracking of a peripheral multi-branch channel stimulation modification casing of claim 1, wherein: the bottom end of the housing (8) is uniformly distributed with threaded holes (18).