CN213450357U

CN213450357U - Single well branch horizontal flexible tool

Info

Publication number: CN213450357U
Application number: CN202021777554.XU
Authority: CN
Inventors: 马长军
Original assignee: Daqing Jingyun Oilfield Technical Service Co ltd
Current assignee: Daqing Jingyun Oilfield Technical Service Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-06-15
Anticipated expiration: 2030-08-19

Abstract

The utility model discloses a horizontal flexible tool of single well branch, including straight drilling rod, screw rod, roller bit, flexible drilling rod, straight drilling rod is connected with the one end of flexible drilling rod, the one end of screw rod is connected with the other end of flexible drilling rod, the other end of screw rod is connected with roller bit, flexible drilling rod is connected gradually by a plurality of flexible connectors and constitutes, flexible connector includes first joint, fixture block, connecting rod, second joint, the one end integrated into one piece of connecting rod has the ball joint, the outer wall of ball joint is the circumference and is provided with a plurality of spacing grooves, the activity of second joint cup joints in the outer wall department of connecting rod, the fixture block has a plurality ofly, the cross section of fixture block is isosceles trapezoid, the outer wall fixed connection of fixture block has the gag lever post; the utility model discloses a set up first holding tank, second holding tank, fixture block, gag lever post etc. be convenient for install and dismantle adjacent flexonics spare, and simple structure, excellent in use effect.

Description

Single well branch horizontal flexible tool

Technical Field

The utility model relates to a well drilling tool specifically is horizontal flexible tool of single well branch.

Background

Branch patios, vertical or inclined wells or channels cut in the mine to connect one working area to another working area one above the other. A branch raise is a well in which two or more branch well bores are sidetracked from a main well bore. For the definition of a lateral well, we consider that its scope should be extended. For many years, multiple lateral wells have been drilled in a variety of ways. The branch raise can start to branch from a vertical well or from a near vertical well, a directional well and a horizontal well; the branch raise can be drilled from a newly drilled well or from the old well; the number of branches of the branch patio can be two, and can also be a plurality of branches.

The multilateral well mainly carries out the probing through flexible drilling tool, and current flexible drilling tool, its flexible drilling rod have a plurality of detachable end to end's connecting piece to constitute mostly to be convenient for adjust the length of flexible drilling rod, however the connecting piece of current flexible drilling rod, mostly all the structure is complicated, and the installation is dismantled loaded down with trivial details, and is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a horizontal flexible instrument of single well branch to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the single-well branch horizontal flexible tool comprises a straight drill rod, a screw rod, a roller bit and a flexible drill rod, wherein the straight drill rod is connected with one end of the flexible drill rod, one end of the screw rod is connected with the other end of the flexible drill rod, the other end of the screw rod is connected with the roller bit, the flexible drill rod is formed by sequentially connecting a plurality of flexible connecting pieces, each flexible connecting piece comprises a first joint, a clamping block, a connecting rod and a second joint, one end of each connecting rod is integrally formed with a ball joint, the outer wall of each ball joint is provided with a plurality of limiting grooves in a circumferential manner, the second joints are movably sleeved on the outer wall of the connecting rod, the clamping blocks are provided with a plurality of clamping blocks, the cross sections of the clamping blocks are in an isosceles trapezoid shape, the outer walls of the clamping blocks are fixedly connected with the limiting rods, the side walls of the first joints are provided with first spherical grooves, the outer walls, the lateral wall of the second joint is provided with a second spherical groove, a plurality of shielding plates are uniformly arranged at the position, located at the opening of the second spherical groove, of the lateral wall of the second joint, and second containing grooves are formed in the corresponding positions of the lateral wall of the second joint and the shielding plates.

As a further aspect of the present invention: the size looks adaptation of first holding tank, second holding tank and fixture block, the degree of depth of first holding tank, second holding tank is the same, the fixture block is located first holding tank and second holding tank.

As a further aspect of the present invention: the shielding plate is located in the corresponding first accommodating groove.

As a further aspect of the present invention: the outer wall of fixture block sets up the through-hole that runs through, the blind hole has been seted up with the department that corresponds of through-hole to the outer wall of first holding tank, the outer wall of second holding tank and the department fixedly connected with inserted bar that corresponds of through-hole.

As a further aspect of the present invention: one end of the inserted rod penetrates through the corresponding through hole and then is positioned in the corresponding blind hole.

As a further aspect of the present invention: the ball joint is located first spherical groove and second spherical groove, the gag lever post is located the spacing inslot that corresponds, first joint passes through a plurality of bolt fixed connection with the second joint, the lateral wall of first joint passes through a plurality of bolt fixed connection with the one end of adjacent connecting rod.

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

1. the utility model is provided with the first holding tank, the second holding tank, the fixture block, the limiting rod, the baffle plate and the like, thereby being convenient for installing and disassembling the adjacent flexible connecting pieces, having simple structure and good use effect, when the connected flexible connecting pieces are installed, the second joint is sleeved on the outer wall of the corresponding connecting rod, the first joint and the end part of the corresponding connecting rod are fixed through the bolt, the limiting rod is placed in the corresponding limiting groove, and the second joint is pushed to enable the end part of the inserted link to pass through the corresponding through hole until the fixture block is clamped into the corresponding second accommodating groove, at the moment, the fixture block is completely positioned below the shielding plate, then butt joint first joint and second joint, make the tip of inserted bar insert in the blind hole, the shielding plate will insert in the first holding tank that corresponds with the fixture block this moment, it can to fix first joint and second joint through the bolt at last.

2. The utility model discloses a setting of inserted bar, through-hole, blind hole is convenient for fix a position fixture block and gag lever post, and cooperates the use of first holding tank and second holding tank, can further carry on spacingly to the fixture block to improve the stability of fixture block and gag lever post, be convenient for simultaneously change fixture block and gag lever post.

Drawings

FIG. 1 is a schematic diagram of a single well branched horizontal flexible tool.

FIG. 2 is a first exploded view of a flexible connector in a single well branched horizontal flexible tool.

FIG. 3 is a second exploded view of a flexible connector in a single well branched horizontal flexible tool.

FIG. 4 is a schematic view of the connection structure of the flexible connector in the single well branched horizontal flexible tool.

The flexible drill rod comprises a straight drill rod 1, a screw rod 2, a roller bit 3, a flexible drill rod 4, a connecting rod 5, a ball joint 6, a limiting groove 7, a first joint 8, a first accommodating groove 9, a blind hole 10, a clamping block 11, a limiting rod 12, a through hole 13, a second joint 14, a second accommodating groove 15, a baffle plate 16, an inserting rod 17, a first spherical groove 18 and a second spherical groove 19.

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 to 4, in an embodiment of the present invention, a single-well branched horizontal flexible tool includes a straight drill rod 1, a screw rod 2, a roller bit 3, and a flexible drill rod 4, wherein the straight drill rod 1 is connected to one end of the flexible drill rod 4, one end of the screw rod 2 is connected to the other end of the flexible drill rod 4, the other end of the screw rod 2 is connected to the roller bit 3, the flexible drill rod 4 is formed by sequentially connecting a plurality of flexible connectors, each flexible connector includes a first connector 8, a plurality of blocks 11, a connecting rod 5, and a second connector 14, one end of the connecting rod 5 is integrally formed with a ball joint 6, the outer wall of the ball joint 6 is circumferentially provided with a plurality of limiting grooves 7, the second connector 14 is movably sleeved on the outer wall of the connecting rod 5, the plurality of blocks 11 are provided, the cross section of the blocks 11 is in a trapezoid isosceles shape, the outer wall of the, first spherical groove 18 has been seted up to the lateral wall of first joint 8, a plurality of first holding tanks 9 have evenly been seted up to the outer wall that first joint 8 is located first spherical groove 18 opening part, second spherical groove 19 has been seted up to the lateral wall of second joint 14, the opening part that the lateral wall of second joint 14 is located second spherical groove 19 evenly is provided with a plurality of shielding plates 16, second holding tank 15 has been seted up with shielding plate 16's the department that corresponds to the lateral wall of second joint 14.

First accommodation groove 9, second accommodation groove 15 and fixture block 11's size looks adaptation, first accommodation groove 9, second accommodation groove 15's degree of depth are the same, fixture block 11 is located first accommodation groove 9 and second accommodation groove 15.

The shielding plate 16 is located in the corresponding first receiving groove 9.

The outer wall of the clamping block 11 is provided with a through hole 13, a blind hole 10 is formed at the position, corresponding to the through hole 13, of the outer wall of the first accommodating groove 9, and an inserting rod 17 is fixedly connected at the position, corresponding to the through hole 13, of the outer wall of the second accommodating groove 15.

One end of the inserted rod 17 is positioned in the corresponding blind hole 10 after passing through the corresponding through hole 13.

The ball joint 6 is located first spherical groove 18 and second spherical groove 19, gag lever post 12 is located corresponding spacing inslot 7, a plurality of first screw holes have evenly been seted up to the lateral wall of first joint 8, the lateral wall of second joint 14 runs through and is provided with a plurality of bolts, first joint 8 passes through a plurality of bolt fixed connection with second joint 14, the inner wall of first spherical groove 18 runs through and is provided with a plurality of bolts, a plurality of second screw holes have been seted up to connecting rod 5 and the one end lateral wall that the ball joint 6 is relative, the lateral wall of first joint 8 passes through a plurality of bolt fixed connection with the one end of adjacent connecting rod 5.

The utility model discloses a theory of operation is:

the utility model discloses in when splicing a plurality of adjacent flexonics spare, only need to connect 14 with the second and cup joint in the connecting rod 5 outer wall department that corresponds earlier, later fix first joint 8 and the tip of the connecting rod 5 that corresponds through the bolt, put into corresponding spacing groove 7 with gag lever post 12 again, and promote the second and connect 14, make the tip of inserted bar 17 pass corresponding through-hole 13, go into corresponding second holding tank 15 until fixture block 11 card, fixture block 11 is because of being located the below of shielding plate 16 completely this moment, then connect 14 to first joint 8 and second, make the tip of inserted bar 17 insert in the blind hole 10, shielding plate 16 will insert corresponding first holding tank 9 with fixture block 11 this moment, it can to connect 14 with the second through the bolt to first joint 8 at last, moreover, the steam generator is simple in structure, the installation is dismantled conveniently, excellent in use effect.

The utility model discloses a setting of inserted bar 17, through-hole 13, blind hole 10 is convenient for fix a position fixture block 11 and gag lever post 12, and cooperates the use of first holding tank 9 and second holding tank 15, can further carry on spacingly to fixture block 11 to improve fixture block 11 and gag lever post 12's stability, be convenient for change fixture block 11 and gag lever post 12 simultaneously.

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 invention.

Claims

1. Single well branch horizontal flexible tool, including straight drilling rod (1), screw rod (2), roller bit (3), flexible drilling rod (4), its characterized in that: the straight drill rod (1) is connected with one end of a flexible drill rod (4), one end of a screw rod (2) is connected with the other end of the flexible drill rod (4), the other end of the screw rod (2) is connected with a roller bit (3), the flexible drill rod (4) is formed by sequentially connecting a plurality of flexible connecting pieces, each flexible connecting piece comprises a first joint (8), a clamping block (11), a connecting rod (5) and a second joint (14), one end of the connecting rod (5) is integrally formed with a ball joint (6), the outer wall of the ball joint (6) is provided with a plurality of limiting grooves (7) in a circumferential manner, the second joint (14) is movably sleeved at the outer wall of the connecting rod (5), the clamping blocks (11) are multiple, the cross sections of the clamping blocks (11) are isosceles trapezoids, the outer wall of the clamping blocks (11) is fixedly connected with limiting rods (12), the side wall of the first joint (8) is provided with a first spherical groove (18), a plurality of first holding tanks (9) have evenly been seted up to the outer wall that first joint (8) are located first spherical groove (18) opening part, second spherical groove (19) have been seted up to the lateral wall that second joint (14), the lateral wall that second joint (14) are located the opening part in second spherical groove (19) evenly is provided with a plurality of shielding plates (16), second holding tank (15) have been seted up with the department that corresponds of shielding plate (16) to the lateral wall that second joint (14).

2. The single well branched horizontal flexible tool of claim 1, wherein: first holding tank (9), second holding tank (15) and fixture block (11) size looks adaptation, the degree of depth of first holding tank (9), second holding tank (15) is the same, fixture block (11) are located first holding tank (9) and second holding tank (15).

3. The single well branched horizontal flexible tool of claim 1, wherein: the shielding plates (16) are positioned in the corresponding first accommodating grooves (9).

4. The single well branched horizontal flexible tool of claim 1, wherein: the outer wall of fixture block (11) is seted up through-hole (13) that runs through, blind hole (10) have been seted up with the department that corresponds of through-hole (13) to the outer wall of first holding tank (9), the outer wall of second holding tank (15) and the department that corresponds of through-hole (13) fixedly connected with inserted bar (17).

5. The single well branched horizontal flexible tool of claim 4, wherein: one end of the inserted rod (17) penetrates through the corresponding through hole (13) and then is positioned in the corresponding blind hole (10).

6. The single well branched horizontal flexible tool of claim 4, wherein: the ball joint (6) is located first spherical groove (18) and second spherical groove (19), gag lever post (12) are located corresponding spacing groove (7), first joint (8) and second joint (14) are through a plurality of bolt fixed connection, the lateral wall of first joint (8) is through a plurality of bolt fixed connection with the one end of adjacent connecting rod (5).