CN209976472U

CN209976472U - Horizontal well directional well anti-sticking device

Info

Publication number: CN209976472U
Application number: CN201920065711.5U
Authority: CN
Inventors: 刘长柱; 杨金生; 殷召海; 尹晓明; 邹敏; 王成实; 李清碧; 马鸿彦
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-16
Filing date: 2019-01-16
Publication date: 2020-01-21
Anticipated expiration: 2029-01-16

Abstract

The utility model discloses an anti-sticking device for a horizontal well directional well, which comprises a device main body, wherein the middle of the top of the device main body is connected with a connecting piece through a clamping groove, and second threads are arranged on the inner wall of the clamping groove and below two sides of the connecting piece, the anti-sticking device for the directional well of the horizontal well is provided with a drilling thread, a blade and an expansion tool bit, when a user uses the device, the drill stem can be started, so that the drill stem drives the device main body to rotate, when the device main body rotates, the expansion tool bit can rapidly drill the well on the ground through rotation, when the expanded cutter head is used for drilling, the main body of the device can rapidly expand the well wall through the rotation of the drilling thread and the blade, therefore, the diameter of the well wall is enlarged, the drill string can drill deeply better, the drill string is prevented from being stuck with the well wall, and the drilling efficiency of the drill string is greatly increased.

Description

Horizontal well directional well anti-sticking device

Technical Field

The utility model relates to an antiseized card technical field of directional well of horizontal well specifically is an antiseized device that clamps of directional well of horizontal well.

Background

The horizontal directional well is a drilling professional term, refers to a well drilled according to a pre-designed track with well deviation and azimuth change, is one of the most advanced drilling technologies in the world petroleum exploration and development field, and is a drilling process technology which effectively controls a well bore track by using a special downhole tool, a measuring instrument and a process technology to enable a drill bit to drill to a preset underground target along a specific direction.

In the directional well work progress of current horizontal well, lead to the drilling string to glue the card on the wall of a well sometimes easily, and current antiseized card device adopts to set up screw thread and sword strip at the surface of drilling string to expand the wall of a well mostly, thereby avoid the drilling string to glue the card, but this kind of mode is when using, the well drilling degree of difficulty of drilling string has often been increased, thereby the well drilling efficiency of drilling string has been reduced greatly, and current device is after using longer time, its outer surface takes place wearing and tearing easily, and current device is difficult to dismantle the device from the drilling string fast, it is inconvenient with this to cause the user to change the maintenance to the device, thereby very big influence user's work efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an antiseized device that clamps of directional well of horizontal well to the well drilling degree of difficulty that increases the drilling string is proposed in solving above-mentioned background art, has reduced the drilling efficiency of drilling string, and is difficult to dismantle the change maintenance fast to the device, thereby influences user's work efficiency's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an antiseized device that clamps of directional well of horizontal well, includes the device main part, be connected with the connecting piece through the draw-in groove in the middle of the top of device main part, just the inner wall of draw-in groove and the both sides below of connecting piece all are provided with the second screw thread, the mounting groove has been seted up at the top of connecting piece, just the inside distribution of mounting groove has a plurality of first screw threads, the both sides of device main part all are connected with a plurality of brill and get the screw thread, the bottom of device main part is connected with the drill bit, just the both sides of drill bit all are connected with the blade.

Preferably, a plurality of the first threads are equidistantly distributed on the inner wall of the mounting groove.

Preferably, the connecting piece is engaged with the clamping groove through a second thread.

Preferably, a plurality of said drilling threads are equally spaced around the outer surface of the device body.

Preferably, the blade is provided in plurality, and a plurality of the blades are equidistantly distributed on the outer surface of the drill bit.

Preferably, the expansion tool bit is welded at the bottom of the drill bit, and a layer of anti-corrosion paint is uniformly coated on the outer surface of the expansion tool bit.

Compared with the prior art, the beneficial effects of the utility model are that: the anti-sticking device for the directional well of the horizontal well is provided with a drilling thread, a blade and an expansion tool bit, when a user uses the device, the drill string can be started, so that the drill string drives a device main body to rotate, when the device main body rotates, the expansion tool bit can rotate to quickly drill the well on the ground, when the expansion tool bit drills the well, the device main body can quickly expand the well wall through the drilling thread and the rotation of the blade, so that the diameter of the well wall is expanded, the drill string can better drill deeply, the sticking with the well wall is avoided, the drilling efficiency of the drill string is greatly increased, meanwhile, the device is also provided with a clamping groove, a connecting piece and a second thread, when the device is worn after being used for a long time, the connecting piece can be rotated by the user, so that the device main body can be screwed out from the clamping groove through the second thread, and the device main body can be quickly disassembled, replaced and maintained, thereby greatly increasing the working efficiency of the user.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

fig. 3 is an enlarged schematic view of a partial structure of the present invention a.

In the figure: 1. a device main body; 2. drilling a thread; 3. a card slot; 4. a connecting member; 5. mounting grooves; 6. a first thread; 7. a drill bit; 8. a blade; 9. expanding the cutter head; 10. a second thread.

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. 1-3, the present invention provides a technical solution: an anti-sticking device for a directional well of a horizontal well comprises a device main body 1, drilling threads 2, a clamping groove 3, a connecting piece 4, a mounting groove 5, first threads 6, a drill bit 7, a blade 8, an expansion tool bit 9 and second threads 10, wherein the connecting piece 4 is connected with the middle of the top of the device main body 1 through the clamping groove 3, and the inner wall of the clamping groove 3 and the lower parts of the two sides of the connecting piece 4 are both provided with second threads 10, the top of the connecting piece 4 is provided with an installation groove 5, a plurality of first threads 6 are distributed in the mounting groove 5, a plurality of drilling threads 2 are connected to both sides of the device body 1, a drill bit 7 is connected to the bottom of the device body 1, and the both sides of drill bit 7 all are connected with blade 8, the bottom of drill bit 7 is connected with expansion tool bit 9, is convenient for expand tool bit 9 and takes ground to drill a well through the rotation.

Referring to fig. 1-3, the first threads 6 are equidistantly distributed on the inner wall of the mounting groove 5, the first threads 6 are arranged to facilitate a user to mount the connecting member 4 on the drill string through the mounting groove 5, and the connecting member 4 is engaged with the locking groove 3 through the second threads 10, so that the user can rotate the connecting member 4 to make the connecting member 4 be unscrewed from the locking groove 3 through the second threads 10, thereby quickly disassembling the device body 1 and the connecting member 4.

Referring to fig. 1 and 2, a plurality of drilling threads 2 are equidistantly distributed on the outer surface of the device body 1, so that the device body 1 can conveniently expand the well wall through the drilling threads 2, a plurality of blades 8 are arranged, the plurality of blades 8 are equidistantly distributed on the outer surface of the drill bit 7, and the blades 8 can help the device body drill the well wall deeply through the blades 8.

Referring to fig. 1, the expansion cutter head 9 is welded to the bottom of the drill bit 7, a layer of anti-corrosion paint is uniformly coated on the outer surface of the expansion cutter head 9, the arrangement of the expansion cutter head 9 is beneficial for the drill bit 7 to drill the ground, and the anti-corrosion paint can prevent the expansion cutter head 9 from being corroded and rusted in the long-term use process.

The working principle is as follows: firstly, when a worker uses the device in a workshop, the connecting piece 4 can be inserted into the clamping groove 3 firstly, the connecting piece 4 is rotated, the connecting piece 4 is screwed and installed in the clamping groove 3 through the second thread 10, after the connecting piece 4 is installed, a user can rotatably install the device main body 1 on a drill column through the installation groove 5 and the first thread 6 on the connecting piece 4, after the installation is finished, the user can start the drill column to drive the device main body 1 to rotate, when the device main body 1 rotates, the expansion tool bit 9 can drive the rotation through the drill bit 7 to rapidly drill a well on the ground, when the expansion tool bit 9 drills the well, the device main body 1 can rapidly expand a well wall through the rotation of the drilling thread 2 and the drill bit 8, so that the diameter of the well wall is expanded, and finally when the user needs to disassemble the device main body 1 after the well drilling is finished, the connecting member 4 can be rotated so that the device body 1 can be screwed out the connecting member 4 from the engaging groove 3 through the second screw thread 10.

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. The utility model provides an antiseized device that blocks of directional well of horizontal well, includes device main part (1), its characterized in that: be connected with connecting piece (4) through draw-in groove (3) in the middle of the top of device main part (1), just the inner wall of draw-in groove (3) and the both sides below of connecting piece (4) all are provided with second screw thread (10), mounting groove (5) have been seted up at the top of connecting piece (4), just the internal distribution of mounting groove (5) has a plurality of first screw thread (6), the both sides of device main part (1) all are connected with a plurality of brills and get screw thread (2), the bottom of device main part (1) is connected with drill bit (7), just the both sides of drill bit (7) all are connected with blade (8), the bottom of drill bit (7) is connected with expansion tool bit (9).

2. The horizontal well directional well anti-sticking device according to claim 1, characterized in that: the first threads (6) are distributed on the inner wall of the mounting groove (5) at equal intervals.

3. The horizontal well directional well anti-sticking device according to claim 1, characterized in that: the connecting piece (4) is meshed with the clamping groove (3) through a second thread (10).

4. The horizontal well directional well anti-sticking device according to claim 1, characterized in that: a plurality of the drilling threads (2) are equidistantly distributed on the outer surface of the device main body (1).

5. The horizontal well directional well anti-sticking device according to claim 1, characterized in that: the blade (8) is provided with a plurality of, and is a plurality of blade (8) equidistance distributes in the surface of drill bit (7).

6. The horizontal well directional well anti-sticking device according to claim 1, characterized in that: the expansion tool bit (9) is welded at the bottom of the drill bit (7), and a layer of anticorrosive paint is uniformly coated on the outer surface of the expansion tool bit (9).