CN219548820U

CN219548820U - Non-magnetic near-bit type drilling tool stabilizer

Info

Publication number: CN219548820U
Application number: CN202320636326.8U
Authority: CN
Inventors: 龚鼎
Original assignee: Second Exploration Team Of Anhui Coalfield Geological Bureau
Current assignee: Second Exploration Team Of Anhui Coalfield Geological Bureau
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-08-18
Anticipated expiration: 2033-03-28

Abstract

The utility model discloses a non-magnetic near-bit type drilling tool stabilizer, which belongs to the technical field of drilling tools and particularly relates to a non-magnetic near-bit type drilling tool stabilizer.

Description

Non-magnetic near-bit type drilling tool stabilizer

Technical Field

The utility model relates to the technical field of drilling tools, in particular to a non-magnetic near-bit type drilling tool stabilizer.

Background

At present, in the drilling process of petroleum, natural gas and coalbed methane, a non-magnetic drill collar and a non-magnetic weighting drill rod are frequently used, and the non-magnetic weighting drill rod is made of a drilling tool which is not easy to magnetize and has extremely low magnetic permeability, so that a measuring environment which is not influenced by a magnetic field of a drill string is provided for a logging instrument, and logging information such as a borehole magnetic azimuth angle, underground weight, torque, formation resistivity, neutrons and the like is transmitted to the ground through a high-sensitivity sensor, so that drillers and geologists can effectively see the situation of underground real-time occurrence, and the drilling success rate is improved, and the drilling quality is ensured.

In the prior art, a certain number of drilling tool stabilizers are needed to be connected with the tail end or the middle of the nonmagnetic drilling string assembly in a matched mode, the drilling tool stabilizers have the main effects of preventing well deviation in the drilling process, controlling the track of a well hole in the process of drilling directional well, easily causing damage to the side wall of the stabilizer due to long-term friction between the stabilizer and the well wall in the process of using the drilling tool stabilizers, frequently replacing the stabilizer, quite inconvenience in operation, affecting the drilling efficiency and shortening the service life of the device.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

The present utility model has been made in view of the above and/or problems with existing well tools.

Therefore, the utility model aims to provide the nonmagnetic near-bit type drilling tool stabilizer, which can reduce friction between the stabilizer and a well wall in the process of using the drilling tool stabilizer, thereby reducing abrasion, improving the wear resistance of the stabilizer, prolonging the service life of the stabilizer and improving the drilling efficiency.

In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:

the utility model provides a nearly drill bit stabilizer of no magnetism, includes the stabilizer body and right the piece, right the piece setting at the lateral wall of stabilizer body, the both sides of right the piece all are provided with the slope piece, the slope piece is with the lateral wall fixed connection of stabilizer body, the lateral wall of right the piece is provided with wear-resisting strip, the lateral wall of wear-resisting strip is provided with wear-resisting arch, the both ends of stabilizer body are provided with respectively and stabilize cover and lower steady cover.

As a preferred embodiment of the nonmagnetic near-bit type drilling tool stabilizer of the present utility model, wherein: the lateral wall of stabilizer body is provided with the fixed block, the lateral wall of fixed block is provided with the recess, right the piece embedding and install in the recess.

As a preferred embodiment of the nonmagnetic near-bit type drilling tool stabilizer of the present utility model, wherein: the side walls of the stabilizer body are equidistantly arranged by the centralizing blocks, and the wear-resisting strips are equidistantly arranged by the side walls of the centralizing blocks.

As a preferred embodiment of the nonmagnetic near-bit type drilling tool stabilizer of the present utility model, wherein: the inclined block is trapezoid.

As a preferred embodiment of the nonmagnetic near-bit type drilling tool stabilizer of the present utility model, wherein: the inner walls of the upper stabilizing sleeve and the lower stabilizing sleeve are respectively provided with threads.

As a preferred embodiment of the nonmagnetic near-bit type drilling tool stabilizer of the present utility model, wherein: the wear-resistant strip is made of aluminum alloy materials.

Compared with the prior art: in the utility model, 1. The stabilizer body is convenient for controlling the drilling direction in the drilling process, the centering blocks are convenient for ensuring the drilling to be straight, meanwhile, the centering blocks are uniformly distributed on the side wall of the stabilizer body, the friction between the stabilizer body and a well wall is avoided, so that the abrasion of the side wall of the stabilizer body is reduced, the stabilizer body is convenient for smooth drilling, the phenomenon of stuck drilling is reduced, the abrasion resistance of the stabilizer body is convenient to improve through the abrasion-resistant strip, the abrasion-resistant characteristic of the abrasion-resistant strip is convenient to strengthen through the abrasion-resistant bulge, the stabilizer body is convenient to be connected with a non-magnetic drill rod through the upper stabilizing sleeve and the lower stabilizing sleeve, therefore, the abrasion of the stabilizer and the well wall is reduced in the process of using the drilling tool stabilizer, the abrasion resistance of the stabilizer is increased, the service life of the stabilizer is prolonged, the drilling efficiency is improved, 2. The centering blocks are convenient to limit through the fixed blocks, the centering blocks are convenient to install or detach through grooves, and the damaged centering blocks are convenient to replace according to requirements, and the operation is convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings, which are to be understood as merely some embodiments of the present utility model, and from which other drawings can be obtained by those skilled in the art without inventive faculty. Wherein:

FIG. 1 is a schematic diagram of a non-magnetic near-bit drilling tool stabilizer according to the present utility model;

FIG. 2 is an exploded view of a non-magnetic near-bit stabilizer of the present utility model;

FIG. 3 is a schematic illustration of a mounting block for a non-magnetic near-bit tool stabilizer according to the present utility model;

FIG. 4 is a schematic diagram of a recess of a nonmagnetic near-bit stabilizer of the present utility model.

In the figure: 100 stabilizer body, 200 righting block, 210 tilting block, 220 wear strip, 230 wear-resisting protrusion, 240 upper stabilizing sleeve, 250 lower stabilizing sleeve, 300 fixing block, 310 groove.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

The utility model provides a non-magnetic near-bit type drilling tool stabilizer, referring to fig. 1-4, the stabilizer comprises a stabilizer body 100 and a centering block 200, the centering block 200 is arranged on the side wall of the stabilizer body 100, both sides of the centering block 200 are provided with inclined blocks 210, the inclined blocks 210 are fixedly connected with the side wall of the stabilizer body 100, the side wall of the centering block 200 is provided with a wear-resisting strip 220, the side wall of the wear-resisting strip 220 is provided with a wear-resisting bulge 230, both ends of the stabilizer body 100 are respectively provided with an upper stabilizing sleeve 240 and a lower stabilizing sleeve 250, specifically, the stabilizer body 100 is convenient for controlling the drilling direction in the drilling process, the centering block 200 is convenient for ensuring the drilling to be straight, meanwhile, the centering block 200 is uniformly distributed on the side wall of the stabilizer body 100, the stabilizer body 100 is prevented from rubbing against a drill rod, so that the side wall of the stabilizer body 100 is worn, the phenomenon of the stabilizer body 100 is convenient for smooth drilling, the phenomenon of the drilling is reduced, the wear-resisting strip 220 is convenient for improving the wear resistance of the stabilizer body 100, the wear-resisting strip 220 is convenient for strengthening the wear-resisting property through the bulge 230, and the wear-resisting strip 220 is convenient for strengthening the wear-resisting property through the wear-resisting strip 240, and the wear-resisting strip 220 is convenient for connecting the upper stabilizing sleeve 240 and the stabilizer body 100 through the lower stabilizing sleeve 240.

The centering blocks 200 are equidistantly arranged on the side wall of the stabilizer body 100, and the wear-resistant bars 220 are equidistantly arranged on the side wall of the centering blocks 200, specifically, the stress is uniformly dispersed, and the use is convenient.

The inclined block 210 has a trapezoid shape, and is particularly convenient for smooth drilling and convenient operation of the stabilizer body 100.

The inner walls of the upper stabilizing sleeve 240 and the lower stabilizing sleeve 250 are provided with threads, and specifically, the connection of the nonmagnetic drill rod is facilitated, and the installation is facilitated.

The wear-resistant strip 220 is made of aluminum alloy material, and specifically, the wear-resistant strength of the wear-resistant strip 220 is convenient to strengthen, and the operation is convenient.

Referring to fig. 1 to 4, a non-magnetic near-bit type drilling tool stabilizer according to the present embodiment is specifically used as follows: in the process of using the drilling tool stabilizer, the stabilizer body 100 is connected with the nonmagnetic drill rod by using the upper stabilizing sleeve 240 and the lower stabilizing sleeve 250, the stabilizer body 100 is used for controlling the drilling direction in the drilling process, the centering blocks 200 are used for ensuring the centering of the drilling hole, meanwhile, the centering blocks 200 are uniformly distributed on the side wall of the stabilizer body 100, the stabilizer body 100 is prevented from rubbing against the well wall, the abrasion of the side wall of the stabilizer body 100 is reduced, the stabilizer body 100 is convenient to smooth drilling through the inclined blocks 210 in the working process, the phenomenon of sticking of drilling is reduced, the abrasion resistance of the stabilizer body 100 is improved by using the abrasion-resistant strips 220, and the abrasion-resistant characteristics of the abrasion-resistant strips 220 are enhanced by using the abrasion-resistant protrusions 230.

Fig. 3 to fig. 4 are schematic structural views of a second embodiment of a stabilizer for a non-magnetic near-bit drill according to the present utility model, and please refer to fig. 3 to fig. 4, unlike the above embodiment, the side wall of the stabilizer body 100 is provided with a fixing block 300, the side wall of the fixing block 300 is provided with a groove 310, the centering block 200 is embedded in the groove 310, specifically, the centering block 200 is conveniently limited by the fixing block 300, the centering block 200 is conveniently mounted or dismounted by the groove 310, and the damaged centering block 200 is conveniently replaced according to the requirement, and the operation is convenient.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. A non-magnetic near-bit drilling tool stabilizer, characterized by: including stabilizer body (100) and righting piece (200), righting piece (200) set up the lateral wall at stabilizer body (100), the both sides of righting piece (200) all are provided with slope piece (210), the lateral wall fixed connection of slope piece (210) and stabilizer body (100), the lateral wall of righting piece (200) is provided with wear strip (220), the lateral wall of wear strip (220) is provided with wear-resisting arch (230), the both ends of stabilizer body (100) are provided with respectively and stabilize cover (240) and lower steady cover (250).

2. A non-magnetic near-bit tool stabilizer according to claim 1, wherein: the stabilizer is characterized in that a fixed block (300) is arranged on the side wall of the stabilizer body (100), a groove (310) is formed in the side wall of the fixed block (300), and the righting block (200) is embedded and installed in the groove (310).

3. A non-magnetic near-bit tool stabilizer according to claim 1, wherein: the centralizing blocks (200) are equidistantly arranged on the side wall of the stabilizer body (100), and the wear-resisting strips (220) are equidistantly arranged on the side wall of the centralizing blocks (200).

4. A non-magnetic near-bit tool stabilizer according to claim 1, wherein: the inclined block (210) is trapezoidal.

5. A non-magnetic near-bit tool stabilizer according to claim 1, wherein: the inner walls of the upper stabilizing sleeve (240) and the lower stabilizing sleeve (250) are provided with threads.

6. A non-magnetic near-bit tool stabilizer according to claim 1, wherein: the wear-resistant strip (220) is made of aluminum alloy materials.