CN215169811U

CN215169811U - Wear-resistant petroleum casing pipe

Info

Publication number: CN215169811U
Application number: CN202121781865.8U
Authority: CN
Inventors: 唐均尘; 杨斌; 岳凡钦; 王旭; 郭宇; 许红林
Original assignee: Chongqing University of Science and Technology
Current assignee: Chongqing University of Science and Technology
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2021-12-14
Anticipated expiration: 2031-08-02

Abstract

The utility model discloses a wear-resisting oil casing in the technical field of oil drilling, including inner cylinder and outer cylinder, be equipped with a plurality of first wear-resisting poles on the inner cylinder, be equipped with first ball and first kicking block on the first wear-resisting pole, outer cylinder threaded connection is in the inner cylinder outside, and evenly is fixed with a plurality of second kicking blocks on the medial surface, and the tip of second kicking block is equipped with the roof of slope, and the roof corresponds with first kicking block and is connected, the utility model discloses a set up inner cylinder and outer cylinder outside the drilling rod, avoid the drilling rod to contact with external structure and cause wearing and tearing etc. to increase the wearability of drilling rod, reduce the friction between the drilling rod and the inner cylinder when moving through first ball, thereby reduce wearing and tearing; through rotating outer barrel, make outer barrel drive the second kicking block and move down to with first kicking block and the inboard removal of the interior barrel of first wear-resisting pole, reduce the clearance because wearing and tearing cause between first ball and the drilling rod, improve the relative position stability between sleeve and the drilling rod.

Description

Wear-resistant petroleum casing pipe

Technical Field

The utility model relates to an oil drilling technical field specifically is a wear-resisting oil casing pipe.

Background

Petroleum refers to a mixture of hydrocarbons in gaseous, liquid and solid states, with natural occurrence, being a viscous, dark brown liquid, known as "industrial blood". The upper part of the crust has oil storage. The main component is a mixture of various alkanes, cycloalkanes and aromatics. Is one of the main objects of geological exploration.

The oil formation mechanism of petroleum has two theories of biological deposition and oil change and petrochemical oil, the former is widely accepted, and the petroleum is formed by the long evolution of organisms in ancient oceans or lakes, belongs to biological deposition and oil change and cannot be regenerated; the latter considers that oil is produced from the carbon in the earth's crust itself, is biologically unrelated and is renewable. Petroleum is used mainly as fuel and gasoline, and also as a raw material for many chemical industry products such as solutions, fertilizers, pesticides, and plastics.

When carrying out the oil development probing, adopt drilling equipment to work, but drilling rod on the drilling equipment is at the drilling in-process, can continuous rotation, and its rotatory drilling rod can cause wearing and tearing etc. with the exterior structure contact, uses the back for a long time, can influence the work of drilling rod.

Based on this, the utility model designs a wear-resisting oil casing to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wear-resisting oil casing to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a wear-resistant petroleum casing comprises an inner cylinder body sleeved on the outer side of a drill rod and an outer cylinder body sleeved on the outer side of the inner cylinder body, wherein a plurality of first wear-resistant rods are uniformly arranged in an inner cavity of the inner cylinder body along the circumferential direction, a plurality of ball grooves are uniformly formed in one side, close to the center of the inner cylinder body, of each first wear-resistant rod along the vertical direction, first balls are arranged in the ball grooves and are in contact with the side wall of the drill rod through the first balls, a first ejector block is fixed to the other side of each first wear-resistant rod, and the outer side end of each first ejector block is obliquely arranged;

establish to the open dress bottom of outer barrel, the top is equipped with the end plate, and the center department of end plate is equipped with the circular port, interior barrel sliding connection is in the circular port, and the bottom outside is fixed with annular boss, the inside wall bottom of the outer barrel all is equipped with a screw thread section of thick bamboo on the circumference side of annular boss, and through screw thread interconnect, the position that corresponds annular section of thick bamboo on the inside wall of outer barrel evenly is equipped with a plurality of second kicking blocks along the circumferencial direction, the medial extremity slope setting of second kicking block, the slope end of second kicking block is fixed with the roof of slope, the inclination of roof is the same with the second kicking block, and the second kicking block passes through the slope end contact of roof and first kicking block, the contact surface of roof and first kicking block all sets up to the circular conical surface, so that the roof can rotate for first kicking block.

Preferably, evenly be equipped with a plurality of vertical second wear-resisting poles along the circumferencial direction on the lateral wall of outer barrel, evenly be equipped with a plurality of ball grooves along vertical direction on the lateral surface of second wear-resisting pole, and be equipped with the second ball in the ball groove, outer barrel passes through second ball and the pit shaft lateral wall or other pipeline lateral wall structure structures of outside on the second wear-resisting pole, friction when reducing the contact to reduce wearing and tearing.

Preferably, the position that corresponds the second kicking block on the lateral wall of outer barrel is equipped with the notch, second kicking block sliding connection is in the notch, and the outside end passes the notch, and with the medial surface fixed connection of the wear-resisting pole of second, and the wear-resisting pole of second passes through second kicking block and notch and outer barrel sliding connection, make the wear-resisting pole of second remove for outer barrel, so that rotate when adjusting first wear-resisting pole position through outer barrel, adjust the position of the wear-resisting pole of second, thereby improve the interior barrel and the drilling rod between and the position stability between outer barrel and the exterior structure.

Preferably, the top of the inner side wall of the second wear-resistant rod is fixed with a horizontal second sliding plate, the inner side end of the second sliding plate penetrates through the side wall of the outer cylinder and extends into the outer cylinder, the top of the extending end is fixed with a vertical second movable plate, a second spring is connected between the second movable plate and the inner side wall of the outer cylinder, and the second wear-resistant rod and the outer cylinder are connected more closely by arranging structures such as the second sliding plate, the second movable plate and the elastic second spring, so that the second wear-resistant rod is prevented from being separated from the outer cylinder.

Preferably, a horizontal first sliding plate is fixed to the bottom of the inner side wall of the first wear-resistant rod, the inner side end of the first sliding plate penetrates through the side wall of the inner cylinder and extends out of the inner cylinder, a vertical first movable plate is fixed to the bottom of the extending end of the first sliding plate, a first spring is connected between the first movable plate and the outer side wall of the inner cylinder, and the first wear-resistant rod and the inner cylinder are connected more tightly by arranging the first sliding plate, the first movable plate and the elastic first spring in an equal structure, so that the first wear-resistant rod is prevented from being separated from the inner cylinder.

Preferably, the recess that is close to the barrel center department in on the first wear-resisting pole is equipped with the V-arrangement, evenly is equipped with a plurality of ball grooves along vertical direction respectively on two sides of recess, and is equipped with first ball in the ball groove, through the recess that sets up the V-arrangement to set up two first balls through the recess on same first wear-resisting pole, increase the contact point figure of first wear-resisting pole and drilling rod, improve the stability of relative position.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up inner cylinder and outer cylinder outside the drilling rod, avoid the drilling rod to contact with exterior structure and cause wearing and tearing etc. in order to increase the wearability of drilling rod, reduce the friction between the drilling rod and the inner cylinder when moving through first ball, thereby reduce wearing and tearing; through rotating outer barrel, make outer barrel drive the second kicking block and move down to with first kicking block and the inboard removal of the interior barrel of first wear-resisting pole, reduce the clearance because wearing and tearing cause between first ball and the drilling rod, improve the relative position stability between sleeve and the drilling rod.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic structural view of the inner cylinder and the outer cylinder of the present invention;

FIG. 3 is a schematic view of the bottom structure of the first wear-resistant rod of the present invention;

fig. 4 is a schematic structural view of the outer cylinder of the present invention;

fig. 5 is a schematic cross-sectional view of the first wear-resistant rod of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-a drill rod; 2-inner cylinder, 201-annular boss; 3-outer cylinder body, 301-second wear-resistant rod, 302-second ball, 303-second top block, 304-top plate, 305-second moving plate, 306-second spring, 307-second sliding plate; 4-first wear rod, 401-first ball, 402-first top block, 403-first slide, 404-first moving plate, 405-first spring.

Detailed Description

The technical solution 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, but not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Example one

Referring to the drawings, the utility model provides a technical scheme: the utility model provides a wear-resisting oil casing, includes 1 cup joints in the interior barrel 2 in the drilling rod 1 outside and cup joints in the outer barrel 3 in the interior barrel 2 outside, its characterized in that: a plurality of first wear-resistant rods 4 are uniformly arranged in the inner cavity of the inner cylinder body 2 along the circumferential direction, a plurality of ball grooves are uniformly arranged on one side, close to the center of the inner cylinder body 2, of each first wear-resistant rod 4 along the vertical direction, first balls 401 are arranged in the ball grooves and are in contact with the side wall of the drill rod 1 through the first balls 401, a first ejector block 402 is fixed on the other side of each first wear-resistant rod 4, and the outer side end of each first ejector block 402 is obliquely arranged;

the bottom of outer barrel 3 is established to the open-ended dress, the top is equipped with the end plate, and the center department of end plate is equipped with the circular port, 2 sliding connection of interior barrel in the circular port, and the bottom outside is fixed with annular boss 201, on the circumference side of annular boss 201 and the inside wall bottom of outer barrel 3 all be equipped with a screw section of thick bamboo, and through screw interconnect, the position that corresponds an annular section of thick bamboo on the inside wall of outer barrel 3 evenly is fixed with a plurality of second kicking blocks 303 along the circumferencial direction, the medial extremity slope setting of second kicking block 303, the slope end of second kicking block 303 is fixed with the roof 304 of slope, the inclination of roof 304 is the same with second kicking block 303, and the slope end contact of roof 304 with first kicking block 402 is passed through to second kicking block 303, the contact surface of roof 304 and first kicking block 402 all sets up to the circular conical surface, so that make roof 304 can rotate for first kicking block 402.

Evenly be fixed with a plurality of vertical second wear-resisting poles 301 along the circumferencial direction on the lateral wall of outer barrel 3, evenly be equipped with a plurality of ball grooves along vertical direction on the lateral surface of second wear-resisting pole 301, and be equipped with second ball 302 in the ball groove, outer barrel 3 is through second ball 302 on the second wear-resisting pole 301 and outside pit shaft lateral wall or other pipeline lateral wall structure, friction when reducing the contact to reduce wearing and tearing.

One side that is close to interior barrel 2 center department on first wear-resisting pole 4 is equipped with the recess of V-arrangement, evenly is equipped with a plurality of ball grooves along vertical direction respectively on two sides of recess, and is equipped with first ball 401 in the ball groove, through the recess that sets up the V-arrangement to set up two first balls 401 on same first wear-resisting pole 4 through the recess, increase the contact point figure of first wear-resisting pole 4 and drilling rod 1, improve relative position's stability.

The working principle of the embodiment is as follows: the inner cylinder body 2 and the outer cylinder body 3 are arranged on the outer side of the drill rod 1, so that the drill rod 1 is prevented from being in contact with an external structure and causing abrasion and the like, the abrasion resistance of the drill rod 1 is increased, and the first ball 401 on the first abrasion-resistant rod 4 is in contact with the drill rod 1, so that the friction between the drill rod 1 and the inner cylinder body 2 during movement is reduced, and the abrasion is reduced; after the sleeve is used for a long time, the structures such as the first ball 401 or the drill rod 1 are worn to a certain degree, so that the gap between the first ball 401 and the drill rod 1 is increased, the drilling work is affected, and the like, the outer cylinder 3 can be rotated by rotating the outer cylinder 3 and by the aid of threads on the bottom of the outer cylinder 3 and the annular boss 201, the outer cylinder 3 is driven to rotate, the second ejector block 303 is driven to move downwards, the first ejector block 402 and the first wear-resistant rod 4 are driven to move towards the inner side of the inner cylinder 2 by the second ejector block 303 and the top plate 304, the gap between the first ball 401 and the drill rod 1 is reduced, the top plate 304 is arranged on the second ejector block 303, contact between the first ejector block 402 is increased, and when the second ejector block 303 moves downwards and rotates along with the outer cylinder 3, the contact with the first ejector block 402 can still be kept.

Example two

The structure of this embodiment is basically the same as that of the first embodiment, except that a notch is formed in the side wall of the outer cylinder 3 corresponding to the position of the second ejector block 303, the second ejector block 303 is slidably connected to the notch, the outer end of the second ejector block passes through the notch and is fixedly connected to the inner side of the second wear-resistant rod 301, and the second wear-resistant rod 301 is slidably connected to the outer cylinder 3 through the second ejector block 303 and the notch, so that the second wear-resistant rod 301 can move relative to the outer cylinder 3, and the position of the second wear-resistant rod 301 is adjusted while the position of the first wear-resistant rod 4 is adjusted by rotating the outer cylinder 3, thereby improving the position stability between the inner cylinder 2 and the drill rod 1 and between the outer cylinder 3 and the external structure.

EXAMPLE III

The structure of this embodiment is substantially the same as that of the second embodiment, except that a horizontal second sliding plate 307 is fixed on the top of the inner side wall of the second wear-resistant rod 301, the inner side end of the second sliding plate 307 penetrates through the side wall of the outer cylinder 3 and extends into the outer cylinder 3, a vertical second moving plate 305 is fixed on the top of the extending end, a second spring 306 is connected between the second moving plate 305 and the inner side wall of the outer cylinder 3, and by arranging the second sliding plate 307, the second moving plate 305, the second spring 306 and the like, the connection between the second wear-resistant rod 301 and the outer cylinder 3 is tighter, and the second wear-resistant rod 301 and the outer cylinder 3 are prevented from being separated and the like.

The bottom of the inner side wall of the first wear-resistant rod 4 is fixedly provided with a horizontal first sliding plate 403, the inner side end of the first sliding plate 403 penetrates through the side wall of the inner cylinder 2 and extends out of the inner cylinder 2, the bottom of the extending end is fixedly provided with a vertical first movable plate 404, a first spring 405 is connected between the first movable plate 404 and the outer side wall of the inner cylinder 2, and the first sliding plate 403, the first movable plate 404, the first spring 405 and the like are arranged, so that the first wear-resistant rod 4 is connected with the inner cylinder 2 more tightly, and the first wear-resistant rod 4 is prevented from being separated from the inner cylinder 2 and the like.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a wear-resisting oil casing, includes cup joint in interior barrel (2) in drilling rod (1) outside and cup joints in outer barrel (3) in interior barrel (2) outside, its characterized in that: a plurality of first wear-resistant rods (4) are uniformly arranged in the inner cavity of the inner barrel (2) along the circumferential direction, a plurality of ball grooves are uniformly arranged in one side, close to the center of the inner barrel (2), of each first wear-resistant rod (4) along the vertical direction, first balls (401) are arranged in the ball grooves and are in contact with the side wall of the drill rod (1) through the first balls (401), a first ejector block (402) is fixed to the other side of each first wear-resistant rod (4), and the outer side end of each first ejector block (402) is obliquely arranged;

the bottom of outer barrel (3) is established to the opening dress, and the top is equipped with the end plate, and the center department of end plate is equipped with the circular port, interior barrel (2) sliding connection is in the circular port, and the bottom outside is fixed with annular boss (201), the inside wall bottom of going up and outer barrel (3) of circumference side of annular boss (201) all is equipped with a screw thread section of thick bamboo to through screw thread interconnect, the position that corresponds an annular section of thick bamboo on the inside wall of outer barrel (3) evenly is equipped with a plurality of second kicking blocks (303) along the circumferencial direction, and the medial extremity slope setting of second kicking block (303), the slope end of second kicking block (303) is fixed with roof (304) of slope, and the inclination of roof (304) is the same with second kicking block (303), and the slope end contact of second kicking block (303) through roof (304) and first kicking block (402).

2. The wear-resistant petroleum casing pipe according to claim 1, wherein: evenly be equipped with a plurality of vertical second wear-resisting poles (301) along the circumferencial direction on the lateral wall of outer barrel (3), evenly be equipped with a plurality of ball grooves along vertical direction on the lateral surface of second wear-resisting pole (301), and be equipped with second ball (302) in the ball groove.

3. The wear-resistant petroleum casing pipe according to claim 2, wherein: the position that corresponds second kicking block (303) on the lateral wall of outer barrel (3) is equipped with the notch, second kicking block (303) sliding connection in the notch, and the outside end passes the notch to with the medial surface fixed connection of second wear-resisting pole (301), and second wear-resisting pole (301) through second kicking block (303) and notch and outer barrel (3) sliding connection.

4. The wear-resistant petroleum casing pipe according to claim 3, wherein: the top of the inner side wall of the second wear-resistant rod (301) is fixedly provided with a horizontal second sliding plate (307), the inner side end of the second sliding plate (307) penetrates through the side wall of the outer barrel (3) and extends into the outer barrel (3), a vertical second moving plate (305) is fixedly arranged at the top of the extending end, and a second spring (306) is connected between the second moving plate (305) and the inner side wall of the outer barrel (3).

5. The wear-resistant petroleum casing pipe according to claim 1, wherein: the bottom of the inner side wall of the first wear-resistant rod (4) is fixedly provided with a horizontal first sliding plate (403), the inner side end of the first sliding plate (403) penetrates through the side wall of the inner cylinder (2) and extends out of the inner cylinder (2), a vertical first moving plate (404) is fixedly arranged at the bottom of the extending end, and a first spring (405) is connected between the first moving plate (404) and the outer side wall of the inner cylinder (2).

6. The wear-resistant petroleum casing pipe according to claim 1, wherein: one side of the first wear-resistant rod (4) close to the center of the inner cylinder body (2) is provided with a V-shaped groove, a plurality of ball grooves are uniformly formed in two side faces of the groove along the vertical direction respectively, and first balls (401) are arranged in the ball grooves.