CN213016222U

CN213016222U - Length-adjustable tubing string nipple for oil and gas well

Info

Publication number: CN213016222U
Application number: CN202021903152.XU
Authority: CN
Inventors: 钟涛; 李鹏; 丛鹏飞; 肖胜滨; 郭庆超; 王凯
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-04-20
Anticipated expiration: 2030-09-03

Abstract

The utility model belongs to the technical field of oil and gas wells, in particular to a length-adjustable underground pipe column short joint for an oil and gas well, which comprises a first connecting pipe and a second connecting pipe, wherein the surface of the first connecting pipe is fixedly connected with a fixed box, and the surface of the second connecting pipe is fixedly connected with a connecting plate; this adjustable length oil gas well tubular column nipple joint in pit, through fixed case, the gag lever post, carousel and screwed pipe, when people need remove the second connecting pipe, people only need through rotating the carousel, thereby can drive the pivot and rotate, can drive the screw thread post simultaneously and rotate, under the interact of screw thread post and screwed pipe, thereby the screwed pipe can with the spacing groove phase separation, and then the gag lever post can remove, can remove the second connecting pipe simultaneously, at fixed case, the gag lever post, under the interact of carousel and screwed pipe, thereby people are more convenient when removing the second connecting pipe, and then people's work efficiency has been improved.

Description

Length-adjustable tubing string nipple for oil and gas well

Technical Field

The utility model belongs to the technical field of the oil gas well, concretely relates to adjustable length oil gas well tubular column nipple joint in pit.

Background

In the process of drilling, completing and repairing complex oil and gas wells such as branch wells and the like, the length of an underground pipe column is frequently required to be finely adjusted on a construction operation site, and the finely adjusted length is unpredictable in advance and needs to be adjusted according to specific working conditions, so that the lengths of the extension pipes with various lengths are required to be prepared on part of the operation site, the cost of construction operation is increased, only one of the lengths can be used in actual construction, and resources are wasted. In addition, the lengths of the length-adjusting short pipes with different lengths prepared in advance are also determined, and the specific adjustment within a smaller range can not be carried out on site any more.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides an adjustable length oil gas well tubular column nipple joint in pit has the characteristics of being convenient for adjust.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an adjustable length oil gas well tubular column nipple joint in pit, includes first connecting pipe and second connecting pipe, first connecting pipe fixed surface is connected with fixed case, second connecting pipe fixed surface is connected with the connecting plate, connecting plate fixed surface is connected with the gag lever post, the through-hole has been seted up on fixed case surface, the through-hole is total two, and the symmetry is seted up on fixed case surface, gag lever post one end sets up in the through-hole, the bearing is worn to be equipped with on fixed case surface, wear to be equipped with the pivot in the bearing, pivot one end fixedly connected with carousel.

As a further aspect of the present invention: the other end of the rotating shaft is fixedly connected with a threaded column, the surface of the threaded column is in threaded connection with a threaded pipe, and the inner wall of the fixed box is fixedly connected with a sliding rod.

As a further aspect of the present invention: the sliding rod surface sliding connection has the sliding sleeve, sliding sleeve other end fixed connection is on the screwed pipe surface, the sliding sleeve is total even, and symmetrical connection is on the screwed pipe surface.

As a further aspect of the present invention: the limiting groove has been seted up on the gag lever post surface, the screwed pipe other end and spacing groove phase-match, the gag lever post is total a plurality ofly, and sets gradually on the gag lever post surface.

As a further aspect of the present invention: the limiting rod is characterized in that the surface of the limiting rod is provided with a sliding groove, a sliding block is connected in the sliding groove in a sliding mode, and the other end of the sliding block is fixedly connected to the inner wall of the through hole.

As a further aspect of the present invention: the sealing gasket is fixedly connected to the surface of the second connecting pipe, the clamping groove is formed in the inner wall of the first connecting pipe, the sealing gasket is matched with the clamping groove, the sealing gasket is multiple in number, and the sealing gasket is sequentially and fixedly connected to the surface of the second connecting pipe.

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

1. this adjustable length oil gas well tubular column nipple joint in pit, through fixed case, the gag lever post, carousel and screwed pipe, when people need remove the second connecting pipe, people only need through rotating the carousel, thereby can drive the pivot and rotate, can drive the screw thread post simultaneously and rotate, under the interact of screw thread post and screwed pipe, thereby the screwed pipe can with the spacing groove phase separation, and then the gag lever post can remove, can remove the second connecting pipe simultaneously, at fixed case, the gag lever post, under the interact of carousel and screwed pipe, thereby people are more convenient when removing the second connecting pipe, and then people's work efficiency has been improved.

2. This tubular column nipple joint in adjustable length oil gas well is through setting up slide bar and sliding sleeve, when the screwed pipe removed, under the interact of slide bar and sliding sleeve to the screwed pipe can the directional removal, and then takes place the skew when having avoided the screwed pipe to remove.

3. This adjustable length oil gas well tubular column nipple joint in pit through sealed pad and draw-in groove to can seal the coupling part of first connecting pipe and second connecting pipe, and then avoid the gaseous emergence of first connecting pipe and second connecting pipe to leak.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a front view section of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a schematic structural diagram of a middle three-dimensional structure of the present invention;

in the figure: 1. a first connecting pipe; 2. a second connecting pipe; 3. a fixed box; 4. a connecting plate; 5. a limiting rod; 6. a through hole; 7. a bearing; 8. a rotating shaft; 9. a turntable; 10. a threaded post; 11. a threaded pipe; 12. a slide bar; 13. a sliding sleeve; 14. a limiting groove; 15. a chute; 16. a slider; 17. a gasket; 18. a clamping groove.

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.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides an adjustable length oil gas well tubular column nipple joint in pit, including first connecting pipe 1 and second connecting

pipe

2, 1 fixed surface of first connecting pipe is connected with fixed

case

3, 2 fixed surface of second connecting pipe are connected with connecting plate 4, 4 fixed surface of connecting plate are connected with gag lever post 5, through-hole 6 has been seted up on 3 surfaces of fixed case, through-hole 6 is total two, and the symmetry is seted up on 3 surfaces of fixed case, 5 one end settings of gag lever post are in through-hole 6, bearing 7 is worn to be equipped with on 3 surfaces of fixed case, wear to be equipped with pivot 8 in the bearing 7, 8 one end fixedly connected with carousels 9 of pivot.

Specifically, the other end of the rotating shaft 8 is fixedly connected with a threaded column 10, the surface of the threaded column 10 is in threaded connection with a threaded pipe 11, and the threaded pipe 11 passes through the fixed box 3, the limiting rod 5, the rotary table 9 and the threaded pipe 11, when a person needs to move the second connection tube 2, the person only needs to rotate the rotary disc 9, thereby driving the rotating shaft 8 to rotate and simultaneously driving the threaded column 10 to rotate, under the interaction of the threaded stud 10 and the threaded pipe 11, the threaded pipe 11 is separated from the limit groove 14, and the limit rod 5 is moved, and at the same time, the second connection pipe 2 is moved, under the interact of fixed case 3, gag lever post 5, carousel 9 and screwed pipe 11 to people are more convenient when removing second connecting pipe 2, and then have improved people's work efficiency, fixed 3 inner wall fixedly connected with slide bar 12 of case.

Specifically, the sliding rod 12 is connected with the sliding sleeve 13 in a sliding manner, and by arranging the sliding rod 12 and the sliding sleeve 13, when the threaded pipe 11 moves, under the interaction of the sliding rod 12 and the sliding sleeve 13, the threaded pipe 11 can move directionally, so that the threaded pipe 11 is prevented from shifting when moving, the other end of the sliding sleeve 13 is fixedly connected to the surface of the threaded pipe 11, and the sliding sleeve 13 is connected in a total manner and is symmetrically connected to the surface of the threaded pipe 11.

Specifically, the surface of the limiting rod 5 is provided with a limiting groove 14, the other end of the threaded pipe 11 is matched with the limiting groove 14, and the limiting grooves 14 are a plurality of in total and are sequentially arranged on the surface of the limiting rod 5.

Specifically, the surface of the limiting rod 5 is provided with a sliding groove 15, the sliding groove 15 is internally and slidably connected with a sliding block 16, and the other end of the sliding block 16 is fixedly connected with the inner wall of the through hole 6.

Specifically, 2 fixed surface of second connecting pipe are connected with sealed pad 17, draw-in groove 18 has been seted up to 1 inner wall of first connecting pipe, through sealed pad 17 and draw-in groove 18, thereby can seal the coupling part of first connecting pipe 1 and second connecting pipe 2, and then avoided the gas emergence in first connecting pipe 1 and the second connecting pipe 2 to leak, sealed pad 17 and draw-in groove 18 phase-match, sealed pad 17 is total a plurality ofly, and fixed connection is in proper order on 2 surfaces of second connecting pipe.

The utility model discloses a theory of operation does:

s1, when the device is used, the device is firstly placed at a proper position, and when people need to move the second connecting pipe 2, people only need to rotate the turntable 9, so that the rotating shaft 8 can be driven to rotate, and meanwhile, the threaded column 10 can be driven to rotate;

s2, secondly, under the interaction between the threaded post 10 and the threaded pipe 11, the threaded pipe 11 is separated from the limit groove 14, and the limit rod 5 is moved, and the second connection pipe 2 can be moved at the same time;

s3, then people rotate the rotary table 9, and then the threaded pipe 11 can be matched with the limiting groove 14, and then the limiting rod 5 can be limited, and meanwhile the second connecting pipe 2 is limited.

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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an adjustable length oil gas well tubular column nipple joint in pit, includes first connecting pipe (1) and second connecting pipe (2), its characterized in that: first connecting pipe (1) fixed surface is connected with fixed case (3), second connecting pipe (2) fixed surface is connected with connecting plate (4), connecting plate (4) fixed surface is connected with gag lever post (5), through-hole (6) have been seted up on fixed case (3) surface, through-hole (6) are total two, and the symmetry is seted up on fixed case (3) surface, gag lever post (5) one end sets up in through-hole (6), bearing (7) are worn to be equipped with on fixed case (3) surface, wear to be equipped with pivot (8) in bearing (7), pivot (8) one end fixedly connected with carousel (9).

2. The adjustable length tubing string sub for oil and gas wells according to claim 1, wherein: the other end of the rotating shaft (8) is fixedly connected with a threaded column (10), the surface of the threaded column (10) is in threaded connection with a threaded pipe (11), and the inner wall of the fixed box (3) is fixedly connected with a sliding rod (12).

3. The adjustable length tubing string sub for oil and gas wells according to claim 2, wherein: sliding rod (12) surface sliding connection has sliding sleeve (13), sliding sleeve (13) other end fixed connection is in screwed pipe (11) surface, sliding sleeve (13) are total even, and symmetrical connection is on screwed pipe (11) surface.

4. The adjustable length tubing string sub for oil and gas wells according to claim 3, wherein: spacing groove (14) have been seted up on gag lever post (5) surface, screwed pipe (11) other end and spacing groove (14) phase-match, gag lever post (5) surface is seted up in proper order to spacing groove (14) a plurality of totally.

5. The adjustable length tubing string sub for oil and gas wells according to claim 1, wherein: the limiting rod is characterized in that a sliding groove (15) is formed in the surface of the limiting rod (5), a sliding block (16) is connected in the sliding groove (15) in a sliding mode, and the other end of the sliding block (16) is fixedly connected to the inner wall of the through hole (6).

6. The adjustable length tubing string sub for oil and gas wells according to claim 1, wherein: second connecting pipe (2) fixed surface is connected with sealed pad (17), draw-in groove (18) have been seted up to first connecting pipe (1) inner wall, sealed pad (17) and draw-in groove (18) phase-match, sealed pad (17) are total a plurality of, and fixed connection is on second connecting pipe (2) surface in proper order.