CN216277861U

CN216277861U - Pulser interchange nipple for oil field well

Info

Publication number: CN216277861U
Application number: CN202220543931.6U
Authority: CN
Inventors: 张武勇; 张全成; 张耀强; 刘海涛; 王中华; 郑长河; 覃晓东
Original assignee: Dongying Hongde Petroleum Equipment Co ltd
Current assignee: Dongying Hongde Petroleum Equipment Co ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-04-12
Anticipated expiration: 2032-03-14

Abstract

The utility model discloses a pulser interchange nipple for an oil field well, which relates to the technical field of oil field well drilling and comprises a first pipe body and a second pipe body, wherein one ends of the first pipe body and the second pipe body are respectively connected with a connecting pipe, threads are arranged on the peripheral side of the connecting pipe, the inner side wall of the first pipe body is fixedly connected with a first positioning plate, the inner side wall of the second pipe body is fixedly connected with a second positioning plate, and a buffer spring is connected between the first positioning plate and the second positioning plate. According to the utility model, the buffer spring, the buffer tube and the buffer groove are arranged, so that the buffer property between the first tube body and the second tube body is improved, the short section is protected from being damaged or broken due to huge impact force, and the short section is more durable.

Description

Pulser interchange nipple for oil field well

Technical Field

The utility model belongs to the technical field of oil field drilling, and particularly relates to a pulser interchange nipple for an oil field well.

Background

The existing wireless inclinometer at home and abroad continues to use the damping mode of a magnetic suspension inclinometer short joint: namely, a single rubber buffer is adopted in the axial direction of the inclination measuring short joint body; because the inclinometer is tightly followed by the drill bit in construction, the working condition is extremely severe, and the inclinometer is almost in the environment of high temperature, strong vibration and large impact for a long time; therefore, the pulser interchange nipple for the oil field well is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pulser interchange nipple for an oil field well, which solves the problem that the existing nipple is broken due to the fact that an inclinometer follows a drill bit tightly in construction and is likely to fail under strong vibration, particularly under the condition of large impact in the environment of high temperature, strong vibration and large impact.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a pulser interchange nipple for an oil field well, which comprises a first pipe body and a second pipe body, wherein one ends of the first pipe body and the second pipe body are respectively connected with a connecting pipe, threads are arranged on the peripheral side of each connecting pipe, an inner pipe is arranged on the inner side wall of the first pipe body, a first positioning plate is fixedly connected to the inner side wall of the inner pipe, a second positioning plate is fixedly connected to the inner side wall of the second pipe body, a buffer spring is connected between the first positioning plate and the second positioning plate, the buffer spring improves the buffer property between the first pipe body and the second pipe body, and the nipple is protected from being damaged or broken due to huge impact force.

Furthermore, a through hole penetrates through one side wall of the second positioning plate, a limiting column is fixedly connected to one surface of the first positioning plate, the limiting column is in sliding fit with the through hole, and the limiting column is matched with the through hole to improve the stability of the buffer spring during buffering.

Further, a plurality of buffer tubes are fixedly connected to one side wall of the first pipe body, a plurality of buffer grooves penetrate through one side wall of the second pipe body, the buffer grooves are in sliding fit with the buffer tubes, the buffer tubes are matched with the buffer grooves to perform auxiliary buffering, and meanwhile, the connectivity between the two pipe bodies is improved.

Furthermore, an auxiliary spring is connected between the buffer groove and the buffer tube, and the auxiliary spring improves the buffer effect.

Further, the connecting groove has been run through to the dashpot inside wall, fixedly connected with connecting rod between inner tube and the buffer tube, connecting rod and connecting groove sliding fit, connecting rod promote the connectivity between first body and the second body.

Further, a ring groove is further formed in one side wall of the first pipe body, a buffer ring is fixedly connected to one side wall of the second pipe body, and the buffer ring is in sliding fit with the ring groove.

Furthermore, a plurality of vent holes penetrate through one surface of the second positioning plate, and anti-skid grains are arranged on the peripheral side surfaces of the first pipe body and the second pipe body.

The utility model has the following beneficial effects:

according to the utility model, the buffer spring is arranged, so that the buffer property between the first pipe body and the second pipe body is improved, and the short section is protected from being damaged or broken due to huge impact force; the stability of the buffer spring during buffering is improved by arranging the limiting columns to match with the through holes; through arranging the buffer tube and the buffer groove, auxiliary buffering is carried out, and meanwhile, the connectivity between the two tube bodies is improved; the buffering effect is improved by arranging an auxiliary spring; the buffer ring and the ring groove are arranged, so that the stability between the two pipe bodies is better; and the vent holes are arranged to discharge gas generated by the buffer tube.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

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 the drawings without creative efforts.

FIG. 1 is a schematic isometric view of an interchangeable sub for an oilfield pulser;

FIG. 2 is a schematic top view of an interchangeable sub of the pulser for an oil field well;

FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 2;

FIG. 4 is a partial enlarged view of portion B of FIG. 3;

FIG. 5 is a front view of an interchangeable sub of the pulser for oil field wells.

In the drawings, the components represented by the respective reference numerals are listed below: 1. a first pipe body; 2. a second tube body; 3. a connecting pipe; 4. anti-skid lines; 5. an inner tube; 6. a first positioning plate; 7. a second positioning plate; 8. a buffer spring; 9. a limiting column; 10. a through hole; 11. a buffer tube; 12. a buffer tank; 13. an auxiliary spring; 14. a buffer ring; 15. a ring groove; 16. connecting grooves; 17. a connecting rod; 18. and (4) a vent hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate orientations or positional relationships, are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-5, the pulser interchange nipple for the oil field well comprises a first pipe body 1 and a second pipe body 2, wherein one ends of the first pipe body 1 and the second pipe body 2 are both connected with a connecting pipe 3, threads are arranged on the peripheral side of the connecting pipe 3, an inner pipe 5 is arranged on the inner side wall of the first pipe body 1, a first positioning plate 6 is fixedly connected to the inner side wall of the inner pipe 5, a second positioning plate 7 is fixedly connected to the inner side wall of the second pipe body 2, a buffer spring 8 is connected between the first positioning plate 6 and the second positioning plate 7, and the buffer spring 8 improves the buffer property between the first pipe body 1 and the second pipe body 2, so that the nipple is protected from being damaged or broken due to huge impact force.

A through hole 10 penetrates through one side wall of the second positioning plate 7, a limiting column 9 is fixedly connected to one surface of the first positioning plate 6, the limiting column 9 is in sliding fit with the through hole 10, and the stability of the buffer spring 8 during buffering is improved by matching the limiting column 9 with the through hole 10; a plurality of buffer tubes 11 are fixedly connected to one side wall of the first tube body 1, a plurality of buffer grooves 12 penetrate through one side wall of the second tube body 2, the buffer grooves 12 are in sliding fit with the buffer tubes 11, the buffer tubes 11 are matched with the buffer grooves 12 for auxiliary buffering, and meanwhile, the connectivity between the two tube bodies is improved; an auxiliary spring 13 is connected between the buffer groove 12 and the buffer tube 11, and the auxiliary spring 13 improves the buffer effect.

The inside wall of buffer slot 12 runs through there is spread groove 16, fixedly connected with connecting rod 17 between inner tube 5 and the buffer tube 11, connecting rod 17 and spread groove 16 sliding fit, and connecting rod 17 promotes the connectivity between first body 1 and the second body 2.

A ring groove 15 is further formed in one side wall of the first pipe body 1, a buffer ring 14 is fixedly connected to one side wall of the second pipe body 2, and the buffer ring 14 is in sliding fit with the ring groove 15; a plurality of vent holes 18 are arranged on one surface of the second positioning plate 7, and anti-skid grains 4 are arranged on the peripheral side surfaces of the first pipe body 1 and the second pipe body 2.

The embodiment shown in fig. 1-5 is a method for using an interchangeable pup joint of a pulser for an oil field well: a buffer spring 8 is connected between the first positioning plate 6 and the second positioning plate 7, when strong vibration occurs, the buffer spring 8 improves the buffer property between the first pipe body 1 and the second pipe body 2, the protective short section is damaged or broken due to huge impact force, a limiting column 9 is in sliding fit with a through hole 10, the limiting column 9 is in sliding fit with the through hole 10 to improve the stability of the buffer spring 8 during buffering, a buffer groove 12 is in sliding fit with a buffer tube 11, the buffer tube 11 is in auxiliary buffering in cooperation with the buffer groove 12, a connecting rod 17 is in sliding fit with a connecting groove 16, the connecting rod 17 improves the connectivity between the first pipe body 1 and the second pipe body 2, and a buffer ring 14 is in sliding fit with an annular groove 15; the vent 18 vents gas.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to 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 utility model. 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 utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model 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 utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a nipple joint is exchanged to pulser for oil field well, includes first body (1) and second body (2), its characterized in that: first body (1) and second body (2) one end all are connected with connecting pipe (3), connecting pipe (3) week side is provided with the screw thread, first body (1) inside wall is provided with inner tube (5), first locating plate (6) of inner tube (5) inside wall fixedly connected with, second body (2) inside wall fixedly connected with second locating plate (7), be connected with buffer spring (8) between first locating plate (6) and second locating plate (7).

2. The pulser interchange nipple for the oil field well according to claim 1, wherein a through hole (10) penetrates through a side wall of the second positioning plate (7), a limiting column (9) is fixedly connected to one surface of the first positioning plate (6), and the limiting column (9) is in sliding fit with the through hole (10).

3. The pulser interchange nipple for oil field wells according to claim 1, wherein a plurality of buffer tubes (11) are fixedly connected to a side wall of said first tubular body (1), a plurality of buffer grooves (12) are formed through a side wall of said second tubular body (2), and said buffer grooves (12) are slidably fitted with said buffer tubes (11).

4. The interchangeable sub for pulsers for oil wells according to claim 3, characterized in that an assist spring (13) is connected between said buffer groove (12) and said buffer tube (11).

5. The pulser interchange nipple for oil field wells according to claim 3, wherein a connecting groove (16) penetrates through the inner side wall of the buffer groove (12), a connecting rod (17) is fixedly connected between the inner tube (5) and the buffer tube (11), and the connecting rod (17) is in sliding fit with the connecting groove (16).

6. The pulser interchange nipple for oil field wells according to claim 1, wherein a side wall of said first pipe body (1) is further provided with an annular groove (15), a side wall of said second pipe body (2) is fixedly connected with a buffer ring (14), and said buffer ring (14) is slidably fitted with said annular groove (15).

7. The pulser interchange nipple for oil field wells according to claim 1, wherein a plurality of vent holes (18) are formed through one surface of the second positioning plate (7), and the circumferential sides of the first pipe body (1) and the second pipe body (2) are provided with anti-skid threads (4).