CN210829115U

CN210829115U - Casing wear-resistant joint for petroleum drilling

Info

Publication number: CN210829115U
Application number: CN201922021832.2U
Authority: CN
Inventors: 王超
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-06-23
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses a casing pipe anti-abrasion joint for petroleum drilling, the lateral wall of the main body of the connector is evenly provided with a groove, the inside of the groove is provided with a rod body, the two ends of the rod body are all welded with connecting rods, the two ends of the rod body are rotatablely connected with the upper side and the lower side of the groove through the connecting rods, the bottom lateral wall of the groove is positioned in the main body of the connector and is evenly provided with a first groove body, the outside of the main body of the connector is additionally provided with a plurality of rod bodies, thereby avoiding direct abrasion of the joint, prolonging the service life of the joint, when the rod bodies contact the well wall, the rod bodies are driven by the connecting rods to rotate, the drilling torque is increased, the friction resistance is reduced, the drilling pressure and the torque transmission are facilitated, the mechanical drilling speed is improved, when the well wall contacted by the, the spring can make the spheroid continue to contact the body of rod and rotate with the body of rod cooperation, improves drilling speed, and the continuation of the drilling operation of being convenient for goes on.

Description

Casing wear-resistant joint for petroleum drilling

Technical Field

The utility model relates to an oil drilling technical field specifically is a sleeve pipe abrasionproof connects for oil drilling.

Background

The petroleum drilling is a system engineering which uses petroleum drilling equipment to drill from the ground along a designed track through a plurality of sets of stratums to reach a preset target stratum to form a stable channel, namely an oil-gas well, for extracting or injecting oil gas required fluid, and completes coring, logging and testing work during the drilling process and after the drilling is finished, so as to obtain various information required by exploration, development and drilling. In order to safely and quickly complete the drilling task of a well, well drilling design must be carefully made before construction. The well drilling design usually comprises two parts of a well drilling geological design and a well drilling engineering design, wherein the well drilling engineering design comprises a process technology design, a construction period design, a well drilling cost budget and the like, a well drilling tool is required in the well drilling work, the basic point of the casing well drilling process is that a conventional drill pipe is eliminated, and a casing pipe is used for replacing the drill pipe, so that the main well drilling method is realized, wherein the petroleum casing pipe is a steel pipe for supporting the wall of an oil well and a gas well, and the normal operation of the whole oil well after the well drilling process and the well completion. Each well uses several layers of casing depending on the drilling depth and geological conditions. After the casing is put into the well, the casing is cemented by cement, which is different from an oil pipe and a drill rod and can not be reused and belongs to a disposable consumable material, so the consumption of the casing accounts for more than 70 percent of the total oil well pipe, in the process of oil drilling, a casing joint is required for connection between the casings, the diameter of the casing joint is generally larger than that of the casing, and during the drilling operation, the casing joint can generate friction with the well wall, so that the drilling torque and the friction resistance are increased, the joint abrasion can be caused by long-time work, and the connection between the casings is easy to be unstable once the joint is seriously abraded, the casing connection is easy to be disconnected, and the normal work is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a casing pipe abrasionproof connects for oil drilling to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sleeve pipe abrasionproof connects for oil drilling, includes the connector main part, the lateral wall of connector main part has evenly seted up the recess, the inside of recess is equipped with the body of rod, the connecting rod has all been welded at the both ends of the body of rod, the both ends of the body of rod are passed through the connecting rod with the upper and lower both sides of recess are rotated and are connected, the bottom side wall of recess is located first cell body has evenly been seted up to the inside of connector main part, the inside of first cell body is equipped with the connecting block, first cell body is close to spacing hole has been seted up to one side of the body of rod, the connecting block is close to one side in spacing hole is equipped with the.

As further preferable in the present technical solution: first cell body is kept away from the second cell body has been seted up to one side of the body of rod, the second cell body is located the inside of connector main part, the inside sliding connection of second cell body has the slider, the bracing piece is kept away from the one end of connecting block runs through in proper order the surface of first cell body with the surface of second cell body with slider fixed connection.

As further preferable in the present technical solution: the lateral wall of bracing piece has cup jointed the spring, spring one end with the fixed surface of connecting block is connected, the other end fixed connection of spring in the inside wall of first cell body.

As further preferable in the present technical solution: and the inner side wall of the limiting hole is uniformly connected with a ball in a rolling manner.

As further preferable in the present technical solution: the second connector has been seted up to the one end of connector main part, the inside wall of second connector is equipped with the screw thread.

As further preferable in the present technical solution: the connector main part is kept away from the first connector of one end fixedly connected with of second connector, the lateral wall of first connector is equipped with the screw thread.

Compared with the prior art, the beneficial effects of the utility model are that: through add a plurality of body of rod in the outside of connector main part, thereby avoid direct wearing and tearing to connect, thereby the life who connects has been improved, it is rotatory to drive the body of rod through the connecting rod when the body of rod contacts the wall of a well, make the drilling moment of torsion obtain increasing, frictional resistance obtains reducing, be favorable to weight of a bit and moment of torsion transmission, improve the mechanical drilling speed, when the wall of a well of body contact is uneven, the wall of a well can produce the collision to the body of rod, the body of rod produces the deformation easily, the spring can make the spheroid continue to contact the body of rod and body of rod cooperation rotation, improve drilling speed, the continuation of the.

Drawings

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

fig. 2 is a schematic view of the structure of the present invention;

FIG. 3 is an enlarged schematic view of the area A of FIG. 1 according to the present invention;

fig. 4 is an enlarged schematic view of the area B in fig. 3 according to the present invention.

In the figure: 1. a connector main body; 2. a first connector; 3. a second connector; 4. a groove; 5. a rod body; 6. a connecting rod; 7. a first tank body; 8. a limiting hole; 9. a sphere; 10. connecting blocks; 11. a support bar; 12. a spring; 13. a second tank body; 14. a slider; 15. and a ball.

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. 1-4, the present invention provides a technical solution: the utility model provides a sleeve pipe abrasionproof connects for oil drilling, including connector main part 1, recess 4 has evenly been seted up to the lateral wall of connector main part 1, the inside of recess 4 is equipped with the body of rod 5, connecting rod 6 has all been welded at the both ends of the body of rod 5, connecting rod 6 and recess 4's upper and lower both sides are passed through to the both ends of the body of rod 5 and are rotated and be connected, first cell body 7 has evenly been seted up to the inside that recess 4's bottom side wall is located connector main part 1, the inside of first cell body 7 is equipped with connecting block 10, spacing hole 8 has been seted up to one side that first cell body 7 is close to the body of rod 5, one side that connecting block 10 is.

In this embodiment, specifically: a second groove body 13 is formed in one side, away from the rod body 5, of the first groove body 7, the second groove body 13 is located inside the connector main body 1, a sliding block 14 is connected inside the second groove body 13 in a sliding mode, and one end, away from the connecting block 10, of the supporting rod 11 penetrates through the surface of the first groove body 7 and the surface of the second groove body 13 in sequence and is fixedly connected with the sliding block 14; through above setting, the body of rod 5 can drive spheroid 9 rotatory when the surface of the wall of a well is rotatory, can produce the effort to spheroid 9 when the body of rod 5 is extruded by hard thing, makes spheroid 9 promote connecting block 10, and bracing piece 11 extrudees slider 14 and slides in second cell body 13 is inside.

In this embodiment, specifically: the outer side wall of the support rod 11 is sleeved with a spring 12, one end of the spring 12 is fixedly connected with the surface of the connecting block 10, and the other end of the spring 12 is fixedly connected with the inner side wall of the first groove body 7; through the arrangement, the spring 12 can enable the ball 9 to continuously contact the rod body 5 to rotate in a matched mode with the rod body 5, and the drilling speed is improved.

In this embodiment, specifically: the inner side wall of the limiting hole 8 is uniformly connected with a ball 15 in a rolling way; with the above arrangement, the rotation efficiency of the ball 9 can be enhanced.

In this embodiment, specifically: a second connector 3 is arranged at one end of the connector main body 1, and the inner side wall of the second connector 3 is provided with screw threads

In this embodiment, specifically: one end of the connector main body 1, which is far away from the second connector 3, is fixedly connected with a first connector 2, and the outer side wall of the first connector 2 is provided with threads; through the above arrangement, the sleeves are connected with the connector main body 1 through the second connector 3 and the first connector 2.

Theory of operation or structure, in use, be connected the sleeve pipe through the both ends of connector main part 1, a plurality of body of rod 5 is add in the outside of connector main part 1, avoid direct wear joint, thereby the life who connects has been improved, it is rotatory to drive the body of rod 5 through connecting rod 6 when the body of rod 5 contacts the wall of a well, make the drilling moment of torsion obtain increasing, frictional resistance obtains reducing, be favorable to the weight of boring and the transmission of moment of torsion, improve mechanical drilling speed, when the wall of a well of the 5 contact of the body of rod is uneven, the wall of a well can produce the collision to the body of rod 5, the body of rod 5 produces the deformation easily, spring 12 can make spheroid 9 continue to contact the body of rod 5 and body of rod 5 cooperation rotation.

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 a casing abrasionproof connects for oil drilling, includes connector main part (1), its characterized in that: the utility model discloses a connector, including connector main part (1), connecting rod (7), connecting rod (6) and recess (4), the lateral wall of connector main part (1) evenly sets up fluted (4), the inside of recess (4) is equipped with the body of rod (5), connecting rod (6) are passed through at the both ends of the body of rod (5) the upper and lower both sides of recess (4) are rotated and are connected, the base lateral wall of recess (4) is located first cell body (7) have evenly been seted up to the inside of connector main part (1), the inside of first cell body (7) is equipped with connecting block (10), first cell body (7) are close to spacing hole (8) have been seted up to one side of the body of rod (5), connecting block (10) are close to one side of spacing hole (8) is equipped with spheroid (9), connecting block (10) are kept.

2. The wear joint of claim 1, wherein: keep away from first cell body (7) second cell body (13) have been seted up to one side of the body of rod (5), second cell body (13) are located the inside of connector main part (1), the inside sliding connection of second cell body (13) has slider (14), bracing piece (11) are kept away from the one end of connecting block (10) runs through in proper order the surface of first cell body (7) with the surface of second cell body (13) with slider (14) fixed connection.

3. The wear joint of claim 1, wherein: the outer side wall of the supporting rod (11) is sleeved with a spring (12), one end of the spring (12) is fixedly connected with the surface of the connecting block (10), and the other end of the spring (12) is fixedly connected with the inner side wall of the first groove body (7).

4. The wear joint of claim 1, wherein: the inner side wall of the limiting hole (8) is uniformly connected with a ball (15) in a rolling manner.

5. The wear joint of claim 1, wherein: the second connector (3) is arranged at one end of the connector main body (1), and threads are arranged on the inner side wall of the second connector (3).

6. The wear joint of claim 5, wherein: keep away from connector main part (1) the first connector (2) of one end fixedly connected with of second connector (3), the lateral wall of first connector (2) is equipped with the screw thread.