Bolt type check ring for oil casing

Abstract

The utility model provides a bolt type check ring for a petroleum casing pipe, which belongs to the technical field of petroleum casing pipes and comprises a left half ring, a right half ring is arranged on one side of the left half ring, bent arc plates are arranged at one end of the left half ring and one end of the right half ring, a first perforated plate is arranged on the side portion of the bent arc plate on the side of the left half ring, and a second perforated plate is arranged on the side portion of the right half ring. A second perforated plate is arranged on the side portion of the bent arc plate on the side of the right half ring, the other end of the left half ring and the other end of the right half ring are fixedly connected with perforated blocks, hexagon socket screws are arranged in the perforated blocks, and triangular grooves are formed in the other end of the left half ring and the other end of the right half ring. By arranging the inserting shaft, the inserting shaft can be combined with the first perforated plate and the second perforated plate, the left half ring and the right half ring are movably combined through a simple structure, during mass transportation, the transportation cost is reduced, the installation process is easier through the simple structure, the left half ring and the right half ring are combined through the inserting shaft, the first perforated plate and the second perforated plate, and the transportation efficiency is improved. And on-site installation workers can quickly complete assembly and installation of the check ring.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of petroleum casing, specifically to a bolt type stop ring for petroleum casing. BACKGROUND

[0002] The petroleum casing stop ring is an important part of the petroleum exploitation equipment, is usually installed on the petroleum casing column, the specific position is near the casing coupling, the main function of the stop ring is to limit or prevent the axial movement of the casing column in the well, in the petroleum exploitation process, the casing needs to be deeply into the underground oil layer, and various complex forces are borne, the casing is ensured to keep stable in the predetermined position.

[0003] The existing stop ring structure is complex, the material is more at the same time when the cost is higher, when a large number of transportation, the transportation cost is also higher. UTILITY MODEL CONTENTS

[0004] In order to make up for the above insufficient, the utility model provides a kind of bolt type stop ring for petroleum casing to overcome the above technical problems or at least partially solve the above problems.

[0005] The utility model is realized as follows:

[0006] The utility model provides a kind of bolt type stop ring for petroleum casing, including left half ring, the left half ring one side is equipped with right half ring, the left half ring and the right half ring one end are equipped with bending arc plate, the bending arc plate side of left half ring side is equipped with first aperture plate, the bending arc plate side of right half ring side is equipped with second aperture plate, the other end of left half ring and right half ring is fixedly connected with aperture block, the aperture block is equipped with internal hexagon bolt, the other end of left half ring and right half ring is equipped with triangular groove.

[0007] In an embodiment of the utility model, the internal hexagon bolt is threadedly connected with the aperture block of right half ring, and the internal hexagon bolt is sleeved with the aperture block of left half ring.

[0008] In an embodiment of the utility model, the aperture of first aperture plate and second aperture plate is inserted with plug shaft.

[0009] In an embodiment of the utility model, the internal hexagon bolt is threadedly connected with the aperture block of right half ring, and the internal hexagon bolt is sleeved with the aperture block of left half ring.

[0010] In an embodiment of the utility model, the internal hexagon bolt is threadedly connected with the aperture block of right half ring, and the internal hexagon bolt is sleeved with the aperture block of left half ring.

[0011] In an embodiment of the utility model, the internal hexagon bolt is threadedly connected with the aperture block of right half ring, and the internal hexagon bolt is sleeved with the aperture block of left half ring.

[0012] The utility model provides a kind of bolt type stop ring for petroleum casing, its beneficial effect includes:

[0013] 1, by setting plug shaft, plug shaft can be combined first aperture plate and second aperture plate, with simple structure, left half ring and right half ring are movably combined, realize simple structure stable installation, while less material, when a large quantity of transport, reduce transportation cost, simple structure makes installation process more easily, combined plug shaft, first aperture plate and second aperture plate to combine left half ring and right half ring, this installation mode does not need complex tool and professional technical personnel, site installation worker can quickly complete the assembly and installation of stop ring, reduces installation time and manpower cost.

[0014] 2, by setting inner hexagonal bolt, combined with aperture block, can be completed on site during installation by only inner hexagonal wrench, process is simple, during the use cycle of equipment, maintenance is indispensable link, and the stop ring of simple structure is more convenient during maintenance.If some component appears damage, since structure is simple and easy to understand, maintenance personnel can more easily find the problem and repair, and replacement component will be relatively simple, need not to disassemble and reassemble to whole complex structure, reduce equipment maintenance cost and downtime to a certain extent, improve the service life and use efficiency of equipment. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be simply introduced to the drawing needed to be used in the embodiment, it should be understood that the following drawings only show some embodiments of the utility model, therefore should not be regarded as the limitation to the scope, for ordinary skilled person in the art, under the premise of not paying creative labor, other related drawings can also be obtained according to these drawings.

[0016] Figure 1 It is the structure schematic diagram provided by the embodiment of the utility model;

[0017] Figure 2 It is the perspective view provided by the embodiment of the utility model;

[0018] Figure 3 It is the front view provided by the embodiment of the utility model;

[0019] Figure 4 It is the side view provided by the embodiment of the utility model.

[0020] In the drawing: 1, left half ring;2, right half ring;201, triangular groove;3, curved plate;301, first aperture plate;302, second aperture plate;4, plug shaft;5, aperture block;6, inner hexagonal bolt;7, structure ring;8, hexagonal nut. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below with reference to the drawings of the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Embodiment

[0023] With reference to Figures 1-4 The technical scheme provides a bolt type stop ring for a petroleum casing, which comprises a left half ring 1, a right half ring 2 arranged on one side of the left half ring 1, a curved plate 3 arranged at one end of the left half ring 1 and the right half ring 2, a first opening plate 301 arranged on the side of the curved plate 3 of the left half ring 1, a second opening plate 302 arranged on the side of the curved plate 3 of the right half ring 2, an opening block 5 fixedly connected to the other end of the left half ring 1 and the right half ring 2, an internal hexagonal bolt 6 arranged in the opening block 5, a triangular groove 201 arranged at the other end of the left half ring 1 and the right half ring 2, and a hexagonal nut 8. In use, the hexagonal nut 8 is removed, the left half ring 1 and the right half ring 2 are sleeved on the petroleum casing, the internal hexagonal bolt 6 passes through the opening block 5, the structural ring 7 is located on the opposite side of the opening block 5, the hexagonal nut 8 is installed on the internal hexagonal bolt 6, the hexagonal nut 8 is rotated to the side of the structural ring 7, and the internal hexagonal bolt 6 is rotated by using a tool such as an internal hexagonal wrench, so that the left half ring 1 and the right half ring 2 are installed. The plug shaft 4 is arranged to combine the first opening plate 301 and the second opening plate 302, so that the left half ring 1 and the right half ring 2 are movably combined by using a simple structure, the left half ring 1 and the right half ring 2 are stably installed by using a simple structure, the material is less used, the transportation cost is reduced when a large number of the left half ring 1 and the right half ring 2 are transported, the installation process is easier due to the simple structure, the left half ring 1 and the right half ring 2 are combined by using the plug shaft 4, the first opening plate 301 and the second opening plate 302, the installation mode does not require complex tools and professional technical personnel, and the installation and assembly of the stop ring can be quickly completed by the on-site installation workers, so that the installation time and labor cost are reduced.

[0024] With reference to Figures 1-4, based on the same idea as in the above embodiment 1, this embodiment also proposes that the hexagonal bolt 6 is threadedly connected with the opening block 5 of the right half ring 2, and the opening block 5 of the left half ring 1 is sleeved with the opening of the hexagonal bolt 6. By setting the hexagonal bolt 6 and combining the opening block 5, the installation can be completed on site only with the help of a hexagonal wrench during installation, and the process is simple. Maintenance is an essential part during the use cycle of the equipment. The stop ring with a simple structure is more convenient during maintenance. If a component is damaged, since the structure is simple and easy to understand, maintenance personnel can more easily find the problem and repair it. Replacing parts will also be relatively simple, without the need to disassemble and reassemble the entire complex structure, which to some extent reduces the maintenance cost and downtime of the equipment, and improves the service life and use efficiency of the equipment.

[0025] With reference to Figures 1-4 , based on the same idea as in the above embodiment 1, this embodiment also proposes that the first opening plate 301 and the second opening plate 302 are inserted with the insertion shaft 4.

[0026] With reference to Figures 1-4 , based on the same idea as in the above embodiment 1, this embodiment also proposes that one end of the hexagonal bolt 6 is provided with a hexagonal groove.

[0027] With reference to Figures 1-4 , based on the same idea as in the above embodiment 1, this embodiment also proposes that the hexagonal nut 8 is threadedly connected with the shaft body of the hexagonal bolt 6.

[0028] With reference to Figures 1-4 , based on the same idea as in the above embodiment 1, this embodiment also proposes that the structural ring 7 is movably sleeved on the hexagonal bolt 6, and the structural ring 7 is located on the opposite side of the opening block 5.

[0029] Specifically, the working process or working principle of the bolt type stop ring for oil casing is as follows: in use, first, remove the hexagonal nut 8, and then sleeve the left half ring 1 and the right half ring 2 on the oil casing, so that the hexagonal bolt 6 passes through the opening block 5, and the structural ring 7 is located on the opposite side of the opening block 5. Then install the hexagonal nut 8 on the hexagonal bolt 6, rotate the hexagonal nut 8 to the side of the structural ring 7, and try to rotate to the maximum rotation degree. Then, rotate the hexagonal bolt 6 by using a tool such as a hexagonal wrench, so as to realize the installation of the left half ring 1 and the right half ring 2.

Claims

1. A bolted ring for a petroleum casing comprising a left half ring (1), characterized in that, One side of the left half ring (1) is provided with a right half ring (2), one end of the left half ring (1) and the right half ring (2) is provided with a curved arc plate (3), the side of the curved arc plate (3) of the left half ring (1) is provided with a first opening plate (301), the side of the curved arc plate (3) of the right half ring (2) is provided with a second opening plate (302), the other end of the left half ring (1) and the right half ring (2) is fixedly connected with an opening block (5), the opening block (5) is provided with an internal hexagonal bolt (6), and the other end of the left half ring (1) and the right half ring (2) is provided with a triangular groove (201).

2. A bolt-type back-off ring for use with a petroleum casing as set forth in claim 1, characterized by The internal hexagonal bolt (6) is in threaded connection with the opening block (5) of the right half ring (2), and the internal hexagonal bolt (6) is in opening sleeve connection with the opening block (5) of the left half ring (1).

3. A bolt-type back-up ring for use with a petroleum casing as defined in claim 2, wherein The first opening plate (301) and the second opening plate (302) are in plug-in connection with the plug shaft (4) in the openings.

4. A bolt-type back-off ring for use with a petroleum casing as set forth in claim 3, characterized in that, One end of the internal hexagonal bolt (6) is provided with a hexagonal groove.

5. A bolted ring for a petroleum casing according to claim 4, characterized in that The shaft body of the internal hexagonal bolt (6) is in threaded connection with a hexagonal nut (8).

6. A bolt-type back-up ring for use with a petroleum casing as defined in claim 5, wherein The internal hexagonal bolt (6) is movably sleeved with a structure ring (7), and the structure ring (7) is located on the opposite side of the opening block (5).

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