Fixed working barrel for gas lift oil extraction

Abstract

The utility model discloses a fixed working barrel for gas lift oil extraction in the technical field of working barrels, which comprises a working barrel body, a fixed clamp is sleeved at the top end of the outer part of the working barrel body, a mounting hole is formed in the side wall of the fixed clamp, and a mounting bolt main body is mounted in the mounting hole; a circular groove is formed in the bottom end of the mounting bolt main body, and a bolt rod is mounted in the circular groove; a fixing ring is installed at the upper end of the outer portion of the bolt rod. The circumferential surface of the bolt rod is sleeved with an annular pressing piece, a spring and an annular rubber piece. Fastening clamping plates are installed at the two ends of an opening of the fixing hoop, fastening grooves are formed in the side walls of the fastening clamping plates, fastening screws are inserted into the fastening grooves, and nuts are connected to the outer portions of the fastening screws in a screwed mode; according to the fixed working barrel for gas lift oil extraction, the working barrel body is vertically mounted on equipment, and the stability of the working barrel body is ensured through the clamping mechanism in the fixed hoop, so that the phenomenon that the working barrel is inclined due to pressure is avoided.

Description

Technical Field

[0001] This utility model relates to the field of working cylinder technology, specifically a fixed working cylinder for gas lift oil production. Background Technology

[0002] Small tubing is often run into the production string of oilfield gas wells and suspended from the existing wellhead equipment. The newly run-in small tubing narrows the flow path of produced gas, making it a "velocity string" and improving the efficiency of gas well drainage and gas production. Gas lift, as a type of mechanical oil (gas) production, has advantages such as low cost, high reliability, unaffected by sand, paraffin, and salt, and easy maintenance. It lifts well fluid to the surface by injecting high-pressure natural gas or nitrogen into the well. It can be used for gas lift oil production, drainage and gas production, acid fracturing (chemical) flowback, completion-induced blowout, fluid control measures, and fluid drainage for production.

[0003] However, the existing technology is prone to pressure during installation, which can cause the cylinder to tilt and affect its working condition. Therefore, the existing technology needs to be improved. Utility Model Content

[0004] The purpose of this utility model is to provide a fixed working cylinder for gas lift oil production, so as to solve the problem mentioned in the background art that the working cylinder is easily subjected to pressure during installation, which causes the cylinder body to tilt and affects the working state of the working cylinder.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a fixed working cylinder for gas lift oil production, comprising a working cylinder body, a fixing clamp fitted on the outer top end of the working cylinder body, an installation hole provided on the side wall of the fixing clamp, and an installation bolt body installed in the installation hole;

[0006] The bottom end of the mounting bolt body is provided with a circular groove, and the bolt rod is installed inside the circular groove;

[0007] A retaining ring is installed on the upper outer end of the bolt rod, and an annular pressure plate, a spring, and an annular rubber sheet are fitted on the circumferential surface of the bolt rod.

[0008] Both ends of the opening of the fixing clamp are equipped with fastening plates. The side wall of the fastening plate is provided with a fastening groove. The fastening groove is inserted into the fastening screw, and the fastening screw is screwed with a nut.

[0009] As a preferred embodiment of the fixed working cylinder for gas lift oil production according to this utility model, a circular groove is provided on the internal thread of the nut, a circular part is placed in the circular groove, a threaded hole is provided on the circular part, and the bolt is sleeved in the threaded hole.

[0010] As a preferred embodiment of the fixed working cylinder for gas lift oil production according to this utility model, a slot is provided on the circular groove, and a locking block is installed on the circular part, with the locking block engaging in the slot.

[0011] As a preferred embodiment of the fixed working cylinder for gas lift oil production according to this utility model, an extrusion block is installed at the upper edge of the annular rubber sheet.

[0012] As a preferred embodiment of the fixed working cylinder for gas lift oil production according to this utility model, the end of the mounting bolt body is provided with a mating surface, which mates with the mounting hole.

[0013] As a preferred embodiment of the fixed working cylinder for gas lift oil production according to this utility model, a rubber pad is installed inside the fixing clamp, and the rubber pad is fitted to the outer wall of the working cylinder body.

[0014] As a preferred embodiment of the fixed working cylinder for gas lift oil production according to this utility model, the inner wall of the fixed clamp is provided with a limiting groove, and the outer wall of the working cylinder is installed with a limiting block, which is engaged in the limiting groove.

[0015] Compared with the prior art, the beneficial effects of this utility model are: the fixed working cylinder for gas lift oil production has a reasonable structural design;

[0016] By setting a fixing clamp on the outside of the working cylinder, and connecting the main body of the fixing clamp to the external setting through the mounting bolts in the fixing clamp, the working cylinder is vertically installed on the equipment. The clamping mechanism in the fixing clamp ensures the stability of the working cylinder and prevents the working cylinder from tilting due to pressure. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the fixing clamp of this utility model;

[0019] Figure 3 This is a schematic diagram of the fastening screw of this utility model;

[0020] Figure 4 This is a schematic diagram of the bolt body of this utility model.

[0021] In the diagram: 1. Working cylinder body; 2. Fixing clamp; 3. Fastening plate; 4. Fastening groove; 5. Fastening screw; 6. Rubber pad; 7. Mounting bolt body; 71. Circular groove; 72. Annular rubber sheet; 73. Bolt rod; 74. Extrusion block; 75. Annular pressure plate; 76. Fixing ring; 77. Spring; 78. Mating surface; 8. Nut; 9. Circular groove; 10. Circular part; 11. Threaded hole; 12. Clamping block; 13. Clamping groove; 14. Limiting clamping block; 15. Limiting clamping groove. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-4 This utility model provides a technical solution:

[0024] In this technical solution, a fixed working cylinder for gas lift oil production includes a working cylinder body 1, characterized in that: a fixing clamp 2 is fitted on the outer top end of the working cylinder body 1, and an installation hole is opened on the side wall of the fixing clamp 2, and an installation bolt body 7 is installed in the installation hole;

[0025] The bottom end of the mounting bolt body 7 is provided with a circular groove 71, and a bolt rod 73 is installed inside the circular groove 71;

[0026] A retaining ring 76 is installed on the upper outer end of the bolt rod 73, and an annular pressure plate 75, a spring 77 and an annular rubber sheet 72 are fitted on the circumferential surface of the bolt rod 73.

[0027] The fixed clamp 2 has fastening plates 3 installed at both ends of its opening. The side wall of the fastening plate 3 has a fastening groove 4. The fastening groove 4 is inserted into the fastening screw 5, and the fastening screw 5 is screwed with a nut 8.

[0028] In this technical solution, the working cylinder 1 is installed by a fixing clamp 2. The mounting bolt body 7 is fixed in the mounting hole on the side wall of the fixing clamp 2, and the fixing clamp 2 is fixed in the designated position by the mounting bolt body 7.

[0029] In some technical solutions, a circular groove 9 is provided on the internal thread of the nut 8, a circular part 10 is placed in the circular groove 9, a threaded hole 11 is provided on the circular part 10, the fastening screw 5 is sleeved in the threaded hole 11, a slot 13 is provided on the circular groove 9, and a locking block 12 is installed on the circular part 2, the locking block 12 is locked in the slot 13.

[0030] In this technical solution, the circular part 10 is placed into the circular groove 9, and the locking block 12 is locked into the locking groove 13. The fastening screw 5 passes through the fastening groove 4 on the fixing clamp 2 and the nut 8 is screwed onto the fastening screw 5. Then the fastening screw 5 is screwed into the threaded hole 11 on the circular part 10, so that the nut 8 and the fastening screw 5 are doubly locked together.

[0031] In some technical solutions, an extrusion block 74 is installed at the upper edge of the annular rubber sheet 72.

[0032] In this technical solution, the annular pressure plate 75 is pressed downward by the spring 77, and the extrusion block 74 is pressed downward by the annular pressure plate 75, so that the extrusion block 74 further extrudes the edge of the annular rubber sheet 72, thereby improving the sealing effect.

[0033] In some technical solutions, the end of the mounting bolt body 7 is provided with a mating surface 78, which mates with the mounting hole.

[0034] In this technical solution, the mounting bolt body 7 is installed into the mounting hole through the mating surface 78.

[0035] In some technical solutions, a rubber pad 6 is installed inside the fixing clamp 2, and the rubber pad 6 is fitted to the outer wall of the working cylinder 1.

[0036] In this technical solution, the friction of the inner wall of the fixing clamp 2 is increased.

[0037] In some technical solutions, a limiting groove 15 is provided on the inner wall of the fixing clamp 2, and a limiting block 15 is installed on the outer wall of the working cylinder 1. The limiting block 15 is engaged in the limiting groove 15.

[0038] In this technical solution, positioning can be performed.

[0039] Working principle:

[0040] First, install the fixing clamp 2 onto the outside of the working cylinder body 1 and fix it with the fastening screw 5 and nut 8. Then, install the fixing clamp 2 into the designated position using the mounting bolt body 7.

[0041] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0042] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A fixed working cylinder for gas lift oil production, comprising a working cylinder body (1), characterized in that: The outer top of the working cylinder (1) is fitted with a fixing clamp (2), and the side wall of the fixing clamp (2) is provided with an installation hole, and the mounting bolt body (7) is installed in the installation hole; The bottom end of the mounting bolt body (7) is provided with a circular groove (71), and a bolt rod (73) is installed inside the circular groove (71); A retaining ring (76) is installed on the upper outer end of the bolt rod (73), and an annular pressure plate (75), a spring (77) and an annular rubber sheet (72) are fitted on the circumferential surface of the bolt rod (73). The fixed clamp (2) has fastening plates (3) installed at both ends of the opening. The fastening plates (3) have fastening grooves (4) on their side walls. The fastening grooves (4) are inserted into the fastening screws (5), and the fastening screws (5) are screwed with nuts (8) on their outside.

2. A fixed working casing for gas lift oil production according to claim 1, characterized in that, A circular groove (9) is provided on the internal thread of the nut (8), and a circular part (10) is placed in the circular groove (9). A threaded hole (11) is provided on the circular part (10), and the fastening screw (5) is sleeved in the threaded hole (11).

3. A fixed working casing for gas lift oil production according to claim 2, characterized in that, A slot (13) is provided on the circular groove (9), and a locking block (12) is installed on the circular part (10), and the locking block (12) is engaged in the slot (13).

4. A fixed working casing for gas lift oil production according to claim 1, characterized in that, An extrusion block (74) is installed at the upper edge of the annular rubber sheet (72).

5. A fixed working casing for gas lift oil production according to claim 1, characterized in that, The mounting bolt body (7) has a mating surface (78) at its end, which mates with the mounting hole.

6. A fixed working casing for gas lift oil production according to claim 1, characterized in that, The fixing clamp (2) is equipped with a rubber pad (6), which is fitted to the outer wall of the working cylinder (1).

7. A fixed working casing for gas lift oil production according to claim 1, characterized in that, The inner wall of the fixing clamp (2) is provided with a limiting groove (15), and the outer wall of the working cylinder (1) is equipped with a limiting block (14), which is engaged in the limiting groove (15).

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