Pressure-reducing wear-resistant oil extraction equipment

Abstract

The utility model provides depressurization wear-resistant oil extraction equipment which comprises a first oil extraction pipe, a second oil extraction pipe connected with the first oil extraction pipe through a flange plate, a communicating pipe cover arranged on the outer circumferential wall of the second oil extraction pipe and communicated with an inner cavity of the second oil extraction pipe, and a flow dividing pipe with the two ends communicated with the first oil extraction pipe and the communicating pipe cover respectively. The oil extraction device is characterized by further comprising an oil extraction nozzle, an oil inlet hole communicated with the first oil extraction pipe is formed in the oil extraction nozzle in the axial direction, a connecting hole matched with the end of the first oil extraction pipe in a sleeved mode is formed in one end of the oil extraction nozzle, and a blocking disc is arranged at one end of the oil extraction nozzle. The first oil extraction pipe is provided with a connecting disc connected with the blocking disc through bolts and nuts, the flow dividing pipe is located on the inner side of the outer edge of the blocking disc, and the flange plate and the connecting disc are located on the inner side of the flow dividing pipe. The oil extraction equipment is high in reliability, can play a role in protecting the shunting pipeline, and has pressure reduction and wear resistance effects.

Description

Technical Field

[0001] This utility model relates to the field of oil production equipment technology, specifically to a pressure-reducing and wear-resistant oil production equipment. Background Technology

[0002] Oil extraction equipment is a device used to extract oil. During the oil extraction process, the pipelines of the oil extraction equipment need to have pressure reduction and wear resistance properties.

[0003] There is an existing Chinese patent with application number CN202223397186.8 and patent title "A Pressure-Reducing and Wear-Resistant Oil Production Equipment". It discloses "a pressure-reducing and wear-resistant oil production equipment, including a first oil production pipe (1), a second oil production pipe (5) installed at one end of the first oil production pipe (1), an oil nozzle (2) installed at the other end of the first oil production pipe (1), and an extension pipe (15) provided at one end of the oil nozzle (2). The extension pipe (15) and the oil nozzle (2) are integrally formed; characterized in that it also includes: a connecting pipe." A cover (6) is installed at one end of the second oil production pipe (5), and a third oil production pipe (9) is installed at one end of the connecting pipe cover (6). The connecting pipe cover (6) is integrally formed with the second oil production pipe (5) and the third oil production pipe (9). A diversion pipe (7) is installed on the outer wall of the first oil production pipe (1). There are four diversion pipes (7), and all four diversion pipes (7) are connected to the interior of the first oil production pipe (1). A connecting pipe coil (11) is installed at one end of each of the four diversion pipes (7). All connecting pipes (11) are integrally formed with the diversion pipes (7); pipe cover interfaces (10) are provided on the front end face of the connecting pipe cover (6), and there are four pipe cover interfaces (10), all of which are integrally formed with the connecting pipe cover (6). A valve (8) is installed at one end of the connecting pipe disc (11); flanges (3) are provided at the connection position between the first oil production pipe (1) and the second oil production pipe (5), and there are two flanges (3), which are respectively connected to the first oil production pipe (1) and the second oil production pipe (5). The first production pipe (1) and the second production pipe (5) are integrally formed, and a stainless steel carrier plate (13) is installed inside a flange plate (3). An oil residue filter screen (14) is installed inside the stainless steel carrier plate (13), and the oil residue filter screen (14) and the stainless steel carrier plate (13) are integrally formed. The four branch pipes (7) are all located at the outer ends of the first production pipe (1) and the second production pipe (5), which makes them easy to bend or break when they are inserted into the oil well or when they are displaced in the axial direction, thus affecting their use. Utility Model Content

[0004] Based on the above problems, the purpose of this utility model is to provide a pressure-reducing and wear-resistant oil production equipment that has high reliability and can protect the diversion pipeline.

[0005] To address the above problems, the following technical solution is provided: a pressure-reducing and wear-resistant oil production equipment, comprising a first oil production pipe, a second oil production pipe connected to the first oil production pipe via a flange, a connecting pipe cover disposed on the outer circumferential wall of the second oil production pipe and communicating with its inner cavity, and a diversion pipe with its two ends respectively connected to the first oil production pipe and the connecting pipe cover. The diversion pipe is equipped with a valve and also includes an oil nozzle. The oil nozzle has an axially oriented inlet hole communicating with the first oil production pipe. One end of the oil nozzle has a connecting hole that fits into the end of the first oil production pipe. One end of the oil nozzle is provided with a baffle plate. The first oil production pipe has a connecting plate connected to the baffle plate via bolts and nuts. The diversion pipe is located inside the outer edge of the baffle plate. The flange and the connecting plate are located inside the diversion pipe. The outer diameter of the baffle plate is the same as the outer diameter of the connecting pipe cover.

[0006] In the above structure, the baffle plate, in conjunction with the connecting pipe cover, protects the axial direction of the diversion pipe, thereby improving its reliability and extending its service life. The connecting hole allows the end of the first oil production pipe to be inserted into it, ensuring a tight fit and enabling the oil inlet to communicate with the inner hole of the first oil production pipe, resulting in smoother oil intake and improved reliability. The baffle plate and connecting plate are connected by bolts and nuts, increasing their connection strength and thus the connection between the oil nozzle and the first oil production pipe, further enhancing reliability. The diversion pipe is located inside the baffle plate and connecting pipe cover, facilitating their protection and preventing damage such as impacts, bending, or breakage, thus extending its service life.

[0007] The present invention is further configured such that a connecting ring is provided at the end of the blocking disc facing the oil inlet of the oil nozzle, and a guide cover is fitted on the oil nozzle and covering the outside of the connecting ring. The oil inlet end of the oil nozzle protrudes from the guide cover, and the end of the guide cover facing the oil inlet direction of the oil nozzle is frustoconical.

[0008] In the above structure, the guide cover protects the blocking disc, and its frustum-shaped end provides guidance, allowing the device to better enter the oil well and extending its service life. The connecting ring facilitates the installation of the guide cover, improving the ease of assembly.

[0009] The present invention is further configured such that the outer circumferential wall of the connecting ring is provided with an external thread, and the inner end of the guide cover is provided with an internal thread that is threadedly connected to the external thread.

[0010] The above structure facilitates the installation of the guide cover and allows the guide cover to cover the blocking disc as much as possible, thereby further protecting the blocking disc and improving the reliability of this utility model.

[0011] The present invention is further configured such that the end of the blocking disc facing the connecting disc has an installation groove sleeved on the outside of the connecting disc.

[0012] By adopting the above structure, the connection strength between the blocking disc and the connecting disc can be improved, thereby improving the reliability of this utility model.

[0013] The present invention is further configured such that a positioning block protrudes from the outer circumferential wall of the connecting disk, and a positioning groove adapted to the positioning block is formed on the inner wall of the mounting groove.

[0014] In the above structure, the positioning block and the positioning groove cooperate to facilitate the positioning and installation between the first oil production pipe and the oil production nozzle, thereby improving the assembly convenience of this utility model.

[0015] The present invention is further configured such that an installation hole is provided at the end of the first oil production pipe facing the oil production nozzle, and a filter screen is provided in the installation hole by means of a retaining spring.

[0016] In the above structure, the quality of the oil produced can be improved by setting a filter screen, and placing the filter screen in front of the oil inlet end of the diversion pipe can improve the quality of the oil entering the second oil production pipe through the diversion pipe, thereby improving the reliability of this utility model.

[0017] The present invention is further configured such that the connecting hole is a stepped hole.

[0018] By adopting the above structure, the connection strength between the first oil production pipe and the oil production nozzle can be improved, and the tightness between the two can be improved, thereby improving the reliability of this utility model.

[0019] The present invention is further configured such that four diversion pipes are provided, which are evenly distributed in the circumferential direction relative to the connecting pipe cover.

[0020] By adopting the above structure, the pressure reduction and wear resistance of the first oil production pipe can be further improved, thereby improving the safety of this utility model and extending its service life. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 1 .

[0022] Figure 2 This is a schematic diagram of the structure of the present invention. Figure 2 .

[0023] Figure 3 This is a cross-sectional structural diagram of the present invention.

[0024] Figure 4 This is a schematic diagram of the disassembled structure of this utility model.

[0025] Figure 5 This is a schematic diagram of the oil nozzle and guide cover in this utility model.

[0026] The labels in the diagram have the following meanings: 1-First production pipe; 2-Second production pipe; 3-Connecting pipe cover; 4-Diverter pipe; 5-Valve; 6-Production nozzle; 61-Inlet hole; 62-Connecting hole; 7-Blocking plate; 11-Connecting plate; 71-Connecting ring; 8-Guide cover; 72-Mounting groove; 111-Positioning block; 73-Positioning groove; 12-Mounting hole; 01-Snap ring; 9-Filter screen. Detailed Implementation

[0027] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit the scope of this utility model.

[0028] It should be noted that all directional indicators (such as up, down, left, right, front, back, back, etc.) in the embodiments of this utility model are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0029] like Figures 1 to 5 The illustrated oil production equipment includes a first oil production pipe 1, a second oil production pipe 2 connected to the first oil production pipe 1 via a flange, a connecting pipe cover 3 disposed on the outer circumferential wall of the second oil production pipe 2 and communicating with its inner cavity, and a diversion pipe 4 with its two ends respectively connected to the first oil production pipe 1 and the connecting pipe cover 3. A valve 5 is installed on the diversion pipe 4, and an oil nozzle 6 is also included. The oil nozzle 6 has an inlet hole 61 in the axial direction that communicates with the first oil production pipe 1. One end of the oil nozzle 6 has a connecting hole 62 that fits into the end of the first oil production pipe 1. One end of the oil nozzle 6 is provided with a baffle plate 7. The first oil production pipe 1 is provided with a connecting plate 11 that is connected to the baffle plate 7 via bolts and nuts. The diversion pipe 4 is located inside the outer edge of the baffle plate 7. The flange and the connecting plate 11 are located inside the diversion pipe 4. The outer diameter of the baffle plate 7 is the same as the outer diameter of the connecting pipe cover 3.

[0030] In the above structure, the baffle plate 7, in conjunction with the connecting pipe cover 3, protects the axial direction of the diversion pipe 4, thereby improving the reliability of the diversion pipe 4 and extending the service life of this invention. The connecting hole 62 allows the end of the first oil production pipe 1 to be inserted into the connecting hole 62, ensuring a tight fit. It also allows the oil inlet hole 61 to communicate with the inner hole of the first oil production pipe 1, resulting in smoother oil intake and improved reliability. The baffle plate 7 and the connecting plate 11 are connected by bolts and nuts, increasing their connection strength and thus improving the connection strength between the oil nozzle 6 and the first oil production pipe 1, further enhancing the reliability of this invention. The diversion pipe 4 is located inside the baffle plate 7 and the connecting pipe cover 3, facilitating their protection and preventing the diversion pipe 4 from being bumped, bent, or damaged, thereby extending the service life of this invention.

[0031] In this embodiment, the end of the blocking disc 7 facing the oil inlet of the oil nozzle 6 is provided with a connecting ring 71, and the oil nozzle 6 is fitted with a guide cover 8 covering the outside of the connecting ring 71. The oil inlet end of the oil nozzle 6 protrudes from the guide cover 8, and the end of the guide cover 8 facing the oil inlet direction of the oil nozzle 6 is frustoconical.

[0032] In the above structure, the guide cover 8 protects the blocking disc 7, and its frustum-shaped end provides guidance, allowing the device to better enter the oil well and extending its service life. The connecting ring 71 facilitates the installation of the guide cover 8, improving the ease of assembly.

[0033] In this embodiment, the outer circumferential wall of the connecting ring 71 is provided with an external thread, and the inner end of the guide cover 8 is provided with an internal thread that is threadedly connected to the external thread.

[0034] The above structure facilitates the installation of the guide cover 8 and allows the guide cover 8 to cover the blocking disk 7 as much as possible, thereby further protecting the blocking disk 7 and improving the reliability of this utility model.

[0035] In this embodiment, the end of the blocking disk 7 facing the connecting disk 11 is provided with a mounting groove 72 that is sleeved on the outside of the connecting disk 11.

[0036] By adopting the above structure, the connection strength between the blocking disk 7 and the connecting disk 11 can be improved, thereby improving the reliability of this utility model.

[0037] In this embodiment, a positioning block 111 protrudes from the outer circumferential wall of the connecting disk 11, and a positioning groove 73 adapted to the positioning block 111 is provided on the inner wall of the mounting groove 72.

[0038] In the above structure, the positioning block 111 and the positioning groove 73 cooperate to facilitate the positioning and installation between the first oil production pipe 1 and the oil production nozzle 6, thereby improving the assembly convenience of this utility model.

[0039] In this embodiment, the first oil production pipe 1 has an installation hole 12 at one end facing the oil production nozzle 6, and a filter screen 9 is provided in the installation hole 12 and fixed by a retaining spring 01.

[0040] In the above structure, the quality of the oil produced can be improved by setting the filter screen 9, and the filter screen 9 can be set in front of the oil inlet end of the diversion pipe 4 to improve the quality of the oil entering the second oil production pipe 2 through the diversion pipe 4, thereby improving the reliability of this utility model.

[0041] In this embodiment, the connecting hole 62 is a stepped hole.

[0042] By adopting the above structure, the connection strength between the first oil production pipe 1 and the oil production nozzle 6 can be improved, and the tightness between the two can be improved, thereby improving the reliability of this utility model.

[0043] In this embodiment, four diversion pipes 4 are provided, which are evenly distributed in the circumferential direction relative to the connecting pipe cover 3.

[0044] By adopting the above structure, the pressure reduction and wear resistance of the first oil production pipe 1 can be further improved, thereby improving the safety of this utility model and extending its service life.

[0045] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model. These improvements and modifications assumed above should also be considered within the protection scope of the present utility model.

Claims

1. A pressure-reducing and wear-resistant oil production equipment, comprising a first oil production pipe, a second oil production pipe connected to the first oil production pipe via a flange, a connecting pipe cover disposed on the outer circumferential wall of the second oil production pipe and communicating with its inner cavity, and a diversion pipe with its two ends respectively connected to the first oil production pipe and the connecting pipe cover, wherein a valve is installed on the diversion pipe, characterized in that: The oil extraction nozzle is provided with an oil inlet hole in the axial direction, which is communicated with the first oil extraction pipe, and a connecting hole at one end of the oil extraction nozzle, which is matched with the end of the first oil extraction pipe.

2. A pressure reducing wear resistant oil production equipment according to claim 1, characterized in that: The outer periphery wall of the connecting ring is provided with external threads, and the inner end of the guide cover is provided with internal threads which are threadedly connected with the external threads.

3. A pressure reducing wear resistant oil production equipment according to claim 2, characterized in that: The outer periphery wall of the connecting ring is provided with external threads, and the inner end of the guide cover is provided with internal threads which are threadedly connected with the external threads.

4. The pressure reducing wear resistant oilfield equipment of claim 2, wherein: The outer periphery wall of the connecting ring is provided with external threads, and the inner end of the guide cover is provided with internal threads which are threadedly connected with the external threads.

5. A pressure-relief wear-resistant oil production equipment according to claim 4, characterized in that: The outer periphery wall of the connecting ring is provided with external threads, and the inner end of the guide cover is provided with internal threads which are threadedly connected with the external threads.

6. The pressure reducing wear resistant oilfield equipment of claim 1, wherein: The outer periphery wall of the connecting ring is provided with external threads, and the inner end of the guide cover is provided with internal threads which are threadedly connected with the external threads.

7. The pressure reducing wear resistant oilfield equipment of claim 1, wherein: The outer periphery wall of the connecting ring is provided with external threads, and the inner end of the guide cover is provided with internal threads which are threadedly connected with the external threads.

8. The pressure reducing wear resistant oilfield equipment of claim 1, wherein: The outer periphery wall of the connecting ring is provided with external threads, and the inner end of the guide cover is provided with internal threads which are threadedly connected with the external threads. The outer periphery wall of the connecting ring is provided with external threads, and the inner end of the guide cover is provided with internal threads which are threadedly connected with the external threads. The outer periphery wall of the connecting ring is provided with external threads, and the inner end of the guide cover is provided with internal threads which are threadedly connected with the external threads. The outer periphery wall of the connecting ring is provided with external threads, and the inner end of the guide cover is provided with internal threads which are threadedly connected with the external threads. The outer periphery wall of the connecting ring is provided with external threads, and the inner end of the guide cover is provided with internal threads which are threadedly connected with the external threads. The outer periphery wall of the connecting ring is provided with external threads, and the inner end of the guide cover is provided with internal threads which are threadedly connected with the external threads. The outer periphery wall of the connecting ring is provided with external threads, and the inner end of the guide cover is provided with internal threads which are threadedly connected with the external threads. The outer periphery wall of the connecting ring is provided with external threads, and the inner end of the guide cover is provided with internal threads which are threadedly connected with the external threads. The outer periphery wall of the connecting ring is provided with external threads, and the inner end of the guide cover is provided with internal threads which are threadedly connected with the external threads. The outer periphery wall of the connecting ring is provided with external threads, and the inner end of the guide cover is provided with internal threads which are threadedly connected with the external threads. The outer periphery wall of the connecting ring is provided with external threads, and the inner end of the guide cover is provided with internal threads which are threadedly connected with the external threads. The outer periphery wall of the connecting ring is provided with external threads, and the inner end of the guide cover is provided with internal threads which are threadedly connected with the external threads. The outer periphery wall of the connecting ring is provided with external threads, and the inner end of the guide cover is provided with internal threads which are threadedly connected with the external threads. The outer periphery wall of the connecting ring is provided with external threads, and the inner end of the guide cover is provided with internal threads which are threadedly connected with the external threads. The outer periphery wall of the connecting ring is provided with external threads, and the inner end of the guide cover is provided with internal threads which are threadedly

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