Oil exploitation sample oil layer sampling equipment

Abstract

The utility model discloses oil exploitation sample oil layer sampling equipment which comprises an equipment shell, a connecting frame is fixedly mounted above the equipment shell, a servo motor is arranged on the inner side of the connecting frame, and a pull rope is fixedly connected above the connecting frame; an oil layer sampling structure is arranged on the inner side of the equipment shell, and oil enters the inner side of the equipment shell through the oil layer sampling structure, so that follow-up analysis of the oil is facilitated; fixing rods are fixedly installed on the left side and the right side of the equipment shell, a buffering protection structure is arranged at one end of each fixing rod, and the situation that the equipment shell collides with the wall in the lifting process in the oil well and is scratched and damaged is avoided through the buffering protection structures. According to the oil exploitation sample oil layer sampling equipment, the piston plate is arranged to move on the outer side of the lead screw, so that the piston plate moves up and down on the inner side of the equipment shell, oil can enter the equipment shell through the one-way oil inlet valve, and sampling of the oil is completed.

Description

Technical Field

[0001] The utility model relates to the technical field of oil extraction, in particular to an oil layer sampling device for oil extraction samples. Background Technique

[0002] Oil extraction refers to the act of excavating and extracting oil in places where oil is stored; during the process of oil extraction, the driving mode in which oil and gas flow from the reservoir into the bottom of the well and then rise from the bottom of the well to the wellhead; oil is a fluid mineral buried deep underground; initially, people called the oily liquid minerals produced in nature petroleum, the combustible gas natural gas, and the solid combustible oil-based minerals asphalt;

[0003] The publication number "CN212254729U" is an oil layer sampling device for oil extraction samples, including a device body. A sampling and temporary storage cylinder in the up-and-down direction is arranged in the middle of the device body, and a straight-through one-way valve is fixedly installed at the center of the bottom end face of the sampling and temporary storage cylinder through threads; a anti-detachment limit cover is fixedly installed at the top of the sampling and temporary storage cylinder through threads, and lifting and moving ropes in the up-and-down direction are fixedly installed on both the left and right sides of the top of the anti-detachment limit cover; a extraction piston block is placed and installed inside the sampling and temporary storage cylinder, and an oil layer extraction rope in the up-and-down direction is fixedly installed at the top of the extraction piston block; through the setting of the sampling and temporary storage cylinder, the device facilitates the extraction piston block to be placed and installed inside and move upward to extract oil samples, facilitates the straight-through one-way valve to be fixedly installed at the bottom through threads to achieve only inlet and no outlet, and realizes sealing while facilitating sampling, solving the problem of being easily shaken out and spilled during the rising process;

[0004] The device drives the piston block to move inside the sampling and temporary storage cylinder through the oil layer extraction rope, so that the sampling and temporary storage cylinder can sample and temporarily store the oil. However, the method of manually pulling the oil layer extraction rope is very inconvenient, which is likely to affect the stability of the sampling and temporary storage cylinder during sampling, and there are impurities in the oil, so it is not convenient for subsequent detection of the oil. Therefore, we have proposed an oil layer sampling device for oil extraction samples that can well solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide an oil layer sampling device for oil extraction samples, so as to solve the problem proposed in the above background technique that currently on the market, the device drives the piston block to move inside the sampling and temporary storage cylinder through the oil layer extraction rope, so that the sampling and temporary storage cylinder can sample and temporarily store the oil. However, the method of manually pulling the oil layer extraction rope is very inconvenient, which is likely to affect the stability of the sampling and temporary storage cylinder during sampling, and there are impurities in the oil, so it is not convenient for subsequent detection of the oil.

[0006] To achieve the above object, the present utility model provides the following technical solutions: An oil layer sampling device for petroleum extraction samples, including a device housing, a connecting frame is fixedly installed above the device housing, a servo motor is arranged inside the connecting frame, and the servo motor is fixedly installed above the device housing by bolts. At the same time, a pulling rope is fixedly connected above the connecting frame;

[0007] It further includes: An oil layer sampling structure is arranged inside the device housing. Through this oil layer sampling structure, oil enters the inside of the device housing, so as to facilitate subsequent analysis of the oil and is beneficial to the petroleum extraction work;

[0008] Fixed rods are fixedly installed on both the left and right sides of the device housing, and a buffer protection structure is arranged at one end of the fixed rod. Through this buffer protection structure, the device housing is prevented from being scratched and damaged when hitting the wall during the lifting and lowering process in the oil well, which is beneficial to the safe use of the device housing.

[0009] Preferably, the oil layer sampling structure includes a lead screw fixedly connected to the end of the output shaft of the servo motor. A piston plate is threadedly connected to the outside of the lead screw, and the piston plate is slidably arranged inside the device housing. The piston plate is driven to move up and down by the lead screw.

[0010] Preferably, a limiting rod is fixedly connected above the piston plate, and the limiting rod is slidably connected inside the device housing. A filter screen is arranged below the piston plate, and the filter screen is fixedly installed inside the device housing.

[0011] Preferably, a pulley is fixedly installed on the outside of the output shaft of the servo motor, a first belt is sleeved on the outside of the pulley, another set of pulleys is sleeved on the inside of the right end of the first belt, and a rotating rod is fixedly installed inside another set of pulleys.

[0012] Preferably, the buffer protection structure includes a sliding rod slidably arranged inside the fixed rod. An arc-shaped baffle is fixedly connected to one end of the sliding rod, a spring is fixedly connected to the other end of the sliding rod, and one end of the spring is fixedly connected to the inner wall of the fixed rod.

[0013] Preferably, the rotating rod penetrates through the right fixed rod, a pulley is fixedly connected to the outside of the lower end of the rotating rod, a second belt is sleeved on the outside of the pulley, another set of pulleys is sleeved on the inside of the left end of the second belt, and a driving rod is fixedly installed inside another set of pulleys.

[0014] Preferably, the driving rod is rotatably connected to the lower end of the device housing, the upper end of the driving rod penetrates through the device housing, a scraper is fixedly connected to the upper end of the driving rod, the scraper is in contact connection with the lower surface of the filter screen, and a one-way oil inlet valve is arranged at the lower end of the device housing.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: For this oil extraction sample oil layer sampling device, through the setting that the piston plate moves outside the lead screw, the piston plate moves up and down inside the device housing, so that the oil can enter the device housing through the one-way oil inlet valve, thereby completing the sampling of the oil. The specific content is as follows:

[0016] An arc-shaped baffle is provided. Through the arc-shaped baffles provided on the left and right sides of the device housing, the arc-shaped baffles can protect the device housing. The slide rod can drive the spring to be compressed, so that the arc-shaped baffle can be buffered, which is beneficial to the long-term use of the arc-shaped baffle;

[0017] A piston plate is provided. Through the threaded connection between the lead screw and the piston plate, the lead screw can drive the piston plate to move up and down inside the device housing. The piston plate and the device housing cooperate to sample and extract the oil, which is beneficial to improving the convenience of using the device;

[0018] A limiting rod is provided. Through the limiting rod, the piston plate can be prevented from rotating synchronously with the lead screw, so that the piston plate only moves up and down inside the device housing, which is beneficial to improving the structural stability of the device;

[0019] A filter screen is provided. Through the filter screen, the oil entering the device housing can be filtered, which is beneficial to the subsequent detection of the oil;

[0020] A scraper is provided. Through the cooperation of the first belt and the second belt, the scraper can rotate on the lower surface of the filter screen to clean the lower surface of the filter screen, prevent the filter screen from being blocked, and is beneficial to the long-term use of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic front sectional structure diagram of the present utility model;

[0022] Figure 2 is a schematic structure diagram of the piston plate of the present utility model moving upward;

[0023] Figure 3 is of the present utility model Figure 1 is an enlarged structure diagram of part A in;

[0024] Figure 4 is a schematic top view structure diagram of the present utility model;

[0025] Figure 5 is a schematic bottom view structure diagram of the present utility model;

[0026] Figure 6 is a schematic bottom sectional structure diagram of the filter screen of the present utility model.

[0027] In the figure: 1. Equipment housing; 2. Connecting frame; 3. Pulling rope; 4. Servo motor; 5. Lead screw; 6. Piston plate; 7. Limit rod; 8. First belt; 9. Rotating rod; 10. Second belt; 11. Driving rod; 12. Scraper; 13. Filter screen; 14. One-way oil inlet valve; 15. Fixed rod; 16. Slide rod; 17. Spring; 18. Arc-shaped baffle. Detailed implementation mode

[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0029] Embodiment 1: Solved the problem that the equipment housing 1 is damaged during the lifting process. The equipment housing 1 can be protected by the arc-shaped baffle 18, which is beneficial to the use of the equipment housing 1. Please refer to Figures 1-6 , the present invention provides a technical solution: An oil extraction sample oil layer sampling device includes an equipment housing 1. A connecting frame 2 is fixedly installed above the equipment housing 1, and a servo motor 4 is arranged inside the connecting frame 2. And the servo motor 4 is fixedly installed above the equipment housing 1 by bolts. At the same time, a pulling rope 3 is fixedly connected above the connecting frame 2;

[0030] Fixed rods 15 are fixedly installed on both the left and right sides of the equipment housing 1, and a buffer protection structure is arranged at one end of the fixed rod 15. Through this buffer protection structure, the equipment housing 1 is prevented from being scratched and damaged when hitting the wall during the lifting process in the oil well, which is beneficial to the safe use of the equipment housing 1; The buffer protection structure includes a slide rod 16 slidably arranged inside the fixed rod 15. One end of the slide rod 16 is fixedly connected to an arc-shaped baffle 18, and the other end of the slide rod 16 is fixedly connected to a spring 17. At the same time, one end of the spring 17 is fixedly connected to the inner wall of the fixed rod 15;

[0031] First, manually put the equipment housing 1 into the oil well through the pulling rope 3, so that the equipment housing 1 can sample the oil layer. During the lifting process of the equipment housing 1, the servo motor 4 can be protected by the connecting frame 2, and the equipment housing 1 can be protected by the arc-shaped baffle 18. At the same time, the arc-shaped baffle 18 will drive the slide rod 16 to slide inside the fixed rod 15, and the movement of the slide rod 16 will compress the spring 17, so that the arc-shaped baffle 18 can be buffered to avoid hard contact between the arc-shaped baffle 18 and the inner wall of the oil well and cause damage to the arc-shaped baffle 18, which is beneficial to the long-term use of the arc-shaped baffle 18;

[0032] Embodiment 2: In this embodiment, as Figures 1-4As shown, on the basis of Embodiment 1, a structure for sampling and retaining oil by the equipment housing 1 is also disclosed, and the specific content is as follows;

[0033] It further includes: an oil layer sampling structure is arranged inside the equipment housing 1. Through this oil layer sampling structure, the oil enters the inside of the equipment housing 1, so as to facilitate subsequent analysis of the oil and is beneficial to the oil extraction work; the oil layer sampling structure includes a lead screw 5 fixedly connected to the end of the output shaft of the servo motor 4, and a piston plate 6 is threadedly connected to the outside of the lead screw 5, and the piston plate 6 is slidably arranged inside the equipment housing 1. The piston plate 6 is driven by the lead screw 5 to move up and down; a limiting rod 7 is fixedly connected above the piston plate 6, and the limiting rod 7 is slidably connected to the inside of the equipment housing 1. A filter screen 13 is arranged below the piston plate 6, and the filter screen 13 is fixedly installed inside the equipment housing 1;

[0034] When the equipment housing 1 drives the one-way oil inlet valve 14 to contact the oil layer, the servo motor 4 is controlled to be turned on, so that the output shaft of the servo motor 4 can drive the lead screw 5 to rotate inside the equipment housing 1. Since the lead screw 5 and the piston plate 6 are threadedly connected, the lead screw 5 will drive the piston plate 6 to move upward inside the equipment housing 1. Through the sliding setting of the limiting rod 7 and the equipment housing 1, the piston plate 6 is not easily rotated with the lead screw 5, which is beneficial to improving the stability of the movement of the piston plate 6. Through the cooperation of the piston plate 6 and the equipment housing 1, the oil can enter the equipment housing 1 from the one-way oil inlet valve 14, so as to complete the sampling and retention of the oil, which is very convenient;

[0035] Embodiment 3: In this embodiment, as Figures 1-6 shown, on the basis of Embodiment 2, a structure for cleaning the filter screen 13 is also disclosed, and the specific content is as follows;

[0036] A pulley is fixedly installed on the outside of the output shaft of the servo motor 4, and a first belt 8 is sleeved on the outside of the pulley. Another set of pulleys is sleeved on the inside of the right end of the first belt 8, and a rotating rod 9 is fixedly installed on the inside of the other set of pulleys; the rotating rod 9 is arranged through the right fixed rod 15, and a pulley is fixedly connected to the outside of the lower end of the rotating rod 9. A second belt 10 is sleeved on the outside of the pulley, and another set of pulleys is sleeved on the inside of the left end of the second belt 10, and a driving rod 11 is fixedly installed on the inside of the other set of pulleys; the driving rod 11 is rotatably connected to the lower end of the equipment housing 1, and the upper end of the driving rod 11 penetrates through the equipment housing 1. A scraper 12 is fixedly connected to the upper end of the driving rod 11, and the scraper 12 is in contact connection with the lower surface of the filter screen 13. A one-way oil inlet valve 14 is arranged at the lower end of the equipment housing 1;

[0037] When the oil enters the equipment housing 1, the oil can be filtered through the filter screen 13, which is beneficial to subsequent detection of the oil. At this time, the sundries will remain on the lower surface of the filter screen 13;

[0038] When the output shaft of the servo motor 4 rotates, the servo motor 4 will drive the first belt 8 to rotate through the pulley. The rotation of the first belt 8 will drive another set of pulleys to rotate. The rotation of the other set of pulleys will drive the rotating rod 9 to rotate inside the right fixing rod 15. The rotation of the rotating rod 9 will drive the second belt 10 to rotate through the pulley. The rotation of the second belt 10 will drive the driving rod 11 to rotate inside the lower end of the equipment housing 1 through another set of pulleys. The rotation of the driving rod 11 will drive the scraper 12 to rotate on the lower surface of the filter screen 13. The rotation of the scraper 12 can clean the filter screen 13, avoid the blockage of the filter screen 13, and is beneficial to improving the stability of the device during use;

[0039] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0040] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A petroleum extraction sample oil layer sampling device, comprising a device housing (1), a connecting frame (2) fixedly mounted above the device housing (1), a servo motor (4) arranged inside the connecting frame (2), and the servo motor (4) fixedly mounted above the device housing (1) by bolts, and a pull rope (3) fixedly connected to the top of the connecting frame (2); It is characterized in that Also includes: An oil layer sampling structure is arranged inside the device housing (1), and oil enters the inside of the device housing (1) through the oil layer sampling structure, thereby facilitating subsequent analysis of the oil and facilitating oil extraction work; The device housing (1) is fixedly mounted with fixing rods (15) on both left and right sides, and a buffer protection structure is provided at one end of the fixing rod (15). The buffer protection structure prevents the device housing (1) from hitting the wall and being scratched and damaged during the lifting process in the oil well, thereby facilitating the safe use of the device housing (1).

2. The oil layer sampling device for oil production samples according to claim 1 is characterized by: The oil layer sampling structure comprises a screw rod (5) fixedly connected to the end of the output shaft of the servo motor (4), and a piston plate (6) is threadedly connected to the outer side of the screw rod (5), and the piston plate (6) is slidably arranged on the inner side of the device housing (1), and the piston plate (6) is driven by the screw rod (5) to move up and down.

3. The oil layer sampling device for oil production samples according to claim 2 is characterized in that: A limit rod (7) is fixedly connected above the piston plate (6), and the limit rod (7) is slidably connected to the inside of the device housing (1), and a filter screen (13) is provided below the piston plate (6), and the filter screen (13) is fixedly mounted on the inside of the device housing (1).

4. The oil layer sampling device for oil production samples according to claim 3 is characterized by: A pulley is fixedly mounted on the outside of the output shaft of the servo motor (4), and a first belt (8) is sleeved on the outside of the pulley. Another set of pulleys is sleeved on the inside of the right end of the first belt (8), and a rotating rod (9) is fixedly mounted on the inside of the other set of pulleys.

5. The oil layer sampling device for oil production samples according to claim 1, characterized in that: The buffer protection structure comprises a sliding rod (16) slidably arranged inside the fixed rod (15), one end of the sliding rod (16) is fixedly connected to an arc-shaped baffle (18), and the other end of the sliding rod (16) is fixedly connected to a spring (17), while one end of the spring (17) is fixedly connected to the inner wall of the fixed rod (15).

6. The oil layer sampling device for oil production samples according to claim 4, characterized in that: The rotating rod (9) is arranged to pass through the fixed rod (15) on the right side, and a pulley is fixedly connected to the outer side of the lower end of the rotating rod (9), and a second belt (10) is sleeved on the outer side of the pulley. At the same time, another set of pulleys is sleeved on the inner side of the left end of the second belt (10), and a driving rod (11) is fixedly installed on the inner side of the other set of pulleys.

7. The oil layer sampling device for oil production samples according to claim 6, characterized in that: The driving rod (11) is rotatably connected to the lower end of the device housing (1), and the upper end of the driving rod (11) is arranged to penetrate the device housing (1), and the upper end of the driving rod (11) is fixedly connected to a scraper (12), and the scraper (12) is contact-connected to the lower surface of the filter screen (13), and a one-way oil inlet valve (14) is arranged at the lower end of the device housing (1).

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