Balanced oilfield development oil sample collector
By designing a balanced oil sample collection instrument for oilfield development that prevents leakage, the problems of limited sample capacity and leakage have been solved, enabling convenient batch sampling and sample delivery for testing, and improving collection efficiency and accuracy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YANCHANG OIL FIELD
- Filing Date
- 2025-08-22
- Publication Date
- 2026-07-24
AI Technical Summary
Existing oil sampling instruments have limited sample capacity, making it inconvenient for batch sampling and prone to leakage, thus hindering efficient testing.
A balanced oil sample collection instrument for oilfield development was designed to prevent leakage. The installation mechanism and fixing cap ensure a stable connection between the sampling tube and the fixing column. After sampling, a rubber stopper is used to plug the lower end of the sampling tube to prevent sample leakage.
It increases sample capacity, facilitates sample retrieval and delivery, prevents sample leakage, and improves collection efficiency and accuracy.
Smart Images
Figure CN224552811U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of petroleum sampling technology, specifically to a balanced oil sample collection instrument for oilfield development that prevents leakage. Background Technology
[0002] Petroleum is a viscous, dark brown liquid, often referred to as the "blood of industry." It is stored in parts of the upper crust and is widely used. When extracting petroleum, it is necessary to sample the oil in the wells, and this sampling usually requires the aid of a corresponding oil sampling instrument. Referring to Chinese Patent Publication No. CN212780066U, with the publication date of the publication date being March 23, 2021, an oil sample collection device for oilfield development is disclosed. This device obtains oil well samples at five different depths in five collection tanks. As a result, the device body is simple, convenient and easy to operate, and can extract samples from multiple depths at once, thus achieving higher efficiency. However, existing technologies have problems such as limited sample capacity, inconvenience in batch sampling, inconvenience in removing and sending samples for testing, and easy leakage of samples. For example, the comparative patents listed above have this problem. To address this issue, we propose a balanced oil sampling instrument for oilfield development that prevents gas leakage. Utility Model Content
[0003] The purpose of this invention is to provide a balanced oil sample collection instrument for oilfield development that prevents leakage, in order to solve the problems of limited sample capacity, inconvenience in batch sampling, inconvenience in taking samples for testing, and easy leakage of samples in the prior art mentioned in the background.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a balanced oil sample collection instrument for preventing gas leakage in oilfield development, comprising a connecting bracket, a fixed column fixedly connected to the side of the connecting bracket, and a sampling cylinder disposed on the side of the fixed column away from the connecting bracket; The connecting bracket is connected to external lifting equipment; Also includes: The installation mechanism is located between the sampling tube and the fixed column, and the installation mechanism drives the sampling tube and the fixed column to form a disassembly structure, and the sampling tube is set at an equal angle at the lower end of the connecting bracket. A rubber stopper is provided below the sampling cylinder and is fixedly connected to the lower end of a fixing rod. The fixing rod drives the rubber stopper to form a telescopic structure below the sampling cylinder. The fixing rod is fixedly connected to the lower end of the piston and inserted into the lower end of the sampling cylinder.
[0005] Preferably, the installation mechanism includes a fixing plate fixedly connected to the upper and lower ends of the fixing column near the sampling cylinder, a spring disposed in the middle of the fixing plate, a movable column fixedly connected to the movable end of the spring, and a fixing block with a "T" shaped structure.
[0006] Preferably, the movable column and the fixed plate form a sliding structure, and the movable column and the fixed block are engaged and connected, and the fixed block is fixedly connected to the side of the sampling cylinder.
[0007] Preferably, the movable column is engaged with the positioning block, and the positioning block is fixedly connected to the upper and lower ends of the movable plate, and the movable plate is slidably connected to the outside of the fixed column.
[0008] Preferably, the side of the movable plate is fitted with a fixing cap for locking, and the fixing cap is threaded to the outside of the fixing post.
[0009] Preferably, an electric telescopic rod for driving is fixedly installed in the middle of the sampling cylinder, and a connecting rod is fixedly connected to the output end of the electric telescopic rod. The electric telescopic rod drives the connecting rod to form a sliding structure with the sampling cylinder, and the electric telescopic rod is powered by a storage battery.
[0010] Preferably, a piston is fixedly connected to the lower end of the connecting rod, and movable rods are hinged to both the left and right sides of the lower end of the connecting rod.
[0011] Preferably, the upper end of the movable rod is hinged to a blocking block, and the blocking block is respectively engaged with the left and right ends of the sampling cylinder.
[0012] Compared with the prior art, the beneficial effects of this utility model are: the gas-proof balanced oilfield development oil sample collection instrument, in actual use, facilitates the connection and installation between the fixed column and the sampling tube through the setting of the installation mechanism and the fixing cap. At the same time, the sampling tube is set at an equal angle at the lower end of the connecting bracket, which increases the sample capacity and facilitates the removal and testing of the sample after sampling. In addition, when the sampling is completed, the rubber stopper is locked at the lower end of the sampling tube to prevent the sample from leaking. 1. An installation mechanism is provided, which includes a fixed plate, a spring, a movable column, and a fixed block. The installation mechanism facilitates the connection and installation between the fixed column and the sampling tube. 2. It is equipped with a fixed cap, a movable plate and a positioning block. The fixed cap limits the movement between the movable plate and the connecting bracket. The movable plate drives the positioning block to engage with the movable column, which improves the stability of the connection between the sampling tube and the fixed column. 3. It is equipped with a fixing rod and a rubber stopper. The fixing rod drives the rubber stopper to extend and retract at the lower end of the sampling tube, so that the rubber stopper is locked at the lower end of the sampling tube. This makes it easy to automatically block the lower end of the sampling tube after sampling to prevent sample leakage. Attached Figure Description
[0013] Figure 1 This is a frontal sectional view of the present invention. Figure 2 This is a top view schematic diagram of the connection structure of the connecting bracket, fixing column and sampling cylinder of this utility model; Figure 3 This utility model Figure 1 Enlarged structural diagram at point A in the middle; Figure 4 This is a schematic diagram of the overall structure connecting the fixed plate, movable column, and fixed block of this utility model; Figure 5 This is a schematic diagram of the overall structure connecting the fixed column, fixed cap, movable plate and positioning block of this utility model; Figure 6 This is a bottom view of the connection between the sampling cylinder, fixing rod, and rubber stopper of this utility model.
[0014] In the diagram: 1. Connecting bracket; 2. Fixed column; 3. Sampling cylinder; 4. Installation mechanism; 5. Fixed plate; 6. Spring; 7. Movable column; 8. Fixed block; 9. Fixed cap; 10. Movable plate; 11. Positioning block; 12. Electric telescopic rod; 13. Connecting rod; 14. Piston; 15. Movable rod; 16. Block; 17. Fixed rod; 18. Rubber plug. Detailed Implementation
[0015] 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.
[0016] Please see Figure 1-6 This utility model provides a technical solution: a balanced oil sample collection instrument for preventing gas leakage in oilfield development, including a connecting bracket 1, a fixed column 2, a sampling cylinder 3, an installation mechanism 4, a fixed plate 5, a spring 6, a movable column 7, a fixed block 8, a fixed cap 9, a movable plate 10, a positioning block 11, an electric telescopic rod 12, a connecting rod 13, a piston 14, a movable rod 15, a plug 16, a fixed rod 17, and a rubber plug 18.
[0017] When using this anti-leakage balanced oil sampling instrument for oil field development, such as Figure 1 , Figure 3 , Figure 4 and Figure 5 As shown, a fixed column 2 is fixedly connected to the side of the lower end of the connecting bracket 1, and the fixed column 2 is connected to the sampling cylinder 3 through the installation mechanism 4. The installation mechanism 4 includes a fixed plate 5 fixedly connected to the upper and lower ends of the fixed column 2 near the sampling cylinder 3, a spring 6 set in the middle of the fixed plate 5, a movable column 7 fixedly connected to the movable end of the spring 6, and a fixed block 8 with a "T" shape. By pressing the movable column 7, the movable column 7 slides between the movable column 7 and the fixed plate 5, and the movable column 7 squeezes the spring 6, causing the spring 6 to undergo elastic deformation. Then, the fixed column 2 and the side of the sampling cylinder 3 are put into contact with each other, and the fixed column 2 is placed between the fixed blocks 8 at the upper and lower ends of the side of the sampling cylinder 3. Then, the movable column 7 is released, and the spring 6 returns to its elastic deformation, causing the movable column 7 to slide between the fixed plate 5, so that the movable column 7 and the fixed block 8 are engaged, thereby facilitating the connection and limiting between the fixed column 2 and the sampling cylinder 3. Then, rotate the fixing cap 9, which is threaded onto the outer surface of the fixing column 2. The fixing cap 9 is fitted against the movable plate 10. The fixing cap 9 drives the movable plate 10 to slide on the outer surface of the fixing column 2, causing the movable plate 10 to engage with the positioning block 11 and the movable column 7. This locks the movable column 7 and the fixing plate 5, preventing the movable column 7 from loosening from the fixing block 8, thus improving the stability of the connection between the fixing column 2 and the sampling cylinder 3. After the connection is completed, combine... Figure 2 As shown, repeat the above operation to install the sampling tubes 3 at the lower end of the connecting bracket 1 at equal angles. There are multiple sets of sampling tubes 3, and the sampling tubes 3 are at the same height to maintain balance, which increases the actual sample capacity and thus improves the accuracy of detection. The connecting bracket 1 is connected to the outer lifting equipment (not shown in the diagram). The lifting equipment lowers the connecting bracket 1, the fixing column 2, and the sampling cylinder 3 into the oilfield well for sampling. When the appropriate position is reached, if... Figure 1 and Figure 6 As shown, the electric telescopic rod 12 installed inside the sampling cylinder 3 is activated. The electric telescopic rod 12 drives the connecting rod 13 to slide upward. At this time, the connecting rod 13 rotates with the movable rod 15, and the movable rod 15 rotates with the plug 16, so that the outer side of the plug 16 loosens the seal on the side of the sampling cylinder 3, thereby maintaining stable air pressure when the piston 14 moves forward and backward. The piston 14 moves upward and draws oil into the inner side of the lower end of the sampling cylinder 3 for storage. The piston 14 drives the rubber stopper 18 to move upward through the fixed rod 17. After the extraction is completed, the rubber stopper 18 seals the lower end of the sampling cylinder 3 to prevent the sample inside the sampling cylinder 3 from leaking. It is very convenient to use. After sampling is completed, the lifting equipment will lift the sampling cylinder 3 out of the oil field and disassemble the sampling cylinder 3 from the fixed column 2, so that the sample inside the sampling cylinder 3 can be taken out and sent for testing, which is very convenient to use.
[0018] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A balanced oil sample collection device for preventing leakage in oilfield development, comprising a connecting bracket (1), a fixing column (2) fixedly connected to the side of the connecting bracket (1), and a sampling tube (3) disposed on the side of the fixing column (2) away from the connecting bracket (1). in, The connecting bracket (1) is connected to the external lifting equipment; Its characteristic is that it further includes: The installation mechanism (4) is set between the sampling tube (3) and the fixed column (2), and the installation mechanism (4) drives the sampling tube (3) and the fixed column (2) to form a disassembly structure, and the sampling tube (3) is set at an equal angle at the lower end of the connecting bracket (1); A rubber stopper (18) is provided below the sampling cylinder (3), and the rubber stopper (18) is fixedly connected to the lower end of the fixing rod (17), and the fixing rod (17) drives the rubber stopper (18) to form a telescopic structure below the sampling cylinder (3); The fixing rod (17) is fixedly connected to the lower end of the piston (14), and the fixing rod (17) is inserted into the lower end of the sampling cylinder (3).
2. The balanced oil sample collection instrument for preventing gas leakage in oilfield development according to claim 1, characterized in that: The installation mechanism (4) includes a fixing plate (5) fixedly connected to the upper and lower ends of the fixing column (2) near the sampling cylinder (3), a spring (6) set in the middle of the fixing plate (5), a movable column (7) fixedly connected to the movable end of the spring (6), and a fixing block (8) in the shape of a "T".
3. The balanced oil sample collection instrument for preventing gas leakage in oilfield development according to claim 2, characterized in that: The movable column (7) and the fixed plate (5) form a sliding structure, and the movable column (7) and the fixed block (8) are engaged and connected, and the fixed block (8) is fixedly connected to the side of the sampling cylinder (3).
4. The balanced oil sample collection instrument for preventing gas leakage in oilfield development according to claim 3, characterized in that: The movable column (7) is engaged in the positioning block (11), and the positioning block (11) is fixedly connected to the upper and lower ends of the movable plate (10), and the movable plate (10) is slidably connected to the outside of the fixed column (2).
5. The balanced oil sample collection instrument for preventing gas leakage in oilfield development according to claim 4, characterized in that: The side of the movable plate (10) is fitted with a fixing cap (9) for locking, and the fixing cap (9) is threaded to the outside of the fixing post (2).
6. The balanced oil sample collection instrument for preventing gas leakage as described in claim 1, characterized in that: An electric telescopic rod (12) for driving is fixedly installed in the middle of the sampling tube (3), and a connecting rod (13) is fixedly connected to the output end of the electric telescopic rod (12). The electric telescopic rod (12) drives the connecting rod (13) to form a sliding structure with the sampling tube (3), and the electric telescopic rod (12) is powered by a storage battery.
7. A balanced oil sample collection instrument for preventing gas leakage in oilfield development according to claim 6, characterized in that: The lower end of the connecting rod (13) is fixedly connected to a piston (14), and movable rods (15) are hinged to both the left and right sides of the lower end of the connecting rod (13).
8. A balanced oil sample collection instrument for preventing gas leakage in oilfield development according to claim 7, characterized in that: The upper end of the movable rod (15) is hinged to a block (16), and the block (16) is respectively engaged with the left and right ends of the sampling tube (3).