Petroleum geological sampler capable of being quickly cleaned

Abstract

The petroleum geology sampler capable of being rapidly cleaned comprises a sampling shell, an oil inlet is formed in the bottom of the sampling shell, two symmetrical limiting plates are fixedly connected to the surface of the sampling shell, magnetic connecting mechanisms are fixedly connected to the inner walls of the limiting plates, and the magnetic connecting mechanisms are fixedly connected to the bottom of the sampling shell. Internal threads are formed in the upper part of the inner wall of the sampling shell, a sealing mechanism is arranged on the upper part of the sampling shell, a mounting mechanism matched with the magnetic connecting mechanism is arranged on the inner wall of the sampling shell, and a first fixing pipe is arranged at the upper end of the mounting mechanism. The sampling device is reasonable in structure, when the sampling shell needs to be cleaned, the sealing mechanism is rotated to be separated from the sampling shell, meanwhile, the first fixing pipe is pulled to enable the mounting mechanism to be taken away, the sampling shell, the first fixing pipe and the second fixing pipe are convenient to clean, re-sampling is convenient, in addition, a magnetic connecting mechanism is combined, and fixing bolts are disassembled, so that the sampling device is convenient to use. And the semicircular connecting ring I and the semicircular connecting ring II are separated, so that the inside and the outside are conveniently cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of petroleum sampling equipment, in particular to a petroleum geological sampler which can be quickly cleaned. Background Art

[0002] Petroleum exploration refers to the process of finding and identifying oil and gas resources by using various exploration methods to understand the underground geological conditions, understand the conditions of oil generation, oil storage, oil and gas migration, accumulation and preservation, comprehensively evaluate the oil and gas prospects, determine the favorable areas for oil and gas accumulation, find the oil and gas storage closures, and explore the area of ​​oil and gas fields, and understand the oil and gas layer conditions and production capacity. Therefore, it is necessary to sample and analyze the oil;

[0003] After a round of sampling, the existing sampling device needs to be manually disassembled and cleaned to prevent the residual sample from interfering with the analysis of the next round of sampling. However, the internal parts of the existing sampling device are difficult to disassemble and inconvenient to clean. Utility Model Content

[0004] In order to solve the above problems, the utility model proposes a petroleum geological sampler that can be quickly cleaned. The technical solution solves the problem that the parts inside the existing sampling device mentioned in the above background technology are difficult to disassemble and inconvenient to clean.

[0005] To achieve the above-mentioned purpose, the utility model provides a petroleum geological sampler capable of rapid cleaning, comprising a sampling shell, an oil inlet is provided at the bottom of the sampling shell, two symmetrical limit plates are fixedly connected to the surface of the sampling shell, a magnetic connection mechanism is fixedly connected to the inner wall of the limit plate, an internal thread is provided on the upper part of the inner wall of the sampling shell, and a sealing mechanism is provided on the upper part of the sampling shell;

[0006] The inner wall of the sampling shell is provided with a mounting mechanism that cooperates with the magnetic connection mechanism, the upper end of the mounting mechanism is provided with a fixing tube 1, the inner wall of the fixing tube 1 is fixedly connected with a spring 1, one end of the spring 1 is fixedly connected with a pulling rod, the surface of the pulling rod is provided with a groove, the surface of the pulling rod is provided with a mounting hole, and the inner wall of the mounting hole is rotatably connected with a traction ring 2;

[0007] A second fixing tube is provided at the lower end of the mounting mechanism, a second spring is fixedly connected to the inner wall of the second fixing tube, an extrusion rod is fixedly connected to one end of the second spring, a sealing gasket is provided on the outer surface of the extrusion rod, an extrusion base column is provided at one end of the extrusion rod, and a flow guide mechanism is provided on the surface of the bottom of the sampling shell.

[0008] Optionally, the magnetic connection mechanism includes a semicircular connection ring 1, a semicircular connection ring 2, two base plates and fixing bolts;

[0009] The semicircular connecting ring 1 and the semicircular connecting ring 2 are both arranged between two limiting plates, the two base plates are respectively fixedly connected to the semicircular connecting ring 1 and the semicircular connecting ring 2, a screw hole groove is opened on one side of the base plate, the fixing bolt is threadedly connected to the thread groove, and neodymium iron boron magnet blocks are arranged inside the semicircular connecting ring 1 and the semicircular connecting ring 2.

[0010] Optionally, the sealing mechanism includes a cover plate threadedly connected to the inner wall of the sampling shell, an opening opened in the center of the cover plate, a sealing ring fixedly connected to the inner wall of the opening, and a sealing sheet fixedly connected to the bottom of the cover plate.

[0011] Optionally, the mounting mechanism includes a magnet ring, a plurality of connecting rods fixedly connected to the inner wall of the magnet ring, and a connecting block fixedly connected to one end of the connecting rods.

[0012] Optionally, both ends of the connection block are provided with threaded openings, and the outer surfaces of the fixing pipe 1 and the fixing pipe 2 are provided with external threads.

[0013] Optionally, the flow guiding mechanism comprises a connecting magnetic ring fixedly connected to the bottom of the sampling shell and a flow guiding funnel magnetically connected to one side of the connecting magnetic ring;

[0014] The connecting magnetic ring is made of neodymium iron boron magnet, and the guide funnel is made of iron.

[0015] Optionally, a plurality of fixing columns are fixedly connected to the surface of the sealing mechanism, a rotating opening is opened on the surface of the fixing column, and a traction ring 1 is rotatably connected to the inner wall of the rotating opening.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The present application has a reasonable structure. When the sampling shell needs to be cleaned, the sealing mechanism is rotated to separate it from the sampling shell, and the fixed tube one is pulled at the same time to remove the installation mechanism, so that the sampling shell, the fixed tube one and the fixed tube two can be cleaned conveniently, and sampling can be performed again. In addition, the magnetic connection mechanism is combined, and the semicircular connecting ring one and the semicircular connecting ring two can be separated by removing the fixing bolts, so that the inside and outside can be cleaned conveniently.

[0018] In order to better understand and implement the present invention, the present invention is described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 It is a schematic diagram of the local structure of the utility model Figure 1 ;

[0021] Figure 3It is a schematic diagram of the local structure of the utility model Figure 2 ;

[0022] Figure 4 It is a three-dimensional structural schematic diagram of the installation mechanism, the first fixing pipe and the second fixing pipe in the utility model;

[0023] Figure 5 It is a schematic diagram of the cross-sectional structure of the fixed pipe 1 in the utility model.

[0024] In the figure: 1. sampling shell; 2. cover plate; 3. pulling rod; 4. fixing column; 5. traction ring 1; 6. semicircular connecting ring 1; 7. semicircular connecting ring 2; 8. limiting plate; 9. base plate; 10. fixing bolt; 11. fixing tube 1; 12. slot; 13. sealing ring; 14. internal thread; 15. guide funnel; 16. connecting block; 17. magnet ring; 18. connecting rod; 19. fixing tube 2; 20. extrusion rod; 21. sealing gasket; 22. extrusion base column; 23. connecting magnetic ring; 24. traction ring 2; 25. spring 1. DETAILED DESCRIPTION

[0025] In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific implementation methods of the utility model are now described with reference to the accompanying drawings, but the protection scope of the utility model is not limited to the following.

[0026] Reference Figure 1-5 As shown, a petroleum geological sampler capable of rapid cleaning comprises a sampling shell 1, an oil inlet is provided at the bottom of the sampling shell 1, two symmetrical limit plates 8 are fixedly connected to the surface of the sampling shell 1, a magnetic connection mechanism is fixedly connected to the inner wall of the limit plate 8, an internal thread 14 is provided at the upper part of the inner wall of the sampling shell 1, and a sealing mechanism is provided at the upper part of the sampling shell 1;

[0027] The inner wall of the sampling shell 1 is provided with a mounting mechanism that cooperates with the magnetic connection mechanism, and the upper end of the mounting mechanism is provided with a fixing tube 11, and the inner wall of the fixing tube 11 is fixedly connected with a spring 25, and one end of the spring 25 is fixedly connected with a pulling rod 3, and a groove 12 is provided on the surface of the pulling rod 3, and a mounting hole is provided on the surface of the pulling rod 3, and a traction ring 24 is rotatably connected to the inner wall of the mounting hole;

[0028] A fixing tube 2 19 is provided at the lower end of the mounting mechanism, a spring 2 is fixedly connected to the inner wall of the fixing tube 19, an extrusion rod 20 is fixedly connected to one end of the spring 2, a sealing gasket 21 is provided on the outer surface of the extrusion rod 20, an extrusion base column 22 is provided at one end of the extrusion rod 20, and a flow guide mechanism is provided on the surface of the bottom of the sampling shell 1.

[0029] When in use, the traction ring 24 is connected by a traction rope, and connected to the present application by a connecting rope, and then the present application is placed inside the oil well. When the sampling shell 1 descends to the middle of the oil well, the traction rope is pulled to force the traction rod 3 to move outward, and the spring 1 25 is stretched to make the groove 12 on the surface of the traction rod 3 flush with the sealing mechanism, and the oil enters the sampling shell 1 through the groove 12. After sampling, the traction rope is loosened, and the traction rod 3 is reset through the spring 1 25. When sampling the bottom of the oil well, the bottom of the oil well is contacted by the extrusion base column 22, and the extrusion rod 20 squeezes the spring 2 through the extrusion base column 22, so that the extrusion rod 20 moves upward, so that the sealing gasket 21 moves upward, and the oil enters through the oil inlet. Then, the connecting rope can be pulled to make the extrusion base column 22 have no external force, and the extrusion rod 20, the sealing gasket 21 and the extrusion base column 22 are reset by the spring 2.

[0030] When the sampling shell 1 needs to be cleaned, the sealing mechanism is rotated to separate it from the sampling shell 1, and the fixed tube 11 is pulled to remove the installation mechanism, so as to facilitate cleaning of the sampling shell 1, the fixed tube 11 and the fixed tube 2 19 and to facilitate re-sampling.

[0031] Specifically, the magnetic connection mechanism includes a semicircular connection ring 1 6, a semicircular connection ring 2 7, two base plates 9 and a fixing bolt 10;

[0032] The semicircular connecting ring 1 6 and the semicircular connecting ring 2 7 are both arranged between the two limiting plates 8, and the two base plates 9 are respectively fixedly connected to the semicircular connecting ring 1 6 and the semicircular connecting ring 2 7, and a screw hole groove is opened on one side of the base plate 9, and the fixing bolt 10 is threadedly connected with the thread groove, and the semicircular connecting ring 1 6 and the semicircular connecting ring 2 7 are both provided with neodymium iron boron magnet blocks inside;

[0033] By removing the fixing bolts 10, the semicircular connecting ring 1 6 and the semicircular connecting ring 2 7 are separated, and the magnet ring 17 is magnetically connected by the semicircular connecting ring 1 6 and the semicircular connecting ring 2 7, so as to fix the magnet ring 17.

[0034] Specifically, the sealing mechanism includes a cover plate 2 threadedly connected to the inner wall of the sampling shell 1, an opening opened in the center of the cover plate 2, a sealing ring 13 fixedly connected to the inner wall of the opening, and a sealing sheet fixedly connected to the bottom of the cover plate 2;

[0035] The cover plate 2 is threadedly connected to the sampling shell 1 through an internal thread 14, which is convenient for disassembly. The sealing ring 13 is used to cooperate with the pulling rod 3 to prevent oil from entering through the gap.

[0036] Specifically, the installation mechanism includes a magnet ring 17, a plurality of connecting rods 18 fixedly connected to the inner wall of the magnet ring 17, and a connecting block 16 fixedly connected to one end of the connecting rods 18;

[0037] Both ends of the connection block 16 are provided with threaded openings, and the outer surfaces of the fixing pipe 1 11 and the fixing pipe 2 19 are provided with external threads;

[0038] The fixing pipe 1 11 and the fixing pipe 2 19 connected by threads are convenient for disassembly and installation.

[0039] Specifically, the flow guiding mechanism includes a connecting magnetic ring 23 fixedly connected to the bottom of the sampling shell 1 and a flow guiding funnel 15 magnetically connected to one side of the connecting magnetic ring 23;

[0040] The connecting magnetic ring 23 is made of a neodymium iron boron magnet, and the guide funnel 15 is made of iron. When draining oil, the guide funnel 15 is magnetically connected to the connecting magnetic ring 23 to guide the oil.

[0041] Specifically, a plurality of fixed columns 4 are fixedly connected to the surface of the sealing mechanism, a rotating opening is opened on the surface of the fixed column 4, and a traction ring 5 is rotatably connected to the inner wall of the rotating opening, so that the connecting rope can be easily connected through the traction ring 5.

[0042] The above disclosure is only a preferred embodiment of the present invention, which certainly cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the claims of the present invention still fall within the scope covered by the present invention.

Claims

1. A petroleum geological sampler capable of rapid cleaning, characterized in that: The sampling shell (1) comprises an oil inlet at the bottom of the sampling shell (1), two symmetrical limit plates (8) are fixedly connected to the surface of the sampling shell (1), the inner wall of the limit plate (8) is fixedly connected to a magnetic connection mechanism, the upper part of the inner wall of the sampling shell (1) is provided with an internal thread (14), and the upper part of the sampling shell (1) is provided with a sealing mechanism; The inner wall of the sampling shell (1) is provided with a mounting mechanism that cooperates with the magnetic connection mechanism, the upper end of the mounting mechanism is provided with a fixing tube (11), the inner wall of the fixing tube (11) is fixedly connected with a spring (25), one end of the spring (25) is fixedly connected with a pulling rod (3), the surface of the pulling rod (3) is provided with a slot (12), the surface of the pulling rod (3) is provided with a mounting hole, and the inner wall of the mounting hole is rotatably connected with a traction ring (24); A second fixing tube (19) is provided at the lower end of the mounting mechanism, a second spring is fixedly connected to the inner wall of the second fixing tube (19), an extrusion rod (20) is fixedly connected to one end of the second spring, a sealing gasket (21) is provided on the outer surface of the extrusion rod (20), an extrusion base column (22) is provided on one end of the extrusion rod (20), and a flow guide mechanism is provided on the surface of the bottom of the sampling shell (1).

2. A petroleum geological sampler capable of rapid cleaning according to claim 1, characterized in that: The magnetic connection mechanism comprises a semicircular connection ring 1 (6), a semicircular connection ring 2 (7), two base plates (9) and fixing bolts (10); The semicircular connecting ring 1 (6) and the semicircular connecting ring 2 (7) are both arranged between two limiting plates (8); the two base plates (9) are respectively fixedly connected to the semicircular connecting ring 1 (6) and the semicircular connecting ring 2 (7); a screw hole groove is provided on one side of the base plate (9); the fixing bolt (10) is threadedly connected to the screw hole groove; and neodymium iron boron magnet blocks are both arranged inside the semicircular connecting ring 1 (6) and the semicircular connecting ring 2 (7).

3. A petroleum geological sampler capable of rapid cleaning according to claim 1, characterized in that: The sealing mechanism comprises a cover plate (2) threadedly connected to the inner wall of the sampling shell (1), an opening provided at the center of the cover plate (2), a sealing ring (13) fixedly connected to the inner wall of the opening, and a sealing sheet fixedly connected to the bottom of the cover plate (2).

4. A petroleum geological sampler capable of rapid cleaning according to claim 1, characterized in that: The mounting mechanism comprises a magnet ring (17), a plurality of connecting rods (18) fixedly connected to the inner wall of the magnet ring (17), and a connecting block (16) fixedly connected to one end of the connecting rods (18).

5. A petroleum geological sampler capable of rapid cleaning according to claim 4, characterized in that: Both ends of the connection block (16) are provided with threaded openings, and the outer surfaces of the fixing pipe 1 (11) and the fixing pipe 2 (19) are provided with external threads.

6. A petroleum geological sampler capable of rapid cleaning according to claim 1, characterized in that: The flow guiding mechanism comprises a connecting magnetic ring (23) fixedly connected to the bottom of the sampling shell (1) and a flow guiding funnel (15) magnetically connected to one side of the connecting magnetic ring (23); The connecting magnetic ring (23) is made of a neodymium iron boron magnet, and the guide funnel (15) is made of iron.

7. A petroleum geological sampler capable of rapid cleaning according to claim 1, characterized in that: A plurality of fixed columns (4) are fixedly connected to the surface of the sealing mechanism, a rotating opening is provided on the surface of the fixed column (4), and a traction ring (5) is rotatably connected to the inner wall of the rotating opening.

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