Sampling device for petroleum geological exploration

Abstract

The utility model provides a sampling device for petroleum geological exploration, and relates to the field of petroleum sampling. A sampling device for petroleum geological exploration comprises a base and a drill bit, a top plate is arranged at the top of the base, a sampling mechanism is arranged above the base, the sampling mechanism comprises a bottom sampling assembly, a middle sampling assembly and a winding assembly, the bottom sampling assembly comprises a pressing plate used for pressing inlet oil, and the middle sampling assembly comprises a winding assembly. The middle sampling assembly comprises an oil permeation hole for oil permeation, a sampling barrel is manually put in, when a middle sample is taken, petroleum flows in by pulling the middle sampling assembly, so that the middle sample is collected, and when the sampling barrel reaches the ground and a pressing plate is in contact and extrusion with the ground, petroleum at the bottom flows in; sampling on the bottom is achieved, the detected petroleum quality is more accurate, and the average characteristic of the whole petroleum can be better reflected.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of oil sampling, in particular to a sampling device for oil geological exploration. BACKGROUND

[0002] Oil geological exploration refers to comprehensively evaluating oil and gas prospects by using various exploration means to understand underground geological conditions and understand oil generation, oil storage, oil and gas migration, accumulation and preservation conditions after oil exploration. Sampling is performed after oil exploration, and oil sampling refers to the process of collecting oil samples from underground reservoirs or production facilities in order to analyze and evaluate the properties, quality and reserves of oil during oil exploration, development and production.

[0003] According to the patent network (publication number: CN216349686U) discloses a sampling device for oil geological exploration. When the length of the drill rod is not enough, two hydraulic machines are started to drive the sliding plate to move downward, so that the deeper underground can be sampled, the drilling depth is adjusted, and the stable drilling work is facilitated.

[0004] Although the structure of the prior art can adjust the drilling depth, there are still the following defects: it is difficult to sample the middle part, which may have a multi-faceted impact on the quality evaluation, transaction and processing of oil, and cannot accurately reflect the overall characteristics of oil, resulting in reduced representativeness of the sample. Practical new type content

[0005] (I) Technical problem solved

[0006] In view of the deficiencies of the prior art, the application provides a sampling device for oil geological exploration, which solves the problems mentioned in the background art.

[0007] (II) Technical scheme

[0008] To achieve the above purpose, the application is implemented by the following technical scheme: a sampling device for oil geological exploration, comprising a base and a drill bit, the top of the base is provided with a top plate, the top of the base is provided with a sampling mechanism, the sampling mechanism comprises a bottom sampling assembly, a middle sampling assembly and a winding assembly, the bottom sampling assembly comprises a pressing plate for pressing oil, the middle sampling assembly comprises an oil permeable hole, the bottom of the top plate is provided with an adjusting mechanism, the adjusting mechanism comprises a threaded rod one for moving adjustment, the bottom of the top plate is provided with a lifting drilling hole mechanism, the lifting drilling hole mechanism comprises a drilling assembly and a lifting assembly, the drilling assembly comprises a motor one for providing power, and the lifting assembly comprises a threaded rod two for rotating lifting.

[0009] By adopting the technical scheme, the sampling barrel is manually placed, when the middle sample is taken, the middle sampling assembly is pulled to make the oil flow in, thereby collecting the middle sample, when the sampling barrel reaches the bottom of the ground and the pressing plate contacts and extrudes the bottom of the ground, thereby the oil at the bottom flows in, when the drill bit is used up, the adjusting mechanism is started to make the sampling barrel descend along the drill hole.

[0010] Preferably, the bottom sampling assembly comprises a sampling barrel arranged above the base, an inner wall of the sampling barrel is fixedly installed with a partition plate, a bottom of the partition plate is fixedly installed with a pressing column, the inner wall of the sampling barrel is further fixedly installed with a partition plate, a top of the partition plate is penetrated to form a sliding groove, an outer side wall of the pressing column is fixedly installed with a blocking plug, the blocking plug is matched with the sliding groove, a top of the blocking plug is fixedly connected with a spring, a top end of the spring is connected with the partition plate, and the pressing plate is fixedly connected with the bottom of the pressing column.

[0011] By adopting the technical scheme, when the sampling barrel reaches the bottom of the ground and the pressing plate contacts the bottom of the ground, the spring is compressed, the blocking plug slides in the sliding groove, and the oil at the bottom flows in through the sliding groove, thereby achieving sampling at the bottom.

[0012] Preferably, the middle sampling assembly comprises an oil inlet arranged on one side of the sampling barrel, the sampling barrel is internally provided with a blocking frame, the oil inlet is arranged on the top of the blocking frame, the sampling barrel is provided with a connecting strip on the top, the sampling barrel is penetrated to form a pulling groove on the top, the top of the blocking frame is fixedly connected with a pulling rope, and the pulling rope slides in the pulling groove.

[0013] By adopting the technical scheme, the sampling barrel is manually placed from the inside of the drill hole, when the middle sample is taken, the pulling rope is pulled to drive the blocking frame to rise, the oil inlet is opened, the oil flows in, thereby collecting the middle sample.

[0014] Preferably, the adjusting mechanism comprises a motor groove arranged on one side of the top plate, a second motor is fixedly installed on the inner wall of the motor groove, a sliding groove is arranged on the inner top wall of the top plate, a threaded rod one is rotatably connected to the inner wall on both sides of the sliding groove, two driven rods are further fixedly installed on both sides of the inner wall of the sliding groove, the two driven rods are located on both sides of the threaded rod one, a moving block is threadedly connected to the outer side wall of the threaded rod one, the moving block is slidably connected with the two driven rods, and the bottom of the moving block is fixedly installed with an electric sliding rail.

[0015] Through the above technical scheme, the motor two drives the threaded rod one to rotate, the moving block moves left and right, and the drill bit moves.

[0016] Preferably, the drilling assembly comprises a fixed column fixedly installed below the top plate, the fixed column is fixedly installed on the electric slide rail, one side of the fixed column is fixedly installed with a motor one, and the bottom of the fixed column is fixedly installed with a mounting plate, the drill bit is rotatably connected to the bottom of the mounting plate, and the output end of the motor one is connected with the drill bit.

[0017] Through the above technical scheme, the motor one is started to drive the drill bit to rotate, thereby drilling the ground, and the fixed column is installed to fix the motor one.

[0018] Preferably, the lifting assembly comprises a mounting groove formed in one side of the top plate, the inner side wall of the mounting groove is fixedly installed with a motor three, the bottom of the top plate is fixedly installed with two lifting boxes, the inner top wall of one of the two lifting boxes is rotatably connected with a threaded rod two, the motor three is connected with the threaded rod two, and the outer side wall of the threaded rod two is threadedly connected with a sliding block.

[0019] Through the above technical scheme, the motor three drives the threaded rod two to rotate, the sliding block moves left and right, and the drill bit is assisted to drill.

[0020] Preferably, the inner top wall of the other of the two lifting boxes is fixedly installed with a sliding rod, and the sliding block is slidably connected with the sliding rod.

[0021] Through the above technical scheme, the sliding rod is installed to stabilize the sliding.

[0022] (Three) beneficial effects

[0023] The application provides a sampling device for petroleum geological exploration. The specific beneficial effects are as follows:

[0024] 1. The sampling device for petroleum geological exploration is placed into the sampling barrel by hand, when the middle sample is taken, the middle sampling assembly is pulled to make the petroleum flow in, thereby collecting the middle sample, when the sampling barrel reaches the bottom of the ground and the pressing plate is in contact with the bottom of the ground, the bottom petroleum flows in, the bottom is sampled, the detected petroleum quality is more accurate, and the average characteristics of the overall petroleum can be better reflected.

[0025] 2. The sampling device for oil geological exploration, when the drill bit is used, the sampling barrel is lowered to the drilling hole by starting the adjusting assembly, automatic sampling is realized, continuous work is realized, manual intervention is not needed, sampling efficiency is greatly improved, labor cost is reduced, errors caused by manual operation are reduced, and the representativeness of the sample is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, a brief introduction will be given to the drawings needed in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained according to these drawings without creative labor for those skilled in the art.

[0027] Figure 1 It is a schematic view of the three-dimensional structure of the present application;

[0028] Figure 2 It is a schematic view of the cross-sectional structure of the sampling mechanism of the present application;

[0029] Figure 3 It is a schematic view of the cross-sectional structure of the sampling mechanism of the present application; Figure 2 It is an enlarged view of structure A in the present application;

[0030] Figure 4 It is a schematic view of the cross-sectional structure of the top plate of the present application;

[0031] Figure 5 It is a schematic view of the cross-sectional structure of the lifting box of the present application;

[0032] Figure 6 It is a schematic view of the cross-sectional structure of the sampling mechanism of the present application; Figure 5 It is an enlarged view of structure B in the present application.

[0033] In the figure: 1, base; 10, drill bit; 11, top plate; 2, sampling mechanism; 20, bottom sampling assembly; 21, middle sampling assembly; 201, sampling barrel; 202, separation piece; 203, pressing column; 204, partition; 205, sliding groove; 206, plugging plug; 207, spring; 208, pressing plate; 211, oil inlet; 212, plugging frame; 213, oil hole; 214, pulling groove; 215, connecting strip; 216, pulling rope; 3, adjusting mechanism; 31, motor groove; 32, threaded rod one; 33, sliding groove; 34, driven rod; 35, moving block; 36, motor two; 37, electric sliding rail; 4, lifting drilling mechanism; 40, drilling assembly; 41, lifting assembly; 401, fixed column; 402, mounting plate; 403, motor one; 411, mounting groove; 412, lifting box; 413, motor three; 414, threaded rod two; 415, sliding rod; 416, sliding block. DETAILED DESCRIPTION

[0034] The application will be further described in detail by the accompanying drawings and embodiments.

[0035] With reference to Figures 1 to 6 The embodiment of the application provides a sampling device for oil geological exploration, which comprises a base 1 and a drill bit 10, the top of the base 1 is provided with a top plate 11, the upper portion of the base 1 is provided with a sampling mechanism 2, the sampling mechanism 2 comprises a bottom sampling assembly 20, a middle sampling assembly 21 and a winding assembly 22, the bottom sampling assembly 20 comprises a pressing plate 208 for pressing into oil, the middle sampling assembly 21 comprises an oil permeating hole 213 for permeating oil, the bottom of the top plate 11 is provided with an adjusting mechanism 3, the adjusting mechanism 3 comprises a threaded rod one 32 for moving adjustment, the bottom of the top plate 11 is provided with a lifting drilling mechanism 4, the lifting drilling mechanism 4 comprises a drilling assembly 40 and a lifting assembly 41, the drilling assembly 40 comprises a motor one 403 for providing power, the lifting assembly 41 comprises a threaded rod two 414 for rotating lifting, the sampling barrel 201 is manually put in, when the middle sample is taken, the middle sampling assembly 21 is pulled to make oil flow, so that the middle sample is collected, when the sampling barrel 201 reaches the bottom of the earth, the pressing plate 208 is in contact with the bottom of the earth and is pressed, so that the bottom oil flows, the bottom is sampled, the quality of the detected oil is more accurate, and the average characteristics of the whole oil can be better reflected, when the drill bit 10 is used, the sampling barrel 201 is lowered to be aligned with the drill hole by starting the adjusting mechanism 3, automatic sampling is realized, the sampling device can continuously work without manual intervention, the sampling efficiency is greatly improved, the labor cost is reduced, the error caused by manual operation is reduced, and the representativeness of the sample is ensured.

[0036] With reference to Figure 2 and Figure 3In an aspect of the embodiment, the bottom sampling assembly 20 comprises a sampling barrel 201 arranged above the base 1, an inner wall of the sampling barrel 201 is fixedly installed with a partition plate 202, a bottom of the partition plate 202 is fixedly installed with a pressing column 203, an inner wall of the sampling barrel 201 is further fixedly installed with a partition plate 204, a top of the partition plate 204 is penetrated through to be provided with a sliding groove 205, an outer side wall of the pressing column 203 is fixedly installed with a blocking plug 206, the blocking plug 206 is matched with the sliding groove 205, a top of the blocking plug 206 is fixedly connected with a spring 207, a top end of the spring 207 is connected with the partition plate 202, a pressing plate 208 is fixedly connected with a bottom of the pressing column 203, when the sampling barrel 201 reaches the bottom of the earth, the pressing plate 208 is in contact with the bottom of the earth, the spring 207 is compressed, the blocking plug 206 slides in the sliding groove 205, and thus the bottom oil flows into the sliding groove 205, and the bottom sampling is realized.

[0037] With reference to Figure 2 And Figure 3 In an aspect of the embodiment, the middle sampling assembly 21 comprises an oil inlet 211 arranged on one side of the sampling barrel 201, the sampling barrel 201 is internally provided with a blocking frame 212, the oil permeable hole 213 is arranged on a top of the blocking frame 212, the sampling barrel 201 is installed with a connecting strip 215 on the top, the sampling barrel 201 is penetrated through to be provided with a pulling groove 214 on the top, the blocking frame 212 is fixedly connected with a pulling rope 216 on the top, the pulling rope 216 slides in the pulling groove 214, the sampling barrel 201 is manually put into the inside of the drilling hole, when the middle sample is collected, the blocking frame 212 is driven to rise by pulling the pulling rope 216, the oil inlet 211 is opened, the oil flows in, and thus the middle sample is collected.

[0038] With reference to Figure 1 And Figure 4In an aspect of the embodiment, the adjusting mechanism 3 comprises a motor slot 31 formed on one side of the top plate 11, a motor two 36 fixedly installed on the inner wall of the motor slot 31, a sliding slot 33 formed on the inner top wall of the top plate 11, the threaded rod one 32 rotationally connected to the inner wall of the sliding slot 33 on both sides, two driven rods 34 fixedly installed on the inner wall of the sliding slot 33 on both sides, the threaded rod one 32 located on the two sides of the two driven rods 34, a moving block 35 threadedly connected to the outer side wall of the threaded rod one 32, the moving block 35 slidingly connected between the two driven rods 34, an electric sliding rail 37 fixedly installed on the bottom of the moving block 35, the threaded rod one 32 driven by the motor two 36 to rotate, the moving block 35 moved left and right, and the drill bit 10 driven to move, the electric sliding rail 37 started to drive the drill bit 10 to move forward and backward, and the driven rods 34 installed to stabilize the sliding and avoid tilting during the movement, thereby preventing the device from being damaged.

[0039] With reference to Figure 5 And Figure 6 In an aspect of the embodiment, the drilling assembly 40 comprises a fixed column 401 fixedly installed below the top plate 11, the fixed column 401 fixedly installed on the electric sliding rail 37, a motor one 403 fixedly installed on one side of the fixed column 401, an installation plate 402 fixedly installed on the bottom of the fixed column 401, the drill bit 10 rotationally connected to the bottom of the installation plate 402, and the output end of the motor one 403 connected to the drill bit 10, the drill bit 10 driven to rotate by starting the motor one 403, thereby drilling the ground, and the fixed column 401 installed to fix the motor one 403, thereby preventing the motor one 403 from rotating.

[0040] With reference to Figure 5 And Figure 6 In an aspect of the embodiment, the lifting assembly 41 comprises an installation slot 411 formed on one side of the top plate 11, a motor three 413 fixedly installed on the inner side wall of the installation slot 411, two lifting boxes 412 fixedly installed on the bottom of the top plate 11, a threaded rod two 414 rotationally connected to the inner top wall of one of the two lifting boxes 412, the motor three 413 connected to the threaded rod two 414, and a sliding block 416 threadedly connected to the outer side wall of the threaded rod two 414, the threaded rod two 414 driven to rotate by the motor three 413, the sliding block 416 moved left and right, and the drill bit 10 assisted to drill by the sliding block 416.

[0041] With reference to Figure 5 And Figure 6In one aspect of the embodiment, the inner top wall of the other of the two lifting boxes 412 is fixedly provided with a sliding rod 415, and the sliding block 416 is in sliding connection with the sliding rod 415. The sliding rod 415 is used to stabilize the sliding and avoid tilting during lifting, thereby preventing damage to the device.

[0042] All the electrical equipment in the scheme is powered by an external power supply.

[0043] Working principle: When the sampling device for petroleum geological exploration is in use, the sampling barrel 201 is placed manually. When the middle sample is taken, the middle sampling assembly 21 is pulled to make the oil flow in, so as to collect the middle sample. When the sampling barrel 201 reaches the bottom of the ground, the pressing plate 208 is in contact with the bottom of the ground, and the bottom oil flows in. When the drill bit 10 is used, the sampling barrel 201 is lowered to align the drill hole by starting the adjusting mechanism 3. When the sampling barrel 201 reaches the bottom of the ground, the pressing plate 208 is in contact with the bottom of the ground, which compresses the spring 207, so that the blocking plug 206 slides in the sliding groove 205, and the bottom oil flows in through the sliding groove 205, achieving bottom sampling. The sampling barrel 201 is placed manually from the inside of the drill hole. When the middle sample is taken, the pulling rope 216 is pulled to drive the blocking frame 212 to rise, so that the oil inlet 211 is opened, and the oil flows in, so as to collect the middle sample. The motor two 36 drives the threaded rod one 32 to rotate, so that the moving block 35 moves left and right, thereby driving the drill bit 10 to move. The electric sliding rail 37 is started to drive the drill bit 10 to move forward and backward. The driven rod 34 is installed to stabilize the sliding. The motor one 403 is started to drive the drill bit 10 to rotate, so as to drill the ground. The fixed column 401 is installed to fix the motor one 403. The motor three 413 drives the threaded rod two 414 to rotate, so that the sliding block 416 moves left and right, which is used to assist the drill bit 10 to drill the hole. The sliding rod 415 is installed to stabilize the sliding.

[0044] It should be noted that, in the present document, the terms such as first and second, etc., are merely used 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. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or device.

[0045] While embodiments of the present application have been shown and described, it is to be understood that the embodiments described are merely divergences of the principles and spirit of the application and that numerous modifications, both as to the details of construction and the product itself, can be made by those skilled in the art without departing from the principles and spirit of the application and that the scope of the application is defined by the claims and their equivalents.

Claims

1. A sampling device for petroleum geological exploration, comprising a base (1) and a drill bit (10), characterized in that: The base (1) is provided with a top plate (11) on top, and a sampling mechanism (2) is provided above the base (1). The sampling mechanism (2) includes a bottom sampling component (20), a middle sampling component (21), and a winding component (22). The bottom sampling component (20) includes a pressing plate (208) for pressing the oil inlet. The middle sampling component (21) includes an oil inlet hole (213) for oil penetration. The bottom of the top plate (11) is provided with an adjustment mechanism (3). The adjustment mechanism (3) includes a threaded rod (32) for moving and adjusting. The bottom of the top plate (11) is provided with a lifting drilling mechanism (4). The lifting drilling mechanism (4) includes a drilling component (40) and a lifting component (41). The drilling component (40) includes a motor (403) for providing power. The lifting component (41) includes a threaded rod (414) for rotating and lifting.

2. A sampling device for petroleum geological exploration according to claim 1, characterized in that: The bottom sampling assembly (20) includes a sampling bucket (201) disposed above the base (1). A separator (202) is fixedly installed on the inner wall of the sampling bucket (201). A pressing post (203) is fixedly installed at the bottom of the separator (202). A partition (204) is also fixedly installed on the inner wall of the sampling bucket (201). A sliding groove (205) is provided through the top of the partition (204). A sealing plug (206) is fixedly installed on the outer wall of the pressing post (203). The sealing plug (206) is adapted to the sliding groove (205). A spring (207) is fixedly connected to the top of the sealing plug (206). The top of the spring (207) is connected to the separator (202). The pressing plate (208) is fixedly connected to the bottom of the pressing post (203).

3. A sampling device for petroleum geological exploration according to claim 2, characterized in that: The central sampling assembly (21) includes an oil inlet (211) on one side of the sampling barrel (201), a sealing frame (212) is provided inside the sampling barrel (201), an oil permeation hole (213) is opened on the top of the sealing frame (212), a connecting strip (215) is installed on the top of the sampling barrel (201), a pull groove (214) is provided through the top of the sampling barrel (201), and a pull rope (216) is fixedly connected to the top of the sealing frame (212). The pull rope (216) slides inside the pull groove (214).

4. A sampling device for petroleum geological exploration according to claim 1, characterized in that: The adjustment mechanism (3) includes a motor slot (31) opened on one side of the top plate (11). A second motor (36) is fixedly installed on the inner wall of the motor slot (31). A sliding groove (33) is opened on the inner top wall of the top plate (11). A threaded rod (32) is rotatably connected to both sides of the inner wall of the sliding groove (33). Two driven rods (34) are also fixedly installed on both sides of the inner wall of the sliding groove (33). The two driven rods (34) are located on both sides of the threaded rod (32). A moving block (35) is threadedly connected to the outer wall of the threaded rod (32). The moving block (35) is slidably connected to the two driven rods (34). An electric slide rail (37) is fixedly installed at the bottom of the moving block (35).

5. A sampling device for petroleum geological exploration according to claim 4, characterized in that: The drilling assembly (40) includes a fixed column (401) fixedly installed below the top plate (11), the fixed column (401) is fixedly installed on the electric slide rail (37), a motor (403) is fixedly installed on one side of the fixed column (401), an mounting plate (402) is fixedly installed on the bottom of the fixed column (401), the drill bit (10) is rotatably connected to the bottom of the mounting plate (402), and the output end of the motor (403) is connected to the drill bit (10).

6. A sampling device for petroleum geological exploration according to claim 1, characterized in that: The lifting assembly (41) includes a mounting groove (411) formed on one side of the top plate (11). A motor (413) is fixedly mounted on the inner sidewall of the mounting groove (411). Two lifting boxes (412) are fixedly mounted on the bottom of the top plate (11). A threaded rod (414) is rotatably connected to the inner top wall of one of the two lifting boxes (412). The motor (413) is connected to the threaded rod (414). A slider (416) is threadedly connected to the outer side wall of the threaded rod (414).

7. A sampling device for petroleum geological exploration according to claim 6, characterized in that: A sliding rod (415) is fixedly installed on the inner top wall of one of the two lifting boxes (412), and the slider (416) is slidably connected to the sliding rod (415).

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