Petroleum sampling device suitable for offshore oil and gas exploitation

Abstract

The utility model provides an oil sampling device suitable for ocean oil and gas exploitation, which comprises a bottom column, the left side and the right side of the top of the bottom column are respectively provided with a sampling assembly, each sampling assembly comprises a convex block, the convex blocks are fixedly arranged on the left side and the right side of the top of the bottom column, and the bottom of each convex block is fixedly provided with a shell. The inner side of the shell is movably connected with a first pull rod, the surface of the first pull rod is sleeved with a first spring, by pulling the first pull rod, the first pull rod drives an insertion rod at the bottom to move towards the inner side of the shell, at the moment, the first spring deforms under the action of force, and the insertion rod moves and drives a baffle on the surface to move, so that an oil inlet leaks oil; petroleum at different depths is sampled, a worker can conveniently compare the pressure, temperature and oil water of deep oil gas, an insertion rod and a baffle are reset by loosening a first pull rod and a first spring to release elastic force, and impurities in the ocean are prevented from entering to affect the petroleum sampling quality.

Description

Technical Field

[0001] This utility model relates to an oil sampling device suitable for offshore oil and gas extraction, belonging to the technical field of sampling devices. Background Technology

[0002] Oil sampling equipment is indispensable in offshore oil and gas extraction, primarily used to collect oil and gas samples during the development of offshore oil and gas fields. These samples are used to analyze the physicochemical properties of the oil and gas, such as composition, density, pressure, and temperature, thus providing crucial data for reservoir assessment, production optimization, and reserve prediction. With the continuous development of offshore oil extraction technology, sampling equipment has also gradually evolved towards higher precision, higher efficiency, and automation. Traditional oil sampling equipment mostly employs mechanical sealing and manual operation, which suffers from incomplete sampling and complex operation. In recent years, the application of intelligent, automated, and remote operation technologies has enabled modern oil sampling equipment to operate stably in harsh marine environments, providing more accurate and reliable sampling results. These technological advancements have significantly improved the efficiency and accuracy of oil sampling, laying the foundation for the scientific development of deep-sea oil and gas resources.

[0003] Authorization announcement number (CN218725594U) discloses an oil sampling device, including a sampling assembly. The sampling assembly includes a sampler with a connecting plate on its top, a U-shaped rod fixedly connected to the outer wall of the sampler, and a pull rod disposed on the top of the connecting plate. The outer wall of the sampler is provided with a disassembly assembly. The disassembly assembly includes a ring body disposed on the outer wall of the sampler. This utility model has the advantage of disassembly. After sampling, the sampler can be removed from the crude oil solution. The plate body can be pulled down directly to separate multiple buckles from multiple slots, and the housing can be disassembled from the bottom of the ring body. At this time, the operator can directly transfer the sampler until the oil sample inside the sampler is removed. This achieves the goal of preventing a large amount of crude oil solution from adhering to the outer wall of the sampler, which would affect the normal transfer of the sampler, by setting up a housing and facilitating its disassembly.

[0004] In summary, the oil sampling device described above cannot sample oil at different depths. In offshore oil and gas fields, the composition and physical properties of oil and gas usually vary significantly with depth. Deep oil and gas may have different pressures, temperatures, oil-water ratios, and other characteristics. Sampling at only one depth may not be comparable, and it is impossible to more accurately assess the reserves and development potential of oil and gas reservoirs.

[0005] Therefore, a petroleum sampling device suitable for offshore oil and gas extraction is proposed. Utility Model Content

[0006] In view of this, the present invention provides an oil sampling device suitable for offshore oil and gas extraction, so as to solve or alleviate the technical problems existing in the prior art, and at least provide a beneficial option.

[0007] The technical solution of this utility model is implemented as follows: an oil sampling device suitable for marine oil and gas extraction includes a base column, sampling components are provided on the left and right sides of the top of the base column, the sampling components include protrusions, the protrusions are fixedly installed on the left and right sides of the top of the base column, a shell is fixedly installed on the bottom of the protrusions, a first pull rod is movably connected to the inner side of the shell, and a first spring is sleeved on the surface of the first pull rod.

[0008] More preferably, the bottom of the first pull rod is fixedly connected to an insert rod, and the surface of the insert rod is fixedly connected to a baffle. The number of baffles is three, which are evenly distributed on the surface of the insert rod.

[0009] More preferably, the top of the base column is provided with an installation assembly, the installation assembly including a fixing plate, the fixing plate being movably connected to the top of the base column, a second pull rod being slidably connected to the inner side of the fixing plate, a second spring being sleeved on the surface of the second pull rod, a top column being fixedly installed on the top of the fixing plate, and the first pull rod passing through the protrusion and extending to the top of the top column.

[0010] More preferably, a sliding column is fixedly installed on the top of the bottom column and inside the fixed plate, an upper disc is fixedly installed on the top of the sliding column, and a lower disc is movably connected to the bottom of the sliding column.

[0011] More preferably, a limiting block is fixedly installed on the left side of the second pull rod, and the limiting block is engaged between the upper and lower discs, and a counterweight cone is movably connected to the bottom of the base column via a shaft.

[0012] More preferably, the surface of the bottom column is provided with three oil inlets, which are equidistantly distributed on the surface of the bottom column.

[0013] More preferably, the inner cavity of the bottom column is fixedly equipped with a partition plate, and the number of the partition plates is three, which are equally distributed in the inner cavity of the bottom column.

[0014] The present invention has the following advantages due to the adoption of the above technical solution:

[0015] I. This utility model allows for the following: By pulling the first pull rod, the bottom insertion rod moves inward toward the inner side of the outer casing. At this time, the first spring deforms under the force, and the movement of the insertion rod moves the surface baffle, causing the oil inlet to leak out. This facilitates the sampling of oil at different depths, making it easier for staff to compare the pressure, temperature, and oil-water content of deep oil and gas. By releasing the first pull rod, the first spring releases its elasticity, allowing the insertion rod and baffle to return to their original positions, preventing impurities in the ocean from entering and affecting the quality of oil sampling.

[0016] Second, this utility model uses a limiting block to lift the bottom of the upper disc, thus combining the limiting block with the upper disc. At this time, if the fixed disc is pressed down further, the limiting block on the inner side of the fixed disc will reach the bottom along the groove on the surface of the lower disc, so that the limiting block and the bottom of the lower disc are engaged. By lifting the fixed disc, the limiting block on the inner side of the fixed disc will drive the lower disc to move upward, so that it is disengaged from the buckle, which facilitates the disassembly and installation of the device by the staff.

[0017] The above overview is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will become readily apparent from the accompanying drawings and the following detailed description. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a first-view perspective three-dimensional structural diagram of the present invention;

[0020] Figure 2 This is a second-view three-dimensional structural diagram of the present invention;

[0021] Figure 3 This is a schematic diagram of the internal structure of the oil storage tank of this utility model;

[0022] Figure 4 This is a schematic diagram of the sampling component structure of this utility model;

[0023] Figure 5 This is an enlarged structural schematic diagram of the sampling component of this utility model;

[0024] Figure 6 This is a schematic diagram of the installation component structure of this utility model.

[0025] Reference numerals: 1. Base column; 2. Counterweight cone; 3. Sampling assembly; 301. Protrusion; 302. Housing; 303. Insert rod; 304. First pull rod; 305. First spring; 306. Baffle; 4. Top column; 5. Mounting assembly; 501. Fixing plate; 502. Second pull rod; 503. Limiting block; 504. Second spring; 505. Sliding column; 506. Upper disc; 507. Lower disc; 6. Oil inlet; 7. Divider plate. Detailed Implementation

[0026] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of this invention. Therefore, the drawings and description are considered exemplary in nature and not restrictive.

[0027] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0028] Example 1

[0029] like Figure 1-5 As shown, this utility model embodiment provides an oil sampling device suitable for marine oil and gas extraction, including a base column 1. Sampling components 3 are provided on both the left and right sides of the top of the base column 1. The sampling components 3 include protrusions 301, which are fixedly installed on the left and right sides of the top of the base column 1. A housing 302 is fixedly installed on the bottom of the protrusions 301. A first pull rod 304 is movably connected to the inner side of the housing 302. A first spring 305 is sleeved on the surface of the first pull rod 304.

[0030] By pulling the first lever 304, the first lever 304 drives the bottom insert rod 303 to move inward toward the outer casing 302. At this time, the first spring 305 deforms under the action of force. As the insert rod 303 moves, it drives the surface baffle 306 to move, causing the oil inlet 6 to leak out, allowing oil to be sampled at different depths. This facilitates the comparison of pressure, temperature, and oil-water content of deep oil and gas by the staff. By releasing the first lever 304, the first spring 305 releases its elasticity, allowing the insert rod 303 and baffle 306 to return to their original positions, preventing impurities in the ocean from entering and affecting the quality of oil sampling.

[0031] Example 2

[0032] like Figure 1-6As shown, in one embodiment, a first pull rod 304 is fixedly connected to a plug rod 303 at its bottom. A baffle 306 is fixedly connected to the surface of the plug rod 303. Three baffles 306 are equidistantly distributed on the surface of the plug rod 303. A mounting assembly 5 is provided at the top of the base post 1. The mounting assembly 5 includes a fixing plate 501, which is movably connected to the top of the base post 1. A second pull rod 502 is slidably connected to the inner side of the fixing plate 501. A second spring 504 is sleeved on the surface of the second pull rod 502. A top post 4 is fixedly mounted on the top of the fixing plate 501. The first pull rod 304 passes through the protrusion 301 and extends to the top of the top post 4. A sliding column 505 is fixedly installed on the top of column 1 and inside the fixed plate 501. An upper disc 506 is fixedly installed on the top of the sliding column 505. A lower disc 507 is movably connected to the bottom of the sliding column 505. A limiting block 503 is fixedly installed on the left side of the second pull rod 502 and is engaged between the upper disc 506 and the lower disc 507. A counterweight cone 2 is movably connected to the bottom of the bottom column 1 through a shaft. An oil inlet 6 is opened on the surface of the bottom column 1. There are three oil inlets 6, which are equidistantly distributed on the surface of the bottom column 1. A partition plate 7 is fixedly installed in the inner cavity of the bottom column 1. There are three partition plates 7, which are equidistantly distributed in the inner cavity of the bottom column 1.

[0033] By lifting the bottom of the upper disc 506 using the limiting block 503, the limiting block 503 is engaged with the upper disc 506. At this time, the fixing disc 501 is pressed down further, and the limiting block 503 on the inner side of the fixing disc 501 reaches the bottom along the groove on the surface of the lower disc 507, so that the limiting block 503 is engaged with the bottom of the lower disc 507. By lifting the fixing disc 501, the limiting block 503 on the inner side of the fixing disc 501 drives the lower disc 507 to move upward, so that it is disengaged from the buckle, which facilitates the disassembly and installation of the device by the staff.

[0034] In operation, this invention works as follows: First, the counterweight cone 2 is moved to the sampling point. By pulling the first pull rod 304, the first pull rod 304 drives the bottom insertion rod 303 to move inward toward the outer casing 302. At this time, the first spring 305 deforms under the force. As the insertion rod 303 moves, it also drives the surface baffle 306 to move, allowing the oil inlet 6 to leak out, thus sampling oil at different depths. This facilitates the comparison of pressure, temperature, and oil-water content of deep oil and gas by the operator. By releasing the first pull rod 304, the first spring 305 releases its elastic force, allowing the insertion rod 303 and the baffle 306 to return to their original positions. To prevent impurities from the ocean from affecting the quality of oil sampling, the limiting block 503 is used to lift the bottom of the upper disc 506, thus engaging the limiting block 503 with the upper disc 506. At this time, the fixed disc 501 is pressed down further, and the limiting block 503 on the inner side of the fixed disc 501 moves along the groove on the surface of the lower disc 507 to the bottom, so that the limiting block 503 and the bottom of the lower disc 507 are engaged. Finally, by lifting the fixed disc 501, the limiting block 503 on the inner side of the fixed disc 501 drives the lower disc 507 to move upward, so that it is disengaged from the latch, which facilitates the disassembly and installation of the device by the staff.

[0035] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various variations or substitutions within the technical scope disclosed in this utility model, and these should all be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. An oil sampling device suitable for offshore oil and gas extraction, comprising a bottom column (1), characterized in that: Sampling components (3) are provided on both the left and right sides of the top of the bottom column (1). The sampling components (3) include protrusions (301). The protrusions (301) are fixedly installed on the left and right sides of the top of the bottom column (1). A housing (302) is fixedly installed on the bottom of the protrusions (301). A first pull rod (304) is movably connected to the inner side of the housing (302). A first spring (305) is sleeved on the surface of the first pull rod (304).

2. The oil sampling device suitable for offshore oil and gas extraction according to claim 1, characterized in that: The bottom of the first pull rod (304) is fixedly connected to a plug rod (303), and a baffle (306) is fixedly connected to the surface of the plug rod (303). There are three baffles (306) that are evenly distributed on the surface of the plug rod (303).

3. The oil sampling device suitable for offshore oil and gas extraction according to claim 1, characterized in that: The top of the base column (1) is provided with an installation assembly (5), which includes a fixing plate (501). The fixing plate (501) is movably connected to the top of the base column (1). A second pull rod (502) is slidably connected to the inner side of the fixing plate (501). A second spring (504) is sleeved on the surface of the second pull rod (502). A top column (4) is fixedly installed on the top of the fixing plate (501). The first pull rod (304) passes through the protrusion (301) and extends to the top of the top column (4).

4. The oil sampling device suitable for offshore oil and gas extraction according to claim 1, characterized in that: A sliding column (505) is fixedly installed on the top of the bottom column (1) and inside the fixed plate (501). An upper disc (506) is fixedly installed on the top of the sliding column (505), and a lower disc (507) is movably connected to the bottom of the sliding column (505).

5. The oil sampling device suitable for offshore oil and gas extraction according to claim 3, characterized in that: A limiting block (503) is fixedly installed on the left side of the second pull rod (502), and the limiting block (503) is engaged between the upper disc (506) and the lower disc (507). The bottom of the bottom column (1) is movably connected to a counterweight cone (2) via a shaft.

6. The oil sampling device suitable for offshore oil and gas extraction according to claim 1, characterized in that: The bottom column (1) has three oil inlets (6) on its surface, which are equidistantly distributed on the surface of the bottom column (1).

7. The oil sampling device suitable for offshore oil and gas extraction according to claim 1, characterized in that: The inner cavity of the bottom column (1) is fixedly equipped with a partition plate (7), and there are three partition plates (7) distributed at equal intervals in the inner cavity of the bottom column (1).

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