Suspended degassing device for oil exploration

By introducing a suspended design and automatic adjustment mechanism into the degassing device, the problem of manual frequent adjustment of traditional mechanical degassers is solved, and the automatic floating adjustment of the degassing barrel and the improvement of the degassing efficiency are achieved.

CN222558494UActive Publication Date: 2025-03-04CHONGQING HONGMENG OIL & GAS ENG TECH SERVICE CO LTD
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Patent Information

Application Number
CN202421444594.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-03-04
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

Traditional mechanical degassers need to manually adjust the height frequently when the discharge of the drilling fluid outlet changes. If the adjustment is not timely, it is easy to cause the drilling fluid level to be too high or too low, resulting in damage to the degasser or failure to degass.

Method used

A suspended degassing device is designed. By setting a floating plate outside the degassing barrel and setting an air pump and an air bag on the top of the floating plate, the air pump is used to inflate the air bag, so that the degassing barrel is suspended on the drilling liquid surface, achieving automatic adjustment. At the same time, through the cooperation of the cylinder, connecting rod and collar, the mixing frame is driven to rotate and agitate the drilling fluid, improving the degassing efficiency.

Benefits of technology

The automatic floating adjustment of the degassing barrel is realized, which avoids the problem of untimely manual adjustment, ensures that the degassing barrel is always within the effective degassing range, improves the degassing efficiency and reduces the risk of equipment damage.

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Abstract

The utility model relates to the technical field of oil exploration, in particular to a suspension type degassing device for oil exploration, which comprises a degassing barrel, a floating plate is arranged outside the degassing barrel, the right upper side of the degassing barrel is connected and communicated with a gas outlet pipe, a separation plate is arranged inside the degassing barrel, an air pump is arranged at the top of the floating plate, and a gas outlet pipe is arranged at the right upper side of the degassing barrel. The floating plate is sleeved with an air bag, and the air bag is connected with the air outlet end of the air pump and communicated with a rubber hose. By arranging the floating plate and additionally arranging the air pump and the air bag, the degassing barrel has sufficient buoyancy to suspend on the liquid level of the drilling fluid, and when the liquid level changes, automatic adjustment is conducted in real time, and it is guaranteed that the degassing barrel is within the effective degassing range.
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Description

Technical Field

[0001] The utility model relates to the technical field of oil exploration, in particular to a suspended degassing device used for oil exploration. Background Art

[0002] During the oilfield drilling process, after the natural gas layer is drilled, the gas is easily mixed into the drilling fluid, causing problems such as reduced drilling fluid density. The degasser is one of the most important equipment for gas logging. It is installed in the drilling fluid buffer tank. Its function is to remove the gas from the drilling fluid to obtain degassed drilling fluid and natural gas.

[0003] At present, traditional mechanical degassers have some shortcomings in actual use. When the drilling fluid outlet discharge changes, the height of the degasser needs to be adjusted frequently manually. If the adjustment is not timely, the drilling fluid level will be too high to submerge the degasser, causing damage to the degasser, or the liquid level will be too low to be out of the degassing range of the degasser, resulting in degassing failure.

[0004] To this end, this patent provides a suspended degassing device for oil exploration. Utility Model Content

[0005] In order to overcome the shortcomings of traditional mechanical degassers that require frequent manual adjustment of the degasser height, which is prone to untimely adjustment, resulting in the drilling fluid level being too high to submerge the degasser and causing damage, or the liquid level being too low to escape the degassing range of the degasser, resulting in degassing failure, the utility model provides a suspended degassing device for oil exploration.

[0006] To solve the above problem, the utility model adopts the following technical solution: a suspended degassing device for oil exploration, comprising a degassing barrel, a floating plate is arranged on the outside of the degassing barrel, an upper right side of the degassing barrel is connected and communicated with an outlet pipe, an isolation plate is arranged inside the degassing barrel, an air pump is arranged on the top of the floating plate, an air bag is sleeved on the floating plate, and the air bag is connected to the outlet end of the air pump and is communicated with a rubber hose.

[0007] As an improvement of the above scheme, a cylinder is provided on the top of the degassing barrel, a guide rod is fixedly connected to the top of the degassing barrel, a connecting rod is slidably provided on the guide rod, the movable rod of the cylinder is connected to the same connecting rod, the connecting rods are commonly fixed with a ring, a ball is embedded in the ring, a stirring frame is provided in the middle of the degassing barrel, a threaded groove is provided at the upper end of the stirring frame, the upper end of the stirring frame passes through the degassing barrel and is then inserted into the ring.

[0008] As an improvement of the above solution, a protective cover is provided on the top of the degassing barrel.

[0009] As an improvement of the above-mentioned scheme, a support plate is embedded in the bottom of the degassing barrel, a first liquid conducting plate is fixedly connected to the support plate, a second liquid conducting plate is rotatably arranged on the first liquid conducting plate, the second liquid conducting plate and the first liquid conducting plate are provided with the same through holes, a driven gear is installed on the outer ring of the second liquid conducting plate, a connecting plate is rotatably arranged in the degassing barrel, a driving gear is installed on the inner ring of the connecting plate, and a handle is provided on the outer ring of the connecting plate.

[0010] As an improvement of the above solution, a protective shell is provided outside the air pump.

[0011] As an improvement of the above solution, a sealing ring is provided at the outlet pipe opening.

[0012] As an improvement of the above solution, a latch is provided on the handle.

[0013] Compared with the prior art, the utility model has the following technical effects: 1. By setting a floating plate and adding an air pump and an air bag, the degassing barrel has sufficient buoyancy to float on the surface of the drilling fluid, and when the liquid level changes, it is automatically adjusted in real time to ensure that it is within the effective degassing range.

[0014] 2. The cylinder and the connecting rod are used to drive the sleeve ring to move up and down, and then the ball is used to roll in the threaded groove to transmit force, so that the stirring frame rotates to stir the drilling fluid, so that the gas in the drilling fluid escapes to the liquid surface, which is convenient for collection in the degassing barrel and helps to improve the degassing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0016] Figure 2 It is a three-dimensional cross-sectional structural schematic diagram of the degassing barrel, floating plate and air outlet pipe of the utility model.

[0017] Figure 3 The utility model is a three-dimensional structural schematic diagram of the air pump, air bag and rubber hose.

[0018] Figure 4 The utility model is a three-dimensional cross-sectional structural schematic diagram of the cylinder, the guide rod and the connecting rod.

[0019] Figure 5 It is a schematic diagram of the three-dimensional cross-sectional structure of the sleeve ring and the ball of the utility model.

[0020] Figure 6 It is a three-dimensional cross-sectional structural schematic diagram of the degassing barrel, the support plate and the latch of the utility model.

[0021] Figure 7 A schematic diagram of the three-dimensional structure of the support plate, the first liquid guide plate and the second liquid guide plate of the utility model.

[0022] The numbers in the figure are as follows: 1-degassing barrel, 2-floating plate, 3-exhaust pipe, 4-protective cover, 5-isolation plate, 6-air pump, 7-air bag, 8-rubber hose, 9-cylinder, 10-guide rod, 11-connecting rod, 12-ring, 13-ball, 14-stirring frame, 15-support plate, 16-first liquid guide plate, 17-second liquid guide plate, 18-driven gear, 19-driving gear, 20-connecting plate, 21-handle, 22-protective shell, 23-sealing ring, 24-pin. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1

[0025] See also Figure 1-Figure 3 , a suspended degassing device for oil exploration, comprising a degassing barrel 1, a floating plate 2 is arranged on the outside of the degassing barrel 1, an air outlet pipe 3 is connected and communicated with the upper right side of the degassing barrel 1, the air outlet pipe 3 is externally connected to a suction device for gas extraction, and the air outlet pipe 3 is provided with a sealing ring 23 at the pipe mouth, which plays a sealing role and improves the sealing performance when the air outlet pipe 3 is connected, an isolation plate 5 is arranged on the upper inner part of the degassing barrel 1, an air pump 6 is arranged on the top of the floating plate 2, a protective shell 22 is arranged on the outside of the air pump 6, and the protective shell 22 is used to protect the air pump 6 and prevent the air pump 6 from entering water, an air bag 7 is sleeved on the floating plate 2, and the air bag 7 is connected to the air outlet end of the air pump 6 and communicated with a rubber hose 8, and the air bag 7 is inflated by the air pump 6, so that the degassing barrel 1 is suspended to the drilling fluid level, and the real-time adjustment purpose is achieved according to the changes in the liquid level.

[0026] When in use, first put the degassing barrel 1 into the buffer barrel, and the degassing barrel 1 floats on the surface of the drilling fluid using the floating plate 2. Then, start the air pump 6 to inflate the air bag 7, so that the air bag 7 expands and contacts the inner wall of the buffer barrel, thereby stabilizing the degassing barrel 1 and increasing the buoyancy of the degassing barrel 1 to achieve a suspension effect, so that the degassing barrel 1 can automatically adjust its height as the drilling fluid level changes, so that it is always within the effective degassing range.

[0027] Example 2

[0028] Based on Example 1, please refer to Figure 4 and Figure 5The top of the degassing barrel 1 is provided with a cylinder 9, the top of the degassing barrel 1 is fixedly connected with a guide rod 10, a connecting rod 11 is slidably provided on the guide rod 10, the movable rod of the cylinder 9 is connected with the same connecting rod 11, the connecting rod 11 is commonly fixedly connected with a sleeve 12, a ball 13 is embedded in the sleeve 12, a stirring frame 14 is provided in the middle of the degassing barrel 1, the upper end of the stirring frame 14 is provided with a threaded groove, the upper end of the stirring frame 14 passes through the degassing barrel 1 and then is inserted into the Inside the collar 12, the cylinder 9 uses the connecting rod 11 to drive the collar 12 to move up and down, and then the ball 13 is used to roll in the threaded groove to transmit force, so that the stirring frame 14 rotates to stir the drilling fluid, so that the gas in the drilling fluid escapes to the liquid surface, which is convenient for the degassing barrel 1 to collect and helps to improve the degassing efficiency. A protective cover 4 is provided on the top of the degassing barrel 1, wherein the guide rod 10, the connecting rod 11, and the collar 12 are all located inside the protective cover 4, and the above parts are protected by the protective cover 4 to prevent the parts from contacting water.

[0029] See also Figure 6 and Figure 7 A support plate 15 is embedded at the bottom of the degassing barrel 1, and a first liquid guide plate 16 is fixedly connected to the support plate 15. A second liquid guide plate 17 is rotatably arranged on the top of the first liquid guide plate 16. The second liquid guide plate 17 and the first liquid guide plate 16 are provided with the same through holes, and a driven gear 18 is installed on the outer ring of the second liquid guide plate 17. A connecting plate 20 is rotatably arranged in the degassing barrel 1, and a driving gear 19 is installed on the inner ring of the connecting plate 20. A handle 21 is arranged on the outer ring of the connecting plate 20, and a latch 24 is arranged on the handle 21. The handle 21 can be fixed by the latch 24 to prevent the handle 21 from being accidentally moved. By holding the handle 21 and rotating the connecting plate 20, the driving gear 19 drives the driven gear 18 to rotate, and then the second liquid guide plate 17 rotates to stagger and align with the through holes on the first liquid guide plate 16, so as to achieve the operation of quickly opening and closing the degassing barrel 1.

[0030] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A suspended degassing device for oil exploration, comprising a degassing barrel (1), a floating plate (2) is arranged outside the degassing barrel (1), an air outlet pipe (3) is connected and communicated with the upper right side of the degassing barrel (1), and an isolation plate (5) is arranged inside the degassing barrel (1), wherein: An air pump (6) is arranged on the top of the floating plate (2), an air bag (7) is sleeved on the floating plate (2), and the air bag (7) is connected to the air outlet end of the air pump (6) and is in communication with a rubber hose (8).

2. A suspended degassing device for oil exploration according to claim 1, characterized in that: A cylinder (9) is arranged on the top of the degassing barrel (1), a guide rod (10) is fixedly connected to the top of the degassing barrel (1), a connecting rod (11) is slidably arranged on the guide rod (10), a movable rod of the cylinder (9) is connected to the same connecting rod (11), the connecting rods (11) are commonly fixedly connected to a sleeve (12), a ball (13) is embedded in the sleeve (12), a stirring frame (14) is arranged in the middle of the degassing barrel (1), a threaded groove is arranged on the upper end of the stirring frame (14), the upper end of the stirring frame (14) passes through the degassing barrel (1) and is then inserted into the sleeve (12).

3. A suspended degassing device for oil exploration according to claim 2, characterized in that: A protective cover (4) is provided on the top of the degassing barrel (1).

4. A suspended degassing device for oil exploration according to claim 1, characterized in that: A support plate (15) is embedded in the bottom of the degassing barrel (1), a first liquid guide plate (16) is fixedly connected to the support plate (15), a second liquid guide plate (17) is rotatably arranged on the first liquid guide plate (16), the second liquid guide plate (17) and the first liquid guide plate (16) are provided with the same through holes, a driven gear (18) is installed on the outer ring of the second liquid guide plate (17), a connecting plate (20) is rotatably arranged in the degassing barrel (1), a driving gear (19) is installed on the inner ring of the connecting plate (20), and a handle (21) is provided on the outer ring of the connecting plate (20).

5. A suspended degassing device for oil exploration according to claim 1, characterized in that: A protective shell (22) is arranged outside the air pump (6).

6. A suspended degassing device for oil exploration according to claim 1, characterized in that: The outlet pipe (3) is provided with a sealing ring (23) at its pipe opening.

7. A suspended degassing device for oil exploration according to claim 4, characterized in that: The handle (21) is provided with a latch (24).