Oil logging drilling fluid sampling device with liquid storage device convenient to replace

Abstract

The drilling fluid sampling device comprises a base, a liquid storage barrel and a leaking stoppage device, a plurality of mounting holes are formed in the base at equal angles, a sampling device shell is fixedly connected to the upper surface of the base, a liquid taking pipe is fixedly connected to the middle of the bottom end of the sampling device shell, and the liquid taking pipe is fixedly connected to the liquid storage barrel. A switch valve is fixedly connected to the middle of the interior of the liquid taking pipe, a plurality of first storage grooves are formed in the upper surface of the sampling device shell at equal angles, a liquid storage barrel is slidably connected to the interior of the upper end of the sampling device shell, and a plurality of convex blocks are fixedly connected to the lower surface of the top end of the liquid storage barrel at equal angles; handles are fixedly connected to the left and right ends of the upper surface of the liquid storage barrel, a through hole is formed in the middle of the top end of the liquid storage barrel, and a liquid inlet is formed in the middle of the bottom end of the liquid storage barrel. According to the oil logging drilling fluid sampling device convenient to replace the liquid storage device, the liquid storage device is convenient to replace, fixing and mounting are convenient, and rapid liquid taking and discharging are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of drilling fluid sampling, in particular to a drilling fluid sampling device for oil logging, which is convenient for replacing a liquid storage device. Background Art

[0002] Mud logging technology is the most basic technology in oil and gas exploration and development activities. It is the most timely and direct means to discover and evaluate oil and gas reservoirs. It has the characteristics of obtaining timely and diverse underground information and rapid analysis and interpretation. When performing oil logging work, a drilling fluid sampling device is required.

[0003] The Chinese utility model patent with reference authorization announcement number CN219265802U discloses a drilling fluid sampling device for oil and gas logging, which relates to the technical field related to drilling fluid sampling, including connecting pipes, which respectively penetrate and are fixed to the upper and lower parts of the outer wall of the sampling barrel, and the upper and lower connecting pipes are distributed in a ring, and the connecting pipes away from the sampling barrel are threadedly connected with a threaded pipe at one end; the utility model allows the drilling fluid to rise inside the drilling channel during the drilling process, and the drilling fluid enters the sampling barrel through the opening. When the liquid level reaches the height of the lower connecting pipe, the lower one-way valve is activated. Since the sampling air bag is in a negative pressure state when not sampling, the sample liquid inside the sampling barrel can be drawn into the sampling air bag to complete sampling and collection. The sampling liquid at different depths can be classified and collected through the upper and lower sampling air bags, thereby improving the practicality of the sampling device.

[0004] Since the existing technology has the problems of requiring multiple samples when sampling, which makes it inconvenient to replace the liquid reservoir, and the sampling device is connected to the drilling channel, which makes it inconvenient to fix the sampling device, and the liquid sample in the liquid reservoir is not easy to quickly extract and discharge the liquid, we propose a drilling fluid sampling device for oil logging that is easy to replace the liquid reservoir to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a drilling fluid sampling device for oil logging with an easy replacement of the liquid reservoir, so as to solve the problems in the prior art proposed in the above background technology, such as the need for multiple samples when sampling, the inconvenience of replacing the liquid reservoir, the inconvenience of fixing the sampling device when the sampling device is connected to the drilling channel, and the inconvenience of quickly taking out and releasing the liquid sample in the liquid reservoir.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a drilling fluid sampling device for oil well logging with a convenient replacement of a liquid reservoir, comprising a base, a liquid storage barrel, and a leak-proof device, wherein the base is provided with a plurality of mounting holes at equal angles, the upper surface of the base is fixedly connected to a sampling device housing, the bottom middle portion of the sampling device housing is fixedly connected to a liquid collection tube, the inner middle portion of the liquid collection tube is fixedly connected to an on-off valve, the upper surface of the sampling device housing is provided with a plurality of first storage grooves at equal angles, the upper end of the sampling device housing is slidably connected to the liquid storage barrel, and the lower surface of the top end of the liquid storage barrel is fixedly connected to a plurality of protrusions at equal angles;

[0007] The upper surface of the liquid storage barrel is fixedly connected to handles at both ends, and a through hole is opened in the middle of the top end of the liquid storage barrel, and a liquid inlet is opened in the middle of the bottom end of the liquid storage barrel. The left and right ends of the top middle end of the liquid storage barrel are opened with a second storage groove, and a leak-proof device is slidably connected in the through hole.

[0008] Preferably, a hole is provided at the top of the sampling device housing, and the inner side surface of the hole provided at the top of the sampling device housing fits with the outer side surface of the liquid storage barrel.

[0009] Preferably, the top end of the liquid collection tube is slidably connected to the liquid inlet.

[0010] Preferably, the protrusion is snap-connected with the first storage slot.

[0011] Preferably, the leak-stopping device is composed of a leak-stopping ball, a connecting rod, a handle and a spring. The top of the leak-stopping ball is fixedly connected to the connecting rod, and the top of the connecting rod is fixedly connected to the handle, and the left and right ends of the lower surface of the handle are fixedly connected to the spring.

[0012] Preferably, the bottom end of the leak-proof ball is snap-connected in the liquid inlet.

[0013] Preferably, the bottom end of the spring is fixedly connected to the bottom end of the second storage groove.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the drilling fluid sampling device for oil logging with easy replacement of the reservoir is easy to replace, easy to fix and install, and easy to quickly take and discharge liquid;

[0015] 1. The top of the sampling device housing is provided with a hole. The outer side of the liquid storage barrel fits in contact with the inner side of the hole in the top of the sampling device housing. The liquid inlet at the bottom of the liquid storage barrel is slidably connected to the top of the liquid collection tube. The protrusion on the liquid storage barrel engages with the first storage slot on the top surface of the sampling device housing, making it easy to replace the liquid reservoir.

[0016] 2. Mounting holes are provided on the front, back, left, and right outer ends of the bottom of the base. Vertical plates are fixedly connected to the front, back, left, and right inner ends of the upper surface of the base. The upper surface of the vertical plates is fixedly connected to the outer end of the lower surface of the sampling device housing for easy fixed installation.

[0017] 3. A through hole is opened in the middle of the top of the liquid storage barrel, and a leak-proof device is slidably connected to the through hole. The bottom end of the leak-proof ball in the leak-proof device is snap-connected to the liquid inlet. An annular plate is fixedly connected to the outer side of the middle part of the leak-proof ball. The lower surface of the annular plate fits with the bottom surface of the liquid storage barrel. The top of the spring is fixedly connected to the bottom surface of the handle, and the bottom surface of the spring is fixedly connected to the inside of the second storage slot, which is convenient for quick liquid extraction and discharge. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a front perspective structural diagram of the utility model;

[0019] Figure 2 This is a bottom perspective structural diagram of the utility model;

[0020] Figure 3 This is a schematic diagram of the front perspective cutaway structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the perspective structure of the top surface of the housing of the sampling device of the utility model;

[0022] Figure 5 This is a perspective cutaway structural diagram of the liquid storage barrel of the utility model;

[0023] Figure 6 It is a perspective structural diagram of the leak-proof device of the present invention.

[0024] In the figure: 1. Base; 2. Mounting hole; 3. Sampling device housing; 4. Liquid collection tube; 5. Switch valve; 6. First storage tank; 7. Liquid storage barrel; 8. Bump; 9. Handle; 10. Through hole; 11. Liquid inlet; 12. Second storage tank; 13. Leak-proof device; 1301. Leak-proof ball; 1302. Connecting rod; 1303. Handle; 1304. Spring. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] Example 1: Please refer to Figure 1-Figure 5The existing drilling fluid sampling device for oil logging, which is easy to replace the reservoir, requires multiple samples when sampling, which is inconvenient to replace the reservoir. In order to solve this technical problem, this embodiment discloses the following technical content;

[0027] A liquid collection tube 4 is fixedly connected to the middle of the bottom end of the sampling device housing 3, and a switch valve 5 is fixedly connected to the middle of the inner portion of the liquid collection tube 4. A plurality of first storage grooves 6 are opened at equal angles on the upper surface of the sampling device housing 3, and a hole is opened at the top of the sampling device housing 3, and a liquid storage barrel 7 is slidably connected to the inner portion of the hole opened at the top of the sampling device housing 3. A plurality of protrusions 8 are fixedly connected to the lower surface of the top of the liquid storage barrel 7 at equal angles, and the protrusions 8 at the top of the liquid storage barrel 7 are snap-connected with the first storage groove 6, and handles 9 are fixedly connected to the left and right ends of the upper surface of the liquid storage barrel 7. A liquid inlet 11 is opened at the middle of the bottom end of the liquid storage barrel 7;

[0028] The outer side surface of the top of the liquid collection tube 4 fits with the inner side surface of the liquid inlet 11, and the liquid storage barrel 7 is slidably connected to the inside of the sampling device housing 3. When the liquid storage barrel 7 is placed in the sampling device housing 3, the protrusion 8 at the top of the liquid storage barrel 7 is snap-connected to the first storage groove 6 on the top surface of the sampling device housing 3 to prevent the liquid storage barrel 7 from rotating when taking liquid. Hold the handle 9 and pull the liquid storage barrel 7 upward to quickly replace the liquid storage barrel 7 to take liquid;

[0029] Embodiment 2: The existing oil well logging drilling fluid sampling device that is easy to replace the reservoir is connected to the drilling channel, which makes it inconvenient to fix the sampling device. Therefore, this embodiment adopts the following technical solutions, such as Figures 1-4 As shown;

[0030] The outer end of the base 1 is provided with a plurality of mounting holes 2 at equal angles, and the inner end of the upper surface of the base 1 is fixedly connected with a plurality of vertical plates at equal angles, and the upper surface of the vertical plates on the base 1 is fixedly connected to the outer end of the lower surface of the sampling device housing 3;

[0031] The lower surface of the base 1 is in contact with the ground, and bolts are passed through the mounting holes 2 to fix the base 1 to the ground to prevent the position of the sampling device housing 3 from shifting.

[0032] Embodiment 3: The existing drilling fluid sampling device for oil logging is easy to replace the reservoir. The liquid sample in the reservoir is not easy to quickly take out the liquid. Therefore, this embodiment adopts the following technical solutions, such as Figure 1 、 Figure 3 、 Figure 5 and Figure 6 As shown;

[0033] A through hole 10 is provided in the middle of the top of the liquid storage barrel 7, and a liquid inlet 11 is provided in the middle of the bottom of the liquid storage barrel 7, and a second storage groove 12 is provided at both ends of the left and right ends of the top middle of the liquid storage barrel 7. A leak-proof device 13 is slidably connected in the through hole 10, and the leak-proof device 13 is composed of a leak-proof ball 1301, a connecting rod 1302, a handle 1303 and a spring 1304. The outer side of the middle of the leak-proof ball 1301 is fixedly connected to a ring plate, and the bottom end of the leak-proof ball 1301 is snap-fitted and connected to the liquid inlet. The opening 11 is provided, and the lower surface of the annular plate in the middle of the leak-proof ball 1301 is in contact with the inner bottom surface of the liquid storage barrel 7. The top of the leak-proof ball 1301 is fixedly connected to a connecting rod 1302, and the top of the connecting rod 1302 is fixedly connected to a handle 1303, and the lower surface of the handle 1303 is in contact with the top surface of the liquid storage barrel 7. The left and right ends of the lower surface of the handle 1303 are fixedly connected to springs 1304, and the bottom surface of the spring 1304 is fixedly connected to the inner bottom surface of the second storage slot 12.

[0034] When taking liquid, pull the handle 1303 upward to separate the bottom end of the leak-proof ball 1301 from the liquid inlet 11. At this time, the sample enters the liquid collection tube 4 from the drilling channel, and then enters the liquid storage barrel 7 from the liquid collection tube 4. After the liquid is taken, loosen the handle 1303, and the spring 1304 tightly fits the bottom surface of the handle 1303 to the upper surface of the liquid storage barrel 7, so that the bottom end of the leak-proof ball 1301 is tightly engaged and connected to the top end of the liquid inlet 11, blocking the liquid inlet 11 to prevent the liquid sample from leaking from the liquid inlet 11. When releasing the liquid, pull the handle 1303 upward in the same way, and the liquid sample is discharged from the liquid inlet 11.

[0035] The standard parts used in this utility model can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.

[0036] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A drilling fluid sampling device for oil logging with a convenient replacement of a fluid reservoir, comprising a base (1), a fluid storage barrel (7) and a leak-proof device (13), characterized in that: The base (1) is provided with a plurality of mounting holes (2) at equal angles, and the upper surface of the base (1) is fixedly connected to a sampling device housing (3), and the middle portion of the bottom end of the sampling device housing (3) is fixedly connected to a liquid collection tube (4), and the middle portion of the interior of the liquid collection tube (4) is fixedly connected to a switch valve (5), and the upper surface of the sampling device housing (3) is provided with a plurality of first storage grooves (6) at equal angles, and the upper end of the sampling device housing (3) is slidably connected to a liquid storage barrel (7), and the lower surface of the top end of the liquid storage barrel (7) is fixedly connected to a plurality of protrusions (8) at equal angles; The left and right ends of the upper surface of the liquid storage barrel (7) are fixedly connected to handles (9), a through hole (10) is provided in the middle of the top end of the liquid storage barrel (7), and a liquid inlet (11) is provided in the middle of the bottom end of the liquid storage barrel (7), a second storage groove (12) is provided in the left and right ends of the middle of the top end of the liquid storage barrel (7), and a leak-blocking device (13) is slidably connected in the through hole (10).

2. The drilling fluid sampling device for oil logging with easy replacement of the fluid reservoir according to claim 1, characterized in that: A hole is provided at the top of the sampling device housing (3), and the inner side surface of the hole provided at the top of the sampling device housing (3) fits in contact with the outer side surface of the liquid storage barrel (7).

3. The drilling fluid sampling device for oil logging with easy replacement of the fluid reservoir according to claim 1, characterized in that: The top end of the liquid collection tube (4) is slidably connected to the liquid inlet (11).

4. The drilling fluid sampling device for oil logging with easy replacement of the fluid reservoir according to claim 1, characterized in that: The protrusion (8) is snap-connected with the first storage groove (6).

5. The drilling fluid sampling device for oil logging with easy replacement of the fluid reservoir according to claim 1, characterized in that: The leak-stopping device (13) is composed of a leak-stopping ball (1301), a connecting rod (1302), a handle (1303), and a spring (1304). The top end of the leak-stopping ball (1301) is fixedly connected to the connecting rod (1302), and the top end of the connecting rod (1302) is fixedly connected to the handle (1303). The left and right ends of the lower surface of the handle (1303) are fixedly connected to the spring (1304).

6. The drilling fluid sampling device for oil logging with easy replacement of the fluid reservoir according to claim 5, characterized in that: The bottom end of the leak-blocking ball (1301) is snap-connected in the liquid inlet (11).

7. The drilling fluid sampling device for oil logging with easy replacement of the fluid reservoir according to claim 5, characterized in that: The bottom end of the spring (1304) is fixedly connected to the bottom end inside the second storage groove (12).

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