Automatic sampling and analyzing device for logging
By designing an automatic sampling and analysis device for well logging, which uses sieve plates and mud plates to filter large rocks and mud from the drilling fluid, the problem of cumbersome drilling fluid collection and analysis process is solved, and the detection efficiency is improved.
Patent Information
- Application Number
- CN202422870195.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-11-25
AI Technical Summary
In existing logging processes, the collection and analysis of drilling fluid is cumbersome, requiring separation and extraction before testing, resulting in low efficiency.
An automatic sampling and analysis device for well logging was designed, including a protective shell, a discharge pipe, a sieve plate, a mud and sand plate, and a collection chamber. The sieve plate filters out large rocks, and the mud and sand plate filters out drilling mud, thereby realizing the automatic collection of drilling fluid and the separation of geological components.
It realizes the automatic collection of drilling fluid and separation of geological components, and improves the detection efficiency.
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Figure CN223470863U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of petroleum exploration and development technology, especially to a logging automatic sampling analysis device. BACKGROUND
[0002] In the field of petroleum exploration and development, logging operation is an important means to obtain underground geological information and monitor the safety of drilling process. Drilling fluid, as the key medium in the drilling process, directly reflects the formation characteristics, oil and gas reservoir distribution and drilling operation state through its composition, performance and changes.
[0003] In the existing logging, the drilling fluid collection and analysis process usually directly collects and samples the gushing drilling fluid, and then sends it to the laboratory for analysis and detection. However, since the drilling fluid contains various geological components, it is necessary to separate and extract the collected drilling fluid for analysis and detection, making the drilling fluid analysis and detection process of logging more complicated and inefficient.
[0004] Therefore, a logging automatic sampling analysis device is developed, which can automatically collect logging drilling fluid and separate geological components in the drilling fluid during the collection process, improving detection efficiency. UTILITY MODEL CONTENT
[0005] In order to overcome the shortcomings of the existing logging drilling fluid collection and analysis process, which requires separation and extraction of the collected drilling fluid for analysis and detection, making the drilling fluid analysis and detection process of logging more complicated and inefficient, the utility model provides a logging automatic sampling analysis device which can automatically collect logging drilling fluid and separate geological components in the drilling fluid during the collection process, improving detection efficiency.
[0006] Technical scheme: A logging automatic sampling analysis device, comprising a protective shell, a discharge pipe, a sieve plate, a sand plate, a drip tube and a collection bin. The discharge pipe is connected to the inside of the protective shell, the sieve plate is placed on the upper part of the protective shell, the sand plate is connected to the inside of the middle part of the protective shell, the sand plate also contacts the discharge pipe, the sand plate is connected to multiple drip tubes, and the collection bin is arranged at the lower part of the protective shell.
[0007] As an improvement of the above-mentioned scheme, the diameter of the discharge pipe is slightly larger than the diameter of the logging drilling bit.
[0008] As an improvement of the above-mentioned scheme, two water discharge pipes are arranged on the lower side of the collection bin.
[0009] As an improvement of the above-mentioned scheme, the protective shell is connected to a drainage pipe on both sides.
[0010] As an improvement of the above-mentioned scheme, the sieve plate is connected to a fixing piece on both sides, and the fixing piece is detachably connected to the protective shell.
[0011] As the improvement of the above scheme, the fixed sheet is provided with two screws in front and back.
[0012] The utility model has the advantages that: the utility model filters the larger stone in the drilling fluid through the sieve plate, filters the slurry in the drilling fluid through the silt plate, makes the groundwater in the drilling fluid flow into the collecting bin for collection, achieves the effect that the drilling fluid can be automatically collected, the geological composition in the drilling fluid can be separated during the collection process, and the detection efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.
[0014] Figure 2 It is a schematic diagram of the cross-section structure of the utility model.
[0015] The label in the drawing: 1 - protective shell, 2 - discharge pipe, 3 - drainage pipe, 4 - fixed sheet, 5 - sieve plate, 6 - silt plate, 7 - drip tube, 8 - collecting bin. DETAILED DESCRIPTION
[0016] The technical scheme will be further described in combination with specific embodiments, and it should be noted that: the words such as up, down, left and right in this paper are only for the position of the shown structure in the corresponding drawing. The serial number of the component in this paper, for example: first, second, etc. is only used to distinguish the described object, and does not have any sequence or technical meaning. The connection, coupling, etc. in this application includes direct and indirect connection (coupling) without special instructions.
[0017] A logging automatic sampling and analyzing device, as shown in Figure 1 and Figure 2 It comprises a protective shell 1, a discharge pipe 2, a drainage pipe 3, a fixed sheet 4, a sieve plate 5, a silt plate 6, a drip tube 7 and a collecting bin 8. The inner side of the protective shell 1 is connected with the discharge pipe 2, the diameter of the discharge pipe 2 is slightly larger than the diameter of the logging drilling bit, the left and right parts of the protective shell 1 are connected with the drainage pipe 3, the upper part of the protective shell 1 is placed with the sieve plate 5, the left and right sides of the sieve plate 5 are connected with the fixed sheet 4, the fixed sheet 4 is detachably connected with the protective shell 1, and the fixed sheet 4 is provided with two screws in front and back, which is convenient for disassembly and fixation. The inner side of the middle part of the protective shell 1 is clamped with the silt plate 6, the silt plate 6 also contacts with the discharge pipe 2, the silt plate 6 is connected with a plurality of drip tubes 7, the lower part of the protective shell 1 is provided with the collecting bin 8, and the lower side of the collecting bin 8 is provided with two water discharge pipes.
[0018] In use of the utility model, first, the protective shell 1 is installed at the well mouth position of the well logging, then the drill bit can pass through the discharge pipe 2 to drill, in the drilling process of the well logging, the sieve plate 5 is placed on the protective shell 1, and the silt plate 6 is fixed through the fixing sheet 4, after the sieve plate 5 is fixed, drilling is carried out again, in the drilling process, the drilling fluid in the well logging will gush out from the inside of the discharge pipe 2, the gushing drilling fluid is filtered through the sieve plate 5, and the large stone or coal seam sample in the drilling fluid is filtered out, so that the large stone or coal seam sample is left on the silt plate 6, the drilling fluid filtered through the sieve plate 5 will fall on the silt plate 6, and the fine silt of the drilling fluid is filtered under the action of the silt plate 6, so that the drilling fluid mud is left above the silt plate 6, and the clean underground water resource in the drilling fluid will flow into the collecting bin 8 through the drip pipe 7 to be collected, after the collection is completed, the large stone or coal seam sample can be collected for detection, the drainage pipe 3 is connected with the pump body, the mud is pumped out for detection, the water discharge pipe below the collecting bin 8 is opened, and the underground water is discharged for detection, so that the well logging drilling fluid can be automatically collected conveniently, the geological composition in the drilling fluid can be separated in the collection process, and the detection efficiency is improved.
[0019] The application is described in detail above, and the principle and implementation mode of the application are described by applying specific examples; the above embodiment is only used to help understand the method and core idea of the application; meanwhile, according to the idea of the application, the specific implementation mode and application range can be changed by the person skilled in the art, and the above description should not be understood as the limitation of the application.
Claims
1. A logging automatic sampling and analyzing device, characterized in that it comprises The utility model discloses a protective shell (1), discharge pipe (2), sieve plate (5), silt plate (6), drip tube (7) and collection bin (8), the inside connection of protective shell (1) has discharge pipe (2), the upper part of protective shell (1) is placed with sieve plate (5), the inside joint of protective shell (1) has silt plate (6) in the middle, silt plate (6) also contacts with discharge pipe (2), silt plate (6) is connected with multiple drip tubes (7), and the lower part of protective shell (1) is equipped with collection bin (8).
2. The automatic sampling and analyzing device for well logging of claim 1, wherein the automatic sampling and analyzing device for well logging is characterized by, The diameter of the discharge pipe (2) is slightly larger than the diameter of the drilling bit.
3. The automatic sampling and analysis device for mud logging according to claim 2, characterized in that: The lower side of the collection bin (8) is provided with two water drainage pipes.
4. The automatic sampling and analysis device for mud logging according to claim 3, characterized in that: The protective shell (1) is connected with the drainage pipe (3) on the left and right sides.
5. The automatic sampling and analysis device for mud logging according to claim 1, characterized in that: The sieve plate (5) is connected with the fixing piece (4) on the left and right sides, and the fixing piece (4) is detachably connected with the protective shell (1).
6. The automatic sampling and analysis device for mud logging according to claim 5, characterized in that: The fixing piece (4) is provided with two screws in front and back.