Oil field underground sand bailing device
By designing the coordinated work of the sand retrieval cylinder body, shaft motor, drill bit motor, sand shovel plate, return spring and induction plate in the underground sand retrieval device of the oil field, the problem of not being able to determine the fullness of sand during sand retrieval is solved, and timely removal is achieved and improve work efficiency.
Patent Information
- Application Number
- CN202421433751.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2025-02-18
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
When fishing for sand, it is impossible to determine whether the internal sand of the sand retrieval cylinder is full, which leads to constant fishing, wasting working time and reducing work efficiency.
A downhole sand retrieval device in the oil field is designed, including the sand retrieval cylinder body, shaft motor, drill bit motor, sand shovel plate, return spring and induction plate. Through the coordinated work of these components, when the sand collects in the sand retrieval chamber is full, the reset spring and induction plate system will trigger signals to remind the operator to remove the sand retrieval cylinder in time.
It realizes timely removal when the sand-fishing tube is full, improves work efficiency and convenience, and avoids waste and reduces efficiency caused by the inability to judge the fullness of the sand-sized tube.
Smart Images
Figure CN222501672U_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of oilfield sand bailing operations, and in particular to an oilfield underground sand bailing device. Background Art
[0002] An oil field refers to a specific area where crude oil is produced. It is sometimes a general term for oil layers concentrated underground in a specific area. In a broad sense, several oil regions are collectively referred to as an oil field. An oil field is naturally occurring hydrocarbons underground, which are liquid under surface conditions. The size of recoverable oil reserves determines its value of exploitation, which requires accurate calculation of the size of the oil-bearing area, the number and thickness of oil layers, and oil reserves per unit area.
[0003] With the continuous improvement of the economy, the entire society's demand for oil resources is also increasing. However, with the continuous exploitation of oil in oil fields, a large amount of sand is mixed into the oil in the oil wells, which reduces the quality of the oil and increases the cost of later oil extraction and crude oil processing. Therefore, removing the sand mixed in the oil well is crucial to oil extraction.
[0004] However, when bailing sand, it is impossible to judge whether the sand inside the bailing tube is full, resulting in continuous bailing, wasting working time and reducing work efficiency. Utility Model Content
[0005] The purpose of the present application is to provide an oilfield underground sand bailing device in order to solve the above-mentioned problem that it is impossible to judge whether the sand inside the sand bailing tube is full during sand bailing, resulting in continuous bailing, wasting working time and reducing working efficiency.
[0006] The technical solution adopted in the present application is as follows: an oilfield downhole sand bailing device comprises a sand bailing barrel main body, a sand bailing barrel mounting block is arranged at the upper end of the sand bailing barrel main body, a sand bailing chamber is opened inside the sand bailing barrel main body, a rotating shaft motor is installed inside the upper end of the sand bailing barrel main body, a rotating shaft is arranged at the lower end of the rotating shaft motor, a drill motor is arranged inside the lower end of the rotating shaft, a drill bit is arranged at the lower end of the drill motor, sand shoveling plates corresponding to the rotating shaft are arranged on both sides of the lower end of the sand bailing barrel main body, a plurality of spring chambers are opened inside the upper end of the sand bailing barrel main body, a reset spring is installed inside the spring chamber, a connecting rod is arranged at one end of the reset spring, a connecting rod is arranged between the connecting rods, a connecting disk is arranged to connect the connecting rods, a plurality of lower induction plates are installed on the surface of the connecting disk, and an upper induction plate corresponding to the lower induction plate is installed on the inner wall of the sand bailing chamber.
[0007] By adopting the above technical solution and the above design, the sand can be taken out in time when the sand bailing tube is full, thereby improving work efficiency.
[0008] In a preferred embodiment, sealing plates corresponding to the sand scraping plates are welded to the outer surfaces of both sides of the lower end of the rotating shaft.
[0009] By adopting the above technical solution, when the sand bailing chamber is full, the bottom of the sand bailing tube body is sealed by rotating the sealing plate, so that the bailed sand can be brought out conveniently and the stability is improved.
[0010] In a preferred embodiment, a plurality of drainage holes are provided on the surface of the sealing plate.
[0011] By adopting the above technical solution, the scooped water can be discharged, the overall weight of the sand bailing tube body can be reduced, and the sand bailing tube body can be easily taken out.
[0012] In a preferred embodiment, a plurality of drainage openings are provided on the outer surface of the upper end of the sand bailing tube body.
[0013] By adopting the above technical solution, the scooped water can be discharged, the overall weight of the sand bailing tube body can be reduced, and the sand bailing tube body can be easily taken out.
[0014] In a preferred embodiment, buffers are provided on both sides of the upper surface of the sand bailing tube body.
[0015] By adopting the above technical solution, the recovery of the sand bailing tube body is damped and buffered, thereby reducing its loss and extending its service life.
[0016] In a preferred embodiment, the outer surface of the sand bailing tube body is sprayed with a polyurethane coating.
[0017] By adopting the above technical solution, it has excellent corrosion resistance and wear resistance, can effectively protect the sand bailing tube body from corrosion and wear in the oil field downhole environment, and extend its service life.
[0018] In summary, due to the adoption of the above technical solution, the beneficial effects of this application are:
[0019] When the sand in the sand bailing chamber is full, the connecting plate will be squeezed, and then the reset spring will be pushed to make the upper sensor plate contact with the lower sensor plate, reminding the sand in the sand bailing chamber to be full and take it out in time, thereby improving work efficiency and convenience. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 This is a schematic diagram of the overall structure of the sand bailing tube in this application;
[0021] Figure 2 This is a schematic diagram of the internal structure of the sand bailing tube in this application;
[0022] Figure 3 This is a schematic diagram of the planar structure of the sand bailing tube in this application;
[0023] Figure 4It is a schematic diagram of the planar structure of the drill bit device in this application.
[0024] Markings in the figure: 1. Sand bailing tube body; 2. Drain port; 3. Sand bailing tube mounting block; 4. Buffer; 5. Sand bailing chamber; 6. Rotating shaft; 7. Drill bit; 8. Sand scraping plate; 9. Sealing plate; 10. Upper induction plate; 11. Spring chamber; 12. Reset spring; 13. Rotating shaft motor; 14. Lower induction plate; 15. Connecting plate; 16. Connecting rod; 17. Drill bit motor; 18. Drain hole. DETAILED DESCRIPTION
[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.
[0026] Reference Figure 1-4 , an oilfield downhole sand bailing device, comprising a sand bailing tube body 1, a sand bailing tube mounting block 3 is arranged at the upper end of the sand bailing tube body 1, a sand bailing chamber 5 is opened inside the sand bailing tube body 1, a rotating shaft motor 13 is installed inside the upper end of the sand bailing tube body 1, a rotating shaft 6 is arranged at the lower end of the rotating shaft motor 13, a drill motor 17 is arranged inside the lower end of the rotating shaft 6, a drill bit 7 is arranged at the lower end of the drill motor 17, sand shoveling plates 8 corresponding to the rotating shaft 6 are arranged on both sides of the lower end of the sand bailing tube body 1, a plurality of spring chambers 11 are opened inside the upper end of the sand bailing tube body 1, a return spring 12 is installed inside the spring chamber 11, a connecting rod 16 is arranged at one end of the return spring 12, a connecting disk 15 is arranged between the connecting rods 16 to connect, a plurality of lower induction sheets 14 are installed on the surface of the connecting disk 15, and an upper induction sheet 10 corresponding to the lower induction sheet 14 is installed on the inner wall of the sand bailing chamber 5. Through the above design, the sand bailing tube body 1 can be taken out in time when it is full, thereby improving work efficiency.
[0027] Reference Figure 2 and Figure 4 Sealing plates 9 corresponding to the sand shoveling plates 8 are welded on the outer surfaces of both sides of the lower end of the rotating shaft 6. When the sand bailing chamber 5 is full, the bottom of the sand bailing tube body 1 is sealed by the rotation of the sealing plate 9, which facilitates the bailed sand to be taken out and improves stability.
[0028] Reference Figure 2 and Figure 4 A plurality of drain holes 18 are provided on the surface of the sealing plate 9 to drain the scooped water, thereby reducing the overall weight of the sand bailing tube body 1 and facilitating the removal of the sand bailing tube body 1.
[0029] Reference Figure 1-2 The upper outer surface of the sand bailing tube body 1 is provided with a plurality of drain ports 2, which can discharge the bailed water, reduce the overall weight of the sand bailing tube body 1, and facilitate the removal of the sand bailing tube body 1.
[0030] Reference Figure 1-2 Buffers 4 are arranged on both sides of the upper surface of the sand bailing tube body 1 to reduce vibration and buffer the recovery of the sand bailing tube body 1, reduce its loss and extend its service life.
[0031] Reference Figure 1-2 The outer surface of the sand bailing tube body 1 is sprayed with a polyurethane coating, which has excellent corrosion resistance and wear resistance, and can effectively protect the sand bailing tube body 1 from corrosion and wear in the oil field downhole environment, thereby extending its service life.
[0032] The implementation principle of an oilfield downhole sand bailing device embodiment of the present application is:
[0033] When bailing sand, the drill bit 7 rotates downward synchronously with the sand bailing tube body 1, and sand and gravel enter the sand bailing chamber 5 through the sand shoveling plate 8 and are collected. As the depth increases, more sand is collected, which will squeeze the connecting plate 15. Further, the reset spring 12 drives the connecting plate 15 to retract, so that the upper sensor plate 10 and the lower sensor plate 14 abut against each other for induction, and a signal is sent to the operator, indicating that the sand bailing chamber 5 is full. Synchronously, the rotating sealing plate 9 seals the bottom of the sand bailing tube body 1, and the sand bailing tube body 1 is taken out in time.
[0034] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. An oilfield underground sand bailing device, comprising a sand bailing tube body (1), characterized in that: A sand bailing tube mounting block (3) is arranged at the upper end of the sand bailing tube body (1), a sand bailing chamber (5) is provided inside the sand bailing tube body (1), a rotating shaft motor (13) is installed inside the upper end of the sand bailing tube body (1), a rotating shaft (6) is arranged at the lower end of the rotating shaft motor (13), a drill motor (17) is arranged inside the lower end of the rotating shaft (6), a drill motor (17) is arranged at the lower end of the drill motor (17), and two sides of the lower end of the sand bailing tube body (1) are provided with corresponding shafts (6). A sand shoveling plate (8) is provided inside the upper end of the sand bailing tube body (1), a plurality of spring chambers (11) are provided inside the spring chamber (11), a return spring (12) is installed inside the spring chamber (11), a connecting rod (16) is provided at one end of the return spring (12), a connecting plate (15) is provided between the connecting rods (16) to connect, a plurality of lower induction plates (14) are installed on the surface of the connecting plate (15), and an upper induction plate (10) corresponding to the lower induction plate (14) is installed on the inner wall of the sand bailing chamber (5).
2. An oilfield downhole sand bailing device as claimed in claim 1, characterized in that: Sealing plates (9) corresponding to the sand scraping plates (8) are welded to the outer surfaces of both sides of the lower end of the rotating shaft (6).
3. An oilfield downhole sand bailing device as claimed in claim 2, characterized in that: A plurality of drainage holes (18) are provided on the surface of the sealing plate (9).
4. The oilfield downhole sand bailing device according to claim 1, characterized in that: The upper outer surface of the sand bailing tube body (1) is provided with a plurality of drainage openings (2).
5. The oilfield downhole sand bailing device according to claim 1, characterized in that: Buffers (4) are provided on both sides of the upper surface of the sand bailing tube body (1).
6. An oilfield downhole sand bailing device as claimed in claim 1, characterized in that: The outer surface of the sand bailing tube body (1) is sprayed with a polyurethane coating.