High-pressure jet cleaning device for mud tank

Abstract

The utility model relates to the technical field of petroleum engineering, in particular to a high-pressure jet cleaning device for a mud tank, which comprises a shell, a first jet cleaning device and a second jet cleaning device, the high-pressure injection pipe comprises a second inlet and a nozzle which is positioned in the first inlet of the shell and is communicated with the second inlet; the high-pressure guide pipe comprises a first end communicated with the second inlet and a second end communicated with the first end; the high-pressure hose comprises a third end communicated with the second end and a fourth end communicated with the third end; and an output port of the high-pressure pump is communicated with the fourth end. According to the utility model, the working efficiency is improved, and the working safety of personnel is ensured.

Description

Technical Field

[0001] This utility model relates to the field of petroleum engineering, and in particular to a high-pressure jet cleaning device for mud tanks. Background Technology

[0002] With increasingly stringent national environmental protection requirements, drilling fluid treatment at oil engineering construction sites has become extremely complex. Each well requires cleaning of the mud circulation tank before drilling fluid conversion or each drilling cycle.

[0003] During the cleaning process of the circulating tank, the drilling fluid mud and sand at the bottom of the tank are viscous and cannot be pumped out with sewage pumps or sand pumps. In the past, the drilling team would open the bottom valve of the tank and manually discharge it into the sewage ditch and then manually clean it. Now, in order to prevent environmental pollution, it is necessary to manually lift it out of the tank with buckets and transfer it to the treatment and recovery tank. This is very labor-intensive and time-consuming. Moreover, the drilling fluid contains a large number of substances that are harmful to personnel. Long-term operation in the tank can also have adverse effects on personnel health. In severe cases, it may cause poisoning or suffocation, posing a safety risk to personnel. Utility Model Content

[0004] In view of this, the present invention provides a high-pressure jet cleaning device for mud tanks. The main technical problem to be solved is that: manually lifting the mud tank out of the tank with a bucket and then transferring it to the treatment and recovery tank is labor-intensive, time-consuming and labor-intensive. Moreover, drilling fluid contains a large number of substances that are harmful to personnel. Long-term operation inside the tank can also have adverse effects on personnel health. In severe cases, it may cause personnel poisoning or suffocation, resulting in personnel safety risks.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a high-pressure jet cleaning device for mud tanks, comprising a shell, which includes a first inlet and a first outlet communicating with the first inlet; a high-pressure jet pipe, which includes a second inlet and a nozzle located inside the first inlet of the shell and communicating with the second inlet; a high-pressure guide pipe, which includes a first end communicating with the second inlet and a second end communicating with the first end; a high-pressure hose, which includes a third end communicating with the second end and a fourth end communicating with the third end; and a high-pressure pump, the output port of which is communicating with the fourth end.

[0006] By adopting the above technical solution, the slurry in the slurry circulation pipe is discharged to the outside through the outer shell using the siphon principle.

[0007] As a further description of the above technical solution:

[0008] It also includes: a transmission hose, which includes a third inlet communicating with the first outlet and a second outlet communicating with the third inlet.

[0009] By adopting the above technical solution, the transmission hose is connected to the outer shell.

[0010] As a further description of the above technical solution:

[0011] The third inlet and the first outlet are connected by a third oil ring.

[0012] By adopting the above technical solution, the connection between the third inlet and the first outlet is maintained.

[0013] As a further description of the above technical solution:

[0014] The outer wall of the outer shell is threaded with a threaded ring, and a locking block is fixedly connected to the bottom of the threaded ring. Multiple locking blocks are present. A movable ring is fitted onto the outer wall of the outer shell, and a snap-fit ​​ring is fixedly connected to the outer wall of the movable ring. A connecting plate is fixedly connected to the bottom of the movable ring. Multiple connecting plates are fixedly connected between adjacent connecting plates. Multiple telescopic grooves are formed on the outer wall of the outer shell. Each telescopic groove contains a telescopic block, and each telescopic block contains a linkage groove. A clamping plate is fixedly connected to one end of the telescopic block inside the outer shell. Multiple limiting blocks are fixedly connected to the inner wall of the movable ring. Multiple limiting grooves are formed on the outer wall of the outer shell. Multiple limiting blocks are located inside the multiple limiting grooves. Multiple positioning frames are fixedly connected to the inner wall of the outer shell. Each positioning frame contains a hollowed-out groove. A high-pressure injection pipe is clamped and fixed between the multiple clamping plates.

[0015] By adopting the above technical solution, the high-pressure injection pipe can be fixed at the first inlet of the outer casing.

[0016] As a further description of the above technical solution:

[0017] The multiple locking blocks are all L-shaped, and the locking blocks pass through the telescopic groove and the hollow groove in sequence. The locking ring is located inside the multiple locking blocks. The linkage column passes through the linkage groove. The multiple telescopic grooves are respectively connected to the multiple limiting grooves. The multiple telescopic grooves and the multiple limiting grooves are all located at the lower end of the outer wall of the shell. The positions of the multiple telescopic grooves correspond to the positions of the multiple positioning frames. The multiple limiting blocks are respectively located inside the multiple limiting grooves.

[0018] By adopting the above technical solution, the high-pressure guide tube will not slip after clamping, and the fixation is more secure.

[0019] As a further description of the above technical solution:

[0020] The nozzle of the high-pressure injection pipe is fixedly connected to a support column, and there are multiple support columns. The top of the multiple support columns is fixedly connected to a stop block.

[0021] By adopting the above technical solution, the mud in the mud circulation tank can flow through the inside of the outer shell under the action of the high-pressure injection pipe and finally be discharged to the outside through the transmission hose.

[0022] As a further description of the above technical solution:

[0023] The second inlet of the high-pressure injection pipe is connected to the first end of the high-pressure guide pipe via a first grease trap.

[0024] By adopting the above technical solution, the high-pressure injection pipe is connected to the high-pressure guide pipe.

[0025] As a further description of the above technical solution:

[0026] The second end of the high-pressure guide tube is connected to the third end of the high-pressure hose via a second ferrule.

[0027] By adopting the above technical solution, the high-pressure guide tube and the high-pressure hose are connected.

[0028] As a further description of the above technical solution:

[0029] The outer wall of the housing is fixedly connected to a fixing seat, and there are multiple fixing seats. The other end of each fixing seat is fixedly connected to a first clamp, and the first clamp and the second clamp are fixedly connected by bolts. The high-pressure guide tube is clamped and fixed between the multiple first clamps and the multiple second clamps.

[0030] By adopting the above technical solution, the high-pressure guide tube can be fixed on the periphery of the outer casing.

[0031] As a further description of the above technical solution: rubber pads are provided on the arc-shaped surfaces of the plurality of first clamps and the plurality of second clamps.

[0032] By adopting the above-mentioned technical solutions, the visit to China can be carried out effectively.

[0033] By employing the above technical solution, the high-pressure jet cleaning device for mud tanks of this utility model has at least the following beneficial effects:

[0034] 1. Compared with existing technologies, during construction, the first inlet of the outer shell is inserted into the mud in the circulation tank. When the high-pressure pump operates, high-pressure gas is injected sequentially through the high-pressure hose, the high-pressure guide pipe, and finally through the nozzle of the high-pressure injection pipe into the interior of the first inlet of the outer shell, generating a siphon force that draws the mud from the circulation tank into the interior of the outer shell, and then discharges it through the first outlet of the outer shell. To facilitate the transfer of mud from the circulation tank to a predetermined location, the third inlet of the transfer hose is connected to the first outlet of the outer shell, and the second outlet of the transfer hose is located at the predetermined location. The mud passing through the first outlet of the outer shell sequentially passes through the third inlet and the second outlet of the transfer hose before being discharged to the predetermined location. This utility model improves operational efficiency, avoids the need for manual cleaning of mud and sand from the circulation tank, reduces labor intensity, ensures personnel safety, simplifies circulation tank cleaning, makes it a routine process, improves drilling fluid performance and quality, ensures downhole drilling safety, and increases drilling efficiency. Attached Figure Description

[0035] Figure 1 This is a first-view overall structural schematic diagram of a high-pressure jet cleaning device for mud tanks proposed in this utility model.

[0036] Figure 2 This is a schematic diagram of the outer shell structure of a high-pressure jet cleaning device for mud tanks proposed in this utility model;

[0037] Figure 3 This is a schematic diagram of the high-pressure jet pipe and baffle structure of a high-pressure jet cleaning device for mud tanks proposed in this utility model.

[0038] Figure 4 This is a schematic diagram of the threaded ring structure of a high-pressure jet cleaning device for mud tanks proposed in this utility model;

[0039] Figure 5 This is a schematic diagram of the moving ring structure of a high-pressure jet cleaning device for mud tanks proposed in this utility model;

[0040] Figure 6 This is a schematic diagram of the telescopic block structure of a high-pressure jet cleaning device for mud tanks proposed in this utility model;

[0041] Figure 7 This is a schematic diagram of the positioning frame structure of a high-pressure jet cleaning device for mud tanks proposed in this utility model;

[0042] Figure 8 This is a schematic diagram of the internal structure of a high-pressure jet cleaning device for mud tanks proposed in this utility model;

[0043] Figure 9 This utility model proposes a high-pressure jet cleaning device for mud tanks. Figure 8 Enlarged schematic diagram of structure A in the middle.

[0044] Legend:

[0045] 1. Outer shell; 2. Threaded ring; 3. Clamping block; 4. Moving ring; 5. Snap-fit ​​ring; 6. Connecting plate; 7. Linkage column; 8. Telescopic groove; 9. Telescopic block; 10. Linkage groove; 11. Clamping plate; 12. Limiting block; 13. Limiting groove; 14. Positioning frame; 15. Hollowed-out groove; 16. High-pressure injection pipe; 17. Support column; 18. Stop block; 19. First oil joint; 20. High-pressure guide pipe; 21. Second oil joint; 22. High-pressure hose; 23. Fixing seat; 24. First clamp; 25. Second clamp; 26. Third oil joint; 27. Transmission hose; 28. High-pressure pump. Detailed Implementation

[0046] Reference Figure 1-9 This utility model provides a high-pressure jet cleaning device for mud tanks, comprising a housing 1, a high-pressure jet pipe 16, a high-pressure guide pipe 20, a high-pressure hose 22, a transmission hose 27, and a high-pressure pump 28. The housing 1 includes a first inlet and a first outlet communicating with the first inlet; the high-pressure jet pipe 16 includes a second inlet and a nozzle located inside the first inlet of the housing 1 and communicating with the second inlet; the high-pressure guide pipe 20 includes a first end communicating with the second inlet and a second end communicating with the first end; the high-pressure hose 22 includes a third end communicating with the second end and a fourth end communicating with the third end; the output port of the high-pressure pump 28 is connected to the fourth end, and the high-pressure pump 28 is located outside the mud tank during use. The transmission hose 27 includes a third inlet communicating with the first outlet and a second outlet communicating with the third inlet.

[0047] The third inlet of the transmission hose 27 is connected to the first outlet of the outer casing 1 via a third ferrule 26. A threaded ring 2 is threaded onto the outer wall of the outer casing 1. A locking block 3 is fixedly connected to the bottom of the threaded ring 2, and there are multiple locking blocks 3. A movable ring 4 is fitted onto the outer wall of the outer casing 1. A locking ring 5 is fixedly connected to the outer wall of the movable ring 4. A connecting plate 6 is fixedly connected to the bottom of the movable ring 4, and there are multiple connecting plates 6. A linkage column 7 is fixedly connected between two adjacent connecting plates 6. Multiple telescopic grooves 8 are formed on the outer wall of the outer casing 1, and each of the multiple telescopic grooves 8 contains a telescopic block. 9. The telescopic block 9 has a linkage groove 10 inside. One end of the telescopic block 9 located inside the outer shell 1 is fixedly connected to a clamping plate 11. The inner wall of the moving ring 4 is fixedly connected to a limiting block 12, and there are multiple limiting blocks 12. The outer wall of the outer shell 1 has a limiting groove 13, and there are multiple limiting grooves 13. Multiple limiting blocks 12 are located inside multiple limiting grooves 13. The inner wall of the outer shell 1 is fixedly connected to a positioning frame 14, and there are multiple positioning frames 14. The interior of each positioning frame 14 is provided with a hollow groove 15. The high-pressure injection pipe 16 is clamped and fixed in the middle of multiple clamping plates 11.

[0048] Multiple locking blocks 3 are L-shaped, and the locking blocks 3 pass through the telescopic groove 8 and the hollow groove 15 in sequence. The locking ring 5 is located inside the multiple locking blocks 3. The linkage column 7 passes through the linkage groove 10. The multiple telescopic grooves 8 are respectively connected to the multiple limiting grooves 13. The multiple telescopic grooves 8 and the multiple limiting grooves 13 are all located at the lower end of the outer wall of the outer shell 1. The positions of the multiple telescopic grooves 8 correspond to the positions of the multiple positioning frames 14. The multiple limiting blocks 12 are respectively located inside the multiple limiting grooves 13.

[0049] The nozzle of the high-pressure injection pipe 16 is fixedly connected to a support column 17, and there are multiple support columns 17. The top of the multiple support columns 17 is fixedly connected to a stop block 18.

[0050] The second inlet of the high-pressure injection pipe 16 is connected to the first end of the high-pressure guide pipe 20 through the first oil ring 19.

[0051] The second end of the high-pressure guide tube 20 is connected to the third end of the high-pressure hose 22 via the second ferrule 21.

[0052] The outer wall of the outer casing 1 is fixedly connected with a fixing seat 23, and there are multiple fixing seats 23. The other end of each fixing seat 23 is fixedly connected with a first clamp 24. The first clamp 24 and the second clamp 25 are fixedly connected by bolts. The high pressure guide tube 20 is clamped and fixed in the middle of the multiple first clamps 24 and the multiple second clamps 25.

[0053] Rubber pads are provided on the arc-shaped surfaces of multiple first clamps 24 and multiple second clamps 25.

[0054] Working principle: The high-pressure injection pipe 16, high-pressure guide pipe 20, and high-pressure hose 22 are fixed to the outside of the outer shell 1 by multiple first clamps 24 and second clamps 25. At this time, the high-pressure injection pipe 16 and the stop block 18 are located in the middle of multiple clamping plates 11. Then, the threaded ring 2 is rotated and moves down along the lower end of the outer wall of the outer shell 1. Since the snap ring 5 set on the outer wall of the moving ring 4 is located inside the multiple snap blocks 3 set at the bottom of the threaded ring 2, and the multiple limiting blocks 12 set on the inner wall of the moving ring 4 are respectively located inside the multiple limiting grooves 13 opened on the outer wall of the outer shell 1, the moving ring 4 moves down synchronously with the threaded ring 2. During the downward movement of the moving ring 4, the linkage columns 7 in multiple sets of two adjacent connecting plates 6 move along the linkage grooves 10 opened inside the corresponding telescopic blocks 9, and under the limiting action of multiple positioning frames 14, multiple The telescopic block 9 and the clamping plate 11 connected thereto move synchronously into the interior of the outer shell 1, fixing the high-pressure injection pipe 16 inside the outer shell 1, and simultaneously connecting the high-pressure hose 22 to the external high-pressure pump. During construction, the first inlet of the outer shell is inserted into the mud in the circulation tank. When the high-pressure pump is working, high-pressure gas is injected into the interior of the first inlet of the outer shell through the high-pressure hose, the high-pressure guide pipe and finally through the nozzle of the high-pressure injection pipe, generating a siphon force to draw the mud in the circulation tank into the interior of the outer shell, and then discharge it through the first outlet of the outer shell. In order to facilitate the transfer of the mud in the circulation tank to the predetermined location, the third inlet of the transfer hose is connected to the first outlet of the outer shell, and the second outlet of the transfer hose is set at the predetermined location. The mud passing through the first outlet of the outer shell passes through the third inlet of the transfer hose and the second outlet of the transfer hose in sequence and is discharged to the predetermined location.

[0055] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A high pressure jetting cleaning device for a mud tank, characterized in that, It comprises: a housing (1) comprising a first inlet and a first outlet in communication with the first inlet; a high-pressure jet pipe (16) comprising a second inlet and a nozzle located in the first inlet of the housing (1) and in communication with the second inlet; a high-pressure guide pipe (20) comprising a first end in communication with the second inlet and a second end in communication with the first end; a high-pressure hose (22) comprising a third end in communication with the second end and a fourth end in communication with the third end; a high-pressure pump (28) with an output port in communication with the fourth end.

2. A high pressure jetting cleaning device for a mud tank according to claim 1, characterized in that It also comprises: a transmission hose (27) comprising a third inlet in communication with the first outlet and a second outlet in communication with the third inlet.

3. A high pressure jetting cleaning device for a mud tank according to claim 2, characterized in that The third inlet is in communication with the first outlet through a third oil valve (26).

4. The mud tank high-pressure jet cleaning device according to claim 1, wherein the outer wall of the housing (1) is threadedly connected with a threaded ring (2), the bottom of the threaded ring (2) is fixedly connected with a clamping block (3), and the number of the clamping blocks (3) is multiple, the outer wall of the housing (1) is sleeved with a moving ring (4), the outer wall of the moving ring (4) is fixedly connected with a clamping ring (5), the bottom of the moving ring (4) is fixedly connected with a connecting plate (6), and the number of the connecting plates (6) is multiple, adjacent two of the connecting plates (6) are fixedly connected with a linkage column (7) in the middle, the outer wall of the housing (1) is provided with multiple expansion grooves (8), the interiors of the multiple expansion grooves (8) are all provided with expansion blocks (9), the interior of each expansion block (9) is provided with a linkage groove (10), one end of each expansion block (9) located in the interior of the housing (1) is fixedly connected with a clamping plate (11), the inner wall of the moving ring (4) is fixedly connected with multiple limiting blocks (12), the outer wall of the housing (1) is provided with multiple limiting grooves (13), the multiple limiting blocks (12) are respectively located in the interiors of the multiple limiting grooves (13), the inner wall of the housing (1) is fixedly connected with multiple positioning frames (14), the interiors of the multiple positioning frames (14) are all provided with hollow grooves (15), and the high-pressure jet pipe (16) is clamped and fixed in the middle of the multiple clamping plates (11).

5. A high pressure jetting cleaning device for a mud tank as claimed in claim 4, wherein: Each clamping block (3) is in L shape, the clamping blocks (3) pass through the expansion grooves (8) and the hollow grooves (15) in sequence, the clamping ring (5) is located in the interiors of the multiple clamping blocks (3), the linkage column (7) passes through the linkage grooves (10), the multiple expansion grooves (8) are respectively in communication with the multiple limiting grooves (13), the multiple expansion grooves (8) and the multiple limiting grooves (13) are all located at the lower ends of the outer walls of the housings (1), the positions of the multiple expansion grooves (8) respectively correspond to the positions of the multiple positioning frames (14), and the multiple limiting blocks (12) are respectively located in the interiors of the multiple limiting grooves (13).

6. A high pressure jetting cleaning device for a mud tank as claimed in claim 1, wherein, The high-pressure jet pipe (16) is fixedly connected with support columns (17), and the number of the support columns (17) is multiple; the top of the multiple support columns (17) is fixedly connected with stop blocks (18).

7. A high pressure jetting cleaning device for a mud tank as claimed in claim 1, wherein, The second inlet of the high-pressure jet pipe (16) is communicated with the first end of a high-pressure guide pipe (20) through a first oil valve (19).

8. The high pressure jetting cleaning device for a mud tank of claim 1, wherein, The second end of the high-pressure guide pipe (20) is communicated with the third end of a high-pressure hose (22) through a second oil valve (21).

9. A high pressure jetting cleaning device for a mud tank as claimed in claim 1, wherein, The outer wall of the shell (1) is fixedly connected with fixing bases (23), and the number of the fixing bases (23) is multiple; the other end of the multiple fixing bases (23) is fixedly connected with first clamps (24), and the first clamps (24) and second clamps (25) are fixedly connected through bolts; the high-pressure guide pipe (20) is clamped and fixed in the middle of the multiple first clamps (24) and the multiple second clamps (25).

10. A high pressure jetting cleaning device for a mud tank according to claim 9, characterized in that The arc surfaces of the multiple first clamps (24) and the multiple second clamps (25) are provided with rubber pads.

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