CN113622840A

CN113622840A - Clear away desilting device of pipeline oil base mud

Info

Publication number: CN113622840A
Application number: CN202111079865.8A
Authority: CN
Inventors: 郭娟刚; 谭健
Original assignee: HUBEI PETROKH MACHINE MANUFACTURING CO LTD
Current assignee: HUBEI PETROKH MACHINE MANUFACTURING CO LTD
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2021-11-09
Anticipated expiration: 2041-09-15
Also published as: CN113622840B

Abstract

The invention discloses a dredging device for removing pipeline oil-based mud. The invention has the following advantages and effects: when oil-based mud in the pipeline needs to be cleared, the valve is closed, the sealing cover is opened, then the sliding seat on the connecting seat of the hose slides downwards to the lower end of the main pipe along the sliding rail in the main pipe from the checking square pipe, and the connecting seat is connected with the joint; then the sliding frame is arranged inside the lower end of the main pipe and moves along the sliding rail; then, a booster water pump is started, so that water flow washes the inner wall of the main pipe along the annular pipe and the washing pipe; then pulling the hose from the square inspection pipe to enable the sliding frame to move downwards along the sliding rail, so that oil-based mud on the inner wall of the main pipe is removed; and finally, after the sliding frame moves to the higher end of the main pipe, the hose can be loosened, so that the sliding frame slides downwards along the main pipe with force during the gravity and water flow injection, and the oil-based mud in the main pipe is cleared after the sliding frame reciprocates for multiple times.

Description

Clear away desilting device of pipeline oil base mud

Technical Field

The invention relates to the technical field of oil exploitation equipment, in particular to a dredging device for removing pipeline oil-based mud.

Background

Oil-based muds are basically composed of oil, water, organoclay and oil-soluble chemical treatments. The oil-based mud resists high temperature and salt and calcium erosion, is beneficial to well wall stability, has good lubricity and little damage to an oil-gas layer, and is widely applied to various drilling platforms. One function of the oil-based mud is as a drilling fluid for a directional well, when the oil-based mud is injected into the directional well, the oil-based mud needs to be extracted by a mud pump, and then is injected into the directional well along a pipeline.

However, in the long-term use process of the pipeline, oil-based mud is gradually accumulated on the inner wall of the pipeline, and the sediment is not easy to clean, so that the use of the pipeline is finally influenced.

Disclosure of Invention

The invention aims to provide a dredging device for removing oil-based mud in a pipeline, which has the function of conveniently removing the oil-based mud on the inner wall of the pipeline.

The technical purpose of the invention is realized by the following technical scheme: a dredging device for removing pipeline oil-based mud comprises a pipeline with one end used for being connected with a sludge pump and a dredging mechanism used for cleaning the oil-based mud in the pipeline, wherein the pipeline comprises a main pipe extending linearly, an elbow used for being connected with the sludge pump and a valve arranged between the main pipe and the elbow; desilting mechanism includes along the gliding carriage of slide rail after the lower end embedding of following the person in charge, set up in the carriage bottom and be used for contradicting the gyro wheel of the bottom in being responsible for, set up the ring conduit at the carriage middle part, a plurality of circumference array distribute on the ring conduit and towards the flushing pipe of being responsible for the inner wall respectively, with the communicating joint of ring conduit, with the booster pump of national water supply network intercommunication, the hose that one end and booster pump are connected, set up at the other end of hose and be used for threaded connection to connect the connecting seat on, arrange the lower end below of being responsible for in order to realize collecting the sewage collecting box who washes sewage, be provided with sliding connection on the connecting seat and can the gliding seat of landing downwards on the slide rail under the action of gravity.

By adopting the technical scheme, when the oil-based mud in the pipeline needs to be removed, the valve is closed, the sealing cover is opened, then the sliding seat on the connecting seat of the hose slides downwards to the lower end of the main pipe along the sliding rail in the main pipe from the checking square pipe, and the connecting seat is connected with the joint; then the sliding frame is arranged inside the lower end of the main pipe and moves along the sliding rail; then, a booster water pump is started, so that water flow washes the inner wall of the main pipe along the annular pipe and the washing pipe; then pulling the hose from the square inspection pipe to enable the sliding frame to move downwards along the sliding rail, so that oil-based mud on the inner wall of the main pipe is removed; finally, after the sliding frame moves to the higher end of the main pipe, the hose can be loosened, so that the sliding frame slides downwards along the main pipe with force during the gravity and water flow injection, and the oil-based mud in the main pipe is cleared after the sliding frame reciprocates for multiple times; meanwhile, due to the arrangement of the sliding rails, the connecting seat can be prevented from being polluted along the sliding of the main pipe, and the connecting seat is prevented from being attached to the gathered oil-based mud directly in the sliding process of the bottom in the main pipe.

The invention is further provided with: when the sliding frame is placed from the lower end of the main pipe, the flushing pipe faces to the direction in the main pipe, and one end, far away from the annular pipe, of the flushing pipe is bent towards the direction close to the inner wall of the main pipe.

Through adopting above-mentioned technical scheme, because the removal that the carriage can be influenced to the oil-based mud that exists in the person in charge, at this moment at the carriage along being responsible for the in-process that upwards slides, the flushing pipe washes away the back to the oil-based mud of being responsible for the inner wall earlier to make things convenient for the carriage to upwards slide along being responsible for.

The invention is further provided with: the week side of carriage is provided with the brush hair subassembly that is used for contradicting on being responsible for the inner wall, week side that week side of carriage was detached and is connected slide rail, gyro wheel is provided with the arc wall, the brush hair subassembly includes can dismantle the arc of setting in the arc wall, set up and just be used for contradicting the brush hair layer on being responsible for the inner wall on the arc wall through the bolt.

Through adopting above-mentioned technical scheme, at the carriage removal in-process, the oil-based mud on being responsible for the inner wall can be brushed off to the brush hair of brush hair subassembly, improves the effect of cleaing away to oil-based mud.

The invention is further provided with: the cross section of the sliding rail is in a convex shape, a sliding groove embedded in the sliding rail is arranged on the sliding seat, and a plurality of rolling shafts abutted to the side face of the sliding rail are rotatably connected to the two sides of the sliding groove.

By adopting the technical scheme, the cross section of the sliding rail is in a convex shape, so that the sliding seat can slide on the sliding rail; meanwhile, the roller in the sliding groove of the sliding seat can reduce the friction force between the roller and the sliding rail, so that the sliding seat can quickly slide.

The invention is further provided with: the hose winding and unwinding device is characterized by further comprising a winding and unwinding mechanism for winding and unwinding a hose, wherein the winding and unwinding mechanism comprises a winding and unwinding frame, a rotating pipe with two ends rotatably connected to the winding and unwinding frame, a winding and unwinding wheel arranged on the rotating pipe, and a motor arranged on the winding and unwinding frame and linked with one end of the rotating pipe, a through hole is formed in the middle of the rotating pipe, the hose penetrates into the winding and unwinding wheel from one end, far away from the motor, of the rotating pipe and penetrates out of the through hole, and then the hose is wound on the winding and unwinding wheel, and a fixing assembly for fixing the part, far away from one end of the motor, of the hose, close to the rotating pipe is further arranged on the winding and unwinding frame.

By adopting the technical scheme, the hose can be stained with the oil-based mud in the main pipe, so that the problem that the hose is directly pulled manually in the reciprocating motion process of the sliding frame that the hose holding friction force is small and the pollution to workers is easy to cause is solved, and the hose is retracted and extended through the retracting and extending mechanism to be matched with the reciprocating motion of the sliding frame; meanwhile, the fixed assembly reduces the pulling force on the end part of the hose close to the rotating pipe in the rotating process of the winding and unwinding wheel.

The invention is further provided with: the fixing assembly comprises a placing seat, an arc-shaped pressing sheet and a fixing bolt, the placing seat is arranged on the side face of the storage frame and used for embedding the hose, the arc-shaped pressing sheet is arranged on the placing seat and used for pressing the periphery of the hose, the fixing bolt is arranged at two ends of the arc-shaped pressing sheet and between the placing seats, and a rubber pad is arranged on the inner side of the arc-shaped pressing sheet.

Through adopting above-mentioned technical scheme, when fixing the arc preforming on shelving the seat for the rubber pad in the arc preforming compresses tightly the hose, thereby makes the hose go out to be in fixed subassembly department and is difficult for moving about, rotates the in-process to reduce and receive and release the wheel and reduces the power of dragging that is close to rotating tube tip department to the hose.

The invention is further provided with: the water inlet of the water pump is provided with a three-way valve, one interface of the three-way valve is used for being connected with a national water supply network, and a water return pipe is arranged between the other interface of the three-way valve and the sewage collecting box.

Through adopting above-mentioned technical scheme, be responsible for the adnexed oil base mud of inner wall more and need multilateral when washing just can clear away, the waste water of collecting in the available sewage collecting box in earlier stage washes many times, and the clear water of final reuse national water supply network washes totally, has the effect of water economy resource.

The invention is further provided with: the middle part of the sewage collecting box is provided with a filter plate, and the water return pipe is connected to the lower part of the sewage collecting box.

Through adopting above-mentioned technical scheme, when washing changeably through the waste water in the sewage collecting box, the setting of filter can realize carrying out certain filtration to the waste water that enters into in the return pipe to improve the efficiency of cleaing away oil-based mud under the prerequisite of water economy resource.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is a partial schematic structural view of the dredging mechanism in embodiment 1;

fig. 3 is a schematic structural view of the radio mechanism in embodiment 2;

fig. 4 is a partial structural view of fig. 3.

In the figure: 11. a main pipe; 12. bending the pipe; 13. a valve; 14. a slide rail; 15. checking the square tube; 16. a sealing cover; 21. a carriage; 211. an arc-shaped slot; 22. a roller; 23. an annular tube; 24. a flush tube; 25. a joint; 26. a booster pump; 27. a hose; 28. a connecting seat; 281. a sliding seat; 282. a chute; 283. a roller; 29. a sewage collecting tank; 291. a filter plate; 210. a bristle assembly; 2101. an arc-shaped plate; 2102. a bristle layer; 31. a retractable frame; 32. rotating the tube; 321. a through hole; 33. a retracting wheel; 34. a motor; 35. a fixing assembly; 351. a resting seat; 352. arc-shaped pressing sheets; 353. fixing the bolt; 354. a rubber pad; 4. a three-way valve; 5. a water return pipe.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

Example 1: a dredging device for removing oil-based mud in a pipeline is shown in figure 1 and comprises a pipeline with one end used for being connected with a sludge pump and a dredging mechanism used for removing the oil-based mud in the pipeline. The pipeline comprises a main pipe 11 extending in a straight line, an elbow pipe 12 for connecting a sludge pump, and a valve 13 arranged between the main pipe 11 and the elbow pipe 12, wherein the main pipe 11 extends downwards in an inclined way towards a direction far away from the elbow pipe 12. Meanwhile, the top of one end of the main pipe 11 close to the valve 13 is provided with an inspection square pipe 15, and the inspection square pipe 15 is provided with a sealing cover 16; the top in the main pipe 11 is provided with a slide rail 14 extending along the length direction of the main pipe, and the cross section of the slide rail 14 is in a shape of a Chinese character 'tu'.

As shown in fig. 1 and 2, the dredging mechanism includes a sliding frame 21 inserted from the lower end of the main pipe 11 and sliding along the slide rail 14, a roller 22 disposed at the bottom of the sliding frame 21 and abutting against the bottom inside the main pipe 11, a ring pipe 23 fixedly disposed at the middle of the sliding frame 21, a plurality of flushing pipes 24 circumferentially arranged on the ring pipe 23 and respectively facing the inner wall of the main pipe 11, a joint 25 communicating with the ring pipe 23, a booster pump 26 communicating with the national water supply network, a hose 27 having one end connected to the booster pump 26, a joint seat 28 disposed at the other end of the hose 27 and adapted to be screwed to the joint 25, and a sewage collecting tank 29 disposed below the lower end of the main pipe 11 to collect flushing sewage.

As shown in fig. 1 and 2, when the carriage 21 is inserted from the lower end of the main pipe 11, the nozzle is directed into the main pipe 11, and the end of the nozzle remote from the ring pipe 23 is bent toward the inner wall of the main pipe 11. The periphery of the sliding frame 21 is provided with a brush hair component 210 which is used for abutting against the inner wall of the main pipe 11, the periphery of the sliding frame 21 except the periphery of the connecting sliding rail 14 and the roller 22 is provided with an arc-shaped groove 211, and the brush hair component 210 comprises an arc-shaped plate 2101 detachably arranged in the arc-shaped groove 211 through a bolt, and a brush hair layer 2102 which is fixedly arranged on the arc-shaped plate 2101 and is used for abutting against the inner wall of the main pipe 11.

As shown in fig. 1 and 2, the connecting seat 28 is fixedly provided with a sliding seat 281 slidably connected to the sliding rail 14 and capable of sliding downward under the action of gravity, the sliding seat 281 is provided with a sliding slot 282 embedded in the sliding rail 14, and two sides of the sliding slot 282 are rotatably connected with a plurality of rollers 283 abutting against the side surface of the sliding rail 14.

As shown in fig. 1, the water inlet of the water pump is provided with a three-way valve 4, one interface of the three-way valve 4 is used for connecting a national water supply network, and a water return pipe 5 is arranged between the other connector 25 of the three-way valve 4 and a sewage collection tank 29. The middle part of the sewage collecting box 29 is provided with a filter plate 291, filter cotton is arranged in the filter plate 21 to realize filtering, and the return pipe 5 is connected with the lower part of the sewage collecting box 29.

The implementation effect is as follows: when the oil-based mud in the pipeline needs to be cleaned, the valve 13 is closed, the sealing cover 16 is opened, then the sliding seat 281 on the connecting seat 28 of the hose 27 slides downwards to the lower end of the main pipe 11 along the sliding rail 14 in the main pipe 11 from the inspection square pipe 15, and the connecting seat 28 is connected with the joint 25; then the sliding frame 21 is placed inside the lower end of the main pipe 11 and is moved along the sliding rail 14; then the booster water pump is turned on, so that the water flow washes the inner wall of the main pipe 11 along the annular pipe 23 and the washing pipe 24; then pulling the hose 27 from the square inspection pipe 15 to make the sliding frame 21 move downwards along the sliding rail 14, so as to remove the oil-based mud on the inner wall of the main pipe 11; finally, after the sliding frame 21 moves to the higher end of the main pipe 11, the hose 27 is loosened, so that the sliding frame 21 slides downwards along the main pipe 11 with force during the gravity and water jet, and the oil-based mud in the main pipe 11 is cleared after reciprocating for multiple times; meanwhile, the arrangement of the sliding rail 14 can prevent the connecting seat 28 from being polluted when sliding down along the main pipe 11, and the connecting seat is prevented from being attached to the gathered oil-based mud in the process of directly sliding down from the bottom in the main pipe 11.

Example 2: a dredging device for removing pipeline oil-based mud, as shown in fig. 3, which is different from the embodiment 1 in that: the hose winding and unwinding device further comprises a winding and unwinding mechanism for winding and unwinding the hose 27, wherein the winding and unwinding mechanism comprises a winding and unwinding frame 31, a rotating pipe 32 with two ends rotatably connected to the winding and unwinding frame 31, a winding and unwinding wheel 33 arranged on the rotating pipe 32, and a motor 34 arranged on the winding and unwinding frame 31 and linked with one end of the rotating pipe 32, a through hole 321 is formed in the middle of the rotating pipe 32, and the hose 27 penetrates through one end of the rotating pipe 32, which is far away from the motor 34, from the through hole 321 and then is wound on the winding and unwinding wheel 33.

As shown in fig. 3 and 4, the storage rack 31 is further provided with a fixing assembly 35 for fixing a portion of the hose 27 near an end of the rotating tube 32 remote from the motor 34. The fixing assembly 35 comprises a placing seat 351 arranged on the side surface of the storage rack 31 and used for embedding the hose 27, an arc-shaped pressing sheet 352 arranged on the placing seat 351 and used for pressing the periphery of the hose 27, and a fixing bolt 353 arranged between the two ends of the arc-shaped pressing sheet 352 and the placing seat 351, wherein a rubber pad 354 is arranged on the inner side of the arc-shaped pressing sheet 352.

The implementation effect is as follows: because the hose 27 is stained with the oil-based mud in the main pipe 11, the problem that the hose 27 is directly pulled manually in the reciprocating motion process of the sliding frame 21 that the gripping friction of the hose 27 is small and the pollution to workers is easy to cause exists, and at the moment, the hose 27 is retracted and extended through a retracting and releasing mechanism so as to be matched with the reciprocating motion of the sliding frame 21; while the retention assembly 35 is such as to reduce the pulling force on the hose 27 near the end of the rotatable tube 32 during rotation of the takeup and retraction wheel 33.

Claims

1. The utility model provides a clear away desilting device of pipeline oil base mud, includes that one end is used for connecting the pipeline of sludge pump, is used for clearing up the desilting mechanism of the oil base mud in the pipeline, the pipeline includes that the straight line extends be responsible for (11), be used for connecting return bend (12) of sludge pump, set up valve (13) between being responsible for (11) and return bend (12), be responsible for (11) orientation and keep away from the direction slope downwardly extending of return bend (12), its characterized in that: a slide rail (14) extending along the length direction of the main pipe (11) is arranged at the top of the main pipe (11), an inspection square pipe (15) is arranged at the top of one end of the main pipe (11) close to the valve (13), and a sealing cover (16) is arranged on the inspection square pipe (15); the dredging mechanism comprises a sliding frame (21) which is embedded from the lower end of a main pipe (11) and then slides along a sliding rail (14), a roller (22) which is arranged at the bottom of the sliding frame (21) and used for abutting against the bottom in the main pipe (11), a ring pipe (23) which is arranged at the middle part of the sliding frame (21), a plurality of flushing pipes (24) which are distributed on the ring pipe (23) in a circumferential array way and respectively face the inner wall of the main pipe (11), a joint (25) which is communicated with the ring pipe (23), a booster pump (26) which is communicated with a national water supply network, a hose (27) one end of which is connected with the booster pump (26), a connecting seat (28) which is arranged at the other end of the hose (27) and used for being connected with the joint (25) in a threaded way, and a sewage collecting box (29) which is arranged below the lower end of the main pipe (11) to collect flushing sewage, and a sliding seat (281) which is connected to the sliding rail (14) in a sliding manner and can slide downwards under the action of gravity is arranged on the connecting seat (28).

2. The apparatus of claim 1, wherein said means for removing said tubing oil-based mud comprises: when the sliding frame (21) is placed from the lower end of the main pipe (11), the flushing pipe (24) faces to the direction in the main pipe (11), and one end, far away from the annular pipe (23), of the flushing pipe (24) is bent towards the direction close to the inner wall of the main pipe (11).

3. The apparatus of claim 1, wherein said means for removing said tubing oil-based mud comprises: the week side of carriage (21) is provided with brush hair subassembly (210) that are used for contradicting on being responsible for (11) inner wall, week side of carriage (21) is got rid of all sides of connecting slide rail (14), gyro wheel (22) and is provided with arc wall (211), brush hair subassembly (210) include can dismantle arc wall (2101) of setting in arc wall (211), set up on arc wall (2101) and be used for contradicting brush hair layer (2102) on being responsible for (11) inner wall through the bolt.

4. The apparatus of claim 1, wherein said means for removing said tubing oil-based mud comprises: the cross section of the sliding rail (14) is in a convex shape, a sliding groove (282) embedded in the sliding rail (14) is formed in the sliding seat (281), and a plurality of rolling shafts (283) abutting against the side face of the sliding rail (14) are rotatably connected to two sides of the sliding groove (282).

5. The apparatus of claim 1, wherein said means for removing said tubing oil-based mud comprises: the hose winding and unwinding device is characterized by further comprising a winding and unwinding mechanism for winding and unwinding a hose (27), wherein the winding and unwinding mechanism comprises a winding and unwinding frame (31), a rotating pipe (32) with two ends rotatably connected to the winding and unwinding frame (31), a winding and unwinding wheel (33) arranged on the rotating pipe (32), and a motor (34) arranged on the winding and unwinding frame (31) and linked with one end of the rotating pipe (32), a through hole (321) is formed in the middle of the rotating pipe (32), the hose (27) penetrates into the rotating pipe (32) from one end far away from the motor (34) and penetrates out of the through hole (321) to be wound on the winding and unwinding wheel (33), and a fixing assembly (35) used for fixing the part, close to one end, away from the motor (34), of the hose (27) is further arranged on the winding and unwinding frame (31).

6. The apparatus of claim 5, wherein said means for removing said tubing oil-based mud comprises: the fixing assembly (35) comprises a placing seat (351) which is arranged on the side surface of the storage frame (31) and used for embedding the hose (27), an arc-shaped pressing sheet (352) which is arranged on the placing seat (351) and used for pressing the periphery side of the hose (27), and a fixing bolt (353) which is arranged at the two ends of the arc-shaped pressing sheet (352) and between the placing seats (351), wherein a rubber pad (354) is arranged on the inner side of the arc-shaped pressing sheet (352).

7. The apparatus of claim 6, wherein said means for removing mud from said pipeline comprises: the water pump is characterized in that a three-way valve (4) is arranged at a water inlet of the water pump, one interface of the three-way valve (4) is used for being connected with a national water supply network, and a water return pipe (5) is arranged between the other connector (25) of the three-way valve (4) and the sewage collection box (29).

8. The apparatus of claim 7, wherein said means for removing mud from said pipeline comprises: the middle part of the sewage collecting box (29) is provided with a filter plate (291), and the water return pipe (5) is connected to the lower part of the sewage collecting box (29).