Horizontal well sand washing equipment

Abstract

The utility model discloses sand washing equipment for a horizontal well. The sand washing equipment comprises a movable water tank, a supporting plate fixedly connected to the rear lower side of the movable water tank and a transfer frame fixedly connected to the supporting plate. A sand washing structure is arranged on the rear side of the rear lower end of the movable water tank, the sand washing structure comprises a first suction pump, a water passing pipe, a guide plate and a spray head, and the first suction pump is fixedly mounted on the upper side of the left end of the supporting plate through screws; a regulation and control structure is arranged on the guide plate, the regulation and control structure comprises a waterproof monitoring head, a display, a controller, a middle plate, an external connection plate, a transfer plate, a motor and a machine cover, the waterproof monitoring head is embedded in the inner side of the outer lower end of the guide plate, and a limiting plate fixedly connected with the movable water tank is attached to the outer side of the middle of the transfer plate in a buckled mode. According to the horizontal well sand washing equipment, water is conveniently introduced for sand washing, the sand washing position is conveniently adjusted, the sand washing effect is good, sand washing water is conveniently sucked and flows back, and sand and stones in the water are conveniently filtered, collected and cleaned.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of petroleum, specifically is a horizontal well sand washing equipment. BACKGROUND

[0002] Horizontal well is often used for the development of high permeability loose sandstone oil and gas reservoir, and the horizontal well sand washing equipment is an important tool indispensable in oil and gas exploitation, mainly used for removing sand accumulation in the horizontal well, ensuring normal production of oil well and prolonging service life of equipment.

[0003] But the existing horizontal well sand washing equipment still has some problems in the use process, such as not adjusting the water flushing position generally, limited sand washing effect, and inconvenient suction backflow, filtration collection and cleaning of sand washing water, therefore, we provide a horizontal well sand washing equipment to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model discloses a horizontal well sand washing equipment to solve the problems of the existing horizontal well sand washing equipment in the background art, such as not adjusting the water flushing position generally, limited sand washing effect, and inconvenient suction backflow, filtration collection and cleaning of sand washing water.

[0005] To achieve the above object, the utility model provides the following technical scheme: a horizontal well sand washing equipment, comprising: a mobile water tank, a support plate fixedly connected to the lower side of the rear of the mobile water tank and a transfer frame fixedly connected to the support plate;

[0006] Further comprising:

[0007] The rear lower end of the mobile water tank is provided with a sand washing structure, wherein the sand washing structure comprises a first pump, a water pipe, a guide plate and a spray head, and the first pump is screw-fixedly installed on the upper side of the left end of the support plate;

[0008] The guide plate is provided with a control structure, wherein the control structure comprises a waterproof monitoring head, a display, a controller, an intermediate plate, an external plate, a transfer plate, a motor and a machine cover, the waterproof monitoring head is inlaidly installed on the inner side of the outer lower end of the guide plate, and the outer side of the middle of the transfer plate is buckled to a limiting plate fixedly connected to the mobile water tank;

[0009] The right end of the support plate is provided with a backflow sand filtering structure, wherein the backflow sand filtering structure comprises a transfer frame, a second pump, a first sealing gasket, a water pumping pipe, a backwater pipe, a first filter screen, a cover plate, a second sealing gasket, a second filter screen, a receiving plate and a connecting plate, and the second pump in communication with the transfer frame is nestedly installed on the right end inner side of the transfer frame.

[0010] Preferably, the front end of the first pump is connected with the mobile water tank, and the front end of the first pump and the left end of the second pump are closely attached with the first sealing gasket, and the first sealing gaskets are respectively fixedly attached with the mobile water tank and the transfer frame, and the middle inner side of the rear end of the mobile water tank is embeddedly installed with a display and a controller.

[0011] Preferably, the left end of the first pump is connected with a water pipe which is threadedly connected with the guide plate, and the lower end inner side of the guide plate is nestedly installed with a spray head which is threadedly connected with the guide plate.

[0012] Preferably, the right upper side of the guide plate is sequentially provided with an intermediate plate and an external plate, the upper outer sides of the guide plate and the intermediate plate and the intermediate plate and the external plate are rotationally connected with transfer plates, the rear outer sides of the outer ends of the transfer plates are fixedly connected with machine housings, and the machine housings are respectively nestedly installed with motors which are coupled with the guide plate, the intermediate plate and the external plate.

[0013] Preferably, the left end inner side of the transfer frame is threadedly connected with a water pumping pipe which is located on the supporting plate, the water pumping pipe is connected with the water returning pipe through the transfer frame and the second pump, and the upper end of the water returning pipe is threadedly connected with the right rear upper end inner side of the mobile water tank.

[0014] Preferably, the transfer frame is nestedly attached with a first filter screen, the first filter screen is fixedly connected with a cover plate which is attached with the transfer frame, and the cover plate is externally fixedly attached with a second sealing gasket which is nestedly attached with the transfer frame.

[0015] Preferably, the mobile water tank is nestedly attached with a second filter screen, the lower side of the second filter screen is symmetrically attached with a receiving plate which is fixedly connected with the mobile water tank, and the upper sides of the left and right ends of the second filter screen are fixedly connected with connecting plates.

[0016] Compared with the prior art, the horizontal well sand washing equipment has the advantages that: the horizontal well sand washing equipment is convenient for water flushing and sand washing position adjustment, has good sand washing effect, is convenient for sucking and returning the sand washing water, and is convenient for filtering, collecting and cleaning the sand in the water.

[0017] 1. The mobile water tank, the first pump, the water pipe and the guide plate are provided, the mobile water tank is connected with the guide plate through the first pump and the water pipe, the lower end inner side of the guide plate is threadedly connected with the spray head, the lower end inner side of the guide plate is embeddedly installed with the waterproof monitoring head, the rear end inner side of the mobile water tank is embeddedly installed with the display and the controller, the right upper side of the guide plate is sequentially provided with the intermediate plate and the external plate, the guide plate and the intermediate plate and the intermediate plate and the external plate are rotationally connected with the transfer plates which are buckled and attached with the limiting plates, and the rear sides of the guide plate, the intermediate plate and the external plate are connected with the motors which are nested with the machine housings, so that the horizontal well sand washing equipment is convenient for water flushing and sand washing position adjustment, has good sand washing effect, is convenient for sucking and returning the sand washing water, and is convenient for filtering, collecting and cleaning the sand in the water.

[0018] 2. The utility model provides with the transfer frame, second pump, first sealing pad and pumping pipe, because the right end upper side of support plate is fixed with the left end inner side threaded connection pumping pipe's transfer frame, the right end inner side of transfer frame is linked with the second pump sealed through first sealing pad, and the second pump is threaded connection with the backwater pipe communicated with mobile water tank, thus it is convenient for the pumping backflow of sand washing water to carry out;

[0019] 3. The utility model provides with the transfer frame, first filter screen, cover plate and second sealing pad, because the first filter screen is nested with in the transfer frame, the cover plate sealed with the transfer frame through the second sealing pad is fixed on the first filter screen, and the second filter screen is nested with through the support of the receiving plate on the upper end inner side of mobile water tank, and the connecting plate is fixedly connected on the upper side of left and right two ends of second filter screen, thus it is convenient for the filtration collection and cleaning of sand and stone in water. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the front view sectional structure schematic diagram of the utility model;

[0021] Figure 2 It is the side view sectional structure schematic diagram of the utility model;

[0022] Figure 3 It is the utility model Figure 1 It is the enlarged structure schematic diagram of A place in the middle;

[0023] Figure 4 It is the guide plate and the side view sectional structure schematic diagram of the spray head connection of the utility model;

[0024] Figure 5 It is the second filter screen and the top view sectional solid structure schematic diagram of the mobile water tank connection of the utility model.

[0025] In the drawing: 1, mobile water tank; 2, support plate; 3, first pump; 4, water pipe; 5, guide plate; 6, spray head; 7, waterproof monitoring head; 8, display; 9, controller; 10, intermediate plate; 11, external plate; 12, transfer plate; 13, motor; 14, machine cover; 15, limiting plate; 16, transfer frame; 17, second pump; 18, first sealing pad; 19, pumping pipe; 20, backwater pipe; 21, first filter screen; 22, cover plate; 23, second sealing pad; 24, second filter screen; 25, receiving plate; 26, connecting plate. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0027] Please refer to Figures 1-5 The utility model provides a technical scheme: a horizontal well sand washing equipment, including mobile water tank 1, support plate 2, first pump 3, water pipe 4, guide plate 5, spray head 6, waterproof monitoring head 7, display 8, controller 9, intermediate plate 10, external plate 11, transfer plate 12, motor 13, machine cover 14, limiting plate 15, transfer frame 16, second pump 17, first gasket 18, pumping pipe 19, backwater pipe 20, first filter screen 21, cover plate 22, second gasket 23, second filter screen 24, receiving plate 25 and connecting plate 26, mobile water tank 1 rear lower side fixed connection support plate 2 and the fixed connection of support plate 2 transfer frame 16, the rear lower end of mobile water tank 1 rear side is provided with sand washing structure, wherein sand washing structure includes first pump 3, water pipe 4, guide plate 5 and spray head 6, and first pump 3 screw fixed installation is in the left end upper side of support plate 2, and guide plate 5 is provided with control structure, wherein control structure includes waterproof monitoring head 7, display 8, controller 9, intermediate plate 10, external plate 11, transfer plate 12, motor 13 and machine cover 14, and waterproof monitoring head 7 is embedded in the outer lower end of guide plate 5 Inner side installation, and the middle part outer side of transfer plate 12 is buckled with the fixed connection of limiting plate 15 of mobile water tank 1, and the right end upper side of support plate 2 is provided with backflow sand filtering structure, wherein backflow sand filtering structure includes transfer frame 16, second pump 17, first gasket 18, pumping pipe 19, backwater pipe 20, first filter screen 21, cover plate 22, second gasket 23, second filter screen 24, receiving plate 25 and connecting plate 26, and the right end inner side of transfer frame 16 is nested with the second pump 17 communicated with it Installation. Specific embodiment one

[0028] In order to solve the problem that the sand washing position is not adjusted in the prior art, and the sand washing effect is limited, therefore, the embodiment is through the following technical scheme, such as Figure 1 、 Figure 2 and Figure 4, first can be moved in the horizontal well beside the device, then can be taken from the mobile water tank 1 after the limited plate 15 buckle with the transfer plate 12, then the operating personnel can hold the outer plate 11, the guide plate 5 is nested in the horizontal well, then the controller 9 embedded in the rear end of the mobile water tank 1 can be controlled, the first pump 3 connected with the left lower end of the mobile water tank 1 is operated, because the front end of the first pump 3 is closely attached to the first sealing pad 18 fixed with the mobile water tank 1, and the water pipe 4 is threadedly connected between the left end of the first pump 3 and the guide plate 5, so that the water in the mobile water tank 1 is pumped into the water pipe 4 under the sealing of the first sealing pad 18, and then into the guide plate 5, and finally sprayed out by the nozzle 6 threadedly connected to the inner side of the lower end of the guide plate 5, so as to achieve the purpose of water flushing and sand washing of the horizontal well;

[0029] In the process of water flushing and sand washing, the waterproof monitoring head 7 embedded in the inner side of the lower end of the guide plate 5 and the display 8 embedded in the rear end of the mobile water tank 1 can be controlled by the controller 9 to work together, so that the waterproof monitoring head 7 monitors the picture in the well, and the display 8 displays the picture detected by the waterproof monitoring head 7, so that the operator can move the outer plate 11 to fine tune the position of the guide plate 5 according to the sand washing requirement, and the motor 13 installed in the housing 14 can be controlled by the controller 9 to work, because the right upper side of the guide plate 5 is provided with the intermediate plate 10 and the outer plate 11 in sequence, the guide plate 5, the intermediate plate 10 and the outer plate 11 are connected with the transfer plate 12, and the rear side of the guide plate 5, the intermediate plate 10 and the outer plate 11 is connected with the motor 13, so that the connection between the guide plate 5, the intermediate plate 10 and the outer plate 11 and the transfer plate 12 can be adjusted by the operation of the motor 13, so that the nozzle 6 connected to the lower end of the guide plate 5 faces the sand washing position, thereby improving the sand washing effect of the device. Specific embodiment two

[0030] In order to solve the problem that the sand washing water cannot be sucked back, filtered, collected and cleaned in the prior art, the technical scheme is as follows, Figure 1 , Figure 2 , Figure 3 and Figure 5In the sand washing process of the horizontal well, the water suction pipe 19 threaded on the support plate 2 and the transfer frame 16 is placed in the horizontal well, and then the second suction pump 17 fixedly installed on the right end of the support plate 2 is controlled to work by the controller 9. Since the second suction pump 17 is nestedly installed in the right end of the transfer frame 16, the left end of the second suction pump 17 is tightly arranged with the first sealing gasket 18 fixedly attached to the transfer frame 16, and the rear end of the second suction pump 17 is communicated with the water return pipe 20 threaded on the right rear upper end of the mobile water tank 1. The upper side and the upper end of the transfer frame 16 are respectively arranged with the fixedly attached cover plate 22 and the second sealing gasket 23. Therefore, through the work of the second suction pump 17, the sand washing water is sucked through the water suction pipe 19, and is returned to the mobile water tank 1 through the water return pipe 20, and the first filter screen 21 fixedly connected with the cover plate 22 is nestedly arranged in the transfer frame 16, and the second filter screen 24 supported by the receiving plate 25 is nestedly arranged in the mobile water tank 1. Therefore, the sand and stone impurities in the sand washing water can be filtered and collected through the first filter screen 21 and the second filter screen 24, and after the device is used, the first filter screen 21 and the second filter screen 24 can be taken out to clean the filtered and collected sand and stone impurities. The electrical elements contained in the above are all prior art known to those skilled in the art, and will not be described in detail here.

[0031] The contents not described in detail in the specification belong to the prior art known to those skilled in the art, the standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings. The specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the mechanical parts and equipment adopt the conventional types in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and will not be described in detail here. The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0032] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A sand washing apparatus for a horizontal well comprising: The mobile water tank (1), the lower rear side of the mobile water tank (1) is fixedly connected with a support plate (2), and a transfer frame (16) is fixedly connected to the support plate (2); It is characterized in that it further comprises: The rear lower end of the mobile water tank (1) is provided with a sand washing structure, wherein the sand washing structure comprises a first pump (3), a water pipe (4), a guide plate (5) and a spray head (6), and the first pump (3) is screw-fixedly installed on the left upper end of the support plate (2); The guide plate (5) is provided with a control structure, wherein the control structure comprises a waterproof monitoring head (7), a display (8), a controller (9), an intermediate plate (10), an external plate (11), a transfer plate (12), a motor (13) and a machine cover (14), the waterproof monitoring head (7) is inlaidly installed on the outer lower end of the guide plate (5), and the outer side of the middle part of the transfer plate (12) is buckled with a limiting plate (15) fixedly connected with the mobile water tank (1); The right upper end of the support plate (2) is provided with a backflow sand filtering structure, wherein the backflow sand filtering structure comprises a transfer frame (16), a second pump (17), a first sealing gasket (18), a water pumping pipe (19), a backwater pipe (20), a first filter screen (21), a cover plate (22), a second sealing gasket (23), a second filter screen (24), a receiving plate (25) and a connecting plate (26), and the right inner side of the transfer frame (16) is nested with the second pump (17) in communication therewith.

2. A sand washing apparatus for a horizontal well according to claim 1, characterized in that: The front end of the first pump (3) is in communication with the mobile water tank (1), and the front end of the first pump (3) and the left end of the second pump (17) are tightly provided with the first sealing gasket (18), and the first sealing gasket (18) is individually fixedly attached to the mobile water tank (1) and the transfer frame (16), and the inner middle part of the rear end of the mobile water tank (1) is inlaidly installed with the display (8) and the controller (9).

3. The sand washing apparatus of claim 1, wherein: The left end of the first pump (3) is in communication with the water pipe (4) screw-connected with the guide plate (5), and the inner lower end of the guide plate (5) is nested with the spray head (6) screw-connected therewith.

4. The sand washing apparatus of claim 1, wherein: The right upper side of the guide plate (5) is sequentially provided with the intermediate plate (10) and the external plate (11), the guide plate (5), the intermediate plate (10) and the upper outer side of the external plate (11) are all rotationally connected with the transfer plate (12), the outer rear side of the transfer plate (12) is all fixedly connected with the machine cover (14), and the machine cover (14) is individually nested with the motor (13) shaft-coupling connected with the guide plate (5), the intermediate plate (10) and the external plate (11).

5. The sand washing apparatus of claim 1, wherein: The inner left end of the transfer frame (16) is screw-connected with the water pumping pipe (19) on the support plate (2), the water pumping pipe (19) is in communication with the backwater pipe (20) through the transfer frame (16) and the second pump (17), and the upper end of the backwater pipe (20) is screw-connected to the inner right upper end of the mobile water tank (1).

6. A sand washing apparatus for horizontal wells as defined in claim 1, wherein: The first filter screen (21) is nested and attached in the transfer frame (16), the cover plate (22) is fixedly connected to the first filter screen (21) and is attached to the transfer frame (16), and the second sealing gasket (23) is attached and fixed outside the cover plate (22) and is nested and attached to the transfer frame (16).

7. The apparatus of claim 1, wherein: The second filter screen (24) is nested and attached in the mobile water tank (1), the receiving plate (25) is symmetrically attached below the second filter screen (24) and is fixedly connected to the mobile water tank (1), and the connecting plates (26) are fixedly connected to the upper sides of the left and right ends of the second filter screen (24).

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