CN210933949U

CN210933949U - Sand filter for oil production well

Info

Publication number: CN210933949U
Application number: CN201821600752.1U
Authority: CN
Inventors: 潘志华
Original assignee: Dongying Vocational College
Current assignee: Dongying Vocational College
Priority date: 2018-09-29
Filing date: 2018-09-29
Publication date: 2020-07-07
Anticipated expiration: 2028-09-29

Abstract

The utility model discloses an oil recovery well sand filter relates to petroleum processing technology field, and it includes the box, the lower surface of box and the top fixed connection of four bracing pieces to the bottom of bracing piece is connected with the last fixed surface of bottom plate, and the lower surface of bottom plate is connected with the last fixed surface of rubber pad, the lower surface of box is linked together with the top of producing oil pipe, and the right flank that produces oil pipe is provided with the second valve, the upper surface of box and the upper surface overlap joint of apron inner wall. This oil recovery well sand filter advances oil pipe, drive arrangement, pivot, bearing, scraper blade, filter screen, drain, collecting box, advances dirty mouthful, blow off pipe, first valve, play oil pipe, second valve, power and switch through setting up box, bracing piece, bottom plate, rubber pad, apron, the second for the workman does not need often dismounting device to clean the grains of sand on filter screen surface, thereby reduces workman's work load, improves the efficiency of production.

Description

Sand filter for oil production well

Technical Field

The utility model relates to a petroleum processing technology field specifically is an oil recovery well sand screen.

Background

Petroleum, one of the main objects of geological exploration, is a viscous, dark brown liquid, known as "industrial blood". The upper part of the crust has oil storage. The main component is a mixture of various alkanes, cycloalkanes and aromatics.

The oil contains certain grains of sand when being exploited from the underground through the oil recovery well, especially along with having arrived the later stage of oil field development, the oil reservoir goes out the sand more and more seriously, the system of giving production management and measure has brought the degree of difficulty, the oil that contains sand must go out the sand processing before carrying out subsequent processing, but current sand removal device does not possess the function of self-cleaning filter screen surface grains of sand, it cleans to need the workman often to unpack the device apart manually and clean the filter screen, thereby increase workman's work load, reduce the efficiency of production.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an oil recovery well sand screen has solved current sand removal device and has not possessed the function of self-cleaning filter screen surface sand grain, needs the workman often manually unpack apart the device and clean the filter screen to increase workman's work load, reduce production efficiency's problem.

(II) technical scheme

In order to achieve the above purpose, the utility model adopts the technical proposal that: the utility model provides an oil recovery well sand screen, includes the box, the lower surface of box and the top fixed connection of four bracing pieces to the bottom of bracing piece is connected with the last fixed surface of bottom plate, and the lower surface of bottom plate is connected with the last fixed surface of rubber pad, the lower surface of box is linked together with the top of play oil pipe, and the right flank of play oil pipe is provided with the second valve, the upper surface of box and the upper surface overlap joint of apron inner wall to four first screw holes have been seted up to the surface of apron, and first screw hole female connection has fixing device, fixing device's the right flank and the left surface overlap joint of apron to fixing device's right-hand member passes first screw hole and threaded connection in the second threaded hole that the box left surface was seted up.

The upper surface of apron is linked together with the bottom that advances oil pipe to advance oil pipe's inner wall fixedly connected with backup pad, and the upper surface of backup pad and filter equipment's lower surface overlap joint, and filter equipment's surface and the inner wall overlap joint that advances oil pipe, the upper surface of apron is provided with drive arrangement to drive arrangement's output shaft and the top fixed connection of pivot, the bearing of apron upper surface joint is passed and is extended to in the box to the bottom of pivot, the surface of pivot and the opposite face fixed connection of two scraper blades, and two scraper blades are symmetrical each other, the right flank of scraper blade and the right flank overlap joint of box inner wall to the lower surface of scraper blade and the upper surface overlap joint of filter screen, and filter screen fixed connection is at the inner wall of box.

The left side of box has seted up the drain to the left end of drain is linked together with the dirty mouthful of advancing of collecting box right flank, the right flank of collecting box and the left surface fixed connection of box, and the collecting box is made for transparent material, the lower surface of collecting box is linked together with the bottom of blow off pipe, and the left surface of blow off pipe is provided with first valve.

Preferably, the fixing device comprises a threaded column, the left end of the threaded column is fixedly connected with the right side face of the knob, the right side face of the knob is in lap joint with the left side face of the cover plate, and the right end of the threaded column penetrates through the first threaded hole and is in threaded connection with the second threaded hole.

Preferably, filter equipment includes the filter screen groove, the lower surface in filter screen groove and the upper surface overlap joint of backup pad to the surface in filter screen groove and the inner wall overlap joint of advancing oil pipe, the inner wall fixedly connected with horizontal pole in filter screen groove to the diameter of filter screen groove mesh is greater than the diameter of filter screen mesh.

Preferably, drive arrangement includes the motor, the left and right sides face of motor fuselage all is connected with the upper surface fixed of apron through the curb plate to the output shaft of motor and the top fixed connection of pivot.

Preferably, the left end of the sewage draining exit inclines downwards, the lower surface of the right end of the sewage draining exit and the upper surface of the filter screen are located on the same horizontal plane, and the height of the sewage draining exit is larger than that of the scraper.

Preferably, the right side of the box is provided with a power supply, the right side of the power supply is provided with a switch, the output end of the power supply is electrically connected with the input end of the switch through a wire, and the output end of the switch is electrically connected with the input end of the motor through a wire.

(III) advantageous effects

The beneficial effects of the utility model reside in that:

1. the sand filter for the oil production well comprises a box body, a supporting rod, a bottom plate, a rubber pad, a cover plate, a second oil inlet pipe, a driving device, a rotating shaft, a bearing, a scraper blade, a filter screen, a drain outlet, a collecting box, a sewage inlet, a drain outlet, a first valve, an oil outlet pipe, a second valve, a power supply and a switch, wherein when sand grains are filtered from oil, a worker controls a motor to work through the switch, the motor drives the scraper blade to rotate through the rotating shaft, the scraper blade rotates to scrape the sand grains left on the filter screen, the sand grains are thrown into the collecting box through the drain outlet and the sewage inlet under the action of centrifugal force, the worker stops conveying the oil into the box body when the collecting box is filled with the sand grains, and then opens the first valve to discharge the sand grains out of the collecting box through the drain outlet when the oil is lower than the upper surface of the filter screen, so that the worker does not need to frequently dismantle, thereby reducing the workload of workers and improving the production efficiency.

2. This oil production well sand filter through setting up first screw hole, fixing device and second screw hole for the workman can dismantle the apron after twisting out fixing device, thereby makes things convenient for the workman to maintain and change the filter screen.

3. This oil recovery well sand filter through setting up backup pad and filter equipment for the oil at first will pass through the filter screen groove when entering into the box, makes the filter screen groove can filter out great sand grain in the oil earlier, makes the filterable sand grain of filter screen reduce, thereby slows down the time that the collecting box collected full sand grain, reduces workman's work load.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic structural view at a1 of the present invention;

fig. 3 is an enlarged schematic structural view at a2 of the present invention;

FIG. 4 is a schematic structural view of the right side of the scraper of the present invention;

fig. 5 is a schematic view of the oil inlet pipe of the present invention.

In the figure: 1 box, 2 bracing pieces, 3 bottom plates, 4 rubber pads, 5 cover plates, 6 first threaded holes, 7 fixing devices, 71 threaded columns, 72 knobs, 8 second threaded holes, 9 oil inlet pipes, 10 support plates, 11 filtering devices, 111 filtering screen grooves, 112 cross bars, 12 driving devices, 121 motors, 122 side plates, 13 rotating shafts, 14 bearings, 15 scraping plates, 16 filtering screens, 17 sewage outlets, 18 collecting boxes, 19 sewage inlet openings, 20 sewage outlet pipes, 21 first valves, 22 oil outlet pipes, 23 second valves, 24 power supplies and 25 switches.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-5, the utility model provides a technical solution: a sand filter for an oil production well comprises a box body 1, wherein the lower surface of the box body 1 is fixedly connected with the top ends of four support rods 2, the bottom ends of the support rods 2 are fixedly connected with the upper surface of a bottom plate 3, the lower surface of the bottom plate 3 is fixedly connected with the upper surface of a rubber pad 4, the rubber pad 4 is arranged to increase the friction force between the bottom plate 3 and the ground, so that the device can be placed on the ground more stably, the lower surface of the box body 1 is communicated with the top end of an oil outlet pipe 22, a second valve 23 is arranged on the right side surface of the oil outlet pipe 22, the oil outlet pipe 22 can be blocked by the second valve 23, leakage of workers when oil containers are replaced and connected is avoided, the upper surface of the box body 1 is lapped with the upper surface of the inner wall of a cover plate 5, and the outer surface of the cover plate 5 is provided with four first threaded, and first screw hole 6 female connection has fixing device 7, the right flank of fixing device 7 and the left surface overlap joint of apron 5, and the right-hand member of fixing device 7 passes first screw hole 6 and threaded connection in the second screw hole 8 that the left surface of box 1 was seted up, fixing device 7 includes screw thread post 71, the left end of screw thread post 71 and the right flank fixed connection of knob 72, through setting up knob 72, make the workman can screw out first screw hole 6 with screw thread post 71 through knob 72, thereby make things convenient for the workman to dismantle apron 5, and the right flank of knob 72 and the left surface overlap joint of apron 5, the right-hand member of screw thread post 71 passes first screw hole 6 threaded connection in second screw hole 8.

The upper surface of the cover plate 5 is communicated with the bottom end of the oil inlet pipe 9, the inner wall of the oil inlet pipe 9 is fixedly connected with a support plate 10, the upper surface of the support plate 10 is lapped with the lower surface of a filter device 11, the outer surface of the filter device 11 is lapped with the inner wall of the oil inlet pipe 9, the filter device 11 comprises a filter screen groove 111, the filter screen groove 111 is arranged to filter out larger sand grains in oil firstly, so that the sand grains filtered by a filter screen 16 are reduced, the time of collecting the sand grains fully collected by a collecting box 18 is reduced, the workload of workers is reduced, the lower surface of the filter screen groove 111 is lapped with the upper surface of the support plate 10, the outer surface of the filter screen groove 111 is lapped with the inner wall of the oil inlet pipe 9, the inner wall of the filter screen groove 111 is fixedly connected with a cross rod 112, and by arranging the cross rod 112, the workers can pull the filter screen groove 111 out of the oil inlet pipe 9 through, thereby facilitating workers to clean sand in the filter screen groove 111, and the diameter of the mesh of the filter screen groove 111 is larger than that of the mesh of the filter screen 16, the upper surface of the cover plate 5 is provided with the driving device 12, and the output shaft of the driving device 12 is fixedly connected with the top end of the rotating shaft 13, the driving device 12 comprises a motor 121, by arranging the motor 121, the motor 121 can provide power for the rotation of the rotating shaft 13, so that the rotating shaft 13 can rotate, the left and right side surfaces of the body of the motor 121 are fixedly connected with the upper surface of the cover plate 5 through the side plates 122, and the output shaft of the motor 121 is fixedly connected with the top end of the rotating shaft 13, the bottom end of the rotating shaft 13 passes through the bearing 14 clamped on the upper surface of the cover plate 5 and extends into the box body 1, the outer surface of the rotating shaft 13 is fixedly connected with the opposite surfaces of the two scraper blades 15, and the two scraper blades 15, and the scraper blade 15 can be dialled the grit and locate box 1 through drain 17, the right flank of scraper blade 15 and the right flank overlap joint of box 1 inner wall to the lower surface of scraper blade 15 and the upper surface overlap joint of filter screen 16, and filter screen 16 fixed connection is at the inner wall of box 1.

The left side surface of the box body 1 is provided with a drain outlet 17, the left end of the drain outlet 17 is communicated with a sewage inlet 19 on the right side surface of a collecting box 18, through the arrangement of the drain outlet 17, sand can slide downwards when being stirred to the drain outlet 17 by a scraper 15 due to the downward inclination of the left end of the drain outlet 17, so that the sand can conveniently fall into the collecting box 18, the left end of the drain outlet 17 inclines downwards, the lower surface of the right end of the drain outlet 17 and the upper surface of a filter screen 16 are positioned on the same horizontal plane, the height of the drain outlet 17 is greater than that of the scraper 15, the right side surface of the collecting box 18 is fixedly connected with the left side surface of the box body 1, the collecting box 18 is made of transparent material, through the arrangement of the collecting box 18, the collecting box 18 can collect stirred sand and then discharge the sand in a centralized manner, the workload of workers is reduced, the lower surface of the collecting box 18 is communicated with, and the left side of the sewage discharging pipe 20 is provided with the first valve 21, the right side of the box body 1 is provided with the power supply 24, and the right side of the power supply 24 is provided with the switch 25, through setting up the switch 25, the switch 25 can control the motor 121 to work, thereby facilitating the operation of workers, the output end of the power supply 24 is electrically connected with the input end of the switch 25 through a wire, and the output end of the switch 25 is electrically connected with the input end of the motor 121 through a wire.

The utility model discloses an operating procedure does:

s1, a worker firstly places the container below the oil outlet pipe 22, then opens the second valve 23, and simultaneously the worker conveys oil into the box body 1 through the oil inlet pipe 9, when the oil passes through the filter screen groove 111, larger sand grains are filtered by the filter screen groove 111, and simultaneously the filter screen 16 filters out smaller sand grains;

s2, controlling the motor 121 to work by a worker through the switch 25, driving the scraper 15 to rotate through the rotating shaft 13 when the motor 121 works, scraping sand particles left on the filter screen 16 by the rotation of the scraper 15, and throwing the sand particles into the collecting box 18 through the sewage outlet 17 and the sewage inlet 19 under the action of centrifugal force;

s3, and stopping the supply of oil into the tank 1 when the collection tank 18 is nearly full of sand, and then opening the first valve 21 to discharge the sand out of the collection tank 18 through the drain pipe 20 when the oil is below the upper surface of the filter screen 16.

The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a production well sand screen, includes box (1), its characterized in that: the lower surface of the box body (1) is fixedly connected with the top ends of the four support rods (2), the bottom end of the supporting rod (2) is fixedly connected with the upper surface of the bottom plate (3), the lower surface of the bottom plate (3) is fixedly connected with the upper surface of the rubber pad (4), the lower surface of the box body (1) is communicated with the top end of the oil outlet pipe (22), and the right side surface of the oil outlet pipe (22) is provided with a second valve (23), the upper surface of the box body (1) is lapped with the upper surface of the inner wall of the cover plate (5), and the outer surface of the cover plate (5) is provided with four first threaded holes (6), and the first threaded hole (6) is connected with a fixing device (7) in a threaded manner, the right side surface of the fixing device (7) is lapped with the left side surface of the cover plate (5), the right end of the fixing device (7) penetrates through the first threaded hole (6) and is in threaded connection with a second threaded hole (8) formed in the left side face of the box body (1);

the upper surface of the cover plate (5) is communicated with the bottom end of the oil inlet pipe (9), the inner wall of the oil inlet pipe (9) is fixedly connected with a support plate (10), the upper surface of the support plate (10) is lapped with the lower surface of a filter device (11), the outer surface of the filter device (11) is lapped with the inner wall of the oil inlet pipe (9), the upper surface of the cover plate (5) is provided with a driving device (12), the output shaft of the driving device (12) is fixedly connected with the top end of a rotating shaft (13), the bottom end of the rotating shaft (13) penetrates through a bearing (14) clamped on the upper surface of the cover plate (5) and extends into the box body (1), the outer surface of the rotating shaft (13) is fixedly connected with the opposite surfaces of the two scraping plates (15), the two scraping plates (15) are symmetrical to each other, and the right side surface of the scraping plates (15) is lapped with, the lower surface of the scraper (15) is lapped with the upper surface of the filter screen (16), and the filter screen (16) is fixedly connected with the inner wall of the box body (1);

drain (17) have been seted up to the left surface of box (1) to the left end of drain (17) is linked together with dirty mouthful (19) of advancing of collecting box (18) right flank, the right flank of collecting box (18) and the left surface fixed connection of box (1) to collecting box (18) are made for transparent material, the lower surface of collecting box (18) is linked together with the bottom of blow off pipe (20), and the left surface of blow off pipe (20) is provided with first valve (21).

2. The production well sand screen of claim 1, wherein: fixing device (7) include screw thread post (71), the right flank fixed connection of the left end of screw thread post (71) and knob (72) to the right flank of knob (72) and the left flank overlap joint of apron (5), the right-hand member of screw thread post (71) passes first screw hole (6) threaded connection in second screw hole (8).

3. The production well sand screen of claim 1, wherein: filter equipment (11) are including filter screen groove (111), the lower surface of filter screen groove (111) and the upper surface overlap joint of backup pad (10) to the surface of filter screen groove (111) and the inner wall overlap joint of advancing oil pipe (9), the inner wall fixedly connected with horizontal pole (112) of filter screen groove (111) to the diameter of filter screen groove (111) mesh is greater than the diameter of filter screen (16) mesh.

4. The production well sand screen of claim 1, wherein: the driving device (12) comprises a motor (121), the left side surface and the right side surface of the body of the motor (121) are fixedly connected with the upper surface of the cover plate (5) through side plates (122), and the output shaft of the motor (121) is fixedly connected with the top end of the rotating shaft (13).

5. The production well sand screen of claim 1, wherein: the left end of the sewage draining exit (17) is inclined downwards, the lower surface of the right end of the sewage draining exit (17) and the upper surface of the filter screen (16) are positioned on the same horizontal plane, and the height of the sewage draining exit (17) is greater than that of the scraper (15).

6. The production well sand screen of claim 4, wherein: the right side of box (1) is provided with power (24) to the right side of power (24) is provided with switch (25), the output of power (24) is connected with the input of switch (25) through the wire is electric, and the output of switch (25) is connected with the input of motor (121) through the wire.