CN222239104U - A wellhead filter for oil production and water injection - Google Patents

Abstract

The utility model belongs to the technical field of oil production equipment, in particular to a wellhead filter for oil production and water injection, comprising a cylinder, a cover plate installed on the top of the cylinder by bolts, and a water inlet pipe and a water delivery pipe respectively fixed to the surface of the cylinder, a filter assembly is installed inside the cylinder, the filter assembly comprises a filter cartridge arranged inside the cylinder, a drainage pipe arranged inside the filter cartridge, and a plurality of drainage holes arranged equidistantly on the surface of the filter cartridge, an annular disk is fixed on the surface of the cylinder, a sealing plate is arranged below the cylinder, the annular disk and the sealing plate are fixedly installed by symmetrically arranged electric telescopic rods, by setting the filter assembly, the filtered impurities can be better discharged, and the impurities attached to the filter cartridge can be cleaned more and more cleanly, the operation is more flexible and practical, the use effect of the device is improved, and the actual use needs are met.

Description

Wellhead filter for oil extraction and water injection

Technical Field

The utility model belongs to the technical field of oil extraction equipment, and particularly relates to a wellhead filter for oil extraction and water injection.

Background

The oil field adopting the water injection oil extraction process needs high-pressure water after purification treatment, and the purification work is usually carried out at a water injection pump station, but when the purified water is conveyed to a wellhead for a long distance, some mechanical impurities are necessarily mixed in the purified water, so that the purified water needs to be filtered;

CN204093172U discloses a water injection wellhead filter for oil field, which comprises a tank, a dirt receiving box, an inner tube, a filter sleeve and an end cover, wherein a water inlet is arranged above the tank, a blow-down valve is arranged below the water inlet, a drain valve is arranged at the bottom of the tank, the dirt receiving box is positioned at the outer side of the tank, a water inlet valve is arranged above the dirt receiving box, and the water inlet valve and the water inlet Kong Tongyi are arranged in the same technical scheme. The utility model has the advantages that the end cover above the tank body is detachable, so that the maintenance equipment is convenient to overhaul, the exploitation cost is saved, and the technical effects of working time, working strength and the like are reduced;

When the device is used, the blow-off valve is arranged, so that the device is convenient to clean and can avoid blocking equipment, but the blow-off valve of the device is transversely designed, so that the impurity discharging effect in the tank body is poor, the impurities in the tank body are difficult to clean more cleanly, the filtering effect is influenced, and the using effect of the device is reduced;

in order to solve the problems, the application provides a wellhead filter for oil extraction and water injection.

Disclosure of utility model

To solve the problems set forth in the background art. The utility model provides a wellhead filter for oil extraction and water injection, which has the characteristics of being capable of better discharging filtered impurities, cleaning the impurities attached to a filter cartridge more cleanly, being more flexible and practical in operation, improving the using effect of the device and meeting the actual using requirements.

The wellhead filter for oil extraction and water injection comprises a barrel, a cover plate, a water inlet pipe, a water delivery pipe, a filter assembly, an annular disc, a sealing plate and a connecting pipe, wherein the cover plate is arranged at the top of the barrel through bolts, the water inlet pipe and the water delivery pipe are respectively fixed on the surface of the barrel, the filter assembly is arranged in the barrel and comprises a filter cylinder arranged in the barrel, a water discharge pipe arranged in the filter cylinder and a plurality of groups of water discharge holes which are arranged on the surface of the filter cylinder at equal intervals, the annular disc is fixed on the surface of the barrel, the sealing plate is arranged below the barrel, the annular disc and the sealing plate are fixedly arranged through symmetrically arranged electric telescopic rods, the top end of the water discharge pipe is fixedly provided with the connecting pipe, the control valve is arranged in the connecting pipe, and one end of the water inlet pipe penetrates into the filter cylinder.

Preferably, the filter cartridge is fixed on the lower surface of the cover plate, and the cover plate is fixedly connected with the drain pipe.

As the wellhead filter for oil extraction and water injection, the bottom of the filter cartridge and the bottom of the cylinder body are in a horizontal state, and the bottom of the drain pipe is in an open structure design.

Preferably, the wellhead filter for oil extraction and water injection is characterized in that a sealing gasket is arranged above the plugging plate.

As the wellhead filter for oil extraction and water injection, the upper surface of the plugging plate is provided with the partition plate, the surface of the partition plate is fixedly provided with the fixing sheet, the sealing gasket is fixed on the surface of the partition plate, the surface of the plugging plate is provided with the clamping groove matched with the partition plate, and the partition plate is positioned in the clamping groove formed in the plugging plate.

As the wellhead filter for oil extraction and water injection, the wellhead filter for oil extraction and water injection is preferable, a collecting assembly is arranged on the annular disc, the collecting assembly comprises a frame which is fixed on the surface of the annular disc and is symmetrically arranged, square rods which are arranged in the frame, and rectangular plates which are slidably connected with the surface of the square rods through sliding sleeves, springs are wound on the surfaces of the square rods, two ends of each spring are fixedly connected with the rectangular plates and the frame respectively, ropes are fixed at one ends of the rectangular plates, a collecting box is arranged between the two groups of rectangular plates through bolts, one end of each square rod is fixedly connected with the frame, a connecting plate is fixed at the other end of each square rod, the connecting plate is fixedly connected with the frame, rectangular blocks are fixed at the other ends of the ropes, and the rectangular blocks are fixedly connected with the plugging plates.

In the wellhead filter for oil extraction and water injection, the inside of the frame is preferably connected with a roller through a rotating shaft in a rotating way, and the rope is wound on the surface of the roller.

Compared with the prior art, the utility model has the beneficial effects that:

Through having set up filter component, can be to the better discharge of filterable impurity, clear up the more clear up of the impurity that cartridge filter adheres to moreover, the cleaner of clearance, this operation is more nimble practical, improve the result of use of device, satisfy the in-service use demand to having added on this mechanism and having collected the subassembly, when avoiding the blowdown, splash on the staff, collect the below that the box can be accurate to the barrel moreover, can be better collect impurity.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of the cartridge body and filter cartridge of the present utility model;

FIG. 3 is a cross-sectional view of the structure of the frame of the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 3 a in the present utility model.

In the figure, 1, a cylinder body, 101, a cover plate, 102, a water inlet pipe, 103, a water conveying pipe, 2, a filtering assembly, 201, a filter cartridge, 202, a water discharging pipe, 203, a water discharging hole, 204, a connecting pipe, 205, a control valve, 206, an annular disc, 207, an electric telescopic rod, 208, a plugging plate, 209, a partition plate, 210, a fixing sheet, 211, a sealing gasket, 212, a clamping groove, 3, a collecting assembly, 301, a frame, 302, a rectangular plate, 303, a collecting box, 304, a square rod, 305, a rectangular block, 306, a spring, 307, a rope, 308 and a roller are shown.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1:

A wellhead filter for oil extraction and water injection comprises a cylinder body 1, a cover plate 101 arranged on the top of the cylinder body 1 through bolts, and a water inlet pipe 102 and a water delivery pipe 103 which are respectively fixed on the surface of the cylinder body 1.

In this embodiment, the existing device { disclosure (bulletin) number }. CN204093172U discloses an oilfield water injection wellhead filter, the present application is further improved with respect to the existing main body, the details refer to the following disclosure technology, in order to solve the technical problems in the prior art, as disclosed in the background art, although a blow-off valve is provided for cleaning and avoiding blocking equipment during use, the blow-off valve of the device is transversely designed, so that the impurity discharging effect in the tank body is poor, the impurity cleaning in the tank body is difficult to clean, the filtering effect is influenced, the using effect of the device is reduced, the problem is obviously a problem which exists in reality and is difficult to solve in combination with use, and in order to solve the technical problem, the filter assembly 2 and the collecting assembly 3 are added on the document of the present application, and the power equipment involved in the product is powered by an external power supply.

Further, the method comprises the following steps:

As shown in fig. 1-4:

A filter assembly 2 is arranged in the barrel 1, the filter assembly 2 comprises a filter barrel 201 arranged in the barrel 1, a drain pipe 202 arranged in the filter barrel 201 and a plurality of groups of drain holes 203 which are arranged on the surface of the filter barrel 201 at equal intervals, an annular disc 206 is fixed on the surface of the barrel 1, a plugging plate 208 is arranged below the barrel 1, the annular disc 206 and the plugging plate 208 are fixedly arranged through symmetrically arranged electric telescopic rods 207, a connecting pipe 204 is fixed at the top end of the drain pipe 202, a control valve 205 is arranged in the connecting pipe 204, and one end of the water inlet pipe 102 penetrates into the filter barrel 201;

The filter cartridge 201 is fixed to the lower surface of the cover plate 101, and the cover plate 101 is fixedly connected to the drain pipe 202.

In the embodiment, when the wellhead filter for oil extraction and water injection is used, water is conveyed to the inside of the filter cartridge 201 through the water inlet pipe 102 and filtered by the filter cartridge 201, filtered water is discharged to the inside of the cylinder body 1 and discharged through the water conveying pipe 103, when impurities filtered by the filter cartridge 201 need to be cleaned, the electric telescopic rod 207 is started, the blocking plate 208 is driven to move downwards, the blocking plate 208 is separated from the cylinder body 1, the blocking of the cylinder body 1 is removed at the moment, the impurities are directly discharged from the filter cartridge 201, when the impurities remained on the surface of the filter cartridge 201 need to be cleaned, the control valve 205 is opened, the external water supply source is connected with the connecting pipe 204 at the moment, the water is discharged into the drain pipe 202 through the connecting pipe 204 and discharged through the drain hole 203, the impact force of the discharged water is used for flushing the impurities on the surface of the filter cartridge 201, the impurities filtered by the operation can be discharged better, the impurities attached to the filter cartridge 201 are cleaned more cleanly, the impurities are cleaned, and the operation is more flexible and practical, and the use effect of the device is improved, and the device is satisfied.

Further, the method comprises the steps of;

In an alternative embodiment, the bottom of the filter cartridge 201 is horizontal to the bottom of the barrel 1, and the bottom of the drain pipe 202 is of an open design.

In the embodiment, the bottom of the filter cartridge 201 is in a horizontal state with the bottom of the cylinder body 1, and the cylinder body 1 is blocked when the filter cartridge 201 is blocked, so that impurities are prevented from being discharged from a gap between the filter cartridge 201 and the cylinder body 1, the filtering effect is improved, and the bottom of the drain pipe 202 is of an open structure design, so that residual impurities in the drain pipe 202 can be cleaned and discharged, the drain effect of the drain pipe 202 is prevented from being influenced, and the using effect of the device is further improved.

Further, the method comprises the steps of;

In an alternative embodiment, a gasket 211 is provided above the plugging plate 208.

In this embodiment, the sealing property of the bottom of the cylinder 1 can be achieved by providing the sealing pad 211.

Further, the method comprises the steps of;

In an alternative embodiment, the upper surface of the plugging plate 208 is provided with a partition plate 209, the surface of the partition plate 209 is fixed with a fixing piece 210, the sealing gasket 211 is fixed on the surface of the partition plate 209, the surface of the plugging plate 208 is provided with a clamping groove 212 matched with the partition plate 209, and the partition plate 209 is positioned in the clamping groove 212 formed in the plugging plate 208.

In the embodiment, through the setting of the baffle 209, on the one hand, the impurity can be primarily blocked, the situation that the subsequent collecting box 303 is not moved to the lower side of the cylinder body 1 yet is avoided, so that the impurity is directly discharged from the filter cylinder 201, the collecting effect on the impurity is influenced, on the other hand, through the flexible taking-down of the baffle 209, the sealing gasket 211 can be driven to be taken down through the baffle 209, so that the sealing gasket 211 is stained with the impurity to be cleaned conveniently and rapidly, and through the setting of the clamping groove 212, the limiting and limiting effects on the baffle 209 can be achieved.

Further, the method comprises the steps of;

In an alternative embodiment, the collecting assembly 3 is installed on the annular disc 206, the collecting assembly 3 comprises a frame 301 fixed on the surface of the annular disc 206 and symmetrically arranged, a square rod 304 arranged inside the frame 301, and a rectangular plate 302 slidingly connected on the surface of the square rod 304 through a sliding sleeve, a spring 306 is wound on the surface of the square rod 304, two ends of the spring 306 are fixedly connected with the rectangular plate 302 and the frame 301 respectively, a rope 307 is fixed at one end of the rectangular plate 302, a collecting box 303 is installed between the two groups of rectangular plates 302 through bolts, one end of the square rod 304 is fixedly connected with the frame 301, the other end of the square rod 304 is fixedly connected with a connecting plate, the connecting plate is fixedly connected with the frame 301, the other end of the rope 307 is fixedly connected with a rectangular block 305, and the rectangular block 305 is fixedly connected with the blocking plate 208;

The inside of the frame 301 is rotatably connected to a drum 308 through a rotation shaft, and the rope 307 is wound around the surface of the drum 308.

In this embodiment, along with the continuous downward movement of the plugging plate 208 and pulling the rope 307, the rope 307 slides on the surface of the roller 308, the friction force between the rope 307 and the connecting plate can be reduced by the arrangement of the roller 308, abrasion is reduced, the service life of the rope 307 is prolonged, the rope 307 drives the rectangular plate 302 to slide on the surface of the square rod 304, meanwhile, the rectangular plate 302 stretches the spring 306, along with the movement of the rectangular plate 302 and drives the collecting box 303 to move, the collecting box 303 automatically moves to the lower part of the cylinder 1 through the downward movement of the plugging plate 208, then the fixing piece 210 is pulled, and then the partition plate 209 is driven to separate from the cylinder 1, so that the plugging of the filter cartridge 201 is removed, impurities filtered by the filter cartridge 201 are discharged to the inside of the collecting box 303, and the impurities are collected without manually holding the collecting box 303, so that when pollution discharge is avoided, the collecting box 303 can accurately move to the lower part of the cylinder 1, and the impurities can be better collected.

The working principle and the using flow of the utility model are as follows: when the wellhead filter for oil extraction and water injection is used, water is conveyed into the filter cartridge 201 through the water inlet pipe 102, filtered by the filter cartridge 201, the filtered water is discharged into the cylinder body 1 and is discharged through the water conveying pipe 103, when impurities filtered by the filter cartridge 201 need to be cleaned, the electric telescopic rod 207 is started, the blocking plate 208 is driven to move downwards, the blocking plate 208 is separated from the cylinder body 1, the blocking of the cylinder body 1 is relieved, the bottom of the cylinder body 1 is temporarily blocked by driving the baffle 209 through the fixing piece 210, the blocking plate 208 moves downwards continuously, the rope 307 is pulled, the rope 307 slides on the surface of the cylinder 308, the friction force between the rope 307 and the connecting plate can be reduced, the abrasion is reduced, the service life of the rope 307 is prolonged, the rectangular plate 302 is driven to slide on the surface of the square rod 304 through the rope 307, meanwhile, the rectangular plate 302 stretches the spring 306, the collection box 303 is driven to move along with the movement of the rectangular plate 302, the collection box 303 is automatically moved to the lower part of the cylinder 1 through the downward movement of the plugging plate 208, then the fixing piece 210 is pulled, the partition plate 209 is driven to be separated from the cylinder 1, the plugging of the filter cylinder 201 is relieved, impurities filtered by the filter cylinder 201 are discharged to the inside of the collection box 303, the impurities are collected, in the process, the collection box 303 does not need to be manually held, when pollution discharge is avoided, the collection box 303 can be accurately moved to the lower part of the cylinder 1, the impurities can be better collected, the impurities can be preliminarily blocked through the arrangement of the partition plate 209 on the one hand, the box 303 is avoided collecting and still not moving to the below of barrel 1 for impurity is direct to be discharged from cartridge filter 201, influence the collecting effect to the impurity, on the other hand, take off in a flexible way through baffle 209, can drive sealed pad 211 through baffle 209 and take off, thereby can be stained with impurity and clear up convenient quick, when need clear up the remaining impurity in cartridge filter 201 surface, open control valve 205 this moment, be connected outside water supply source and connecting pipe 204, thereby with water discharge to drain pipe 202 through connecting pipe 204, and discharge through wash port 203, the impact force of discharged water is with the impurity on cartridge filter 201 surface wash, the sewage that washes is discharged to collect in box 303, through this operation, can be better to the discharge of filterable impurity, clear up the impurity that cartridge filter 201 is attached to in addition, this operation is more nimble and practical, improve the result of use of device, satisfy the actual use demand, because drain pipe 202 bottom is open structure design, thereby can be with drain pipe 202 inside remaining impurity clear up drain 202 influence the drain 202, further the result of the device is avoided.

It should be noted that the above-mentioned embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited thereto, but may be modified or substituted for some of the technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. The wellhead filter for oil extraction and water injection comprises a barrel body (1) and a cover plate (101) arranged at the top of the barrel body (1) through bolts, and a water inlet pipe (102) and a water delivery pipe (103) which are respectively fixed on the surface of the barrel body (1), and is characterized in that a filter assembly (2) is arranged in the barrel body (1), the filter assembly (2) comprises a filter barrel (201) arranged in the barrel body (1) and a water outlet pipe (202) arranged in the filter barrel (201) and water outlet holes (203) which are arranged in multiple groups at equal intervals on the surface of the filter barrel (201), an annular disc (206) is fixed on the surface of the barrel body (1), a blocking plate (208) is arranged below the barrel body (1), a connecting pipe (204) is fixedly arranged between the annular disc (206) and the blocking plate (208) through an electric telescopic rod (207) which is symmetrically arranged, a control valve (205) is arranged in the inner part of the filter barrel (204), and one end of the water inlet pipe (102) penetrates into the filter barrel (201).

2. The wellhead filter for oil and water extraction as claimed in claim 1, wherein the filter cartridge (201) is fixed on the lower surface of the cover plate (101), and the cover plate (101) is fixedly connected with the drain pipe (202).

3. The wellhead filter for oil extraction and water injection according to claim 2, wherein the bottom of the filter cartridge (201) is in a horizontal state with the bottom of the cylinder (1), and the bottom of the drain pipe (202) is in an open structure design.

4. The wellhead filter for oil recovery and water injection according to claim 3, wherein a sealing gasket (211) is arranged above the plugging plate (208).

5. The wellhead filter for oil recovery and water injection according to claim 4, wherein the upper surface of the plugging plate (208) is provided with a baffle plate (209), a fixing piece (210) is fixed on the surface of the baffle plate (209), the sealing pad (211) is fixed on the surface of the baffle plate (209), a clamping groove (212) matched with the baffle plate (209) is formed in the surface of the plugging plate (208), and the baffle plate (209) is located in the clamping groove (212) formed in the plugging plate (208).

6. The wellhead filter for oil and water extraction, as set forth in claim 5, wherein the annular disc (206) is provided with a collecting assembly (3), the collecting assembly (3) comprises a frame (301) fixed on the surface of the annular disc (206) and symmetrically arranged, a square rod (304) arranged inside the frame (301) and a rectangular plate (302) slidingly connected on the surface of the square rod (304) through a sliding sleeve, a spring (306) is wound on the surface of the square rod (304), two ends of the spring (306) are fixedly connected with the rectangular plate (302) and the frame (301) respectively, one end of the rectangular plate (302) is fixedly provided with a rope (307), two groups of rectangular plates (302) are provided with a collecting box (303) through bolts, one end of the square rod (304) is fixedly connected with the frame (301), the other end of the square rod (304) is fixedly connected with the connecting plate, the other end of the rope (307) is fixedly connected with a rectangular block (305), and the rectangular block (208) is fixedly connected with the block.

7. The wellhead filter for oil and water extraction as claimed in claim 6, wherein the inside of the frame (301) is rotatably connected with a roller (308) through a rotating shaft, and the rope (307) is wound on the surface of the roller (308).