Wellhead cleaning device for oilfield water injection

Abstract

The utility model relates to the technical field of oilfield wellhead cleaning devices, in particular to a wellhead cleaning device for oilfield water injection, which adopts the technical scheme that the wellhead cleaning device comprises a frame, a liquid storage tank and a fixing frame, the frame is of a U-shaped structure, four groups of rollers are mounted on the outer side of the frame through pin shafts, and a battery box is fixedly mounted on the left side of the top of the frame; and a liquid storage box is fixedly mounted on the right side of the top of the battery box. The liquid injection tank is installed at the top of the spraying pipe, when water flow in the spraying pipe flows at a high speed, acid or alkaline cleaning agents in the liquid storage tank can be added into water according to the siphon principle, the acid or alkaline cleaning agents are sprayed out of the spraying pipe after being mixed through the high-speed water flow, and then the flushing effect of the device on an oil field wellhead is enhanced; under the condition that high-pressure water flow is not used, it can still be guaranteed that the good cleaning effect on the wellhead of an oil field is achieved, and damage to sealing pieces at the positions of a pipeline and a valve caused by strong impact force is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to oilfield wellhead cleaning device technical field, concretely is a wellhead cleaning device for oilfield water injection. BACKGROUND

[0002] In the oilfield production process, the environment around the injection well may exist dust, silt and other impurities, these impurities are easy to adhere to the wellhead equipment, long-term accumulation can block the injection channel, affect the injection efficiency, regular cleaning wellhead can remove these impurities, ensure the smooth injection, therefore we propose a wellhead cleaning device for oilfield water injection.

[0003] The prior art has the following defects in use:

[0004] The wellhead cleaning device for oilfield water injection in the prior art is single in functionality, only capable of flushing the wellhead by a high-pressure water gun, and the wellhead is installed with a large number of pipelines and valves, which will adhere to a large amount of dust and oil sludge during normal use, and only using the high-pressure water gun has limited flushing effect and is easy to cause the sealing element to be impacted by a large force, affecting the structural sealing property.

[0005] The wellhead cleaning device for oilfield water injection in the prior art has weak cleaning power, so that the device cannot effectively clean stubborn dirt, or needs to consume a long time during cleaning, thereby reducing the cleaning efficiency of the device for the oilfield wellhead.

[0006] In view of this, the wellhead cleaning device for oilfield water injection is proposed to solve the existing problems. CONTENT OF THE UTILITY MODEL

[0007] The utility model aims at providing a wellhead cleaning device for oilfield water injection to solve the problems in the background art.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a wellhead cleaning device for oilfield water injection, comprising a vehicle frame, a liquid storage tank and a fixing frame, the vehicle frame is a U-shaped structure, and four groups of rollers are installed on the outer side of the vehicle frame through a pin shaft, a battery box is fixedly installed on the top left side of the vehicle frame;

[0009] A liquid storage tank is fixedly installed on the top right side of the battery box, and the top of the liquid storage tank is designed in an open-top manner, an installation frame is fixedly installed on the top right side of the liquid storage tank, a water pump is fixedly installed on the top of the installation frame, a gas pump is fixedly installed on the front of the water pump on the top of the installation frame, a spray pipe is fixedly installed on the right side of the installation frame, the left side of the spray pipe is connected with the water pump through a conduit, a liquid injection tank is fixedly installed on the top of the spray pipe through a water valve, and a plurality of water injection holes are formed in the right side of the spray pipe;

[0010] The top of the frame is fixedly installed with a fixing frame on the right side of the liquid storage tank, the fixing frame is a longitudinally arranged U-shaped structure, an electric motor is fixedly installed on the inner side of the fixing frame, and a brush roller is fixedly installed on the bottom of the output shaft of the electric motor.

[0011] Preferably, the top left side of the battery box is fixedly installed with a mounting plate, and two groups of handles are fixedly installed on the left side of the mounting plate.

[0012] Preferably, the left side of the water pump is fixedly installed with a bend pipe, the bend pipe extends to the inside of the liquid storage tank, and the bottom end of the bend pipe is arranged at a distance of three to five centimeters from the bottom of the inside of the liquid storage tank.

[0013] Preferably, two groups of air guide boxes are fixedly installed on the right side of the liquid storage tank below the spray pipe, and the air guide boxes are connected with the air pump through a guide pipe.

[0014] Preferably, the brush roller is connected with the fixing frame through a bearing, and a plurality of brush strips with spiral patterns on the surfaces are installed on the outer side of the brush roller, and the brush strips are hollow columnar structures.

[0015] Preferably, a plurality of groups of storage batteries are fixedly installed in the inside of the battery box, the left side of the storage batteries extends out of the battery box, and the storage batteries are electrically connected with the water pump, the air pump and the electric motor through wires respectively.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] The utility model discloses a liquid injection tank is installed on the top of the spray pipe, can utilize siphon principle to add the acid or alkaline cleaning agent in the inside of the liquid storage tank into water when the water flow in the inside of the spray pipe flows at high speed, and the water flow is sprayed from the spray pipe after mixing at high speed, and the flushing effect of the device for the oilfield wellhead is enhanced, the oilfield wellhead still guarantees the good cleaning effect under the condition that high -pressure water flow is not used, and the damage of the sealing element at the pipe and valve caused by the strong impact force is avoided.

[0018] The utility model discloses a brush roller is installed on the bottom of the output shaft of the electric motor, can realize the automatic brushing through the brush roller, and the spiral pattern is set up on the surface of the brush roller, can improve the effect of brushing, and the hollow design brush strip still can exert the relatively soft force to the pipe and valve when contacting with the pipe and valve, and then avoids causing the damage of the pipe and valve, and the cleaning efficiency of the device for the oilfield wellhead is improved. ACCURACY

[0019] Figure 1 It is the first three-dimensional structure schematic view of the utility model;

[0020] Figure 2 It is the second three-dimensional structure schematic view of the utility model.

[0021] Figure 3 It is a front structure schematic view of the utility model;

[0022] Figure 4 It is a front structure schematic view of the utility model;

[0023] Figure 5 It is a local three-dimensional structure schematic view of the utility model.

[0024] In the drawing: 1, frame; 101, handle; 102, mounting plate; 103, battery box; 104, roller; 2, liquid storage tank; 201, air pump; 202, air guide box; 203, mounting frame; 204, spray pipe; 205, water pump; 206, liquid injection tank; 3, fixing frame; 301, motor; 302, brush roller. DETAILED DESCRIPTION

[0025] The technical scheme of the utility model will be further explained in combination with the drawings and specific embodiments.

[0026] As Figure 1 - Figure 5 The utility model provides a wellhead cleaning device for oilfield water injection, including frame 1, liquid storage tank 2 and fixing frame 3, frame 1 is U-shaped structure, and the outside of frame 1 is installed four groups of rollers 104 through pin shaft, the left side of the top of frame 1 is fixedly installed battery box 103, frame 1 can provide the installation position of the component of top, roller 104 can conveniently push frame 1, and then make the device can move while cleaning, make multi-angle cleaning of oilfield wellhead is convenient, improve the cleaning effect of device, battery box 103 can provide the installation position of battery, and then utilize the electric energy stored in battery to provide the electricity of device;

[0027] The top right side of the battery box 103 is fixedly installed with a liquid storage tank 2, and the top of the liquid storage tank 2 is designed as an open type, the top right side of the liquid storage tank 2 is fixedly installed with a mounting rack 203, the top of the mounting rack 203 is fixedly installed with a water pump 205, the top of the mounting rack 203 is fixedly installed with an air pump 201 in front of the water pump 205, the right side of the mounting rack 203 is fixedly installed with a spray pipe 204, the left side of the spray pipe 204 is connected with the water pump 205 through a conduit, and the top of the spray pipe 204 is fixedly installed with a liquid injection tank 206 through a water valve, a plurality of water injection holes are formed in the right side of the spray pipe 204, the liquid storage tank 2 can store a certain amount of clean water, thereby facilitating the cleaning of the pipelines and valves of the oilfield wellhead with clean water, and the liquid storage tank 2 can provide a mounting position for the surrounding components, the mounting rack 203 can provide a mounting position for the surrounding components, the water pump 205 is of a 25-RXB type, and the water pump 205 can suck the clean water in the liquid storage tank 2 after being powered on, thereby injecting the clean water into the spray pipe 204, the air pump 201 is of a VTN41 type, and the air pump 201 can inject high-pressure air into the two groups of air deflectors 202 after being powered on, the spray pipe 204 can guide the flow of clean water and cleaning agent inside, thereby uniformly spraying the clean water or the water mixed with the cleaning agent from the right side of the spray pipe 204, and cooperating with the brush roller 302 to clean the pipelines and valves of the oilfield wellhead, the liquid injection tank 206 can store a certain amount of acidic or alkaline cleaning agent, thereby mixing the acidic or alkaline cleaning agent into the water in the spray pipe 204 through the siphon effect of the water flow in the spray pipe 204, and then spraying it out of the spray pipe 204, so as to improve the cleaning strength of the device on the pipelines and valves of the oilfield wellhead;

[0028] The top of the frame 1 is fixedly installed with a fixing frame 3 on the right side of the liquid storage tank 2, the fixing frame 3 is a vertically placed U-shaped structure, the inner side of the fixing frame 3 is fixedly installed with an electric motor 301, and the output shaft bottom of the electric motor 301 is fixedly installed with a brush roller 302, the fixing frame 3 can provide a mounting position for the electric motor 301 and the brush roller 302, the electric motor 301 is of a YE3-100KW type, and the electric motor 301 can rotate after being powered on, thereby driving the brush roller 302 to rotate at high speed, and the brush roller 302 is in contact with the pipelines and valves of the oilfield wellhead in the state of high-speed rotation, thereby replacing manual brushing of the pipelines and valves of the oilfield wellhead, and improving the cleaning effect of the device on the oilfield wellhead.

[0029] Further, the top left side of the battery box 103 is fixedly installed with a mounting plate 102, and the left side of the mounting plate 102 is fixedly installed with two groups of handles 101, the mounting plate 102 can provide a mounting position for the handles 101, and the handles 101 can facilitate pushing and moving the device.

[0030] Further, the left side of the water pump 205 is fixedly installed with a bend pipe, and the bend pipe extends to the inside of the liquid storage tank 2, and the bottom end of the bend pipe is provided with a distance of three to five centimeters from the bottom of the inside of the liquid storage tank 2, and the bend pipe can facilitate the water pump 205 to suck the clean water in the inside of the liquid storage tank 2.

[0031] Further, the right side of the liquid storage tank 2 is fixedly installed with two groups of air guide boxes 202 below the spray pipe 204, the air guide boxes 202 are connected with the air pump 201 through the pipes, the air guide boxes 202 can horizontally guide the high-pressure air in the inside, so that the water droplets attached to the surface of the cleaned pipeline and valve are blown away under the action of the air blown in the horizontal direction, thereby avoiding that a large amount of water stays on the surface of the pipeline and valve to adsorb dust and cause secondary pollution.

[0032] Further, the brush roller 302 is connected with the fixed frame 3 through the bearing, and a plurality of brush bars with spiral grooves on the surface are installed on the outside of the brush roller 302, and the brush bar is a hollow columnar structure.

[0033] Further, a plurality of groups of storage batteries are fixedly installed in the inside of the battery box 103, and the left side of the storage battery extends out of the battery box 103, and the storage battery is electrically connected with the water pump 205, the air pump 201 and the motor 301 through the wires.

[0034] Working principle: after the device is assembled and checked, the clean water is poured into the liquid storage tank 2, and the appropriate amount of cleaning agent is poured into the liquid storage tank, the liquid storage tank with the cleaning agent in the inside is installed on the top of the valve on the top of the spray pipe 204, the device is pushed to move to the wellhead position to be cleaned, the pipeline and valve of the wellhead to be cleaned are located at the central position of the two brush rollers 302, the motor 301 is powered to drive the two brush rollers 302 to rotate at a constant speed, the brush bar is in contact with the pipeline and valve, and the water pump 205 pumps the clean water out of the liquid storage tank 2, the clean water is sprayed out by the spray pipe 204, and the cleaning agent in the inside of the liquid storage tank enters the spray pipe 204 to mix with the clean water, the clean water with the cleaning agent is sprayed to the surface of the pipeline and valve, so that the device automatically washes and brushes the pipeline and valve, after the dirt on the surface of the pipeline and valve is cleaned, the valve at the bottom of the liquid storage tank is closed, and the motor 301 stops rotating, the pipeline and valve are washed with clean water, the water pump 205 is closed, the high-pressure air is pumped into the air guide box 202 by the air pump 201, and the pipeline and valve are dried by the high-pressure air in a surrounding manner, and the cleaning of the oilfield wellhead pipeline and valve is completed.

[0035] The above specific embodiments are only several preferred embodiments of the utility model, and based on the technical scheme of the utility model and the related inspiration of the above embodiments, the person skilled in the art can make various alternative improvements and combinations on the above specific embodiments.

Claims

1. A wellhead cleaning device for oilfield water injection, comprising a vehicle frame (1), a liquid storage tank (2) and a fixing frame (3), characterized in that: The frame (1) is a U-shaped structure, and four groups of rollers (104) are installed on the outer side of the frame (1) through a pin shaft, and a battery box (103) is fixedly installed on the top left side of the frame (1); The top right side of the battery box (103) is fixedly installed with a liquid storage tank (2), and the top of the liquid storage tank (2) is designed as an open type, the top right side of the liquid storage tank (2) is fixedly installed with a mounting bracket (203), the top of the mounting bracket (203) is fixedly installed with a water pump (205), the top of the mounting bracket (203) is fixedly installed with an air pump (201) on the front of the water pump (205), the right side of the mounting bracket (203) is fixedly installed with a spray pipe (204), the left side of the spray pipe (204) is connected with the water pump (205) through a conduit, and the top of the spray pipe (204) is fixedly installed with a liquid injection tank (206) through a water valve, and a plurality of water injection holes are formed in the right side of the spray pipe (204). The top of the frame (1) is fixedly installed with a fixing bracket (3) on the right side of the liquid storage tank (2), the fixing bracket (3) is a vertically placed U-shaped structure, the inner side of the fixing bracket (3) is fixedly installed with an electric motor (301), and the output shaft of the electric motor (301) is fixedly installed with a brush roller (302) at the bottom.

2. The wellhead cleaning device for oilfield water injection of claim 1, characterized in that: The top left side of the battery box (103) is fixedly installed with a mounting plate (102), and the left side of the mounting plate (102) is fixedly installed with two groups of handles (101).

3. The wellhead cleaning device for oilfield water injection of claim 1, wherein: The left side of the water pump (205) is fixedly installed with a bend pipe, and the bend pipe extends into the inside of the liquid storage tank (2), and the bottom end of the bend pipe is provided with a distance of three to five centimeters from the bottom of the inside of the liquid storage tank (2).

4. The wellhead cleaning device for oilfield water injection of claim 1, wherein: The right side of the liquid storage tank (2) is fixedly installed with two groups of air guide boxes (202) below the spray pipe (204), and the air guide boxes (202) are connected with the air pump (201) through a conduit.

5. The wellhead cleaning device for oilfield water injection of claim 1, wherein: The brush roller (302) is connected with the fixing bracket (3) through a bearing, and a plurality of brush strips with spiral grooves on the surface are installed on the outer side of the brush roller (302), and the brush strip is a hollow columnar structure.

6. The wellhead cleaning device for oilfield water injection of claim 1, wherein: A plurality of groups of storage batteries are fixedly installed in the inside of the battery box (103), and the left side of the storage battery extends out of the battery box (103), and the storage battery is electrically connected with the water pump (205), the air pump (201) and the electric motor (301) through a lead wire.

Images