CN217999562U

CN217999562U - Pressure self-balancing oil well wellhead chemical feeding device

Info

Publication number: CN217999562U
Application number: CN202221713716.2U
Authority: CN
Inventors: 王全柱; 王如德; 梁凤会; 庄建平
Original assignee: Shandong Yidiantong Iot Technology Co ltd
Current assignee: Shandong Yidiantong Iot Technology Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-12-09
Anticipated expiration: 2032-06-28

Abstract

The utility model discloses a pressure self-balancing oil well head charge device, including keeping in the jar, continuing medicine fill, balance pipe, medicine guide pipe and flowmeter, the top of jar is kept in to the bottom intercommunication that continues medicine fill, the bottom of jar is kept in to the tip intercommunication of medicine guide pipe, the bottom intercommunication medicine guide pipe of balance pipe, the other end of jar is kept in to the other end intercommunication of balance pipe, the flowmeter is located on the medicine guide pipe, be equipped with the relief valve on the balance pipe, it prevents deposiing the subassembly to be equipped with on the jar to keep in. The utility model belongs to the technical field of the oil well sleeve pipe adds the medicine, specifically indicate a pressure self-balancing oil well head charge device.

Description

Pressure self-balancing oil well wellhead chemical feeding device

Technical Field

The utility model belongs to the technical field of the oil well sleeve pipe adds the medicine, specifically indicate a pressure self-balancing oil well head charge device.

Background

In the process of oil and gas development, in order to remove paraffin in a shaft, reduce liquid viscosity and improve the efficiency of exploitation operation, chemical agents such as paraffin removal agents and viscosity reducers are generally required to be injected into annular spaces between an oil pipe and a sleeve, but before adding the chemical agents, the pressure in the sleeve is high, the chemical agents cannot be added, so that the chemical agents can be added only by releasing gas in the sleeve to normal pressure, the working efficiency is influenced in the process, and in addition, the chemical agents are stored for a long time and can be precipitated, and the effect of the chemical agents is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the difficult problem, the utility model provides a pressure self-balancing oil well wellhead charge device.

In order to realize the above functions, the utility model discloses the technical scheme who takes as follows: the utility model provides a pressure self-balancing oil well head charge device, includes the jar of keeping in, continues medicine fill, balance tube, drug guide tube and flowmeter, the top of jar is kept in to the bottom intercommunication that continues medicine fill, the bottom of the jar is kept in to the tip intercommunication of drug guide tube, the drug guide tube is led in to the bottom intercommunication of balance tube, the other end intercommunication of balance tube keeps in the other end of jar, the flowmeter is located on the drug guide tube, be equipped with the relief valve on the balance tube, it prevents the sediment subassembly to keep in to be equipped with on the jar, through leading the pencil cover and fixing on the sleeve pipe of oil well, the intraductal gas of cover gets into jar and balance tube of keeping in through the pencil, and when the atmospheric pressure of jar roof was less than the interior atmospheric pressure of sleeve pipe temporary storage, the interior medicament of jar of keeping in can's unable through pencil discharge, and the interior roof of jar was kept in through the balance tube entering jar this moment, and to the medicament pressure application pressure in it, when the atmospheric pressure of jar of keeping in is higher than the atmospheric pressure in the sleeve pipe, the balance tube accessible lead the pressure to increase in the sleeve pipe under self, then automatic pressure when the pressure of pressure in the sleeve pipe.

Furthermore, the bottom of the medicine feeding hopper is provided with a first valve, the medicine guide pipe is provided with a second valve, the bottom end of the balance pipe is arranged between the flowmeter and the second valve, the first valve is opened to close the second valve when medicine is fed into the temporary storage tank, and the first valve is closed and the second valve is opened when medicine is fed into the oil well casing pipe.

Further, prevent deposiing the subassembly and include driving motor and screw, driving motor locates the roof of the jar of keeping in, the rotatory inner diapire of locating the jar of keeping in the bottom of screw, the top of screw is rotatory to be run through the top of the jar of keeping in and to be connected in driving motor's output, be connected through rotary seal spare between screw and the jar of keeping in, through starting driving motor, it is rotatory to order about the screw, can stir the medicament in the jar of keeping in, avoids deposiing.

Preferably, the lateral wall of the temporary storage tank is provided with a liquid level meter, and the liquid level meter is convenient for checking the medicament amount in the temporary storage tank so as to be convenient for timely medicament preparation.

Preferably, the roof of the temporary storage tank is provided with a pressure gauge, and the pressure gauge can check the pressure in the temporary storage tank so as to open the first valve to assist in exhausting.

The utility model adopts the above structure to gain beneficial effect as follows: the utility model provides a pair of pressure self-balancing oil well head charge device easy operation, compact structure, and reasonable design, when adding medicine to the oil well sleeve pipe, through leading the explosive tube cover on the oil well sleeve pipe and fixing, close valve one, open valve two, the intraductal gas of oil well sleeve pipe passes through the explosive tube and gets into jar and balance pipe of keeping in, when the atmospheric pressure of jar roof of keeping in is less than the sleeve pipe internal gas pressure, the jar of keeping in medicament can't discharge through the explosive tube, the intraductal gas of oil well sleeve pipe gets into the interior roof of jar of keeping in through balance pipe this moment, exert pressure to the medicament in it, when the atmospheric pressure of jar of keeping in is higher than the atmospheric pressure in the oil well sleeve pipe, the pressure increases in the balance pipe, then automatic pressure release, and simultaneously, the relief valve in the jar of keeping in can be looked over to the manometer, so that open valve one assists the exhaust, when the intraductal pressure of oil well sleeve pipe is balanced with the pressure of keeping in the jar, then the medicament is accessible explosive tube input to the oil well sleeve pipe under self gravity, be convenient for looking over the medicament volume of jar of keeping in order to keep in, in time, in order to open the continuous medicine, open the propeller, the valve, it drives the propeller to drive in addition, the propeller to drive the motor, can carry out the rotation.

Drawings

FIG. 1 is a schematic view of the overall structure of a pressure self-balancing oil well wellhead chemical adding device provided by the utility model;

fig. 2 is the utility model provides a pressure self-balancing oil well wellhead charge device's inner structure schematic diagram.

The device comprises a temporary storage tank 1, a temporary storage tank 2, a medicine feeding hopper 3, a balance pipe 4, a medicine guide pipe 5, a flow meter 6, a pressure release valve 7, an anti-precipitation assembly 8, a first valve 9, a second valve 10, a driving motor 11, a propeller 12, a rotary sealing element 13, a liquid level meter 14 and a pressure gauge.

Detailed Description

The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-2, the utility model provides a pressure self-balancing oil well head charge device, including keeping in jar 1, continuing medicine fill 2, balance tube 3, medicine guide tube 4 and flowmeter 5, the lateral wall of keeping in jar 1 is equipped with level gauge 13, the roof of keeping in jar 1 is equipped with manometer 14, the top of jar 1 is kept in to the bottom intercommunication that continues medicine fill 2, the bottom of jar 1 is kept in to the tip intercommunication of medicine guide tube 4, medicine guide tube 4 is led in the bottom intercommunication of balance tube 3, the other end of jar 1 is kept in to the other end intercommunication of balance tube 3, flowmeter 5 is located on medicine guide tube 4, be equipped with relief valve 6 on the balance tube 3, be equipped with on the jar 1 of keeping in and prevent precipitation assembly 7, the bottom of continuing medicine fill 2 is equipped with valve one 8, be equipped with valve two 9 on the medicine guide tube 4, the bottom of balance tube 3 is located between flowmeter 5 and the two 9 of valve.

Prevent deposiing subassembly 7 includes driving motor 10 and screw 11, driving motor 10 locates the roof of the jar 1 of keeping in, the rotatory interior diapire of the jar 1 of keeping in of locating in the bottom of screw 11, the rotatory top that runs through the jar 1 of keeping in of screw 11 just connects in driving motor 10's output, be equipped with rotary seal 12 and connect through rotary seal 12 between screw 11 and the jar 1 of keeping in.

When the device is used specifically, when adding medicine into an oil well casing, the device is fixed by sleeving the medicine guide pipe 4 on the oil well casing, the first valve 8 is closed, the second valve 9 is opened, gas in the oil well casing enters the temporary storage tank 1 and the balance pipe 3 through the medicine guide pipe 4, when the air pressure of the top wall of the temporary storage tank 1 is smaller than the air pressure in the oil well casing, the medicine in the temporary storage tank 1 cannot be discharged through the medicine guide pipe 4, at the moment, the gas in the oil well casing enters the inner top wall of the temporary storage tank 1 through the balance pipe 3, pressure is applied to the medicine in the temporary storage tank 1, when the air pressure of the temporary storage tank 1 is higher than the air pressure in the oil well casing, the pressure in the balance pipe 3 is increased, then 6 automatic pressure relief is realized, meanwhile, the pressure in the temporary storage tank 1 can be checked through the pressure relief valve 14, so as to open the first valve 8 for auxiliary exhaust, when the pressure in the oil well casing is balanced with the pressure in the temporary storage tank 1, then the medicine can be input into the medicine guide pipe 4 under self gravity into the medicine casing, the medicine can be checked through the liquidometer 13 so as to facilitate the continuous storage tank 1 for auxiliary exhaust, when the pressure in the temporary storage tank is opened, the first valve 1, the screw is closed, the second valve is closed, the propeller is closed, the second valve 9, the propeller is closed, the propeller 11, and the propeller is prevented from being rotated, and the propeller is prevented from being driven by the propeller, and can be driven by the propeller.

The present invention and its embodiments have been described above, but the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a pressure self-balancing oil well wellhead charge device which characterized in that: including the jar of keeping in, continue medicine fill, balance tube, medicine guide tube and flowmeter, the bottom intercommunication that continues the medicine fill keeps in the top of jar, the bottom of the jar is kept in to the tip intercommunication of medicine guide tube, the bottom intercommunication medicine guide tube of balance tube, the other end intercommunication of balance tube keeps in the other end of jar, the flowmeter is located on the medicine guide tube, be equipped with the relief valve on the balance tube, it prevents deposiing the subassembly to keep in to be equipped with on the jar.

2. The pressure self-balancing wellhead chemical dosing device of claim 1, wherein: the bottom of the medicine feeding hopper is provided with a first valve, the medicine guide pipe is provided with a second valve, and the bottom end of the balance pipe is arranged between the flowmeter and the second valve.

3. The pressure self-balancing wellhead chemical dosing device of claim 2, wherein: prevent deposiing the subassembly and include driving motor and screw, driving motor locates the roof of the jar of keeping in, the bottom rotation of screw locates the interior diapire of the jar of keeping in, the rotatory top that runs through the jar of keeping in of top of screw just connects in driving motor's output, be equipped with rotary seal spare and be connected through rotary seal spare between screw and the jar of keeping in.

4. The pressure self-balancing wellhead chemical dosing device of claim 3, wherein: and a liquid level meter is arranged on the side wall of the temporary storage tank.

5. The pressure self-balancing wellhead chemical dosing device of claim 4, wherein: the roof of jar of keeping in is equipped with the manometer.