CN210152625U

CN210152625U - Gas production well head foaming agent puts in device

Info

Publication number: CN210152625U
Application number: CN201920868916.7U
Authority: CN
Inventors: 宋鑫; 齐丽萍; 冯剑; 贺家辉; 刘盼盼
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-03-17
Anticipated expiration: 2029-06-11

Abstract

The utility model relates to a gas production well head foamant input device, including device body and installation shell, the inside of device body is provided with the slip chamber, the left end of device body is equipped with the installation shell admittedly, the internally mounted of installation shell has the cylinder, the inside of cylinder is provided with the telescopic link, telescopic link and sliding block fixed connection, the inside material groove of having seted up of sliding block, the upper end of device body is provided with the material case, material case and slip chamber intercommunication, the top central point of device body puts and has seted up the atmospheric pressure chamber, atmospheric pressure chamber intercommunication air pump, be provided with the second barometer on the atmospheric pressure chamber, be provided with first barometer on the device body of slip chamber below. The sliding block is driven to slide by the cylinder, so that manual operation is avoided, and automatic feeding is realized. The sliding block slides and can accomplish and throw the material, throws the material fast. The utility model discloses the advantage: simple structure, automatic feeding, high feeding efficiency and convenient implementation and popularization.

Description

Gas production well head foaming agent puts in device

Technical Field

The utility model relates to an oil field equipment technical field, concretely relates to gas production well head foamant input device.

Background

In the process of oil and gas field development, foam drainage is a commonly used oil and gas field production increasing technology, wherein a certain number of foam rods are regularly put into a shaft, the foam rods are dissolved with water and foamed under the stirring of natural gas flow, and foam liquid drops are easily carried out of a well mouth along with the gas flow to help a low-yield low-efficiency well, particularly a water outlet well, improve the liquid carrying production capacity of the low-yield low-efficiency well and maintain normal production. At present, the foam rod is put in two ways: the first method comprises the following steps: putting the foam rod in a shut-in state, and putting the foam rod downwards by utilizing gaps among the oil (oil) gas tree valves through sequentially opening and closing the oil (oil) gas tree valves; and the second method comprises the following steps: the blowout prevention pipe is adopted to receive the blowout control pipe above the well mouth, and the blowout prevention pipe is used for containing the foam rod to be thrown, so that the throwing amount at each time can be increased.

Chinese patent (publication No. CN 207795201U, publication No. 2018.08.31) discloses a wellhead medicament delivery device, the bottom end of which is connected with a christmas tree or a gas production tree, comprising: the piston is sealed and can slide with the inner wall of the shell, and the cartridge is connected with the bottom end of the piston; the cartridge is provided with a control valve for controlling the opening or closing of a throwing hole on the cartridge; and drive arrangement, drive arrangement are used for driving the piston and slide towards the bottom of casing to make the pressure increase in the casing to production tree or the oil pressure of gas production tree, the utility model provides a device is put in to well head medicament has solved when current foam stick is put in the volume of putting and put in the in-process area and press the sprint and the technical problem who easily destroys production (oil) gas tree valve seal nature. But this equipment structure is complicated, troublesome poeration, and single input volume is less, is unfavorable for popularizing and implementing.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at overcomes at least one kind defect among the prior art, provides a gas production well head foamer and puts in device.

In order to realize the technical scheme, the utility model discloses a following technical scheme:

a foaming agent throwing device for a gas production wellhead comprises a device body and an installation shell. The inside of device body is provided with the slip chamber. The left end of the device body is fixedly provided with an installation shell, and the installation shell is communicated with the sliding cavity. The internally mounted of installation shell has the cylinder, and the inside of cylinder is provided with the telescopic link, telescopic link and sliding block fixed connection. The sliding block is placed in the sliding cavity, and the sliding block can slide left and right in the sliding cavity. Under the drive of cylinder, the telescopic link is flexible to make the sliding block slide from side to side in the sliding chamber inside. The inside of sliding block is seted up the material groove.

The left side of the upper end of the device body is provided with a material box, and a foaming agent raw material is contained in the material box. The material box is communicated with the sliding cavity. When the sliding block slides leftwards, the material box is communicated with the material groove, and the foaming agent in the material box enters the material groove. The sliding block slides rightwards, and the foaming agent in the material groove falls into the bottom of the device body and enters a wellhead. The top center position of the device body is provided with an air pressure cavity, the air pressure cavity is communicated with an air pump, the air pump pumps air into the air pressure cavity, the air pressure cavity is provided with a second air pressure gauge, and the second air pressure gauge can measure the air pressure in the air pressure cavity. Be provided with first barometer on the device body of sliding chamber below, pressure in the well can be detected to first barometer.

As a further aspect of the present invention: the installation shell and the device body are fixedly connected through the detachable flange, and the flange is convenient to install and maintain.

As a further aspect of the present invention: the left end of the sliding cavity is fixedly provided with the guide sleeve, the telescopic rod is nested in the guide sleeve, the telescopic rod is telescopic smoothly due to the arrangement of the guide sleeve, and the telescopic rod is prevented from shaking.

As a further aspect of the present invention: the right-hand member in installation shell and slip chamber all is provided with discharge valve, and discharge valve's setting is avoided the air to increase sliding block sliding resistance, makes the sliding block slide smoothly.

As a further aspect of the present invention: the right-hand member of device body has set firmly the installation shell equally, and the internally mounted of installation shell has the cylinder, and the inside of cylinder is provided with the telescopic link, and telescopic link fixed connection is at the sliding block right-hand member. Under the drive of cylinder, the telescopic link is flexible to make the sliding block at the inside horizontal slip of sliding chamber, make the slip of sliding block more smooth and easy.

As a further aspect of the present invention: the right side of the upper end of the device body is also provided with a material box which is communicated with the sliding cavity. The sliding block is internally and symmetrically provided with two material grooves, so that the feeding speed is increased, and the production efficiency is improved.

Compared with the prior art, the beneficial effects of the utility model are that: the sliding block is driven to slide by the cylinder, so that manual operation is avoided, and automatic feeding is realized. The sliding block slides left and right to complete feeding, and feeding speed and efficiency are high. The arrangement of the air pressure cavity avoids unsmooth feeding caused by high pressure at a wellhead, and the feeding quality is improved. The setting of discharge valve avoids the air to increase sliding block sliding resistance, makes the sliding block slide smoothly. The utility model discloses the advantage: simple structure, automatic feeding, high feeding efficiency and convenient implementation and popularization.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is the utility model relates to a gas production well head foamer input device embodiment 1's schematic structure diagram.

Fig. 2 is a schematic structural diagram of a foam agent feeding device of a gas production wellhead in embodiment 2.

Fig. 3 is a schematic structural diagram of a sliding block in a foaming agent feeding device of a gas production wellhead.

In the figure, a first barometer 1, a device body 2, a sliding cavity 3, an exhaust valve 4, an air pump 5, an air pressure cavity 6, a second barometer 7, a material box 8, a flange 9, an installation shell 10, an air cylinder 11, an expansion link 12, a guide sleeve 13, a sliding block 14 and a material groove 15.

Detailed Description

In order to clearly understand the technical features, objects and effects of the present invention, the present invention will now be described with reference to the accompanying drawings.

Example 1

Referring to fig. 1, a foam agent dispensing device for a gas production wellhead comprises a device body 2 and a mounting shell 10. The inside of the apparatus body 2 is provided with a slide chamber 3. The left end of device body 2 is equipped with installation shell 10 admittedly, and installation shell 10 passes through flange 9 detachable fixed connection with device body 2, and flange 9 sets up installation and maintenance that makes things convenient for the device. The mounting case 10 communicates with the slide chamber 3. The inside of installation shell 10 installs cylinder 11, and the inside of cylinder 11 is provided with telescopic link 12, and telescopic link 12 and sliding block 14 fixed connection. Sliding block 14 is placed inside sliding chamber 3, and sliding block 14 can slide left and right inside sliding chamber 3. Under the driving of the cylinder 11, the telescopic rod 12 extends and retracts, so that the sliding block 14 slides left and right in the sliding cavity 3. The left end of the sliding cavity 3 is fixedly provided with a guide sleeve 13, the telescopic rod 12 is embedded in the guide sleeve 13, the telescopic rod 12 is telescopic smoothly due to the arrangement of the guide sleeve 13, and the rocking of the telescopic rod 12 is avoided. The right-hand member in installation shell 10 and sliding chamber 3 all is provided with discharge valve 4, and discharge valve 4's setting is avoided the air to increase sliding block 14 sliding resistance, makes sliding block 14 slide smoothly. The inside of sliding block 14 is seted up material groove 15.

The left side of the upper end of the device body 2 is provided with a material box 8, and a foaming agent raw material is contained in the material box 8. The material tank 8 is communicated with the sliding cavity 3. When the sliding block 14 slides leftwards, the material tank 8 is communicated with the material groove 15, and the foaming agent in the material tank 8 enters the material groove 15. The sliding block 14 slides rightwards, and the foaming agent in the material groove 15 falls into the bottom of the device body 2 and enters a wellhead. The center position of the top end of the device body 2 is provided with an air pressure cavity 6, the air pressure cavity 6 is communicated with an air pump 5, air is pumped into the air pressure cavity 6 by the air pump 5, a second air pressure gauge 7 is arranged on the air pressure cavity 6, and the air pressure inside the air pressure cavity 6 can be measured by the second air pressure gauge 7. A first air pressure gauge 1 is arranged on the device body 2 below the sliding cavity 3, and the first air pressure gauge 1 can detect the pressure in a well.

The utility model discloses a theory of operation is: the foaming agent is placed inside the material tank 8. And starting the air pump 5, pumping air into the air pressure cavity 6 by the air pump 5, and enabling the pressure measured by the second barometer 7 to be equal to the pressure measured by the first barometer 1. The cylinder 11 is started, and the telescopic rod 12 extends and retracts under the driving of the cylinder 11, so that the sliding block 14 slides left and right in the sliding cavity 3. When the sliding block 14 slides leftwards, the material tank 8 is communicated with the material groove 15, and the foaming agent in the material tank 8 enters the material groove 15. The sliding block 14 slides rightwards, and the foaming agent in the material groove 15 falls into the bottom of the device body 2 and enters a wellhead. The foam agent is repeatedly dosed in this manner.

Example 2

Referring to fig. 2-3, on the basis of embodiment 1, the right end of the device body 2 is also fixedly provided with an installation shell 10, an air cylinder 11 is installed inside the installation shell 10, an expansion link 12 is installed inside the air cylinder 11, and the expansion link 12 is fixedly connected to the right end of the sliding block 14. Under the drive of the cylinder 11, the telescopic rod 12 stretches and retracts, so that the sliding block 14 slides left and right in the sliding cavity 3, and the sliding of the sliding block 14 is smoother. The right side of the upper end of the device body 2 is also provided with a material box 8, and the material box 8 is communicated with the sliding cavity 3. Two material grooves 15 are symmetrically arranged in the sliding block 14, so that the feeding speed is increased, and the production efficiency is improved.

The above-mentioned embodiments only represent the preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, modifications and substitutions can be made, which are all within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A foaming agent feeding device for a gas production wellhead comprises a device body (2) and an installation shell (10), wherein a sliding cavity (3) is arranged inside the device body (2), the installation shell (10) is fixedly arranged at the left end of the device body (2), the installation shell (10) is communicated with the sliding cavity (3), an air cylinder (11) is arranged inside the installation shell (10), an expansion rod (12) is arranged inside the air cylinder (11), the foaming agent feeding device is characterized in that the expansion rod (12) is fixedly connected with a sliding block (14), the sliding block (14) is placed inside the sliding cavity (3), a material groove (15) is formed inside the sliding block (14), a material box (8) is arranged on the left side of the upper end of the device body (2), the material box (8) is communicated with the sliding cavity (3), an air pressure cavity (6) is formed in the center position of the top end of the device body (2), and the air pump (5) is, a second barometer (7) is arranged on the barometer cavity (6), and a first barometer (1) is arranged on the device body (2) below the sliding cavity (3).

2. A gas production wellhead foaming agent dispensing device according to claim 1, characterized in that the mounting housing (10) is detachably and fixedly connected with the device body (2) by a flange (9).

3. The foaming agent releasing device for the gas production wellhead according to claim 1, characterized in that a guide sleeve (13) is fixedly arranged at the left end of the sliding cavity (3), and the telescopic rod (12) is nested inside the guide sleeve (13).

4. A foaming agent dispensing device at a gas production wellhead as claimed in claim 1, characterized in that the right ends of the mounting shell (10) and the sliding cavity (3) are provided with exhaust valves (4).

5. A gas production wellhead foaming agent feeding device according to any one of claims 1-3, characterized in that the right end of the device body (2) is also fixedly provided with a mounting shell (10), a cylinder (11) is arranged inside the mounting shell (10), a telescopic rod (12) is arranged inside the cylinder (11), and the telescopic rod (12) is fixedly connected to the right end of the sliding block (14).

6. A foaming agent feeding device for a gas production wellhead according to claim 5, characterized in that a material tank (8) is also arranged on the right side of the upper end of the device body (2), and the material tank (8) is communicated with the sliding cavity (3).