CN210798939U

CN210798939U - Oil field horizontal well charge device

Info

Publication number: CN210798939U
Application number: CN201921953334.5U
Authority: CN
Inventors: 杨辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-06-19
Anticipated expiration: 2029-11-13

Abstract

The utility model discloses an oil field horizontal well charge device, including the chemical tank, the left side intercommunication of chemical tank has the medicament to advance the pencil, the bottom intercommunication of chemical tank has the medicament filling pipe, the fixed surface of medicament filling pipe is connected with the cover gas collecting channel that pressurizes. Open the motor, the output shaft of motor drives the rotation threaded rod and rotates, the rotation threaded rod drives the slip screwed pipe and slides downwards, the slip screwed pipe promotes to push down the push pedal and slides downwards, the air increase gas pressure of compression pressurization case and medicament case inner chamber, make the atmospheric pressure of medicament case inner chamber be greater than cover pressure gas pressure, the medicament can be fast smooth add between sleeve pipe and the oil pipe through the medicament filling pipe, the cover pressure gas of gushing out is covered by cover pressure gas collecting channel simultaneously, carry the inner chamber to the medicament case through cover pressure gas breather pipe, smoothness when the medicament is filled has been improved greatly, can effectively avoid the easy blowout situation once more of medicament in the sleeve, the waste of medicament has been reduced.

Description

Oil field horizontal well charge device

Technical Field

The utility model relates to an oil well adds medicine technical field, specifically is an oil field horizontal well charge device.

Background

The horizontal well is drilled in a vertical or inclined way to reach an oil layer, and then a drilling tool drills along a direction parallel to the oil layer to form a horizontal shaft in the oil layer, so that the drilling in the oil layer of a long well section is guaranteed until well completion. The traditional oil well usually vertically or obliquely passes through an oil layer, so that the well section in the oil layer is usually short, the oil extraction efficiency is low, the horizontal well oil extraction process obviously improves the production capacity compared with the traditional oil well through the longer well section passing through the oil layer, and the horizontal well oil extraction process is widely applied to oil field extraction in recent years. The horizontal well oil extraction process is a comprehensive oil field exploitation technology, and for different types of oil reservoirs, corresponding matching technologies need to be configured to facilitate exploration and development of oil fields, so that the quality and the efficiency of horizontal well oil extraction are greatly improved. However, when the horizontal well is actually produced, wax is easily deposited on an oil pipe and a casing pipe, and further production reduction of the oil well or wellbore failure can be caused. In order to reduce wax deposition of the oil well and reduce the viscosity of crude oil, the main measures adopted are to regularly add corresponding chemical agents into an oil well casing so as to ensure normal production of the oil well and prolong the pump reduction period.

The existing oil well dosing mode is generally manual dosing, in the dosing process, sleeving air is easily formed between a sleeve of a horizontal well and an oil pipe, so that the chemicals are difficult to be added between the sleeve and the oil pipe by self gravity under the normal pressure state, the chemicals added into the sleeve are easily sprayed out again, a large amount of chemicals are wasted, the chemicals are easily harmed to dosing personnel, and therefore the oil field horizontal well dosing device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil field horizontal well charge device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a chemical feeding device for an oil field horizontal well comprises a chemical box, wherein the left side of the chemical box is communicated with a chemical feeding pipe, the bottom of the chemical box is communicated with a chemical filling pipe, the surface of the chemical filling pipe is fixedly connected with a sleeved gas collecting hood, the left side of the top of the sleeved gas collecting hood is communicated with a sleeved gas ventilating pipe, the top of the chemical box is communicated with a gas communicating pipe, the top of the chemical box is fixedly connected with a pressurizing box, the pressurizing box is communicated with the chemical box through the gas communicating pipe, the top of the pressurizing box is fixedly connected with a motor fixing support, the center of the bottom of the motor fixing support is fixedly connected with a motor fixing box, the inner cavity of the motor fixing box is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating threaded rod, the inner cavity of the pressurizing box is penetrated by a sliding threaded pipe, and the bottom of the sliding threaded pipe is fixedly connected with a pressing push plate, and the left side of the front surface of the pressurizing box is fixedly connected with a switch.

As further preferable in the present technical solution: the bottom of the surface of the casing pressure gas-collecting hood is fixedly connected with an oil pipe butt-joint plate.

As further preferable in the present technical solution: the sliding threaded pipe is connected with the pressurizing box in a sliding mode, a sealing ring is sleeved on the surface of the pressurizing box, and the top of the sealing ring is fixedly connected with the pressurizing box.

As further preferable in the present technical solution: the equal fixedly connected with of both sides of push pedal pushes down sealed piece, the one side that the push pedal was kept away from to sealed piece closely contacts with the inner wall of pressurized box.

As further preferable in the present technical solution: the inner cavity of the sliding threaded pipe is provided with a threaded groove, the bottom end of the rotating threaded rod penetrates through the inner cavity of the threaded groove, and the rotating threaded rod is in threaded connection with the threaded groove.

As further preferable in the present technical solution: the top of the sleeve pressure air vent pipe penetrates through the inner cavity of the chemical box and extends to the top of the inner cavity of the chemical box, the surface of the sleeve pressure air vent pipe is fixedly connected with a fixing ring, and the fixing ring is fixedly connected with the chemical box.

As further preferable in the present technical solution: and the electrical input end of the motor is electrically connected with the electrical output end of the switch.

Compared with the prior art, the beneficial effects of the utility model are that: butt joint oil pipe butt joint board and sleeve pipe, it is sealed, then open the motor, the output shaft of motor drives the rotation threaded rod and rotates, the rotation threaded rod drives the slip screwed pipe cunning downwards when rotating, the slip screwed pipe promotes to push down the push pedal cunning downwards, the air of compression pressurization case and medicament case inner chamber increases gaseous pressure, make the atmospheric pressure of medicament case inner chamber be greater than cover pressure gas pressure, the medicament can be fast smooth add between sleeve pipe and oil pipe through the medicament filling pipe, the cover pressure gas that gushes out simultaneously is covered by cover pressure gas collecting channel, carry the inner chamber to the medicament case through cover pressure gas breather pipe, smoothness when having improved the medicament greatly, can effectively avoid the easy blowout situation once more of medicament in the sleeve pipe, the waste of medicament has been reduced.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic sectional structure view of the chemical box of the present invention;

FIG. 3 is a schematic sectional view of the pressurizing box of the present invention;

fig. 4 is a schematic sectional view of the sliding threaded pipe of the present invention.

In the figure: 1. a kit; 2. sleeving the pressure gas collecting hood; 3. an oil pipe butt plate; 4. a medicament filling pipe; 5. a sleeve pressure air vent pipe; 6. a medicament inlet tube; 7. a motor fixing bracket; 8. a thread groove; 9. rotating the threaded rod; 10. sliding the threaded pipe; 11. a pressurizing box; 12. a gas communicating pipe; 13. a fixing ring; 14. a motor; 15. a motor fixing box; 16. a seal ring; 17. pressing the push plate downwards; 18. a sealing block; 19. and (4) switching.

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.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: a chemical adding device for an oil field horizontal well comprises a chemical box 1, a chemical feeding pipe 6 is communicated with the left side of the chemical box 1, a chemical filling pipe 4 is communicated with the bottom of the chemical box 1, a casing gas collecting hood 2 is fixedly connected with the surface of the chemical filling pipe 4, a casing gas vent pipe 5 is communicated with the left side of the top of the casing gas collecting hood 2, a gas communicating pipe 12 is communicated with the top of the chemical box 1, a pressurizing box 11 is fixedly connected with the top of the chemical box 1, the pressurizing box 11 is communicated with the chemical box 1 through a gas communicating pipe 12, a motor fixing support 7 is fixedly connected with the top of the pressurizing box 11, a motor fixing box 15 is fixedly connected with the center of the bottom of the motor fixing support 7, a motor 14 is fixedly connected with the inner cavity of the motor fixing box 15, a rotating threaded rod 9 is fixedly connected with the output end of the motor 14, a sliding threaded pipe 10 penetrates through the inner cavity of the pressurizing box 11, a pushing plate 17 is, a switch 19 is fixedly connected to the left side of the front surface of the pressurizing tank 11.

In this embodiment, specifically: the bottom fixedly connected with oil pipe buttcover plate 3 on the surface of cover pressure gas collecting channel 2 through above setting, can improve the convenience that the device is connected with oil pipe.

In this embodiment, specifically: the sliding threaded pipe 10 is connected with the pressure tank 11 in a sliding mode, the sealing ring 16 is sleeved on the surface of the pressure tank 11, the top of the sealing ring 16 is fixedly connected with the pressure tank 11, and through the arrangement, the sealing ring 16 can improve the sealing performance of the inner cavity of the pressure tank 11.

In this embodiment, specifically: the equal fixedly connected with of both sides of push pedal 17 seals piece 18 down, and one side that push pedal 17 was kept away from to sealed piece 18 and the inner wall in close contact with of pressurized box 11 down, through above setting, seals piece 18 and can reduce the gap between push pedal 17 and the pressurized box 11 down greatly, makes the pressurization process more stable, lasting.

In this embodiment, specifically: the inner cavity of the sliding threaded pipe 10 is provided with a threaded groove 8, the bottom end of the rotating threaded rod 9 penetrates through the inner cavity of the threaded groove 8, and the rotating threaded rod 9 is in threaded connection with the threaded groove 8.

In this embodiment, specifically: the top of casing pressure gas breather pipe 5 runs through to the inner chamber of medicament case 1 and extends to the top of medicament case 1 inner chamber, and casing pressure gas breather pipe 5's fixed surface is connected with solid fixed ring 13, gu fixed ring 13 and medicament case 1 fixed connection, through above setting, can avoid the medicament blowout that overflows in the oil pipe, can concentrate the casing pressure gas that overflows in the oil pipe simultaneously and carry to the inner chamber of medicament case 1.

In this embodiment, specifically: an electrical input terminal of the motor 14 is electrically connected to an electrical output terminal of the switch 19.

In this embodiment, specifically: the motor 14 is model number Y160L-2.

Working principle or structural principle, when in use, the medicament is added into the inner cavity of the medicament box 1 through the medicament inlet pipe 6, then the medicament inlet pipe 6 is closed, then the oil pipe butt joint plate 3 is in butt joint with the sleeve and the oil pipe for sealing, then the motor 14 is started, the output shaft of the motor 14 drives the rotary threaded rod 9 to rotate, the rotary threaded rod 9 drives the sliding threaded pipe 10 to slide downwards while rotating, the sliding threaded pipe 10 pushes the downward pushing plate 17 to slide downwards, when the downward pushing plate 17 slides downwards, the bottom space is reduced, thereby achieving the purpose of compressing the air in the inner cavities of the pressurizing box 11 and the medicament box 1, further improving the pressure intensity of the inner cavities of the pressurizing box 11 and the medicament box 1, when the air pressure in the inner cavity of the medicament box 1 is greater than the pressure intensity of the sleeve air, the medicament can be rapidly and smoothly added between the sleeve and the oil pipe through the medicament pipe 4, and the gushed sleeve air is covered by the sleeve pressure air collecting hood 2, carry to the inner chamber of medicament case 1 through cover breather pipe 5 that calms the anger, the smoothness nature when having improved the medicament filling greatly can effectively avoid the easy spun situation once more of medicament in the cover, has reduced the waste of medicament.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an oil field horizontal well charge device, includes chemical tank (1), its characterized in that: the left side of the chemical box (1) is communicated with a chemical inlet pipe (6), the bottom of the chemical box (1) is communicated with a chemical filling pipe (4), the surface of the chemical filling pipe (4) is fixedly connected with an air-compressing gas collecting hood (2), the left side of the top of the air-compressing gas collecting hood (2) is communicated with an air-compressing gas vent pipe (5), the top of the chemical box (1) is communicated with a gas communicating pipe (12), the top of the chemical box (1) is fixedly connected with a pressurizing box (11), the pressurizing box (11) is communicated with the chemical box (1) through the gas communicating pipe (12), the top of the pressurizing box (11) is fixedly connected with a motor fixing support (7), the center of the bottom of the motor fixing support (7) is fixedly connected with a motor fixing box (15), and the inner cavity of the motor fixing box (15) is fixedly connected with a motor (14), the output end fixedly connected with of motor (14) rotates threaded rod (9), the inner chamber of pressurization case (11) runs through has slip screwed pipe (10), the bottom fixedly connected with of slip screwed pipe (10) pushes down push pedal (17), the left side fixedly connected with switch (19) on pressurization case (11) positive surface.

2. The dosing device for the horizontal well of the oil field according to claim 1, wherein: the bottom of the surface of the sleeved air gas-collecting hood (2) is fixedly connected with an oil pipe butt-joint plate (3).

3. The dosing device for the horizontal well of the oil field according to claim 1, wherein: the sliding threaded pipe (10) is in sliding connection with the pressurizing box (11), a sealing ring (16) is sleeved on the surface of the pressurizing box (11), and the top of the sealing ring (16) is fixedly connected with the pressurizing box (11).

4. The dosing device for the horizontal well of the oil field according to claim 1, wherein: the two sides of the downward pressing push plate (17) are fixedly connected with sealing blocks (18), and one side, far away from the downward pressing push plate (17), of each sealing block (18) is in close contact with the inner wall of the pressurizing box (11).

5. The dosing device for the horizontal well of the oil field according to claim 1, wherein: thread groove (8) have been seted up to the inner chamber of slip screwed pipe (10), the bottom of rotating threaded rod (9) is run through to the inner chamber of thread groove (8), rotate threaded rod (9) and thread groove (8) threaded connection.

6. The dosing device for the horizontal well of the oil field according to claim 1, wherein: the top of cover pressure gas breather pipe (5) runs through to the inner chamber of medicine case (1) and extends to the top of medicine case (1) inner chamber, the fixed surface of cover pressure gas breather pipe (5) is connected with solid fixed ring (13), gu fixed ring (13) and medicine case (1) fixed connection.

7. The dosing device for the horizontal well of the oil field according to claim 1, wherein: the electrical input end of the motor (14) is electrically connected with the electrical output end of the switch (19).