CN219281720U

CN219281720U - Automatic control large-particle-size fracturing material adding device

Info

Publication number: CN219281720U
Application number: CN202320882118.6U
Authority: CN
Inventors: 王丽君; 何龙; 何知行
Original assignee: Sichuan Kongmo Energy Technology Co ltd
Current assignee: Sichuan Kongmo Energy Technology Co ltd
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-06-30
Anticipated expiration: 2033-04-19

Abstract

The utility model discloses an automatic control large-particle-size fracturing material adding device, which relates to the technical field of oil well fracturing operation, wherein a mixing pipe comprises an outer cylinder and an inner cylinder, and the length of the outer cylinder is longer than that of the inner cylinder; the inner cylinder is arranged in the outer cylinder, and the feeding end of the inner cylinder is connected with the feeding end of the outer cylinder through a connector; the ends of the two ends of the outer cylinder are respectively provided with a joint; the joint of the feeding end of the outer cylinder is communicated with the joint of the inner cylinder; a feed inlet is arranged above the end part of the outer wall of the outer cylinder, which is close to the feed end, and a discharge outlet is arranged below the end part of the outer wall of the outer cylinder, which is close to the discharge end. The inner cylinder and the outer cylinder are connected by adopting taper pipe threads through the connector, so that the disassembly and the cleaning are convenient; two mixing pipes are connected in parallel, so that more materials can be filled at one time, and uninterrupted feeding is realized without disconnecting the pipeline in the middle; the material mixing pipe is obliquely arranged on the bracket, and the liquid inlet end is higher than the liquid outlet end, so that the material can flow out naturally; the funnel connecting pipe is close to the highest position of the outer cylinder, and more materials can be added; the discharge hole is positioned at the lowest point, so that liquid discharge is facilitated.

Description

Automatic control large-particle-size fracturing material adding device

Technical Field

The utility model relates to the technical field of oil well fracturing operation, in particular to an automatic control large-particle-size fracturing material adding device.

Background

In the fracturing operation process of the oil and gas well, special fracturing materials with large grain sizes are often required to be added into the fracturing fluid in order to improve the fracturing transformation effect on the stratum. The addition of the large-particle-size fracturing material from the sand mixing vehicle is most convenient, but the large-particle-size fracturing material is extremely easy to cause the clamping of the fracturing vehicle pump, and professional reconstruction of the fracturing vehicle pump head is required. However, not all fracturing trucks are used for completing the pump head reconstruction of the fracturing truck, so that the conditions of extremely complicated operation and extremely low efficiency are often caused when large-particle-size fracturing materials are added for construction.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the automatic control large-particle-size fracturing material adding device so as to realize remote control of a feeding process, realize continuous feeding operation, shorten feeding time and improve operation efficiency.

In order to achieve the above object, the present utility model provides the following solutions:

the utility model provides an automatic control large-particle-size fracturing material adding device which comprises a mixing pipe, wherein the mixing pipe comprises an outer cylinder and an inner cylinder, and the length of the outer cylinder is longer than that of the inner cylinder; the inner cylinder is arranged in the outer cylinder, and the feeding end of the inner cylinder is connected with the feeding end of the outer cylinder; the ends of the two ends of the outer cylinder are respectively provided with a joint; the connector of the feeding end of the outer cylinder is communicated with the inner cylinder; a feed inlet is arranged above the end part, close to the feed end, on the outer wall of the outer cylinder, a discharge outlet is arranged below the end part, close to the discharge end, on the outer wall of the outer cylinder, and two ends of the outer cylinder are sleeved and buckled on the vertical rod of the bracket.

The function of the setting bracket is that: the feeding hole is higher than the discharging hole, so that the solid particles can slide automatically and be blended; the pipelines are heavy, and when the pipelines are connected and disassembled, the corrugated strips of the quick connector are required to be knocked by a hammer to be fastened, so that the effect is poor when the pipelines are placed on a field mud land; the fracturing operation does not have a crane, all rely on manual operation, if the mixed material pipe and the bracket are manufactured into a whole, the manual transportation is very inconvenient, so that the field equipment is mostly spliced and detachable.

Optionally, the inner cylinder is connected with the connector through taper pipe threads, and the outer cylinder is connected with the connector through taper pipe threads. The taper pipe thread has conicity, has self sealss effect, through chain tongs, after the pipe tongs is tight, no longer need sealing material auxiliary seal can bear the high pressure, after taking place the additive to block up, opens the clearance immediately, has fast, sealed effectual characteristics.

Optionally, a funnel is arranged at the feed inlet; a first valve is arranged between the bottom of the funnel and the outer cylinder, and the first valve is an electric control valve or a hydraulic valve or a pneumatic valve.

Optionally, a second valve is arranged at the discharge hole, and the second valve is an electric control valve, a hydraulic valve or a pneumatic valve.

Optionally, the joint is a high-pressure quick joint, and the high-pressure quick joint can seal high pressure and also can be connected and disassembled quickly.

Optionally, the support is disposed at the bottom of the mixing tube.

Optionally, one side of the bracket close to the feeding end is higher than one side of the bracket close to the discharging end; the feeding hole must be kept higher than the discharging hole, so that the solid particles can slide and blend automatically.

Optionally, the mixing pipe comprises two mixing pipes which are arranged in parallel; the feeding ends of the two mixing pipes are respectively communicated with two interfaces of a first tee joint, and the other interface of the first tee joint is an inlet; the discharge ends of the two mixing pipes are respectively communicated with two interfaces of a second tee joint, and the other interface of the second tee joint is an outlet.

The reason for setting two mixing pipes is that: a compounding pipe is too heavy, and the manual work can't carry, can realize the effect of operation continuous operation equally through automatic control.

Optionally, a third valve is respectively arranged between the two mixing pipes and the first tee joint and between the two mixing pipes and the second tee joint, and the third valve is an electric control valve or a hydraulic valve or a pneumatic valve;

the other interface of the first tee joint and the other interface of the second tee joint are respectively connected with a fourth valve, and the fourth valve is an electric control valve or a hydraulic valve or a pneumatic valve.

By arranging the valve, liquid is prevented from flowing back from the funnel and the liquid drain pipe below, and the pressure of the fracturing truck can reach one thousand to two thousands of atmospheres because the whole pipeline has a certain pressure during working.

Optionally, the discharge port is communicated with a connecting pipeline through a third tee joint, and the other connecting port of the third tee joint is connected with a second valve, and the second valve is an electric control valve or a hydraulic valve or a pneumatic valve.

Compared with the prior art, the utility model has the following technical effects:

1) The inner cylinder and the outer cylinder are in threaded connection with the connecting joint through taper pipes, so that the disassembly and the cleaning are convenient;

2) All valves adopt automatic control valves, so that remote control is facilitated, and automatic control is realized;

3) The two mixing pipes are connected in parallel, so that more materials can be filled at one time, the pipeline is not required to be disconnected in the middle, uninterrupted feeding is realized, personnel are prevented from entering a high-pressure area, and the safety of the personnel is ensured;

4) The material mixing pipe is obliquely arranged on the bracket, the liquid inlet end is higher than the liquid outlet end, and the material with large grain diameter flows along with the liquid by utilizing the siphon principle, so that the material is convenient to flow out;

5) The funnel is close to the highest position of the outer cylinder, and more materials can be added;

6) The discharge hole is positioned at the lowest point, so that liquid discharge is facilitated.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural view of a mixing cylinder in an automatic control large-particle-size fracturing material adding device;

FIG. 2 is a schematic top view of the apparatus for automatically controlling the addition of large-particle size fracturing material according to the present utility model;

FIG. 3 is a schematic side view of an apparatus for automatically controlling the addition of large-particle size fracturing material according to the present utility model;

fig. 4 is a schematic structural view of a bracket in the automatic control large-particle-size fracturing material adding device of the utility model.

Reference numerals illustrate:

1. a first quick connector; 2. an outer cylinder; 3. an inner cylinder; 4. a first valve; 5. a funnel; 7. a second quick connector; 8. a drain pipe; 9. a second valve; 10. a bracket; 11. a liquid outlet pipe; 12. a second tee; 13. a third valve; 14. a vertical support leg; 15. a lateral leg; 16. a fourth valve; 17. a first tee; 18. a liquid inlet pipe; 19. plugging a sleeve; 20. rear bracket legs; 21. front bracket legs; 22. fixing the connecting rod; 23. a front bracket plug tube; 24. a positioning tube; 25. the rear bracket is inserted with a connecting pipe.

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.

As shown in fig. 1 to 4, the embodiment provides an automatic control large-particle-size fracturing material adding device, which comprises a mixing pipe, wherein the mixing pipe comprises an outer cylinder 2 and an inner cylinder 3, and the length of the outer cylinder 2 is longer than that of the inner cylinder 3; the inner cylinder 3 is arranged inside the outer cylinder 2, and the feeding end of the inner cylinder 3 is connected with the feeding end of the outer cylinder 2; the ends of the two ends of the outer cylinder 2 are respectively provided with a joint; the joint of the feeding end of the outer cylinder 2 is communicated with the inner cylinder 3; a feed inlet is arranged above the end part, close to the feed end, of the outer wall of the outer cylinder 2, and a discharge outlet is arranged below the end part, close to the discharge end, of the outer wall of the outer cylinder 2.

In this embodiment, the inner cylinder 3 and the outer cylinder 2 are connected by a screwed joint of a vertebral canal, so as to facilitate disassembly and cleaning, and have good sealing performance.

A funnel 5 is arranged at the feed inlet; a first valve 4 is arranged between the bottom of the funnel 5 and the outer barrel 2, and the first valve 4 is an electric control valve. The hopper 5 is provided at the top of the feed end of the outer barrel 2 and near the end of the outer barrel 2 so that more material can be added into the outer barrel 2 through the hopper 5.

The discharge port is provided with a drain pipe 8, a second valve 9 is arranged on the drain pipe 8, and the second valve 9 is an electric control valve. The drain pipe 8 is located at the bottom of the discharge end of the outer tube 2 and near the end of the outer tube 2, so that the liquid remaining in the outer tube 2 can be emptied as much as possible.

Further, the automatic control large-particle-size fracturing material adding device further comprises a support 10, and the support 10 is arranged at the bottom of the mixing pipe. The side of the support 10 close to the feeding end is higher than the side of the support 10 close to the discharging end. In the feeding process, the large-particle-size fracturing material flows out of the mixing pipe under the action of water flow impact and self gravity by utilizing the inclination of the support 10, so that the inside of the mixing pipe is not easy to be blocked.

Further, the support 10 includes a front support leg 21 and a rear support leg 20, the top of the front support leg 21 is lower than the rear support leg 20, two sides of the mixing tube are respectively connected with the front support leg 21 and the rear support leg 20, the two front support legs 21 and the two rear support legs 20 on two sides of the same mixing tube are fixedly connected through a fixed connecting rod 22, and the front support legs 21 and the rear support legs 20 of the two mixing tubes are respectively connected through transverse support legs 15.

In order to facilitate the connection and the disassembly of the mixing barrel and the bracket 10, the two sides of the mixing barrel are respectively provided with a plug sleeve 19 at the positions corresponding to the front bracket leg 21 and the rear bracket leg 20, and the top parts of the front bracket leg 21 and the rear bracket leg 20 are inserted into the plug sleeves 19 to connect the mixing barrel and the bracket 10.

In order to further improve the stability of the support 10 for the mixing barrel, a front support insertion tube 23, a positioning tube 24 and a rear support insertion tube 25 are arranged between the front support leg 21 and the rear support leg 20 on the same side, one end of the front support insertion tube 23 is connected with the front support leg 21, the other end is connected with one end of the positioning tube 24, one end of the rear support insertion tube 25 is connected with the rear support leg 20, and the other end is connected with the other end of the positioning tube 24.

The inclined angle of the mixing cylinder is suitable for natural discharging, preferably, the included angle between the mixing cylinder and the horizontal line is 10-70 degrees, and further, 20 degrees, 30 degrees, 45 degrees or 60 degrees can be selected.

The automatic control large-particle-size fracturing material adding device comprises two mixing pipes which are arranged in parallel; the feeding ends of the two mixing pipes are respectively communicated with two interfaces of a first tee joint 17, and the other interface of the first tee joint 17 is an inlet; the discharge ends of the two mixing pipes are respectively communicated with two interfaces of a second tee 12, and the other interface of the second tee 12 is an outlet. A third valve 13 is respectively arranged between the two mixing pipes and the first tee joint 17 and between the two mixing pipes and the second tee joint 12, and the third valve 13 is an electric control valve. The other port of the first tee 17 and the other port of the second tee 12 are respectively connected with a fourth valve 16, and the fourth valve 16 is an electric control valve.

All joints in this embodiment are quick connectors for easy connection and disconnection.

The working process of the automatic control large-particle-size fracturing material adding device in the embodiment is as follows:

opening a first valve 4 below the hopper 5, closing other valves 13, adding large-particle-size fracturing materials into the mixing pipe from the hopper 5, and closing the first valve 4;

the third valve 13 and the fourth valve 13 are respectively communicated with the liquid inlet pipe 18 and the liquid outlet pipe 11;

when the fracturing operation starts, the third valve 13 and the fourth valve 13 are opened firstly, then the third valve 13 at the two ends of one mixing cylinder is opened, and the fracturing fluid passes through the inner cylinder 3 to reach the vicinity of the outlet of the mixing pipe, so that the fracturing fluid is not easy to block; continuously carrying away the large-particle-size fracturing material in the flowing process of the fracturing fluid;

when the fracturing operation is performed for half of the preset time, the third valves 13 at the two ends of the other mixing cylinder are opened, and then the third valves 13 at the two ends of the first mixing cylinder are closed until the fracturing is completed;

after the fracturing operation is finished, a second valve 9 on the drain pipe 8 is opened, liquid in the mixed material pipe is drained, all valves 13 are closed, the liquid inlet pipe 18 and the liquid outlet pipe 11 are removed, the mixed material pipe is taken down from the support 10, and loading is carried out and returned.

It should be noted that it will be apparent to those skilled in the art that the present utility model is not limited to the details of the above-described exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

The principles and embodiments of the present utility model have been described in this specification with reference to specific examples, the description of which is only for the purpose of aiding in understanding the method of the present utility model and its core ideas; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.

Claims

1. The automatic control large-particle-size fracturing material adding device is characterized by comprising a mixing pipe, wherein the mixing pipe comprises an outer cylinder (2), an inner cylinder (3) and a bracket (10), and the length of the outer cylinder (2) is greater than that of the inner cylinder (3); the inner cylinder (3) is arranged inside the outer cylinder (2), and the feeding end of the inner cylinder (3) is connected with the feeding end of the outer cylinder (2); two end parts of the outer cylinder (2) are respectively provided with a joint; the feeding end of the outer cylinder (2) is communicated with the inner cylinder (3) through the joint; a feed inlet is arranged above the end part, close to the feed end, of the outer wall of the outer cylinder (2), a discharge outlet is arranged below the end part, close to the discharge end, of the outer wall of the outer cylinder (2), and two ends of the outer cylinder (2) are sleeved and buckled on the vertical rods of the support (10).

2. The automatic control large-particle-size fracturing material adding device according to claim 1, wherein the inner cylinder (3) is connected with the connector through taper pipe threads, and the outer cylinder (2) is connected with the connector through taper pipe threads.

3. The automatic control large-particle-size fracturing material adding device according to claim 1, wherein a hopper (5) is arranged at the feeding port; a first valve (4) is arranged between the bottom of the funnel (5) and the outer cylinder (2), and the first valve (4) is an electric control valve or a hydraulic valve or a pneumatic valve.

4. The automatic control large-particle-size fracturing material adding device according to claim 1, wherein a second valve (9) is arranged at the discharge port, and the second valve (9) is an electric control valve or a hydraulic valve or a pneumatic valve.

5. The automatically controlled large particle size frac material adding device of claim 1, wherein the joint is a high pressure quick joint.

6. The automatic control large-particle-size fracturing material adding device according to claim 1, wherein the bracket (10) is arranged at the bottom of the mixing pipe.

7. The automatic control large-particle-size fracturing material adding device according to claim 6, wherein the side of the support (10) close to the feeding end is higher than the side of the support (10) close to the discharging end.

8. The automatically controlled large particle size frac material adding device of claim 1, further comprising two of said mixing tubes disposed in parallel; the feeding ends of the two mixing pipes are respectively communicated with two interfaces of a first tee joint (17), and the other interface of the first tee joint (17) is an inlet; the discharge ends of the two mixing pipes are respectively communicated with two interfaces of a second tee joint (12), and the other interface of the second tee joint (12) is an outlet.

9. The automatic control large-particle-size fracturing material adding device according to claim 8, wherein a third valve (13) is respectively arranged between the two mixing pipes and the first tee joint (17) and between the two mixing pipes and the second tee joint (12), and the third valve (13) is an electric control valve or a hydraulic valve or a pneumatic valve;

the other interface of the first tee joint (17) and the other interface of the second tee joint (12) are respectively connected with a fourth valve (16), and the fourth valve (16) is an electric control valve or a hydraulic valve or a pneumatic valve.

10. The automatic control large-particle-size fracturing material adding device according to claim 1, wherein the discharge port is communicated with a connecting pipeline through a third tee joint, the other connecting port of the third tee joint is connected with a second valve (9), and the second valve (9) is an electric control valve or a hydraulic valve or a pneumatic valve.