CN217055126U

CN217055126U - High-energy gas fracturing safety device

Info

Publication number: CN217055126U
Application number: CN202220852527.7U
Authority: CN
Inventors: 梁东阳
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-07-26
Anticipated expiration: 2032-04-14

Abstract

The utility model relates to a mineral resources development technical field just discloses a high energy gas fracturing safety device, include: the ignition device comprises a gas generation chemical ring and an ignition chemical ring, wherein the gas generation chemical ring is sleeved outside the ignition chemical ring, a fracturing cavity is arranged in the side wall of the gas generation chemical ring, an upper plugging block of the gas generation ring is arranged at the top end of the fracturing cavity, a lower plugging block of the gas generation ring is arranged at the bottom end of the fracturing cavity, and a fuel cavity is arranged in the side wall of the ignition chemical ring. This kind of high energy gas fracturing safety device through being provided with gas production medicine ring and ignition medicine ring for gas production medicine ring and ignition medicine ring separable individual storage, transportation can not be very easily detonated by the detonator when receiving the ordinary pressure, simultaneously when gas production medicine ring and ignition medicine ring peg graft, and the chamber outer wall in the fuel chamber after pegging graft is inseparable with the intracavity wall laminating in fracturing chamber, can detonate smoothly when lighting, the plush copper and the slot contact and the joint of plectane top, make gas production medicine ring and ignition medicine ring joint fastness stronger, be enough to be used for connecting both and blast the use.

Description

High-energy gas fracturing safety device

Technical Field

The utility model relates to a mineral resources development technical field specifically is a high-energy gas fracturing safety device.

Background

The high-energy gas fracturing is a production increasing measure which utilizes a large amount of high-temperature high-pressure gas generated by fast combustion of gunpowder or rocket propellant in a shaft to extrude a radial multi-crack system on a producing layer to improve the permeability of a near-wellbore area, thereby increasing the yield of an oil-gas well and the injection amount of a water injection well.

The existing high-energy gas fracturing devices are almost integrally stored and transported, wherein part of the devices are packaged by metal shells, and are very easy to detonate by detonators under normal pressure, meanwhile, due to the fact that static electricity and various stray currents around a well field cause mis-ignition, oil wells are scrapped, personnel injury and other accidents are caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a high-energy gas fracturing safety device possesses and is difficult for being detonated by the detonator, ignites safe and reliable, and stability is strong to be difficult for appearing unexpected advantage during storage, transportation, has solved the problem of proposing in the background art.

The utility model provides a following technical scheme: a high energy gas fracturing safety device comprising: the ignition device comprises a gas generation chemical ring and an ignition chemical ring, wherein the gas generation chemical ring is sleeved outside the ignition chemical ring, a fracturing cavity is arranged in the side wall of the gas generation chemical ring, an upper plugging block of the gas generation ring is arranged at the top end of the fracturing cavity, a lower plugging block of the gas generation ring is arranged at the bottom end of the fracturing cavity, a fuel cavity is arranged in the side wall of the ignition chemical ring, an upper plugging block of the ignition ring is arranged at the top end of the fuel cavity, a lower plugging block of the ignition ring is arranged at the bottom end of the fuel cavity, a circular plate is arranged below the lower plugging block of the ignition ring, a conversion plug is inserted into the top end of the ignition chemical ring, and an ignition seat is fixedly connected to the top end of the conversion plug through a bolt.

Furthermore, the bottom of change over plug is equipped with the ignition powder post, the ignition powder post is located the inside of ignition powder ring, the top of ignition powder post is equipped with the buffer piece, the buffer piece is located the change over plug, the bottom of ignition seat is pegged graft in the top of change over plug, the bottom of ignition seat is equipped with the energy conversion powder post, the top of energy conversion powder post is equipped with safe detonator, safe detonator is located the inside of ignition seat, the top of safe detonator is equipped with the elasticity filler, the top fixedly connected with of elasticity filler ignites the group.

Furthermore, the bottom end of the lower blocking block of the gas production ring is provided with a slot, the edge of the upper surface of the circular plate is fixedly connected with a raised head, and the raised head is inserted into the lower blocking block of the gas production ring.

Furthermore, the outer wall surface of the ignition chemical ring is attached to the inner wall surface of the gas generation chemical ring, a gas generation chemical is filled in the fracturing cavity, the inner wall of the fracturing cavity is made of a cow leather material, an ignition chemical is filled in the fuel cavity, and the outer wall of the fuel cavity is made of a cow leather material.

Furthermore, the cross sections of the upper blocking block of the gas production ring, the lower blocking block of the ignition ring and the upper blocking block of the ignition ring are all T-shaped structures and are made of polypropylene materials.

Furthermore, the conducting wire in the ignition wire group is led out through the elastic filler, the safety detonator and the energy conversion explosive column, the bottom end of the energy conversion explosive column is attached to the upper surface of the buffer sheet, and the bottom end of the ignition explosive column is attached to the lower surface of the buffer sheet.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the high-energy gas fracturing safety device is provided with the gas generating explosive ring and the ignition explosive ring, so that the gas generating explosive ring and the ignition explosive ring can be separately and independently stored and transported, the gas generating explosive ring and the ignition explosive ring are not easily detonated by a detonator under normal pressure, meanwhile, when the gas generating explosive ring and the ignition explosive ring are spliced, the outer wall of a cavity of a fuel cavity is tightly attached to the inner wall of a fracturing cavity after the splicing, the gas generating explosive ring and the ignition explosive ring can be smoothly detonated when ignited, and a raised head at the top end of a circular plate is in contact and clamped with a slot, so that the gas generating explosive ring and the ignition explosive ring are high in connection firmness and can be used for connecting the gas generating explosive ring and the ignition explosive ring to perform blasting, the assembly is simple and quick, the safety is high, and the public safety and the personal safety can not be damaged.

2. This kind of high-energy gas fracturing safety device, through setting up some ignition seat and changeover plug, pass through the combined action of energy conversion explosive column and buffering piece by safe detonator, effectively weaken the detonation effect and utilize the high temperature that the detonation produced to make the burning of energy conversion explosive column, the dummy gun or the fracturing bullet that have avoided detonation wave to explode the fracturing bullet to cause burns inadequately, draws forth through elasticity filler, safe detonator, energy conversion explosive column through wire in the ignition group for can detonate smoothly when lighting.

Drawings

FIG. 1 is a schematic view of the overall structure of the device of the present invention;

FIG. 2 is a schematic sectional view of the ignition seat of the present invention;

fig. 3 is a schematic view of the cross-sectional structure of the gas generating ring of the present invention.

In the figure: 1. a gas generating drug ring; 2. a fracturing chamber; 3. a blocking block is arranged on the gas production ring; 4. a gas production ring lower block; 5. inserting slots; 6. a circular plate; 7. an ignition charge ring; 8. a fuel chamber; 9. igniting the lower block of the ring; 10. a block is arranged on the ignition ring; 11. an ignition seat; 12. a conversion plug; 13. an elastic filler; 14. a safety detonator; 15. an energy conversion charge; 16. a buffer sheet; 17. igniting the explosive columns; 18. an ignition wire set.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Example one

Referring to fig. 1-3, a high-energy gas fracturing safety device comprises a gas generating ring 1 and an ignition ring 7, wherein the gas generating ring 1 is sleeved outside the ignition ring 7, a fracturing cavity 2 is arranged in the side wall of the gas generating ring 1, an upper gas generating ring blocking block 3 is arranged at the top end of the fracturing cavity 2, a lower gas generating ring blocking block 4 is arranged at the bottom end of the fracturing cavity 2, a fuel cavity 8 is arranged in the side wall of the ignition ring 7, an upper ignition ring blocking block 10 is arranged at the top end of the fuel cavity 8, a lower ignition ring blocking block 9 is arranged at the bottom end of the fuel cavity 8, a circular plate 6 is arranged below the lower ignition ring blocking block 9, a conversion plug 12 is inserted at the top end of the ignition ring 7, the top end of the conversion plug 12 is fixedly connected with an ignition seat 11 through a bolt, the gas generating ring 1 and the ignition ring 7 can be separately stored and transported, an insertion slot 5 is arranged at the bottom end of the lower ignition ring blocking block 4, a protruding head is fixedly connected at the edge of the upper surface of the circular plate 6, and the bald head is pegged graft in producing gas ring lower block 4, the outer wall surface of ignition powder ring 7 laminates with the inner wall surface that produces gas medicine ring 1 mutually, the intussuseption of fracturing chamber 2 is filled with and produces gas medicament, the intracavity wall of fracturing chamber 2 is made for the cow hide material, the intussuseption of fuel chamber 8 is filled with the ignition medicament, the chamber outer wall of fuel chamber 8 is made for the cow hide material, can detonate smoothly when lighting, produce gas ring upper block 3, produce gas ring lower block 4, ignition ring lower block 9 and ignition ring upper block 10's cross section and be T type structure, and be the polypropylene material and make, sealed effectual and the equipment is simple swift.

Example two

Based on the first embodiment, as shown in fig. 1-3, the bottom end of the conversion plug 12 is provided with an ignition powder column 17, the ignition powder column 17 is located inside the ignition powder ring 7, the top end of the ignition powder column 17 is provided with a buffer sheet 16, the buffer sheet 16 is located inside the conversion plug 12, the bottom end of the ignition seat 11 is inserted into the top end of the conversion plug 12, the bottom end of the ignition seat 11 is provided with an energy conversion powder column 15, the top end of the energy conversion powder column 15 is provided with a safety detonator 14, the safety detonator 14 is located inside the ignition seat 11, the top end of the safety detonator 14 is provided with an elastic filler 13, the top end of the elastic filler 13 is fixedly connected with an ignition wire group 18, a conducting wire in the ignition wire group 18 is led out through the elastic filler 13, the safety detonator 14 and the energy conversion powder column 15, so as to be ignited smoothly, the bottom end of the energy conversion powder column 15 is attached to the upper surface of the buffer sheet 16, the bottom end of the ignition powder column 17 is attached to the lower surface of the buffer sheet 16, the safety detonator 14 effectively weakens the detonation effect through the comprehensive action of the energy conversion explosive column 15 and the buffering sheet 16, and utilizes the high temperature generated by the detonation to burn the energy conversion explosive column 15, so that the phenomenon that the combustion of the dummy cannon or the fracturing bomb is insufficient due to the detonation wave explosion of the fracturing bomb is avoided.

The working principle is as follows: when the device is used, the gas generating explosive ring 1 and the ignition explosive ring 7 are inserted, the outer wall of the fuel cavity 8 is tightly attached to the inner wall of the fracturing cavity 2 after insertion, ignition can be smoothly carried out, the raised head at the top end of the circular plate 6 is contacted and clamped with the slot 5, so that the gas generating explosive ring 1 and the ignition explosive ring 7 are high in connection firmness, the safety detonator 14 effectively weakens the detonation effect through the comprehensive effect of the energy conversion explosive column 15 and the buffer sheet 16, the energy conversion explosive column 15 is combusted by utilizing the high temperature generated by detonation, and a lead in the ignition wire group 18 is led out through the elastic filler 13, the safety detonator 14 and the energy conversion explosive column 15, so that ignition can be smoothly carried out during ignition.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," "connecting," and "connecting" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be directly connected, and "upper," "lower," "left," and "right" are only used to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the foregoing is illustrative of the preferred embodiments of the present invention, and is not to be construed as limiting the invention, and any modifications, equivalent alterations, improvements and the like made within the spirit and principle of the invention are intended to be included within the scope of the invention.

Claims

1. A high energy gas fracturing safety device, comprising: the ignition device comprises a gas generation ring (1) and an ignition ring (7), wherein the gas generation ring (1) is sleeved outside the ignition ring (7), a fracturing cavity (2) is formed in the side wall of the gas generation ring (1), a plugging block (3) on the gas generation ring is arranged at the top end of the fracturing cavity (2), a plugging block (4) under the gas generation ring is arranged at the bottom end of the fracturing cavity (2), a fuel cavity (8) is formed in the side wall of the ignition ring (7), a plugging block (10) on the ignition ring is arranged at the top end of the fuel cavity (8), a plugging block (9) under the fuel ring is arranged at the bottom end of the fuel cavity (8), a circular plate (6) is arranged below the plugging block (9) under the ignition ring, a conversion plug (12) is inserted into the top end of the ignition ring (7), and an ignition seat (11) is fixedly connected to the top end of the conversion plug (12) through bolts.

2. The high energy gas fracturing safety device of claim 1, wherein: the ignition device is characterized in that an ignition powder column (17) is arranged at the bottom end of the conversion plug (12), the ignition powder column (17) is located inside the ignition powder ring (7), a buffer sheet (16) is arranged at the top end of the ignition powder column (17), the buffer sheet (16) is located inside the conversion plug (12), the bottom end of the ignition seat (11) is inserted into the top end of the conversion plug (12), an energy conversion powder column (15) is arranged at the bottom end of the ignition seat (11), a safety detonator (14) is arranged at the top end of the energy conversion powder column (15), the safety detonator (14) is located inside the ignition seat (11), an elastic filler (13) is arranged at the top end of the safety detonator (14), and an ignition wire group (18) is fixedly connected to the top end of the elastic filler (13).

3. The high energy gas fracturing safety device of claim 1, wherein: the bottom end of the gas production ring lower block (4) is provided with a slot (5), the edge of the upper surface of the circular plate (6) is fixedly connected with a raised head, and the raised head is inserted into the gas production ring lower block (4).

4. A high energy gas fracture safety device as claimed in claim 1, wherein: the ignition chemical ring is characterized in that the surface of the outer wall of the ignition chemical ring (7) is attached to the surface of the inner wall of the gas generation chemical ring (1), a gas generation chemical is filled in the fracturing cavity (2), the inner wall of the fracturing cavity (2) is made of a cow leather material, an ignition chemical is filled in the fuel cavity (8), and the outer wall of the fuel cavity (8) is made of a cow leather material.

5. The high energy gas fracturing safety device of claim 1, wherein: the cross sections of the upper blocking block (3) of the gas production ring, the lower blocking block (4) of the gas production ring, the lower blocking block (9) of the ignition ring and the upper blocking block (10) of the ignition ring are all T-shaped structures and are made of polypropylene materials.

6. A high energy gas fracture safety device as claimed in claim 2, wherein: the inner lead of the ignition wire group (18) is led out through an elastic filler (13), a safety detonator (14) and an energy conversion explosive column (15), the bottom end of the energy conversion explosive column (15) is attached to the upper surface of a buffer sheet (16), and the bottom end of the ignition explosive column (17) is attached to the lower surface of the buffer sheet (16).