CN214091818U

CN214091818U - Rolling sand-proof explosion-proof perforating device

Info

Publication number: CN214091818U
Application number: CN202021148429.2U
Authority: CN
Inventors: 刘泉亭; 陈曰俭
Original assignee: Dongying Hongyuan Logging Tool Accessories Co ltd
Current assignee: Dongying Hongyuan Logging Tool Accessories Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-08-31
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses a roll sand prevention explosion-proof perforation device, including the device main part, the inside of device main part is provided with oil pipe and sand prevention packer, sand prevention packer is located oil pipe's the outside, oil pipe's middle part is provided with the direction and connects, oil pipe's outer wall is provided with the disc and connects and just dismouting sealing joint mechanism, just, dismouting sealing joint mechanism is located one side that the disc connects, just, dismouting sealing joint mechanism includes interior hoop, screw thread, straight slot, sealed pad, outer hoop, oil pipe's inside is provided with gravity and detonates the head. Roll sand prevention explosion-proof perforation device, be equipped with location protection explosion-proof mechanism and just dismouting sealing joint mechanism, can be more convenient advance line location explosion-proof operation, have fine protective properties, use safelyr, can also be better carry out the pipeline interface connection, sealing performance is excellent, the difficult condition that appears leaking, connect the fastening, bring better use prospect.

Description

Rolling sand-proof explosion-proof perforating device

Technical Field

The utility model relates to an oil well logging field, in particular to roll sand prevention explosion-proof perforating device.

Background

The perforation device is a supporting device for oil field exploitation, and the perforation adopts special energy-gathering materials to enter a preset horizon of a well hole to perform explosion perforation so as to lead fluid in underground stratums to enter the operation activity of the perforation.

The existing perforating device has certain defects when in use, firstly, the internal pressure of the device is large when in use, the situation of explosion can occur, the use of people is not facilitated, in addition, the device can not be well disassembled and assembled when in use, the sealing performance is poor, certain adverse effects are brought to the use process of people, and therefore, the rolling sand-proof and explosion-proof perforating device is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a roll sand prevention explosion-proof perforation device can be more convenient fix a position explosion-proof operation, has fine protective properties, uses safelyr, can also be better carry out the pipeline interface connection, and sealing performance is excellent, is difficult for appearing the condition of leaking, connects the fastening, can effectively solve the problem in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model adopts the following technical scheme: roll sand prevention explosion-proof perforation device, including the device main part, the inside of device main part is provided with oil pipe and sand prevention packer, sand prevention packer is located oil pipe's the outside, oil pipe's middle part is provided with the direction and connects, oil pipe's outer wall is provided with disc joint and just dismouting sealing joint mechanism, just dismouting sealing joint mechanism is located one side that disc connects, just dismouting sealing joint mechanism includes interior hoop, screw thread, straight slot, sealed pad, outer hoop, oil pipe's inside is provided with the gravity detonating head, oil pipe's one end is provided with the perforating gun, the outer wall of gravity detonating head is provided with the explosion-proof mechanism of location protection, the explosion-proof mechanism of location protection includes dismouting piece, locating plate, explosion-proof hoop, cushion, protection pad.

Preferably, the locating plate is located the outer wall of explosion-proof hoop, the dismouting piece is located one side of locating plate, the cushion is located the inner wall of explosion-proof hoop, the protection pad is located the inner wall of cushion.

Preferably, the inner hoop is located on the inner wall of the outer hoop, the thread is located on the inner wall of the inner hoop, the straight-inserting groove is located on one side of the outer hoop, and the sealing gasket is located on the outer surface of the outer hoop.

Preferably, be provided with the fixed block between locating plate and the explosion-proof hoop, one side fixed connection of fixed block and locating plate is passed through to the outer wall of explosion-proof hoop, be provided with the powerful glue between explosion-proof hoop and the cushion, the inner wall of explosion-proof hoop passes through the outer wall fixed connection of powerful glue and cushion.

Preferably, be provided with the welding piece between interior hoop and the outer hoop, the outer wall of interior hoop passes through the inner wall fixed connection of welding piece and outer hoop, be provided with the fixed glue between straight slot and the sealed pad, the surface of straight slot passes through the fixed glue and is connected with the interior fixed surface that seals up.

Preferably, a sliding groove is formed between the device main body and the sand prevention packer, and the inner wall of the device main body is movably connected with the outer wall of the sand prevention packer through the sliding groove.

(III) advantageous effects

Compared with the prior art, the utility model provides a roll sand prevention explosion-proof perforation device possesses following beneficial effect:

1. this explosion-proof perforating device of roll sand prevention through the explosion-proof operation of fixing a position that can be more convenient of location protection explosion-proof mechanism, has fine protective properties, uses safelyr, will prevent that the explosion-proof hoop is fixed a position at the outer wall of gravity detonating head through dismouting piece, locating plate during the use, protects gravity detonating head, prevents that the too big condition that leads to exploding of pressure that the gravity detonating head, and the cushion further protects with the protection pad, increases performance.

2. This explosion-proof perforating device of roll sand prevention, through just, the sealed joint mechanism of dismouting can be better carry out pipeline interface connection, sealing performance is excellent, the difficult condition that leaks that appears, connect the fastening, be connected between the pipeline through interior hoop and screw thread during the use, straight slot is seted up to the side of hoop outside, one side connecting tube outer wall sets up annular clamp, annular clamp automatic insertion straight slot's inside and through sealed the sealed protection of filling up when through interior hoop and screw thread location, increase stability and sealed effect, it is more practical to connect, whole perforating device simple structure, high durability and convenient operation, the effect of use is better for traditional mode.

Drawings

Fig. 1 is a schematic view of the whole structure of the rolling sand-proof explosion-proof perforating device of the utility model.

Fig. 2 is the structure schematic diagram of the sand-proof packer in the rolling sand-proof explosion-proof perforating device of the utility model.

Fig. 3 is a schematic structural diagram of a positioning protection explosion-proof mechanism in the rolling sand-proof explosion-proof perforating device of the utility model.

Fig. 4 is a schematic structural diagram of the sealing joint mechanism which is easy to disassemble and assemble in the rolling sand-proof explosion-proof perforating device of the utility model.

In the figure: 1. a device main body; 2. an oil pipe; 3. a disc joint; 4. a guide joint; 5. positioning a protection explosion-proof mechanism; 501. disassembling and assembling the blocks; 502. positioning a plate; 503. an explosion-proof hoop; 504. a soft cushion; 505. a protection pad; 6. a perforating gun; 7. the sealing joint mechanism is convenient to disassemble and assemble; 701. an inner hoop; 702. a thread; 703. a straight slot; 704. a gasket; 705. an outer band; 8. a gravity detonation head; 9. a sand-proof packer.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, the rolling sand-prevention explosion-proof perforation device comprises a device main body 1, an oil pipe 2 and a sand-prevention packer 9 are arranged inside the device main body 1, the sand-prevention packer 9 is located on the outer side of the oil pipe 2, a guide joint 4 is arranged in the middle of the oil pipe 2, a disc joint 3 and a sealing joint mechanism 7 which is convenient to disassemble and assemble are arranged on the outer wall of the oil pipe 2, the sealing joint mechanism 7 which is convenient to disassemble and assemble is located on one side of the disc joint 3, the sealing joint mechanism 7 which is convenient to disassemble and assemble comprises an inner hoop 701, a thread 702, a straight insertion groove 703, a sealing gasket 704 and an outer hoop 705, a gravity detonation head 8 is arranged inside the oil pipe 2, a perforation gun 6 is arranged at one end of the oil pipe 2, a positioning protection explosion-proof mechanism 5 is arranged on the outer wall of the gravity detonation head 8, and the positioning protection explosion-proof mechanism 5 comprises a disassembling and assembling block 501, a positioning plate 502, an explosion-proof hoop 503, a cushion 504 and a protection cushion 505.

Furthermore, the locating plate 502 is located the outer wall of explosion-proof hoop 503, and the dismouting piece 501 is located one side of locating plate 502, and cushion 504 is located the inner wall of explosion-proof hoop 503, and protection pad 505 is located the inner wall of cushion 504, can be more convenient fix a position explosion-proof operation.

Furthermore, the inner hoop 701 is positioned on the inner wall of the outer hoop 705, the thread 702 is positioned on the inner wall of the inner hoop 701, the straight-inserting groove 703 is positioned on one side of the outer hoop 705, and the sealing gasket 704 is positioned on the outer surface of the outer hoop 705, so that the pipe interface connection can be better performed, and the sealing performance is excellent.

Further, a fixing block is arranged between the positioning plate 502 and the explosion-proof hoop 503, the outer wall of the explosion-proof hoop 503 is fixedly connected with one side of the positioning plate 502 through the fixing block, a strong glue is arranged between the explosion-proof hoop 503 and the cushion 504, the inner wall of the explosion-proof hoop 503 is fixedly connected with the outer wall of the cushion 504 through the strong glue, and therefore the explosion-proof hoop has good protection performance and is safer to use.

Further, be provided with the welding piece between interior hoop 701 and the outer hoop 705, the outer wall of interior hoop 701 passes through the inner wall fixed connection of welding piece and outer hoop 705, is provided with the fixed glue between cut-through groove 703 and the sealed pad 704, and the surface of cut-through groove 703 passes through the fixed glue and is connected with the interior fixed surface of sealed pad 704, and sealing performance is excellent, the difficult condition that appears leaking, connects the fastening.

Further, a sliding groove is formed between the device main body 1 and the sand prevention packer 9, the inner wall of the device main body 1 is movably connected with the outer wall of the sand prevention packer 9 through the sliding groove, and the sand prevention packer has a sand prevention isolation effect.

The working principle is as follows: the utility model comprises a device main body 1, an oil pipe 2, a disc joint 3, a guide joint 4, a positioning protection explosion-proof mechanism 5, a perforating gun 6, a sealing joint mechanism 7 which is convenient to disassemble and assemble, a gravity detonating head 8 and a sand-proof packer 9, wherein the perforating gun 6 is driven by the gravity detonating head 8 to carry out perforating operation when in use, so that fluid in underground strata can enter a hole, the sand-proof packer 9 can move and has the effect of sand-proof isolation, the disc joint 3 and the guide joint 4 are better fixedly connected, the positioning protection explosion-proof mechanism 5 can be more conveniently used for positioning explosion-proof operation, has good protection performance and is safer to use, when in use, the explosion-proof hoop 503 is positioned on the outer wall of the gravity detonating head 8 by the disassembling and assembling block 501 and the positioning plate 502, the gravity detonating head 8 is protected, and the situation that the explosion is caused by overlarge pressure of the gravity detonating, cushion 504 further protects with protection pad 505, increase performance, just, the use of dismouting sealing joint mechanism 7 can be better carry out pipeline interface connection, sealing performance is excellent, the difficult condition that leaks that appears, connect the fastening, be connected between the pipeline through interior hoop 701 and screw thread 702 during the use, straight slot 703 is seted up to the side of outer hoop 705, one side connecting tube outer wall sets up annular clamp, annular clamp inserts the inside of straight slot 703 automatically and seals the protection through sealed pad 704 when fixing a position with screw thread 702 through interior hoop 701, increase stability and sealed effect, it is more practical to connect.

It is noted that, herein, relational terms such as first and second (a, b, etc.) and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Roll sand prevention explosion-proof perforation device, including device main part (1), its characterized in that: the device is characterized in that an oil pipe (2) and a sand-proof packer (9) are arranged inside a device main body (1), the sand-proof packer (9) is located on the outer side of the oil pipe (2), a guide joint (4) is arranged in the middle of the oil pipe (2), the outer wall of the oil pipe (2) is provided with a disc joint (3) and a sealing joint mechanism (7) which is convenient to disassemble and assemble, the sealing joint mechanism (7) which is convenient to disassemble and assemble is located on one side of the disc joint (3), the sealing joint mechanism (7) which is convenient to disassemble and assemble comprises an inner hoop (701), threads (702), a straight insertion groove (703), a sealing gasket (704) and an outer hoop (705), a gravity detonation head (8) is arranged inside the oil pipe (2), one end of the oil pipe (2) is provided with a perforating gun (6), the outer wall of the gravity detonation head (8) is provided with a positioning protection explosion-proof mechanism (5), and the positioning protection explosion-proof mechanism (5) comprises a disassembly block (501), The anti-explosion device comprises a positioning plate (502), an anti-explosion hoop (503), a soft pad (504) and a protection pad (505).

2. The rolling sand and blast protection perforating device as claimed in claim 1, wherein: locating plate (502) are located the outer wall of explosion-proof hoop (503), dismouting piece (501) are located one side of locating plate (502), cushion (504) are located the inner wall of explosion-proof hoop (503), protection pad (505) are located the inner wall of cushion (504).

3. The rolling sand and blast protection perforating device as claimed in claim 1, wherein: the inner hoop (701) is positioned on the inner wall of the outer hoop (705), the thread (702) is positioned on the inner wall of the inner hoop (701), the straight slot (703) is positioned on one side of the outer hoop (705), and the sealing gasket (704) is positioned on the outer surface of the outer hoop (705).

4. The rolling sand protection and explosion proof perforation device according to claim 2, wherein: be provided with the fixed block between locating plate (502) and explosion-proof hoop (503), one side fixed connection of fixed block and locating plate (502) is passed through to the outer wall of explosion-proof hoop (503), be provided with the powerful glue between explosion-proof hoop (503) and cushion (504), the outer wall fixed connection of explosion-proof hoop (503) through powerful glue and cushion (504).

5. The rolling sand protection and explosion proof perforation device according to claim 3, wherein: the novel rubber gasket is characterized in that a welding block is arranged between the inner hoop (701) and the outer hoop (705), the outer wall of the inner hoop (701) is fixedly connected with the inner wall of the outer hoop (705) through the welding block, fixing glue is arranged between the straight slot (703) and the sealing gasket (704), and the outer surface of the straight slot (703) is fixedly connected with the inner surface of the sealing gasket (704) through the fixing glue.

6. The rolling sand and blast protection perforating device as claimed in claim 1, wherein: a sliding groove is formed between the device main body (1) and the sand prevention packer (9), and the inner wall of the device main body (1) is movably connected with the outer wall of the sand prevention packer (9) through the sliding groove.