CN215718657U

CN215718657U - Perforating bullet shell of oil pipe

Info

Publication number: CN215718657U
Application number: CN202121696735.4U
Authority: CN
Inventors: 张建国
Original assignee: Ningbo Jingda Metal Manufacturing Co ltd
Current assignee: Ningbo Jingda Metal Manufacturing Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-02-01
Anticipated expiration: 2031-07-23

Abstract

The utility model relates to the technical field of oil exploitation, and discloses a perforated pipe perforating bullet shell which comprises a shell body, wherein a fixing sleeve is installed at the bottom of the shell body, fixing mechanisms are installed at the tops of two sides of the fixing sleeve, fixing holes are formed in the bottoms of the two sides of the shell body, one side of each fixing mechanism is connected with the corresponding fixing hole, the fixing mechanisms are connected with the two sides of the shell body, a shaped charge cover is installed at the bottom of an inner cavity of the shell body, and a main explosive body is installed between the shell body and the shaped charge cover. According to the utility model, the movable rods are pulled to two sides to drive the limiting baffle to move in the fixed frame, and the limiting baffle can compress the reset spring, so that the fixed rod is driven to move out of the fixed hole, the fixing effect between the shell and the fixed sleeve is removed, so that initiating explosive can be conveniently added into the shell, the perforating bullet shell can be reused, the utilization rate of the perforating bullet shell is improved, and the cost can be greatly saved.

Description

Perforating bullet shell of oil pipe

Technical Field

The utility model relates to the technical field of oil exploitation, in particular to a through oil pipe perforating bullet shell.

Background

The perforation of the oil pipe is a new process in the oil exploitation technology, which is to put the oil pipe with bell mouth to the position above the perforated well section, then use the oil pipe perforator to put the oil pipe into the well through the bell mouth, and perforate in the casing. The difference from the common perforation is that a blowout preventer and a high-pressure blowout preventer box which passes through a cable need to be installed on a wellhead.

The existing perforating bullet shell is inconvenient to disassemble after being used, so that the perforating bullet is inconvenient to use continuously, the utilization rate of the perforating bullet is low, the detonating cord mounted on the perforating bullet shell is easy to fall off, and the oil pipe perforating bullet shell is provided for solving the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, such as: the existing perforating bullet shell is inconvenient to disassemble after being used, so that the perforating bullet is inconvenient to use continuously, the utilization rate of the perforating bullet is low, the detonating cord mounted on the perforating bullet shell is easy to fall off, and the oil pipe perforating bullet shell is provided.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a cross oil pipe perforating bullet shell, includes the casing, fixed cover is installed to the bottom of casing, fixed establishment is all installed at the top of fixed cover both sides, the fixed orifices has all been seted up to the bottom of casing both sides, one side and the fixed orifices of fixed establishment are connected, fixed establishment is connected with the both sides of casing, the type of a explosive cover is installed to the bottom of casing inner chamber, install main explosive body between casing and the type of a explosive cover, the detonating cord groove has been seted up at the middle part on casing top, detonating cord groove is linked together with the inside of casing, the detonating cord body is installed to the bottom in detonating cord groove, stop gear is installed on the top of casing, the jet orifice has been seted up at the middle part of fixed cover bottom.

Preferably, stop gear is including installing the spacing at the casing top, the mid-mounting on spacing top has the adjusting collar, the inside threaded mounting of adjusting collar has the regulation pole, the bottom of adjusting the pole passes spacing and installs spacing fixture block.

Preferably, the left inner wall and the right inner wall of the limiting frame are both vertically provided with sliding grooves, the middle parts of two sides of the limiting clamping block are both provided with sliding blocks, and the sliding blocks are movably inserted into the sliding grooves respectively.

Preferably, fixed establishment is including installing the mount at fixed cover both sides top, the inside horizontal activity interlude of mount has the movable rod, limit baffle is installed to one side of movable rod, limit baffle activity alternates in the inside of mount, the outside cover of movable rod is equipped with reset spring, limit baffle keeps away from the mid-mounting of movable rod one side and has the dead lever, the inside at the fixed orifices is alternated in the dead lever activity.

Preferably, the fixed slot has all been seted up to the both sides of casing bottom, the fixed block is all installed at the top of two inner walls about the fixed cover, the fixed block is the activity respectively and is alternates in the inside of fixed cover.

Preferably, the limiting grooves are formed in the two sides of the shell and communicated with the inside of the fixing groove respectively, and the limiting blocks are mounted at the middle of the top ends of the fixing blocks and movably inserted into the limiting grooves respectively.

Compared with the prior art, the utility model has the beneficial effects that:

(1) according to the utility model, the adjusting rod is matched with the adjusting sleeve by rotating the adjusting rod, the limiting clamping block can be driven to move downwards, the sliding block can slide in the sliding groove, the limiting clamping block can be kept stable in movement, the detonating cord placed in the detonating cord groove can be fixed, the condition that the detonating cord is separated from the shell is avoided, the main explosive body can be ignited by igniting the detonating body through the detonating cord, and thus the perforating operation can be carried out on the rock stratum in the oil well.

(2) According to the utility model, the movable rods are pulled to two sides to drive the limiting baffle to move in the fixed frame, and the limiting baffle can compress the reset spring, so that the fixed rod is driven to move out of the fixed hole, the fixing effect between the shell and the fixed sleeve is removed, so that initiating explosive can be conveniently added into the shell, the perforating bullet shell can be reused, the utilization rate of the perforating bullet shell is improved, and the cost can be greatly saved.

Drawings

FIG. 1 is a schematic view of the internal structure of the whole body of the present invention;

FIG. 2 is an enlarged schematic view of a portion A of FIG. 1 according to the present invention;

FIG. 3 is a schematic structural diagram according to a first embodiment of the present invention;

fig. 4 is a schematic structural diagram of a second embodiment of the present invention.

In the figure: 1. a housing; 2. a main explosive body; 3. a detonating cord slot; 4. a limiting mechanism; 41. a limiting frame; 42. an adjusting sleeve; 43. adjusting a rod; 44. a limiting clamping block; 45. a chute; 46. a slider; 5. a primary explosive body; 6. a liner; 7. fixing a sleeve; 8. a fixing mechanism; 81. a fixed mount; 82. a return spring; 83. a movable rod; 84. a limit baffle; 85. fixing the rod; 9. a jet hole; 10. fixing grooves; 11. a fixed block; 12. a limiting block; 13. a limiting groove; 14. and (7) fixing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-4, a perforated pipe perforating bullet cartridge case comprises a casing 1, a fixed sleeve 7 is installed at the bottom of the casing 1, fixing grooves 10 are respectively formed at two sides of the bottom end of the casing 1, fixing blocks 11 are respectively installed at the tops of the left and right inner walls of the fixed sleeve 7, the fixing blocks 11 are respectively movably inserted into the fixed sleeve 7, the fixing blocks 11 are inserted into the fixing grooves 10, so that the casing 1 and the fixed sleeve 7 can be conveniently installed and can play a role in positioning, limiting grooves 13 are respectively formed at two sides of the casing 1, the limiting grooves 13 are respectively communicated with the insides of the fixing grooves 10, a limiting block 12 is installed in the middle of the top end of the fixing block 11, the limiting blocks 12 are respectively movably inserted into the limiting grooves 13, the limiting grooves 13 are inserted into the limiting grooves 12, so that the situation of rotation between the fixed sleeve 7 and the casing 1 can be avoided, and fixing mechanisms 8 are installed at the tops of two sides of the fixed sleeve 7, fixed orifices 14 have all been seted up to the bottom of 1 both sides of casing, one side of fixed establishment 8 is connected with fixed orifices 14, fixed establishment 8 is connected with the both sides of casing 1, type of charge cover 6 is installed to the bottom of 1 inner chamber of casing, install main explosive body 2 between casing 1 and the type of charge cover 6, detonating cord groove 3 has been seted up at the middle part on 1 top of casing, detonating cord groove 3 is linked together with the inside of casing 1, detonating body 5 is installed to detonating cord groove 3's bottom, detonating body 5 is fired through detonating cord index, can ignite main explosive body 2, thereby can carry out the perforation operation to the inside rock stratum of oil well, stop gear 4 is installed on the top of casing 1, jet hole 9 has been seted up at the middle part of fixed cover 7 bottom, can derive the inside high-pressure gas of casing 1 through jet hole 9.

The first embodiment is as follows:

as shown in fig. 3, the limiting mechanism 4 includes a limiting frame 41 installed at the top end of the housing 1, an adjusting sleeve 42 is installed at the middle portion of the top end of the limiting frame 41, an adjusting rod 43 is installed inside the adjusting sleeve 42 through threads, a limiting block 44 is installed at the bottom end of the adjusting rod 43 through the limiting frame 41, sliding slots 45 are vertically formed on both left and right inner walls of the limiting frame 41, sliding blocks 46 are installed at the middle portions of both sides of the limiting block 44, the sliding blocks 46 are respectively movably inserted inside the sliding slots 45, the adjusting rod 43 is rotated to match the adjusting rod 43 with the adjusting sleeve 42, the limiting block 44 can be driven to move downwards, the sliding blocks 46 can slide inside the sliding slots 45, the limiting block 44 can be kept stable during movement, and the detonating cord placed inside the detonating cord slot 3 can be fixed, and the slider 46 moves in the sliding groove 45, so that the stability of the limit latch 44 in the moving process can be maintained.

Example two:

as shown in fig. 4, the fixing mechanism 8 includes a fixing frame 81 installed at the top of the two sides of the fixing frame 7, a movable rod 83 is transversely movably inserted into the fixing frame 81, a limit baffle 84 is installed at one side of the movable rod 83, the limit baffle 84 is movably inserted into the fixing frame 81, a return spring 82 is sleeved outside the movable rod 83, a fixed rod 85 is installed at the middle part of the limit baffle 84 far from one side of the movable rod 83, the fixed rod 85 is movably inserted into the fixed hole 14, the limit baffle 84 is driven by pulling the movable rod 83 to two sides to move inside the fixing frame 81, the return spring 82 can be compressed by the limit baffle 84, so as to drive the fixed rod 85 to move out from the inside of the fixed hole 14, the fixing effect between the housing 1 and the fixing frame 7 is released, thereby facilitating the addition of initiating explosive into the housing 1, enabling the perforating bullet housing to be reused, and improving the utilization rate of the perforating bullet housing, the cost can be greatly saved.

In the utility model, when a user uses the device, the adjusting rod 43 is rotated to enable the adjusting rod 43 to be matched with the adjusting sleeve 42, the limiting fixture block 44 can be driven to move downwards, the sliding block 46 can slide in the sliding groove 45, the limiting fixture block 44 can be kept stable in moving, the detonating cord placed in the detonating cord groove 3 can be fixed, the condition that the detonating cord is separated from the shell 1 is avoided, the main explosive body 2 can be ignited through igniting the detonating cord ignition explosive body 5, so that the rock stratum in an oil well can be perforated, when the detonating cord is added into the shell 1, the movable rods 83 are pulled to two sides to drive the limiting baffle plates 84 to move in the fixed frame 81, the limiting baffle plates 84 can compress the return springs 82, so that the fixed rod 85 is driven to move out from the inside the fixed holes 14, the fixing effect between the shell 1 and the fixed sleeve 7 is removed, therefore, the primary explosive is conveniently added into the shell 1, the perforating charge shell can be reused, the utilization rate of the perforating charge shell is improved, and the cost can be greatly saved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

It is noted that, herein, relational terms such as first and second, 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.

Claims

1. The perforating bullet shell comprises a shell body (1) and is characterized in that a fixing sleeve (7) is installed at the bottom of the shell body (1), fixing mechanisms (8) are installed at the tops of two sides of the fixing sleeve (7), fixing holes (14) are formed in the bottoms of two sides of the shell body (1), one side of each fixing mechanism (8) is connected with the corresponding fixing hole (14), the fixing mechanisms (8) are connected with two sides of the shell body (1), a shaped charge cover (6) is installed at the bottom of an inner cavity of the shell body (1), a main explosive body (2) is installed between the shell body (1) and the shaped charge cover (6), an explosive fuse groove (3) is formed in the middle of the top end of the shell body (1), the explosive fuse groove (3) is communicated with the inside of the shell body (1), and an explosive body (5) is installed at the bottom of the explosive fuse groove (3), the jet flow device is characterized in that a limiting mechanism (4) is installed at the top end of the shell (1), and a jet flow hole (9) is formed in the middle of the bottom end of the fixing sleeve (7).

2. A perforated pipe perforating bullet case as claimed in claim 1, characterized in that said limiting mechanism (4) comprises a limiting frame (41) mounted at the top end of the case body (1), an adjusting sleeve (42) is mounted at the middle part of the top end of said limiting frame (41), an adjusting rod (43) is mounted in the adjusting sleeve (42) by internal thread, and a limiting block (44) is mounted at the bottom end of said adjusting rod (43) through the limiting frame (41).

3. The perforated pipe perforating bullet case of claim 2, characterized in that the left and right inner walls of the limiting frame (41) are vertically provided with sliding grooves (45), the middle parts of the two sides of the limiting clamping block (44) are respectively provided with a sliding block (46), and the sliding blocks (46) are respectively movably inserted in the sliding grooves (45).

4. The perforated pipe perforating bullet case of claim 1, characterized in that the fixing mechanism (8) comprises a fixing frame (81) installed on the top of the two sides of the fixing frame (7), a movable rod (83) is transversely movably inserted into the fixing frame (81), a limit baffle (84) is installed on one side of the movable rod (83), the limit baffle (84) is movably inserted into the fixing frame (81), a return spring (82) is sleeved on the outer side of the movable rod (83), a fixing rod (85) is installed in the middle of one side of the limit baffle (84) far away from the movable rod (83), and the fixing rod (85) is movably inserted into the fixing hole (14).

5. The perforated pipe perforating bullet case of claim 1, characterized in that the two sides of the bottom end of the casing (1) are both provided with fixing slots (10), the tops of the left and right inner walls of the fixing sleeve (7) are both provided with fixing blocks (11), and the fixing blocks (11) are respectively and movably inserted into the fixing sleeve (7).

6. The perforated pipe perforating bullet case of claim 5, characterized in that both sides of the case body (1) are provided with limiting grooves (13), the limiting grooves (13) are respectively communicated with the inside of the fixing grooves (10), the middle part of the top end of the fixing block (11) is provided with limiting blocks (12), and the limiting blocks (12) are respectively movably inserted in the limiting grooves (13).