CN212563188U - Detonating cord-free perforating gun for oil-gas well perforation - Google Patents
Detonating cord-free perforating gun for oil-gas well perforation Download PDFInfo
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- CN212563188U CN212563188U CN202022078313.2U CN202022078313U CN212563188U CN 212563188 U CN212563188 U CN 212563188U CN 202022078313 U CN202022078313 U CN 202022078313U CN 212563188 U CN212563188 U CN 212563188U
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Abstract
The utility model discloses an oil gas well perforation is with no explosive fuse perforating gun relates to the perforating gun and makes technical field, has solved the complicated perforation effect of current perforating gun structure not good and the technical problem that the explosive fuse has the potential safety hazard. The detonating cord-free perforating gun for oil and gas well perforation comprises a contact pin (1), a partition plate joint (2), a gun barrel (3), a detonator (4), a perforating bullet frame (5) and a conductive rod (6). The utility model discloses can be used to the explosion in the oil well development and jet out the stratum. The utility model relates to an oil gas well perforation is with no detonating cord perforating gun adopts no detonating cord and non-joint design, and the structure is retrencied, and is safe high-efficient more.
Description
Technical Field
The utility model relates to a perforating gun makes technical field, concretely relates to oil gas well perforation is with no detonating cord perforating gun.
Background
The perforating gun is an assembly of equipment and matched parts thereof for perforating an oil-gas well, a plurality of perforating guns are connected in series and then are put into an oil well to explode and shoot a stratum, a perforating gun barrel, a cartridge holder pipe and a connecting joint are included, a user needs to perform perforating and lead wire connection, add perforating bullets, detonating cords, detonators and a connecting and selecting switch on the perforating gun when using the perforating gun, the operation procedure is complicated, the installation of the perforating gun consumes long time, the production efficiency of construction in a slow-towing well is improved, and the fire line has potential safety hazards as the detonating cord.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides an oil gas well perforation is with no detonating cord perforating gun, adopt no detonating cord design, entire system all adopts grafting and contact connection, in the use, contact pin and detonator direct contact on the baffle connects are as detonator trigger, detonate the detonator, make the perforating bullet jet out, the detonator also electrically conducts with conducting rod direct contact simultaneously, the conducting rod passes through the conducting strip and transmits current to next contact pin, detonate the detonator in the next section perforating gun, the technical problem that the complicated perforation effect of current perforating gun structure is not good and the detonating cord has the potential safety hazard has been solved. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an oil gas well perforation is with no detonating cord perforating gun, connect, barrel, detonator, perforating bullet frame and conducting rod including contact pin, baffle, wherein:
preferably, the partition joint, the detonator and the perforating bullet rack are sequentially arranged in the gun tube;
preferably, the contact pin is mounted on the partition joint; the detonator is arranged on the perforating bullet frame through a fixing hole arranged on the perforating bullet frame;
preferably, the conductive rod is arranged on the perforating charge carrier through a through hole on the perforating charge carrier;
preferably, one end of the conductive rod is in direct contact with the detonator, and the other end of the conductive rod is connected with the contact pin through a conductive sheet.
Optionally or preferably, one end of the gun barrel is provided with internal threads, the other end of the gun barrel is provided with external threads, and the detonating cord-free perforating guns for perforating the oil and gas wells are fixedly connected through the internal threads and the external threads.
Optionally or preferably, the charge carrier is further provided with at least 3 charge slots, and charges are installed in the charge slots.
Alternatively or preferably, the partition plate joint is arranged at the joint of the two gun barrels, one end of a contact pin arranged on the partition plate joint is contacted with the detonator below, and the other end of the contact pin is connected with a conductive rod arranged on the perforating charge rack above through a conductive sheet.
Optionally or preferably, the detonator adopts a high-resistance detonator, and the chip in the detonator is in direct contact with the conductive rod.
Based on the technical scheme, the following technical effects can be generated:
the embodiment of the utility model provides an oil gas well perforation is with no detonating cord perforating gun, the stratum is penetrated in the explosion in the oil well development. The utility model relates to an oil gas well perforation is with no detonating cord perforating gun, adopt no detonating cord design, entire system all adopts grafting and contact connection, in the use, contact pin and detonator direct contact on the baffle connects are as detonator trigger, detonate the detonator, make the perforating bullet jet out, the detonator also is electrically conductive with conducting rod direct contact simultaneously, the conducting rod passes through the conducting strip and transmits current to next contact pin, detonate the detonator in the next section perforating gun, the technical problem that current perforating gun structure is complicated to perforate effectually not well and the detonating cord has the potential safety hazard has been solved. The utility model relates to an oil gas well perforation is with no detonating cord perforating gun adopts no detonating cord and non-joint design, and the structure is retrencied, and perforating gun length is extremely short, and is safe high-efficient more, field operation is simple.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view (semi-sectional view) of an embodiment of the present invention;
FIG. 3 is a schematic view of the internal structure of the embodiment of the present invention;
in the figure: 1. inserting a pin; 2. a bulkhead fitting; 3. a barrel; 4. a detonator; 5 a perforating charge carrier; 501. a perforating charge slot; 6. a conductive rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1-3:
the utility model provides a pair of oil gas well perforation is with no detonating cord perforating gun, connect 2, barrel 3, detonator 4, perforating bullet frame 5 and conducting rod 6 including contact pin 1, baffle, wherein:
the partition plate joint 2, the detonator 4 and the perforating bullet rack 5 are sequentially arranged in the gun barrel 3; the contact pin 1 is arranged on the partition plate joint 2;
the detonator 4 is arranged on the perforating charge frame 5 through a fixing hole arranged on the perforating charge frame 5; the conductive rod 6 is arranged on the perforating bullet frame 5 through a through hole on the perforating bullet frame 5;
one end of the conductive rod 6 is directly contacted with the detonator 4, and the other end is connected with the contact pin 1 through a conductive sheet.
As an alternative embodiment, one end of the gun barrel 3 is provided with internal threads, the other end of the gun barrel is provided with external threads, and a plurality of detonating cord-free perforating guns for oil and gas well perforation are fixedly connected through the internal threads and the external threads.
In an optional embodiment, the charge carrier 5 is further provided with at least 3 charge slots 501, and charges are installed in the charge slots 501.
In an alternative embodiment, the partition plate connector 2 is installed at the joint of two gun barrels 3, one end of a contact pin 1 installed on the partition plate connector 2 is in contact with a detonator 4 below, and the other end of the contact pin is connected with a conductive rod 6 installed on a perforating charge rack 5 above through a conductive sheet.
As an alternative embodiment, the detonator 4 adopts a high-resistance detonator, and a chip in the detonator 4 is in direct contact with the conductive rod 6.
In an alternative embodiment, the conductive sheet can be made of conventional metal sheet, and a suitable connector can be designed.
As an alternative embodiment, the detonator 4 is a selective detonator, the conductive rod 6 is contacted with a selective chip in the selective detonator assembly, and the other end of the conductive rod is contacted with the contact pin 1.
The utility model relates to an oil gas well perforation is with no detonating cord perforating gun working process as follows: the method comprises the steps of sequentially connecting a plurality of detonating cord-free perforating guns for oil and gas well perforation, connecting the detonating switch with a contact pin 1 on the perforating gun at the top of an oil well, turning on the detonating switch, transmitting current to a detonator 4 through the contact pin 1, transmitting the current to the contact pin 1 of the next perforating gun through a conductive rod 6 by the detonator 4, simultaneously detonating the detonator 4, and ejecting perforating charges in a perforating charge rack 5.
Claims (5)
1. A detonating cord-free perforating gun for oil-gas well perforation comprises a contact pin (1), a partition plate joint (2), a gun barrel (3), a detonator (4), a perforating bullet frame (5) and a conductive rod (6), and is characterized in that the partition plate joint (2), the detonator (4) and the perforating bullet frame (5) are sequentially arranged in the gun barrel (3); the contact pin (1) is arranged on the partition plate joint (2); the detonator (4) is arranged on the perforating charge frame (5) through a fixing hole arranged on the perforating charge frame (5); the conductive rod (6) is arranged on the perforating bullet frame (5) through a through hole on the perforating bullet frame (5); one end of the conductive rod (6) is directly contacted with the detonator (4), and the other end of the conductive rod is connected with the contact pin (1) through a conductive sheet.
2. The detonating cord-free perforating gun for perforating oil and gas wells as claimed in claim 1, wherein: one end of the gun barrel (3) is provided with an internal thread, the other end of the gun barrel is provided with an external thread, and the detonating fuse-free perforating guns for perforating a plurality of oil and gas wells are fixedly connected through the internal thread and the external thread.
3. The detonating cord-free perforating gun for perforating oil and gas wells as claimed in claim 2, wherein: the perforating charge frame (5) is further provided with at least 3 perforating charge grooves (501), and perforating charges are installed in the perforating charge grooves (501).
4. The detonating cord-free perforating gun for perforating oil and gas wells as claimed in claim 3, wherein: the partition plate joint (2) is arranged at the joint of the two gun barrels (3), one end of a contact pin (1) arranged on the partition plate joint (2) is contacted with a detonator (4) below, and the other end of the contact pin is connected with a conductive rod (6) arranged on a perforating bullet rack (5) above through a conductive sheet.
5. The detonating cord-free perforating gun for perforating oil and gas wells as claimed in claim 4, wherein: the detonator (4) adopts a high-resistance detonator, and a chip in the detonator (4) is in direct contact with the conductive rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022078313.2U CN212563188U (en) | 2020-09-21 | 2020-09-21 | Detonating cord-free perforating gun for oil-gas well perforation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022078313.2U CN212563188U (en) | 2020-09-21 | 2020-09-21 | Detonating cord-free perforating gun for oil-gas well perforation |
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| Publication Number | Publication Date |
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| CN212563188U true CN212563188U (en) | 2021-02-19 |
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| CN202022078313.2U Active CN212563188U (en) | 2020-09-21 | 2020-09-21 | Detonating cord-free perforating gun for oil-gas well perforation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946304A (en) * | 2020-09-21 | 2020-11-17 | 成都若克菲斯科技有限公司 | Detonating cord-free perforating gun for oil-gas well perforation |
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2020
- 2020-09-21 CN CN202022078313.2U patent/CN212563188U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946304A (en) * | 2020-09-21 | 2020-11-17 | 成都若克菲斯科技有限公司 | Detonating cord-free perforating gun for oil-gas well perforation |
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