CN210948614U - Quick-change perforating gun - Google Patents
Quick-change perforating gun Download PDFInfo
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- CN210948614U CN210948614U CN201921354364.4U CN201921354364U CN210948614U CN 210948614 U CN210948614 U CN 210948614U CN 201921354364 U CN201921354364 U CN 201921354364U CN 210948614 U CN210948614 U CN 210948614U
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- sleeve
- electrically conductive
- quick
- perforating gun
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Abstract
The utility model relates to a quick change perforating gun, it includes outer barrel (1), bullet frame pipe (2) and disposable connector (3), bullet frame pipe (2) set up in outer barrel (1), and two quick change perforating guns are connected through disposable connector (3). Be provided with electric connector (5) in disposable connector (3), electric connector (5) are including first electrically conductive contact pin (501), second electrically conductive probe (501), a plurality of electrically conductive spring and electrically conductive sleeve (504), bullet frame pipe (2) both ends are provided with positioning disk (4), be provided with electrically conductive round pin (403) on positioning disk (4), electrically conductive round pin (403) electricity at bullet frame pipe (2) both ends is connected, and when the perforating gun is connected, first electrically conductive contact pin (501) and second electrically conductive probe (501) insert in the counter bore of electrically conductive round pin (403). The utility model discloses a two elastic contact pilotage structures have simplified being connected between rifle and the rifle, have saved loaded down with trivial details operations such as ordinary perforation rifle need wiring in the trompil that connects.
Description
Technical Field
The utility model relates to a field, especially a quick change perforating gun are made to perforating gun.
Background
The perforating gun is an assembly of an equipment for perforating an oil-gas well and a matched set thereof, a plurality of perforating guns are connected in series and then are put into an oil well to explode and shoot off a stratum, and the perforating gun is widely applied to energy-gathering perforating guns at present and uses the energy-gathering phenomenon of explosion to generate energy-gathering jet flow to shoot off the stratum. The perforating gun comprises an outer gun barrel, a bullet frame pipe and a connecting joint, when a user uses the perforating gun, the user needs to perforate the perforating gun to connect a lead, add perforating bullets, detonating cords, detonators and connect a selective switch, the operation procedure is complicated, the installation of the perforating gun is long in time, and the production efficiency of construction in a slow well is improved. The connection joint both ends need carry out the wiring operation on the well joint of trompil after connecting outer barrel, and operating space is little wiring time is long, need pay out a large amount of time cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a need not the trompil wiring, save the perforation rifle of connect time.
The purpose of the utility model is realized through the following technical scheme: the utility model provides a quick change perforating gun, it includes outer barrel, bullet frame pipe and disposable connector, bullet frame pipe sets up in outer barrel, and two quick change perforating guns are connected through disposable connector, be provided with first step hole on the disposable connector, the downthehole electricity connector that inserts of step, bullet frame pipe both ends are provided with the positioning disk, the positioning disk is connected with the electric connector electricity.
The electric connector comprises a first conductive contact pin, a second conductive contact pin, an insulating shaft, a conductive sleeve, a limiting ring and a plurality of conductive springs, the two ends of the disposable connector are connected with the outer gun tube, the insulation shaft is inserted into the first step hole, the insulating shaft is provided with a second step hole, the first conductive contact pin passes through the second step hole, the conductive sleeve is inserted into the second step hole, a conductive spring is arranged between the first conductive contact pin and the conductive sleeve, a hole is arranged on the conductive sleeve, the second conductive contact pin is inserted into the hole, a conductive spring is also inserted into the hole, the limit sleeve is sleeved on the second conductive contact pin, the limit sleeve is inserted into the second stepped hole and abuts against the conductive sleeve, the limiting ring is connected with the inner wall of the first step hole and props against the insulating shaft, and the limiting sleeve and the second conductive contact pin penetrate through the center of the limiting ring.
The positioning disk comprises a fixing ring, an insulating sleeve and a conductive pin, the fixing ring is of a step shape, the small end of the diameter of the fixing ring is inserted into the elastic frame pipe, the insulating sleeve is inserted into the fixing ring, the conductive pin is inserted into the insulating sleeve, one end of the conductive pin is provided with an axial counter bore, a first conductive contact pin and a second conductive contact pin are inserted into the axial counter bore, the other end of the conductive pin is provided with a hole, and the conductive pin in the elastic frame pipe is electrically connected.
The disposable connector is characterized in that threads and a plurality of sealing grooves are arranged at two ends of the disposable connector, sealing rings are arranged in the sealing grooves, a step is arranged in the middle of the disposable connector, and a groove for fastening is formed in the step. The groove can be knocked to tighten the connection between the disposable connector and the outer gun barrel when the disposable connector and the outer gun barrel are screwed tightly.
And a plurality of sealing grooves are formed in the outer sides of the insulating shaft and the conductive sleeve, and sealing rings are arranged on the sealing grooves.
The end face of the limiting ring is provided with a plurality of counter bores for fastening. The limiting ring can be screwed by using an angle grinder wrench.
The fixing ring is provided with a limit screw, a key groove is formed in the outer gun tube, and the limit screw is clamped in the key groove.
The fixing ring is fixedly connected with the insulating sleeve through a pin. The insulating sleeve is prevented from rotating in the fixing ring.
The limiting sleeve is fixed in the conductive sleeve through a clamp spring and is an insulator.
The inner walls of the two ends of the outer gun tube are provided with clamp springs, and the bullet frame tube is fixed in the outer gun tube through the clamp springs.
The utility model has the advantages of it is following:
1. the disposable connector can be directly discarded after the operation is finished, so that the operation and maintenance cost is greatly saved;
2. the disposable gun and the disposable connector do not require separate assembly of the conductors within the perforating gun and the portions of the conductors within the connector. The double-elastic contact pin structure of the joint greatly simplifies the connection between the gun and the perforating gun when the perforating gun is put into the well, and a user only needs to directly connect the perforating gun and the disposable connector and does not need to perform complex operations such as wiring in the open hole of the joint.
Drawings
FIG. 1 is a schematic diagram of the configuration of two perforating guns in connection;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a schematic view of a disposable connector;
in the figure: 1-outer barrel, 2-cartridge holder tube, 3-disposable connector, 4-positioning disk, 5-electric connector, 401-fixing ring, 402-insulating sleeve, 403-conductive pin, 501-first conductive contact pin, 502-second conductive contact pin, 503-insulating shaft, 504-conductive sleeve, 505-limiting sleeve, 506-limiting ring.
Detailed Description
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 figures 1-4, a quick change perforating gun, it includes outer barrel 1, bullet frame pipe 2 and disposable connector 3, bullet frame pipe 2 sets up in outer barrel 1, and two quick change perforating guns are connected through disposable connector 3, be provided with first step hole on the disposable connector 3, step downthehole interpolation electric connector 5, 2 both ends of bullet frame pipe are provided with positioning disk 4, positioning disk 4 is connected with electric connector 5 electricity.
The electrical connector 5 comprises a first conductive contact pin 501, a second conductive contact pin 502, an insulating shaft 503, a conductive sleeve 504, a limiting sleeve 505, a limiting ring 506 and a plurality of conductive springs, wherein two ends of the disposable connector 3 are connected with the outer barrel 1, the insulating shaft 503 is inserted into the first stepped hole, the insulating shaft 503 is provided with a second stepped hole, the first conductive contact pin 501 passes through the second stepped hole, the conductive sleeve 504 is inserted into the second stepped hole, the conductive spring is arranged between the first conductive contact pin 501 and the conductive sleeve 504, the conductive sleeve 504 is provided with a hole, the second conductive contact pin 502 is inserted into the hole, the conductive spring is also inserted into the hole, the limiting sleeve 505 is sleeved on the second conductive contact pin 502, the limiting sleeve 505 is inserted into the second stepped hole and abuts against the conductive sleeve 504, the limiting ring 506 is connected with the inner wall of the first stepped hole and abuts against the insulating shaft 503, the retainer sleeve 505 and the second conductive contact pin 502 pass through the center of the retainer ring 506.
The positioning disk 4 comprises a fixing ring 401, an insulating sleeve 402 and a conductive pin 403, the fixing ring 401 is in a step shape, one end of the fixing ring 401 with a small diameter is inserted into the cartridge holder pipe 2, the insulating sleeve 402 is inserted into the fixing ring 401, the conductive pin 403 is inserted into the insulating sleeve 402, one end of the conductive pin 403 is provided with an axial counter bore, a first conductive contact pin 501 and a second conductive contact pin 502 are inserted into the axial counter bore, the other end of the conductive pin 403 is provided with a hole, and the conductive pin 403 in the cartridge holder pipe 2 is electrically connected with each other.
The disposable connector 3 both ends are provided with screw thread and a plurality of seal groove, be provided with the sealing washer in the seal groove, disposable connector 3 middle part is provided with the step, be provided with the recess that is used for the fastening on the step. When the disposable connector 3 is screwed with the outer gun tube 1, the groove can be knocked to tighten the connection between the disposable connector 3 and the outer gun tube 1.
A plurality of sealing grooves are formed in the outer sides of the insulating shaft 503 and the conductive sleeve 504, and sealing rings are arranged on the sealing grooves.
The end face of the limiting ring 506 is provided with a plurality of counter bores for fastening. The stop collar 506 may be tightened with an angle grinder wrench.
The fixing ring 401 is provided with a limit screw, a key groove is formed in the outer barrel 1, and the limit screw is clamped in the key groove. The fixing ring 401 is connected to the magazine tube 2 by screws.
The fixing ring 401 is fixedly connected with the insulating sleeve 402 through a pin. The insulating sleeve 402 is prevented from rotating within the fixing ring 401.
The limiting sleeve 505 is fixed in the conductive sleeve 504 through a clamp spring, and the limiting sleeve 505 is an insulator.
The inner walls of the two ends of the outer gun tube 1 are provided with clamp springs, and the bullet frame tube 2 is fixed in the outer gun tube 1 through the clamp springs.
The working process of the utility model is as follows: firstly, the positioning discs 4 at the two ends of the elastic frame tube 2 are checked to ensure that no foreign matter exists in the counter bores of the conductive pins 403 of the positioning discs 4, and then the first conductive probes 501 and the second conductive probes 502 at the two ends of the electric connector 5 in the disposable connector 3 are checked to ensure that no foreign matter is stained on the probes. Connect disposable connector 3 on outer barrel 1, beat the recess on the disposable connector 3 step after screwing up, make the connection of disposable connector 3 and outer barrel 1 more fasten, then connect outer barrel 1 at the disposable connector 3 other end with same mode, connect explosive and switch after receiving required length with the perforation rifle in this way, can go into the well construction.
Claims (10)
1. The utility model provides a quick change perforating gun, it includes outer barrel (1), bullet frame pipe (2) and disposable connector (3), bullet frame pipe (2) set up in outer barrel (1), and two quick change perforating guns are connected its characterized in that through disposable connector (3): be provided with first step hole on disposable connector (3), electric connector (5) are inserted in the step hole, bullet frame pipe (2) both ends are provided with positioning disk (4), positioning disk (4) are connected with electric connector (5) electricity.
2. The quick-change perforating gun of claim 1, wherein: the electric connector (5) comprises a first conductive contact pin (501), a second conductive contact pin (502), an insulating shaft (503), a conductive sleeve (504), a limiting sleeve (505), a limiting ring (506) and a plurality of conductive springs, wherein two ends of the disposable connector (3) are connected with the outer barrel (1), the insulating shaft (503) is inserted into the first stepped hole, the insulating shaft (503) is provided with a second stepped hole, the first conductive contact pin (501) penetrates through the second stepped hole, the conductive sleeve (504) is inserted into the second stepped hole, the conductive spring is arranged between the first conductive contact pin (501) and the conductive sleeve (504), the conductive sleeve (504) is provided with a hole, the second conductive contact pin (502) is inserted into the hole, the conductive spring is further inserted into the hole, the limiting sleeve (505) is sleeved on the second conductive contact pin (502), the limiting sleeve (505) is inserted into the second stepped hole and abuts against the conductive sleeve (504), the limiting ring (506) is connected with the inner wall of the first step hole and is propped against the insulating shaft (503), and the limiting sleeve (505) and the second conductive contact pin (502) penetrate through the center of the limiting ring (506).
3. The quick-change perforating gun of claim 1, wherein: positioning disk (4) are including solid fixed ring (401), insulating cover (402) and electrically conductive round pin (403), gu fixed ring (401) is the step form, gu fixed ring (401) one end that the diameter is little inserts bullet frame pipe (2), insulating cover (402) inserts in solid fixed ring (401), electrically conductive round pin (403) insert in insulating cover (402), electrically conductive round pin (403) one end is provided with the axial counter bore, and first electrically conductive contact pin (501) and second electrically conductive contact pin (502) insert in the axial counter bore, electrically conductive round pin (403) other end is provided with the hole, the wire in bullet frame pipe (2) is connected with electrically conductive round pin (403) electricity.
4. The quick-change perforating gun of claim 1, wherein: the disposable connector (3) is characterized in that threads and a plurality of sealing grooves are formed in two ends of the disposable connector (3), sealing rings are arranged in the sealing grooves, steps are arranged in the middle of the disposable connector (3), and grooves for fastening are formed in the steps.
5. The quick-change perforating gun of claim 2, wherein: and a plurality of sealing grooves are formed in the outer sides of the insulating shaft (503) and the conductive sleeve (504), and sealing rings are arranged on the sealing grooves.
6. The quick-change perforating gun of claim 2, wherein: the end face of the limiting ring (506) is provided with a plurality of counter bores for fastening.
7. The quick-change perforating gun of claim 3, wherein: the fixing ring (401) is provided with a limit screw, a key groove is formed in the outer barrel (1), and the limit screw is clamped in the key groove.
8. The quick-change perforating gun of claim 7, wherein: the fixing ring (401) is fixedly connected with the insulating sleeve (402) through a pin.
9. The quick-change perforating gun of claim 5, wherein: the limiting sleeve (505) is fixed in the conductive sleeve (504) through a clamp spring, and the limiting sleeve (505) is an insulator.
10. The quick-change perforating gun of claim 1, wherein: the inner walls of the two ends of the outer gun barrel (1) are provided with clamp springs, and the bullet frame tube (2) is fixed in the outer gun barrel (1) through the clamp springs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921354364.4U CN210948614U (en) | 2019-08-20 | 2019-08-20 | Quick-change perforating gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921354364.4U CN210948614U (en) | 2019-08-20 | 2019-08-20 | Quick-change perforating gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210948614U true CN210948614U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921354364.4U Active CN210948614U (en) | 2019-08-20 | 2019-08-20 | Quick-change perforating gun |
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| CN (1) | CN210948614U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424930A (en) * | 2019-08-20 | 2019-11-08 | 成都若克菲斯科技有限公司 | A kind of quick change perforating gun |
| US11293736B2 (en) | 2015-03-18 | 2022-04-05 | DynaEnergetics Europe GmbH | Electrical connector |
-
2019
- 2019-08-20 CN CN201921354364.4U patent/CN210948614U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11293736B2 (en) | 2015-03-18 | 2022-04-05 | DynaEnergetics Europe GmbH | Electrical connector |
| US11906279B2 (en) | 2015-03-18 | 2024-02-20 | DynaEnergetics Europe GmbH | Electrical connector |
| CN110424930A (en) * | 2019-08-20 | 2019-11-08 | 成都若克菲斯科技有限公司 | A kind of quick change perforating gun |
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