CN110424930A - A kind of quick change perforating gun - Google Patents
A kind of quick change perforating gun Download PDFInfo
- Publication number
- CN110424930A CN110424930A CN201910770376.3A CN201910770376A CN110424930A CN 110424930 A CN110424930 A CN 110424930A CN 201910770376 A CN201910770376 A CN 201910770376A CN 110424930 A CN110424930 A CN 110424930A
- Authority
- CN
- China
- Prior art keywords
- quick change
- connector
- hole
- perforating gun
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010304 firing Methods 0.000 claims abstract description 26
- 238000003780 insertion Methods 0.000 claims abstract description 9
- 230000037431 insertion Effects 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims description 31
- 238000007789 sealing Methods 0.000 claims description 5
- 239000012212 insulator Substances 0.000 claims description 3
- 239000000523 sample Substances 0.000 abstract description 5
- 230000001186 cumulative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/11—Perforators; Permeators
- E21B43/116—Gun or shaped-charge perforators
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/11—Perforators; Permeators
- E21B43/119—Details, e.g. for locating perforating place or direction
Abstract
The present invention relates to a kind of quick change perforating guns, it includes outer gun barrel (1), firing mount pipe (2) and disposable connector (3), and the firing mount pipe (2) is set in outer gun barrel (1), and two quick change perforating guns are connected by disposable connector (3).Electric connector (5) are provided in the disposable connector (3), electric connector (5) includes the first conductive contact pin (501), the second conducting probe (501), multiple power springs and conducting sleeve (504), firing mount pipe (2) both ends are provided with positioning disk (4), conductive pin (403) are provided on the positioning disk (4), the conductive pin (403) at firing mount pipe (2) both ends is electrically connected, in perforating gun connection, in the counterbore of the first conductive contact pin (501) and the second conducting probe (501) insertion conductive pin (403).The present invention simplifies the connection between rifle and rifle by double elastic contact pin arrangements, saves common perforating gun and needs the cumbersome operation such as wiring in the aperture of connector.
Description
Technical field
The present invention relates to perforating gun manufacturing field, especially a kind of quick change perforating gun.
Background technique
Perforating gun is the assembly of the equipment and its auxiliary equipment for perforating oil gas well, more perforating guns be together in series after under
Enter in oil well explosion and penetrate out stratum, generates cumulative using wide at present with the cumulative phenomenon of fried flower and penetrate for jet perforating rifle
Stream, penetrates out stratum.The outer gun barrel of perforating gun packet, firing mount pipe and jointing, user needed when using perforating gun to perforating gun into
Row aperture connects lead, addition perforating bullet, primacord, detonator and connection and publishes switch, operation sequence very complicated, perforating gun installation
Time-consuming, drags the production efficiency constructed in slow well.Jointing both ends need on the center tap of aperture after connecting outer gun barrel
Line operation is carried out, the small setting up time in operating space is long, needs to pay a large amount of time cost.
Summary of the invention
The purpose of the present invention is to overcome the shortcomings of the existing technology, provides a kind of without aperture wiring, saving Connection Time
Perforating gun.
The purpose of the present invention is achieved through the following technical solutions: a kind of quick change perforating gun, it includes outer gun barrel, firing mount pipe
With disposable connector, the firing mount pipe is set in outer gun barrel, and two quick change perforating guns are connected by disposable connector, institute
It states and is provided with first step hole on disposable connector, electric connector is inserted into stepped hole, firing mount pipe both ends are provided with fixed
Position disk, the positioning disk are electrically connected with electric connector.
The electric connector includes the first conductive contact pin, the second conductive contact pin, shaft insulation, conducting sleeve, spacing collar, limit
Position ring and multiple power springs, the disposable connector both ends are connect with outer gun barrel, and the shaft insulation is inserted into first step hole
It is interior, it is provided with second step hole on the shaft insulation, the first conductive contact pin passes through second step hole, the conducting sleeve insertion the
In two stepped holes, it is provided with power spring between first conductive contact pin and conducting sleeve, is provided on the conducting sleeve
Hole, the second conductive contact pin insert in the hole, and also inserted with power spring in hole, the spacing collar is placed on the second conductive contact pin,
In spacing collar insertion second step hole and conducting sleeve is resisted, the stop collar connect and resists with first step hole inner wall
Shaft insulation, spacing collar and the second conductive contact pin are passed through from stop collar center.
The positioning disk includes fixed ring, insulation sleeve and conductive pin, and the fixed ring is step-like, the fixed ring diameter
Firing mount pipe is inserted into small one end, and the insulation sleeve is inserted into fixed ring, in the conductive pin insertion insulation sleeve, the conductive pin one
End is provided with axial counterbore, and the first conductive contact pin and the second conducting wire contact pilotage are inserted into axial counterbore, and the conductive pin other end is set
It is equipped with hole, the conductive pin electrical connection in the firing mount pipe.
The disposable connector both ends are provided with screw thread and multiple seal grooves, are provided with sealing ring in the seal groove,
It is provided with step in the middle part of the disposable connector, the groove for fastening is provided on the step.In disposable connector
Groove can be beaten when screwing with outer gun barrel screw thread to step up the connection of disposable connector Yu outer gun barrel.
Multiple seal grooves are provided on the outside of the shaft insulation and conducting sleeve, are provided with sealing ring on the seal groove.
Multiple counterbores having for fastening are set on the stop collar end face.Stop collar can be revolved with angle grinder spanner
Tightly.
Stop screw is provided in the fixed ring, the outer gun barrel is internally provided with keyway, and the stop screw is stuck in
In keyway.
The fixed ring is fixedly connected with insulation sleeve by pin.Prevent insulation sleeve from rotating in fixed ring.
The spacing collar is fixed in conducting sleeve by circlip, and the spacing collar is insulator.
It is provided with circlip on the outer gun barrel both ends inner wall, firing mount pipe is fixed in outer gun barrel by circlip.
The invention has the following advantages that
1, disposable connector can be abandoned directly after the completion of operation, greatly save the cost of operation maintenance；
2, disposable rifle and disposable connector do not have to the wire portion inside the conducting wire and connector in individually assembling perforating gun
Point.Double elastic contact pin arrangements of connector when going into the well, also greatly simplify the connection between rifle and rifle, and user only needs directly to
Perforating gun and disposable connector connect, it is no longer necessary to the cumbersome operation such as wiring in the aperture of connector.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of two perforating guns connection；
Fig. 2 is the cross-sectional view of Fig. 1；
Fig. 3 is the enlarged drawing in Fig. 2 at A；
Fig. 4 is disposable connector structural schematic diagram；
In figure: the outer gun barrel of 1-, 2- firing mount pipe, the disposable connector of 3-, 4- positioning disk, 5- electric connector, 401- fixed ring, 402-
Insulation sleeve, 403- conductive pin, the first conductive contact pin of 501-, the second conductive contact pin of 502-, 503- shaft insulation, 504- conducting sleeve,
505- spacing collar, 506- stop collar.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing, but protection scope of the present invention is not limited to following institute
It states.
As shown in Fig. 1 ~ 4, a kind of quick change perforating gun, it includes outer gun barrel 1, firing mount pipe 2 and disposable connector 3, described
Firing mount pipe 2 is set in outer gun barrel 1, and two quick change perforating guns are connected by disposable connector 3, the disposable connector 3
On be provided with first step hole, electric connector 5 is inserted into stepped hole, 2 both ends of firing mount pipe are provided with positioning disk 4, described fixed
Position disk 4 is electrically connected with electric connector 5.
The electric connector 5 includes the first conductive contact pin 501, the second conductive contact pin 502, shaft insulation 503, conducting sleeve
504, spacing collar 505, stop collar 506 and multiple power springs, disposable 3 both ends of connector are connect with outer gun barrel 1, institute
It states shaft insulation 503 to be inserted into first step hole, second step hole is provided on the shaft insulation 503, the first conductive contact pin 501 is worn
Second step hole is crossed, the conducting sleeve 504 is inserted into second step hole, first conductive contact pin 501 and conducting sleeve 504
Between be provided with power spring, hole is provided on the conducting sleeve 504, the second conductive contact pin 502 inserts in the hole, in hole also insert
Entering has power spring, and the spacing collar 505 is placed on the second conductive contact pin 502, and spacing collar 505 is inserted into second step hole
And conducting sleeve 504 is resisted, the stop collar 506 connect with first step hole inner wall and resists shaft insulation 503, spacing collar
505 and second conductive contact pin 502 passed through from 506 center of stop collar.
The positioning disk 4 include fixed ring 401, insulation sleeve 402 and conductive pin 403, the fixed ring 401 be it is step-like,
Firing mount pipe 2 is inserted into the small one end of 401 diameter of fixed ring, and the insulation sleeve 402 is inserted into fixed ring 401, the conductive pin
In 403 insertion insulation sleeves 402, described 403 one end of conductive pin is provided with axial counterbore, the first conductive contact pin 501 and the second conducting wire
Contact pilotage 502 is inserted into axial counterbore, and 403 other end of conductive pin is provided with hole, the conductive pin 403 in the firing mount pipe 2 it
Between be electrically connected.
3 both ends of disposable connector are provided with screw thread and multiple seal grooves, are provided with sealing ring in the seal groove,
It is provided with step in the middle part of the disposable connector 3, the groove for fastening is provided on the step.In disposable connector
3 can beat groove when screwing with outer 1 screw thread of gun barrel to step up the connection of disposable connector 3 and outer gun barrel 1.
It is provided with multiple seal grooves on the outside of the shaft insulation 503 and conducting sleeve 504, is provided on the seal groove close
Seal.
Multiple counterbores having for fastening are set on 506 end face of stop collar.Angle grinder spanner can be used stop collar
506 screw.
Stop screw is provided in the fixed ring 401, the outer gun barrel 1 is internally provided with keyway, the stop screw
It is stuck in keyway.Fixed ring 401 is connect by screw with firing mount pipe 2.
The fixed ring 401 is fixedly connected with insulation sleeve 402 by pin.Prevent insulation sleeve 402 in 401 inward turning of fixed ring
Turn.
The spacing collar 505 is fixed in conducting sleeve 504 by circlip, and the spacing collar 505 is insulator.
It is provided with circlip on the 1 both ends inner wall of outer gun barrel, firing mount pipe 2 is fixed in outer gun barrel 1 by circlip.
The course of work of the invention is as follows: first checking for the positioning disk 4 at 2 both ends of firing mount pipe, it is ensured that the conductive pin of positioning disk 4
Foreign in 403 counterbores, the first conducting probe 501 and second for reexamining 5 both ends of electric connector in disposable connector 3 are conductive
Probe 502, it is ensured that without contamination foreign matter on probe.Disposable connector 3 is connected on outer gun barrel 1, is beaten after tightening primary
Groove on property 3 step of connector, fastens the connection of disposable connector 3 and outer gun barrel 1 more, then in the same way
Outer gun barrel 1 is connected in disposable 3 other end of connector, perforating gun is connected to by this method after needing length and is connected explosive and open
It closes, well construction can be descended.
Claims (10)
1. a kind of quick change perforating gun, it includes outer gun barrel (1), firing mount pipe (2) and disposable connector (3), the firing mount pipe (2)
It is set in outer gun barrel (1), two quick change perforating guns are connected by disposable connector (3), it is characterised in that: described disposable
It is provided with first step hole on connector (3), is inserted into electric connector (5) in stepped hole, firing mount pipe (2) both ends are provided with fixed
Position disk (4), the positioning disk (4) are electrically connected with electric connector (5).
2. a kind of quick change perforating gun according to claim 1, it is characterised in that: the electric connector (5) is led including first
Electric contact pilotage (501), the second conductive contact pin (502), shaft insulation (503), conducting sleeve (504), spacing collar (505), stop collar
(506) it is connect with multiple power springs, disposable connector (3) both ends with outer gun barrel (1), the shaft insulation (503) is inserted
Enter in first step hole, second step hole is provided on the shaft insulation (503), the first conductive contact pin (501) passes through second
Rank hole, in the conducting sleeve (504) insertion second step hole, first conductive contact pin (501) and conducting sleeve (504) it
Between be provided with power spring, hole is provided on the conducting sleeve (504), the second conductive contact pin (502) inserts in the hole, in hole also
Inserted with power spring, the spacing collar (505) is placed on the second conductive contact pin (502), spacing collar (505) insertion second
It in stepped hole and resists conducting sleeve (504), the stop collar (506) connect with first step hole inner wall and resists shaft insulation
(503), spacing collar (505) and the second conductive contact pin (502) are passed through from stop collar (506) center.
3. a kind of quick change perforating gun according to claim 1, it is characterised in that: the positioning disk (4) includes fixed ring
(401), insulation sleeve (402) and conductive pin (403), the fixed ring (401) be it is step-like, fixed ring (401) diameter is small
One end be inserted into firing mount pipe (2), in the insulation sleeve (402) insertion fixed ring (401), conductive pin (403) the insertion insulation
It covers in (402), described conductive pin (403) one end is provided with axial counterbore, the first conductive contact pin (501) and the second conducting wire contact pilotage
(502) it is inserted into axial counterbore, conductive pin (403) other end is provided with hole, the conductive pin in the firing mount pipe (2)
(403) it is electrically connected.
4. a kind of quick change perforating gun according to claim 1, it is characterised in that: disposable connector (3) both ends are set
It is equipped with screw thread and multiple seal grooves, sealing ring is provided in the seal groove, is provided with platform in the middle part of the disposable connector (3)
Rank is provided with the groove for fastening on the step.
5. a kind of quick change perforating gun according to claim 1, it is characterised in that: the shaft insulation (503) and conducting sleeve
(504) outside is provided with multiple seal grooves, is provided with sealing ring on the seal groove.
6. a kind of quick change perforating gun according to claim 1, it is characterised in that: be arranged on stop collar (506) end face
Multiple counterbores having for fastening.
7. a kind of quick change perforating gun according to claim 1, it is characterised in that: be arranged on the fixed ring (401) limited
Position screw, the outer gun barrel (1) are internally provided with keyway, and the stop screw is stuck in keyway.
8. a kind of quick change perforating gun according to claim 1, it is characterised in that: the fixed ring (401) and insulation sleeve
(402) it is fixedly connected by pin.
9. a kind of quick change perforating gun according to claim 1, it is characterised in that: the spacing collar (505) passes through circlip
It is fixed in conducting sleeve (504), the spacing collar (505) is insulator.
10. a kind of quick change perforating gun according to claim 1, it is characterised in that: set on outer gun barrel (1) the both ends inner wall
It is equipped with circlip, firing mount pipe (2) is fixed in outer gun barrel (1) by circlip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910770376.3A CN110424930A (en) | 2019-08-20 | 2019-08-20 | A kind of quick change perforating gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910770376.3A CN110424930A (en) | 2019-08-20 | 2019-08-20 | A kind of quick change perforating gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110424930A true CN110424930A (en) | 2019-11-08 |
Family
ID=68415322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910770376.3A Pending CN110424930A (en) | 2019-08-20 | 2019-08-20 | A kind of quick change perforating gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110424930A (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946305A (en) * | 2020-09-21 | 2020-11-17 | 成都若克菲斯科技有限公司 | Multi-stage selective-firing perforating system for oil-gas well perforation |
| 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 |
| US10845177B2 (en) | 2018-06-11 | 2020-11-24 | DynaEnergetics Europe GmbH | Conductive detonating cord for perforating gun |
| US10844696B2 (en) | 2018-07-17 | 2020-11-24 | DynaEnergetics Europe GmbH | Positioning device for shaped charges in a perforating gun module |
| USD904475S1 (en) | 2020-04-29 | 2020-12-08 | DynaEnergetics Europe GmbH | Tandem sub |
| USD908754S1 (en) | 2020-04-30 | 2021-01-26 | DynaEnergetics Europe GmbH | Tandem sub |
| US10927627B2 (en) | 2019-05-14 | 2021-02-23 | DynaEnergetics Europe GmbH | Single use setting tool for actuating a tool in a wellbore |
| US10982941B2 (en) | 2015-03-18 | 2021-04-20 | DynaEnergetics Europe GmbH | Pivotable bulkhead assembly for crimp resistance |
| USD921858S1 (en) | 2019-02-11 | 2021-06-08 | DynaEnergetics Europe GmbH | Perforating gun and alignment assembly |
| US11225848B2 (en) | 2020-03-20 | 2022-01-18 | DynaEnergetics Europe GmbH | Tandem seal adapter, adapter assembly with tandem seal adapter, and wellbore tool string with adapter assembly |
| US11255147B2 (en) | 2019-05-14 | 2022-02-22 | DynaEnergetics Europe GmbH | Single use setting tool for actuating a tool in a wellbore |
| US11293736B2 (en) | 2015-03-18 | 2022-04-05 | DynaEnergetics Europe GmbH | Electrical connector |
| CN114753809A (en) * | 2022-06-16 | 2022-07-15 | 大庆华翰邦石油科技有限公司 | Shale reservoir high-pressure self-orienting clustering perforator |
| US11578549B2 (en) | 2019-05-14 | 2023-02-14 | DynaEnergetics Europe GmbH | Single use setting tool for actuating a tool in a wellbore |
| US11753889B1 (en) | 2022-07-13 | 2023-09-12 | DynaEnergetics Europe GmbH | Gas driven wireline release tool |
| CN116950615A (en) * | 2023-09-19 | 2023-10-27 | 成都若克石油技术开发有限公司 | Internal blind hole cluster type perforating gun |
| USD1010758S1 (en) | 2019-02-11 | 2024-01-09 | DynaEnergetics Europe GmbH | Gun body |
| USD1019709S1 (en) | 2019-02-11 | 2024-03-26 | DynaEnergetics Europe GmbH | Charge holder |
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Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10982941B2 (en) | 2015-03-18 | 2021-04-20 | DynaEnergetics Europe GmbH | Pivotable bulkhead assembly for crimp resistance |
| US11906279B2 (en) | 2015-03-18 | 2024-02-20 | DynaEnergetics Europe GmbH | Electrical connector |
| US11293736B2 (en) | 2015-03-18 | 2022-04-05 | DynaEnergetics Europe GmbH | Electrical connector |
| US10845177B2 (en) | 2018-06-11 | 2020-11-24 | DynaEnergetics Europe GmbH | Conductive detonating cord for perforating gun |
| US11385036B2 (en) | 2018-06-11 | 2022-07-12 | DynaEnergetics Europe GmbH | Conductive detonating cord for perforating gun |
| US11525344B2 (en) | 2018-07-17 | 2022-12-13 | DynaEnergetics Europe GmbH | Perforating gun module with monolithic shaped charge positioning device |
| US11773698B2 (en) | 2018-07-17 | 2023-10-03 | DynaEnergetics Europe GmbH | Shaped charge holder and perforating gun |
| US10920543B2 (en) | 2018-07-17 | 2021-02-16 | DynaEnergetics Europe GmbH | Single charge perforating gun |
| US10844696B2 (en) | 2018-07-17 | 2020-11-24 | DynaEnergetics Europe GmbH | Positioning device for shaped charges in a perforating gun module |
| US11339632B2 (en) | 2018-07-17 | 2022-05-24 | DynaEnergetics Europe GmbH | Unibody gun housing, tool string incorporating same, and method of assembly |
| USD935574S1 (en) | 2019-02-11 | 2021-11-09 | DynaEnergetics Europe GmbH | Inner retention ring |
| USD1019709S1 (en) | 2019-02-11 | 2024-03-26 | DynaEnergetics Europe GmbH | Charge holder |
| USD921858S1 (en) | 2019-02-11 | 2021-06-08 | DynaEnergetics Europe GmbH | Perforating gun and alignment assembly |
| USD1010758S1 (en) | 2019-02-11 | 2024-01-09 | DynaEnergetics Europe GmbH | Gun body |
| US11255147B2 (en) | 2019-05-14 | 2022-02-22 | DynaEnergetics Europe GmbH | Single use setting tool for actuating a tool in a wellbore |
| US11578549B2 (en) | 2019-05-14 | 2023-02-14 | DynaEnergetics Europe GmbH | Single use setting tool for actuating a tool in a wellbore |
| US10927627B2 (en) | 2019-05-14 | 2021-02-23 | DynaEnergetics Europe GmbH | Single use setting tool for actuating a tool in a wellbore |
| US11814915B2 (en) | 2020-03-20 | 2023-11-14 | DynaEnergetics Europe GmbH | Adapter assembly for use with a wellbore tool string |
| US11225848B2 (en) | 2020-03-20 | 2022-01-18 | DynaEnergetics Europe GmbH | Tandem seal adapter, adapter assembly with tandem seal adapter, and wellbore tool string with adapter assembly |
| USD904475S1 (en) | 2020-04-29 | 2020-12-08 | DynaEnergetics Europe GmbH | Tandem sub |
| USD920402S1 (en) | 2020-04-30 | 2021-05-25 | DynaEnergetics Europe GmbH | Tandem sub |
| USD908754S1 (en) | 2020-04-30 | 2021-01-26 | DynaEnergetics Europe GmbH | Tandem sub |
| CN111946305A (en) * | 2020-09-21 | 2020-11-17 | 成都若克菲斯科技有限公司 | Multi-stage selective-firing perforating system for oil-gas well perforation |
| 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 |
| CN114753809A (en) * | 2022-06-16 | 2022-07-15 | 大庆华翰邦石油科技有限公司 | Shale reservoir high-pressure self-orienting clustering perforator |
| US11753889B1 (en) | 2022-07-13 | 2023-09-12 | DynaEnergetics Europe GmbH | Gas driven wireline release tool |
| CN116950615A (en) * | 2023-09-19 | 2023-10-27 | 成都若克石油技术开发有限公司 | Internal blind hole cluster type perforating gun |
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