CN208380557U - Multilayer once detonation perforating system - Google Patents
Multilayer once detonation perforating system Download PDFInfo
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- CN208380557U CN208380557U CN201820889656.7U CN201820889656U CN208380557U CN 208380557 U CN208380557 U CN 208380557U CN 201820889656 U CN201820889656 U CN 201820889656U CN 208380557 U CN208380557 U CN 208380557U
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Abstract
A kind of multilayer once detonation perforating system of the utility model, it is related to oil well perforating technology field, pipe nipple is oriented to including perforating gun string and caber, perforating gun string includes multi-stage perforator rifle string and single-stage perforating gun string, caber is oriented to pipe nipple and connects multi-stage perforator rifle string, multi-stage perforator rifle string is connected with oil pipe, oil pipe connecting short section structure, pipe nipple structure is sequentially connected the multi-stage perforator rifle string of next stage, oil pipe and pipe nipple structure, the pipe nipple structure of least significant end connects single-stage perforating gun string, single-stage perforating gun string connects gun breech, each multi-stage perforator rifle string successively circuit connection, afterbody multi-stage perforator rifle string and single-stage perforating gun string circuit connection.The utility model construction cost is low, and operation difficulty is small, is docked using transmission of electricity caber with spearhead, power supply is provided for perforating system, electric energy a part is delivered to next stage for the level-one electric cap that detonates, another part, and then realize that multistage is detonated simultaneously, reach the one step completed purpose of multilayer perforation.
Description
Technical field
The utility model relates to oil well perforating technology field more particularly to a kind of multilayer once detonation perforating systems.
Background technique
In oilfield exploitation, perforation is last procedure of oilfield exploitation.Multi-section multi-layer oil tube conveying gun perforation is constructed at present
The main detonation mode using percussion primer or pressure detonator carries out detonation construction, these perforating modes are layering single
Explosion, and perforating elements can not be recycled, and the cost of oilfield exploitation is improved.Meanwhile to straight well, inclined shaft, horizontal well etc.
When different types of oil well carries out perforation, different initiator devices is needed, the cost of oilfield exploitation is further improved.
Summary of the invention
The utility model provides a kind of multilayer once detonation perforating system for above-mentioned the deficiencies in the prior art.
The multilayer once detonation perforating system of the utility model, including perforating gun string and caber are oriented to pipe nipple, and described penetrates
Hole rifle string includes multi-stage perforator rifle string and single-stage perforating gun string, and caber is oriented to pipe nipple and connects multi-stage perforator rifle string, multi-stage perforator rifle
String is connected with oil pipe, and oil pipe connecting short section structure, pipe nipple structure is sequentially connected multi-stage perforator rifle string, oil pipe and the pipe nipple of next stage
Structure, the pipe nipple structure of least significant end connect single-stage perforating gun string, and single-stage perforating gun string connects gun breech, and each multi-stage perforator rifle string is successively
Circuit connection, afterbody multi-stage perforator rifle string and single-stage perforating gun string circuit connection.
The multi-stage perforator rifle string is by spearhead conductive component, multistage rifle as a further improvement of the utility model,
Head, perforating gun I, middle section connector, perforating gun II, storage cable device connector and storage cable device crossover sub are constituted, the spearhead conduction group
The head of part is equipped with spearhead, and spearhead is connected with caber guiding pipe nipple, and the tail portion of spearhead conductive component is connected with multistage pipette tips, multistage
Pipette tips connect perforating gun I, and connector is saved in the connection of perforating gun I, and middle section connector connects perforating gun II, perforating gun II and storage cable device connector
It is connected, storage cable device connector is connected by storage cable device pipe nipple with storage cable device crossover sub, and storage cable device crossover sub is connected with oil pipe.
The head of the multistage pipette tips is equipped with conducting wire connector as a further improvement of the utility model, and branch leads
Line connector is internally provided with votage control switch, and conducting wire connector is connected with spearhead conductive component circuit by spearhead electric lead, is led
Line connector is electrically connected votage control switch, and votage control switch drives detonator, and detonator and detonating primer I are opposite;The offset connection
One end of head is connected by spearhead offset with spearhead conductive component circuit, the other end passes through the lance of multistage conducting wire and next stage
The spearhead circuit connection of head conductive component.
The inside of the perforating gun I is equipped with firing mount I as a further improvement of the utility model, and detonating primer I passes through copper
Conductive contact piece is opposite with one end of firing mount I.
The inside of the middle section connector is equipped with detonating primer III, detonating primer II as a further improvement of the utility model,
With righting pipe, firing mount I is opposite with one end of detonating primer III, and the other end and detonating primer II of detonating primer III are opposite, III He of detonating primer
The outside of detonating primer II is cased with righting pipe, and spring, the inner wall of spring clamping and middle section connector are cased on the outside of righting pipe.
The inside of the perforating gun II is equipped with firing mount II, firing mount II and biography as a further improvement of the utility model,
Booster II is opposite, and perforating gun II is connected with storage cable device connector.
The single-stage perforating gun string is by single-stage pipette tips, single-stage perforating gun as a further improvement of the utility model,
I, connector being saved in single-stage and single-stage perforating gun II being connected in sequence, the head in single-stage pipette tips is equipped with single-stage conducting wire connector
It is electrically connected single-stage votage control switch, the single-stage perforating gun II and the connected other structures of gun breech are identical as multi-stage perforator rifle string,
Difference is only that single-stage conducting wire connector.
The pipe nipple structure is to connect device stop pipe nipple and multistage pipette tips by latent as a further improvement of the utility model,
Pipe nipple is end to end to be formed, and the latent head connected pipes for connecing device stop pipe nipple, the tail end connection next stage of multistage pipette tips pipe nipple are more
Grade perforation string or single-stage perforating gun string.
The tail portion connected pipes of the perforating gun string, oil pipe continue to connect as a further improvement of the utility model,
The tail portion of next stage perforating gun string, the perforating gun string of afterbody connects gun breech;The perforating gun string be oriented to by caber it is short
Section, multistage pipette tips, perforating gun and classification hot-line connector are connected in sequence.
The multilayer once detonation perforating system of the utility model, construction cost is low, and operation difficulty is small, utilizes transmission of electricity caber
It is docked with spearhead, provides power supply for perforating system, for the level-one electric cap that detonates, another part is delivered to next electric energy a part
Grade, and then realize that multistage is detonated simultaneously, reach the one step completed purpose of multilayer perforation.Meanwhile being suitable for straight well, inclined shaft, level
The different types of oil well such as well, greatly reduces construction cost.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is part A multi-stage perforator rifle string structure schematic diagram in Fig. 1;
Fig. 3 is D part-structure enlarged drawing in Fig. 2;
Fig. 4 is E part-structure enlarged drawing in Fig. 2
Fig. 5 is part B pipe nipple structural schematic diagram in Fig. 1;
Fig. 6 is C portion single-stage perforating gun string structural schematic diagram in Fig. 1;
Fig. 7 is the schematic diagram of the utility model another kind structure.
In figure: A is multi-stage perforator rifle string, and B is pipe nipple structure, and C is single-stage perforating gun string.
Specific embodiment
As shown in Figure 1, the multilayer once detonation perforating system of the utility model, is sequentially connected by multi-stage perforator rifle string A
Pipe nipple structure B and single-stage perforating gun string C is constituted, as shown in Figure 1.
As shown in Fig. 2, the multi-stage perforator rifle string is by spearhead conductive component 3, multistage pipette tips 5, perforating gun I 9, middle section
Connector 11, perforating gun II 27, storage cable device connector 17 and storage cable device crossover sub 19 are constituted, the head of the spearhead conductive component 3
Portion is equipped with spearhead 2, and spearhead 2 is threadedly coupled with caber guiding pipe nipple 1, and spearhead 2 provides electricity for connecting transmission of electricity caber, to equipment
Source, caber are oriented to pipe nipple 1 and are used to guarantee that transmission of electricity caber can be docked accurately with spearhead 2, and then provide electricity for transmission of electricity caber guiding
Energy;The tail portion of spearhead conductive component 3 is threadedly coupled with multistage pipette tips 5, and multistage pipette tips 5 are for shunting power supply, control explosion and biography
Lead explosion;Multistage pipette tips 5 are threadedly coupled perforating gun I 9, and the inside of the perforating gun I 9 is equipped with firing mount I 10, and detonating primer I 8 passes through
It is opposite with one end of firing mount I 10;Perforating gun I 9 saves connector 11 in being threadedly coupled, and the inside of the middle section connector 11 is equipped with propagation of explosion
Pipe III 14, detonating primer II 15 and righting pipe 12, firing mount I 10 is opposite with one end of detonating primer III 14 (such as Fig. 4), detonating primer III 14
The other end is utilized with detonating primer II 15 relatively, and the outside of detonating primer III 14 and detonating primer II 15 is cased with righting pipe 12, righting pipe 12
Outside be cased with spring 13, the inner wall of spring 13 clamping and middle section connector 11, middle section connector 11 is threadedly coupled perforating gun II 27, institute
The inside for the perforating gun II 27 stated is equipped with firing mount II 29, and firing mount II 29 and detonating primer II 15 are opposite, firing mount I 10 and firing mount II 29
Both ends are equipped with positioning disk 16, and guarantee is fixed with firing mount I 10 and II 29 position of firing mount;Copper conduction is equipped on positioning disk 16 simultaneously
Contact 28 is used for righting detonating primer I 8, detonating primer III 14 and detonating primer II 15;Bullet is equipped on firing mount I 10 and firing mount II 29
Frame aperture loads shell on firing mount hole, has fuse cord in shell, be wrapped on shell, the both ends of fuse cord are separately connected detonating primer
III 14 and detonating primer II 15;Perforating gun II 27 is connected with storage 17 screw thread of cable device connector;It stores up cable device connector 17 and passes through storage cable device pipe nipple
18 are threadedly coupled with storage cable device crossover sub 19, and storage cable device crossover sub 19 is threadedly coupled with oil pipe 20, and oil pipe 20 is threadedly coupled
Pipe nipple structure;As shown in figure 5, the pipe nipple structure is to connect device stop pipe nipple 21 and multistage pipette tips pipe nipple 22 is end to end by latent
It forms, the threads connection next stage of the latent head threads connected pipes 20 for connecing device stop pipe nipple 21, multistage pipette tips pipe nipple 22
Multi-stage perforator string, the pipe nipple structure of least significant end connect single-stage perforating gun string, and single-stage perforating gun string connects gun breech 30, each multi-stage perforator
Rifle string successively circuit connection, afterbody multi-stage perforator rifle string and single-stage perforating gun string circuit connection.
As shown in figure 3, the head of the multistage pipette tips 5 is equipped with conducting wire connector 26 and offset connector 4, in it
Portion is equipped with votage control switch 6, and conducting wire connector 26 is connected by spearhead electric lead 24 with 3 circuit of spearhead conductive component, conducting wire connection
First 26 electrical connection votage control switch 6, votage control switch 6 drive detonator 7, and detonator 7 and detonating primer I 8 are opposite;The outside of detonator 7 is equipped with wall
Quick-fried body 25, for place detonator 7 by the external world influence and occur accidentally it is quick-fried;One end of the offset connector 4 passes through lance
The spearhead conduction group that head offset 23 is connected with 3 circuit of spearhead conductive component, the other end passes through multistage conducting wire 31 and next stage
2 circuit connection of spearhead of part 3.
As shown in fig. 6, the single-stage perforating gun string is penetrated by single-stage spearhead conductive component 39, single-stage pipette tips 32, single-stage
Connector 34 is saved in hole rifle I 33, single-stage and single-stage perforating gun II 35 is connected in sequence, and the head in single-stage pipette tips 32 is equipped with single
Grade conducting wire connector 36 is electrically connected single-stage votage control switch 37, and the single-stage perforating gun II 35 is connected with gun breech 30, single-stage pipette tips
Other structures inside 32 are identical as multi-stage perforator rifle string, and difference is only that single-stage conducting wire connector 36, this is because clicking
Perforating gun string is afterbody rifle string, and the rear part only needs a single-stage conducting wire without reconnecting next stage perforating elements
Connector 36 is powered for the same level, guarantees the detonator blasting of the same level.
The multi-stage perforator rifle string of upper level is powered to next stage multi-stage perforator rifle string by conducting wire 31, and conducting wire 31 is by upper
The offset connector 4 of level-one sequentially passes through multistage pipette tips 5, firing mount I 10, middle section connector 11, firing mount II 29, storage cable device connector
17, it stores up cable device pipe nipple 18, storage cable device crossover sub 19, oil pipe 20, latent connect device stop pipe nipple 21 and multistage pipette tips pipe nipple 22, connection
It is using spearhead conductive component 3 that electric energy is defeated after the spearhead 2 of next stage is powered to the spearhead 2 of the multi-stage perforator rifle string of next stage
It send to offset connector 4, continues the multi-stage perforator rifle statements based on collusion electricity of downward next stage in this way.
The workflow of the present apparatus is as follows: the present apparatus is powered by transmission of electricity caber, and transmission of electricity caber power supply is with metal bar for load
Body is equipped with DC power supply, and gravity speed of the barred body from well head by itself is rushed in oil pipe well liquid, and wherein straight well and inclined shaft can benefits
With gravity, and horizontal well can be conveyed using the pump housing, therefore mode of movement is variable, to be suitable for different oil wells;Transmission of electricity is thrown
2 joint of stick and the spearhead of the first order is that the multi-stage perforator rifle statements based on collusion electricity of the first order utilizes spearhead conduction group after spearhead 2 is powered
For part 3 by electrical energy transportation to conducting wire connector 26 and offset connector 4, conducting wire connector 26 is the multi-stage perforator rifle of the same level
Statements based on collusion electricity, offset connector 4 are the multi-stage perforator rifle statements based on collusion electricity of next stage;Conducting wire connector 26 can start voltage-controlled after being powered
Switch 6, votage control switch are to automatically control to switch on and off a miniature device of power supply circuit in detonation chain, using pressure with
Mine shaft depth variation is power, and off and on power supply circuit is screwedly mounted on detonator, it is reusable after blasting cap detonation;
Certain well depth is reached, votage control switch is opened, and detonating primer 7, explosion energy ignites the shell on firing mount I 10 by detonating primer I 8,
The energy of explosion ignites the shell on firing mount II 29 by detonating primer III 14 and detonating primer II 15, completes the perforation movement of the same level;
Perforation process at different levels is all the same below.
Difference based on power supply mode, as shown in fig. 7, there are also another structures for the utility model comprising perforating gun string,
The tail portion connected pipes of perforating gun string, oil pipe continue to connect next stage perforating gun string, and the tail portion of the perforating gun string of afterbody connects
Connect gun breech;The perforating gun string is by caber guiding pipe nipple 1, spearhead component 3, single-stage pipette tips 32, perforating gun 9, classification connector
41 are connected in sequence with classification hot-line connector 40, and the inside of the classification hot-line connector 40 is equipped with classification torch 38;Wherein
Caber is oriented to the structure and the structure phase of above-mentioned multilayer once detonation perforating system of pipe nipple 1, single-stage pipette tips 32 and perforating gun 9
Together, when this arrangement works, after the shell in perforating gun is detonated, the energy of generation pushes classification torch hair through classification connector 41
Raw displacement makes 2 joint of spearhead being classified on the spearhead component 3 of torch 38 and next stage, and then is the perforating gun string of next stage
Power supply.Explosion is carried out using the multilayer once detonation perforating system of this structure, it is each when each grade of perforating gun string carries out explosion
There are interval, human ear, that is, distinguishable explosion progress in the blasting time of layer.
Claims (10)
1. multilayer once detonation perforating system, including perforating gun string and caber guiding pipe nipple (1), it is characterised in that the perforation
Rifle string includes multi-stage perforator rifle string and single-stage perforating gun string, and caber is oriented to pipe nipple (1) and connects multi-stage perforator rifle string, multi-stage perforator rifle
String is connected with oil pipe (20), and oil pipe (20) connecting short section structure, pipe nipple structure is sequentially connected multi-stage perforator rifle string, the oil of next stage
(20) and pipe nipple structure are managed, the pipe nipple structure of least significant end connects single-stage perforating gun string, and single-stage perforating gun string connects gun breech (30), respectively
Multi-stage perforator rifle string successively circuit connection, afterbody multi-stage perforator rifle string and single-stage perforating gun string circuit connection.
2. multilayer once detonation perforating system as described in claim 1, it is characterised in that the multi-stage perforator rifle string be by
Spearhead conductive component (3), multistage pipette tips (5), perforating gun I (9), middle section connector (11), perforating gun II (27), storage cable device connector
(17) constituted with storage cable device crossover sub (19), the head of the spearhead conductive component (3) is equipped with spearhead (2), spearhead (2) with
Caber is oriented to pipe nipple (1) and is connected, and the tail portion of spearhead conductive component (3) is connected with multistage pipette tips (5), and multistage pipette tips (5) connection is penetrated
Hole rifle I (9) saves connector (11) in perforating gun I (9) connection, and middle section connector (11) connects perforating gun II (27), perforating gun II (27)
It is connected with storage cable device connector (17), storage cable device connector (17) passes through storage cable device pipe nipple (18) and storage cable device crossover sub (19) phase
Even, storage cable device crossover sub (19) is connected with oil pipe (20).
3. multilayer once detonation perforating system as claimed in claim 2, it is characterised in that the head of multistage pipette tips (5) is equipped with and leads
Line connector (26) and offset connector (4) are internally provided with votage control switch (6), and conducting wire connector (26) passes through spearhead
Electric lead (24) is connected with spearhead conductive component (3) circuit, and conducting wire connector (26) is electrically connected votage control switch (6), votage control switch
(6) detonator (7) are driven, detonator (7) and detonating primer I (8) are opposite;One end of the offset connector (4) passes through spearhead
Offset (23) is connected with spearhead conductive component (3) circuit, the other end is led by multistage conducting wire (31) and the spearhead of next stage
Spearhead (2) circuit connection of electrical component (3).
4. multilayer once detonation perforating system as claimed in claim 3, it is characterised in that the inside of perforating gun I (9) is equipped with bullet
Frame I (10), it is opposite with one end of firing mount I (10) that detonating primer I (8) passes through copper conductive contact piece (28).
5. multilayer once detonation perforating system as claimed in claim 2, it is characterised in that the inside of middle section connector (11) is equipped with
Detonating primer III (14), detonating primer II (15) and righting pipe (12), firing mount I (10) is opposite with one end of detonating primer III (14), propagation of explosion
The other end and detonating primer II (15) of pipe III (14) relatively, are cased with righting pipe on the outside of detonating primer III (14) and detonating primer II (15)
(12), it is cased with spring (13) on the outside of righting pipe (12), the inner wall of spring (13) clamping and middle section connector (11).
6. multilayer once detonation perforating system as claimed in claim 2, it is characterised in that the perforating gun II (27) it is interior
Portion is equipped with firing mount II (29), firing mount II (29) and detonating primer II (15) relatively, perforating gun II (27) with store up cable device connector (17) phase
Even.
7. multilayer once detonation perforating system as described in claim 1, it is characterised in that the pipe nipple structure is connect by latent
Device stop pipe nipple (21) and multistage pipette tips pipe nipple (22) is end to end forms, the latent head connected pipes for connecing device stop pipe nipple (21)
(20), the tail end connection next stage multi-stage perforator string or single-stage perforating gun string of multistage pipette tips pipe nipple (22).
8. multilayer once detonation perforating system as described in claim 1, it is characterised in that single-stage perforating gun string is by single-stage lance
Head conductive component (39), single-stage perforating gun I (33), saves connector (34) and single-stage perforating gun II in single-stage at single-stage pipette tips (32)
(35) it is connected in sequence, the head in single-stage pipette tips (32) is equipped with single-stage conducting wire connector (36) electrical connection, and single-stage is voltage-controlled opens
It closes (37), the single-stage perforating gun II (35) is connected with gun breech (30).
9. multilayer once detonation perforating system, including perforating gun string, it is characterised in that the tail portion of the perforating gun string connects oil
Pipe, oil pipe continue to connect next stage perforating gun string, and the tail portion of the perforating gun string of afterbody connects gun breech;The perforating gun string
It is by caber guiding pipe nipple (1), spearhead conductive component (3), single-stage pipette tips (32), perforating gun (9), classification connector (41) and to be classified
Hot-line connector (40) is connected in sequence.
10. multilayer once detonation perforating system as claimed in claim 9, it is characterised in that the classification hot-line connector (40)
Inside be equipped with classification torch (38).
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CN201820889656.7U CN208380557U (en) | 2018-06-09 | 2018-06-09 | Multilayer once detonation perforating system |
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CN201820889656.7U CN208380557U (en) | 2018-06-09 | 2018-06-09 | Multilayer once detonation perforating system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113389529A (en) * | 2020-03-11 | 2021-09-14 | 中石化石油工程技术服务有限公司 | Cable conveying oil pipe perforating device |
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2018
- 2018-06-09 CN CN201820889656.7U patent/CN208380557U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113389529A (en) * | 2020-03-11 | 2021-09-14 | 中石化石油工程技术服务有限公司 | Cable conveying oil pipe perforating device |
CN113389529B (en) * | 2020-03-11 | 2023-01-24 | 中石化石油工程技术服务有限公司 | Cable conveying oil pipe perforating device |
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Effective date of registration: 20211014 Address after: 163000 room 510, plant D-4, Zone D, Service Outsourcing Industrial Park, No. 8, Xinfeng Road, high tech Zone, Daqing City, Heilongjiang Province Patentee after: DAQING BEIRUNDE PETROLEUM SCIENCE & TECHNOLOGY Co.,Ltd. Address before: Room 4 # A211, 212, Emerging Industry Incubator (Park) No. 40 Torch New Street, Daqing High-tech Zone, Heilongjiang Province Patentee before: DAQING RUITENG TECHNOLOGY Co.,Ltd. |
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