CN201696011U - Dynamic negative pressure axial load starting device - Google Patents
Dynamic negative pressure axial load starting device Download PDFInfo
- Publication number
- CN201696011U CN201696011U CN2010202200940U CN201020220094U CN201696011U CN 201696011 U CN201696011 U CN 201696011U CN 2010202200940 U CN2010202200940 U CN 2010202200940U CN 201020220094 U CN201020220094 U CN 201020220094U CN 201696011 U CN201696011 U CN 201696011U
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- CN
- China
- Prior art keywords
- negative
- detonating
- female joint
- valve body
- latus rectum
- 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.)
- Expired - Fee Related
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- 210000000664 rectum Anatomy 0.000 claims abstract description 30
- 239000004020 conductor Substances 0.000 claims abstract description 21
- 239000002360 explosive Substances 0.000 claims description 39
- 230000008878 coupling Effects 0.000 claims description 20
- 238000010168 coupling process Methods 0.000 claims description 20
- 238000005859 coupling reaction Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000037452 priming Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000011161 development Methods 0.000 abstract 2
- 230000018109 developmental process Effects 0.000 abstract 2
- 239000007787 solid Substances 0.000 abstract 2
- 239000011148 porous material Substances 0.000 abstract 1
- 239000007858 starting material Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model discloses a developments negative pressure axial is opened burden device relates to developments negative pressure perforation process equipment technical field, solid fixed ring and connection pad respectively with the both ends fixed connection of conductor, the detonating cord run through in conductor, solid fixed ring and connection pad, the both ends of detonating cord are connected detonating tube, conductor are located in the valve body, and the both ends of valve body are connected respectively latus rectum female joint and common joint, detonating cord extension place latus rectum female joint and common joint, latus rectum female joint other end is connected the axial and is opened burden firer's device. The utility model discloses a priming sytem effect is controlled and is opened the burden device and open, forms dynamic negative pressure and cleans the perforation pore in the perforation, has improved the water conservancy diversion ability, makes dynamic negative pressure promptly, does not hinder the sleeve pipe, can not cause the junk, and manufacturing process is simple, and the valve body can bear different pressure levels and pressure type.
Description
Technical field
The utility model relates to a kind of tubing transmission dynamic negative-pressure gun perforation process equipment technical field that is applied to, and exactly relating to a kind ofly can provide the startup means for applying negative for the dynamic negative-pressure perforation.
Background technology
The key technology of dynamic negative-pressure gun perforation process is the dynamic negative-pressure starting drive, and foreign oil company carries out monopolization to this device, and domestic research unit has developed a kind of starter gate valve and negative pressure valve in dynamic negative-pressure gun perforation process R﹠D process.
Traditional manufacturing dynamic negative pressure device is to realize by pressure reduction or punching machine, and external dynamic negative pressure device is that the clock delay by valve body realizes opening negative the unlatching, and its shortcoming is that to make negative function untimely.And domestic existing starter gate valve and negative pressure valve are by the perforation bullet valve body to be punched to form eyelet realization dynamic negative-pressure water conservancy diversion, and its shortcoming: (1) perforation means injures sleeve pipe easily; (2) if press-fiting jam, employing causes junk easily on the valve body; (3) starter gate valve manufacturing process complexity needs the special-purpose perforation of exploitation bullet, and the customization sealing press-fits jam, press-fits jam on the valve body, valve body pressure testing or the like; (4) the valve body pressure-bearing has only a pressure rating (105MPa) and one type (102 type), has limitation greatly.
The utility model content
For solving the problems of the technologies described above, the utility model proposes a kind ofly can provide the startup means for applying negative for the dynamic negative-pressure perforation, the utility model is used for controlling opening by priming system bears the device unlatching, form dynamic negative-pressure in the time of perforation and clean the perforation tunnel, improved flow conductivity, it is timely rapidly to make dynamic negative-pressure, do not hinder sleeve pipe, can not cause junk, manufacturing process is simple, and valve body can bear different pressure ratings and pressure type.
The utility model is realized by adopting following technical proposals:
A kind of dynamic negative-pressure axially opens negative device, it is characterized in that: comprise and axially open negative firer's device, latus rectum female joint, ordinary couplings, valve body, detonating fuse, connecting rod, retainer ring, conductor, terminal pad, detonating primer and righting rod; Retainer ring is fixedlyed connected with the two ends of conductor respectively with terminal pad, detonating fuse is through described conductor, retainer ring and terminal pad, the two ends of detonating fuse connect described detonating primer, one end and the detonating primer of described detonating fuse is arranged in connecting rod and described connecting rod is connected with retainer ring, the other end of detonating fuse is arranged in righting rod with detonating primer and described righting rod is fixedlyed connected with terminal pad, conductor is positioned at described valve body, and two ends of valve body connects described latus rectum female joint and ordinary couplings respectively, described latus rectum female joint of detonating fuse extended spot and ordinary couplings, described latus rectum female joint other end connecting axle is to opening negative firer's device.
Describedly axially open negative firer's device and comprise the housing that is connected with the latus rectum female joint, be fastened on the explosive shell in the housing, be arranged on the explosive in the explosive shell, the supporting positive cover that is connected with the explosive shell, with explosive detonating fuse that joins and the detonating primer that is connected with detonating fuse, described detonating fuse and detonating primer are positioned at supporting positive cover, and the other end of supporting positive cover contacts with described righting rod.
The shape of explosive shell is the disc of powdered metallurgical material, and explosive shell and inner walls fit tightly, and explosive shell and housing contact site are provided with sealing ring.
Describedly axially open negative firer's device and connect oil pipe through housing, ordinary couplings is male joint, and male joint connects the perforating gun assembly.
Describedly axially open negative firer's device and connect the guide shoe of big discharge capacity bypass pressure transmission through housing, ordinary couplings is female joint, and female joint connects the perforating gun assembly, also is provided with the mandrel that detonates that is connected with the explosive shell in housing.
The described direction that axially is meant perpendicular to housing ring cross section.
All have the hole on described righting rod and the connecting rod, the detonating fuse in righting rod and the connecting rod all tightens up via the jackscrew that the hole penetrates.
Described latus rectum female joint is the joint that internal diameter communicates with valve body.
Be provided with O type circle between described ordinary couplings and the valve body.
Be provided with O type circle between described latus rectum female joint and the valve body.
Described axially opening between negative firer's device and the latus rectum female joint is provided with O type circle.
Compared with prior art, the technique effect that the utility model reached is as follows:
" retainer ring is fixedlyed connected with the two ends of conductor respectively with terminal pad; detonating fuse is through described conductor; retainer ring and terminal pad; the two ends of detonating fuse connect described detonating primer; an end and the detonating primer of described detonating fuse is arranged in connecting rod and described connecting rod is connected with retainer ring; the other end and the detonating primer of detonating fuse is arranged in righting rod and described righting rod is fixedlyed connected with terminal pad because the utility model adopts, conductor is positioned at described valve body, and two ends of valve body connects described latus rectum female joint and ordinary couplings respectively, described latus rectum female joint of detonating fuse extended spot and ordinary couplings, described latus rectum female joint other end connecting axle is to opening negative firer's device " such form of structure; be used for control by priming system and open negative device and open; form dynamic negative-pressure in the time of perforation and clean the perforation tunnel; improved flow conductivity; the manufacturing dynamic negative-pressure is timely rapidly, does not hinder sleeve pipe, can not cause junk; manufacturing process is simple, and valve body can bear different pressure ratings and pressure type.
Particularly, axially be meant direction perpendicular to housing ring cross section, the opening direction that axially opens negative firer's device is axial consistent with valve body, open negative firer's device behind the perforation and open rapidly, powdered metallurgical material is pulverized the inner and oil pipe internal communication of implement device, finishes and opens negative axial open function, borehole fluid flows into rapidly and forms dynamic negative-pressure in the valve body, cleaned the duct effectively, axially opening ways has overcome a difficult problem of hindering sleeve pipe, has broken the limitation of type, pressure rating.
In addition, the detonating fuse in righting rod and the connecting rod all tightens up via the jackscrew that the hole penetrates, and helps to make detonating fuse to fix; Each junction is provided with O type circle, helps being tightly connected.
Description of drawings
The utility model is described in further detail below in conjunction with specification drawings and specific embodiments, wherein:
Fig. 1 is the structural representation of embodiment 2
Fig. 2 is the structural representation of embodiment 3
Mark among the figure:
1, axially opens negative firer's device, 2, the latus rectum female joint, 3, valve body, 4, detonating fuse, 5, ordinary couplings, 6, connecting rod, 7, O type circle, 8, retainer ring, 9, conductor, 10, terminal pad, 11, jackscrew, 12, detonating primer, 13, righting rod, 14, supporting positive cover, 15, sealing ring, 16, explosive shell, 17, explosive, 18, mandrel detonates.
The specific embodiment
The utility model discloses a kind of dynamic negative-pressure and axially open negative device, comprise and axially open negative firer's device 1, latus rectum female joint 2, ordinary couplings 5, valve body 3, detonating fuse 4, connecting rod 6, retainer ring 8, conductor 9, terminal pad 10, detonating primer 12 and righting rod 13; Retainer ring 8 is fixedlyed connected with the two ends of conductor 9 respectively with terminal pad 10, detonating fuse 4 is through described conductor 9, retainer ring 8 and terminal pad 10, the two ends of detonating fuse 4 connect described detonating primer 12, one end of described detonating fuse 4 is arranged in connecting rod 6 with detonating primer 12 and described connecting rod 6 is connected with retainer ring 8, the other end of detonating fuse 4 is arranged in righting rod 13 with detonating primer 12 and described righting rod 13 is fixedlyed connected with terminal pad 10, conductor 9 is positioned at described valve body 3, and the two ends of valve body 3 connect described latus rectum female joint 2 and ordinary couplings 5 respectively, described latus rectum female joint 2 of detonating fuse 4 extended spots and ordinary couplings 5, described latus rectum female joint 2 other end connecting axles are to opening negative firer's device 1.
It is described that axially to open negative firer's device be the high pressure resistant device of powdered metallurgical material pressed explosives 17, energy by explosive 17 blasts is realized broken conducting, during last dress, axially open negative firer's device and comprise the housing that is connected with the latus rectum female joint, be fastened on the explosive shell 16 in the housing, be arranged on the explosive 17 in the explosive shell 16, the supporting positive cover 14 that is connected with explosive shell 16, with explosive 17 detonating fuse 4 that joins and the detonating primer 12 that is connected with detonating fuse 4, described detonating fuse 4 and detonating primer 12 are positioned at supporting positive cover 14, the other end of supporting positive cover 14 contacts with described righting rod, the shape of explosive shell 16 is discs of powdered metallurgical material, explosive shell 16 fits tightly with inner walls, and explosive shell 16 is provided with sealing ring 15 with the housing contact site; Under when adorning, also comprise the mandrel 18 that detonates that is connected with explosive shell 16.
Two kinds of structures are promptly arranged.A kind ofly be made up of supporting positive cover 14, detonating primer 12, detonating fuse 4, high explosive 17, powdered metallurgical material and sealing ring 15, powder metallurgy press-fits that high explosive 17, high explosive 17 are right after detonating fuse 4, detonator connects detonating primer 12; A kind ofly form by supporting positive cover 14, detonating primer 12, detonating fuse 4, high explosive 17, powdered metallurgical material, sealing ring 15 and the mandrel 18 that detonates, powdered metallurgical material press-fits high explosive 17, high explosive 17 is right after detonating fuse 4, detonator connection detonating primer 12, and the mandrel 18 that detonates is right after powdered metallurgical material.The described direction that axially is meant perpendicular to housing ring cross section.After explosive 17 blasts, powdered metallurgical material is pulverized the inner and oil pipe internal communication of implement device, finishes and opens negative axial open function.
On the basis of embodiment 1, when adorning on the utility model, axially open negative firer's device and connect oil pipe through housing, ordinary couplings 5 connects the perforating gun assembly for male joint, male joint.
On the basis of embodiment 1, the utility model is down during dress, axially opens negative firer's device and connects the guide shoe of big discharge capacity bypass pressure transmission through housing, and ordinary couplings 5 is female joint, and female joint connects the perforating gun assembly, also is provided with the mandrel that detonates that is connected with the explosive shell in housing.
The utility model one better embodiment is as follows:
The dynamic negative-pressure starter gate valve connects as follows: detonating fuse 4 two ends assembling detonating primer 12; Retainer ring 8, frangible terminal pad 10 connect into conductor 9 and fixing respectively; Detonating fuse 4 is by the mesopore of retainer ring 8, frangible terminal pad 10; Short (length) connecting rod 6 penetrates detonating fuse 4 and is screwed into retainer ring 8, tightens jackscrew 11; Frangible weak point (length) righting rod 13 penetrates detonating fuse 4 and is screwed into frangible terminal pad 10, tightens jackscrew 11; The conductor 9 that assembles is packed in the valve body 3; Common mother (public affairs) joint 5 is loaded onto " O " type circle 7, and connects into; " O " type circle 7 is loaded onto in latus rectum female joint 2; Common mother (public affairs) joint 5, the latus rectum female joint 2 that assembles connects into valve body and tightens; Axially open negative firer's device 1 fit on " O " type circle 7, connect into latus rectum female joint 2 and tighten.The dynamic negative-pressure starter gate valve just contacts like this.
Open and bear upper end or the lower end that device is connected perforating gun string, it is formed by axially opening negative firer's device and valve body two parts, axially opening negative firer's device is with valve seal, finish the perforation instantaneous axis to startup by detonating fuse and detonating primer, valve body and axially open and form the all-pass footpath between negative firer's device, the axial fluid of valve body flows in the valve body; Valve body can cause dynamic negative-pressure, makes negative capability and designs according to on-the-spot needs.Open the negative firer's device of axially opening of negative device and also can realize the ignition function that detonates of priming device.
Claims (10)
1. a dynamic negative-pressure axially opens negative device, it is characterized in that: comprise and axially open negative firer's device, latus rectum female joint, ordinary couplings, valve body, detonating fuse, connecting rod, retainer ring, conductor, terminal pad, detonating primer and righting rod; Retainer ring is fixedlyed connected with the two ends of conductor respectively with terminal pad, detonating fuse is through described conductor, retainer ring and terminal pad, the two ends of detonating fuse connect described detonating primer, one end and the detonating primer of described detonating fuse is arranged in connecting rod and described connecting rod is connected with retainer ring, the other end of detonating fuse is arranged in righting rod with detonating primer and described righting rod is fixedlyed connected with terminal pad, conductor is positioned at described valve body, and two ends of valve body connects described latus rectum female joint and ordinary couplings respectively, described latus rectum female joint of detonating fuse extended spot and ordinary couplings, described latus rectum female joint other end connecting axle is to opening negative firer's device.
2. dynamic negative-pressure according to claim 1 axially opens negative device, it is characterized in that: describedly axially open negative firer's device and comprise the housing that is connected with the latus rectum female joint, be fastened on the explosive shell in the housing, be arranged on the explosive in the explosive shell, the supporting positive cover that is connected with the explosive shell, with explosive detonating fuse that joins and the detonating primer that is connected with detonating fuse, described detonating fuse and detonating primer are positioned at supporting positive cover, and the other end of supporting positive cover contacts with described righting rod.
3. dynamic negative-pressure according to claim 2 axially opens negative device, it is characterized in that: the shape of explosive shell is the disc of powdered metallurgical material, and explosive shell and inner walls fit tightly, and explosive shell and housing contact site are provided with sealing ring.
4. axially open negative device according to claim 1 or 2 or 3 described dynamic negative-pressures, it is characterized in that: describedly axially open negative firer's device and connect oil pipe through housing, ordinary couplings is male joint, and male joint connects the perforating gun assembly.
5. axially open negative device according to claim 2 or 3 described dynamic negative-pressures, it is characterized in that: described axially opening born firer's device connects the pressure transmission of big discharge capacity bypass through housing guide shoe, ordinary couplings is female joint, female joint connects the perforating gun assembly, also is provided with the mandrel that detonates that is connected with the explosive shell in housing.
6. axially open negative device according to claim 1 or 2 or 3 described dynamic negative-pressures, it is characterized in that: the described direction that axially is meant perpendicular to housing ring cross section.
7. axially open negative device according to claim 1 or 2 or 3 described dynamic negative-pressures, it is characterized in that: all have the hole on described righting rod and the connecting rod, the detonating fuse in righting rod and the connecting rod all tightens up via the jackscrew that the hole penetrates.
8. axially open negative device according to claim 1 or 2 or 3 described dynamic negative-pressures, it is characterized in that: described latus rectum female joint is the joint that internal diameter communicates with valve body.
9. axially open negative device according to claim 1 or 2 or 3 described dynamic negative-pressures, it is characterized in that: be provided with O type circle between described ordinary couplings and the valve body.
10. axially open negative device according to claim 1 or 2 or 3 described dynamic negative-pressures, it is characterized in that: be provided with O type circle between described latus rectum female joint and the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202200940U CN201696011U (en) | 2010-06-09 | 2010-06-09 | Dynamic negative pressure axial load starting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202200940U CN201696011U (en) | 2010-06-09 | 2010-06-09 | Dynamic negative pressure axial load starting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201696011U true CN201696011U (en) | 2011-01-05 |
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ID=43397251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202200940U Expired - Fee Related CN201696011U (en) | 2010-06-09 | 2010-06-09 | Dynamic negative pressure axial load starting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201696011U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102787831A (en) * | 2012-07-27 | 2012-11-21 | 中国石油集团长城钻探工程有限公司工程服务公司 | Three-phase longitudinal support diversion wing-type centralizing rod |
| CN104912524A (en) * | 2015-06-16 | 2015-09-16 | 中国石油集团川庆钻探工程有限公司 | Method for improving perforation and detonation propagation reliability |
-
2010
- 2010-06-09 CN CN2010202200940U patent/CN201696011U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102787831A (en) * | 2012-07-27 | 2012-11-21 | 中国石油集团长城钻探工程有限公司工程服务公司 | Three-phase longitudinal support diversion wing-type centralizing rod |
| CN104912524A (en) * | 2015-06-16 | 2015-09-16 | 中国石油集团川庆钻探工程有限公司 | Method for improving perforation and detonation propagation reliability |
| CN104912524B (en) * | 2015-06-16 | 2018-05-01 | 中国石油集团川庆钻探工程有限公司 | Method for improving perforation and detonation propagation reliability |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SICHUAN PETROLEUM PERFORATING EQUIPMENT Co.,Ltd. Assignor: CNPC CHUANQING DRILLING ENGINEERING Co.,Ltd. Contract record no.: 2011510000203 Denomination of utility model: Dynamic negative pressure axial starting device Granted publication date: 20110105 License type: Exclusive License Record date: 20110825 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20180609 |