CN107542432A - Firing angle effect-increasing perforator is determined in inside and outside blind hole orientation - Google Patents
Firing angle effect-increasing perforator is determined in inside and outside blind hole orientation Download PDFInfo
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- CN107542432A CN107542432A CN201710783641.2A CN201710783641A CN107542432A CN 107542432 A CN107542432 A CN 107542432A CN 201710783641 A CN201710783641 A CN 201710783641A CN 107542432 A CN107542432 A CN 107542432A
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- blind hole
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- orientation
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Abstract
The invention discloses a kind of inside and outside blind hole orientation to determine firing angle effect-increasing perforator,Refer to the well fracturing of oil field development,Synergistic perforating field,The technology passes through to being designed on body of perforating gun in corresponding with perforating bullet angle,Outer blind hole,Design adjustable perforating bullet angle simultaneously,The perforation direction of perforating bullet is fixed parallel with perforation hole section oil reservoir principal direction,The perforation height of burst can be increased,Wear depth,Effectively improve perforating quality,And can is by perforating bullet towards the best direction perforation of permeability,So that oil gas well capacity is multiplied,Multistage pulses High-Energy Gas Fracturing Technology is merged again simultaneously,Because high energy gas breakage is strong,Width generation capacity is good and can prevent formation fracture from closing,It is achieved thereby that reach outer orientation in perforating job,Orientation,Determine the purpose of firing angle,The effect for expanding perforating depth and aperture is reached simultaneously.
Description
Technical field
The present invention relates to the well fracturing of oil field development, synergistic perforating field, and in particular to be a kind of inside and outside blind hole
Firing angle effect-increasing perforator is determined in orientation.
Background technology
Perforator is the equipment special of petroleum-gas fiedl perforation construction, and the species of perforator is many at present, conventional composite gun perforation
Firing angle perforator etc. is determined in device, outer blind hole composite perforating tool, interior blind hole composite perforating tool, interior orientation, but above perforator is also deposited
In many problems, conventional composite perforator includes：Built-in, outer wrapping formula, suspension type, the shortcomings that built-in composite perforator：
Increase perforating bullet wears depth, is limited by gun body diameter, to increase hole density, is limited by gun body space, and outer wrapping formula is answered
The shortcomings that closing perforator：This body structure limits rifle footpath and deep penetration bullet application, transportation and storage and field application inconvenience, suspension type
The shortcomings that composite perforator：Pressure breaking bullet is located at lower section, non-face perforation layer, can produce " above lifting phenomenon " during perforation, and outer blind hole
There is deficiency, the perforating bullet height of burst of outer blind hole composite perforating tool in structure for composite perforator and interior blind hole composite perforating tool
Low, jet does not pull open fully and begins to brokenly target, and then reduces perforating effect, and interior blind hole composite perforating tool, although solving
The height of burst of outer blind hole composite perforating tool influences, but broken target wall thickness when perforating bullet wears blind hole is thicker, adds disappearing for perforation energy
Consumption, influences perforating effect, at the same after interior blind hole perforation, easy card rifle of a relatively high in burr caused by gun body outer wall, and it is interior
Firing angle perforator Shortcomings in structure are determined in orientation, without inside and outside blind hole, are influenceed by perforation orientation, angle, can not be coupled outer
Blind hole or interior blind hole composite perforating gun, so as to reduce perforating effect, it have developed for my company of problem above blind inside and outside one kind
Firing angle effect-increasing perforator is determined in hole orientation.
The content of the invention
It is an object of the invention to provide a kind of inside and outside blind hole orientation to determine firing angle effect-increasing perforator, first by perforating gun
The inside and outside blind hole corresponding with perforating bullet angle is designed on body, while designs adjustable perforating bullet angle, by penetrating for perforating bullet
The fixation of hole direction is parallel with perforation hole section oil reservoir principal direction, can increase the perforation height of burst, wear depth, effectively improves perforating quality, again
So that oil gas well capacity is multiplied, while it can be merged again more by perforating bullet towards the best direction perforation of permeability
Level pulse High-Energy Gas Fracturing Technology, because high energy gas breakage is strong, width generation capacity is good and can prevent formation fracture from closing,
It is achieved thereby that reach outer orientation, orientation in perforating job, determine the purpose of firing angle, at the same reached expansion perforating depth and
The effect in aperture.
The present invention is achieved through the following technical solutions：Inside and outside blind hole orientation determine firing angle effect-increasing perforator include gun body,
Connect in upper positioning disk, lower positioning disk, tension disk, righting, angle positioning key, high-efficiency energy-storage medicine box, firing mount and perforating bullet composition；On
Positioning disk, lower positioning disk, tension disk, firing mount and perforating bullet are assembled integrally, and are turned into orientation and are determined firing angle firing mount；The gun body
There is the interior blind hole outwards processed inside tubing inwall perforating bullet perforation angle corresponding position, outside tubing corresponding to interior blind hole inwardly
Portion is machined with outer blind hole；There is alignment pin on described upper positioning disk；By being connect in succession in righting between the gun body, gun body and help
Center connects to be fixed by angle positioning key；The orientation is determined by the alignment pin on upper positioning disk to consolidate between firing angle firing mount and gun body
It is fixed.
Remaining tube wall thickness between described interior blind hole, outer blind hole is 2.5~3 millimeters.
Do not connected between described interior blind hole, outer blind hole.
Described outer blind hole is waist hole.
Described interior blind hole, the angle of outer blind hole are identical with perforating bullet angle, ± 0-40 ° of deflection angle.
Using the good effect of above-mentioned technical proposal：The present invention is that firing angle synergistic perforating is determined in a kind of inside and outside blind hole orientation
Device, it combines inside and outside blind hole composite perforating tool, firing angle perforator is determined in orientation and the advantages of high energy gas fracture device, i.e.,
It is that firing angle perforation, Incorporate increase-effect perforating and multistage pulses high enegry gas fracturing are determined in blind hole composite gun perforation, orientation inside and outside collection
For the new perforator of the whole body.
In the present invention in gun body simultaneously set in blind hole, outer blind hole, relatively reduce the tubing wall between inside and outside blind hole
Thickness, that is, be effectively increased the height of burst of perforating bullet, reduces perforating bullet again and is shot through the energy loss of wall thickness, and then improves perforation
Quality, reach the purpose to increase production and improve productivity, because interior blind hole, outer blind hole occur simultaneously, solve because after perforation in gun body outer wall
Caused burr is relatively too high and the problem of card rifle, the possibility that security incident occurs is reduced, due to interior blind hole, outer blind hole
Between do not connect, will not cause gun body seepage, ensure production safety.
Outer orientation, orientation are used in the present invention, determines firing angle perforating technology, orientation is determined to lead between firing angle firing mount and gun body
The alignment pin crossed on positioning disk is fixed, it is ensured that the inside and outside blind hole of perforating bullet, perforation angle and gun body is corresponding, has angle between gun body
Spend positioning key, it is ensured that blind hole is corresponded between each gun body in same phase, the perforation direction of perforating bullet is fixed and perforation hole section
Oil reservoir principal direction is parallel, then can ensure that perforation tunnel is placed oneself in the midst of in specified oil reservoir completely, while ensure that and ooze perforating bullet direction
The best direction perforation of permeability, so that oil gas well capacity is multiplied, so as to further improve the permeability of oil flow channel,
Reach the purpose to increase production and improve productivity.
High-efficiency energy-storage medicine box is mounted with the present invention, multistage pulses high enegry gas fracturing has been merged again simultaneously in perforating job
Technology, the blast of the medicament of high-efficiency energy-storage medicine box during perforating bullet bursts while triggered, caused high temperature, the gas of high pressure after blast
Moment carries out pressure break by preforation tunnel to stratum after perforation, forms many cracks, further dredges perforation compaction band institute band
The blocking come, pressure break, de-plugging are played, improve the effect of duct permeability, caused high energy gas breakage is strong after blast, makes
Seam ability is good and can prevent formation fracture from closing, and has good synergistic effect.
Wide adaptation range of the present invention, disclosure satisfy that the particular/special requirement of straight well, inclined shaft, horizontal well and compacted zone well, have into
This is low, it is simple to operate the characteristics of.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
In figure：1 gun body, blind hole, 3 outer blind holes, 4 firing mounts, 5 perforating bullets, 6 high-efficiency energy-storage medicine boxs, 7 angle positioning keys, 8 in 2
Connect in righting, 9 alignment pins, 10 times positioning disks, 11 tense disks, positioning disk on 12.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：Firing angle is determined in a kind of inside and outside blind hole orientation as shown in Figure 1
Effect-increasing perforator includes：8, angle positioning key 7, height are connect in gun body 1, upper positioning disk 12, lower positioning disk 10, tension disk 11, righting
Effect energy storage medicine box 6, firing mount 4 and perforating bullet 5 form.Wherein high-efficiency energy-storage medicine box 6 is when in use, it is necessary to by high-efficiency energy-storage medicine box 6
Load gun body 1 bottom, after the completion of required perforating bullet is loaded shown in connection big gun figure, by upper positioning disk 12, lower positioning disk 10,
Tense disk 11, firing mount 4 and perforating bullet 5 to be assembled integrally, turn into orientation and determine firing angle firing mount, and it is integrally loaded in gun body 1,
It is fixed by the way that alignment pin is solid between 9 and gun body 1, it is ensured that the perforation angle of perforating bullet 5 and the interior blind hole 2 of gun body 1, outer blind hole
3 is corresponding, by connecing 8 connections in righting between gun body, 8 is connect in gun body 1 and righting and is fixed by angle positioning key 7, it is ensured that each rifle
Blind hole is corresponded between body in same phase, as shown in Figure 1.
In actual production, under conditions of pressure permission, blind hole 2, outer blind hole 3 in gun body while in setting are relative to subtract
The tube wall thickness between inside and outside blind hole is lacked, the tube wall thickness between interior blind hole 2, outer blind hole 3 can be arranged to 2.5~3 millis
Rice, that is, be effectively increased the height of burst of perforating bullet, reduce perforating bullet again and be shot through the energy loss of wall thickness, and then improve perforation
Quality, reach the purpose to increase production and improve productivity, because interior blind hole, outer blind hole occur simultaneously, solve because after perforation in gun body outer wall
Caused burr is relatively too high and the problem of card rifle, the possibility that security incident occurs is reduced, due to interior blind hole, outer blind hole
Between do not connect, will not cause gun body seepage, ensure production safety.
Due to using outer orientation, orientation, determining firing angle perforating technology, orientation is determined to pass through between firing angle firing mount and gun body 1
Alignment pin fixes 9, and the perforation angle of hole bullet 5 is corresponding with interior blind hole 2, the outer blind hole 3 of gun body 1, angled fixed between gun body
Position key 7, it is ensured that blind hole is corresponded between each gun body in same phase, the perforation direction of perforating bullet 5 is fixed and perforation hole section oil
Layer principal direction is parallel, then can ensure that perforation tunnel is placed oneself in the midst of in specified oil reservoir completely, while ensure that and permeate perforating bullet direction
Property best direction perforation so that oil gas well capacity is multiplied, so as to further improve the permeability of oil flow channel, reach
To the purpose to increase production and improve productivity.
In perforating job, equipped with a certain amount of high inside the high-efficiency energy-storage medicine box 6 that the bottom of gun body 1 loads, its medicine box
Energy medicament, after the explosion of perforating bullet 5, while ignites high-efficiency energy-storage medicine box 6, can produce high energy gas, high temperature, the gas of high pressure exist
Moment carries out pressure break by preforation tunnel to stratum after perforation, forms many cracks, further dredges perforation compaction band and is brought
Blocking, play pressure break, de-plugging, improve the effect of duct permeability.Caused high energy gas breakage is strong after blast, makes seam
Ability is good and can prevent formation fracture from closing, and has good synergistic effect.
The inside and outside blind hole orientation determines firing angle effect-increasing perforator and uses outer oriented perforating mode, suitable for straight well, inclined shaft, water
Horizontal well and compacted zone well.
Claims (5)
1. firing angle effect-increasing perforator determine in a kind of inside and outside blind hole orientation to be included gun body, upper positioning disk, lower positioning disk, tension disk, helps
Center connects, angle positioning key, high-efficiency energy-storage medicine box, firing mount and perforating bullet composition；Upper positioning disk, lower positioning disk, tense disk, firing mount
It is assembled integrally with perforating bullet, turns into orientation and determine firing angle firing mount；The inwall perforating bullet perforation angle corresponding position of the gun body has
The interior blind hole outwards processed inside from tubing, is internally machined with outer blind hole outside tubing corresponding to interior blind hole；Described is upper fixed
There is alignment pin on the disk of position；By being connect in succession in righting between the gun body, connect in gun body and righting and fixed by angle positioning key；Institute
Orientation is stated to determine to fix by the alignment pin on upper positioning disk between firing angle firing mount and gun body.
2. firing angle effect-increasing perforator is determined in inside and outside blind hole orientation according to claim 1, it is characterised in that：Described is interior blind
Remaining tube wall thickness between hole, outer blind hole is 2.5 ~ 3 millimeters.
3. firing angle effect-increasing perforator is determined in inside and outside blind hole orientation according to claim 1, it is characterised in that：Described is interior blind
Do not connected between hole, outer blind hole.
4. firing angle effect-increasing perforator is determined in inside and outside blind hole orientation according to claim 1, it is characterised in that：Described is outer blind
Hole is waist hole.
5. firing angle effect-increasing perforator is determined in inside and outside blind hole orientation according to claim 1, it is characterised in that：Described is interior blind
Hole, the angle of outer blind hole are identical with perforating bullet angle, deflection angle ± 0 ~ 40 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710783641.2A CN107542432A (en) | 2017-09-04 | 2017-09-04 | Firing angle effect-increasing perforator is determined in inside and outside blind hole orientation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710783641.2A CN107542432A (en) | 2017-09-04 | 2017-09-04 | Firing angle effect-increasing perforator is determined in inside and outside blind hole orientation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107542432A true CN107542432A (en) | 2018-01-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710783641.2A Pending CN107542432A (en) | 2017-09-04 | 2017-09-04 | Firing angle effect-increasing perforator is determined in inside and outside blind hole orientation |
Country Status (1)
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025913A (en) * | 2018-09-29 | 2018-12-18 | 北京大德广源石油技术服务有限公司 | The interior compound sub-clustering perforator of blind hole |
| CN109339750A (en) * | 2018-12-06 | 2019-02-15 | 黑龙江震泰科技有限公司 | Blind hole combustion gas synergistic perforator and its application method in a kind of convergence type |
| CN109396489A (en) * | 2018-11-15 | 2019-03-01 | 大庆金祥寓科技有限公司 | A kind of inside and outside blind hole machining lathe of perforating gun gun body |
| CN112593903A (en) * | 2020-12-14 | 2021-04-02 | 大庆石油管理局有限公司 | Fixed-firing-angle inner blind hole perforating gun |
| CN112696185A (en) * | 2021-01-28 | 2021-04-23 | 太原理工大学 | Composite blasting high-energy gas directional accurate fracturing method |
| RU2794831C1 (en) * | 2022-05-24 | 2023-04-25 | Александр Михайлович Свалов | Method for jet perforation of wells |
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| CN104847315A (en) * | 2015-03-25 | 2015-08-19 | 大庆红祥寓科技有限公司 | Expansion composite perforating gun |
| US9145763B1 (en) * | 2012-05-15 | 2015-09-29 | Joseph A. Sites, Jr. | Perforation gun with angled shaped charges |
| CN204691748U (en) * | 2015-03-20 | 2015-10-07 | 大庆金祥寓科技有限公司 | Perforating system is held in non-explosive expansion |
| CN105041273A (en) * | 2015-06-25 | 2015-11-11 | 西安物华巨能爆破器材有限责任公司 | External directional, orientation and perforation-angle-fixed multistage pulse enhanced-perforator |
| CN106567693A (en) * | 2016-10-20 | 2017-04-19 | 大庆红祥寓科技有限公司 | Inner and outer blind hole blockage relieving composite perforator |
| CN107100597A (en) * | 2017-07-09 | 2017-08-29 | 大庆金祥寓科技有限公司 | A kind of precisely targeting perforating technology |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US9145763B1 (en) * | 2012-05-15 | 2015-09-29 | Joseph A. Sites, Jr. | Perforation gun with angled shaped charges |
| CN204691748U (en) * | 2015-03-20 | 2015-10-07 | 大庆金祥寓科技有限公司 | Perforating system is held in non-explosive expansion |
| CN104847315A (en) * | 2015-03-25 | 2015-08-19 | 大庆红祥寓科技有限公司 | Expansion composite perforating gun |
| CN105041273A (en) * | 2015-06-25 | 2015-11-11 | 西安物华巨能爆破器材有限责任公司 | External directional, orientation and perforation-angle-fixed multistage pulse enhanced-perforator |
| CN106567693A (en) * | 2016-10-20 | 2017-04-19 | 大庆红祥寓科技有限公司 | Inner and outer blind hole blockage relieving composite perforator |
| CN107100597A (en) * | 2017-07-09 | 2017-08-29 | 大庆金祥寓科技有限公司 | A kind of precisely targeting perforating technology |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025913A (en) * | 2018-09-29 | 2018-12-18 | 北京大德广源石油技术服务有限公司 | The interior compound sub-clustering perforator of blind hole |
| CN109396489A (en) * | 2018-11-15 | 2019-03-01 | 大庆金祥寓科技有限公司 | A kind of inside and outside blind hole machining lathe of perforating gun gun body |
| CN109339750A (en) * | 2018-12-06 | 2019-02-15 | 黑龙江震泰科技有限公司 | Blind hole combustion gas synergistic perforator and its application method in a kind of convergence type |
| CN112593903A (en) * | 2020-12-14 | 2021-04-02 | 大庆石油管理局有限公司 | Fixed-firing-angle inner blind hole perforating gun |
| CN112696185A (en) * | 2021-01-28 | 2021-04-23 | 太原理工大学 | Composite blasting high-energy gas directional accurate fracturing method |
| RU2794831C1 (en) * | 2022-05-24 | 2023-04-25 | Александр Михайлович Свалов | Method for jet perforation of wells |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180105 |
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