CN207554029U - A kind of hydraulic fracturing perforating system - Google Patents
A kind of hydraulic fracturing perforating system Download PDFInfo
- Publication number
- CN207554029U CN207554029U CN201721429810.4U CN201721429810U CN207554029U CN 207554029 U CN207554029 U CN 207554029U CN 201721429810 U CN201721429810 U CN 201721429810U CN 207554029 U CN207554029 U CN 207554029U
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- China
- Prior art keywords
- drilling pipe
- perforation
- hydraulic fracturing
- pressure
- flange
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Abstract
A kind of hydraulic fracturing perforating system, it is related to natural gas pressure break technical field；It includes the first drilling pipe, the second drilling pipe, third drilling pipe, screw thread, perforation component, pressure export, flange, location hole, positioning pin；The bottom of first drilling pipe is screwed on by screw thread and the second drilling pipe, and the bottom of the second drilling pipe is screwed on by screw thread and third drilling pipe；First drilling pipe and the side wall of the second drilling pipe are provided with pressure export, and the first drilling pipe and the second drilling pipe are connected separately with perforation component by pressure export；The lower part of first drilling pipe and the upper end of the second drilling pipe are respectively fixed with flange, several location holes are evenly equipped on flange, positioning pin is threaded through in location hole.A kind of hydraulic fracturing perforating system described in the utility model, perforation orientation angle are adjusted, and improve hydraulic fracturing success rate, and load performance is reliable, and effect of increasing production is good, and the utility model has many advantages, such as that simple in structure, setting is reasonable, low manufacture cost.
Description
Technical field
The utility model is related to natural gas pressure break technical fields, and in particular to a kind of hydraulic fracturing perforating system.
Background technology
Shale gas preservation is in rich organic matter mud shale and its interlayer, due to the low hole of shale gas reservoir, the object of low-permeability
Property feature, it is big that air-flow overflows resistance ratios conventional gas, substantially without natural production capacity, needs to implement fracturing reform, shale gas ability
Effectively exploited.
Hydraulic fracturing construction is completed on perforated hole, thus different perforating parameters will necessarily be to construction effect
It has an impact.However, how the well to that need to carry out fracturing reform, do perforating design, many oil gas fields carry out this respect not yet
Work, and at present FRACTURING DESIGN in itself also to reality perforation completion give enough attention.
The pressure-bearing property of perforating system is one of its important parameter, since the structure size and material property of perforator exist
Certain dispersibility, the selection of the structure and material of perforator will determine the reliability of the pressure-bearing of perforator.
Utility model content
The purpose of this utility model is that it is in view of the drawbacks of the prior art and insufficient, a kind of simple in structure, design is provided and is closed
Reason, hydraulic fracturing perforating system easy to use.
To achieve the above object, the technical solution adopted in the utility model is：It includes the first drilling pipe, the second drilling pipe, the
Three drilling pipes, screw thread, perforation component, pressure export, flange, location hole, positioning pin；The bottom of first drilling pipe passes through screw thread
It is screwed on the second drilling pipe, the bottom of the second drilling pipe is screwed on by screw thread and third drilling pipe；First drilling pipe and the second drilling pipe
Side wall be provided with pressure export, the first drilling pipe and the second drilling pipe are connected separately with perforation component by pressure export；Described
The lower part of first drilling pipe and the upper end of the second drilling pipe are respectively fixed with flange, and several location holes are evenly equipped on flange, and positioning pin is worn
It is located in location hole.
Preferably, second drilling pipe and the inner wall of third drilling pipe are provided with sealing ring.
Preferably, the perforation component includes perforation seat, pressure-bearing tapered sleeve, spray orifice, taper hole；The perforation seat is inlayed
Pressure-bearing tapered sleeve is provided in the first drilling pipe or the tube wall of the second drilling pipe, perforation seat, is provided with spray orifice in pressure-bearing tapered sleeve, in spray orifice
Side is provided with taper hole, and taper hole is connected with pressure export.
Preferably, the number of the location hole is 6~12.
Preferably, the flange is located at the lower section of perforation component.
When the utility model operates, the first drilling pipe and the second drilling pipe are screwed on, adjust the angle of two whole perforation components up and down
Position, angle is adjustable at 30 °~60 °, with positioning finger setting, then the second drilling pipe is connect with third drilling pipe；The pressure-bearing cone
Set coordinates with taper hole, carries most pressure, so as to which best perforation orientation angle be adjusted, obtains best shot density.
With the above structure, what the utility model generated has the beneficial effect that：A kind of waterpower pressure described in the utility model
Perforating system is split, perforation orientation angle is adjusted, and improves hydraulic fracturing success rate, load performance is reliable, and effect of increasing production is good, this practicality
It is novel to have many advantages, such as that simple in structure, setting is reasonable, low manufacture cost.
Description of the drawings
Fig. 1 is the structure chart of the utility model；
Fig. 2 is the vertical view of Fig. 1；
Fig. 3 is the amplification assumption diagram of the utility model perforation component.
Reference sign：
First drilling pipe 1, the second drilling pipe 2, third drilling pipe 3, screw thread 4, perforation component 5, pressure export 6, flange 7, location hole
8th, positioning pin 9, sealing ring 10, perforation seat 11, pressure-bearing tapered sleeve 12, spray orifice 13, taper hole 14.
Specific embodiment
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, can also be obtained according to these attached drawings other attached drawings.
Referring to such as Fig. 1 --- shown in Fig. 3, present embodiment adopts the following technical scheme that：It include the first drilling pipe 1,
Second drilling pipe 2, third drilling pipe 3, screw thread 4, perforation component 5, pressure export 6, flange 7, location hole 8, positioning pin 9；Described
The bottom of one drilling pipe 1 is screwed on by screw thread 4 and the second drilling pipe 2, and the bottom of the second drilling pipe 2 is revolved by screw thread 4 and third drilling pipe 3
It connects；First drilling pipe 1 and the side wall of the second drilling pipe 2 are provided with pressure export 6, and the first drilling pipe 1 and the second drilling pipe 2 pass through pressure
Power outlet 6 is connected separately with perforation component 5；The lower part of first drilling pipe 1 and the upper end of the second drilling pipe 2 are respectively fixed with method
Orchid 7 is evenly equipped with several location holes 8 on flange 7, and positioning pin 9 is threaded through in location hole 8.
Preferably, second drilling pipe 2 and the inner wall of third drilling pipe 3 are provided with sealing ring 10.
Preferably, the perforation component 5 includes perforation seat 11, pressure-bearing tapered sleeve 12, spray orifice 13, taper hole 14；Described
Perforation seat 11 is embedded in the tube wall of the first drilling pipe 1 or the second drilling pipe 2, and pressure-bearing tapered sleeve 12, pressure-bearing tapered sleeve are provided in perforation seat 11
Spray orifice 13 is provided in 12,13 inside of spray orifice is provided with taper hole 14, and taper hole 14 is connected with pressure export 6.
Preferably, the number of the location hole 8 is 6~12.
Preferably, the flange 7 is located at the lower section of perforation component 5.
When present embodiment operates, the first drilling pipe 1 and the second drilling pipe 2 are screwed on, adjust two whole perforation components 5 up and down
Angle position, angle is adjustable at 30 °~60 °, is positioned with positioning pin 9, then the second drilling pipe 2 is connect with third drilling pipe 3；It is described
Pressure-bearing tapered sleeve 12 coordinate with taper hole 14, carry most pressure, so as to which best perforation orientation angle be adjusted, obtain best
Shot density.
With the above structure, what present embodiment generated has the beneficial effect that：One described in present embodiment
Kind hydraulic fracturing perforating system, perforation orientation angle are adjusted, and improve hydraulic fracturing success rate, load performance is reliable, effect of increasing production
Good, present embodiment has many advantages, such as that simple in structure, setting is reasonable, low manufacture cost.
The basic principle of the utility model and main feature and the advantages of the utility model has been shown and described above.This
The technical staff of industry is retouched in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
That states only illustrates the principle of the utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model
Various changes and modifications are also had, these various changes and improvements fall within the scope of the claimed invention.This practicality is new
Type is claimed range and is defined by the appending claims and its equivalent thereof.
Claims (5)
1. a kind of hydraulic fracturing perforating system, it is characterised in that：It include the first drilling pipe, the second drilling pipe, third drilling pipe, screw thread,
Perforation component, pressure export, flange, location hole, positioning pin；It is revolved by screw thread and the second drilling pipe the bottom of first drilling pipe
It connects, the bottom of the second drilling pipe is screwed on by screw thread and third drilling pipe；First drilling pipe and the side wall of the second drilling pipe are provided with
Pressure export, the first drilling pipe and the second drilling pipe are connected separately with perforation component by pressure export；Under first drilling pipe
Portion and the upper end of the second drilling pipe are respectively fixed with flange, and several location holes are evenly equipped on flange, and positioning pin is threaded through in location hole.
2. a kind of hydraulic fracturing perforating system according to claim 1, it is characterised in that：Second drilling pipe and third
The inner wall of drilling pipe is provided with sealing ring.
3. a kind of hydraulic fracturing perforating system according to claim 1, it is characterised in that：The perforation component is included and is penetrated
Hole seat, pressure-bearing tapered sleeve, spray orifice, taper hole；The perforation seat is embedded in the tube wall of the first drilling pipe or the second drilling pipe, is set in perforation seat
Pressure-bearing tapered sleeve is equipped with, spray orifice is provided in pressure-bearing tapered sleeve, is provided with taper hole on the inside of spray orifice, taper hole is connected with pressure export.
4. a kind of hydraulic fracturing perforating system according to claim 1, it is characterised in that：The number of the location hole is
6~12.
5. a kind of hydraulic fracturing perforating system according to claim 1, it is characterised in that：The flange is located at perforation set
The lower section of part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721429810.4U CN207554029U (en) | 2017-10-22 | 2017-10-22 | A kind of hydraulic fracturing perforating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721429810.4U CN207554029U (en) | 2017-10-22 | 2017-10-22 | A kind of hydraulic fracturing perforating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207554029U true CN207554029U (en) | 2018-06-29 |
Family
ID=62681566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721429810.4U Expired - Fee Related CN207554029U (en) | 2017-10-22 | 2017-10-22 | A kind of hydraulic fracturing perforating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207554029U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117231180A (en) * | 2023-11-10 | 2023-12-15 | 大庆辰平钻井技术服务有限公司 | Sand blasting perforation device and ultra-short radius horizontal well completion method |
-
2017
- 2017-10-22 CN CN201721429810.4U patent/CN207554029U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117231180A (en) * | 2023-11-10 | 2023-12-15 | 大庆辰平钻井技术服务有限公司 | Sand blasting perforation device and ultra-short radius horizontal well completion method |
| CN117231180B (en) * | 2023-11-10 | 2024-02-02 | 大庆辰平钻井技术服务有限公司 | Sand blasting perforation device and ultra-short radius horizontal well completion method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20180629 Termination date: 20181022 |