CN204312047U - Coiled tubing hydraulic jetting fracturing device - Google Patents
Coiled tubing hydraulic jetting fracturing device Download PDFInfo
- Publication number
- CN204312047U CN204312047U CN201420723842.5U CN201420723842U CN204312047U CN 204312047 U CN204312047 U CN 204312047U CN 201420723842 U CN201420723842 U CN 201420723842U CN 204312047 U CN204312047 U CN 204312047U
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- China
- Prior art keywords
- flow line
- return flow
- housing
- backwash
- compression
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- 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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Abstract
The utility model relates to a kind of coiled tubing hydraulic jetting fracturing device, its technical scheme is: the inside of spraying body is provided with cyclone, the sidewall of described injection body is provided with nozzle, the bottom of spraying body is provided with return flow line, described cyclone comprises housing, rotary fluid, transmission mechanism, the inside of housing is provided with rotary fluid, the outside of described housing is provided with entrance, the bottom of housing is provided with outlet, the top connection for transmission mechanism of rotary fluid, the tapered joint in described return flow line, the centre of return flow line is provided with return duct, the sidewall of described return flow line is communicated with anti-sand washing machine, the beneficial effects of the utility model are: improve ejection efficiency and jeting effect, guarantee the continuous hydraulic jetting fracturing of oil pipe, reciprocating compressor reducer improves backwash ability, by moving back and forth, guarantee that backwashed fluid forms flush power, improve backwash effect, prevent the blocking of return flow line, improve and spray fracturing effect.
Description
Technical field
The utility model relates to a kind of hydraulic jetting fracturing equipment, particularly a kind of coiled tubing hydraulic jetting fracturing device.
Background technology
Hydraulic jetting fracturing is the novel storey increase design technology of beam hole, pressure break, isolation integration, is applicable to the storey increase design of low-permeability oil deposit straight well, horizontal well, is a kind of effective ways of low-permeability oil deposit fracturing yield increasing.Describe hydraulic perforation and hydraulic perforating fracture initiation control mechanism, analyze the factor affecting hydraulic jet perforation effect.Each elephant of China that goes on mutually exploits the middle and later periods, and oil mining difficulty increases, and directly have influence on the crude output of oil well, original hydraulic jetting fracturing instrument, cannot adapt to the mining environment of underground complexity, affects normal oil extraction.
Summary of the invention
The purpose of this utility model is exactly in view of the foregoing defects the prior art has, provides a kind of coiled tubing hydraulic jetting fracturing device.
Its technical scheme is: comprise injection body, cyclone, nozzle, anti-sand washing machine, return flow line, the inside of spraying body is provided with cyclone, the sidewall of described injection body is provided with nozzle, the bottom of spraying body is provided with return flow line, described cyclone comprises housing, rotary fluid, transmission mechanism, the inside of housing is provided with rotary fluid, the outside of described housing is provided with entrance, the bottom of housing is provided with outlet, the top connection for transmission mechanism of rotary fluid, the tapered joint in described return flow line, the centre of return flow line is provided with return duct, ball one way valve is provided with in return duct, the sidewall of described return flow line is communicated with anti-sand washing machine, anti-sand washing machine comprises backwash passage, backwash shower nozzle, the end of described backwash passage is fixed with backwash shower nozzle, backwash shower nozzle is communicated with return duct.
The outside of above-mentioned anti-sand washing machine connects reciprocating compressor reducer, described reciprocating compressor reducer comprises crank, connecting rod, compression blocks, compression groove, compression bag, liquid injection pipe, compression groove is fixed on the top of liquid injection pipe, compression blocks is positioned at compression groove, one end of connecting rod connects compression blocks, the other end connecting crank of connecting rod, the front end inlet place of liquid injection pipe is provided with one way valve, and the end of described liquid injection pipe is provided with compression bag.
The beneficial effects of the utility model are: improve ejection efficiency and jeting effect, guarantee the continuous hydraulic jetting fracturing of oil pipe, reciprocating compressor reducer improves backwash ability, by moving back and forth, guarantee that backwashed fluid forms flush power, improve backwash effect, prevent the blocking of return flow line, improve and spray fracturing effect.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model;
Accompanying drawing 2 is structural representations of cyclone;
Accompanying drawing 3 is structural representations of reciprocating compressor reducer;
In upper figure: spray body 1, cyclone 2, nozzle 3, anti-sand washing machine 4, return flow line 5, reciprocating compressor reducer 6, housing 2.1, rotary fluid 2.2, outlet 2.3, entrance 2.4, transmission mechanism 2.5, return duct 5.1, ball one way valve 5.2, crank 6.1, connecting rod 6.2, compression blocks 6.3, compression groove 6.4, compression bag 6.5, liquid injection pipe 6.6.
Detailed description of the invention
1-3 by reference to the accompanying drawings, the utility model will be further described:
The utility model comprises injection body 1, cyclone 2, nozzle 3, anti-sand washing machine 4, return flow line 5, the inside of spraying body 1 is provided with cyclone 2, the sidewall of described injection body 1 is provided with nozzle 3, the bottom of spraying body 1 is provided with return flow line 5, described cyclone 2 comprises housing 2.1, rotary fluid 2.2, transmission mechanism 2.5, the inside of housing 2.1 is provided with rotary fluid 2.2, the outside of described housing 2.1 is provided with entrance 2.4, the bottom of housing 2.1 is provided with outlet 2.3, the top connection for transmission mechanism 2.5 of rotary fluid 2.2, the described tapered joint in return flow line 5, the centre of return flow line 5 is provided with return duct 5.1, ball one way valve 5.2 is provided with in return duct 5.1, the sidewall of described return flow line 5 is communicated with anti-sand washing machine 4, anti-sand washing machine 4 comprises backwash passage 4.1, backwash shower nozzle 4.2, the end of described backwash passage 4.1 is fixed with backwash shower nozzle 4.1, backwash shower nozzle 4.1 is communicated with return duct 5.1.
The outside of above-mentioned anti-sand washing machine 4 connects reciprocating compressor reducer 6, described reciprocating compressor reducer comprises crank 6.1, connecting rod 6.2, compression blocks 6.3, compression groove 6.4, compression bag 6.5, liquid injection pipe 6.6, compression groove 6.4 is fixed on the top of liquid injection pipe 6.6, compression blocks 6.3 is positioned at compression groove 6.4, one end of connecting rod 6.2 connects compression blocks 6.3, the other end connecting crank 6.1 of connecting rod 6.2, the front end inlet place of liquid injection pipe 6.6 is provided with one way valve 6.7, and the end of described liquid injection pipe 6.6 is provided with compression bag 6.5.
Operating principle: spray body both sides, by certain phase angle, multiple nozzle is housed, high-pressure fluid changes high-velocity fluid into from nozzle ejection.Return flow line is a part for spraycan main body, and a ball one way valve is housed, and when jetting and pressure break, ball rests on bottom of device, and fluid does not allow to flow out to annular space from bottom.During backwash, fluid from Annular cutting oil inlet pipe, returns ground by anti-sand washing machine.Reciprocating compressor reducer improves backwash ability, by moving back and forth, guaranteeing that backwashed fluid forms flush power, improve backwash effect, prevent the blocking of return flow line, improving and spray fracturing effect.
Claims (2)
1. a coiled tubing hydraulic jetting fracturing device, it is characterized in that: comprise injection body, cyclone, nozzle, anti-sand washing machine, return flow line, the inside of spraying body is provided with cyclone, the sidewall of described injection body is provided with nozzle, the bottom of spraying body is provided with return flow line, described cyclone comprises housing, rotary fluid, transmission mechanism, the inside of housing is provided with rotary fluid, the outside of described housing is provided with entrance, the bottom of housing is provided with outlet, the top connection for transmission mechanism of rotary fluid, the tapered joint in described return flow line, the centre of return flow line is provided with return duct, ball one way valve is provided with in return duct, the sidewall of described return flow line is communicated with anti-sand washing machine, anti-sand washing machine comprises backwash passage, backwash shower nozzle, the end of described backwash passage is fixed with backwash shower nozzle, backwash shower nozzle is communicated with return duct.
2. coiled tubing hydraulic jetting fracturing device according to claim 1, it is characterized in that: the outside of described anti-sand washing machine connects reciprocating compressor reducer, described reciprocating compressor reducer comprises crank, connecting rod, compression blocks, compression groove, compression bag, liquid injection pipe, compression groove is fixed on the top of liquid injection pipe, compression blocks is positioned at compression groove, one end of connecting rod connects compression blocks, the other end connecting crank of connecting rod, the front end inlet place of liquid injection pipe is provided with one way valve, and the end of described liquid injection pipe is provided with compression bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420723842.5U CN204312047U (en) | 2014-11-27 | 2014-11-27 | Coiled tubing hydraulic jetting fracturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420723842.5U CN204312047U (en) | 2014-11-27 | 2014-11-27 | Coiled tubing hydraulic jetting fracturing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204312047U true CN204312047U (en) | 2015-05-06 |
Family
ID=53134369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420723842.5U Expired - Fee Related CN204312047U (en) | 2014-11-27 | 2014-11-27 | Coiled tubing hydraulic jetting fracturing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204312047U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145106A (en) * | 2020-10-21 | 2020-12-29 | 吕楠 | Combined rotational flow equal-diameter sand washer |
-
2014
- 2014-11-27 CN CN201420723842.5U patent/CN204312047U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145106A (en) * | 2020-10-21 | 2020-12-29 | 吕楠 | Combined rotational flow equal-diameter sand washer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 Termination date: 20151127 |