CN206035468U - Double -barrelled gaseous phase fracturing device - Google Patents
Double -barrelled gaseous phase fracturing device Download PDFInfo
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- CN206035468U CN206035468U CN201621068307.6U CN201621068307U CN206035468U CN 206035468 U CN206035468 U CN 206035468U CN 201621068307 U CN201621068307 U CN 201621068307U CN 206035468 U CN206035468 U CN 206035468U
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- storage pipe
- gas phase
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Abstract
The utility model discloses a double -barrelled gaseous phase fracturing device, including earial drainage pipe, liquid storage pipe, pressure boost stick and inflation valve, the liquid storage pipe inlays in the earial drainage intraductally, establishes between earial drainage pipe and the liquid storage pipe and is not less than 3 millimeters clearance, and earial drainage pipe and liquid storage pipe front end are airtight structure, and the connector is established to the end to be connected through connector and inflation valve, the inflation valve communicates each other with the liquid storage pipe and constitutes inclosed pressure -bearing cavity structures, and the pressure boost stick is a plurality of and inlay in the liquid storage pipe, and a plurality of fumaroles of equipartition are gone up to the earial drainage pipe. This novel one side can effectually satisfy the needs that various drillings, oil gas well and water well structure used, is adapted to multiple complex geological condition, improve equipment environmental suitability and use flexibility, and on the other hand can still can effectually carry out nimble controlling to the fracturing simultaneously according to pressure intensity, fracturing operations position and the fracturing operations scope etc. Of the nimble adjustment of use needs to the geological conditions.
Description
Technical field
This utility model is related to a kind of two-tube gas phase fracturing device, belongs to carbon dioxide gas phase fracturing unit technical field.
Background technology
The ultimate principle of carbon dioxide gas phase pressure break is heated for liquid carbon dioxide and is gasified as gaseous state in 20 to 40 milliseconds
Carbon dioxide, volumetric expansion, pressure rise, externally acting carry out pressure break objective body, and carbon dioxide has cooling, fire-retardant, resistance
Quick-fried, nontoxic the characteristics of.The fracturing technique have the flames of anger, it is safe efficient, the characteristics of facilitate, be the preferable replacement of explosive
Product.In recent years by payable test, obtain significant economic, society and environmental benefit, with important practical value and
Wide application prospect.
But the carbon dioxide gas phase fracturing device great majority on current market are all heavier, and structure is stereotyped,
Capacity is little, and in work progress, for different objective bodies, the adaptation of product is not good enough, high labor intensive, has had a strong impact on work
Efficiency.The utility model has a simple structure, and filling weight is big, and material is light, easy to operate, the characteristics of strong adaptability, reduces labor
Fatigue resistance, improves work efficiency.
The content of the invention
The purpose of this utility model is to provide for a kind of two-tube gas phase fracturing device.
For reaching above-mentioned purpose, this utility model is implemented according to technical scheme below：
A kind of two-tube gas phase pressure device, including leak-off pipe, liquid storage pipe, fumarole, supercharging rod and charge valve, described liquid storage
Pipe is embedded in leak-off pipe and is coaxially distributed with leak-off pipe, sets the gap not less than 3 millimeters, leak-off pipe between leak-off pipe and liquid storage pipe
Upper uniform some fumaroles, each fumarole are uniformly distributed around leak-off pipe axis, and fumarole total effective area is not more than leak-off pipe
The 1/5 of surface area, fumarole aperture are 0.05 0.5 times of earial drainage pipe diameter, and charge valve and liquid storage pipe are interconnected composition
Closed pressure-bearing cavity body structure, leak-off pipe and liquid storage pipe front end are closed structure, and end sets connector, and passes through connector and fill
Air valve connects, and wherein charge valve is interconnected with liquid storage pipe, and supercharging rod is some to be embedded in liquid storage pipe and be connected with liquid storage inside pipe wall.
Further, between described leak-off pipe and liquid storage pipe, by screw thread, locating button and slide rail, any one or a few is common
Use connected mode.
Further, described fumarole axial interface is any one in rectangle, hourglass shape, taper and hyperbola
Kind.
Further, drive electrode and control device, wherein described drive electrode and control is set on described supercharging rod
Device is embedded on charge valve, and drive electrode is simultaneously electrically connected with control device.
Further, described liquid storage thickness of pipe wall for earial drainage thickness of pipe wall 1/2 3/4, the bearing capacity of leak-off pipe is storage
The 1/4 3/4 of liquid pipe bearing capacity.
This new structure is simple, flexible and convenient to use, flexible and convenient operation and use cost is cheap, on the one hand can be effective
Meet the needs that various drillings, Oil/gas Well and well structure are used, be adapted to Various Complex geological conditions, improve facility environment and fit
Ying Xinghe uses motility, on the other hand the intensity of pressure to geological conditions, fracturing work can be adjusted flexibly according to using needs
Position and fracturing work scope etc., while also effectively flexibly can be manipulated to pressure break.So as to reach improve work efficiency,
The purpose of control accuracy and processing safety.
Description of the drawings
With reference to the accompanying drawings and detailed description describing this utility model in detail
Fig. 1 is this utility model Double-pipe device structural representation.
Specific embodiment
Technological means, creation characteristic, reached purpose and effect for realizing this utility model is easy to understand, below
With reference to specific embodiment, this utility model is expanded on further.
As shown in figure 1, a kind of two-tube gas phase pressure break eliminates the device that coal is dashed forward with gas, including leak-off pipe 1, liquid storage pipe 2, spray
Pore 6, supercharging rod 3 and charge valve 4, liquid storage pipe 2 be embedded in leak-off pipe 1 and with 1 coaxial distribution of leak-off pipe, the tube wall of liquid storage pipe 2
Pressure is sprayed for controlling high-pressure carbon dioxide gas, set the gap not less than 3 millimeters, earial drainage between leak-off pipe 1 and liquid storage pipe 2
Uniform some fumaroles 6 on pipe 1, each fumarole are uniformly distributed around leak-off pipe axis, and 6 total effective area of fumarole is not more than to be let out
The 1/5 of 1 surface area of flow tube, 0.05 0.5 times for 1 diameter of leak-off pipe of 6 aperture of fumarole, charge valve 4 is mutual with liquid storage pipe 2
Connection constitutes closed pressure-bearing cavity body structure, and for storing liquid carbon dioxide, leak-off pipe 1 and 2 front end of liquid storage pipe are closed knot
Structure, end set connector 5, and are connected with charge valve 4 by connector 5, and wherein charge valve 4 is interconnected with liquid storage pipe 2, supercharging
Rod 3 is some to be embedded in liquid storage pipe and is connected with liquid storage inside pipe wall.
In the present embodiment, between described leak-off pipe 1 and liquid storage pipe 2 by screw thread, locating button and slide rail any one or it is several
Plant shared connected mode.
In the present embodiment, described 6 axial interface of fumarole is any in rectangle, hourglass shape, taper and hyperbola
It is a kind of.
In the present embodiment, leak-off pipe 1, the material classification of liquid storage pipe 2 can be steel iron type materials, plastic materials, glass
The tubular material of steel class material or other class energy bearing pressures, wherein liquid storage pipe 2 are disposable, not re-usable, earial drainages
Pipe 1 can repeat practicality.
In the present embodiment, drive electrode 31 and control device 32, wherein described drive electrode on described supercharging rod 3, is set
31 and control device 32 be embedded on charge valve 4, drive electrode 31 is simultaneously electrically connected with control device 32.
In the present embodiment, described 2 wall thickness of liquid storage pipe is the 1/2 3/4 of 1 wall thickness of leak-off pipe, the bearing capacity of leak-off pipe 1
For the 1/4 3/4 of 2 bearing capacity of liquid storage pipe.
When gas phase pressing crack construction is carried out, connect the electrode of exploder and charge valve 4, and heat supercharging rod 3, liquid storage pipe 2
After middle liquid carbon dioxide gasification, gas volume increase in pipe, pressure rise break through the limiting pressure of liquid storage tube wall, high pressure
Carbon dioxide disengages, and acts on objective body by the ejection of fumarole 6 on leak-off pipe 1.
This new structure is simple, flexible and convenient to use, flexible and convenient operation and use cost is cheap, on the one hand can be effective
Meet the needs that various drillings, Oil/gas Well and well structure are used, be adapted to Various Complex geological conditions, improve facility environment and fit
Ying Xinghe uses motility, on the other hand the intensity of pressure to geological conditions, fracturing work can be adjusted flexibly according to using needs
Position and fracturing work scope etc., at the same also effectively can carry out flexible manipulation to pressure break so as to reach improve work efficiency,
The purpose of control accuracy and processing safety.
It should be understood by those skilled in the art that, this utility model is not restricted to the described embodiments, above-described embodiment and
Described in description is to illustrate principle of the present utility model, on the premise of without departing from this utility model spirit and scope,
This utility model also has various changes and modifications, and these changes and improvements both fall within claimed this utility model scope
It is interior.The claimed scope of this utility model is by appending claims and its equivalent thereof.
Claims (5)
1. a kind of two-tube gas phase fracturing device, it is characterised in that described two-tube gas phase fracturing device includes leak-off pipe, liquid storage
Pipe, fumarole, supercharging rod and charge valve, described liquid storage pipe are embedded in leak-off pipe and are coaxially distributed with leak-off pipe, and described lets out
The gap not less than 3 millimeters is set between flow tube and liquid storage pipe, uniform some fumaroles on leak-off pipe, each fumarole is around leak-off pipe
Axis is uniformly distributed, and described fumarole total effective area is not more than the 1/5 of leak-off pipe surface area, and fumarole aperture is earial drainage
0.05 0.5 times of pipe diameter, described charge valve are interconnected with liquid storage pipe and constitute closed pressure-bearing cavity body structure, described
Leak-off pipe and liquid storage pipe front end are closed structure, and end sets connector, and is connected with charge valve by connector, wherein described to fill
Air valve is interconnected with liquid storage pipe, and described supercharging rod is some to be embedded in liquid storage pipe and be connected with liquid storage inside pipe wall.
2. a kind of two-tube gas phase fracturing device described in claim 1, it is characterised in that lead between described leak-off pipe and liquid storage pipe
Cross screw thread, locating button and slide rail any one or a few shared connected mode.
3. a kind of two-tube gas phase fracturing device according to claim 1, it is characterised in that described fumarole axial interface
For any one in rectangle, hourglass shape, taper and hyperbola.
4. a kind of two-tube gas phase fracturing device according to claim 1, it is characterised in that set driving on described supercharging rod
Electrode and control device, wherein described drive electrode and control device are embedded on charge valve, and drive electrode is simultaneously filled with control
Put electrical connection.
5. a kind of two-tube gas phase fracturing device according to claim 1, it is characterised in that described liquid storage thickness of pipe wall is for letting out
The 1/2 3/4 of flow tube wall thickness, the bearing capacity of leak-off pipe is the 1/4 3/4 of liquid storage pipe bearing capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621068307.6U CN206035468U (en) | 2016-09-21 | 2016-09-21 | Double -barrelled gaseous phase fracturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621068307.6U CN206035468U (en) | 2016-09-21 | 2016-09-21 | Double -barrelled gaseous phase fracturing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206035468U true CN206035468U (en) | 2017-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621068307.6U Active CN206035468U (en) | 2016-09-21 | 2016-09-21 | Double -barrelled gaseous phase fracturing device |
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| CN (1) | CN206035468U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420077A (en) * | 2017-09-06 | 2017-12-01 | 中国矿业大学(北京) | One kind is based on high energy CO2The shale oil recovery method and device of fluid fracturing |
-
2016
- 2016-09-21 CN CN201621068307.6U patent/CN206035468U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420077A (en) * | 2017-09-06 | 2017-12-01 | 中国矿业大学(北京) | One kind is based on high energy CO2The shale oil recovery method and device of fluid fracturing |
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