CN206668255U - Gas surveys fracture guide instrument - Google Patents
Gas surveys fracture guide instrument Download PDFInfo
- Publication number
- CN206668255U CN206668255U CN201720338648.9U CN201720338648U CN206668255U CN 206668255 U CN206668255 U CN 206668255U CN 201720338648 U CN201720338648 U CN 201720338648U CN 206668255 U CN206668255 U CN 206668255U
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- China
- Prior art keywords
- gas
- pressure difference
- piston
- diversion chamber
- pressure
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Abstract
The utility model discloses a kind of gas and surveys fracture guide instrument, the gas, which surveys fracture guide instrument, includes diversion chamber and data acquisition control system, described diversion chamber one end outer wall offers air inlet, gas outlet is offered on diversion chamber's other end outer wall, 3 pressure difference delivery outlets are offered side by side in the side wall of diversion chamber one, it is followed successively by the first pressure difference delivery outlet, the second pressure difference delivery outlet and the 3rd pressure difference delivery outlet, diversion chamber's upper face center offers piston groove, and the piston to slidably reciprocate up and down is provided with the piston groove.The piston includes lower piston, proppant pack, upper piston and top fixing plate from the bottom to top, and metallic plate is provided between the lower piston, proppant pack and upper piston.Gas of the present utility model surveys fracture guide instrument and meets gas test and seal request, the test evaluation for the unconventional reservoir flow conductivity such as compact sandstone gas, coal bed gas, shale gas, has important application value.
Description
Technical field
It the utility model is related to guide instrument, and in particular to a kind of gas surveys fracture guide instrument.
Background technology
Hydraulic fracturing is the technical way of Low permeable oil and gas reservoirs storey increase design, even more tight gas, coal bed gas, shale gas
Deng the required means of unconventional reservoir exploitation.The flow conductivity of supporting crack decides post-fracturing effect of increasing production, therefore, domestic
Experiment test research outside for flow conductivity is more.At present, tested more using liquid such as distilled water as displacing medium,
And during the production such as tight gas, shale gas, it is often not aqueous, therefore can more conform to reality using the flow conductivity of gas test
Border.Conventional liquid surveys water conservancy diversion test system can not ensure that sealing and gas flow are difficult to accurate test etc. due to diversion chamber be present
Problem, therefore cannot be directly used to gas and survey water conservancy diversion experiment.
Existing liquid surveys guide instrument, due to that can not ensure air seal, therefore cannot be directly used to gas and surveys water conservancy diversion experiment.
The content of the invention
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided a kind of gas surveys fracture guide instrument.
To achieve the above object, a kind of gas designed by the utility model surveys fracture guide instrument, and the gas surveys fracture guide instrument
Including diversion chamber and data acquisition control system, described diversion chamber one end outer wall offers air inlet, diversion chamber's other end
Gas outlet is offered on outer wall, 3 pressure difference delivery outlets is offered side by side in the side wall of diversion chamber one, it is defeated to be followed successively by the first pressure difference
Outlet, the second pressure difference delivery outlet and the 3rd pressure difference delivery outlet,
The air inlet is connected with air inlet pipe, and the gas outlet is connected with escape pipe, and the escape pipe is connected to very
Empty pump and back pressure regulator, the air inlet pipe are connected by gas dosing line with data acquisition control system, the air inlet two
Temperature control line is separately installed with the water conservancy diversion chamber outer wall of side, the temperature control line other end connects with data acquisition control system
Logical, the first pressure difference delivery outlet, the second pressure difference delivery outlet and the 3rd pressure difference delivery outlet are connected to the first pressure difference pipe, second
Pressure difference pipe and the 3rd pressure difference pipe, the second pressure difference pipe are connected with temperature sensor and data acquisition control system in turn,
The 3rd pressure difference pipe is connected with pressure sensor, pressure-control valve in turn and to calibrator, first pressure difference
Pipe and the second pressure difference pipe between pressure sensor and pressure-control valve connect；The data acquisition control system passes through pressure-measuring pipe
The second pressure difference pipe connection between line and pressure sensor and pressure-control valve；
The side wall top surface of diversion chamber one is provided with displacement erector, and the displacement erector is connected with displacement sensing
Line, displacement sensing line is connected with displacement transducer and and data acquisition control system in turn described in displacement sensing line.
Further, diversion chamber's upper face center offers piston groove, is provided with the piston groove up and down back and forth
The piston of slip.
Yet further, the piston is fixed including lower piston, proppant pack, upper piston and top from the bottom to top
Plate, metallic plate is provided between the lower piston, proppant pack and upper piston.
Yet further, surrounding offers a circle seal groove at the top of the lower piston, and square is provided with the seal groove
Sealing ring,
Upper piston bottom outside wall surface offers two circle upper piston seal groove up and down, and the upper piston seal groove bottom right is extremely
On be disposed with square sealing ring and round sealing ring.
Yet further, the back pressure regulator bottom offers gas vent.
Yet further, the air inlet pipe between the diversion chamber and gas dosing line is provided with electrically heated rod.
The beneficial effects of the utility model：
Gas of the present utility model surveys fracture guide instrument and meets gas test and seal request, for compact sandstone gas, coal seam
The test evaluation of the unconventional reservoir flow conductivity such as gas, shale gas, there is important application value.
Brief description of the drawings
Fig. 1 is the structural representation that gas of the present utility model surveys fracture guide instrument；
Fig. 2 is the structural representation of diversion chamber 1；
Fig. 3 is Fig. 2 A-A profiles；
Fig. 4 is Fig. 2 B-B profiles；
Fig. 5 is the detail view of piston.
In figure, diversion chamber 1, air inlet 1.1, gas outlet 1.2, pressure difference delivery outlet 1.3, the first pressure difference delivery outlet 1.3a,
Two pressure difference delivery outlet 1.3b, the 3rd pressure difference delivery outlet 1.3c, piston groove 1.4, data acquisition control system 2, piston 3, lower piston
3.1st, seal groove 3.11, proppant pack 3.2, upper piston 3.3, upper piston seal groove 3.31, top fixing plate 3.4, metal
Plate 3.5, square sealing ring 3.6, round sealing ring 3.7, air inlet pipe 4, electrically heated rod 4.1, escape pipe 5, vavuum pump 6, back pressure are adjusted
Save device 7, gas vent 7.1, gas dosing line 8, temperature control line 9, the first pressure difference pipe 10, the second pressure difference pipe 11, the 3rd pressure difference
Pipe 12, temperature sensor 13, pressure sensor 14, pressure-control valve 15, to calibrator 16, pressure measurement pipeline 17, displacement erector
18th, displacement sensing line 18.1, displacement transducer 19.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, so as to art technology
Personnel understand.
As shown in Fig. 1~5：A kind of gas surveys fracture guide instrument, and gas, which surveys fracture guide instrument, includes diversion chamber 1 and data acquisition control
System 2 processed, one end outer wall of diversion chamber 1 offer air inlet 1.1, offer gas outlet 1.2 on the other end outer wall of diversion chamber 1, lead
3 pressure difference delivery outlets 1.3 are offered in the side wall of flow chamber 1 one side by side, are followed successively by the first pressure difference delivery outlet 1.3a, the output of the second pressure difference
Mouth 1.3b and the 3rd pressure difference delivery outlet 1.3c,
Air inlet 1.1 is connected with air inlet pipe 4, and gas outlet 1.2 is connected with escape pipe 5, and escape pipe 5 is connected to vavuum pump
6 and back pressure regulator 7, the bottom of back pressure regulator 7 offer gas vent 7.1；Air inlet pipe 3 passes through gas dosing line 8 and data
Acquisition control system 2 connects, and the air inlet pipe 4 between diversion chamber 1 and gas dosing line 8 is provided with electrically heated rod 4.1；
Be separately installed with temperature control line 9 on the outer wall of diversion chamber 1 of the both sides of air inlet 1.1, the other end of temperature control line 9 with
Data acquisition control system 2 connects, the first pressure difference delivery outlet 1.3a, the second pressure difference delivery outlet 1.3b and the 3rd pressure difference delivery outlet
1.3c is connected to the first pressure difference pipe 10, the second pressure difference pipe 11 and the 3rd pressure difference pipe 12, and the second pressure difference pipe 11 is connected with turn
Temperature sensor 13 and data acquisition control system 2,
3rd pressure difference pipe 12 is connected with pressure sensor 14, pressure-control valve 15 in turn and to calibrator 16, the first pressure difference
The second pressure difference pipe 11 between pipe 10 and pressure sensor 14 and pressure-control valve 15 connects；Data acquisition control system 2 passes through
The second pressure difference pipe 11 between pressure measurement pipeline 17 and pressure sensor 14 and pressure-control valve 15 connects；
The side wall top surface of diversion chamber 1 one is provided with displacement erector 18, and displacement erector 18 is connected with displacement sensing line
18.1, displacement sensing line 18.1 be connected with turn displacement transducer 19 and with data acquisition control system 2.
The upper face center of diversion chamber 1 offers piston groove 1.4, and the piston to slidably reciprocate up and down is provided with piston groove 1.4
3.Piston 3 includes lower piston 3.1, proppant pack 3.2, upper piston 3.3 and top fixing plate 3.4, lower piston from the bottom to top
3.1st, metallic plate 3.5 is provided between proppant pack 3.2 and upper piston 3.3.The top surrounding of lower piston 3.1 offers a circle
Seal groove 3.11, square sealing ring 3.6 is provided with seal groove 3.11, and the bottom outside wall surface of upper piston 3.3 offers two circle up and down
Upper piston seal groove 3.31, the bottom right of upper piston seal groove 3.31 is supreme to be disposed with square sealing ring 3.6 and round sealing ring
3.7。
Other unspecified parts are prior art.Although above-described embodiment is made that detailed to the utility model
Description, but it is only the utility model part of the embodiment, rather than whole embodiments, people can also be according to this implementations
Example obtains other embodiment under the premise of without creativeness, and these embodiments belong to scope of protection of the utility model.
Claims (6)
1. a kind of gas surveys fracture guide instrument, it is characterised in that：The gas, which surveys fracture guide instrument, includes diversion chamber (1) and data acquisition
Control system (2), described diversion chamber (1) one end outer wall offer air inlet (1.1), on diversion chamber (1) other end outer wall
Gas outlet (1.2) is offered, 3 pressure difference delivery outlets (1.3) are offered side by side in the side wall of diversion chamber (1) one, is followed successively by
One pressure difference delivery outlet (1.3a), the second pressure difference delivery outlet (1.3b) and the 3rd pressure difference delivery outlet (1.3c),
The air inlet (1.1) is connected with air inlet pipe (4), and the gas outlet (1.2) is connected with escape pipe (5), the escape pipe
(5) vavuum pump (6) and back pressure regulator (7) are connected to, the air inlet pipe (3) is adopted by gas dosing line (8) with data
Collect control system (2) connection, temperature control line is separately installed with diversion chamber (1) outer wall of air inlet (1.1) both sides
(9), temperature control line (9) other end connects with data acquisition control system (2), the first pressure difference delivery outlet
(1.3a), the second pressure difference delivery outlet (1.3b) and the 3rd pressure difference delivery outlet (1.3c) are connected to the first pressure difference pipe (10),
Two pressure difference pipes (11) and the 3rd pressure difference pipe (12), the second pressure difference pipe (11) are connected with temperature sensor (13) and data in turn
Acquisition control system (2),
The 3rd pressure difference pipe (12) is connected with pressure sensor (14), pressure-control valve (15) in turn and to calibrator (16),
The first pressure difference pipe (10) is connected with the second pressure difference pipe (11) between pressure sensor (14) and pressure-control valve (15)；Institute
State data acquisition control system (2) and pass through between pressure measurement pipeline (17) and pressure sensor (14) and pressure-control valve (15)
Two pressure difference pipes (11) connect；
The side wall top surface of diversion chamber (1) one is provided with displacement erector (18), and the displacement erector (18) is connected with
Displacement sensing line (18.1), the displacement sensing line (18.1) are connected with displacement transducer (19) and and data acquisition control in turn
System (2).
2. gas surveys fracture guide instrument according to claim 1, it is characterised in that：Diversion chamber (1) upper face center opens up
There is piston groove (1.4), the piston (3) to slidably reciprocate up and down is provided with the piston groove (1.4).
3. gas surveys fracture guide instrument according to claim 2, it is characterised in that：The piston (3) includes lower work from the bottom to top
Fill in (3.1), proppant pack (3.2), upper piston (3.3) and top fixing plate (3.4), the lower piston (3.1), proppant
Metallic plate (3.5) is provided between filling bed (3.2) and upper piston (3.3).
4. gas surveys fracture guide instrument according to claim 3, it is characterised in that：Surrounding opens up at the top of the lower piston (3.1)
There is a circle seal groove (3.11), be provided with square sealing ring (3.6) on the seal groove (3.11), under the upper piston (3.3)
Portion's outside wall surface offers two circle upper piston seal groove (3.31) up and down, and upper piston seal groove (3.31) bottom right is supreme to be set successively
It is equipped with square sealing ring (3.6) and round sealing ring (3.7).
5. gas surveys fracture guide instrument according to claim 1, it is characterised in that：Back pressure regulator (7) bottom offers
Gas vent (7.1).
6. gas surveys fracture guide instrument according to claim 1, it is characterised in that：The diversion chamber (1) and gas dosing line (8)
Between air inlet pipe (4) be provided with electrically heated rod (4.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720338648.9U CN206668255U (en) | 2017-04-01 | 2017-04-01 | Gas surveys fracture guide instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720338648.9U CN206668255U (en) | 2017-04-01 | 2017-04-01 | Gas surveys fracture guide instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206668255U true CN206668255U (en) | 2017-11-24 |
Family
ID=60366590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720338648.9U Expired - Fee Related CN206668255U (en) | 2017-04-01 | 2017-04-01 | Gas surveys fracture guide instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206668255U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406371A (en) * | 2018-12-17 | 2019-03-01 | 西安石油大学 | It is a kind of coupled based on man-made fracture with intrinsic fracture under permeability survey method and measuring system |
| CN109869128A (en) * | 2019-03-22 | 2019-06-11 | 长江大学 | The device of flow conductivity is surveyed for measuring shale gas gas |
-
2017
- 2017-04-01 CN CN201720338648.9U patent/CN206668255U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406371A (en) * | 2018-12-17 | 2019-03-01 | 西安石油大学 | It is a kind of coupled based on man-made fracture with intrinsic fracture under permeability survey method and measuring system |
| CN109869128A (en) * | 2019-03-22 | 2019-06-11 | 长江大学 | The device of flow conductivity is surveyed for measuring shale gas gas |
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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 |
Granted publication date: 20171124 Termination date: 20180401 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |