CN109869128A - The device of flow conductivity is surveyed for measuring shale gas gas - Google Patents
The device of flow conductivity is surveyed for measuring shale gas gas Download PDFInfo
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- CN109869128A CN109869128A CN201910222413.7A CN201910222413A CN109869128A CN 109869128 A CN109869128 A CN 109869128A CN 201910222413 A CN201910222413 A CN 201910222413A CN 109869128 A CN109869128 A CN 109869128A
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Abstract
The embodiment of the invention provides a kind of devices that flow conductivity is surveyed for measuring shale gas gas.Wherein, described device includes: diversion chamber 1, U-tube differential pressure pick-up 2, difference gauge connection control valve 2.1, difference gauge connection control valve 2.2, data collection system 3, high-pressure nitrogen bottle 4, gas pressure regulating valve 5, gas gauge 6, gas flowmeter 7, gas heater 8, heater temperature sensor 9, intake valve 10, photoelectric displacement sensor 11, inlet pressure transducer 12, diversion chamber's thermometer 13, outlet pressure sensor 14, vacuum pump 15, air outlet valve 16 and back-pressure valve 17.The device provided in an embodiment of the present invention that flow conductivity is surveyed for measuring shale gas gas can obtain more accurate pressure difference when measuring shale gas gas survey flow conductivity.
Description
Technical field
The present embodiments relate to oil gas development technology fields, more particularly to one kind to survey water conservancy diversion energy for measuring shale gas gas
The device of power.
Background technique
Hydraulic fracturing is that shale gas develops maximally efficient measure at this stage.After hydraulic fracturing, proppant supporting crack
Effective flow conductivity is also whether evaluation modification measures are successfully crucial.Shale fracture condudtiviy is situated between by displacement of liquid
What matter was tested, but since shale is met, water is easy expansion and shale gas is not aqueous when actual production, gas surveys water conservancy diversion
Ability could really reflect the penetrating power in crack in stratum.Using nitrogen simulation reservoir gas phase flowing, in formation temperature and have
Supporting crack flow conductivity is tested under the conditions of effect clossing pressure, there is directive significance to live pressing crack construction.Since gas surveys water conservancy diversion
Differential pressure is minimum compared to liquid survey flow conductivity in ability, and general flow conductivity tester surveys flow conductivity mainly for liquid, poor
Pressure sensor precision is inadequate, causes data inaccurate；And typically up to 120 DEG C of temperature of conventional equipment, maximum pressure 200MPa.One
As use entrance, outlet pressure sensor, delta pressure accuracy is only accurately most 10KPa, and the differential pressure numerical value in actual measurement is minimum,
It is calculated using current pressure difference (10KPa), the precision of obtained measurement result is far from enough.Therefore, finding one kind can
Precise measurement pressure difference, and then the device that more close true shale gas gas surveys flow conductivity is obtained, just become industry and urgently solves
Certainly the technical issues of.
Summary of the invention
In view of the above-mentioned problems existing in the prior art, the embodiment of the invention provides one kind leads for measuring the survey of shale gas gas
The device and method of stream ability.
In a first aspect, the embodiment provides a kind of device for surveying flow conductivity for measuring shale gas gas, packet
It includes: diversion chamber 1, U-tube differential pressure pick-up 2, difference gauge connection control valve 2.1, difference gauge connection control valve 2.2, data acquisition
System 3, high-pressure nitrogen bottle 4, gas pressure regulating valve 5, gas gauge 6, gas flowmeter 7, gas heater 8, heter temperature
Sensor 9, intake valve 10, photoelectric displacement sensor 11, inlet pressure transducer 12, diversion chamber's thermometer 13, outlet pressure pass
Sensor 14, vacuum pump 15, air outlet valve 16 and back-pressure valve 17；The diversion chamber 1, with the photoelectric displacement sensor 11, entrance pressure
Force snesor 12, diversion chamber's thermometer 13, outlet pressure sensor 14, vacuum pump 15, air outlet valve 16, difference gauge connect control valve
2.1 connect the connection of control valve 2.2 with difference gauge；The U-tube differential pressure pick-up 2, connect with the difference gauge control valve 2.1 and
Difference gauge connects control valve 2.2 and connects；The data collection system 3, with the U-tube differential pressure pick-up 2, gas gauge 6,
Heater temperature sensor 9, photoelectric displacement sensor 11, inlet pressure transducer 12, diversion chamber's thermometer 13 and outlet pressure
Sensor 14 connects；The back-pressure valve 17 is connect with the air outlet valve 16；The gas heater 8, with the gas flowmeter
7, heater temperature sensor 9 and intake valve 10 connect；The gas pressure regulating valve 5, with the high-pressure nitrogen bottle 4, gas pressure
Meter 6 and gas flowmeter 7 connect.
Further, the U-tube differential pressure pick-up 2, comprising: connector 2.3, connector 2.4, differential pressure pick-up bracket
2.5 and U-tube 2.6；The connector 2.3 connects control valve with the Single port of the U-tube 2.6 and the difference gauge
2.1 connection；The connector 2.4 is connect with the another port of the U-tube 2.6；The U-tube 2.6, is fixed on the difference
On pressure sensor bracket 2.5, there is scale on the U-tube 2.6.
Further, the diversion chamber 1, comprising: air inlet 1.1, gas outlet 1.2, temperature sensor jack 1.3 and heating
Stick bottoming hole 1.4；The air inlet 1.1, on a face side wall of the diversion chamber 1；The gas outlet 1.2 is located at and institute
On the another side side wall for stating the opposite diversion chamber 1 of a face side wall；The temperature sensor jack 1.3 is located at and described one
On the another surface side wall of the adjacent diversion chamber 1 of surface side wall；The heating rod bottoming hole 1.4 is located on the side wall of a face.
Further, the diversion chamber 1, further includes: piston 1.5, square seal ring 1.6, rubber pad 1.7,1.8 and of rock beam
Proppant filled layer 1.9；The piston 1.5, positioned at the internal component two sides of the diversion chamber 1；The square seal ring 1.6,
In the internal component of the diversion chamber 1, for sealing the diversion chamber 1；The rubber pad 1.7, with 1.8 phase of rock beam
Neighbour's setting；The rock beam 1.8 is disposed adjacent with the proppant filled layer 1.9；The proppant filled layer 1.9, with the rock
Plate 1.8 is disposed adjacent, positioned at the central location of the diversion chamber 1.
The device provided in an embodiment of the present invention that flow conductivity is surveyed for measuring shale gas gas, by being adopted in diversion chamber lower part
With U-tube differential pressure pick-up, more accurate pressure difference can be obtained when measuring shale gas gas survey flow conductivity.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to do a simple introduction, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the apparatus structure schematic diagram provided in an embodiment of the present invention that flow conductivity is surveyed for measuring shale gas gas；
Fig. 2 is U-tube differential pressure pick-up structural schematic diagram provided in an embodiment of the present invention；
Fig. 3 is diversion chamber's side wall construction schematic diagram provided in an embodiment of the present invention；
Fig. 4 is diversion chamber's perspective view of the explosion provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.In addition,
Technical characteristic in each embodiment or single embodiment provided by the invention can mutual any combination, to form feasible skill
Art scheme, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution occur it is mutual
Contradiction or when cannot achieve, it will be understood that the combination of this technical solution is not present, also not the present invention claims protection scope
Within.
The embodiment of the invention provides a kind of devices that flow conductivity is surveyed for measuring shale gas gas, referring to Fig. 1, the device
It include: diversion chamber 1, U-tube differential pressure pick-up 2, difference gauge connection control valve 2.1, difference gauge connects control valve 2.2, data are adopted
Collecting system 3, high-pressure nitrogen bottle 4, gas pressure regulating valve 5, gas gauge 6, gas flowmeter 7, gas heater 8, heater temperature
Spend sensor 9, intake valve 10, photoelectric displacement sensor 11, inlet pressure transducer 12, diversion chamber's thermometer 13, outlet pressure
Sensor 14, vacuum pump 15, air outlet valve 16 and back-pressure valve 17；The diversion chamber 1, with the photoelectric displacement sensor 11, entrance
Pressure sensor 12, diversion chamber's thermometer 13, outlet pressure sensor 14, vacuum pump 15, air outlet valve 16, difference gauge connection control
Valve 2.1 connects the connection of control valve 2.2 with difference gauge；The U-tube differential pressure pick-up 2 connect control valve 2.1 with the difference gauge
The connection of control valve 2.2 is connected with difference gauge；The data collection system 3, with the U-tube differential pressure pick-up 2, gas gauge
6, heater temperature sensor 9, photoelectric displacement sensor 11, inlet pressure transducer 12, diversion chamber's thermometer 13 and outlet pressure
Force snesor 14 connects；The back-pressure valve 17 is connect with the air outlet valve 16；The gas heater 8, with the gas flow
Meter 7, heater temperature sensor 9 and intake valve 10 connect；The gas pressure regulating valve 5, with the high-pressure nitrogen bottle 4, gas pressure
Power meter 6 and gas flowmeter 7 connect.Air supply system is by high-pressure nitrogen bottle 4, gas pressure regulating valve 5, gas gauge 6, gas flow
Meter 7, gas heater 8 are sequentially connected, and the gas gauge 6 is connect with data collection system 3, and the gas heater 8 connects
It is connected to heater temperature sensor 9, the heater temperature sensor 9 is connected with data collection system 3.Back pressure control system by
Back-pressure valve 17 is connected composition with air outlet valve 16.
Fig. 2 is referred to, on the basis of the above embodiments, what is provided in the embodiment of the present invention surveys for measuring shale gas gas
The device of flow conductivity, the U-tube differential pressure pick-up 2, comprising: connector 2.3, connector 2.4, differential pressure pick-up bracket
2.5 and U-tube 2.6；The connector 2.3 connects control valve with the Single port of the U-tube 2.6 and the difference gauge
2.1 connection；The connector 2.4 is connect with the another port of the U-tube 2.6；The U-tube 2.6, is fixed on the difference
On pressure sensor bracket 2.5, there is scale on the U-tube 2.6.Specifically, it is arranged on the U-tube differential pressure pick-up 2 and connects
Interface 2.3,2.4 and diversion chamber are connected through difference gauge connection control valve, U-tube differential pressure pick-up 2 and meanwhile with data collection system 3
It is connected, the U-tube differential pressure pick-up 2 is fixed on differential pressure pick-up bracket 2.5.
Fig. 3 is referred to, on the basis of the above embodiments, what is provided in the embodiment of the present invention surveys for measuring shale gas gas
The device of flow conductivity, the diversion chamber, comprising: air inlet 1.1, gas outlet 1.2, temperature sensor jack 1.3 and heating rod
Bottoming hole 1.4；The air inlet 1.1, on a face side wall of the diversion chamber 1；The gas outlet 1.2, be located at it is described
On the another side side wall of the opposite diversion chamber 1 of one face side wall；The temperature sensor jack 1.3 is located at and the one side
On the another surface side wall of the adjacent diversion chamber 1 of side wall；The heating rod bottoming hole 1.4 is located at face side wall.
Fig. 4 is referred to, on the basis of the above embodiments, what is provided in the embodiment of the present invention surveys for measuring shale gas gas
The device of flow conductivity, the diversion chamber 1, further includes: air inlet 1.1, gas outlet 1.2, temperature sensor jack 1.3, heating
Stick bottoming hole 1.4, piston 1.5, square seal ring 1.6, rubber pad 1.7, rock beam 1.8 and proppant filled layer 1.9；Wherein, into
Port 1.1, gas outlet 1.2, temperature sensor jack 1.3 and heating rod bottoming hole 1.4 connection relationship, with mark identical in Fig. 3
The component of note is completely the same, and details are not described herein.The piston 1.5, positioned at the internal component two sides of the diversion chamber 1；It is described
Square seal ring 1.6, in the internal component of the diversion chamber 1, for sealing the diversion chamber 1；The rubber pad 1.7,
It is disposed adjacent with the rock beam 1.8；The rock beam 1.8 is disposed adjacent with the proppant filled layer 1.9；The proppant is filled out
Layer 1.9 is filled, is disposed adjacent with the rock beam 1.8, positioned at the central location of the diversion chamber 1.Specifically, the proppant filling
Layer 1.9 is placed between two blocks of rock beams 1.8, and rock beam 1.8 is placed on rubber pad 1.7, and the piston 1.5 is placed in internal component
It is specifically as follows in diversion trench, can slides up and down, is compressed by hydraulic press and pressure is applied to proppant filled layer 1.9, on piston 1.5
Air seal is carried out equipped with square seal ring 1.6.Specifically, inlet pressure is connected between the air inlet 1.1 and intake valve
Sensor, the gas outlet 1.2 is connected with air outlet valve, and outlet pressure sensor and vacuum pump are connected in connecting pipeline.
The device provided in an embodiment of the present invention that flow conductivity is surveyed for measuring shale gas gas, by being adopted in diversion chamber lower part
With U-tube differential pressure pick-up, more accurate pressure difference can be obtained when measuring shale gas gas survey flow conductivity.
It, below will be provided by the above embodiment in order to more clearly from embody the Spirit Essence of technical solution of the present invention
Actual use method for measuring the device that shale gas gas surveys flow conductivity does an introduction.It should be noted that the user
Method is just for the sake of being more clear technical solution of the present invention, not to protection scope involved in technical solution of the present invention
Limitation, any scheme for meeting the technology of the present invention essence, within the protection domain of this patent..It is previously described for measurement shale
The testing procedure that gas gas surveys the device of flow conductivity is as follows:
The diversion chamber for loading proppant is placed on hydraulic press, difference gauge is first closed and connects control valve 2.1,2.2 (Fig. 1
Shown in), air inlet 1.1 (Fig. 3 or Fig. 4 shown in) and gas outlet 1.2 (Fig. 3 or Fig. 4 shown in), it is right to open vacuum pump 15
Diversion chamber 1 is vacuumized (shown in Fig. 1)；
Four electrically heated rods are sequentially inserted into four heating rod bottoming holes 1.4 (shown in Fig. 3), open gas heater 8
(shown in Fig. 1) is begun to warm up, and experimental temperature is arranged in control system, and temperature sensor is inserted into two temperature sensors
Jack 1.3 (Fig. 3 or Fig. 4 shown in) monitors water conservancy diversion room temperature T1 by diversion chamber's thermometer 13, is sensed by heter temperature
Device 9 monitors heter temperature T2 (shown in Fig. 1), if temperature is stablized in experimental temperature, reverses 17 back pressure of back-pressure valve (institute in Fig. 1
Show)；
Using hydraulic press to (shown in Fig. 1) on-load pressure of diversion chamber 1 to first group of clossing pressure, high-pressure nitrogen bottle is opened
4 (shown in Fig. 1), intake valve 10 (shown in Fig. 1) and air outlet valve 16 (shown in Fig. 1), regulating gas pressure regulator valve 5 is (in Fig. 1
It is shown), when stability of flow is when testing flow or so, unlatching difference gauge connects control valve 2.1,2.2 (shown in Fig. 1)；
When outlet pressure sensor 14 (shown in Fig. 1) measure pressure it is relatively stable when, read U-tube differential pressure pick-up 2
Water-column is poor (being read by scale) on (Fig. 1 or Fig. 2 shown in), is recorded to (the institute in Fig. 1 of data collection system 3
Show), computer will calculate flow conductivity size with measured data at this time；Changeable flow compares test, tests
Clossing pressure can be loaded after one group carries out next group of experiment；Test collected clossing pressure, temperature, flow, differential pressure, proppant
The data such as thickness are automatically saved and are calculated, and draw change curve, high-efficient.
The device provided in an embodiment of the present invention that flow conductivity is surveyed for measuring shale gas gas, has the advantage that
(1) U-tube differential pressure pick-up height is 2.5m, and 1m water column differential pressure is 9.8KPa, then tests differential pressure and be up to
24.5KPa has graduation mark on the U-tube of both sides, and precision 1mm, then measurement accuracy is 0.0098KPa, and measurement accuracy greatly improves.
It improves conventional gas and surveys flow conductivity formula:
Wherein, WfFor fracture width；P1For atmospheric pressure (being also the pressure of supporting crack entrance test point), it is known that；P2For branch
Crack the pressure of seam outlet test point, unit KPa；K is supporting crack permeability, and unit is μm2；Q0Crack is flowed through for gas
Flow, unit cm3/min；μ is gas viscosity, unit mPas；P0For atmospheric pressure.
The full accuracy as measured by pressure sensor is 10KPa；P1-P2As U-tube difference gauge both ends differential pressure Δ P, essence
Degree reaches 0.01KPa；Add-back pressure P ' stablizes outlet pressure when experiment, general test outlet pressure P2≈P′；
Then flow conductivity calculation formula are as follows:
(2) device uses Hastelloy, compression strength height, high temperature resistant, and analog maximum temperature is 150 DEG C, highest closure
Pressure 200MPa；
(3) device diversion chamber use square seal ring, added on rock beam can high-temperature resistant rubber pad, prevent rock beam from being pressed
Disconnected, temperature can be close to water conservancy diversion chamber interior walls after increasing, and further increase air-tight seal type
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (4)
1. a kind of device for surveying flow conductivity for measuring shale gas gas characterized by comprising
Diversion chamber (1), U-tube differential pressure pick-up (2), difference gauge connection control valve (2.1), difference gauge connection control valve (2.2),
Data collection system (3), high-pressure nitrogen bottle (4), gas pressure regulating valve (5), gas gauge (6), gas flowmeter (7), gas
Heater (8), heater temperature sensor (9), intake valve (10), photoelectric displacement sensor (11), inlet pressure transducer
(12), diversion chamber's thermometer (13), outlet pressure sensor (14), vacuum pump (15), air outlet valve (16) and back-pressure valve (17)；
The diversion chamber (1), with the photoelectric displacement sensor (11), inlet pressure transducer (12), diversion chamber's thermometer
(13), outlet pressure sensor (14), vacuum pump (15), air outlet valve (16), difference gauge connection control valve (2.1) and difference gauge connect
Connect control valve (2.2) connection；
The U-tube differential pressure pick-up (2) connect control valve (2.1) and difference gauge connection control valve (2.2) with the difference gauge
Connection；
The data collection system (3) senses with the U-tube differential pressure pick-up (2), gas gauge (6), heter temperature
Device (9), photoelectric displacement sensor (11), inlet pressure transducer (12), diversion chamber's thermometer (13) and outlet pressure sensor
(14) it connects；
The back-pressure valve (17), connect with the air outlet valve (16)；
The gas heater (8), even with the gas flowmeter (7), heater temperature sensor (9) and intake valve (10)
It connects；
The gas pressure regulating valve (5) connect with the high-pressure nitrogen bottle (4), gas gauge (6) and gas flowmeter (7).
2. the device according to claim 1 for surveying flow conductivity for measuring shale gas gas, which is characterized in that the U-shaped
Pipe differential pressure pick-up (2), comprising:
Connector (2.3), connector (2.4), differential pressure pick-up bracket (2.5) and U-tube (2.6)；
The connector (2.3) connects with the Single port of the U-tube (2.6) and difference gauge connection control valve (2.1)
It connects；
The connector (2.4), connect with the another port of the U-tube (2.6)；
The U-tube (2.6) is fixed on the differential pressure pick-up bracket (2.5), has scale on the U-tube (2.6).
3. the device according to claim 1 for surveying flow conductivity for measuring shale gas gas, which is characterized in that the water conservancy diversion
Room (1), comprising:
Air inlet (1.1), gas outlet (1.2), temperature sensor jack (1.3) and heating rod bottoming hole (1.4)；
The air inlet (1.1) is located on a face side wall of the diversion chamber (1)；
The gas outlet (1.2), on the another side side wall of the diversion chamber (1) opposite with face side wall；
The temperature sensor jack (1.3), positioned at the another surface side wall of the diversion chamber (1) adjacent with face side wall
On；
The heating rod bottoming hole (1.4) is located on the side wall of a face.
4. the device according to claim 1 for surveying flow conductivity for measuring shale gas gas, which is characterized in that the water conservancy diversion
Room (1), further includes:
Piston (1.5), square seal ring (1.6), rubber pad (1.7), rock beam (1.8) and proppant filled layer (1.9)；
The piston (1.5) is located at the internal component two sides of the diversion chamber (1)；
The square seal ring (1.6) is located in the internal component of the diversion chamber (1), for sealing the diversion chamber (1)；
The rubber pad (1.7), is disposed adjacent with the rock beam (1.8)；
The rock beam (1.8) is disposed adjacent with the proppant filled layer (1.9)；
The proppant filled layer (1.9), is disposed adjacent with the rock beam (1.8), is located at the central position of the diversion chamber (1)
It sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910222413.7A CN109869128A (en) | 2019-03-22 | 2019-03-22 | The device of flow conductivity is surveyed for measuring shale gas gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910222413.7A CN109869128A (en) | 2019-03-22 | 2019-03-22 | The device of flow conductivity is surveyed for measuring shale gas gas |
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| Publication Number | Publication Date |
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| CN109869128A true CN109869128A (en) | 2019-06-11 |
Family
ID=66921110
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910222413.7A Pending CN109869128A (en) | 2019-03-22 | 2019-03-22 | The device of flow conductivity is surveyed for measuring shale gas gas |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780247A (en) * | 2020-12-24 | 2021-05-11 | 西南石油大学 | Acid fracturing etching experimental device and experimental method |
| CN115032368A (en) * | 2022-06-07 | 2022-09-09 | 西南石油大学 | Fracturing fracture self-supporting flow conductivity overall-process evaluation method |
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| CN102183796A (en) * | 2011-03-02 | 2011-09-14 | 西南石油大学 | Testing device and method for simulating backflow of propping agent |
| US9594038B1 (en) * | 2015-09-30 | 2017-03-14 | China University Of Petroleum (East China) | Device and method for measuring supercritical carbon dioxide fracturing fluid throttling coefficient under different viscosities |
| CN106679927A (en) * | 2016-06-15 | 2017-05-17 | 南京工程学院 | Air resistance coefficient meter constructed based on small wind tunnel |
| CN206668255U (en) * | 2017-04-01 | 2017-11-24 | 长江大学 | Gas surveys fracture guide instrument |
| CN209724312U (en) * | 2019-03-22 | 2019-12-03 | 长江大学 | The device of flow conductivity is surveyed for measuring shale gas gas |
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2019
- 2019-03-22 CN CN201910222413.7A patent/CN109869128A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102183796A (en) * | 2011-03-02 | 2011-09-14 | 西南石油大学 | Testing device and method for simulating backflow of propping agent |
| US9594038B1 (en) * | 2015-09-30 | 2017-03-14 | China University Of Petroleum (East China) | Device and method for measuring supercritical carbon dioxide fracturing fluid throttling coefficient under different viscosities |
| CN106679927A (en) * | 2016-06-15 | 2017-05-17 | 南京工程学院 | Air resistance coefficient meter constructed based on small wind tunnel |
| CN206668255U (en) * | 2017-04-01 | 2017-11-24 | 长江大学 | Gas surveys fracture guide instrument |
| CN209724312U (en) * | 2019-03-22 | 2019-12-03 | 长江大学 | The device of flow conductivity is surveyed for measuring shale gas gas |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780247A (en) * | 2020-12-24 | 2021-05-11 | 西南石油大学 | Acid fracturing etching experimental device and experimental method |
| CN115032368A (en) * | 2022-06-07 | 2022-09-09 | 西南石油大学 | Fracturing fracture self-supporting flow conductivity overall-process evaluation method |
| CN115032368B (en) * | 2022-06-07 | 2023-08-04 | 西南石油大学 | Fracturing fracture self-supporting diversion capacity overall process evaluation method |
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