CN110017132A - A kind of hydraulic fracturing packer and fracturing section pressure monitoring device - Google Patents
A kind of hydraulic fracturing packer and fracturing section pressure monitoring device Download PDFInfo
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- CN110017132A CN110017132A CN201910438084.XA CN201910438084A CN110017132A CN 110017132 A CN110017132 A CN 110017132A CN 201910438084 A CN201910438084 A CN 201910438084A CN 110017132 A CN110017132 A CN 110017132A
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- fracturing section
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- 238000012806 monitoring device Methods 0.000 title claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000002344 surface layer Substances 0.000 claims description 11
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract 1
- 102000010637 Aquaporins Human genes 0.000 description 97
- 238000013461 design Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 108010063290 Aquaporins Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
A kind of hydrofracturing measuring device, including, pressure break water channel, setting water channel, first pressure sensor and second pressure sensor；Wherein, high pressure water needed for the pressure break water channel is used to provide hydrofracturing operation for fracturing section；The setting water channel is for providing the high pressure water for enabling to the packer inflation for packer；First pressure sensor can measure or monitor the pressure in the pressure break water channel；Second pressure sensor can measure or monitor simultaneously the pressure in the setting water channel.The pressure sensor that the hydrofracturing measuring device passes through installation monitoring packer pressure and fracturing section pressure respectively, can in a limited space in realize and meanwhile monitor fracturing section and packer pressure condition purpose, and pressure sensor module can be with the compatible existing hydrofracturing measuring device of lower cost, so that entire hydrofracturing measuring device function is more abundant.
Description
Technical field
The present invention relates to a kind of pressure monitoring devices more particularly to a kind of for the envelope in water pressure supporing
Every the device that the pressure of device and fracturing section is monitored.
Background technique
Hydraulic fracturing is a kind of effective ways of existing measurement crustal stress states, and this method uses hydrofracturing measurement dress
It sets and realizes in the borehole.The nucleus module of usual hydrofracturing measuring device includes the push-and-pull switch for being set to upper end, setting
In two straddle packers of lower end, the fracturing section that is arranged between two packers and between be arranged it is various
Water channel.The packer is expanded by high pressure water, and then the space above and below fracturing section and drilling is insulated.The fracturing section
Make stratum or rock mass that micro rupture occur by high pressure water in the case where the packing of upper down space, and then is supervised by pressure sensor
Pressure information when surveying fracture open and closure can determine the size of crustal stress.In existing hydraulic fracturing geostress survey
In device, due to the limitation in bore inner space, along with mistake when being both provided with hydraulic fracturing in the central tubular rod of packer
Aquaporin, thus pressure sensor can not be installed on the inside of packer, otherwise by will affect packer high pressure resistant structure and
The circulation of pressure break high pressure water is not provided with so being generally provided only with pressure sensor on well in existing hydrofracturing measuring device
Underground pressure sensor or the sensor that can only install a monitoring fracturing section pressure, this to monitor packer pressure in the presence of tired
It is difficult.Pressure data in the packer no less important for water pressure supporing method, which is under reflection equipment raise, is
No important evidence working properly, thus need accurately, easily monitor packer in a kind of size in a limited space
The design of hydraulic pressure, to realize the perfect of existing hydrofracturing measuring device function.
Summary of the invention
For the technical problem present on, the application design pressure monitoring device by will monitor packer pressure with
Two pressure sensors of monitoring fracturing section pressure are incorporated into a module, so as to conveniently realize while monitoring pressure break
The purpose of water pressures in section and packer.
The present invention relates to a kind of hydrofracturing measuring device, including pressure break water channel, setting water channel, first pressure sensor with
And second pressure sensor；Wherein, high pressure water needed for the pressure break water channel provides hydrofracturing operation for fracturing section；The seat
Water shutoff road provides the high pressure water for enabling to the packer inflation for packer；First pressure sensor can be measured or be monitored
Pressure in the pressure break water channel；Second pressure sensor can measure or monitor simultaneously the pressure in the setting water channel.
Preferably, the first pressure sensor is arranged in the fracturing section, and the second pressure sensor setting exists
In pressure sensor oversheath.
Preferably, the pressure sensor oversheath is connect with the fracturing section, and in the pressure sensor oversheath
Portion can be connected to the setting water channel.
Preferably, described device include upper packer, fracturing section, pressure sensor oversheath, sensor base and under
Packer；The upper packer is connected with one end of the fracturing section；Other end inside and the sensing of the fracturing section
Device pedestal is connected, and is connected on the outside of the other end with the pressure sensor oversheath；The pressure sensor oversheath
It is connected with the lower packet；The sensor base seals the one of the separate upper packer of the water channel inside the fracturing section
End.
Preferably, the pressure break water channel includes upper packer center-pole water channel and fracturing section internal water channel.
Preferably, the upper packer includes upper packer center-pole, is had inside the upper packer center-pole described
Upper packer center-pole water channel, the upper packer center-pole water channel with head race for being connected；Inside the fracturing section
With the fracturing section internal water channel, the fracturing section internal water channel can be connected with the upper packer center-pole water channel；
Have on the side wall of the fracturing section through at least one pressure break hole of the fracturing section side wall, the pressure break hole makes the pressure
Splitting intersegmental part water channel can be connected to the external of the fracturing section, to realize hydrofracturing behaviour by the high pressure water from upstream
Make.
Preferably, the setting water channel include upper packer internal water channel, fracturing section side water channel, setting sensor water channel with
And lower packet internal water channel.
Preferably, upper packer has the upper packer internal water channel, and the upper packer internal water channel is set to
It is described for being made by the hydraulic pressure in the upper packer internal water channel between packer center-pole and upper packer surface layer
The expansion of packer surface layer.
Preferably, fracturing section side water channel is set in the side wall of the fracturing section along the direction for being parallel to axis, institute
Fracturing section side water channel is stated not to be interconnected with the pressure break hole；Fracturing section side water channel can be with the upper packer internal water
Road is connected.
Preferably, the setting sensor water channel, the setting sensor are formed in the pressure sensor oversheath
Water channel one end can be connected to fracturing section side water channel, and the other end can be connected with the lower packet internal water channel；Institute
Lower packet internal water channel is stated for making the lower packet surface layer swollen by the hydraulic pressure in the lower packet internal water channel
It is swollen.
Preferably, the first pressure sensor and second pressure sensor are both connected in the sensor base.
Preferably, the sensor base is towards the direction of the upper packer, in the axial direction, in the fracturing section
It is coaxially arranged with pressure break sensor jacket, the outer diameter of the pressure break sensor jacket is less than the interior of the fracturing section internal water channel
Diameter, so that the pressure break sensor jacket can extend into the fracturing section internal water channel；The first pressure sensor
It is arranged in the pressure break sensor jacket.
Preferably, the pressure break sensor jacket has opening towards one end of upper packer, so that the pressure break senses
It is connected in device sheath with the fracturing section internal water channel, to allow described in the high pressure water entrance in the fracturing section internal water channel
In pressure break sensor jacket, the first pressure sensor is enabled to measure the hydraulic pressure in the pressure break water channel.
Preferably, the opening of the pressure break sensor jacket is connected with pressure break sensor protection connector, and the pressure break passes
Sensor protects the inside of connector to have the through-hole for penetrating through both ends, so that the high pressure water in the fracturing section internal water channel can lead to
The through-hole is crossed to be connected with the inside of the fracturing section pressure sensor sheath, at the same prevent the pressure sensor from from
Abjection in the fracturing section pressure sensor sheath.
Preferably, the sensor base is towards the direction of lower packet, along axis in the pressure sensor oversheath
Line direction is coaxially connected with setting sensor jacket, and the second pressure sensor is arranged on the setting sensor jacket
It is interior；The outer diameter of the setting sensor jacket is less than the internal diameter of the pressure sensor oversheath, so that the setting sensing
When device sheath is accommodated in the pressure sensor oversheath, protected outside the setting sensor jacket and the pressure sensor
Set is coaxially disposed and forms setting sensor water channel therebetween.
Preferably, the setting sensor jacket has opening towards one end of lower packet, thus the setting sensing
It is connected in device sheath with the setting sensor water channel, to allow the high pressure water in the setting sensor water channel to be able to enter
In the setting sensor jacket, the second pressure sensor is enabled to measure the hydraulic pressure in the setting water channel.
Preferably, the opening of the setting sensor jacket is connected with setting sensor protection connector, the setting biography
Sensor protects the inside of connector to have the through-hole for penetrating through both ends, so that the high pressure water in the setting sensor water channel can lead to
The through-hole is crossed to be connected with the inside of the setting pressure sensor sheath, at the same prevent the second pressure sensor from
Deviate from out of described fracturing section pressure sensor sheath.
Compared with prior art, the present invention passes through the two pressure sensors setting that will measure pressure break water channel and setting water channel
On the both sides of a sensor base, so that a pressure monitoring module is formed, in this way, beneficial effect is to be consolidated when the module
When being scheduled between fracturing section and lower packet, interior in a limited space the hydraulic pressure and prison monitored in pressure break water channel can be realized simultaneously
Survey the hydraulic pressure in setting water channel.Design of the invention is succinct, easy to operate, and can be with the compatible existing water of lower cost
Fracturing measuring device is pressed, so that entire hydrofracturing measuring device function is more abundant.
Detailed description of the invention
Attached drawing 1: the pressure monitoring device structural schematic diagram for hydrofracturing measuring device.
100- upper packer, 101- upper packer center-pole, 102- upper packer internal water channel, 103- upper packer table
Layer, 104- upper packer center-pole water channel, 200- lower packet, 201- lower packet internal water channel, 202- lower packet surface layer,
300- fracturing section, 301- fracturing section water channel, 302- fracturing section side water channel, 303- pressure break hole, 401- sensor base, 402- pressure break
Sensor jacket, 403- pressure sensor, 404- pressure break sensor protection connector, 405- pressure sensor oversheath, 406-
Seal sensor jacket, the setting sensor water channel of 407-, the setting sensor protection connector of 408-.
Specific embodiment
As shown in Figure 1, the hydrofracturing measuring device of the present embodiment, including upper packer 100, lower packet 200, pressure break
Section 300 and pressure monitoring section 400, in substantially cylindric.
The upper packer 100 has upper packer center-pole 101 and upper packer surface layer 103, in the upper packer
Upper packer internal water channel 102 is formed between core bar 101 and upper packer surface layer 103, the upper packer internal water channel 102 is used
In make under the action of high pressure water upper packer surface layer 103 expand.101 inside center of upper packer center-pole is set along axis
It is equipped with upper packer center-pole water channel 104, the upper packer 100 can be connect with fracturing section 300 by helicitic texture.
The fracturing section is integrally in sleeve-like configuration, and axis is provided with fracturing section in 300 inside center of fracturing section
Water channel 301 is provided with fracturing section side water channel 302 along the direction that parallels to the axis on the side wall of the fracturing section 300, when the upper envelope
When device 100 and the fracturing section 300 are screwed by the helicitic texture, the upper packer center-pole water channel 104 can be with
The fracturing section water channel 301 is connected, and the upper packer internal water channel 102 can be connected with fracturing section side water channel 302
It is logical.Along at least one pressure break hole 303 that is horizontally arranged with perpendicular to the axis on the side wall of the fracturing section 300, such as
5 pressure break holes 303 are provided in the present embodiment, the one end in the pressure break hole 303 is connected to the fracturing section water channel 301, another
End is connected with the outside of the fracturing section 300, for the high pressure water inside the fracturing section water channel 301 to be discharged into the pressure
The outside of section 300 is split, to realize the effect of hydrofracturing.The pressure break hole 300 is not attached to fracturing section side water channel 302
It is logical.
The fracturing section 300 can pass through screw thread with sensor base 401 far from one end inside of the upper packer 100
Structure connection, the sensor base 401 can seal the fracturing section water channel 301 in this above-mentioned one end.The sensor bottom
Seat 401 is towards the direction of the upper packer 100, in the axial direction, pressure break sensing is coaxially arranged in the fracturing section 300
Device sheath 402, the outer diameter of the pressure break sensor jacket 402 are less than the internal diameter of the fracturing section water channel 301, so that when described
When sensor base 401 is connect with the fracturing section 300, the pressure break sensor jacket 402 can extend into the fracturing section
In water channel 301.
Pressure sensor 403 is fixed in the pressure break sensor jacket 402, and the pressure break sensor jacket 402 exists
The direction of the upper packer 100 is provided with opening, thus the pressure break sensor jacket 402 in the fracturing section water
Road 301 is connected, to allow the high pressure water in fracturing section to enter in the pressure break sensor jacket 402, so that the pressure passes
Sensor 403 can measure the hydraulic pressure in the fracturing section water channel 301.Preferably, the opening of the pressure break sensor jacket 402
It is connected with pressure break sensor protection connector 404, the inside of the pressure break sensor protection connector 404 has the logical of perforation both ends
Hole, whole is in sleeve-like configuration, so that the high pressure water in the fracturing section water channel 301 can pass through the through-hole and the pressure
The inside for splitting sensor jacket 402 is connected.Meanwhile the internal diameter of the pressure break sensor protection connector 404 is preferably less than institute
The size of pressure sensor 403 is stated, so that the pressure sensor 403 cannot take off out of described pressure break sensor jacket 402
Out.
It follows that the pressure sensor 403 is arranged on by the upper packer center-pole water channel 104 and fracturing section
It is described so as to measure or monitor in the pressure break water channel for providing hydraulic pressure needed for hydrofracturing that water channel 301 is collectively formed
Hydraulic pressure in pressure break water channel.
It the outside of the one end of the fracturing section 300 far from the upper packer 100 can be with pressure sensor oversheath 405
It is connected by helicitic texture, the pressure sensor oversheath 405 is in sleeve-like configuration.The sensor base 401 is under
The direction of packer 200 is coaxially connected with setting sensor shield in the pressure sensor oversheath 405 in the axial direction
Set 406.The outer diameter of the setting sensor jacket 406 is less than the internal diameter of the pressure sensor oversheath 405, so that working as institute
State pressure sensor oversheath 405 and when the setting sensor jacket 406 is tightly coupled, the setting sensor jacket
406 can be accommodated in the cavity inside the pressure sensor oversheath 405.Preferably, the setting sensor jacket
406 are coaxially disposed with the pressure sensor oversheath 405 and retain therebetween certain gap, and the gap forms seat
Sensor water channel 407 is sealed, setting 407 side of sensor water channel is connected to fracturing section side water channel 302, and the other side is under
The lower packet internal water channel 201 of packer 200 is connected to, and the lower packet internal water channel 201 is for making lower packet surface layer
202 expand under the action of high pressure water.
Another pressure sensor 403 is fixed in the setting sensor jacket 406, the setting sensor jacket
406 towards one end of the lower packet 200 be equipped with opening, thus the setting sensor jacket 406 in the setting biography
Sensor water channel 407 is connected, in the upper packer internal water channel 102 through fracturing section side water channel 302, the setting sensing
It is another in the setting sensor jacket 406 in the case that device water channel 407 is connected with the lower packet internal water channel 201
One pressure sensor 403 can measure the hydraulic pressure in the setting sensor water channel 407.Preferably, the setting sensor
The opening of sheath 406 is also connected with setting sensor protection connector 408, the inside of the setting sensor protection connector 408
Through-hole with perforation both ends, whole is in sleeve-like configuration, so that the high pressure water in the setting sensor water channel 407 can
It is connected by the through-hole with the inside of the setting sensor jacket 406.Meanwhile the setting sensor protection connector
408 internal diameter is preferably less than the size of another pressure sensor 403, so that another described pressure sensor
403 cannot deviate from out of described setting sensor jacket 406.
It follows that another described pressure sensor 403 is arranged on by the upper packer internal water channel 102, institute
That states that fracturing section side water channel 302, the setting sensor water channel 407 and lower packet internal water channel 201 be collectively formed is used for
In the setting water channel for expanding upper packer 100 and lower packet 200, to measure or monitor the hydraulic pressure in the setting water channel.
In conclusion pressure sensor there are two the pressure monitoring device module tools that the present invention designs, two pressure sensings
Device is separately positioned on the both sides of a sensor base, thus when entire pressure monitoring device module is fixed on fracturing section under
When between packer, interior in a limited space it can not only monitor the hydraulic pressure in pressure break water channel but also monitor the hydraulic pressure of setting water channel.It is whole
It is succinct, easy to operate to cover equipment design, and can be with the compatible existing hydrofracturing measuring device of lower cost, so that whole
A hydrofracturing measuring device function is more abundant.
The some embodiments of the present invention recited above that only explain through diagrams, due to the common of same technique field
It is easy to carry out several modifications and change on this basis for technical staff, therefore this specification is not intended to office of the present invention
Limit is in shown and described specific structure and the scope of application, therefore all corresponding modifications that may be utilized and equivalent,
Belong to the applied the scope of the patents of the present invention.
Claims (17)
1. a kind of pressure monitoring device, including pressure break water channel, setting water channel, first pressure sensor and second pressure sensing
Device；Wherein,
High pressure water needed for the pressure break water channel provides hydrofracturing operation for fracturing section；
The setting water channel provides the high pressure water for enabling to the packer inflation for packer；
First pressure sensor can measure or monitor the pressure in the pressure break water channel；
Second pressure sensor can measure or monitor simultaneously the pressure in the setting water channel.
2. device as described in claim 1, which is characterized in that the first pressure sensor is arranged in the fracturing section,
The second pressure sensor is arranged in pressure sensor oversheath.
3. device as claimed in claim 3, which is characterized in that the pressure sensor oversheath is connect with the fracturing section,
And it can be connected to the setting water channel inside the pressure sensor oversheath.
4. device as claimed in any one of claims 1-3, which is characterized in that described device include upper packer, fracturing section,
Pressure sensor oversheath, sensor base and lower packet；The upper packer is connected with one end of the fracturing section；
It is connected on the inside of the other end of the fracturing section with the sensor base, on the outside of the other end and outside the pressure sensor
Sheath is connected；The pressure sensor oversheath is connected with the lower packet；The sensor base seals the pressure
Split one end of the separate upper packer of the water channel of intersegmental part.
5. device as claimed in claim 4, which is characterized in that the pressure break water channel include upper packer center-pole water channel and
Fracturing section internal water channel.
6. device as claimed in claim 5, which is characterized in that the upper packer includes upper packer center-pole, it is described on
There is the upper packer center-pole water channel, the upper packer center-pole water channel is used for and upper water inside packer center-pole
Road is connected；There is the fracturing section internal water channel inside the fracturing section, the fracturing section internal water channel can with it is described on
Packer center-pole water channel is connected；There is at least one pressure break through the fracturing section side wall on the side wall of the fracturing section
Hole, the pressure break hole enables the fracturing section internal water channel to be connected to the external of the fracturing section, by coming from upstream
High pressure water realize hydrofracturing operation.
7. device as claimed in claim 4, which is characterized in that the setting water channel includes upper packer internal water channel, pressure break
Section side water channel, setting sensor water channel and lower packet internal water channel.
8. device as claimed in claim 7, which is characterized in that upper packer has the upper packer internal water channel, described
Upper packer internal water channel is set between upper packer center-pole and upper packer surface layer, for by the upper packer
Hydraulic pressure in portion's water channel expands the upper packer surface layer.
9. device as claimed in claim 7, which is characterized in that fracturing section side water channel is along the direction setting for being parallel to axis
In in the side wall of the fracturing section, fracturing section side water channel is not interconnected with the pressure break hole；Fracturing section side water channel
It can be connected with the upper packer internal water channel.
10. device as claimed in claim 7, which is characterized in that be formed in the pressure sensor oversheath described setting
Sensor water channel, described setting sensor water channel one end can be connected to fracturing section side water channel, the other end can with it is described
Lower packet internal water channel is connected；The lower packet internal water channel is for passing through the water in the lower packet internal water channel
Pressure is so that the lower packet surface layer expands.
11. device as claimed in claim 4, which is characterized in that the first pressure sensor and second pressure sensor are equal
It is connected in the sensor base.
12. device as claimed in claim 11, which is characterized in that the sensor base is towards the side of the upper packer
To in the axial direction, pressure break sensor jacket, the outer diameter of the pressure break sensor jacket being coaxially arranged in the fracturing section
Less than the internal diameter of the fracturing section internal water channel, so that the pressure break sensor jacket can extend into inside the fracturing section
In water channel；The first pressure sensor is arranged in the pressure break sensor jacket.
13. device as claimed in claim 12, which is characterized in that the pressure break sensor jacket is towards one end of upper packer
With opening, to be connected in the pressure break sensor jacket with the fracturing section internal water channel, to allow the fracturing section
High pressure water in internal water channel enters in the pressure break sensor jacket, the first pressure sensor is measured described
Hydraulic pressure in pressure break water channel.
14. device as claimed in claim 13, which is characterized in that the opening of the pressure break sensor jacket is connected with pressure break
Sensor protection connector, the inside of the pressure break sensor protection connector has the through-hole at perforation both ends, so that the pressure break
High pressure water in intersegmental part water channel can be connected by the through-hole with the inside of the fracturing section pressure sensor sheath, together
When prevent the pressure sensor from deviating from out of described fracturing section pressure sensor sheath.
15. device as claimed in claim 4, which is characterized in that the sensor base is towards the direction of lower packet, in institute
It states and is coaxially connected with setting sensor jacket in pressure sensor oversheath in the axial direction, the second pressure sensor is set
It sets in the setting sensor jacket；The outer diameter of the setting sensor jacket is less than the interior of the pressure sensor oversheath
Diameter, so that when the setting sensor jacket is accommodated in the pressure sensor oversheath, the setting sensor shield
Set is coaxially disposed with the pressure sensor oversheath and forms setting sensor water channel therebetween.
16. device as claimed in claim 15, which is characterized in that the setting sensor jacket is towards one end of lower packet
With opening, to be connected in the setting sensor jacket with the setting sensor water channel, to allow the setting biography
High pressure water in sensor water channel is able to enter in the setting sensor jacket, and the second pressure sensor is measured
Hydraulic pressure in the setting water channel.
17. device as claimed in claim 13, which is characterized in that the opening of the setting sensor jacket is connected with setting
Sensor protection connector, the inside of the setting sensor protection connector has the through-hole at perforation both ends, so that described setting
High pressure water in sensor water channel can be connected by the through-hole with the inside of the setting pressure sensor sheath, simultaneously
Prevent the second pressure sensor out of described fracturing section pressure sensor sheath from deviating from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910438084.XA CN110017132B (en) | 2019-05-24 | 2019-05-24 | Hydraulic fracturing packer and fracturing section pressure monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910438084.XA CN110017132B (en) | 2019-05-24 | 2019-05-24 | Hydraulic fracturing packer and fracturing section pressure monitoring device |
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| CN110017132A true CN110017132A (en) | 2019-07-16 |
| CN110017132B CN110017132B (en) | 2023-12-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111042786A (en) * | 2019-11-19 | 2020-04-21 | 北京同力地质科技有限公司 | Hydraulic fracturing measuring device suitable for three-dimensional measuring device |
| CN111677497A (en) * | 2020-06-28 | 2020-09-18 | 中国地质科学院地质力学研究所 | Hydrofracturing stress detection device and detecting system |
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| CN111677497A (en) * | 2020-06-28 | 2020-09-18 | 中国地质科学院地质力学研究所 | Hydrofracturing stress detection device and detecting system |
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