CN110375917A - A kind of difference strain geostress survey device - Google Patents
A kind of difference strain geostress survey device Download PDFInfo
- Publication number
- CN110375917A CN110375917A CN201910796203.9A CN201910796203A CN110375917A CN 110375917 A CN110375917 A CN 110375917A CN 201910796203 A CN201910796203 A CN 201910796203A CN 110375917 A CN110375917 A CN 110375917A
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- pressure
- cylinder
- plug
- temperature
- pressure chamber
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- 239000011435 rock Substances 0.000 claims abstract description 25
- 238000012806 monitoring device Methods 0.000 claims abstract description 9
- 239000011888 foil Substances 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 235000004443 Ricinus communis Nutrition 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims 1
- 241001062009 Indigofera Species 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 7
- 238000012360 testing method Methods 0.000 abstract description 3
- 238000013480 data collection Methods 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 240000000528 Ricinus communis Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013211 curve analysis Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
Abstract
The present invention relates to rock test device technical fields, more particularly to a kind of difference strain geostress survey device, including bracket, one pressure chamber is installed on bracket, the side of pressure chamber is equipped with pipe valve and confining pressure tracking pump, and the top of confining pressure tracking pump is successively arranged safety alarm and temperature, pressure acquisition monitoring device；Pressure chamber includes cylinder, is set to the intracorporal rock core indigo plant of cylinder, the outside of rock core indigo plant is equipped with a foil gauge, and the top of cylinder is equipped with a plug, and plug is connect by pressure cap with cylinder, it is equipped with retaining ring between the top and pressure cap of plug, sealing ring is equipped between the bottom and cylinder of plug；The present invention controls pressure chamber confining pressure using confining pressure tracking pump and pressure acquisition system; stress-strain data of the rock mass under specific temperature pressure state is acquired by stress-strain gage; data collection system can track pump to confining pressure and carry out teletransmission control; simultaneous computer design has superpressure, overtemperature alarm, defencive function, greatly improves operator's conventional efficient.
Description
Technical field
The present invention relates to rock test device technical field more particularly to a kind of difference strain geostress survey devices.
Background technique
Currently, mechanical property research of the rock mass under complex stress condition is mainly used in optimization design flooding pattern, mention
High recovery rate；It determines suitable production string, avoids that casing deformation occurs in oil-water well production process, so that causing producing well report
It is useless；Optimize Drilling Design scheme, reduces drilling engineering accident；Optimization design pressing crack construction scheme, prevents oil well sudden water flooding, changes
Kind fracturing effect；It determines best water injection pressure, improves water-injection efficiency, reduce water_bearing escalating rate.Rock core seepage characteristic is to calculate oil
The basic parameter of field reserves, and determine one of the basic data of effective pay thickiness.And difference strain geostress survey device master
It is used to test mechanical property and seepage characteristic of the rock mass under complex stress condition, measuring accuracy high-performance is stablized, can be with
Data acquisition is carried out, using control modes such as axial strain, transverse strains.
Wherein, differential strain analysis is commonly referred to as poor strain curve analysis, is a kind of common laboratory core crustal stress survey
Amount method, theoretical basis is reliable, and is not limited by depth and place, be especially suitable for oil field and mine etc. it is inconvenient directly into
The place of row geostress survey, since 1980 are proposed by Strickland et al., in German KTB Science Drilling, Wenchuan
Preferable effect is achieved in the lot of domestic and foreign geostress survey work such as shake fracture belt Science Drilling.
But difference strain geostress survey device design in the prior art is not reasonable, keeps its inconvenient, and safety,
Anti-corrosive properties, leakproofness are poor, while can not achieve intelligent operation, and use is very inconvenient.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of difference strain crustal stress proposed is surveyed
Device is measured, structure is simple, and has higher safety, anti-corrosive properties and leakproofness, while can be realized intelligent operation, makes
With conveniently.
To achieve the goals above, present invention employs following technical solutions: a kind of difference strain geostress survey device, packet
Bracket is included, a pressure chamber is installed on the bracket, the side of the pressure chamber is equipped with pipe valve and confining pressure tracking pump, the confining pressure
The top of tracking pump is successively arranged safety alarm and temperature, pressure acquisition monitoring device；The pressure chamber includes cylinder, is set to
The intracorporal rock core of cylinder is blue, and the outside of the rock core indigo plant is equipped with a foil gauge, and the top of the cylinder is equipped with a plug, the plug
It is connect by pressure cap with cylinder, retaining ring is equipped between the top and pressure cap of the plug, between the bottom and cylinder of the plug
Equipped with sealing ring.
Preferably, the temperature, pressure acquisition monitoring device includes that pressure monitor module, temperature-measuring module and data are adopted
Collect module；The pressure monitor module includes pressure sensor and the first secondary meter；The temperature-measuring module includes temperature
Sensor and second secondary instrument；The data acquisition module includes data collecting card, computer and ancillary equipment；The pressure
Monitoring module and temperature-measuring module are connect with data acquisition module.
Preferably, the pipe valve includes that inlet valve, outlet valve and blow valve are connect with pressure chamber.
Preferably, the pressure chamber is process using high-strength stainless steel material.
Preferably, the bracket is aluminum profile bracket, and the bottom of the bracket is equipped with castor.
The invention has the following advantages: a kind of difference strain geostress survey device of the invention, including bracket, bracket
One pressure chamber of upper installation, the side of pressure chamber are equipped with pipe valve and confining pressure tracking pump, and the top of confining pressure tracking pump is successively arranged peace
Full alarm and temperature, pressure acquire monitoring device；Pressure chamber includes cylinder, is set to the intracorporal rock core indigo plant of cylinder, the outside of rock core indigo plant
Equipped with a foil gauge, the top of cylinder is equipped with a plug, and plug is connect by pressure cap with cylinder, between the top and pressure cap of plug
Equipped with retaining ring, sealing ring is equipped between the bottom and cylinder of plug；The present invention utilizes confining pressure tracking pump and pressure acquisition system control
Pressing pressure chamber confining pressure acquires stress-strain data of the rock mass under specific temperature pressure state by stress-strain gage, and data are adopted
Collecting system can track pump to confining pressure and carry out teletransmission control, and simultaneous computer design has superpressure, overtemperature alarm, defencive function, greatly
It is big to improve operator's conventional efficient.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the structural schematic diagram of pressure chamber in the present invention.
Fig. 3 is the block diagram of temperature pressure acquisition monitoring device in the present invention.
In figure: 1 bracket, 2 pressure chambers, 3 pipe valves, 4 confining pressures tracking pump, the acquisition monitoring of 5 safety alarms, 6 temperature, pressures
Device, 7 cylinders, 8 rock cores indigo plant, 9 plugs, 10 pressure caps, 11 retaining rings, 12 sealing rings, 13 pressure monitor modules, 14 temperature measure mould
Block, 15 data acquisition modules, 16 pressure sensors, 17 first secondary meters, 18 temperature sensors, 19 second secondary instrument, 20
Capture card, 21 computers, 22 ancillary equipments, 23 castors, 24 foil gauges.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
- Fig. 3 referring to Fig.1, a kind of difference strain geostress survey device, including bracket 1 install a pressure chamber 2 on bracket 1,
The side of pressure chamber 2 is equipped with pipe valve 3 and confining pressure tracking pump 4, and the top of confining pressure tracking pump 4 is successively arranged 5 He of safety alarm
Temperature, pressure acquires monitoring device 6；Pressure chamber 2 includes cylinder 7, the rock core indigo plant 8 in cylinder 7, and the outside of rock core indigo plant 8 is equipped with
One foil gauge 24, the top of cylinder 7 are equipped with a plug 9, and plug 9 is connect by pressure cap 10 with cylinder 7, the top of plug 9 and pressure
It is equipped with retaining ring 11 between cap 10, sealing ring 12 is equipped between the bottom and cylinder 7 of plug 9.
Wherein, pressure chamber 2 is process using high-strength stainless steel material.
In the present embodiment, pressure chamber 2 is preferably process using 2205 high-strength stainless steel materials, model pressure resistance
40MPa, and sample is loaded and unloaded using stainless steel hanging basket, it is easy to operate；Meanwhile using pressure cap 10 and retaining ring 11 and sealing ring 12
So that plug 9 and cylinder 7 are tightly connected, safety, anti-corrosive properties and the leakproofness of the pressure chamber 2 are effectively increased；In use,
Rock sample is placed in rock core basket 8, using the shape for surveying rock sample in the case where 24 loaded ring pressure of a foil gauge is pasted in the outside of rock core indigo plant 8
Become；Meanwhile 2 surrounding of pressure chamber is furnished with lead wire outlet, foil gauge can be connect with deformeter using high-voltage connection terminal；In addition,
Using confining pressure tracking pump 4, main function is to be sealed to pressure chamber and carry out pressure control, highest to the rock sample in rock core basket
Pressure 40MPa, precision 0.01MPa, can manually or pressure is set separately in program.
Referring to Fig. 3, specifically, temperature, pressure acquisition monitoring device 6 includes pressure monitor module 13, temperature-measuring module 14
With data acquisition module 15；Pressure monitor module 13 includes pressure sensor 16 and the first secondary meter 17；Temperature-measuring module
14 include temperature sensor 18 and second secondary instrument 19；Data acquisition module 15 includes data collecting card 20,21 and of computer
Ancillary equipment 22；Pressure monitor module 13 and temperature-measuring module 14 are connect with data acquisition module 15.
In the present embodiment, pressure chamber internal pressure can be accurately controlled by pressure monitor module 13, wherein pressure sensor
Range 40MPa, precision 0.25%FS, pressure value are directly displayed by secondary meter, and can pass through 485 communication interfaces and computer
Communication；0.1 DEG C of the temperature sensor precision of temperature-measuring module 14, temperature value is directly displayed by secondary meter, and can pass through 485
Communication interface and computer communication；The data that acquisition is required in data acquisition module 15 include: simulated pressure, simulated time, mould
Quasi- temperature, sample number into spectrum etc. can be completed by data collecting card and computer real-time acquisition；Data acquisition module simultaneously can
Teletransmission control is carried out to track pump to confining pressure.Safety alarm 5 has overpressure alarm, defencive function etc..
Specifically, pipe valve 3 includes connecting inlet valve, outlet valve and blow valve with pressure chamber.
In addition, the ancillary equipment in the present embodiment mainly includes electric part, cabinet and control panel etc., complete equipment electricity
Gasification is integrated and controls in cabinet, and can pass through control panel and set the data such as experimental pressure.
Specifically, bracket 1 is aluminum profile bracket, the bottom of bracket 1 is equipped with castor 23.
In the present embodiment, make the structural strength of the measuring device high using aluminum profile bracket, long service life, using foot
Wheel 23 can be convenient for measuring device movement, more convenient operation.
In conclusion the difference strains geostress survey device, pump is tracked using confining pressure and pressure acquisition system controls pressure
Chamber confining pressure acquires stress-strain data of the rock mass under specific temperature pressure state, data collection system by stress-strain gage
Pump can be tracked to confining pressure and carries out teletransmission control, and simultaneous computer design has superpressure, overtemperature alarm, defencive function, greatly improves
Operator's conventional efficient.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of difference strain geostress survey device, including bracket (1), which is characterized in that install a pressure on the bracket (1)
Chamber (2), the side of the pressure chamber (2) are equipped with pipe valve (3) and confining pressure tracking pump (4), the top of the confining pressure tracking pump (4)
It is successively arranged safety alarm (5) and temperature, pressure acquisition monitoring device (6)；The pressure chamber (2) includes cylinder (7), is set to
Rock core in cylinder (7) is blue (8), and the outside of the rock core blue (8) is equipped with a foil gauge (24), sets at the top of the cylinder (7)
Have a plug (9), the plug (9) is connect by pressure cap (10) with cylinder (7), the top and pressure cap (10) of the plug (9)
Between be equipped with retaining ring (11), equipped with sealing ring (12) between the bottom and cylinder (7) of the plug (9).
2. a kind of difference strain geostress survey device according to claim 1, which is characterized in that the temperature, pressure acquisition
Monitoring device (6) includes pressure monitor module (13), temperature-measuring module (14) and data acquisition module (15)；The pressure prison
Controlling module (13) includes pressure sensor (16) and the first secondary meter (17)；The temperature-measuring module (14) includes that temperature passes
Sensor (18) and second secondary instrument (19)；The data acquisition module (15) includes data collecting card (20), computer (21)
With ancillary equipment (22)；The pressure monitor module (13) and temperature-measuring module (14) connect with data acquisition module (15)
It connects.
3. a kind of difference strain geostress survey device according to claim 1, which is characterized in that pipe valve (3) packet
It includes and connect inlet valve, outlet valve and blow valve with pressure chamber.
4. a kind of difference strain geostress survey device according to claim 1, which is characterized in that the pressure chamber (2) is adopted
It is process with high-strength stainless steel material.
5. a kind of difference strain geostress survey device according to claim 1, which is characterized in that the bracket (1) is aluminium
The bottom of section bar support, the bracket (1) is equipped with castor (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910796203.9A CN110375917A (en) | 2019-08-27 | 2019-08-27 | A kind of difference strain geostress survey device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910796203.9A CN110375917A (en) | 2019-08-27 | 2019-08-27 | A kind of difference strain geostress survey device |
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| Publication Number | Publication Date |
|---|---|
| CN110375917A true CN110375917A (en) | 2019-10-25 |
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ID=68260817
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910796203.9A Pending CN110375917A (en) | 2019-08-27 | 2019-08-27 | A kind of difference strain geostress survey device |
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| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738215A (en) * | 2016-03-09 | 2016-07-06 | 中国石油大学(北京) | Novel method for testing geostress jointly by acoustic emission and differential strain |
| CN106680106A (en) * | 2017-01-06 | 2017-05-17 | 中国石油大学(华东) | Simulation experiment device and method for mudstone and drilling liquid interaction under stratum conditions |
| CN106813817A (en) * | 2016-02-26 | 2017-06-09 | 中国辐射防护研究院 | Two-way swelling stress measures test instrument |
| CN109781509A (en) * | 2019-03-14 | 2019-05-21 | 吉林大学 | A kind of geostress survey device and measurement method considering temperature effect |
| CN210221365U (en) * | 2019-08-27 | 2020-03-31 | 江苏拓创科研仪器有限公司 | Differential strain ground stress measuring device |
-
2019
- 2019-08-27 CN CN201910796203.9A patent/CN110375917A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106813817A (en) * | 2016-02-26 | 2017-06-09 | 中国辐射防护研究院 | Two-way swelling stress measures test instrument |
| CN105738215A (en) * | 2016-03-09 | 2016-07-06 | 中国石油大学(北京) | Novel method for testing geostress jointly by acoustic emission and differential strain |
| CN106680106A (en) * | 2017-01-06 | 2017-05-17 | 中国石油大学(华东) | Simulation experiment device and method for mudstone and drilling liquid interaction under stratum conditions |
| CN109781509A (en) * | 2019-03-14 | 2019-05-21 | 吉林大学 | A kind of geostress survey device and measurement method considering temperature effect |
| CN210221365U (en) * | 2019-08-27 | 2020-03-31 | 江苏拓创科研仪器有限公司 | Differential strain ground stress measuring device |
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