CN203479636U - Device for measuring displacement pressure of gas storage cap rock - Google Patents
Device for measuring displacement pressure of gas storage cap rock Download PDFInfo
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- CN203479636U CN203479636U CN201320627286.7U CN201320627286U CN203479636U CN 203479636 U CN203479636 U CN 203479636U CN 201320627286 U CN201320627286 U CN 201320627286U CN 203479636 U CN203479636 U CN 203479636U
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- holding unit
- core holding
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- pump
- cap rock
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Abstract
Provided is a device for measuring the displacement pressure of gas storage cap rock. The device for measuring the displacement pressure of the gas storage cap rock serves as a simulation experiment set for scientific research and teaching, and can achieve measurement of displacement pressure of the simulated gas storage cap rock. The device for measuring the displacement pressure of the gas storage cap rock is characterized by further comprising a multi-channel strain detector, a core holding unit, an annular pressure tracking pump and an optical fiber type bubble detector, wherein the core holding unit is provided with a confining pressure detection port, the annular pressure tracking pump is used for providing axial acting force for the core holding unit, a glass tube of an optical fiber sensor in the optical fiber type bubble detector is arranged above a core, a set of strain gauges of the multi-channel strain detector are fixed to the periphery of the core, the gas flow outlet end of a booster pump is arranged at the lower end of the core and is arranged in the core holding unit, a pressure regulating valve is arranged in a gas flow channel between the booster pump and the core holding unit in a connected mode, and the sampling end of the annular pressure tracking pump is connected to the confining pressure detection port of the core holding unit. The device for measuring the displacement pressure of the gas storage cap rock can accomplish measurement of the displacement pressure of the gas storage cap rock which is simulated through the core, and measurement of strain of the core.
Description
Technical field
The utility model relates to a kind of device of in geophysical survey field, the replacement pressure of gas storage cap rock being measured of being applied to.
Background technology
In geophysical survey field, have a kind of for detection of multicycle alterante stress cap rock analogue means, in the application of this device, need to measure the replacement pressure of gas storage cap rock, carry out single factor cap rock physical simulation experiments such as cap rock, temperature, pressure, and carry out the maximum pressure test of breakthrough rock sample of gas and research stratum and cover the relation of pressing with capping line-transect elastic deformation and factor of porosity, permeability, so just can complete the alterante stress cap rock sealing evaluation of underground natural gas storage multicycle.But laboratory lacks this type of experimental provision at present.
Summary of the invention
In order to solve the technical matters of mentioning in background technology, the utility model provides a kind of replacement pressure determinator of gas storage cap rock, and this kind of pick-up unit can complete utilizing the replacement pressure of rock core simulation gas storage cap rock to measure and the strain of rock core is measured.
The technical solution of the utility model is: the replacement pressure determinator of this kind of gas storage cap rock, comprise by computer-controlled system data and gathering and control module, comprise the gas cylinder being connected with valve by pipeline, the supercharge pump with mute compressor, with reference to cylinder, injection pump, core holding unit, surge tank and vacuum pump, its unique distinction is: in described replacement pressure determinator, also comprise hyperchannel strain detector, the core holding unit with confined pressure detection port, to core holding unit, provide the ring of axial force to press and follow the tracks of pump and optical fiber type bubble detector, wherein, correlation Fibre Optical Sensor in optical fiber type bubble detector is fixed between the clamper upper cover and clamper cylindrical shell of core holding unit, the glass tube of correlation Fibre Optical Sensor is positioned at the top of core holding unit rock core, and the detection data output end of optical fiber type bubble detector is connected to the corresponding end of described system data collection and control module, one group of foil gauge of hyperchannel strain detector is fixed on the surrounding of rock core in core holding unit, the signal output part of described foil gauge is connected to the detection signal input end of hyperchannel strain detector after signal cable passes core holding unit sealed end, and the detection signal output terminal of hyperchannel strain detector is connected to the corresponding end of described system data collection and control module, the airflow outlet end that the lower end of rock core is supercharge pump in core holding unit, is connected with pressure regulator valve in the gas channel of supercharge pump and core holding unit, ring presses the sampling end of following the tracks of pump to be connected to the confined pressure detection port on core holding unit.
The utlity model has following beneficial effect: utilize this device can carry out single factor cap rock physical simulation experiments such as cap rock, temperature, pressure, carry out the maximum pressure test of gas breakthrough rock sample and research stratum and cover the relation of pressing with capping line-transect elastic deformation and factor of porosity, permeability, thereby can complete the alterante stress cap rock sealing evaluation of underground natural gas storage multicycle.Although this kind of pick-up unit is simple in structure, but, it can not only be tested the closure parameter of the bank cap rock sample of multi-specification, but also can realize the strain regime of simulating sample under bank multicycle alterante stress condition, carry out real-time continuous monitoring, thereby make it possible to, in conjunction with other geologic condition of bank, as conditions such as depth of cover, lithology, area, the degree of depth, carry out the closed cap condition under bank multicycle alterante stress service condition to carry out comprehensive evaluation.In addition, this kind of determinator can gather corresponding detection data automatically, and automaticity is high, can carry out Long-distance Control to experiment.
Accompanying drawing explanation:
Fig. 1 is composition structural representation of the present utility model.
1-gas cylinder in figure, 2-injection pump, 3-supercharge pump, 4-pressure regulator valve, 5-is with reference to cylinder, 6-hyperchannel strain detector, 7-optical fiber type bubble detector, 8-surge tank, 9-core holding unit, 10-vacuum pump, 11-system data gathers and control module, and 12-ring is pressed and is followed the tracks of pump.
Embodiment:
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, the replacement pressure determinator of this kind of gas storage cap rock, comprise by computer-controlled system data collection and control module 11, comprise the gas cylinder 1 being connected with valve by pipeline, the supercharge pump 3 with mute compressor, with reference to cylinder 5, injection pump 2, core holding unit 9, surge tank 8 and vacuum pump 10, its unique distinction is: in described replacement pressure determinator, also comprise hyperchannel strain detector 6, the core holding unit 9 with confined pressure detection port, to core holding unit, provide the ring of axial force to press and follow the tracks of pump 12 and optical fiber type bubble detector 7, wherein, correlation Fibre Optical Sensor in optical fiber type bubble detector 7 is fixed between the clamper upper cover and clamper cylindrical shell of core holding unit 9, the glass tube of correlation Fibre Optical Sensor is positioned at the top of core holding unit 9 rock cores, and the detection data output end of optical fiber type bubble detector 7 is connected to the corresponding end of described system data collection and control module, one group of foil gauge of hyperchannel strain detector 6 is fixed on the surrounding of core holding unit 9 interior rock cores, the signal output part of described foil gauge is connected to the detection signal input end of hyperchannel strain detector 6 after signal cable passes core holding unit sealed end, and the detection signal output terminal of hyperchannel strain detector 6 is connected to the corresponding end of described system data collection and control module, core holding unit 9 interior rock cores lower end be the airflow outlet end of supercharge pump 3, in the gas channel of supercharge pump 3 and core holding unit 9, be connected with pressure regulator valve 4, ring presses the sampling end of following the tracks of pump 12 to be connected to the confined pressure detection port on core holding unit 9.
During use, adopt the core holding unit of φ 25 specifications, applicable φ 25 * (25-100) rock sample of mm is simulated gas storage cap rock.But should be noted that and should adopt large-scale constant temperature oven, to core holding unit heat simulation near-bottom temperature, wherein constant temperature oven heating-up temperature scope: between room temperature～120 ℃.
Claims (1)
1. the replacement pressure determinator of a gas storage cap rock, comprise by computer-controlled system data collection and control module (11), comprise the gas cylinder (1) being connected with valve by pipeline, the supercharge pump (3) with mute compressor, with reference to cylinder (5), injection pump (2), core holding unit (9), surge tank (8) and vacuum pump (10), it is characterized in that: in described replacement pressure determinator, also comprise hyperchannel strain detector (6), the core holding unit (9) with confined pressure detection port, to core holding unit, provide the ring of axial force to press and follow the tracks of pump (12) and optical fiber type bubble detector (7), wherein, correlation Fibre Optical Sensor in optical fiber type bubble detector (7) is fixed between the clamper upper cover and clamper cylindrical shell of core holding unit (9), the glass tube of correlation Fibre Optical Sensor is positioned at the top of core holding unit (9) rock core, and the detection data output end of optical fiber type bubble detector (7) is connected to the corresponding end of described system data collection and control module, one group of foil gauge of hyperchannel strain detector (6) is fixed on the surrounding of the interior rock core of core holding unit (9), the signal output part of described foil gauge is connected to the detection signal input end of hyperchannel strain detector (6) after signal cable passes core holding unit sealed end, and the detection signal output terminal of hyperchannel strain detector (6) is connected to the corresponding end of described system data collection and control module, in core holding unit (9) rock core lower end be the airflow outlet end of supercharge pump (3), in the gas channel of supercharge pump (3) and core holding unit (9), be connected with pressure regulator valve (4), ring presses the sampling end of following the tracks of pump (12) to be connected to the confined pressure detection port on core holding unit (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320627286.7U CN203479636U (en) | 2013-10-11 | 2013-10-11 | Device for measuring displacement pressure of gas storage cap rock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320627286.7U CN203479636U (en) | 2013-10-11 | 2013-10-11 | Device for measuring displacement pressure of gas storage cap rock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203479636U true CN203479636U (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320627286.7U Expired - Fee Related CN203479636U (en) | 2013-10-11 | 2013-10-11 | Device for measuring displacement pressure of gas storage cap rock |
Country Status (1)
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| CN (1) | CN203479636U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352670A (en) * | 2014-08-22 | 2016-02-24 | 中国石油化工股份有限公司 | Sealing evaluation system of cementing cement sheath of oil and gas well |
| CN105424331A (en) * | 2014-09-18 | 2016-03-23 | 中国石油化工股份有限公司 | Device and method for mechanical sealing evaluation of cement ring when large fracturing is performed |
| CN105424896A (en) * | 2016-01-01 | 2016-03-23 | 东北石油大学 | Device for simulating carbon dioxide long-distance foam flooding of actual mine field |
| CN113514204A (en) * | 2021-04-07 | 2021-10-19 | 常州大学 | Depleted oil reservoir type gas storage contains crack cap leakproofness test device |
-
2013
- 2013-10-11 CN CN201320627286.7U patent/CN203479636U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352670A (en) * | 2014-08-22 | 2016-02-24 | 中国石油化工股份有限公司 | Sealing evaluation system of cementing cement sheath of oil and gas well |
| CN105424331A (en) * | 2014-09-18 | 2016-03-23 | 中国石油化工股份有限公司 | Device and method for mechanical sealing evaluation of cement ring when large fracturing is performed |
| CN105424331B (en) * | 2014-09-18 | 2019-07-05 | 中国石油化工股份有限公司 | The device and method of the mechanical seal evaluation of cement sheath when for massive hydraulic fracturing |
| CN105424896A (en) * | 2016-01-01 | 2016-03-23 | 东北石油大学 | Device for simulating carbon dioxide long-distance foam flooding of actual mine field |
| CN113514204A (en) * | 2021-04-07 | 2021-10-19 | 常州大学 | Depleted oil reservoir type gas storage contains crack cap leakproofness test device |
| CN113514204B (en) * | 2021-04-07 | 2023-12-08 | 常州大学 | Sealing performance test device for crack-containing cover layer of exhausted oil reservoir type gas storage |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20171011 |