CN204903351U - Three -dimensional rock specimen hole measuring device of jumbo size - Google Patents
Three -dimensional rock specimen hole measuring device of jumbo size Download PDFInfo
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- CN204903351U CN204903351U CN201520678579.7U CN201520678579U CN204903351U CN 204903351 U CN204903351 U CN 204903351U CN 201520678579 U CN201520678579 U CN 201520678579U CN 204903351 U CN204903351 U CN 204903351U
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- porosity
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Abstract
The utility model relates to a three -dimensional rock specimen hole measuring device of jumbo size, mainly by standard room, air -vent valve, pressure sensor, vacuum pump, the dull and stereotyped model rock core holder of multilayer, confined pressure pump, pressurization and constant voltage system composition, the dull and stereotyped model rock core holder of multilayer can be put into the three -dimensional rock specimen of jumbo size wherein to 5 sizes of at every turn can packing into are simultaneously measured for the three -dimensional rock specimen of 300mm 60mm's jumbo size, the system that the upper reaches comprise air supply, standard room, air -vent valve, pressure sensor, atmospheric valve, the dull and stereotyped model rock specimen holder of multilayer can carry out boyle's law gas survey rock specimen porosity, low reaches are by the dull and stereotyped model rock specimen holder of vacuum pump, multilayer, confined pressure pump, pressurization and the system of the constant voltage system composition saturated fluid liquid survey rock specimen porosity that can pressurize. The utility model provides an unable accurate measurement porosity problem of the three -dimensional rock specimen of present jumbo size, the ability accurate measurement goes out the porosity of jumbo size three -dimensional rock specimen.
Description
Technical field
The utility model relates to a kind of large scale three dimensional rock specimen porosity measuring device, before carrying out three-dimensional oil reservoir physical simulation extracting experiment, for the device to the test of experiment large scale three dimensional rock specimen interconnected porosity, belongs to oil and gas exploitation technical field.
Background technology
Rock porosity refers to rock mesoporosity volume V
p(or not by spatial volume that solid matter is filled in rock) and rock cumulative volume V
bratio, represent with Greek alphabet φ, its expression formula is:
Hole can be divided into open pore and nonconductive pore by the connection situation according to blowhole.Consider from oil-field development and laboratory experiment test angle, only have and thatly can preserve oil gas, the interconnected porosity that fluid neuron network can be allowed to pass through again is just more of practical significance.Therefore, the rock porosity that rock sample assay laboratory measures is the interconnected porosity of rock sample usually.According to definition, the test of the laboratory of rock sample factor of porosity is only required in rock cumulative volume, solid volume and volume of voids three parameters two just can obtain factor of porosity.To test large scale three dimensional rock specimen be cementing good regular rectangular parallelepiped rock sample, apparent volume can directly calculate by measuring length.Testing the main method of solid volume is that Boyle's law gas surveys method, and the main flow adopting Boyle's law gas to survey method measurement rock solid volume is: (1) sample clean falls oil, oven dry; (2) calibration criterion room and line volume; (3) allow gas be filled with standard chamber and record pressure P
1; (4) close air intake opening and cut off source of the gas; (5) gas in standard chamber is put into the core chamber that testing sample is housed through valve, and after making gas isothermal expansion reach balance, record pressure P
2; (6) atmospheric valve is opened.The main method of test volume of voids is saturated liquid method, and the main flow adopting saturated liquid method to measure rock pore volume is: (1) sample oil removing, oven dry; (2) dry core sample quality is claimed; (3) sample vacuumizes; (4) sample saturated liquid; (5) sample of saturated liquid is weighed; (6) density of saturated liquid is measured.
At present, the factor of porosity of little rock core or full-hole core mainly tested by known rock porosity proving installation, porosity determination for large scale three dimensional rock specimen there is no reasonable experimental provision, epoxy resin parcel large scale three dimensional rock specimen can measure the factor of porosity of rock sample, the shortcoming that this method measures large scale three dimensional rock specimen factor of porosity mainly contains 2 points, one is that epoxy resin parcel rock sample measured hole porosity cannot bear high pressure, therefore, need this epoxy resin of applied voltage test factor of porosity packaging method just no longer applicable for fine and close rock sample; Two rock samples wrapped up by epoxy resin are after the experiment of instrument connection porosity, cannot continue to use in subsequent high temperature high pressure displacement test, we measure large scale three dimensional rock specimen factor of porosity is exactly to use this large scale three dimensional rock specimen in subsequent high temperature high pressure displacement test, simulation oil field performance history, obtains the reliable results of this large scale three dimensional rock specimen subsequent experimental.
Summary of the invention
The purpose of this utility model is in order to overcome the deficiencies in the prior art, a kind of large scale three dimensional rock specimen porosity measuring device is provided, this large scale three dimensional rock specimen porosity measuring device can not only survey the solid volume of large scale three dimensional rock specimen with Boyle's law gas, the volume of voids of rock sample can also be surveyed by the method for pressurization saturated liquid, two kinds of methods combining are got up, the factor of porosity of large scale three dimensional rock specimen can be accurately measured.
The technical solution of the utility model is: a kind of large scale three dimensional rock specimen of the utility model porosity measuring device, form primarily of standard chamber, pressure regulator valve, pressure transducer, vacuum pump, Multilayer flat plate module rock core clamper, confined pressure pump, pressurization and constant-voltage system, large scale three dimensional rock specimen can be put into wherein by described Multilayer flat plate module rock core clamper, and 5 pieces of large scale three dimensional rock specimen being of a size of 300mm × 300mm × 60mm can be loaded measure at every turn simultaneously, every block rock sample is separated by core chamber, can the factor of porosity of each block rock sample of independent measurement; The test macro by Boyle's law gas gaging hole porosity is constituted by source of the gas, standard chamber, pressure regulator valve, pressure transducer, atmospheric valve, Multilayer flat plate module rock core clamper; Pressure regulator valve by pipeline be connected to standard chamber with to realize closing after source of the gas can adjustment criteria chamber pressure to stationary value; Pressure transducer can precision measurement any time etching system force value; Vacuum pump, Multilayer flat plate module rock core clamper, confined pressure pump, pressurization and constant-voltage system constitute the test macro by saturated liquid method gaging hole porosity; Pressurization can be pressurizeed to rock sample when giving rock sample saturated liquid with constant-voltage system, makes rock sample can be fully saturated.
The system that upstream is made up of source of the gas, standard chamber, pressure regulator valve, pressure transducer, atmospheric valve, multi-layer planar model rock sample clamper can be carried out Boyle's law gas and be surveyed rock sample factor of porosity; The system that downstream is made up of vacuum pump, multi-layer planar model rock sample clamper, confined pressure pump, pressurization and constant-voltage system can be carried out pressurization saturated flow body fluid and be surveyed rock sample factor of porosity; Operation valve hierarchical control is surveyed by gas in upstream, and operation valve hierarchical control is surveyed by liquid in downstream.
Compared with prior art the utility model tool has the following advantages: a kind of large scale of the utility model three dimensional rock specimen porosity measuring device can solve current large scale three dimensional rock specimen cannot the problem of Measurement accuracy factor of porosity, the factor of porosity that native system measures large scale three dimensional rock specimen can not damage rock core, and rock core can continue on for follow-up displacement test; The factor of porosity of large scale three dimensional rock specimen can be accurately measured.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of large scale three dimensional rock specimen of the utility model porosity measuring device.
In figure: 1. valve, 2-standard chamber, 3. pressure regulator valve, 4. pressure transducer, 5. atmospheric valve, 6. valve, 7. vacuum pump, 8. valve, 9. Multilayer flat plate module rock core clamper, 10. valve, 11. confined pressure pumps, 12. pressurization and constant-voltage systems.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, a kind of large scale three dimensional rock specimen of the utility model porosity measuring device, form primarily of standard chamber 1, pressure regulator valve 3, pressure transducer 4, vacuum pump 7, multi-layer planar model rock sample clamper 9, confined pressure pump 11, pressurization and constant-voltage system 12, multi-layer planar model rock sample clamper 9 can load 5 pieces of large scale rock samples being of a size of 300mm × 300mm × 60mm simultaneously and measure, and every block rock sample is separated by core chamber, can the factor of porosity of each block rock sample of independent measurement; The system that upstream is made up of source of the gas, standard chamber 2, pressure regulator valve 3, pressure transducer 4, atmospheric valve 5, multi-layer planar model rock sample clamper 9 can be carried out Boyle's law gas and be surveyed rock sample factor of porosity; The system that downstream is made up of vacuum pump 7, multi-layer planar model rock sample clamper 9, confined pressure pump 11, pressurization and constant-voltage system 12 can be carried out pressurization saturated flow body fluid and be surveyed rock sample factor of porosity; Operation valve 8 hierarchical control is surveyed by gas in upstream, and operation valve 10 hierarchical control is surveyed by liquid in downstream.
Source of the gas is connected by pipeline and valve 1 with standard chamber 2, to standard chamber 2 blanketing gas during to realize gas gaging hole porosity; Described standard chamber 2 is connected by pipeline with pressure regulator valve 3, finely tunes, and carry out pressure monitoring by pressure transducer 4 after realizing cutting off source of the gas to gaseous tension in standard chamber 2; Described multi-layer planar core holding unit 9 and standard chamber 2 are connected to realize gas in standard chamber 2 by pressure regulator valve 3 and valve 8 can in thermostatic expansion to a three large scale three dimensional rock specimen, and after isothermal expansion balance, system pressure is monitored by pressure transducer 4; Described atmospheric valve 5 is connected by pipeline and valve 8 with standard chamber 2, Multilayer flat plate module rock core clamper 9, with realize gas gaging hole porosity complete after all gas in blowdown system, make system pressure return to atmospheric pressure; Described vacuum pump 7 and Multilayer flat plate module rock core clamper 9, pressurize and constant-voltage system 12 by pipeline and valve (6,8,10) connect, during to realize saturated liquid method gaging hole porosity, process is vacuumized to the saturated liquid in large scale three dimensional rock specimen in Multilayer flat plate module rock core clamper 9 and pressurization and constant-voltage system 12; Described pressurization and constant-voltage system 12 are connected by pipeline and valve 10 with Multilayer flat plate module rock core clamper 9, liquid is injected to realize vacuumizing in backward large scale three dimensional rock specimen, and wherein comprise pressure sensor device, can supplement in time when the pressure drops and inject liquid, make system pressure constant in setting value; Described confined pressure pump 11 is connected by pipeline with Multilayer flat plate module rock core clamper 9, to realize adding confined pressure to the confined pressure room of Multilayer flat plate module rock core clamper 9.This kind of device is applicable to the test of the large scale three dimensional rock specimen factor of porosity being of a size of 300mm × 300mm × 60mm.
This device adopts Boyle's law gas to survey method and pressurization saturated fluid method two kinds of methods and combines, and achieves the accurate test to large scale three dimensional rock specimen factor of porosity, and does not damage rock core.In addition, each test can load 5 pieces of large scale three dimensional rock specimen being of a size of 300mm × 300mm × 60mm simultaneously and measure, and every block rock sample is separated by core chamber, can the factor of porosity of each block rock sample of independent measurement.Pressurization and constant-voltage equipment can realize full-automatic pressurization, and can alleviate the labour intensity of personnel, maximum pressure can reach 20MPa.
Claims (2)
1. a large scale three dimensional rock specimen porosity measuring device, form primarily of standard chamber (2), pressure regulator valve (3), pressure transducer (4), vacuum pump (7), multi-layer planar model rock sample clamper (9), confined pressure pump (11), pressurization and constant-voltage system (12), it is characterized in that: multi-layer planar model rock sample clamper (9) can load 5 pieces of large scale rock samples being of a size of 300mm × 300mm × 60mm simultaneously and measure, and every block rock sample is separated by core chamber, can the factor of porosity of each block rock sample of independent measurement; The system that upstream is made up of source of the gas, standard chamber (2), pressure regulator valve (3), pressure transducer (4), atmospheric valve (5), multi-layer planar model rock sample clamper (9) can be carried out Boyle's law gas and be surveyed rock sample factor of porosity; The system that downstream is made up of vacuum pump (7), multi-layer planar model rock sample clamper (9), confined pressure pump (11), pressurization and constant-voltage system (12) can be carried out pressurization saturated flow body fluid and be surveyed rock sample factor of porosity; Operation valve (8) hierarchical control is surveyed by gas in upstream, and operation valve (10) hierarchical control is surveyed by liquid in downstream.
2. a kind of large scale three dimensional rock specimen porosity measuring device according to claim 1, it is characterized in that: source of the gas is connected by pipeline and valve (1) with standard chamber (2), to standard chamber (2) blanketing gas during to realize gas gaging hole porosity; Described standard chamber (2) is connected by pipeline with pressure regulator valve (3), finely tunes, and carry out pressure monitoring by pressure transducer (4) after realizing cutting off source of the gas to gaseous tension in standard chamber (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520678579.7U CN204903351U (en) | 2015-09-06 | 2015-09-06 | Three -dimensional rock specimen hole measuring device of jumbo size |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520678579.7U CN204903351U (en) | 2015-09-06 | 2015-09-06 | Three -dimensional rock specimen hole measuring device of jumbo size |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204903351U true CN204903351U (en) | 2015-12-23 |
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| CN201520678579.7U Expired - Fee Related CN204903351U (en) | 2015-09-06 | 2015-09-06 | Three -dimensional rock specimen hole measuring device of jumbo size |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956423A (en) * | 2018-07-19 | 2018-12-07 | 中国石油大学(华东) | Determine rock two dimension porosity-three-dimensional apertures porosity quantitative relationship method |
| CN110320136A (en) * | 2018-03-28 | 2019-10-11 | 中国石油化工股份有限公司 | The measurement device and measuring method of shale core effecive porosity |
| CN112394017A (en) * | 2020-05-21 | 2021-02-23 | 成都理工大学 | Gas-measuring porosity instrument suitable for high organic matter minerals and use method |
| CN112595646A (en) * | 2020-12-03 | 2021-04-02 | 王云帅 | Shale reservoir quality grading plant based on shale geological parameters |
-
2015
- 2015-09-06 CN CN201520678579.7U patent/CN204903351U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110320136A (en) * | 2018-03-28 | 2019-10-11 | 中国石油化工股份有限公司 | The measurement device and measuring method of shale core effecive porosity |
| CN108956423A (en) * | 2018-07-19 | 2018-12-07 | 中国石油大学(华东) | Determine rock two dimension porosity-three-dimensional apertures porosity quantitative relationship method |
| CN112394017A (en) * | 2020-05-21 | 2021-02-23 | 成都理工大学 | Gas-measuring porosity instrument suitable for high organic matter minerals and use method |
| CN112595646A (en) * | 2020-12-03 | 2021-04-02 | 王云帅 | Shale reservoir quality grading plant based on shale geological parameters |
| CN112595646B (en) * | 2020-12-03 | 2022-11-04 | 香港中文大学(深圳)城市地下空间及能源研究院 | Shale reservoir quality grading plant based on shale geological parameters |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20160906 |
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| CF01 | Termination of patent right due to non-payment of annual fee |