CN203241320U - Online high-temperature high-pressure viscosity rapid measuring device for rock core displacement experiment - Google Patents
Online high-temperature high-pressure viscosity rapid measuring device for rock core displacement experiment Download PDFInfo
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- CN203241320U CN203241320U CN 201320160101 CN201320160101U CN203241320U CN 203241320 U CN203241320 U CN 203241320U CN 201320160101 CN201320160101 CN 201320160101 CN 201320160101 U CN201320160101 U CN 201320160101U CN 203241320 U CN203241320 U CN 203241320U
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Abstract
The utility model discloses an online high temperature high pressure viscosity quick measuring device for rock core displacement experiments, including cylindric casing (1) and glass capillary (2) of setting in casing (1), the one end of glass capillary (2) is connected with first pressure sensor (6), the other end of glass capillary (2) is connected with second pressure sensor (7) and mass flow meter (8). The on-line high-temperature high-pressure viscosity rapid measuring device for the core displacement experiment adopts the glass capillary tube for sampling, and simultaneously, the measuring result can be rapidly displayed through the data calculation display unit, so that the required samples of the measuring device are few, and the real-time, rapid and accurate measurement can be realized. The viscosity measurement can be carried out on the monitoring points of which the viscosity needs to be measured at will in the process of testing the physical model, so that the internal seepage field of the model can be kept relatively stable, and an effective technical means is provided for dynamically analyzing the viscosity field of the physical model.
Description
Technical field
The utility model relates to reservoir fluid rock core displacement test technical field, and especially a kind of rock core displacement test is with online High Temperature High Pressure viscosity rapid measurement device.
Background technology
Improve in the oil recovery scientific experiment in oil development, rock core displacement test is requisite fundamental research means.This experimental physics model comprises: one dimension, two dimension, three-dimensional dimension model, and wherein one-dimensional model comprises 1 meter long rock core and the long short rock core of 0.2cm; Two dimensional model refers to microcosmic glass etching model; Three-dimensional model refers to 50 * 50 * 10cm sand rock plate model.Which kind of material model no matter, the viscosity data of displacement fluid all plays vital effect for analysis of viscosity field, mobility field.If the acquisition viscosity data generally is to adopt the theoretical method of calculating, measure by transferring in the viscometer after a large amount of samplings.At first, there is very large error in this computing method, and related parameter difficult acquisition the in calculating; Secondly, usually the falling-sphere viscometer that adopts is measured the actual sample that obtains, but the amount of the required measurement liquid of this measuring equipment is generally more greatly 10～20ml, also can produce the seepage field of the inside in to the sampling of physical model inner fluid and disturb, and brings larger error to experimental result.Thereby, be badly in need of the deficiency that a kind of specimen viscosity test device few, online, high temperature high voltage resistant remedies said method.
The utility model content
In order to solve as a result technical matters of traditional viscosity measurement error computation, the utility model provides a kind of rock core displacement test with online High Temperature High Pressure viscosity rapid measurement device, this rock core displacement test adopts the glass capillary measurement result of taking a sample simultaneously can calculate display unit by data and show fast with online High Temperature High Pressure viscosity rapid measurement device, so the required sample of this measurement mechanism is few, can be in real time, quick and precisely measure.Carry out viscosity measurement in the monitoring point that the process of physical model test can be arbitrarily measured viscosity to need, can guarantee model inside seepage field keep relatively stable, for the viscosity field of performance analysis physical model provides a kind of effective technological means.
The technical scheme that its technical matters of solving the utility model adopts is: a kind of rock core displacement test is with online High Temperature High Pressure viscosity rapid measurement device, comprise the housing of tubular and be arranged on the interior glass capillary of housing, one end of glass capillary is fixedly connected with the end cap that is arranged on housing one end, the other end of glass capillary is fixedly connected with the stationary barrier that is arranged on the housing other end, one end of described glass capillary is communicated with the source line that is used for the collection liquid sample, the other end of described glass capillary is communicated with the discharge pipe that is used for the discharge fluid sample, one end of described glass capillary is connected with the first pressure transducer, the other end of described glass capillary is connected with the second pressure transducer and mass flowmeter, in housing, also be provided with heating arrangement and temperature sensor, temperature sensor is connected the first pressure transducer with heating arrangement with the temperature controller that is used for the control heating arrangement, the second pressure transducer, mass flowmeter and temperature controller all are connected with data processes and displays unit.
The internal diameter of housing equals the external diameter of glass capillary, and heating arrangement and temperature sensor are arranged in the sidewall of housing.
The end cap that is arranged on described housing one end is connected with housing seal, and the stationary barrier that is arranged on the described housing other end also is connected with housing seal.
Described housing one end is provided with the tubular entrance pressure cap be used to be tightly connected glass capillary and source line.
One end of described glass capillary is provided with and can will be arranged on the end cap of described housing one end and the ring seal pad that glass capillary is tightly connected, and the other end of described glass capillary also is provided with and can will be arranged on the stationary barrier of the described housing other end and the ring seal pad that glass capillary is tightly connected.
The described housing other end is provided with independently electric installation cavity, and stationary barrier and the inside of housing of electric installation cavity by being arranged on the described housing other end is isolated, the first pressure transducer, the second pressure transducer, mass flowmeter, temperature controller and data processes and displays unit all are arranged in the electric installation cavity, and an end of described glass capillary is connected with the first pressure transducer by the measuring pressure passage that is arranged in the housing.
Measuring pressure passage is arranged in the sidewall of housing, and the internal diameter of measuring pressure passage is 0.5mm～1.5mm.
Glass capillary is arranged with protective sleeve outward, and the external diameter of glass capillary equals the internal diameter of protective sleeve, and the internal diameter of housing equals the external diameter of protective sleeve, and heating arrangement and temperature sensor are arranged in the sidewall of housing.
Heating arrangement is to be evenly distributed on glass capillary a plurality of heating rods on every side.
Housing is outside equipped with for the back pressure device that keeps the glass capillary internal pressure, and discharge pipe is connected with described back pressure device.
The beneficial effects of the utility model are:
On-line real time monitoring, measure fluid viscosity, the instant playback measurement result;
2. required test fluid flow sample is few, disturbs little to physical model inside seepage field;
3. install littlely, easy and simple to handle, easy to carry, be convenient to use different occasions;
4. can measure formation oil, condensate gas, and it is wide to measure range of viscosities.
Description of drawings
Below in conjunction with accompanying drawing rock core displacement test described in the utility model is elaborated with online High Temperature High Pressure viscosity rapid measurement device.
Fig. 1 is rock core displacement test described in the utility model with the structural representation of online High Temperature High Pressure viscosity rapid measurement device.
Wherein 1. housings, 2. glass capillary, 3. end cap; 4. source line, 5. discharge pipe, 6. the first pressure transducer; 7. the second pressure transducer, 8. mass flowmeter, 10. heating arrangement; 11. temperature sensor, 12. temperature controllers, 13. data processes and displays unit; 14. the entrance pressure cap, 15. gaskets, 16. electric installation cavitys; 17. measuring pressure passage, 18. protective sleeves, 19. stationary barriers.
Embodiment
Below in conjunction with accompanying drawing rock core displacement test described in the utility model is elaborated with online High Temperature High Pressure viscosity rapid measurement device, described rock core displacement test comprises the housing 1 and the glass capillary 2 that is arranged in the housing 1 of tubular with online High Temperature High Pressure viscosity rapid measurement device, one end of glass capillary 2 is fixedly connected with the end cap 3 that is arranged on housing 1 one ends, the other end of glass capillary 2 is fixedly connected with the stationary barrier 19 that is arranged on housing 1 other end, one end of described glass capillary 2 is communicated with the source line 4 that is used for the collection liquid sample, the other end of described glass capillary 2 is communicated with the discharge pipe 5 that is used for the discharge fluid sample, one end of described glass capillary 2 is connected with the first pressure transducer 6, the other end of described glass capillary 2 is connected with the second pressure transducer 7 and mass flowmeter 8, in housing 1, also be provided with heating arrangement 10 and temperature sensor 11, temperature sensor 11 is connected with heating arrangement and is connected for the temperature controller 12 of controlling heating arrangement 10, the first pressure transducer 6, the second pressure transducer 7, mass flowmeter 8 is connected with temperature controller and all is connected with data processes and displays unit 13, as shown in Figure 1.
Its middle shell 1 is steel shell, and source line 4 is used for this rock core displacement test is connected with physical model with online High Temperature High Pressure viscosity rapid measurement device, and the testing liquid sample that namely comes from physical model enters in the glass capillary 2 through source line 4.End cap 3 and stationary barrier 19 are used for fastening such as internal parts such as glass capillaries 2.Temperature sensor 11 is used for surveying the temperature in the housing 1, and temperature controller 12 can receive the temperature signal that comes from temperature sensor 11 and control the switch of heating arrangement 10, makes to reach the temperature that data processes and displays unit 13 is preset in the housing 1.The first pressure transducer 6 and the second pressure transducer 7 use respectively the force value of measuring described glass capillary 2 one ends and described glass capillary 2 other ends, namely the first pressure transducer 6 and the second pressure transducer 7 use respectively the force value of measuring described glass capillary 2 inlet ends and endpiece, and mass flowmeter 8 is used for measuring the flow of glass capillary 2 fluid samples.Data calculate the pressure at glass capillary 2 two ends that display unit can measure according to the first pressure transducer 6 second pressure transducers 7, flow that mass flowmeter 8 is measured, and housing 1 in temperature finally obtain the viscosity numerical value of fluid sample and show.So by realizing the online liquid viscosity of measuring in real time a plurality of sampling spots of one dimension, two dimension, three dimensional physical empirical model, can draw the viscosity field distribution according to this value, for the analysing fluid migration provides an effective technology section of having.
In order to make glass capillary 2 pressure-bearing under the state of High Temperature High Pressure, improve the serviceable life of glass capillary 2, the internal diameter of housing 1 equals the external diameter of glass capillary 2, and namely housing 1 is tightly placed in outside the glass capillary 2, and heating arrangement 10 and temperature sensor 11 are arranged in the sidewall of housing 1.For a small amount of viscosity of also measuring accurately liquid, the internal diameter of glass capillary 2 is 0.16mm, and wall thickness is 0.5cm, and length is 0.15m.
The end cap 3 that is arranged on described housing 1 one ends is tightly connected with housing 1, and the stationary barrier 19 that is arranged on described housing 1 other end also is tightly connected with housing 1.Can reduce like this impact of outer bound pair housing 1 interior glass capillary 2, improve measuring accuracy.
Described housing 1 one ends are provided with the tubular entrance pressure cap 14 be used to be tightly connected glass capillary 2 and source line 4, and entrance pressure cap 14 is similar to the bottle stopper that is provided with through hole with the center, can improve the sealing between glass capillary 2 and the source line 4.
In order to guarantee the sealing between described glass capillary 2 and end cap 3 and the stationary barrier 19, one end of described glass capillary 2 is provided with the end cap 3 that can be arranged on described housing 1 one ends and the ring seal pad 15 that glass capillary 2 is tightly connected, and the other end of described glass capillary 2 also is provided with the stationary barrier 19 that can be arranged on described housing 1 other end and the ring seal pad 15 that glass capillary 2 is tightly connected.
As shown in Figure 1, described housing 1 other end is provided with independently electric installation cavity 16, and electric installation cavity 16 is isolated with the inside of housing 1 by the stationary barrier 19 that is arranged on described housing 1 other end, the first pressure transducer 6, the second pressure transducer 7, mass flowmeter 8, temperature controller 12 and data processes and displays unit 13 all are arranged in the electric installation cavity 16, and an end of described glass capillary 2 is connected with the first pressure transducer 6 by the measuring pressure passage 17 that is arranged in the housing 1.The first pressure transducer 6, the second pressure transducer 7, mass flowmeter 8, temperature controller 12 and data processes and displays unit 13 all are arranged in the electric installation cavity 16, and glass capillary 2, heating arrangement 10 and temperature sensor 11 all are not located in the electric installation cavity 16, it is indoor that mechanical part and sensor are installed in respectively different independent tanks, the advantage of design is to be convenient to install concentratedly at the electric installation cavity 16 interior replacing sensors that can make the sensor element of precision convenient with maintenance like this, damage such as mass flowmeter 8, only need to open 16 pairs of mass flowmeters 8 of electric installation cavity and change and get final product, and this equipment all need not be taken apart; Simultaneously such design can also reduce housing 1 interior hot environment to the impact of sensor and data processes and displays unit 13, the serviceable life of extension device, the measuring accuracy of raising equipment.The internal diameter of measuring pressure passage 17 is less, so the pressure loss is also very little, so also very little on the impact of measuring accuracy, be arranged on such as measuring pressure passage 17 in the sidewall of housing 1, the internal diameter of measuring pressure passage 17 is 0.5mm～1.5mm, preferred 1mm, and measuring pressure passage 17 is for being opened in the passage in housing 1 sidewall.
In addition; for cover glass kapillary 2; the glass capillary 2 outer PEEK protective sleeves 18 that are arranged with; the internal diameter of housing 1 equals the external diameter of protective sleeve 18; and the internal diameter of protective sleeve 18 equals the external diameter of glass capillary 2; be the from outside to inside successively socket of housing 1, protective sleeve 18 and glass capillary 2, and heating arrangement 10 and temperature sensor 11 are arranged in the sidewall of housing 1.Heating arrangement 10 is for being evenly distributed on glass capillary 2 a plurality of heating rods on every side.It is the back pressure device of testing pressure value that housing 1 is outside equipped with for keeping glass capillary 2 internal pressures, and discharge pipe 5 is connected with described back pressure device.
The below introduces rock core displacement test described in the utility model is measured liquid viscosity with online High Temperature High Pressure viscosity rapid measurement device flow process.
1, source line 4 is connected with the experimental physics model;
2, discharge pipe 5 is connected with back pressure device, and sets the pressure value P of testing liquid sample viscosity;
3, setting this rock core displacement test is the temperature of experimental physics model with the temperature of online High Temperature High Pressure viscosity rapid measurement device;
4, make the fluid sample of diverse location in the physical model enter this rock core displacement test with online High Temperature High Pressure viscosity rapid measurement device by source line 4, flow out until fluid sample is seen in the outlet of back pressure device, behind stability of flow, begin to measure;
5, data processes and displays unit 13 is according to the real viscosity number that calculates and show current fluid sample of following viscosity calculations formula, and measurement result is to average for three times usually.
Viscosity is calculated formula:
Wherein, μ is viscosity, and unit is Pas; R is the glass capillary radius, and unit is m; Δ P is glass capillary two ends pressure reduction, and unit is Pa; L is glass capillary length, and unit is m; Q is flow in the glass capillary, and unit is m
3/ s.
Radius R=the 0.15mm of glass capillary in the present embodiment, the length l=0.15m of glass capillary, pressure reduction, flow and viscosity measurement see Table 1.
Table 1
| Number of times | Pressure reduction/Pa | Flow/m 3/s | Viscosity/Pa.s |
| 1 | 120000 | 3.30×10 -6 | 0.00298 |
| 2 | 121000 | 3.32×10 -6 | 0.00302 |
| 3 | 119000 | 3.32×10 -6 | 0.00297 |
| Mean value | --- | --- | 0.00299 |
The above; only be specific embodiment of the utility model, can not limit the scope that utility model is implemented with it, so the displacement of its equivalent assemblies; or according to equivalent variations and modification that the utility model scope of patent protection is done, all should still belong to the category that this patent is contained.
Claims (10)
1. a rock core displacement test is with online High Temperature High Pressure viscosity rapid measurement device, it is characterized in that, described rock core displacement test comprises the housing (1) of tubular with online High Temperature High Pressure viscosity rapid measurement device and is arranged on the interior glass capillary (2) of housing (1), one end of glass capillary (2) is fixedly connected with the end cap that is arranged on housing (1) one end (3), the other end of glass capillary (2) is fixedly connected with the stationary barrier (19) that is arranged on housing (1) other end, one end of described glass capillary (2) is communicated with the source line (4) that is used for the collection liquid sample, the other end of described glass capillary (2) is communicated with the discharge pipe (5) that is used for the discharge fluid sample, one end of described glass capillary (2) is connected with the first pressure transducer (6), the other end of described glass capillary (2) is connected with the second pressure transducer (7) and mass flowmeter (8), in housing (1), also be provided with heating arrangement (10) and temperature sensor (11), temperature sensor (11) is connected 10 with heating arrangement) be connected the first pressure transducer (6) with the temperature controller (12) that is used for control heating arrangement (10), the second pressure transducer (7), mass flowmeter (8) is connected 12 with temperature controller) all be connected with data processes and displays unit (13).
2. rock core displacement test according to claim 1 is with online High Temperature High Pressure viscosity rapid measurement device, it is characterized in that, the internal diameter of housing (1) equals the external diameter of glass capillary (2), and heating arrangement (10) and temperature sensor (11) are arranged in the sidewall of housing (1).
3. rock core displacement test according to claim 1 is with online High Temperature High Pressure viscosity rapid measurement device, it is characterized in that, the end cap (3) that is arranged on described housing (1) one end is tightly connected with housing (1), and the stationary barrier (19) that is arranged on described housing (1) other end also is tightly connected with housing (1).
4. rock core displacement test according to claim 1 is with online High Temperature High Pressure viscosity rapid measurement device, it is characterized in that, described housing (1) one end is provided with the tubular entrance pressure cap (14) be used to the glass capillary that is tightly connected (2) and source line (4).
5. rock core displacement test according to claim 1 is with online High Temperature High Pressure viscosity rapid measurement device, it is characterized in that, one end of described glass capillary (2) is provided with the end cap (3) that can be arranged on described housing (1) one end and the ring seal pad (15) that glass capillary (2) is tightly connected, and the other end of described glass capillary (2) also is provided with the stationary barrier (19) that can be arranged on described housing (1) other end and the ring seal pad (15) that glass capillary (2) is tightly connected.
6. rock core displacement test according to claim 1 is with online High Temperature High Pressure viscosity rapid measurement device, it is characterized in that, described housing (1) other end is provided with independently electric installation cavity (16), and electric installation cavity (16) is isolated with the inside of housing (1) by the stationary barrier (19) that is arranged on described housing (1) other end, the first pressure transducer (6), the second pressure transducer (7), mass flowmeter (8), temperature controller (12) and data processes and displays unit (13) all are arranged in the electric installation cavity (16), and an end of described glass capillary (2) is connected with the first pressure transducer (6) by the measuring pressure passage (17) that is arranged in the housing (1).
7. rock core displacement test according to claim 6 is characterized in that with online High Temperature High Pressure viscosity rapid measurement device, and measuring pressure passage (17) is arranged in the sidewall of housing (1), and the internal diameter of measuring pressure passage (17) is 0.5mm～1.5mm.
8. rock core displacement test according to claim 1 is with online High Temperature High Pressure viscosity rapid measurement device; it is characterized in that; the outer protective sleeve (18) that is arranged with of glass capillary (2); the external diameter of glass capillary (2) equals the internal diameter of protective sleeve (18); the internal diameter of housing (1) equals the external diameter of protective sleeve (18), and heating arrangement (10) and temperature sensor (11) are arranged in the sidewall of housing (1).
9. rock core displacement test according to claim 1 is characterized in that with online High Temperature High Pressure viscosity rapid measurement device, and heating arrangement (10) is for being evenly distributed on glass capillary (2) a plurality of heating rods on every side.
10. rock core displacement test according to claim 1 is with online High Temperature High Pressure viscosity rapid measurement device, it is characterized in that, housing (1) is outside equipped with for the back pressure device that keeps glass capillary (2) internal pressure, and discharge pipe (5) is connected with described back pressure device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320160101 CN203241320U (en) | 2013-04-02 | 2013-04-02 | Online high-temperature high-pressure viscosity rapid measuring device for rock core displacement experiment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320160101 CN203241320U (en) | 2013-04-02 | 2013-04-02 | Online high-temperature high-pressure viscosity rapid measuring device for rock core displacement experiment |
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| Publication Number | Publication Date |
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| CN203241320U true CN203241320U (en) | 2013-10-16 |
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| CN 201320160101 Expired - Fee Related CN203241320U (en) | 2013-04-02 | 2013-04-02 | Online high-temperature high-pressure viscosity rapid measuring device for rock core displacement experiment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103226086A (en) * | 2013-04-02 | 2013-07-31 | 中国石油天然气股份有限公司 | Online high-temperature high-pressure viscosity rapid measuring device for rock core displacement experiment |
-
2013
- 2013-04-02 CN CN 201320160101 patent/CN203241320U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103226086A (en) * | 2013-04-02 | 2013-07-31 | 中国石油天然气股份有限公司 | Online high-temperature high-pressure viscosity rapid measuring device for rock core displacement experiment |
| CN103226086B (en) * | 2013-04-02 | 2015-12-02 | 中国石油天然气股份有限公司 | Online high-temperature high-pressure viscosity rapid measuring device for rock core displacement experiment |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 |
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| CF01 | Termination of patent right due to non-payment of annual fee |