CN203287287U - Oil reservoir fluid on-line high-pressure rotary viscometer - Google Patents
Oil reservoir fluid on-line high-pressure rotary viscometer Download PDFInfo
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- CN203287287U CN203287287U CN2013202185874U CN201320218587U CN203287287U CN 203287287 U CN203287287 U CN 203287287U CN 2013202185874 U CN2013202185874 U CN 2013202185874U CN 201320218587 U CN201320218587 U CN 201320218587U CN 203287287 U CN203287287 U CN 203287287U
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- 238000012545 processing Methods 0.000 claims abstract description 15
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- 238000003756 stirring Methods 0.000 claims description 11
- 238000013019 agitation Methods 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 7
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- 108010036039 Serrate-Jagged Proteins Proteins 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 17
- 230000008054 signal transmission Effects 0.000 abstract 1
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- 238000005516 engineering process Methods 0.000 description 2
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Abstract
The utility model discloses an online high pressure rotational viscometer of oil deposit fluid, including sample cell (7) that is used for bearing fluid sample, be provided with metal rod (6) in sample cell (7), be equipped with magnet (3) on metal rod (6), metal rod (6) overcoat is equipped with electromagnetic induction coil (15) corresponding with magnet (3), electromagnetic induction coil (15) are connected with current sensor (4), current sensor (4) can give data processing unit (41) with the current signal transmission that detects, when metal rod (6) rotate, can produce the induced-current that has fluid sample viscosity characteristic in electromagnetic induction coil (15), data processing unit (41) calculate the corresponding oil deposit fluid sample viscosity with it according to this induced-current again. The oil reservoir fluid online high-pressure rotational viscometer has the advantages of few samples required by testing, real-time performance, rapidness, accuracy and the like.
Description
Technical field
The utility model relates to the viscosity test technical field in reservoir fluid rock core displacement test and fluid phase state test experiments, particularly the online high-pressure rotary viscosity meter of a kind of reservoir fluid.
Background technology
Improve in the scientific experiment of oil recovery in oil development, rock core displacement test and the test of reservoir fluid phase are requisite fluid basis research meanses, rock core displacement test can be explained the flow event of fluid in porous medium effectively, one of its main determining factor is mobility ratio, and the ratio that is in the nature fluid viscosity and density of mobility ratio.The displacement physical model comprises: one dimension, two dimension, three-dimensional dimension model, and wherein one-dimensional model comprises 1 meter long rock core, the 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 empirical model no matter, the viscosity data of displacement fluid plays vital effect for analysis of viscosity field, mobility field.And reservoir fluid phase test experiments utilizes the falling-sphere viscometer tested viscosity usually, and workload is larger, and result is not very stable.
Be to adopt the theoretical method of calculating as obtaining the viscosity data normal conditions, perhaps transfer in falling-sphere viscometer after a large amount of samplings and measure.At first, there is very large error in computing method, and the related more difficult acquisition of parameter in calculating; Secondly, the amount that the falling-sphere viscometer that usually adopts is measured required fluid sample is larger, is generally 10～20ml, for less specimen, can't meet test request.
Thereby, be badly in need of the deficiency that a kind of specimen is few, online, viscosity test device high temperature high voltage resistant makes up said method.
The utility model content
In order to solve the larger technical matters of existing falling-sphere viscometer measuring error, the utility model provides a kind of reservoir fluid online high-pressure rotary viscosity meter, and the online high-pressure rotary viscosity meter of this reservoir fluid has advantages of that the required sample of test is few, in real time, quick and precisely wait.
the utility model for the technical scheme that solves its technical matters employing is: the online high-pressure rotary viscosity meter of a kind of reservoir fluid, comprise the sample hose for the carrying fluid sample, the axis of sample hose vertically arranges, be provided with metal bar in sample hose, metal bar is provided with magnet, metal bar is arranged with electromagnetic induction coil outward, the position of electromagnetic induction coil is corresponding with the position of magnet, electromagnetic induction coil is connected with current sensor by plain conductor, current sensor can send to data processing unit with the current signal that detects, the top of sample hose is provided with fluid intake, the bottom of sample hose is provided with fluid egress point, the bottom of sample hose also is provided with stirring apparatus, described stirring apparatus can make metal bar rotation take the axis of sample hose as axle.
The length of the Length Ratio sample hose of metal bar is short by 10%～15%, and the diameter of metal bar is less by 4%～8% than the internal diameter of sample hose, and the volume of sample hose is 5ml.
One end of magnet is exposed to the surface of metal bar, and the other end of magnet is arranged in metal bar; One end of described magnet is the N utmost point, and the other end of described magnet is the S utmost point; Or an end of described magnet is the S utmost point, and the other end of described magnet is the N utmost point; Or the top of magnet is the N utmost point, and the bottom of magnet is the S utmost point; Or the top of magnet is the S utmost point, and the bottom of magnet is the N utmost point.
The axis of metal bar vertically arranges, and the axis of magnetic induction coil vertically arranges.
The axis of metal bar and the dead in line of magnetic induction coil, the external diameter of sample hose is less than or equal to the internal diameter of magnetic induction coil.
The wire of magnetic induction coil is that wave is linear, or serrate.
The metal shell that also comprises tubular, the internal diameter of metal shell equals the external diameter of sample hose, is provided with at least one heating arrangement in the sidewall of metal shell.
Be provided with level meter on metal shell.
Stirring apparatus comprises the magnetic agitation head that is arranged on the sample hose bottom and the electromagnetic controller that is used for controlling the rotation of magnetic agitation head.
Data processing unit also is connected with the display unit for the viscosity that shows this fluid sample.
The beneficial effects of the utility model are:
On-line real time monitoring, measure fluid viscosity, the instant playback measurement result;
2. when physical model was tested, required test fluid flow sample was few;
3. when the PVT fluid phase state is tested, can under the condition of not losing fluid sample, obtain the viscosity numerical value under different pressures;
4. install littlely, easy and simple to handle, easy to carry, be convenient to apply different occasions;
5. can measure formation oil, condensate gas, and it is wide to measure range of viscosities.
Description of drawings
Below in conjunction with accompanying drawing, the online high-pressure rotary viscosity meter of reservoir fluid described in the utility model is described in further detail.
Fig. 1 is the structural representation of the online high-pressure rotary viscosity meter of reservoir fluid.
Fig. 2 is along the cross-sectional schematic of the first electromagnetic induction coil of A-A line in Fig. 1.
Fig. 3 is along the cross-sectional schematic of the second electromagnetic induction coil of A-A line in Fig. 1.
Fig. 4 is the front view of the third electromagnetic induction coil.
Fig. 5 is along the cross-sectional schematic of B-B line in Fig. 4.
Wherein 1. fluid intakes, 2. heating arrangement, 3. magnet, 4. current sensor, 41. data processing units, 42. display units, 5. plain conductor, 6. metal bar, 7. sample hose, 8. metal shell, 9. magnetic agitation head, 10. power supply, 11. electromagnetic controller, 12. power supplys, 13. fluid egress points, 14. level meter, 15. electromagnetic induction coils.
Embodiment
Below in conjunction with accompanying drawing, the online high-pressure rotary viscosity meter of reservoir fluid described in the utility model is elaborated.the online high-pressure rotary viscosity meter of a kind of reservoir fluid, comprise the sample hose 7 for the carrying fluid sample, the axis of sample hose 7 vertically arranges, be provided with metal bar 6 in sample hose 7, metal bar 6 is provided with magnet 3, the outer electromagnetic induction coil 15 that is arranged with of metal bar 6, the position of electromagnetic induction coil 15 is corresponding with the position of magnet 3, electromagnetic induction coil 15 is connected with current sensor 4 by plain conductor 5, current sensor 4 can send to the current signal that detects data processing unit 41, the top of sample hose 7 is provided with fluid intake 1, the bottom of sample hose 7 is provided with fluid egress point 13, the bottom of sample hose 7 also is provided with stirring apparatus, described stirring apparatus can make metal bar 6 rotation take the axis of sample hose 7 as axle, as Fig. 1, shown in Figure 2.
while measuring the viscosity of reservoir fluid, the cavity of fluid sample in fluid egress point 1 enters sample hose 7, stirring apparatus drives described fluid sample and metal bar 6 together take the axis of sample hose 7 as the axle rotation, thereby magnet 3 is rotated with respect to electromagnetic induction coil 15, electromagnetic induction coil 15 can cut around magnet 3 magnetic induction line and at the interior generation induction current of electromagnetic induction coil 15, this induction current is the induction current with the fluid sample feature, by repeatedly measuring the funtcional relationship that can set up between this induction current and fluid sample viscosity, current sensor 4 current signal with fluid sample viscosity characteristics information that will detect sends to data processing unit 41 like this, data processing unit 41 calculates sample viscosity corresponding to this current signal again.Plain conductor 5 can be cold, can be also to keep "on" position always, preferred this plain conductor 5 is for keeping "on" position, when metal bar 6 rotates, the induction current that magnetic induction line around electromagnetic induction coil 15 cutting magnets 3 produces can make the electric current in this plain conductor 5 change, this electric current is also the current signal with fluid sample viscosity characteristics information, by analyzing this current signal, can obtain with it corresponding fluid sample viscosity number.
So the online high-pressure rotary viscosity of this reservoir fluid can realize the online viscosity of measuring in real time one dimension, two dimension, a plurality of sampling spots of three dimensional physical oil displacement experiment model, can draw the viscosity field distribution according to this value, for the analysing fluid migration provides an effective technology section of having.In the reservoir fluid phaseexperiment, under PVT phase instrument auxiliary, can the on-line measurement different pressures under fluid viscosity and do not lose sample, a kind of viscosity meter measurement mechanism of practicality is provided for the phase test experiments.
One end of magnet 3 is exposed to the surface of metal bar 6, and the other end of magnet 3 is arranged in metal bar 6, and an end of described magnet 3 is the N utmost point, and the other end of described magnet 3 is the S utmost point, and namely the right-hand member as magnet in Fig. 23 is the N utmost point, and the left end of magnet 3 is the S utmost point; Or an end of described magnet 3 is the S utmost point, and the other end of described magnet 3 is the N utmost point, and namely the right-hand member as magnet in Fig. 23 is the S utmost point, and the left end of magnet 3 is the N utmost point; Or the top of magnet 3 is the N utmost point, and the bottom of magnet 3 is the S utmost point, and namely the top as magnet in Fig. 13 is the N utmost point, and the bottom of magnet 3 is the S utmost point; Or the top of magnet 3 is the S utmost point, and the bottom of magnet 3 is the N utmost point, and namely the top as magnet in Fig. 13 is the S utmost point, and the bottom of magnet 3 is the N utmost point.
The axis of metal bar 6 vertically arranges, and the axis of magnetic induction coil 15 vertically arranges.The dead in line of the axis of metal bar 6 and magnetic induction coil 15, the external diameter of sample hose 7 is less than or equal to the internal diameter of magnetic induction coil 15.Be that magnetic induction coil 15 is set in outside sample hose 7.In order to make better cutting magnetic induction line of magnetic induction coil 15, improve measuring accuracy, the wire of magnetic induction coil 15 is that wave is linear.As when as described in an end of magnet 3 be the N utmost point, the other end of described magnet 3 is the S utmost point; Or an end of described magnet 3 is the S utmost point, and the other end of described magnet 3 is the N utmost point; Magnetic induction coil 15 take a fancy in the horizontal direction for wave linear, as shown in Figure 4 and Figure 5.When the top of magnet 3 is the N utmost point, the bottom of magnet 3 is the S utmost point; Or the top of magnet 3 is the S utmost point, and the bottom of magnet 3 is the N utmost point, and it is linear that magnetic induction coil 15 in the vertical directions are seen as wave, as shown in Figure 3.In addition, the wire of magnetic induction coil 15 can also be serrate.
The online high-pressure rotary viscosity meter of this reservoir fluid also comprises the metal shell 8 of tubular, the internal diameter of metal shell 8 equals the external diameter of sample hose 7, magnetic induction coil 15 is embedded at the inwall of metal shell 8, the material of sample hose 7 is the stronger sapphire of anti-pressure ability, is provided with at least one heating arrangement 2 in the sidewall of metal shell 8.METAL HEATING PROCESS rod 8 is by power supply 10 power supplies, and METAL HEATING PROCESS rod 8 provides test experiments temperature required for the online high-pressure rotary viscosity meter of this reservoir fluid.The online high-pressure rotary viscosity meter of this reservoir fluid also comprises being arranged on has a level meter 14 on metal shell 8.Level meter 14 provides level correction for the online high-pressure rotary viscosity meter of this reservoir fluid.
Stirring apparatus comprises the magnetic agitation 9 that is arranged on sample hose 7 bottoms and is used for controlling the electromagnetic controllers 11 of magnetic agitation 9 rotation, and this stirring apparatus provides power by power supply 12.Data processing unit 41 also is connected with the display unit 42 for the viscosity that shows this fluid sample, and display unit 42 can show the viscosity measurement of fluid sample fast and accurately.
Below introduce the operating process of the online high-pressure rotary viscosity meter of this reservoir fluid measurement mechanism:
One. the operating process to the experimental physics model comprises the following steps:
1, the temperature of setting the online high-pressure rotary viscosity meter of this reservoir fluid is the experiment test temperature;
2,, with fluid intake 1 and experimental physics model, close fluid egress point;
3, regulate the level meter 14 of the online high-pressure rotary viscosity meter of this reservoir fluid, make it keep horizontal level;
4, start electromagnetic controller 11 and make inner magnetic force stirring-head 9 rotations, and drive metal bar 6 rotations;
5, the viscosity numerical value of record data processing unit 41 calculating, usually measure three times and average; Measurement result is as shown in table 1.
Table 1 pressure and viscosity relationship tables of data
| Number of times | Pressure/MPa | Viscosity/mPa.s |
| 1 | 10 | 12.2 |
| 2 | 10 | 12.5 |
| 3 | 10 | 12.3 |
| Mean value | --- | 12.3 |
Two. the operating process to PVT fluid phase state instrument comprises the following steps:
1, the temperature of setting the online high-pressure rotary viscosity meter of this reservoir fluid is the experiment test temperature;
2, fluid intake 1 is connected with PVT fluid phase state instrument, closes fluid egress point 13;
3, regulate the level meter 14 of the online high-pressure rotary viscosity meter of this reservoir fluid, make it keep horizontal level;
4, start electromagnetic controller 11 and make inner magnetic force stirring-head 9 rotations, and drive metal bar 6 rotations;
5, the viscosity numerical value of record data processing unit 41 calculating, usually measure three times and average;
6, change PVT fluid phase state instrument internal pressure P1, after stablizing 10 minutes, the viscosity numerical value that record data processing unit 41 calculates, usually measure three times and average;
7, change PVT fluid phase state instrument internal pressure P2, after stablizing 10 minutes, the viscosity numerical value that record data processing unit 41 calculates, usually measure three times and average;
8, repeating step 7, until complete all pressure test points.Measurement result is as shown in table 2.
Table 2 pressure and viscosity relationship tables of data
The above; instrument is 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. online high-pressure rotary viscosity meter of reservoir fluid, it is characterized in that, the online high-pressure rotary viscosity meter of described reservoir fluid comprises the sample hose (7) for the carrying fluid sample, the axis of sample hose (7) vertically arranges, be provided with metal bar (6) in sample hose (7), metal bar (6) is provided with magnet (3), the outer electromagnetic induction coil (15) that is arranged with of metal bar (6), the position of electromagnetic induction coil (15) is corresponding with the position of magnet (3), electromagnetic induction coil (15) is connected with current sensor (4) by plain conductor (5), current sensor (4) can send to the current signal that detects data processing unit (41), the top of sample hose (7) is provided with fluid intake (1), the bottom of sample hose (7) is provided with fluid egress point (13), the bottom of sample hose (7) also is provided with stirring apparatus, described stirring apparatus can make metal bar (6) rotation take the axis of sample hose (7) as axle.
2. the online high-pressure rotary viscosity meter of reservoir fluid according to claim 1, it is characterized in that: the length of the Length Ratio sample hose (7) of metal bar (6) is short by 10%～15%, the diameter of metal bar (6) is less by 4%～8% than the internal diameter of sample hose (7), and the volume of sample hose (7) is 5ml.
3. the online high-pressure rotary viscosity meter of reservoir fluid according to claim 1, it is characterized in that: an end of magnet (3) is exposed to the surface of metal bar (6), and the other end of magnet (3) is arranged in metal bar (6);
One end of described magnet (3) is the N utmost point, and the other end of described magnet (3) is the S utmost point;
Or an end of described magnet (3) is the S utmost point, and the other end of described magnet (3) is the N utmost point;
Or the top of magnet (3) is the N utmost point, and the bottom of magnet (3) is the S utmost point;
Or the top of magnet (3) is the S utmost point, and the bottom of magnet (3) is the N utmost point.
4. the online high-pressure rotary viscosity meter of reservoir fluid according to claim 1, it is characterized in that: the axis of metal bar (6) vertically arranges, and the axis of magnetic induction coil (15) vertically arranges.
5. the online high-pressure rotary viscosity meter of reservoir fluid according to claim 1, it is characterized in that: the dead in line of the axis of metal bar (6) and magnetic induction coil (15), the external diameter of sample hose (7) is less than or equal to the internal diameter of magnetic induction coil (15).
6. the online high-pressure rotary viscosity meter of reservoir fluid according to claim 1, it is characterized in that: the wire of magnetic induction coil (15) is that wave is linear, or serrate.
7. the online high-pressure rotary viscosity meter of reservoir fluid according to claim 1, it is characterized in that: the metal shell (8) that also comprises tubular, the internal diameter of metal shell (8) equals the external diameter of sample hose (7), is provided with at least one heating arrangement (2) in the sidewall of metal shell (8).
8. the online high-pressure rotary viscosity meter of reservoir fluid according to claim 7, is characterized in that: be provided with level meter (14) on metal shell (8).
9. the online high-pressure rotary viscosity meter of reservoir fluid according to claim 1 is characterized in that: stirring apparatus comprises the magnetic agitation head (9) that is arranged on sample hose (7) bottom and the electromagnetic controller (11) that is used for controlling magnetic agitation head (9) rotation.
10. the online high-pressure rotary viscosity meter of reservoir fluid according to claim 1 is characterized in that: data processing unit (41) also is connected with the display unit (42) for the viscosity that shows this fluid sample.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013202185874U CN203287287U (en) | 2013-04-26 | 2013-04-26 | Oil reservoir fluid on-line high-pressure rotary viscometer |
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| CN2013202185874U CN203287287U (en) | 2013-04-26 | 2013-04-26 | Oil reservoir fluid on-line high-pressure rotary viscometer |
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| CN203287287U true CN203287287U (en) | 2013-11-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234869A (en) * | 2013-04-26 | 2013-08-07 | 中国石油天然气股份有限公司 | Oil reservoir fluid on-line high-pressure rotary viscometer |
| CN106596343A (en) * | 2016-12-30 | 2017-04-26 | 重庆大学 | High-pressure rotational viscosity meter |
| CN108104808A (en) * | 2018-01-05 | 2018-06-01 | 中国海洋石油集团有限公司 | Downhole fluid viscosity measurement pipe nipple |
-
2013
- 2013-04-26 CN CN2013202185874U patent/CN203287287U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234869A (en) * | 2013-04-26 | 2013-08-07 | 中国石油天然气股份有限公司 | Oil reservoir fluid on-line high-pressure rotary viscometer |
| CN106596343A (en) * | 2016-12-30 | 2017-04-26 | 重庆大学 | High-pressure rotational viscosity meter |
| CN106596343B (en) * | 2016-12-30 | 2019-08-02 | 重庆大学 | High-voltage rotary viscosimeter |
| CN108104808A (en) * | 2018-01-05 | 2018-06-01 | 中国海洋石油集团有限公司 | Downhole fluid viscosity measurement pipe nipple |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131113 |