CN104020098B - Imbibition dynamic measurement device under a kind of high-temperature and high-pressure conditions - Google Patents
Imbibition dynamic measurement device under a kind of high-temperature and high-pressure conditions Download PDFInfo
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- CN104020098B CN104020098B CN201410294090.XA CN201410294090A CN104020098B CN 104020098 B CN104020098 B CN 104020098B CN 201410294090 A CN201410294090 A CN 201410294090A CN 104020098 B CN104020098 B CN 104020098B
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Abstract
The present invention relates to imbibition dynamic measurement device under a kind of high-temperature and high-pressure conditions, this imbibition dynamic measurement device comprises: plug, High Temperature High Pressure kettle end cap, High Temperature High Pressure kettle, data acquisition down-lead device, compare solenoid valve, measure solenoid valve, weighing sensor, load maintainer, measurement rock core, compare rock core, heating tube, cooling pipe, pressurization mouth, switch, pump, experiment liquid, computer.High Temperature High Pressure kettle is the column construction of a stainless steel, and top is connected with plug, High Temperature High Pressure kettle end cap, and a pressurization mouth is arranged at bottom, and pressurization mouth is connected with switch, pump.Heating tube, cooling pipe are positioned on High Temperature High Pressure kettle, compare rock core, measurement rock core, load maintainer, weighing sensor, compare solenoid valve, measurement solenoid valve is all positioned at High Temperature High Pressure kettle, data acquisition down-lead device is attached in external computer by High Temperature High Pressure kettle end cap.It is dynamic that the present invention can measure rock core imbibition water displacing oil under high-temperature and high-pressure conditions for a long time, in order to analyze rock core imbibition oil-water displacement efficiency under reservoir conditions.Can regulate the temperature of High Temperature High Pressure kettle and Internal Experiment liquid, the imbibition water displacing oil measured under different temperatures is dynamic simultaneously.
Description
Technical field
The present invention relates to the experimental provision of imbibition dynamic measurement under a kind of high-temperature and high-pressure conditions, is that one can realize measuring for a long time the dynamic experimental provision of the imbibition displacement of reservoir oil under reservoir condition specifically.
Background technology
In porous medium, the displacement of the wetting phase produced due to the effect of capillary force to nonwetting phase is defined as spontaneous imbibition.For crack, substrate composed porous medium, because capillary force effect oil is a kind of very important extraction mechanism in spontaneous imbibition to Fracture System from matrix, the imbibition experiment therefore in the lab under simulation stratum condition to instructing crack, the Efficient Development of substrate composed porous medium oil reservoir has practical significance.
The experiment condition of current device is mostly normal temperature and pressure, and the later stage experiment condition of improved imbibition dynamic measurement device also can only meet high temperature or condition of high voltage.For actual oil reservoir, imbibition displacement of reservoir oil environment is high temperature and high pressure environment, so can not reflect that the imbibition of actual oil reservoir is dynamic really by the experimental result that these imbibition dynamic measurement device to test obtain.This experimental result deviation caused due to the deficiency of experimental provision can only be reduced by modifying device or avoid, therefore in order to the imbibition under more real simulation stratum condition is dynamic, be necessary to design a kind of experimental provision that can carry out imbibition dynamic measurement under high temperature and high pressure environment.
Summary of the invention
The object of the invention is to simulate and the long-time imbibition displacement of reservoir oil measured under high-temperature and high-pressure conditions is dynamic, for the natural imbibition dynamic studies under research reservoir media provides experiment support.
Object of the present invention is realized by following technical measures, imbibition dynamic measurement device under a kind of high-temperature and high-pressure conditions, this imbibition dynamic measurement device comprises: plug, High Temperature High Pressure kettle end cap, High Temperature High Pressure kettle, data acquisition down-lead device, compare solenoid valve, measure solenoid valve, weighing sensor, load maintainer, measurement rock core, compare rock core, heating tube, cooling pipe, pressurization mouth, switch, pump, experiment liquid, computer.Described High Temperature High Pressure kettle is the column construction of a stainless steel, and top is connected with plug, High Temperature High Pressure kettle end cap, and a pressurization mouth is arranged at bottom, and pressurization mouth is connected with switch, pump.Heating tube, cooling pipe are positioned on High Temperature High Pressure kettle, compare rock core, measurement rock core, load maintainer, weighing sensor, compare solenoid valve, measurement solenoid valve is all positioned at High Temperature High Pressure kettle, data acquisition down-lead device is attached in external computer by High Temperature High Pressure kettle end cap.
In experimentation of the present invention, compare rock core and measure rock core and hang on respectively on load maintainer, load maintainer is connected with weighing sensor, weighing sensor by measurement solenoid valve, compare solenoid valve and be connected with data acquisition down-lead device.Described weighing sensor can high temperature resistance high pressure and have high resolving power.
In experimentation of the present invention, to High Temperature High Pressure kettle, pump into from pressurization mouth the experiment liquid configured in advance by pump, in High Temperature High Pressure kettle, form hyperbaric environment; Utilize heating tube to heat formation hot environment to High Temperature High Pressure kettle, coordinate cooling pipe can regulate the temperature of High Temperature High Pressure kettle and Internal Experiment liquid at any time; Utilization is compared solenoid valve and is carried out automatic zero set (AZS) and range calibration with the mass calibration mechanism comparing rock core formation.
In experimentation of the present invention, comparing rock core is one piece of solid rigid body, and in experiment, quality does not change.
In experimentation of the present invention, heating tube and cooling pipe cooperatively interact and can change the temperature of High Temperature High Pressure kettle and Internal Experiment liquid.
The advantage of this invention is: be designed with quality comparation correcting mechanism and namely compare rock core and compare solenoid valve (automatic zero set (AZS) and range calibration) and avoid weighing sensor to affect by the factor such as temperature, pressure the error that instability brings.High Temperature High Pressure kettle is stainless steel material, can simulating oil deposit high temperature and high pressure environment, realizes imbibition dynamic measurement under high-temperature and high-pressure conditions, can reflect that the imbibition in actual formation is dynamic really.Adopt computer automatically identify and record experimental data, automatically calculate oil displacement efficiency according to correlation computations formula, reduce the labour intensity of operating personnel, improve the accuracy of record.
Accompanying drawing explanation
Fig. 1 is agent structure schematic diagram of the present invention.
Embodiment
Under this high-temperature and high-pressure conditions imbibition dynamic measurement device comparatively before imbibition instrument improve to some extent and innovate, below just introduce experiment by reference to the accompanying drawings in detail and how to implement (for the water wet core imbibition displacement of reservoir oil).
Fig. 1 is agent structure schematic diagram of the present invention, as shown in Figure 1 under this high-temperature and high-pressure conditions imbibition dynamic measurement device by plug 6, High Temperature High Pressure kettle end cap 5, data acquisition down-lead device 8, measure solenoid valve 9, compare solenoid valve 10, weighing sensor 4, load maintainer 3, measure rock core 13, compare rock core 12, heating tube 11, cooling pipe 1, High Temperature High Pressure kettle 2, pressurization mouth 17, switch 16, pump 15, experiment liquid 14 and computer 7 form.High Temperature High Pressure kettle 2 top is connected with High Temperature High Pressure kettle end cap 5, plug 6, pressurization mouth 17 is positioned at High Temperature High Pressure kettle 2 bottom and is connected with switch 16, pump 15, load maintainer 3, weighing sensor 4, measure solenoid valve 9, compare solenoid valve 10, measure rock core 13, compare rock core 12, experiment liquid 14 is positioned at High Temperature High Pressure kettle 2, heating tube 11, cooling pipe 1 be positioned on High Temperature High Pressure kettle 2.Load maintainer 3 is connected on weighing sensor 4, and weighing sensor 4 is connected with data acquisition down-lead device 8, and data acquisition down-lead device 8 is connected in external computer 7 by plug 6, compares rock core 12 and measure rock core 13 to hang on respectively on load maintainer 3.
Under a kind of high-temperature and high-pressure conditions of the present invention during the experiment of imbibition dynamic measurement device, the saturated crude oil of rock core 13 will be measured, then hang on respectively on load maintainer 3 with comparing together with rock core 12.By plug 6 and its lower connect data acquisition down-lead device 8, measure solenoid valve 9, compare solenoid valve 10, weighing sensor 4, load maintainer 3, compare rock core 12, measure rock core 13 and put into High Temperature High Pressure kettle 2, load onto High Temperature High Pressure kettle end cap 5 and form enclosed environment.Open switch 16, to High Temperature High Pressure kettle 2, pump into from pressurization mouth 17 the experiment liquid 14 configured in advance by pump 15, in High Temperature High Pressure kettle 2, form hyperbaric environment; Utilize heating tube 10 pairs of High Temperature High Pressure kettlies 2 heat formed hot environment carry out the experiment of imbibition dynamic measurement.There is imbibition with contacting in imbibition experiment liquid, the change of measuring the quality of rock core 13 is transferred in computer 7 by weighing sensor 4 and data acquisition down-lead device 8 and reads.
This imbibition experimental provision, when testing, mainly comprises the steps (for the water wet core imbibition displacement of reservoir oil):
(1) preliminary work: experiment uses rock core saturated oil, the preparation of experiment liquid, the adjustment etc. of mass metrology system.
(2) be arranged on load maintainer by being saturated oily measurement rock core and comparing rock core, put into High Temperature High Pressure kettle together with the device on top.
(3) utilize pump to enter in High Temperature High Pressure kettle by experiment liquid pump, with heating tube, assigned temperature is heated to High Temperature High Pressure kettle and Internal Experiment liquid, form high temperature and high pressure environment and test.
(4) solenoid valve comparing rock core connection is utilized to carry out range calibration and zeroing behind certain hour interval.
(5) utilize cooling pipe and heating tube to regulate temperature, carry out the imbibition dynamic measurement experiment under different temperatures.
Claims (5)
1. an imbibition dynamic measurement device under high-temperature and high-pressure conditions, comprise plug (6), High Temperature High Pressure kettle end cap (5), High Temperature High Pressure kettle (2), data acquisition down-lead device (8), measure solenoid valve (9), compare solenoid valve (10), weighing sensor (4), load maintainer (3), heating tube (11), cooling pipe (1), measure rock core (13), compare rock core (12), pump (15), pressurization mouth (17), switch (16), experiment liquid (14), computer (7), it is characterized in that High Temperature High Pressure kettle (2) is a column construction, top and plug (6), High Temperature High Pressure kettle end cap (5) is connected, one pressurization mouth (17) is arranged at bottom, pressurization mouth (17) and switch (16), pump (15) is connected, experiment liquid (14) passes through pressurization mouth (17), switch (16) and pump (15) pump into High Temperature High Pressure kettle (2), measuring rock core (13) and comparing rock core (12) hangs on load maintainer (3), load maintainer (3) is connected on weighing sensor (4), weighing sensor (4), measure solenoid valve (9), relatively solenoid valve (10) is connected with data acquisition down-lead device (8), and with measurement rock core (13), relatively rock core (12) is in High Temperature High Pressure kettle (2) together, heating tube (11), cooling pipe (1) is positioned on High Temperature High Pressure kettle (2).
2. imbibition dynamic measurement device under a kind of high-temperature and high-pressure conditions according to claim 1, to High Temperature High Pressure kettle (2), pump into from pressurization mouth (17) the experiment liquid (14) configured in advance by pump (15), in High Temperature High Pressure kettle (2), form hyperbaric environment; Utilize heating tube (11) to heat formation hot environment to High Temperature High Pressure kettle (2), coordinate cooling pipe (1) that the temperature of High Temperature High Pressure kettle (2) and Internal Experiment liquid (14) can be regulated at any time; Utilization is compared solenoid valve (10) and is compared the mass calibration mechanism that rock core (12) formed and carries out automatic zero set (AZS) and range calibration.
3. imbibition dynamic measurement device under a kind of high-temperature and high-pressure conditions according to claim 1, can measure imbibition oil-water displacement efficiency under high-temperature and high-pressure conditions, and can change temperature carries out rock core imbibition dynamic measurement simultaneously.
4. imbibition dynamic measurement device under a kind of high-temperature and high-pressure conditions according to claim 1, is characterized in that: High Temperature High Pressure kettle (2) is stainless steel.
5. imbibition dynamic measurement device under a kind of high-temperature and high-pressure conditions according to claim 1, is characterized in that: comparing rock core (12) is one piece of solid rigid body, and in experiment, quality does not change.
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| CN201410294090.XA CN104020098B (en) | 2014-06-25 | 2014-06-25 | Imbibition dynamic measurement device under a kind of high-temperature and high-pressure conditions |
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| CN201410294090.XA CN104020098B (en) | 2014-06-25 | 2014-06-25 | Imbibition dynamic measurement device under a kind of high-temperature and high-pressure conditions |
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| CN104020098B true CN104020098B (en) | 2016-04-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459556A (en) * | 2018-12-05 | 2019-03-12 | 中国石油大学(北京) | Dynamic imbibition device and the experimental method tested for dynamic imbibition |
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| CN105866008B (en) * | 2016-05-30 | 2018-08-17 | 西安石油大学 | A kind of different reservoir imbibition mechanism comparative study measuring instrument |
| CN106706690B (en) * | 2016-12-29 | 2023-07-28 | 中国地质大学（北京） | CT scanning device for high-temperature high-pressure core dynamic oil displacement experiment |
| CN108195743B (en) * | 2018-03-19 | 2023-11-07 | 中国地质大学（北京） | Shale seepage and absorption measuring device and measuring method |
| CN108918326B (en) * | 2018-06-12 | 2019-06-21 | 中国石油大学(华东) | A kind of high temperature and pressure rock core imbibition experimental provision and method |
| CN108979630B (en) * | 2018-07-27 | 2020-07-24 | 中国石油大学(北京) | Strain gauge type pressure test tight oil seepage and suction experimental device |
| CN109025939B (en) * | 2018-07-27 | 2019-11-12 | 中国石油大学(北京) | The fine and close oily imbibition experimental provision of ultrasonic wave |
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| CN109856030A (en) * | 2019-02-15 | 2019-06-07 | 中国石油大学(北京) | The determination method of imbibition experimental provision and imbibition recovery percent of reserves |
| CN109916799B (en) * | 2019-03-22 | 2021-04-20 | 西南石油大学 | Experimental method for measuring unconventional dense gas reservoir spontaneous imbibition relative permeability |
| CN110174430B (en) * | 2019-06-03 | 2022-08-16 | 西南石油大学 | Measuring device and method for core imbibition simulation experiment under high-temperature and high-pressure conditions |
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| JP2003315233A (en) * | 2002-04-26 | 2003-11-06 | Mitsubishi Chemicals Corp | Measuring cell for quartz resonator |
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