CN103267836A - Test device of core interporosity flow coefficient - Google Patents
Test device of core interporosity flow coefficient Download PDFInfo
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- CN103267836A CN103267836A CN2013101806152A CN201310180615A CN103267836A CN 103267836 A CN103267836 A CN 103267836A CN 2013101806152 A CN2013101806152 A CN 2013101806152A CN 201310180615 A CN201310180615 A CN 201310180615A CN 103267836 A CN103267836 A CN 103267836A
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- interporosity
- flow coefficient
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Abstract
The invention relates to a test device of a core interporosity flow coefficient. The test device is mainly composed of a micro flow pump, a full diameter core holder, a heating temperature control system, an annular pressure control system, an internal pressure monitoring system, a return pressure control system, a computer control system and a fluid metering system. In a test, installing a full diameter core having cracks in the full diameter core clamper, starting the computer control system, the micro flow pump, the heating temperature control system, the annular pressure control system, the internal pressure monitoring system, the return pressure control system and the fluid metering system, setting certain return pressure, pumping fluid in the full diameter core clamper at certain flow rate, starting a return pressure valve after the interior of the core keeps certain pressure and stabilizes to generate cross flow in the core, testing the liquid phase flow rate at an outlet end, monitoring the time history of various pressures to obtain the flow rate and pressure parameter in the case of core cross flow, and obtaining the core interporosity flow coefficient through an interporosity flow coefficient computing theory.
Description
Technical field
The present invention relates to a kind of rock core interporosity flow coefficient experimental apparatus for testing, specifically be a kind of experimental provision of parameter when measuring rock core generation channelling.
Technical background
Interporosity flow coefficient is one of important parameter of fractured reservoir research, yet the research to interporosity flow coefficient focuses mostly in well test analysis both at home and abroad, try to achieve interporosity flow coefficient by the well test analysis curve, laboratory study for interporosity flow coefficient does not both at home and abroad almost have, experiment Device Design and research and development also are blank, yet when carrying out the meticulous pool description of crack oil reservoir, need set up complicated crack geologic model and corresponding flow model, need to use this parameter of rock core interporosity flow coefficient, so that the experimental study of rock core interporosity flow coefficient just seems is particularly important.
Asking for of interporosity flow coefficient mainly is to ask for by the following method at present: pass through well test data, obtain pressure and time relation curve, obtain tracing pattern parameter (slope and intercept) by tracing pattern, in conjunction with aspect parameters such as reservoir geology and oil wells, just can calculate the oil reservoir interporosity flow coefficient.
Summary of the invention
The purpose of patent of the present invention is some experiment parameters when measuring full-hole core generation channelling under laboratory condition, and method calculates the interporosity flow coefficient of full-hole core by experiment.
The purpose of patent of the present invention can realize by following technical measures:
This rock core interporosity flow coefficient experimental apparatus for testing is made up of micro-flow pump, full-hole core clamper, heating temperature-controlling system, ring pressure-controlled system, inspection of inner pressure system, back pressure control system, computer control system and fluid metering system.During experiment crannied full-hole core installed and be placed in the full-hole core clamper, open computer control system, micro-flow pump, the heating temperature-controlling system, ring pressure-controlled system, the inspection of inner pressure system, back pressure control system and fluid metering system, set certain back pressure, in core holding unit, pump into fluid with certain flow, after treating that the inner maintenance of rock core certain pressure is also stablized, open check valve, channelling takes place in the rock core, test endpiece liquid phase flow, monitor each pressure over time, flow when obtaining the rock core channelling and pressure parameter obtain the interporosity flow coefficient of rock core by the interporosity flow coefficient theory of computation.
The advantage of this rock core interporosity flow coefficient experimental apparatus for testing is: this experimental provision can be set experimental temperature, can steady temperature experimentize, and eliminates temperature to the influence of experimental result; There is pressure transducer this experimental provision inside, presses in the monitoring experiment rock core in real time; This experimental provision can be automatically to pressure with data on flows is monitored and record, reduce experimenter's labour intensity; This experimental provision can realize that micrometeor pumps into; This experimental provision can measure oil phase and water flow respectively; This experimental provision can be to experimental pressure Based Intelligent Control and monitoring.
Description of drawings
Fig. 1 is patent agent structure synoptic diagram of the present invention.
Embodiment
Below just introduce this rock core interporosity flow coefficient proving installation in detail in conjunction with the experiment accompanying drawing and how to implement:
As shown in Figure 1, Fig. 1 is patent agent structure synoptic diagram of the present invention, and this device is made up of micro-flow pump (8), full-hole core clamper (6), heating temperature-controlling system (9), ring pressure-controlled system (10), inspection of inner pressure system (3), back pressure control system (5), computer control system (1) and fluid metering system (4).Full-hole core (7) is placed in the full-hole core clamper (6), full-hole core clamper (6) built-in inspection of inner pressure system (3), ring pressure-controlled system (10) and back pressure control system (5), full-hole core clamper (6) injection side links to each other with micro-flow pump (8), outlet end links to each other with fluid metering system (4), computer control system (1) links to each other with fluid metering system (4), heating temperature-controlling system (9), ring pressure-controlled system (10), inspection of inner pressure system (3), back pressure control system (5) is integrated on the temperature, pressure control panel (2), and computer control system (1) links to each other with control panel (2).Experiment is placed on crannied rock core in the full-hole core clamper, set certain back pressure, in core holding unit, pump into fluid with certain flow, after treating that the inner maintenance of rock core certain pressure is also stablized, open check valve, channelling takes place in the rock core, test endpiece liquid phase flow, monitor each pressure over time, the flow when obtaining the rock core channelling and pressure parameter obtain the interporosity flow coefficient of rock core by the interporosity flow coefficient theory of computation.
This rock core interporosity flow coefficient proving installation mainly comprises the steps: when experimentizing
(1) preliminary work: experiment is tested the preparation with liquid (oil or water), the adjusting of mass metrology system etc. with the preparation that the crack rock core is arranged.
(2) crannied rock core is installed in the full-hole core clamper.
(3) open temperature control system, computer software monitoring and record interface, set certain confined pressure and ring pressure, monitor variation and the record reading of each pressure and flow.
(4) in the full-hole core clamper, pump into experiment liquid with certain flow.
(5) treat that pressure in the full-hole core reaches certain value after, close again after opening check valve, monitor and record variation and the numerical value of each pressure and flow.
(6) finish calculating to interporosity flow coefficient according to the pressure that obtains and data on flows in conjunction with the interporosity flow coefficient computing method.
Claims (8)
1. rock core interporosity flow coefficient experimental apparatus for testing, this device is made up of micro-flow pump (8), full-hole core clamper (6), heating temperature-controlling system (9), ring pressure-controlled system (10), inspection of inner pressure system (3), back pressure control system (5), computer control system (1) and fluid metering system (4); It is characterized in that experiment is placed in the full-hole core clamper (6) with crannied full-hole core (7), full-hole core clamper (6) built-in inspection of inner pressure system (3), ring pressure-controlled system (10) and back pressure control system (5), full-hole core clamper (6) injection side links to each other with micro-flow pump (8), outlet end links to each other with fluid metering system (4), computer control system (1) links to each other with fluid metering system (4), heating temperature-controlling system (9), ring pressure-controlled system (10), inspection of inner pressure system (3), back pressure control system (5) is integrated on the temperature, pressure control panel (2), computer control system (1) links to each other with control panel (2), to realize the control to temperature and each pressure.
2. a kind of rock core interporosity flow coefficient experimental apparatus for testing according to claim 1, the pressure transducer in the inspection of inner pressure system (3) can be realized the monitoring to pressing in the rock core.
3. a kind of rock core interporosity flow coefficient experimental apparatus for testing according to claim 1, fluid metering system (4) can measure oil phase and water flow respectively.
4. a kind of rock core interporosity flow coefficient experimental apparatus for testing according to claim 1, fluid metering system (4) is measured by the precise electronic balance, and its measuring accuracy can reach 0.0001g.
5. a kind of rock core interporosity flow coefficient experimental apparatus for testing according to claim 1, computer control system (1) can be realized the injection flow quantity intelligent control to micro-flow pump.
6. a kind of rock core interporosity flow coefficient experimental apparatus for testing according to claim 1, computer control system (1) can be realized monitoring and control that back pressure, confined pressure and ring are pressed.
7. a kind of rock core interporosity flow coefficient experimental apparatus for testing according to claim 1, computer control system (1) can be realized the temperature control to full-hole core clamper (6).
8. a kind of rock core interporosity flow coefficient experimental apparatus for testing according to claim 1, computer control system (1) can realize the automatic record to experimental data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310180615.2A CN103267836B (en) | 2013-05-16 | 2013-05-16 | Test device of core interporosity flow coefficient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310180615.2A CN103267836B (en) | 2013-05-16 | 2013-05-16 | Test device of core interporosity flow coefficient |
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| Publication Number | Publication Date |
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| CN103267836A true CN103267836A (en) | 2013-08-28 |
| CN103267836B CN103267836B (en) | 2014-12-10 |
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| CN201310180615.2A Expired - Fee Related CN103267836B (en) | 2013-05-16 | 2013-05-16 | Test device of core interporosity flow coefficient |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103498669A (en) * | 2013-09-04 | 2014-01-08 | 中国石油天然气股份有限公司 | Quantitative determination method of interbedded cross flows of heterogeneous rock core models |
| CN111487174A (en) * | 2020-04-21 | 2020-08-04 | 中国石油大学(北京) | Method, device and system for determining cross-flow shape factor between matrix and fracture |
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| US5164672A (en) * | 1992-02-19 | 1992-11-17 | Mobil Oil Corporation | Method for measuring electrical resistivity of a core sample of porous rock during water drainage and imbibition |
| US5284051A (en) * | 1993-02-09 | 1994-02-08 | Mobil Oil Corporation | Method for identifying residual oil characteristics of porous reservoir rock |
| US20050178189A1 (en) * | 2002-02-21 | 2005-08-18 | Roland Lenormand | Method and device for evaluating physical parameters of an underground deposit from rock cuttings sampled therein |
| US20090126462A1 (en) * | 2005-04-26 | 2009-05-21 | Marc Fleury | Method and device for evaluating flow parameters and electric parameters of porous medium |
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| CN202330168U (en) * | 2011-11-14 | 2012-07-11 | 东北石油大学 | Simulation test device of separate layer fracturing layer cross flow |
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2013
- 2013-05-16 CN CN201310180615.2A patent/CN103267836B/en not_active Expired - Fee Related
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| US5164672A (en) * | 1992-02-19 | 1992-11-17 | Mobil Oil Corporation | Method for measuring electrical resistivity of a core sample of porous rock during water drainage and imbibition |
| US5284051A (en) * | 1993-02-09 | 1994-02-08 | Mobil Oil Corporation | Method for identifying residual oil characteristics of porous reservoir rock |
| US20050178189A1 (en) * | 2002-02-21 | 2005-08-18 | Roland Lenormand | Method and device for evaluating physical parameters of an underground deposit from rock cuttings sampled therein |
| US20090126462A1 (en) * | 2005-04-26 | 2009-05-21 | Marc Fleury | Method and device for evaluating flow parameters and electric parameters of porous medium |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103498669A (en) * | 2013-09-04 | 2014-01-08 | 中国石油天然气股份有限公司 | Quantitative determination method of interbedded cross flows of heterogeneous rock core models |
| CN103498669B (en) * | 2013-09-04 | 2015-12-09 | 中国石油天然气股份有限公司 | A kind of method for quantitatively determining of heterogeneous core model crossflow amount |
| CN111487174A (en) * | 2020-04-21 | 2020-08-04 | 中国石油大学(北京) | Method, device and system for determining cross-flow shape factor between matrix and fracture |
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| CN103267836B (en) | 2014-12-10 |
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