CN104749652B - Real-time online Quantitative Physical Simulation oil migration path device and method - Google Patents
Real-time online Quantitative Physical Simulation oil migration path device and method Download PDFInfo
- Publication number
- CN104749652B CN104749652B CN201510183672.5A CN201510183672A CN104749652B CN 104749652 B CN104749652 B CN 104749652B CN 201510183672 A CN201510183672 A CN 201510183672A CN 104749652 B CN104749652 B CN 104749652B
- Authority
- CN
- China
- Prior art keywords
- pressure
- oil
- real
- probe
- electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The invention belongs to oil-gas migration technical field, solving existing oil-gas migration can only the problem of observation measurements, it is provided that a kind of real-time online Quantitative Physical Simulation oil migration path device and method.Center control platform of the present invention is connected with control system and monitoring system respectively, Data Management Analysis system is connected with detecting system, also include analog unit, control system includes control pressurer system, temperature control system and electrode control system, and analog unit is connected with control pressurer system, temperature control system and electrode control system respectively；Detecting system includes pressure detecting system, electrode detection record system and oil-water metering system, and analog unit is connected with pressure detecting system, electrode detection record system and oil-water metering system respectively；Data Management Analysis system is connected with electrode detection record system and oil-water metering system respectively.Conventional observation measurements mode changed by the experimental provision of the present invention, and precision is high, experiment effect is good, have more cogency.
Description
Technical field
The present invention relates to oil-gas migration technical field, particularly relate to Quantitative Physical Simulation oil migration path field, specifically
A kind of real-time online Quantitative Physical Simulation oil migration path device and method.
Background technology
Oil-gas migration is always the difficulties that oil-gas exploration industry is badly in need of solving.Before the nineties in 20th century, oil-gas migration is ground
The focus studied carefully is the power of primary migration, phase, process and geochemical effect thereof.Since the nineties in 20th century, oil gas
Migration behavior in carrier bed is widely paid close attention to, this is because the secondary migration that hydrocarbon fluid is in lake basin is a pole
Inhomogenous process, even if in uniform pore media, the migration of hydrocarbon fluid is also only along road limited in channel range
Footpath generation (Schowalter, 1979；Demibicki et al.,1989；Catalan et al.,1992).From having observed that
Migration phenomenon it is inferred that path and the process of hydrocarbon fluid migration may be much like on different scale, but still suffer from certain
Difference, some macroscopically can be considered the process the most heterogeneous on less yardstick (Luo Xiaorong, 2003) of homogenizing.
Oil migration path prediction is oil-gas reservoir location and the basis of oil-gas exploration deployment.Physical simulation experiment is research hydro carbons oil gas
One of effective ways of dust trajectory.
Current PHYSICAL MODELING OF IN is carried out mainly for both direction, and one is for how sandstone lens becomes to hide, and another is pin
How tomography is controlled Tibetan.
Become Tibetan problem about sandstone lens, have more following researchs.R.J.Cordell (1976) is by U.S. De Kesa
The simulation of Hydrocarbon Migration And Accumulation process in this north, state and middle part sandstone lens, it is believed that the oil gas in oil source rock is from sandstone lens
The bottom of body enters lenticular body, and in lenticular body, original water is discharged from top.Chen Zhangming etc. (1998) have carried out a series of
Sandstone lens oil migration and accumulation analogue experiment research, respectively in source bed, on, under sandstone profit alternately drill
Become and test.Simulation experiment result illustrates, the convex lens shape sandstone oil reservoir formation mechenism in source bed, is capillarity and source
Rock row's hydrocarbon pressure promotes profit to replace into Tibetan；The outer convex lens body sandstone of source rock also can be by above-mentioned machine when there being gap to link up source rock with sand body
Reason forms oil reservoir；With tomography as main thoroughfare, oil may span across shale layer and to the hole rock mass Migrations such as sandstone that underlie；Source
Can the convex lens body sandstone in the outer shale layer seamless communication source rock of rock form oil-gas reservoir, need inquire into by further experiment.Once brightness was spattered
It is simulated experiment, it is believed that oil is in sandstone lens Deng (2000) sandstone lens oil accumulation to being surrounded by low infiltration sandrock
In fill by injection pressure, capillary pressure difference and buoyancy effect.Zhang Yun peaks etc. (2002) are thought by simulation under hydrocarbon source rock
The formation of lithological pool must is fulfilled for the geological conditions that following two is necessary, i.e. the superpressure of hydrocarbon source rock and connect hydrocarbon source rock and under
The tomography of volt sand body, the most sufficiently large superpressure provides the power that oil gas is migrated downwards, and tomography is then that oil gas is migrated downwards
Passage.Jiang Zhenxue etc. (2003,2004) application nuclear magnetic resonance technique carries out experimental simulation to sandstone lens reservoir Filling process,
The Special attention will be given to wall rock condition control action to lithological pool, it is believed that after only country rock oil saturation reaches certain thresholding, (hydrocarbon is dense
Degree), the penetration of oil-gas formation, extension could break through the resistance entrance rock core of oil-gas migration and become to hide with capillary force.Wang Qianju
Utilizing High Temperature High Pressure lithologic reservoir forming analogue experiment installation Deng (2004), the Characteristics of Hydrocarbon Reservoiring inquiring into sandstone lens (becomes
Tibetan process and reservoiring mechanism), it is believed that sandstone lens becomes Tibetan to be a process complexity, power type is various, interact, compound
The dynamic force balanced completed under power becomes to hide, and hydrocarbon source rock fuel delivery is the biggest simultaneously more is conducive to into Tibetan.Wang Yongzhuo etc. (2006) pin
Become the control hidden to carry out physical modeling lithological pool country rock oil saturation, test result indicate that under the conditions of certain pressure,
Country rock oil saturation is the biggest, and hydrocarbon supplying ability is the strongest, and in sand body, oil saturation is the biggest, is more conducive to the one-tenth of sand body to hide.
Li Yuanhao etc. (2009) become Tibetan to carry out physical modeling for Upper Triassic in Ordos Basin prolongation group hyposmosis lithological pool,
Test result indicate that, no matter hydrocarbon source rock upwards or downwards arranges hydrocarbon, and abnormal pressure is the biggest more is conducive to low permeability reservoir to become to hide, and becomes to hide
Efficiency is the highest, and oil saturation is the highest.
Become Tibetan problem about tomography, have more following researchs.Zhang Shanwen and once spattered brightness (2003) for tomography to Zhanhua depression Guantao
Group oil migration and gathering impact have carried out physical simulation experiment research.Shang Erjie (2005) is with Northwestern Margin of Junggar Basin screw oil expeller
Fracture belt is geological model, has carried out the physical simulation experiment research of oil control by fault.Gong Xiumei (2005) is real by physical modeling
Test to oil in two kinds of Reservoir model of South Bohai depression deep layer s_4 formation fill, fortune collecting process studied.Guo Kai (2010)
Couple control with reservoir heterogeneity for tomography longitudinal direction transporting to transport and gone simulation experiment study.Lin Xiaoying etc. (2014) are to hypotonic
Sandstone Natural gas migration and accumulation has carried out physical simulation experiment thoroughly.Ding Wenlong (2014) is to Hinterland of The Junggar Basin oil control by fault
Carry out physical simulation experiment.The studies above shows, the Time And Space Distribution of fault transfer body control petroleum-bearing fluid motion direction,
Path and distribution.
Above-mentioned achievement is all deterministic simulation, and the mainly product before simulation and the product after simulation launches metering and test, and right
Phenomenon in simulation process carries out picture charge pattern, to analyze possible oil migration path and fortune collecting process, the most unrealized present invention
In the online quantitative simulation mentioned, and inlet pressure and the regulatable feature of outlet pressure.
Above-mentioned simulation of oil-gas migration and accumulation has relied on analogue experiment installation and method.Current physical simulation techniques and method are the most same
Time solve real-time online detection by quantitative oil saturation in simulation process, and regulation and control import and export pressure is really to realize voltage-controlled physics
Simulation feature, the most just cannot really realize oil-gas migration Quantitative Physical Simulation and voltage-controlled physical modeling.
Though existing oil migration path analogy method achieves the visualization feature from 2 d-to-3 d, but still suffers from defect:
1) existing oil migration path physical modeling is by the picture charge pattern in simulation process or to product inspection before and after simulation
Cls analysis, it is main for belonging to Qualitative physical modeling, is not carried out real-time online detection by quantitative function in simulation process, the most not
Reach the modern science and technology requirement to experiment quantitative technique；
2) existing oil migration path physical simulating method or do not consider to fill the pressure impact on simulaed path, or only considers
The inlet pressure impact on simulation experiment, owing to descending oil-gas migration to be arranged by migration agent practically, and strata pressure is weight
One of migration agent wanted, and oil-gas migration process affected by inlet pressure and outlet pressure simultaneously, actual geological process
In confined pressure and pressure release condition impact, therefore, prior art the most really solve voltage-controlled under simulating experiment technique；
3) current existing technology solves above-mentioned two problems the most simultaneously.
Summary of the invention
It is an object of the invention to solve the defect of prior art, it is provided that a kind of precision is high, experiment effect is good, have more cogency
Real-time online Quantitative Physical Simulation oil migration path device and method.
In order to achieve the above object, a kind of real-time online Quantitative Physical Simulation oil migration path device of the present invention, including controlling
System, detecting system, Data Management Analysis system and center control platform, center control platform respectively with control system and monitoring
System connects, and Data Management Analysis system is connected with detecting system, also includes that analog unit, control system include Stress control system
System, temperature control system and electrode control system, analog unit respectively with control pressurer system, temperature control system and electrode control
System processed connects；Detecting system includes pressure detecting system, electrode detection record system and oil-water metering system, and analog unit divides
It is not connected with pressure detecting system, electrode detection record system and oil-water metering system；Data Management Analysis system respectively with electrode
Detection record system and oil-water metering system connect；Analog unit includes that casing main body and hold down gag, casing main body include casing
Shell and Box Cover, be Box Cover on the upside of it, Box Cover be formed around sealing ring, hold down gag is arranged on case through Box Cover
On four corners of phosphor bodies, the upper and lower both sides of casing main body are run through cabinet shell and are evenly equipped with resistance probe, pressure probe and temperature probe,
Four sides of casing main body are provided with entry/exit QI KOU, and the pressure regulator valve of control pressurer system is connected respectively with the entry/exit QI KOU of analog unit.
Conventional observation measurements mode changed by the experimental provision of the present invention, has abandoned conventional employing and has measured inlet and measure export volume,
And then obtaining relevant experimental data by middle loss, this experimental data is the most inaccurate, it is impossible in enough discharge experiments
Interference factor, and the present invention changes this present situation completely.
Further, the upside of described analog unit is provided with visual transparency cover, is provided with movable roller bearing, sets outside it on the downside of it
There is casing outside framework, be provided with support outside casing outside framework and connect, be connected for movable between casing outside framework and support, support
Bottom is provided with the automatic castor of strap brake.
It is visual transparency cover on the upside of the analog unit of the present invention, it is possible to seen the dust trajectory of oil gas by naked eyes, on this basis,
Whether correct data in conjunction with the later stage process, can calculate the data in experimentation more accurately, analog unit and support it
Between be movable connection, including being movably hinged, bearing connect, these connected modes achieve 360 degree of rotations of analog unit,
Observation and the detection of different angles can be carried out, it is achieved that three-dimensional observation and detection.
Further, resistance probe, pressure probe and the temperature probe in casing main body and casing main body are for being tightly connected.
The experiment that the present invention is studied, owing to oil-gas migration is in having the environment of pressure and pressure, so setting on analog unit
Standby being is tightly connected.
Further, control pressurer system is connected with water tank and high-pressure hydraulic pump, high-pressure hydraulic pump respectively with Pressure gauge, high pressure valve and steady
Pressure valve is connected with pressure regulator valve after connecting.
Further, described resistance probe is 50-100, and pressure probe is 32-64, and temperature probe is 1-2.
The probe number of the present invention can be adjusted with experimental different needs, and number of probes here is only present invention experiment
The most preferred quantity of object.
Further, resistance probe is double pressing mold miniature probes, and probe body is that the compacting of ABS plastic bimodulus forms, and electrode uses 2.0mm
Wide silver-colored ring, is provided with n on probe and measures electrode En and power pole Pn, and current electrode Pn is connected with power supply, measures electrode
En is connected with resistance measuring instrument.
It is as shown in Figure 7 that the resistance probe of the present invention is used for measuring its measuring principle of potential difference, has n electrode on probe,
Supply electric current I by power pole P1 and P2, after setting up electric field in the earth formation, carry out potential difference measurement with measuring electrode E1, E2.
This potential difference reflects electric field distribution characteristic, thus reflected resistance rate changes.(frequency stepping can for resistivity measurement supply low frequency
Adjust) square wave ac, measure the potential difference Δ U between E1 and E2E, it is calculated as follows resistivity
R=K Δ UE/I
In formula, K is K factor, and it is relevant with the size of probe and type；ΔUMNFor potential difference, V；I is current value, A.
Further, hold down gag includes that hand pump and hydraulic cylinder, hand pump and hydraulic cylinder and analog unit junction are the company of sealing
Connect.
Further, described temperature control system includes preheating device and hot water circulating pump, and preheating device is with hot water circulating pump even
Connecing, hot water circulating pump is arranged on the outside of analog unit.
Here the requirement in various experiments of the hot water cyclesystem is different, can be finely adjusted with experimental difference.
A kind of method utilizing said apparatus to carry out real-time online Quantitative Physical Simulation oil migration path, comprises the following steps:
1. prepare associated analog material, detect analog systems equipment；
2. construct experimental model according to experiment content and experiment purpose, varigrained hydrophilic quartz sand is positioned in casing, root
According to the pattern of wants different shape physical model of simulation experiment purpose, as a example by simulating tomography, due to porosity and the infiltration of tomography
Property high, therefore select the quartz sand that Relative Size is high to be modeled to tomography shape；
3., after arranging experimental model according to research purpose, after checking that each instrument, parts, flow process pipeline are errorless, hand pump is rotated
Utilizing four small liquid jars to promote Box Cover, experimental model is carried out mechanical ramming, maximum pressure, up to 1MPa, reaches requirement of experiment
Rear stopping is compacted, and then fastens hold down gag；
4. the preheating temperature of design temperature control system, starts preheating device and hot water circulating pump, makes experimental model reach pre-constant temperature
Degree；
5. according to simulation experiment requirement, regulation inlet pressure system and outlet pressure system, make inlet and outlet pressure reach experiment purpose
Requirement；
6. select inlet and delivery outlet, connect constant current constant voltage pump, set charge velocity and start displacement step, open center control
Platform enters data acquisition window；
7. experimentation gather and preserve each measuring point pressure data and oil saturation delta data, and real-time camera or video recording,
After reaching requirement of experiment, stop experiment, carry out Data Processing in Experiment；
8. small step below Data Processing in Experiment:
1) take a picture or record a video and the data collected of Data Management Analysis system；
2) different according to the bottom of experimental simulation, resistance rate measures the square wave ac of supply different frequency, measure En it
Between potential difference Δ UE, it is calculated as follows resistivity
R=K Δ UE/I
In formula, K is K factor, and it is relevant with the size of probe and type；ΔUMNFor potential difference, V；I is current value, A；
According to the formation resistivity measured, Archie formula calculate water saturation Sw:
In formula, Rt is that formation rock oil-containing resistivity i.e. surveys resistivity, Ω m；IRFor resistivity ratio；Rw is that rock is complete
Aqueous resistivity, Ω m；Sw is water saturation, %；B is coefficient；N is saturation exponent；Wherein use rock core displacement test
Determine that coefficient b and the value of coefficient n in formula, the uniform dielectric of application known resistivity demarcate electrode coefficient；
3) during physical modeling, sand body is saturated by formation water, under compacting certain condition, according to skeleton (i.e. hole) no
Becoming principle, water saturation is Sw, then oil saturation value is
So=1-Sw
4) according to step 2) and 3) in processing mode, by formula and processing procedure typing center control platform, center
Control platform and will directly present oil saturation data；
5) according to step 4) in data draw trendgram or other data relevant with experiment.
Beneficial effects of the present invention has:
(1) analog unit of the present invention can really realize three-dimensional visualization feature with 360 degree of rotations, simulation process be fully achieved
In image three-dimensional follow the trail of；
(2) real-time online computer quantitative detection oil saturation function during simulation experiment of the present invention, and real-time online is automatic
Gathering pressure data function in analog unit, the data in migration process are directly exported by computer, really realize real-time online quantitative
Change detection and data process automation function, integrate quantification detection and computer automatically processes function；Can be accurately obtained
The change of different time diverse location oil saturation can realize following the trail of oil migration path very well；Can be accurately obtained different time
Between the change of diverse location pressure can realize very well following the trail of oil migration path upward pressure change purpose.
(3) for the present invention single inlet pressure control system than before, inlet-pressure during present method invention simulation experiment
Force control system and outlet pressure control system, can simulate confined pressure and pressure release condition in geologic body simultaneously and change dust trajectory
Impact.
(4) technical scheme has the strongest directive significance for research oil migration path technical field, and it can
The defect of conventional technical scheme is taken on a new look, be there is good practicality and promotional value.
Accompanying drawing explanation
Fig. 1 apparatus of the present invention overall structure schematic diagram；
Fig. 2 is analog unit perspective view in Fig. 1；
Fig. 3 is analog unit plan structure schematic diagram in Fig. 2；
Fig. 4 is that in analog unit actual experiment, data process schematic diagram；
Under the conditions of the identical outlet pressure 0.1MPa that Fig. 5 present invention realizes is i.e. with pressure release, certain electrode position inspection under different filled pressure
The oil saturation measured changes over curve synoptic diagram；
Under the conditions of identical injection pressure 20MPa that Fig. 6 present invention realizes is i.e. with confined pressure, certain electrode position inspection under different outlet pressures
The oil saturation measured changes over curve synoptic diagram；
Fig. 7 present invention measures potential difference measurement principle schematic.
In figure: 1 support；2 casing outside frameworks；3 analog units；4 visual transparency covers；5 movable roller bearings；6 resistance probes；
7 pressure probes；8 pressure regulator valves；9 pressure maintaining valves；10 high pressure valves；11 Pressure gauges；12 power supplies；13 resistance measuring instruments；14
Electrode system；15 test mediums；301 hold down gags；302 entry/exit QI KOU；303 Box Covers.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
As it is shown in figure 1, a kind of real-time online Quantitative Physical Simulation oil migration path device, including control system, detecting system,
Data Management Analysis system and center control platform, center control platform is connected, at data with control system and monitoring system respectively
Reason analysis system is connected with detecting system, also includes analog unit 3, and control system includes that control pressurer system, temperature control system
System and electrode control system, analog unit 3 is connected with control pressurer system, temperature control system and electrode control system respectively；
Detecting system includes pressure detecting system, electrode detection record system and oil-water metering system, and analog unit 3 is examined with pressure respectively
Examining system, electrode detection record system and oil-water metering system connect；Data Management Analysis system respectively with electrode detection record system
System and oil-water metering system connect；Analog unit 3 includes casing main body and hold down gag 301, and casing main body includes cabinet shell
With Box Cover 303, be Box Cover 303 on the upside of it, Box Cover 303 be formed around sealing ring, hold down gag 301 is through casing
Lid 303 is arranged on four corners of casing main body, and the upper and lower both sides of casing main body are run through cabinet shell and are evenly equipped with resistance probe 6, pressure
Force probe 7 and temperature probe, four sides of casing main body are provided with entry/exit QI KOU 302, the pressure regulator valve 8 of control pressurer system and mould
The entry/exit QI KOU 302 intending casing connects respectively.
As in figure 2 it is shown, the upside of described analog unit 3 is provided with visual transparency cover 4, on the downside of it, it is provided with movable roller bearing 5, its
Outside is provided with casing outside framework 2, is provided with support 1 and connects, between casing outside framework 2 and support 1 be outside casing outside framework 2
Movable connection, is provided with the automatic castor of strap brake bottom support 1.
Resistance probe 6, pressure probe 7 and temperature probe in casing main body with casing main body for being tightly connected.
Control pressurer system is connected with water tank and high-pressure hydraulic pump, high-pressure hydraulic pump respectively with Pressure gauge 11, high pressure valve 10 and pressure maintaining valve 9
It is connected with pressure regulator valve 8 after connection.
Described resistance probe 6 is 50-100, and pressure probe 7 is 32-64, and temperature probe is 1-2.
Resistance probe 6 is double pressing mold miniature probes, and probe body is that the compacting of ABS plastic bimodulus forms, and electrode uses 2.0mm wide
Silver ring, is provided with n on probe and measures electrode En and power pole Pn, and current electrode Pn is connected with power supply, measures electrode En
It is connected with resistance measuring instrument.
Hold down gag 301 includes that hand pump and hydraulic cylinder, hand pump and hydraulic cylinder and analog unit 3 junction are for being tightly connected.
Described temperature control system includes preheating device and hot water circulating pump, and preheating device is connected with hot water circulating pump, and hot water follows
Ring pump is arranged on the outside of analog unit 3.
It is as shown in Figure 7 that the resistance probe of the present invention is used for measuring its measuring principle of potential difference, has n electrode group on probe
Becoming electrode system 14, power supply 12 supplies electric current I by power pole P1 and P2, sets up electric field in test medium 15 stratum
After, resistance measuring instrument 13 carries out potential difference measurement with measuring electrode E1, E2.This potential difference reflects electric field distribution characteristic,
Thus the change of reflected resistance rate.
A kind of method utilizing described device to carry out real-time online Quantitative Physical Simulation oil migration path, comprises the following steps:
1. prepare associated analog material, detect analog systems equipment；
2. construct experimental model according to experiment content and experiment purpose, varigrained hydrophilic quartz sand be positioned in casing,
Pattern of wants different shape physical model according to simulation experiment purpose, as a example by simulating tomography, due to the porosity of tomography with ooze
Property is high thoroughly, therefore selects the quartz sand that Relative Size is high to be modeled to tomography shape；
3., after arranging experimental model according to research purpose, after checking that each instrument, parts, flow process pipeline are errorless, rotate hand
Pump utilizes four small liquid jars to promote Box Cover, and experimental model is carried out mechanical ramming, and maximum pressure, up to 1MPa, reaches experiment and wants
Stop compacting after asking, then fasten hold down gag；
4. the preheating temperature of design temperature control system, starts preheating device and hot water circulating pump, makes experimental model reach predetermined
Temperature；
5. according to simulation experiment requirement, regulation inlet pressure system and outlet pressure system, make inlet and outlet pressure reach to test mesh
Requirement；
6. select inlet and delivery outlet, connect constant current constant voltage pump, set charge velocity and start displacement step, open center control
Platform processed enters data acquisition window；
7. experimentation gather and preserve each measuring point pressure data and oil saturation delta data, and real-time camera or video recording,
After reaching requirement of experiment, stop experiment, carry out Data Processing in Experiment；
8. small step below Data Processing in Experiment:
1) take a picture or record a video and the data collected of Data Management Analysis system；
2) bottom according to experimental simulation is different, and resistance rate measures the square wave ac of supply different frequency, measures between En
Potential difference Δ UE, it is calculated as follows resistivity
R=K Δ UE/I
In formula, K is K factor, and it is relevant with the size of probe and type；ΔUMNFor potential difference, V；I is current value, A；
3) according to the formation resistivity measured, Archie formula water saturation Sw is calculated:
In formula, Rt is that formation rock oil-containing resistivity i.e. surveys resistivity, Ω m；IRFor resistivity ratio；Rw is that rock is complete
Aqueous resistivity, Ω m；Sw is water saturation, %；B is coefficient；N is saturation exponent；Wherein use rock core displacement test
Determine that coefficient b and the value of coefficient n in formula, the uniform dielectric of application known resistivity demarcate electrode coefficient；
During physical modeling, sand body is saturated by formation water, under compacting certain condition, according to skeleton (i.e. hole) invariance principle,
Water saturation is Sw, then oil saturation value So is
So=1-Sw
4) according to step 2) and 3) in processing mode, by formula and processing procedure typing center control platform, center is controlled
Platform processed will directly present oil saturation data；
5) according to step 4) in data draw trendgram or other data relevant with experiment.
Embodiment 1
As shown in Figure 4, the present invention is by real-time online detection oil saturation function in simulation experiment, it is achieved at certain time oil-containing
The spatial variations of saturation, it is achieved that following the trail of the function of oil migration path, the contour on figure is oil saturation contour,
Arrow instruction is oil migration approach, upwards migrates along tomography.
Embodiment 2
Schematic diagram as shown in Figure 5 and Figure 6 can be drawn after carrying out the data in table 1 below processing, it should be apparent that
The change of oil saturation under different condition, it is achieved that the real time on-line monitoring of experimental data.
Table 1
Claims (9)
1. a real-time online Quantitative Physical Simulation oil migration path device, processes including control system, detecting system, data
Analysis system and center control platform, center control platform is connected with control system and detecting system respectively, Data Management Analysis system
System is connected with detecting system, it is characterised in that: also including analog unit (3), control system includes control pressurer system, temperature
Control system and electrode control system, analog unit (3) controls system with control pressurer system, temperature control system and electrode respectively
System connects；Detecting system includes pressure detecting system, electrode detection record system and oil-water metering system, analog unit (3) point
It is not connected with pressure detecting system, electrode detection record system and oil-water metering system；Data Management Analysis system respectively with electrode
Detection record system and oil-water metering system connect；Analog unit (3) includes casing main body and hold down gag (301), casing master
Body includes cabinet shell and Box Cover (303), is Box Cover (303) on the upside of it, Box Cover (303) be formed around sealing ring,
Hold down gag (301) is arranged on four corners of casing main body through Box Cover (303), and case is run through in the upper and lower both sides of casing main body
Body case is evenly equipped with resistance probe (6), pressure probe (7) and temperature probe, and four sides of casing main body are provided with entry/exit QI KOU
(302), the pressure regulator valve (8) of control pressurer system is connected respectively with the entry/exit QI KOU (302) of analog unit.
Real-time online Quantitative Physical Simulation oil migration path device the most according to claim 1, it is characterised in that: described
The upside of analog unit (3) be provided with visual transparency cover (4), be provided with movable roller bearing (5) on the downside of it, outside it, be provided with casing
Outside framework (2), casing outside framework (2) outside is provided with support (1) and connects, between casing outside framework (2) and support (1)
For movable connection, support (1) bottom is provided with the automatic castor of strap brake.
Real-time online Quantitative Physical Simulation oil migration path device the most according to claim 1, it is characterised in that: casing
Resistance probe (6), pressure probe (7) and temperature probe in main body with casing main body for being tightly connected.
Real-time online Quantitative Physical Simulation oil migration path device the most according to claim 1, it is characterised in that: pressure
Control system is connected with water tank and high-pressure hydraulic pump, high-pressure hydraulic pump respectively with Pressure gauge (11), high pressure valve (10) and pressure maintaining valve (9)
It is connected with pressure regulator valve (8) after connection.
Real-time online Quantitative Physical Simulation oil migration path device the most according to claim 1, it is characterised in that: described
Resistance probe (6) be 50-100 only, pressure probe (7) be 32-64 only, temperature probe be 1-2 only.
Real-time online Quantitative Physical Simulation oil migration path device the most according to claim 1, it is characterised in that: resistance
Probe (6) is double pressing mold miniature probes, and probe body is that the compacting of ABS plastic bimodulus forms, and electrode uses the silver-colored ring that 2.0mm is wide,
Being provided with n on probe and measure electrode En and power pole Pn, power pole Pn is connected with power supply, measures electrode En and surveys with resistance
Amount instrument connects.
Real-time online Quantitative Physical Simulation oil migration path device the most according to claim 1, it is characterised in that: compress
Device (301) includes that hand pump and hydraulic cylinder, hand pump and hydraulic cylinder and analog unit (3) junction are for being tightly connected.
Real-time online Quantitative Physical Simulation oil migration path device the most according to claim 1, it is characterised in that: described
Temperature control system include preheating device and hot water circulating pump, preheating device is connected with hot water circulating pump, hot water circulating pump arrange
Outside in analog unit (3).
9. utilize the method that the device described in claim 1 carries out real-time online Quantitative Physical Simulation oil migration path, its
It is characterised by: comprise the following steps:
1. prepare associated analog material, detect analog systems equipment；
2. construct experimental model according to experiment content and experiment purpose, varigrained hydrophilic quartz sand is positioned in casing, root
According to the pattern of wants different shape physical model of simulation experiment purpose, as a example by simulating tomography, due to the porosity of tomography
High with permeability, therefore select the quartz sand that Relative Size is high to be modeled to tomography shape；
3., after arranging experimental model according to research purpose, after checking that each instrument, parts, flow process pipeline are errorless, hand pump is rotated
Utilizing four small liquid jars to promote Box Cover, experimental model is carried out mechanical ramming, maximum pressure, up to 1MPa, reaches real
Stop compacting after testing requirement, then fasten hold down gag；
4. the preheating temperature of design temperature control system, starts preheating device and hot water circulating pump, makes experimental model reach pre-constant temperature
Degree；
5. according to simulation experiment requirement, regulation inlet pressure system and outlet pressure system, make inlet and outlet pressure reach experiment purpose
Requirement；
6. select inlet and delivery outlet, connect constant current constant voltage pump, set charge velocity and start displacement step, open center control
Platform enters data acquisition window；
7. experimentation gather and preserve each measuring point pressure data and oil saturation delta data, and real-time camera or video recording,
After reaching requirement of experiment, stop experiment, carry out Data Processing in Experiment；
8. small step below Data Processing in Experiment:
1) take a picture or record a video and the data collected of Data Management Analysis system；
2) during resistivity measurement, different according to the bottom of experimental simulation, the square wave ac of supply different frequency, measure En it
Between potential difference Δ UE, it is calculated as follows resistivity
R=K Δ UE/I
In formula, K is electrode coefficient, and it is relevant with the size of probe and type；ΔUEFor potential difference, V；I is current value, A；
According to the formation resistivity measured, Archie formula calculate water saturation Sw:
In formula, Rt is that formation rock oil-containing resistivity i.e. surveys resistivity, Ω m；IRFor resistivity ratio；Rw is rock
The complete aqueous resistivity of stone, Ω m；Sw is water saturation, %；B is coefficient；N is saturation exponent, wherein uses rock core
Displacement test determines that coefficient b and the value of coefficient n in formula, the uniform dielectric of application known resistivity demarcate electrode coefficient；
During physical modeling, sand body is saturated by formation water, under compacting certain condition, constant according to skeleton (i.e. hole)
Principle, water saturation is Sw, then oil saturation value is So=1-Sw
3) according to step 2) and 3) in processing mode, by formula and processing procedure typing center control platform, center is controlled
Platform processed will directly present oil saturation data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510183672.5A CN104749652B (en) | 2015-04-17 | 2015-04-17 | Real-time online Quantitative Physical Simulation oil migration path device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510183672.5A CN104749652B (en) | 2015-04-17 | 2015-04-17 | Real-time online Quantitative Physical Simulation oil migration path device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104749652A CN104749652A (en) | 2015-07-01 |
| CN104749652B true CN104749652B (en) | 2016-08-24 |
Family
ID=53589619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510183672.5A Expired - Fee Related CN104749652B (en) | 2015-04-17 | 2015-04-17 | Real-time online Quantitative Physical Simulation oil migration path device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104749652B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931676B (en) * | 2015-07-09 | 2016-03-30 | 中国石油大学(华东) | Lithological combination structure control Gas Accumulation physical simulation system and experimental technique |
| CN105178954B (en) * | 2015-10-29 | 2018-03-23 | 中国石油大学(华东) | Unconformity barrier oil-gas reservoir physical simulation experiment device and experimental method |
| CN106568981A (en) * | 2016-08-04 | 2017-04-19 | 中国石油大学(北京) | Automatic core displacement test device, and control method |
| CN108508274B (en) | 2018-06-05 | 2020-10-09 | 中国石油天然气股份有限公司 | Resistivity measurement method, device and system |
| CN109667575B (en) * | 2018-10-24 | 2022-04-29 | 西南石油大学 | Probe method well pattern model water drive effect measuring device |
| CN109270252A (en) * | 2018-11-09 | 2019-01-25 | 浙江海洋大学 | A kind of experimental provision and method of the migration of mobile phase oil pollution porous media |
| CN111638685A (en) * | 2019-03-01 | 2020-09-08 | 北京国双科技有限公司 | Simulation system construction method and device |
| CN110068592B (en) * | 2019-05-06 | 2020-11-06 | 中国石油大学(北京) | Oil-gas-water migration simulation device and method |
| CN111402695B (en) * | 2020-05-16 | 2020-10-30 | 东北石油大学 | Device for simulating fault opening and closing by using wettability change and simulation method thereof |
| CN113884422A (en) * | 2020-07-03 | 2022-01-04 | 神华神东煤炭集团有限责任公司 | Three-dimensional analog simulation visual tracer gas monitoring system and monitoring method |
| CN114993885B (en) * | 2022-07-18 | 2022-11-04 | 中国石油大学(华东) | Deep sea deep layer oil and gas transportation and gathering visual experimental device under multi-field coupling effect |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1410654A (en) * | 2001-09-29 | 2003-04-16 | 石油大学(北京)盆地与油藏研究中心 | Oil gas formation, migration and accumulation analogue experiment installation |
| CN101561362A (en) * | 2009-05-13 | 2009-10-21 | 中国石油大学(北京) | Three-dimensional experimental device for simulating lithologic reservoir forming |
| CN101916523A (en) * | 2010-08-02 | 2010-12-15 | 任旭虎 | Experiment device for simulating geological faultage formation |
| CN102493803A (en) * | 2011-12-29 | 2012-06-13 | 东北石油大学 | Three-axle-table-based oil-gas migration simulator, and simulation experiment method |
| CN103206209A (en) * | 2013-03-26 | 2013-07-17 | 中国石油大学(华东) | Comprehensive simulation experiment device for reservoir heterogeneity |
| CN204694867U (en) * | 2015-04-17 | 2015-10-07 | 中国石油大学(华东) | Real-time online Quantitative Physical Simulation oil migration path device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7006959B1 (en) * | 1999-10-12 | 2006-02-28 | Exxonmobil Upstream Research Company | Method and system for simulating a hydrocarbon-bearing formation |
-
2015
- 2015-04-17 CN CN201510183672.5A patent/CN104749652B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1410654A (en) * | 2001-09-29 | 2003-04-16 | 石油大学(北京)盆地与油藏研究中心 | Oil gas formation, migration and accumulation analogue experiment installation |
| CN101561362A (en) * | 2009-05-13 | 2009-10-21 | 中国石油大学(北京) | Three-dimensional experimental device for simulating lithologic reservoir forming |
| CN101916523A (en) * | 2010-08-02 | 2010-12-15 | 任旭虎 | Experiment device for simulating geological faultage formation |
| CN102493803A (en) * | 2011-12-29 | 2012-06-13 | 东北石油大学 | Three-axle-table-based oil-gas migration simulator, and simulation experiment method |
| CN103206209A (en) * | 2013-03-26 | 2013-07-17 | 中国石油大学(华东) | Comprehensive simulation experiment device for reservoir heterogeneity |
| CN204694867U (en) * | 2015-04-17 | 2015-10-07 | 中国石油大学(华东) | Real-time online Quantitative Physical Simulation oil migration path device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104749652A (en) | 2015-07-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104749652B (en) | Real-time online Quantitative Physical Simulation oil migration path device and method | |
| Xiong et al. | Nonlinear flow behavior through rough-walled rock fractures: the effect of contact area | |
| CN100594369C (en) | Method and device for evaluating physical parameters of an underground reservoir from rock cuttings taken therefrom | |
| CN108414560A (en) | A kind of method of the fine and close oily filling process of nuclear-magnetism-displacement combined apparatus evaluation | |
| CN106522934B (en) | Physical simulation experiment device and method for development of complex fractured reservoir horizontal well | |
| Zou et al. | Experimental and theoretical evidence for increased ganglion dynamics during fractional flow in mixed‐wet porous media | |
| CN108386164B (en) | Gas hydrates heat shock method exploitation simulator under the conditions of hypergravity | |
| CN103032057B (en) | Steam-driven three-dimensional physical simulation system for thick oil horizontal well | |
| CN107063963A (en) | A kind of compact reservoir microcrack extension and the test device and method of seepage flow characteristics | |
| CN102720476B (en) | O-shaped well physical simulation experiment device | |
| CN103926267A (en) | Method for quantitatively evaluating pore throat change degree in stress sensitive process | |
| CN103454399A (en) | Simulation experiment device and method for hot-press hydrocarbon generation and discharge based on basin evolution history | |
| CN105388054A (en) | Preparation device and preparation method of dynamic geology-based simulated rock core | |
| CN106246170B (en) | Five core translocation physical simulating devices and flow net model method | |
| CN103257151A (en) | Method for quantitative evaluation on pore throat usage law in oil and gas secondary migration process | |
| CN104563982A (en) | High-temperature high-pressure dry gas injection longitudinal wave and efficiency testing device and method for gas condensate reservoir | |
| Cheng et al. | A fractal irreducible water saturation model for capillary tubes and its application in tight gas reservoir | |
| CN110296931A (en) | A kind of characterizing method and system of tight sand oil-water relative permeability information | |
| CN102373918B (en) | Oil well batch production simulation experimental facility for low-permeability reservoir | |
| Wang et al. | A pore-scale study on microstructure and permeability evolution of hydrate-bearing sediment during dissociation by depressurization | |
| Nishiyama et al. | Size distributions of pore water and entrapped air during drying‐infiltration processes of sandstone characterized by water‐expulsion porosimetry | |
| US20220291157A1 (en) | Method for establishing mathematical model of relationship between spontaneous imbibition volume and time of porous medium | |
| CN204694867U (en) | Real-time online Quantitative Physical Simulation oil migration path device | |
| Chen et al. | Capillary pressure curve determination based on a 2‐D cross‐section analysis via fractal geometry: a bridge between 2‐D and 3‐D pore structure of porous media | |
| CN114000872B (en) | Natural gas hydrate horizontal well stratified mining process soil layer deformation testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20160824 Termination date: 20170417 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |