CN107703037A - For HTHP Natural Gas Migration And Accumulation visual detection device and method - Google Patents
For HTHP Natural Gas Migration And Accumulation visual detection device and method Download PDFInfo
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 226
- 239000003345 natural gas Substances 0.000 title claims abstract description 110
- 238000001514 detection method Methods 0.000 title claims abstract description 92
- 238000000034 method Methods 0.000 title claims abstract description 86
- 238000013508 migration Methods 0.000 title claims abstract description 78
- 230000005012 migration Effects 0.000 title claims abstract description 78
- 238000009825 accumulation Methods 0.000 title claims abstract description 54
- 230000000007 visual effect Effects 0.000 title claims abstract description 43
- 239000007789 gas Substances 0.000 claims abstract description 168
- 238000009826 distribution Methods 0.000 claims abstract description 106
- 239000011435 rock Substances 0.000 claims abstract description 83
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 74
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 99
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- 230000007246 mechanism Effects 0.000 claims description 30
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- 238000003860 storage Methods 0.000 claims description 6
- 241000208340 Araliaceae Species 0.000 claims description 4
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims description 4
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 4
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 4
- 235000008434 ginseng Nutrition 0.000 claims description 4
- 229920002530 polyetherether ketone Polymers 0.000 claims description 4
- 238000004587 chromatography analysis Methods 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims 1
- 238000011105 stabilization Methods 0.000 claims 1
- 230000008569 process Effects 0.000 description 30
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N24/00—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects
- G01N24/08—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using nuclear magnetic resonance
- G01N24/081—Making measurements of geologic samples, e.g. measurements of moisture, pH, porosity, permeability, tortuosity or viscosity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
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Abstract
The application embodiment provides one kind and is used for HTHP Natural Gas Migration And Accumulation visual detection device and method, wherein, the device includes：First air accumulator, the first container, core holding unit, magnetic nuclear resonance analyzer, hot tank circulating pump, ring pressure tracking pump, gas boosting pump, constant pressure and flow pump, the arrival end of core holding unit are provided with two branch roads：It is connected with the tie point of the first air accumulator, is connected with the second branch road of the first container；Hot tank circulating pump and ring pressure tracking pump are connected with core holding unit；Core holding unit is without magnetic core holding unit, is placed in magnetic nuclear resonance analyzer.Pump, gas boosting pump, constant pressure and flow pump simulated formation mesohigh hot environment feature exactly are tracked by using hot tank circulating pump, ring pressure, obtain the distribution parameter of object in rock core in real time further through magnetic nuclear resonance analyzer, so as to solve the migration state poor accuracy that object in rock core is detected present in existing method, the technical problem cumbersome, detection efficiency is low.
Description
Technical field
The application is related to oil-gas exploration and development technical field, more particularly to visualizes and examines for HTHP Natural Gas Migration And Accumulation
Survey apparatus and method.
Background technology
During oil-gas exploration and development is carried out, it is often necessary in the core sample in the gathered target area of detection
The migration state of object, and then can be determined according to the migration state of object in core sample in the formation at target locations rock core
The detailed process of Mechanisms of Petroleum Accumulation, so as to carry out specific oil-gas exploration, such as oil gas according to the reservoiring mechanism of oil gas
The forecast of distribution of enrichment；Or the specific exploitation of oil gas is carried out according to water drive oil gas process, such as the recovery scheme on oil gas
Design.
At present, in order to detect the migration state of object in core sample, it is frequently under conditions of normal temperature, utilizes instrument
Equipment, by One-dimensional simulation come the ground environment residing for simulation core, and then object in core sample is detected, for example, naturally
The distribution parameter of gas and water, oil etc., specific fortune of the object in rock core is determined according to the distribution parameter of object
Shift one's love condition.But when it is implemented, the above method is simulated due to being under normal temperature condition mostly by simple One-dimensional simulation
The transport conditions in rock core in stratum, the stratum of the HTHP under real conditions at rock core can not be simulated exactly
Environmental characteristic, and then cause the degree of accuracy of data that measures poor.In addition, due also to the process simulated in existing method and detection
Process be carried out separately mostly, generally require first to be simulated will be obtained again after simulation core sample take out after carry out phase again
The detection answered, process is cumbersome, and efficiency of the practice is low.Moreover, when specifically detecting, existing detection method is limited to, often can only be right
The distribution situation of object carries out general metering and calculating, can not obtain more accurate distribution parameter.In summary,
When it is implemented, the migration state poor accuracy of object in detection rock core, operation often be present in existing rock core detection method
Technical problem cumbersome, detection efficiency is low.
In view of the above-mentioned problems, not yet propose effective solution at present.
The content of the invention
The application embodiment provides one kind and is used for HTHP Natural Gas Migration And Accumulation visual detection device and method, with
Solve the migration state poor accuracy that object in rock core is detected present in existing rock core detection method, cumbersome, inspection
Survey the low technical problem of efficiency.
The application embodiment provides one kind and is used for HTHP Natural Gas Migration And Accumulation visual detection device, described device
Including：First air accumulator, the first container, core holding unit, magnetic nuclear resonance analyzer, hot tank circulating pump, ring pressure tracking pump, gas
Booster pump, constant pressure and flow pump, wherein,
The core holding unit is used to hold core sample, and the arrival end of the core holding unit is provided with two branch roads：The
One branch road, the second branch road, wherein, the tie point is provided with first air accumulator, and second branch road is provided with described first
Container；
The gas boosting pump is arranged in the tie point between first air accumulator and the core holding unit, is used
In the pressure for adjusting the gas entered by the tie point in the core holding unit；The constant pressure and flow pump is arranged on institute
State on the second branch road, the pressure of gas or liquid in the core holding unit is entered by second branch road for adjusting；
The hot tank circulating pump and ring pressure tracking pump are connected with the core holding unit, wherein, the hot tank circulation
Pump is used to provide preset temperature for the core holding unit, and the ring pressure tracking pump, which is used to provide for the core holding unit, to be preset
Pressure；
The core holding unit is to be placed in the magnetic nuclear resonance analyzer without magnetic core holding unit, the core holding unit
In, the magnetic nuclear resonance analyzer is used for the distribution parameter for obtaining object in the core sample, wherein, the target
Thing includes at least one of：Water, gas, oil.
In one embodiment, it is provided with the tie point between the gas boosting pump and the core holding unit
Vavuum pump.
In one embodiment, second is provided with the tie point between the gas boosting pump and the vavuum pump
Air accumulator, wherein, second air accumulator is used for the stable gas entered by the tie point in the core holding unit
Pressure.
In one embodiment, the port of export of the core holding unit is connected with second container, and the second container is set
Put on electronic balance, wherein, the second container is used for the liquid for collecting discharge, and the electronic balance is used to determine the row
The quality of the liquid gone out.
In one embodiment, back-pressure valve and back pressure increasing apparatus are disposed with the second container.
In one embodiment, gas flowmeter is additionally provided with the second container, for determining the gas discharged
Flow.
In one embodiment, the gas flowmeter is connected with full constituent gas chromatographicanalyzer, for determining to discharge
Gas composition composition.
In one embodiment, the tie point and second route polyetheretherketonematerials materials are made.
In one embodiment, described device also includes processor, the processor and the magnetic nuclear resonance analyzer
It is connected, the processor is used for the state parameter according to object in the core sample, determines object in core sample
Migration state.
The application is used for HTHP Natural Gas Migration And Accumulation Visual retrieval embodiment further provides a kind of by described
Device, the method for detecting the distribution parameter of gas in rock core in the case of gas drive water, including：
Obtain the core sample of formation at target locations；
The core sample is pre-processed, pretreated core sample is placed in core holding unit；
By adjusting constant pressure and flow pump, through being filled with water in core holding unit described in second road direction to described pretreated
Core sample saturation；
The temperature of regulation hot tank circulating pump to the core holding unit reaches preset temperature；Regulation ring pressure tracking pump is to described
The pressure of core holding unit reaches preset pressure；
By adjusting gas boosting pump so that the natural gas in the first air accumulator is clamped with specified pressure into the rock core
In device；
By magnetic nuclear resonance analyzer, the distribution parameter of natural gas in the core sample is obtained.
In one embodiment, after the distribution parameter of natural gas in obtaining the core sample, methods described
Also include：
The distribution parameter of natural gas in the core sample, determine oozing for natural gas in the formation at target locations
Flow mechanism；
According to the seepage flow mechanism of the natural gas, exploration and development is carried out to the natural gas pool of the formation at target locations.
The application is used for HTHP Natural Gas Migration And Accumulation Visual retrieval embodiment further provides a kind of by described
Device, the method for detecting distribution parameter oily in rock core in the case of oily expelling water, including：
Obtain the core sample of formation at target locations；
The core sample is pre-processed, pretreated core sample is placed in core holding unit；
The temperature of regulation hot tank circulating pump to the core holding unit reaches preset temperature；Regulation ring pressure tracking pump is to described
The pressure of core holding unit reaches preset pressure；
By adjusting constant pressure and flow pump, through being filled with water in core holding unit described in second road direction to described pretreated
Core sample saturation；
By adjusting constant pressure and flow pump, through being filled with oil in core holding unit described in second road direction；
By magnetic nuclear resonance analyzer, the distribution parameter of the core sample petrochina is obtained.
In one embodiment, after the distribution parameter of the core sample petrochina is obtained, methods described is also
Including：
According to the distribution parameter of the core sample petrochina, the Cheng Zangji of oil reservoir in the formation at target locations is determined
Reason；
According to the reservoiring mechanism of the oil reservoir, exploration and development is carried out to the oil reservoir of the formation at target locations.
The application is used for HTHP Natural Gas Migration And Accumulation Visual retrieval embodiment further provides a kind of by described
Device, the method for detecting the distribution parameter of rock core reclaimed water in the case of water drive oil or water drive gas, including：
Obtain the core sample of formation at target locations；
The core sample is pre-processed, pretreated core sample is placed in core holding unit；
The temperature of regulation hot tank circulating pump to the core holding unit reaches preset temperature；Regulation ring pressure tracking pump is to described
The pressure of core holding unit reaches preset pressure；
By adjusting constant pressure and flow pump, water is filled with into the core holding unit；
By magnetic nuclear resonance analyzer, the distribution parameter of the core sample reclaimed water is obtained.
In one embodiment, after the distribution parameter of the core sample reclaimed water is obtained, methods described is also wrapped
Include：
According to the distribution parameter of the core sample reclaimed water, the oil or natural gas in the formation at target locations are exploited.
In the application embodiment, by using hot tank circulating pump, ring pressure tracking pump, gas boosting pump, constant pressure and flow
Pump is with the environmental characteristic of simulated formation mesohigh high temperature exactly, further through magnetic nuclear resonance analyzer while simulation, in real time
The distribution parameter of object in the higher rock core of precision is obtained, so as to solve present in existing rock core detection method
The migration state poor accuracy of object in rock core is detected, the technical problem cumbersome, detection efficiency is low, is reached on simulation ground
The technique effect of the distribution parameter of object in core sample in real time, is accurately and efficiently determined while layer environment.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in application, for those of ordinary skill in the art, do not paying the premise of creative labor
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the group for HTHP Natural Gas Migration And Accumulation visual detection device provided according to the application embodiment
Into structure chart；
Fig. 2 is to be used for according to what the application embodiment provided in HTHP Natural Gas Migration And Accumulation visual detection device
The structural representation of core holding unit；
Fig. 3 is that the HTHP Natural Gas Migration And Accumulation visual detection device that is used for provided using the application embodiment detects
In the case of gas drive water in rock core the distribution parameter of gas schematic flow sheet；
Fig. 4 is that the HTHP Natural Gas Migration And Accumulation visual detection device that is used for provided using the application embodiment detects
The schematic flow sheet of distribution parameter oily in rock core in the case of oily expelling water；
Fig. 5 is that the HTHP Natural Gas Migration And Accumulation visual detection device that is used for provided using the application embodiment detects
The schematic flow sheet of the distribution parameter of rock core reclaimed water in the case of water drive oil or water drive gas；
Fig. 6 be in a Sample Scenario using the application embodiment provide can for HTHP Natural Gas Migration And Accumulation
Tight sand nuclear magnetic resonance T under the different displacement pressures obtained depending on changing detection means/method2Spectral structure figure；
Fig. 7 be in a Sample Scenario using the application embodiment provide can for HTHP Natural Gas Migration And Accumulation
Methane saturation degree component map under the different displacement pressures obtained depending on changing detection means/method in tight sand different pore size；
Fig. 8 be in a Sample Scenario using the application embodiment provide can for HTHP Natural Gas Migration And Accumulation
Fluid imaging effect figure (get in image by color in tight sand under the different displacement pressure differences obtained depending on changing detection means/method
It is deep, it is higher to represent its water content).
Brief description of the drawings：
1st, the first air accumulator, 2, gas boosting pump, the 3, second air accumulator, 4, vavuum pump, 5, core holding unit, 6, constant pressure and constant
Flow pump, the 7, first container, 8, hot tank circulating pump, 9, ring pressure tracking pump, 10, second container, 11, electronic balance, 12, back-pressure valve,
13rd, back pressure increasing apparatus, 14, gas flowmeter, 15, full constituent gas chromatographic analysis instrument, 16, magnetic nuclear resonance analyzer, 17, place
Device is managed, 18,19,20 be respectively pressure gauge, and V1, V2, V3, V4, V5, V6, V7, V8 are respectively control valve.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the application, it is real below in conjunction with the application
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described implementation
Example only some embodiments of the present application, rather than whole embodiments.It is common based on the embodiment in the application, this area
The every other embodiment that technical staff is obtained under the premise of creative work is not made, it should all belong to the application protection
Scope.
In view of existing rock core detection means, due to being to first pass through One-dimensional simulation under normal temperature condition to simulate ground mostly
Layer environment, recycle the distribution situation of object in core sample under conventional detection means statistics ground environment.Lead to not standard
True simulation goes out the environmental characteristic of real stratum high temperature high pressure, and can not be detected in real time while simulation in core sample
The migration situation of object, and then cause existing rock core detection method when it is implemented, target in detection rock core often be present
The migration state poor accuracy of thing, the technical problem cumbersome, detection efficiency is low.For producing the basic of above-mentioned technical problem
Reason, the application, which considers to design, sets one group of device to simulate the environment of true stratum high temperature high pressure spy exactly
Sign, while NMR is introduced, joined with detecting the distribution of object in core sample in simulation process in real time, exactly
Number.So as to solve that the migration state poor accuracy of object in rock core, operation are detected present in existing rock core detection method
Technical problem cumbersome, detection efficiency is low, reach while simulated formation environment in real time, accurately and efficiently determine core sample
The technique effect of the distribution parameter of object in product.
Accordingly, the implementation process of existing method is made a concrete analysis of, physical analogy is carried out by nuclear magnetic resonance technique
Experiment, be essentially all the exploitation simulated experiment for reservoir crude oil, still not being directed to natural gas accumulation, especially natural gas
The process of Enrichment And Reservoiring carries out simulated experiment.Because Cheng Zangyu exploitations are reverse processes, and natural gas and oil is physical
Relatively big difference be present in matter, can not simply based on crude exploitation physical simulation experiment, obtain the physical analogy of natural gas accumulation
Experiment.Also, due to there is proton in natural gas, it is difficult in existing method simply by nuclear magnetic resonance means with oil and water are entered
Row is accurately distinguished.And existing method is when it is implemented, mostly using carbon dioxide or nitrogen simulation recovery process, and useless
The forming process of actual gas reservoir is simulated using actual natural gas, therefore existing method can not be obtained accurately in core sample
The distribution parameter of object, can not also Visual retrieval in real time be carried out to HTHP Natural Gas Migration And Accumulation situation.
Based on above-mentioned analysing content, the application embodiment provides a kind of HTHP Natural Gas Migration And Accumulation that is used for and visualized
Detection means.Referring specifically to the composition structure chart of Fig. 1 rock core detection means provided according to the application embodiment.This Shen
Please embodiment provide one kind be used for HTHP Natural Gas Migration And Accumulation visual detection device, can specifically include：First storage
Gas tank 1, the first container 7, core holding unit 5, magnetic nuclear resonance analyzer 16, hot tank circulating pump 8, ring pressure tracking pump 9, gas boosting
Pump 2, constant pressure and flow pump 6, wherein,
The core holding unit 5 is used to hold core sample, and the arrival end of the core holding unit 5 is provided with two branch roads：
Tie point, the second branch road, wherein, the tie point is provided with first air accumulator 1, and second branch road is provided with described the
One container 7；
The gas boosting pump 2 is arranged on the tie point between first air accumulator 1 and the core holding unit 5
On, for adjusting the pressure of the gas entered by the tie point in the core holding unit 5；The constant pressure and flow pump 6
It is arranged on second branch road, gas or liquid in the core holding unit 5 is entered by second branch road for adjusting
Pressure；
The hot tank circulating pump 8 and ring pressure tracking pump 9 are connected with the core holding unit 5, wherein, the hot tank is followed
Ring pump 8 is used to provide preset temperature for the core holding unit 5, and the ring pressure tracking pump 9 is used to carry for the core holding unit 5
For preset pressure；
The core holding unit 5 is to be placed in the magnetic nuclear resonance analyzer without magnetic core holding unit, the core holding unit 5
In 16, the magnetic nuclear resonance analyzer 16 is used for the distribution parameter for obtaining object in the core sample, wherein, it is described
Object includes at least one of：Water, gas, oil.
In the present embodiment, the object can be specifically water or gas, can also be oil.Wherein, institute
It can be specifically single-component gas to state gas, such as methane, nitrogen or the gas containing various ingredients, for example, containing
C1-C4The natural gas of component.When it is implemented, phase can be chosen according to the concrete condition and construction requirement of Gas Reservoir in stratum
The one-component gas or various ingredients gas answered are as above-mentioned gas.The oil can be specifically oil.Certainly, it is necessary to illustrate
, above-mentioned cited object is intended merely to that the application embodiment is better described, when it is implemented, can also basis
Concrete condition and construction requirement, other corresponding materials are selected as the object.
In the present embodiment, for reservoir of oil and gas under simulated formation and fluid pressure caused by country rock storage and collection performance difference
Power is poor, and back-pressure valve 12 and back pressure increasing apparatus 13 are also sequentially provided with the port of export of the core holding unit 5.By adjusting back pressure
Valve 12 and back pressure increasing apparatus 13 can set experiment back pressure value, and under the conditions of combination actual formation between hydrocarbon source rock and reservoir
Pressure difference, pass through control valve V2 and back-pressure valve 12 and adjust the gas charge pressure differential set needed for simulated experiment.
In the present embodiment, in order to reduce the interference to NMR 16, the tie point and the second branch road have
Body can be the airway tube made of non-magnetic material.Wherein, above-mentioned non-magnetic material can be specifically polyether-ether-ketone (poly-
Ether-ether-ketone, PEEK).Above-mentioned material is specifically the weight containing a ketonic bond and two ehter bonds in backbone structure
The high polymer that multiple unit is formed, is a kind of speciality polymer material, has high temperature resistant, chemical resistance corrosion, nonmagnetic etc.
Physical and chemical performance, it is a kind of hypocrystalline high polymer material.
In the present embodiment, filled in order to better control over the above-mentioned HTHP Natural Gas Migration And Accumulation Visual retrieval that is used for
Put, more easily adjust the gas being filled with, water or the oil of coring device, in the tie point and second branch road also
Provided with multigroup control valve and pressure gauge.In this way, it can be obtained by pressure gauge some in above-mentioned tie point and the second branch road
The pressure value of key node；Further according to pressure value, by adjusting the control valve on branch road to the gas that is filled with by above-mentioned branch road
The flow of body, water or oil is controlled accordingly, to allow to meet specific testing requirements.
In the present embodiment, in order to which the distribution for the object that can be gathered according to nuclear magnetic resonance spectroscopy 16 is joined
Processing is further analyzed, and the magnetic nuclear resonance analyzer 16 is also connected with processor 17 in data by number.Wherein, above-mentioned place
Reason device 17 can be specifically computer or the intelligent electronic device with data-handling capacity.When it is implemented, processing
Device 17 can determine the migration state of object according to the distribution parameter of object.Further according to the migration state point of object
Analyse corresponding mechanism or process in formation at target locations, for example, in formation at target locations in the seepage flow mechanism of natural gas, formation at target locations oil reservoir into
Mechanism is hidden, the implementation process of formation at target locations petrochina is exploited by water drive oil, natural gas in formation at target locations is exploited by water drive gas
Implementation process.So as to according to corresponding mechanism or process in above-mentioned formation at target locations, specifically be constructed, for example, to mesh
The natural gas pool for marking stratum carries out exploration and development, the oil reservoir of formation at target locations carries out exploration and development, to the natural gas in formation at target locations
Specifically exploit or the oil in formation at target locations is specifically exploited.
In the present embodiment, in order to easily collect the liquid excluded by core holding unit 5, when it is implemented,
Second container 10 can be provided with the port of export of core holding unit 5, to collect the liquid of discharge.
In the present embodiment, in order to further analyze the amount of discharge liquid, can be set in the bottom of second container 10
Electronic balance 11, for detecting the quality of discharge liquid in real time, so as to more accurately analyze object in core sample
Migration state.
In the present embodiment, in order to further analyze the concrete condition for the gas discharged by core holding unit 5, specifically
During implementation, gas flowmeter 14 can be connected in the port of export of second container 10, to the gas flow of detection discharge in real time.
In the present embodiment, in order to be made a concrete analysis of to the multicomponent gas composition of discharge, in the gas flow
The other end of meter 14 is connected with full constituent gas chromatographicanalyzer 15, and the concrete composition composition of gas is discharged to analysis in real time, with
Can be more accurately to analyze the migration state that gas with various forms in object in core sample.
In the present embodiment, can be first in the distribution parameter of the object in the case of detecting gas drive water
Under test gas is stored in air accumulator 1, wherein, under test gas can be specifically single-component gas, or multi-component natural gas.
When it is implemented, the core sample of the target area of acquisition can be positioned in core holding unit 5.Pass through hot tank circulating pump 8
Core holding unit 5 is heated, presses tracking pump 9 to pressurize core holding unit 5 by ring so that in core holding unit 5
Core sample residing for environment temperature reach and stably in preset temperature, residing environmental pressure reaches and stably in default pressure
Power, to simulate the environmental characteristic of real ground environment high temperature high pressure.Specifically, for example, in order to which Study In Reservoir high temperature is high
Natural Gas Enrichment Filling process is pressed, preset pressure 70MPa can be set in, preset temperature is set in 170 DEG C.Need to illustrate
, above-mentioned preset temperature and preset pressure can specifically determine according to the situation on the objective area stratum studied.First holds
Be stored with processing gas in device 7, wherein the processing gas can be with test gas identical gas or with it is to be measured
The different gas of gas.Processing gas can be filled with into core holding unit 5 by adjusting constant pressure and flow pump 6, to core sample
Reach saturation.In the case of core sample saturation, by gas boosting pump 2, the first air accumulator is filled with into core holding unit 5
Under test gas in 1.Because core holding unit 5 is placed in magnetic nuclear resonance analyzer 16, and the core holding unit is without magnetic
Core holding unit, work that will not be to magnetic nuclear resonance analyzer produce interference.In this way, can be real-time by magnetic nuclear resonance analyzer
The semaphore of hydrogen is detected, to obtain the distribution parameter of under test gas in core sample in real time.Meanwhile as the case may be and
Construction requirement, distributed constant, the core sample for obtaining core sample reclaimed water can also be detected in real time by magnetic nuclear resonance analyzer 16
The other specification data such as the size in aperture in product.And then can be by processor, such as computer, according to the distribution of under test gas
State parameter, the other specification data such as the size in aperture, determine gas in the distributed constant, core sample with reference to core sample reclaimed water
In the case of expelling water in core sample under test gas transport conditions.According to the transport conditions of under test gas, may further determine that
The seepage flow mechanism of under test gas in formation at target locations.And then can be according to the seepage flow mechanism of under test gas in formation at target locations, to target
Under test gas gas reservoir carries out specific exploration and development in stratum.
In the present embodiment, can be first in the distribution parameter of the object in the case of detecting oily expelling water
Oil is stored in container.When it is implemented, the core sample of the formation at target locations of acquisition can be placed in core holding unit 5.It is logical
Superheated header circulating pump 8 heats to core holding unit 5, presses tracking pump 9 to pressurize core holding unit 5 by ring so that
For high-temp liquid under ring pressure pressure, band is pressed in rock core surrounding loop so that the environment residing for core sample in core holding unit 5
Temperature reaches and stably in preset temperature, and residing environmental pressure reaches and stably in preset pressure, to simulate real stratum
The environmental characteristic of environment high temperature high pressure.It should be noted that above-mentioned preset temperature and preset pressure specifically can be according to being ground
The situation on the objective area stratum studied carefully determines, and the liquid of circulation is fluorination liquid in circulating pump, can prevent from using other liquid
Hydrogen ion is caused to produce signal and influence experimental result.By adjusting constant pressure and flow pump 6, oil is filled with into core holding unit 5.
The semaphore of hydrogen is detected in real time by magnetic nuclear resonance analyzer 16, to obtain the distribution of core sample petrochina ginseng in real time
Number.Meanwhile as the case may be and construction requirement, acquisition core sample can also be detected in real time by magnetic nuclear resonance analyzer 16
The other specification data such as the size in aperture in the distributed constant of reclaimed water, core sample.And then can be by processor, such as calculate
Machine, according to the distribution parameter of oil, in the distributed constant, core sample with reference to core sample reclaimed water the size in aperture etc. its
His supplemental characteristic, it is determined that in the case of oily expelling water core sample petrochina transport conditions.According to the transport conditions of oil, Ke Yijin
One step determines the reservoiring mechanism of oil reservoir in formation at target locations.And then can be according to the reservoiring mechanism of oil reservoir in formation at target locations, to target
Oil reservoir carries out specific exploration and development in stratum.
In the present embodiment, can be first in the distribution parameter of the object in the case of detecting water drive oil
Water is stored in container.When it is implemented, the core sample of the formation at target locations of acquisition can be placed in core holding unit 5.Pass through
Hot tank circulating pump 8 heats to core holding unit 5, presses tracking pump 9 to pressurize core holding unit 5 by ring so that rock
The environment temperature residing for core sample in heart clamp holder 5 reaches and stably reached simultaneously in preset temperature, residing environmental pressure
It is stable in preset pressure, to simulate the environmental characteristic of real ground environment high temperature high pressure.By adjusting constant pressure and flow pump 6,
Water is filled with into core holding unit 5.The semaphore of hydrogen is detected in real time by magnetic nuclear resonance analyzer 16, to obtain core sample in real time
The distribution parameter of product reclaimed water.Meanwhile as the case may be and construction requirement, can also be real by magnetic nuclear resonance analyzer 16
When detection obtain the other specification data such as the size in aperture in the distribution parameter of core sample petrochina, core sample.Enter
And can be by processor, such as computer, according to the distribution parameter of water, with reference to the distribution of core sample petrochina
The other specification data such as the size in aperture in parameter, core sample, determine migration feelings oily in core sample in the case of water drive oil
Condition.According to the transport conditions of oil, the implementation process of water drive oil in formation at target locations may further determine that.And then can be according to water drive
The implementation process of oil, corresponding recovery scheme is formulated to the oil in formation at target locations.
In the present embodiment, can be first in the distribution parameter of the object in the case of detecting water drive gas
Water is stored in container.When it is implemented, the core sample of the formation at target locations of acquisition can be placed in core holding unit 5.Pass through
Hot tank circulating pump 8 heats to core holding unit 5, presses tracking pump 9 to pressurize core holding unit 5 by ring so that rock
The environment temperature residing for core sample in heart clamp holder 5 reaches and stably reached simultaneously in preset temperature, residing environmental pressure
It is stable in preset pressure, to simulate the environmental characteristic of real ground environment high temperature high pressure.By adjusting constant pressure and flow pump 6,
Water is filled with into core holding unit 5.The semaphore of hydrogen is detected in real time by magnetic nuclear resonance analyzer 16, to obtain core sample in real time
The distribution parameter of product reclaimed water.Meanwhile as the case may be and construction requirement, can also be real by magnetic nuclear resonance analyzer 16
When detection obtain in core sample the other specification data such as the size in aperture in the distribution parameter of natural gas, core sample.
And then can be by processor, such as computer, according to the distribution parameter of water, with reference to the distribution of natural gas in core sample
The other specification data such as the size in aperture in state parameter, core sample, determine the fortune of gas in core sample in the case of water drive gas
Shift one's love condition.According to the transport conditions of gas, the implementation process of formation at target locations reclaimed water purging may further determine that.And then can basis
The implementation process of water drive gas, corresponding recovery scheme is formulated to the natural gas in formation at target locations.
In the embodiment of the present application, compared to existing rock core detection means, by using hot tank circulating pump, ring pressure tracking
Pump, gas boosting pump, constant pressure and flow pump are with the environmental characteristic of simulated formation mesohigh high temperature exactly, further through nuclear magnetic resonance point
Analyzer obtains the distribution parameter of object in the higher rock core of precision in real time while simulation, existing so as to solve
Rock core detection method present in detect the migration state poor accuracy of object in rock core, it is cumbersome, detection efficiency is low
Technical problem, reach while simulated formation environment real-time online, accurately and efficiently determine object in core sample
The technique effect of distribution parameter.
In one embodiment, in order to more accurately detect the distribution parameter of object, also for preferably adjusting
It is whole above-mentioned for integral pressure in HTHP Natural Gas Migration And Accumulation visual detection device, when it is implemented, can be in the gas
Tie point between body booster pump 2 and the core holding unit 5 is provided with vavuum pump 4.For before specific detection, to rock core
Clamper 5 is vacuumized.
In one embodiment, in order to stablize the pressure in tie point.When it is implemented, it can increase in the gas
Tie point between press pump 2 and the vavuum pump 4 is provided with the second air accumulator 3.When it is implemented, passing through gas boosting pump
During 2 are filled with the under test gas in the first air accumulator 1 into core holding unit 5, above-mentioned second air accumulator 3 can cache
Under test gas in one branch road.Treated in this way, can reach stable by the tie point into the core holding unit 5
Survey the pressure of gas so that the under test gas in tie point is filled with core holding unit 5 with stable pressure and stable flow
In.
In one embodiment, collect for convenience in detection process, the liquid discharged by core holding unit 5, institute
The port of export for stating core holding unit 5 is connected with second container 10.In order to facilitate the amount of detection discharge liquid, preferably to analyze rock
The transport conditions of object in heart sample, the second container 10 can be specifically arranged on electronic balance 11.It is in this way, specific real
Shi Shi, the liquid of discharge can be collected by the second container 10, pass through discharge described in the real time measure of electronic balance 11
Liquid quality.
In one embodiment, in order to preferably adjust the gas pressure in above-mentioned detection device, when it is implemented, institute
Back-pressure valve 12 and back pressure increasing apparatus 13 can be disposed with by stating on second container 10.In this way, can be by controlling back-pressure valve
12 and back pressure increasing apparatus 13, adjust for pressure in HTHP Natural Gas Migration And Accumulation visual detection device, so as to preferably
Reservoir heterogeneity condition in simulated formation.
In one embodiment, in order to determine the gas flow discharged by core holding unit 5 in real time, described the
10 are additionally provided with gas flowmeter 14 on two containers, the flow of the gas for determining discharge.
In one embodiment, in order to detect the concrete composition composition of the natural gas of discharge in real time, so as to more preferable
The transport conditions of natural gas different component in object in core sample are analyzed on ground, and the gas flowmeter 14 can also be connected with entirely
Component gas phase chromatograph 15.By the full constituent gas chromatograph 15, it can obtain and determine different displacement pressures
The relative composition change of lower discharge gas.
In one embodiment, in order to reduce the interference to magnetic nuclear resonance analyzer 16, the tie point and described
The airway tube of second branch road can be specifically made of polyetheretherketonematerials materials.Wherein, polyetheretherketonematerials materials are one kind without magnetic material
Material, work that will not be to magnetic nuclear resonance analyzer 16 produce interference.Certainly, it is necessary to illustrate, when it is implemented, can also root
Other non-magnetic materials are selected to make the airway tube of tie point and the second branch road according to concrete condition.On the other hand, the application does not make
Limit.
In one embodiment, in order to which the distribution for the object that can be gathered according to nuclear magnetic resonance spectroscopy 16 is joined
Processing is further analyzed, and the magnetic nuclear resonance analyzer 16 is also connected with processor 17 in data by number.Wherein, above-mentioned place
Reason device 17 can be specifically computer or the intelligent electronic device with data-handling capacity.When it is implemented, processing
Device 17 can determine the migration state of object according to the distribution parameter of object.Further according to the migration state point of object
Analyse corresponding mechanism or process in formation at target locations, for example, in formation at target locations in the seepage flow mechanism of natural gas, formation at target locations oil reservoir into
Mechanism is hidden, the implementation process of formation at target locations petrochina is exploited by water drive oil, natural gas in formation at target locations is exploited by water drive gas
Implementation process.So as to according to corresponding mechanism or process in above-mentioned formation at target locations, specifically be constructed, for example, to mesh
Mark natural in the natural gas pool progress exploration and development on stratum, the oil reservoir progress exploration and development of formation at target locations, the stratum that sets objectives
The specific recovery scheme of oil in gas or formation at target locations.
In the present embodiment, when it is implemented, distribution that can also be by above-mentioned processor 17 according to object
Parameter generates the real-time detection image of the migration state on object, wherein, it is above-mentioned that detection image can be clearly anti-in real time
It should go out in the ground environment (for example, environment of HTHP) of simulation, the fortune at object (for example, natural gas) each time point is gathered
Situation, and then contribute to further data analysis, processing, to determine specific reservoiring mechanism in formation at target locations, for example, reservoir
The Enrichment And Reservoiring mechanism of middle natural gas, so as to follow-up exploration, exploitation.
In one embodiment, it is used for HTHP Natural Gas Migration And Accumulation visual detection device in order to better control over
Implementation, when it is implemented, can be in some specified locations for HTHP Natural Gas Migration And Accumulation visual detection device
Control valve and pressure gauge are set, in order to adjust gas, oil, the specific flow of water and pressure in control core holding unit.Tool
Body, Fig. 1 can be referred to.In certain several specified location difference for HTHP Natural Gas Migration And Accumulation visual detection device
Control valve V1, V2, V4, V5, V6, V7, V8 and pressure gauge 18,19,20 are set.In this way, can by pressure gauge 18,19,
20 obtain the pressure data for specified location in HTHP Natural Gas Migration And Accumulation visual detection device.Further according to specified location
Pressure data, by control valve V1, V2, V4, V5, V6, V7, V8, examined to being visualized for HTHP Natural Gas Migration And Accumulation
Gas, oil, the specific flow of water and the pressure for surveying device are accordingly controlled, to allow to rock core in preferably simulated formation
Residing environment, relatively accurately analyze the transport conditions of object in core sample.
In one embodiment, in order to preferably coordinate hot tank circulating pump 8 and ring to press tracking pump 9, with exactly
The geological environment of simulated formation mesohigh high temperature.The core holding unit 5 can be specifically the core holding unit after improving.Specifically
It can be used for refering to Fig. 2 according to what the application embodiment provided in HTHP Natural Gas Migration And Accumulation visual detection device
The structural representation of core holding unit.From the inside outer wall of the core holding unit 5 to rock core direction, be sequentially provided with circulation fluid and
Heat-shrink tube.When it is implemented, first heat-shrink tube parcel rock core is put into core holding unit 5, recycling is connected with core holding unit 5
Hot tank circulating pump 8 and ring pressure tracking pump 9, high temperature circulation liquid band is pressed in rock core surrounding loop, carry for the core holding unit 5
For preset temperature and preset pressure, with the environment of HTHP of the simulation core in formation at target locations.
In the present embodiment, it is also necessary to which supplement, it is visual that what the application provided is used for HTHP Natural Gas Migration And Accumulation
Change detection means, will be vacuumized by said structure during specific implementation, saturation, displacement, nuclear-magnetism detect the work(such as gentle component detection
One can be combined in, and then the dynamic process that gas is enriched with rock core can be simulated；And its internal holes is shown with image format
Gap and gas distribution；The distribution and migration of natural gas inside rock core can be detected in real time simultaneously；In addition, without taking out sample
In the case of, complete from Preparatory work of experiment to displacement to the overall process of imaging.It is thereby achieved that to HTHP Natural Gas Migration And Accumulation feelings
The real-time visual detection of condition.
As can be seen from the above description, what the application embodiment provided can for HTHP Natural Gas Migration And Accumulation
Depending on changing detection means.By using hot tank circulating pump, ring pressure tracking pump, gas boosting pump, constant pressure and flow pump with accurate simulation
The environmental characteristic of stratum mesohigh high temperature, further through magnetic nuclear resonance analyzer while simulation, it is higher that precision is obtained in real time
The distribution parameter of object in rock core, target in rock core is detected present in existing rock core detection method so as to solve
The migration state poor accuracy of thing, it is cumbersome, detection efficiency is low, it is impossible to the migration state of object in on-line checking rock core
Technical problem, reach the distribution shape that object in core sample in real time, is accurately and efficiently determined while simulated formation environment
The technique effect of state parameter；Further through the non-magnetic core holding unit of use so that can be directly using NMR to rock
The distribution parameter of object is detected in real time in heart sample；Also by using tie point made of non-magnetic material and
Two branch roads, reduce the interference to magnetic nuclear resonance analyzer, reduce detection error.
It is used for HTHP Natural Gas Migration And Accumulation visual detection device for above-mentioned, in order to detect rock in the case of gas drive water
The distribution parameter of gas in heart sample, when it is implemented, can be used for refering to Fig. 3 using what the application embodiment provided
In the case of HTHP Natural Gas Migration And Accumulation visual detection device detection gas drive water in rock core the distribution parameter of gas flow
Schematic diagram, according to the real ground environment condition residing for following steps simulation core, and detection determines rock under the environment in real time
The distribution parameter of natural gas in the heart.
Step S301：Obtain the core sample of formation at target locations.
Step S302：The core sample is pre-processed, pretreated core sample is placed in core holding unit
In.
Step S303：By adjusting constant pressure and flow pump, through being filled with water in core holding unit described in second road direction to described
Pretreated core sample saturation.
Step S304：The temperature of regulation hot tank circulating pump to the core holding unit reaches preset temperature；Regulation ring pressure with
The pressure of track pump to the core holding unit reaches preset pressure.
Step S305：By adjusting gas boosting pump so that the natural gas in the first air accumulator enters institute with specified pressure
State in core holding unit.
Step S306：By magnetic nuclear resonance analyzer, the distribution parameter of natural gas in the core sample is obtained.
In the present embodiment, it is necessary to which explanation is can to obtain natural gas in core sample by magnetic nuclear resonance analyzer
Distribution parameter, while can also detect obtain core sample in aperture size, the distribution of core sample reclaimed water
Parameter etc..
In one embodiment, after the distribution parameter of natural gas in obtaining the core sample, in order to mesh
The gas reservoir marked in stratum carries out exploration and development, and methods described can also specifically comprise the following steps.
Step S307：The distribution parameter of natural gas in the core sample, is determined in the formation at target locations
The seepage flow mechanism of natural gas.
In the present embodiment, when it is implemented, can be according to the distributed constant of the natural gas in core sample, with reference to rock
Natural gas in formation at target locations is determined in distribution parameter of aperture size, core sample reclaimed water in heart sample etc., analysis
Seepage flow mechanism.
Step S308：According to the seepage flow mechanism of the natural gas, exploration is carried out to the natural gas pool of the formation at target locations and opened
Hair.
It is used for HTHP Natural Gas Migration And Accumulation visual detection device for above-mentioned, in order to detect rock in the case of oily expelling water
Oily distribution parameter in heart sample, when it is implemented, can be used for refering to Fig. 4 using what the application embodiment provided
The flow of distribution parameter oily in rock core in the case of the oily expelling water of HTHP Natural Gas Migration And Accumulation visual detection device detection
Schematic diagram, according to the real ground environment condition residing for following steps simulation core, and detection determines rock under the environment in real time
The distribution parameter of oil in the heart.
Step S401：Obtain the core sample of formation at target locations.
Step S402：The core sample is pre-processed, pretreated core sample is placed in core holding unit
In.
Step S403：The temperature of regulation hot tank circulating pump to the core holding unit reaches preset temperature；Regulation ring pressure with
The pressure of track pump to the core holding unit reaches preset pressure.
Step S404：By adjusting constant pressure and flow pump, through being filled with water in core holding unit described in second road direction to described
Pretreated core sample saturation.
Step S405：By adjusting constant pressure and flow pump, through being filled with oil in core holding unit described in second road direction.
Step S406：By magnetic nuclear resonance analyzer, the distribution parameter of the core sample petrochina is obtained.
In the present embodiment, it is necessary to which explanation is can to obtain core sample petrochina by magnetic nuclear resonance analyzer
Distribution parameter, while the aperture size obtained in core sample, the distribution of core sample reclaimed water ginseng can also be detected
Number etc..
In one embodiment, after the distribution parameter of the core sample petrochina is obtained, in order to target
Oil reservoir carries out exploration and development in stratum, and methods described can also specifically comprise the following steps.
Step S407：According to the distribution parameter of the core sample petrochina, oil reservoir in the formation at target locations is determined
Reservoiring mechanism.
In the present embodiment, when it is implemented, can be according to the distribution parameter of core sample petrochina, with reference to rock
Distribution parameter of aperture size, core sample reclaimed water in heart sample etc., analysis determine formation at target locations in oil reservoir into
Hide mechanism.
Step S408：According to the reservoiring mechanism of the oil reservoir, exploration and development is carried out to the oil reservoir of the formation at target locations.
It is used for HTHP Natural Gas Migration And Accumulation visual detection device for above-mentioned, in order to detect water drive oil or water drive
The distribution parameter of core sample reclaimed water in the case of gas, when it is implemented, Fig. 5 application the application embodiment can be referred to
The rock core reclaimed water in the case of being used for HTHP Natural Gas Migration And Accumulation visual detection device detection water drive oil or water drive gas provided
The schematic flow sheet of distribution parameter, according to the real ground environment condition residing for following steps simulation core, and in real time
Determine the distribution parameter of rock core reclaimed water under the environment.
Step S501：Obtain the core sample of formation at target locations.
Step S502：The core sample is pre-processed, pretreated core sample is placed in core holding unit
In.
Step S503：The temperature of regulation hot tank circulating pump to the core holding unit reaches preset temperature；Regulation ring pressure with
The pressure of track pump to the core holding unit reaches preset pressure.
Step S504：By adjusting constant pressure and flow pump, water is filled with into the core holding unit.
Step S505：By magnetic nuclear resonance analyzer, the distribution parameter of the core sample reclaimed water is obtained.
In the present embodiment, it is necessary to which explanation is point that core sample reclaimed water can be obtained by magnetic nuclear resonance analyzer
Cloth state parameter, while the aperture size obtained in core sample, the distribution of core sample petrochina ginseng can also be detected
Distribution parameter of natural gas etc. in number, core sample.
In one embodiment, after the distribution parameter of the core sample reclaimed water is obtained, in order to can be to mesh
Oil or Gas Exploitation in mark stratum can also specifically be wrapped with specific oil-gas mining, methods described is carried out the methods of water flooding
Include following steps.
Step S506：According to the distribution parameter of the core sample reclaimed water, the oil in the formation at target locations is exploited
Or natural gas.
In the present embodiment, when it is implemented, can according to the distribution parameter of core sample reclaimed water, in combination with
The distribution of natural gas in the distribution parameter of aperture size, core sample petrochina in core sample, core sample
The implementation process of parameter etc., sunykatuib analysis water drive oil or water drive gas, and then can set objectives ground according to above-mentioned implementation process
Oil or the specific recovery scheme of natural gas in layer.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment
Divide mutually referring to what each embodiment stressed is the difference with other embodiment.It is real especially for system
For applying example, because it is substantially similar to embodiment of the method, so description is fairly simple, related part is referring to embodiment of the method
Part explanation.
It should be noted that system, device, module or unit that above-mentioned embodiment illustrates, specifically can be by computer
Chip or entity are realized, or are realized by the product with certain function.For convenience of description, in this manual, retouch
It is divided into various units when stating apparatus above with function to describe respectively.Certainly, can be the function of each unit when implementing the application
Realized in same or multiple softwares and/or hardware.
In addition, in this manual, adjective can be only used for an element or dynamic such as first and second
Make to make a distinction with another element or action, without requiring or implying any actual this relation or order.Permit in environment
Perhaps in the case of, be should not be interpreted as limited to reference to element or part or step (s) in only element, part or step one
It is individual, and can be one or more of element, part or step etc..
As can be seen from the above description：What the application embodiment provided can for HTHP Natural Gas Migration And Accumulation
Depending on changing detection means/method, by using hot tank circulating pump, ring pressure tracking pump, gas boosting pump, constant pressure and flow pump with exactly
The environmental characteristic of simulated formation mesohigh high temperature, further through magnetic nuclear resonance analyzer simulation while, in real time obtain precision compared with
The distribution parameter of object in high rock core, detected so as to solve present in existing rock core detection method in rock core
The migration state poor accuracy of object, the technical problem cumbersome, detection efficiency is low, reaches in the same of simulated formation environment
When in real time, accurately and efficiently determine the technique effect of the distribution parameter of object in core sample, and can utilize same
The distribution of a set of object being used under HTHP Natural Gas Migration And Accumulation visual detection device analog detection different situations
Parameter；Further through the non-magnetic core holding unit of use so that can be directly using NMR to target in core sample
The distribution parameter of thing is detected in real time；Also by using tie point made of non-magnetic material and the second branch road, reduce
Interference to magnetic nuclear resonance analyzer, reduces detection error.
Scene is embodied at one, refering to Fig. 1, provides using the application and is visualized for HTHP Natural Gas Migration And Accumulation
In the case of detection means/method is to gas (natural gas) expelling water, the migration state of the object in the core sample of certain formation at target locations
Carry out specific analog detection.
S1：It is connected to HTHP Natural Gas Migration And Accumulation visual detection device.When it is implemented, following step can be included
Suddenly.
S1-1：Source of the gas (the first air accumulator for being stored with test gas) is connected with gas boosting pump；
S1-2：Gas boosting pump is connected with the second air accumulator, centre is provided with control valve to control gas flow,
Pressure gauge is connected on second air accumulator, to monitor the pressure of the second gas tank；
S1-3：Second air accumulator is connected with core holding unit, control valve is respectively equipped with connecting pipeline, is taken out very
Empty device, and the pressure gauge of the gas pressure of monitoring injection core holding unit.And connect on this section of main road (i.e. tie point)
Another branch road (i.e. the second branch road) is connected to, the branch road includes constant pressure and flow pump and the first container, and branch road connection is led into rock core folder
The entrance point of holder；
S1-4：Press tracking pump to be first coupled to hot tank circulating pump on ring, then be connected in the lump on core holding unit；
S1-5；The core holding unit is positioned in magnetic nuclear resonance analyzer；
S1-6：The magnetic nuclear resonance analyzer is connected with computer (i.e. processor) on-line checking imaging system；
S1-7：The outlet port of rock core holder is connected with second container；
S1-8：Electronic balance is placed under the second container to detect the discharge liquid quality that displacement goes out；
S1-9：The right-hand member of the second container is connected with the upper end of back-pressure valve；
S1-10：The back-pressure valve lower end is connected with back pressure increasing apparatus, pressed to increase to outlet port of rock core holder
Power；
S1-1：The upper end of the back-pressure valve is connected into gas flowmeter, if the gas pressure that displacement goes out is more than back-pressure valve
Pressure, gas then enter gas flowmeter by back-pressure valve, and gas flowmeter can measure the gas flow of discharge.
S2：By for HTHP Natural Gas Migration And Accumulation visual detection device, to point of the object in core sample
Cloth state parameter is specifically detected.
S2-1：Rock core Jing Guo pre-treatment is dried 4~10 hours at 110 DEG C, is then charged into core holding unit；
S2-2：As the case may be, empirically require, the liquid or gas needed for saturation is added in the first container
Body；
S2-3：The switch of hot tank circulating pump and ring pressure tracking pump is opened, control valve V6 is opened, core holding unit is carried out
Boosting heating；
S2-4：Control valve V3, V4 is opened, core holding unit is vacuumized；
S2-5：Closing control valve V3, V4, and control valve V5, V7 is opened, with constant pressure constant speed pump by the first container
In liquid or gas injection rock core, to adjust injection pressure and back pressure, and core sample is caused to reach fully saturated；
S2-6：Closing control valve V5, and control valve V1, V4 is opened, pass through adjustment control valve V2, control gas note
Enter pressure, and adjust back pressure；
S2-7：Nuclear magnetic resonance spectroscopy and computer are opened, by measuring the different signals for injecting pressure spot inside rock core in real time
Amount come measure or calculate relevant parameter (including：The aperture size of core sample, the distributed constant of core sample reclaimed water, point of oil
The distributed constant of cloth parameter, gas), and then complete the imaging operation to core sample；
S2-8：Control valve V8 is opened, gas carries out component detection by full constituent gas chromatographicanalyzer, discharged
The specific composition of gas.
S3：Data Management Analysis.
The relevant parameter for detecting to obtain according to magnetic nuclear resonance analyzer, data processing is carried out by computer, can basis
Construction needs, and obtains multiple results.It can specifically include：The use provided using the application embodiment shown in Fig. 5
The distribution of rock core reclaimed water in the case of HTHP Natural Gas Migration And Accumulation visual detection device detects water drive oil or water drive gas
Shown in the schematic flow sheet of parameter, Fig. 6 in a Sample Scenario using the application embodiment provide to be used for high temperature high
Tight sand nuclear magnetic resonance T under the different displacement pressures that pressure Natural Gas Migration And Accumulation visual detection device/method is obtained2Spectral structure
Rock core detection means/the method provided in a Sample Scenario using the application embodiment shown in figure, Fig. 7 is obtained
Shown in methane saturation degree component map, Fig. 8 under different displacement pressures in tight sand different pore size in a Sample Scenario
The difference for being used for HTHP Natural Gas Migration And Accumulation visual detection device/method and being obtained provided using the application embodiment
Fluid imaging effect figure in tight sand under displacement pressure difference (color is deeper in image, and it is higher to represent its water content).
According to above computer result, the seepage flow mechanism of natural gas in formation at target locations can be further analyzed.In this way,
Specific exploration and development can be carried out to the natural gas pool in formation at target locations according to the seepage flow mechanism of natural gas in formation at target locations.
In the present embodiment, it is also necessary to explanation, it is natural for HTHP used in this Scene case
The poly- visual detection device of fate can specifically include consisting of structure：Injected system, temperature and pressure control system, nuclear-magnetism detection system
System and metering system.Wherein, above-mentioned injected system can specifically have saturation, displacement and three kinds of functions such as vacuumize, and specifically may be used
With including：The structures such as air accumulator, gas boosting pump, constant pressure and flow pump, vavuum pump；Temperature and pressure control system specifically can be used for heating up
And boosting, its structure can specifically include：The structure such as hot tank circulating pump and ring pressure tracking pump；Nuclear-magnetism detecting system, specifically can be with
For detecting the transport conditions of rock core internal flow, its structure can specifically include：Core holding unit and magnetic nuclear resonance analyzer
Etc. structure；Metering system specifically can be used for the quality and composition for detecting port of export fluid, and its structure can specifically include：Electronics
The structures such as balance, gas flowmeter, back-pressure valve, back pressure increasing apparatus and full constituent gas chromatographic analysis instrument.The mistake of specific implementation
Cheng Zhong, to ensure that equipment can complete the overall process of experiment in the case of sample is not taken out, several big system connected modes are injection
System is connected with nuclear-magnetism detecting system, and connects metering system, another branch road connection in a branch road of nuclear-magnetism detecting system
Temperature and pressure control system.It is thus possible to can to the real-time of HTHP Natural Gas Migration And Accumulation situation by rock core detection means experiment
Detected depending on changing.
By above-mentioned Sample Scenario, demonstrate and be used for the natural fate of HTHP by what the application embodiment provided
Poly- visual detection device/method can solve to detect object in rock core present in existing rock core detection method really
Migration state poor accuracy, the technical problem cumbersome, detection efficiency is low.
Although mentioning different embodiments in teachings herein, the application is not limited to be capable
Situation described by industry standard or embodiment etc., some professional standards or the implementation described using self-defined mode or embodiment
On the basis of embodiment amended slightly can also realize above-described embodiment it is identical, it is equivalent or it is close or deformation after it is anticipated that
Implementation result.Using the embodiment of the data acquisition after these modifications or deformation, processing, output, judgment mode etc., still may be used
To belong within the scope of the optional embodiment of the application.
Although this application provides the method operating procedure as described in embodiment or flow chart, based on conventional or noninvasive
The means for the property made can include more or less operating procedures.The step of being enumerated in embodiment order is only numerous steps
A kind of mode in execution sequence, does not represent unique execution sequence., can when device or client production in practice performs
So that according to embodiment, either method shown in the drawings order is performed or parallel performed (such as at parallel processor or multithreading
The environment of reason, even distributed data processing environment).Term " comprising ", "comprising" or its any other variant are intended to contain
Lid nonexcludability includes, so that process, method, product or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, product or equipment also to include
Intrinsic key element.In the absence of more restrictions, be not precluded from the process including the key element, method, product or
Other identical or equivalent elements in person's equipment also be present.
Device that above-described embodiment illustrates or module etc., it can specifically be realized by computer chip or entity, or by having
There is the product of certain function to realize.For convenience of description, it is divided into various modules during description apparatus above with function to retouch respectively
State.Certainly, the function of each module can be realized in same or multiple softwares and/or hardware when implementing the application,
The module for realizing same function can be realized by the combination of multiple submodule etc..Device embodiment described above is only
Schematically, for example, the division of the module, only a kind of division of logic function, can there is other draw when actually realizing
The mode of dividing, such as multiple module or components can combine or be desirably integrated into another system, or some features can be ignored,
Or do not perform.
It is also known in the art that in addition to realizing controller in a manner of pure computer readable program code, it is complete
Entirely can by by method and step carry out programming in logic come controller with gate, switch, application specific integrated circuit, may be programmed
The form of logic controller and embedded microcontroller etc. realizes identical function.Therefore this controller is considered one kind
Hardware component, and what its inside was included is used to realize that the device of various functions can also to be considered as the structure in hardware component.Or
Person even, not only can be able to will be the software module of implementation method but also can be hardware for realizing that the device of various functions is considered as
Structure in part.
The application can be described in the general context of computer executable instructions, such as program
Module.Usually, program module includes performing particular task or realizes routine, program, object, the group of particular abstract data type
Part, data structure, class etc..The application can also be put into practice in a distributed computing environment, in these DCEs,
By performing task by communication network and connected remote processing devices.In a distributed computing environment, program module can
With in the local and remote computer-readable storage medium including storage device.
As seen through the above description of the embodiments, those skilled in the art can be understood that the application can
Realized by the mode of software plus required general hardware platform.Based on such understanding, the technical scheme essence of the application
On the part that is contributed in other words to prior art can be embodied in the form of software product, the computer software product
It can be stored in storage medium, such as ROM/RAM, magnetic disc, CD, including some instructions are causing a computer equipment
(can be personal computer, mobile terminal, server, either network equipment etc.) perform each embodiment of the application or implementation
Method described in some parts of example.
Each embodiment in this specification is described by the way of progressive, same or analogous portion between each embodiment
Divide mutually referring to what each embodiment stressed is the difference with other embodiment.The application can be used for crowd
In more general or special purpose computing system environments or configuration.Such as：Personal computer, server computer, handheld device or
Portable set, laptop device, multicomputer system, the system based on microprocessor, set top box, programmable electronics are set
Standby, network PC, minicom, the DCE etc. of mainframe computer including any of the above system or equipment.
Although depicting the application by embodiment, it will be appreciated by the skilled addressee that the application have it is many deformation and
Change is without departing from spirit herein, it is desirable to which appended claim includes these deformations and changed without departing from the application.
Claims (15)
1. one kind is used for HTHP Natural Gas Migration And Accumulation visual detection device, it is characterised in that described device includes：First storage
Gas tank, the first container, core holding unit, magnetic nuclear resonance analyzer, hot tank circulating pump, ring pressure tracking pump, gas boosting pump, constant pressure
Constant flow pump, wherein,
The core holding unit is used to hold core sample, and the arrival end of the core holding unit is provided with two branch roads：First
Road, the second branch road, wherein, the tie point is provided with first air accumulator, and second branch road is provided with first container；
The gas boosting pump is arranged in the tie point between first air accumulator and the core holding unit, for adjusting
The pressure for the gas that section is entered in the core holding unit by the tie point；The constant pressure and flow pump is arranged on described
On two branch roads, the pressure of gas or liquid in the core holding unit is entered by second branch road for adjusting；
The hot tank circulating pump and ring pressure tracking pump are connected with the core holding unit, wherein, the hot tank circulating pump is used
In providing preset temperature for the core holding unit, the ring pressure tracking pump is used to provide default pressure for the core holding unit
Power；
The core holding unit is is placed in the magnetic nuclear resonance analyzer without magnetic core holding unit, the core holding unit, institute
The distribution parameter that magnetic nuclear resonance analyzer is used to obtain object in the core sample is stated, wherein, the object bag
Include at least one of：Water, gas, oil.
2. device according to claim 1, it is characterised in that between the gas boosting pump and the core holding unit
Tie point be provided with vavuum pump.
3. device according to claim 2, it is characterised in that between the gas boosting pump and the vavuum pump
One branch road is provided with the second air accumulator, wherein, second air accumulator is used for stabilization and enters the rock by the tie point
The pressure of gas in heart clamp holder.
4. device according to claim 1, it is characterised in that the port of export of the core holding unit is connected with second container,
And the second container is arranged on electronic balance, wherein, the second container is used for the liquid for collecting discharge, the electronics day
Equal the quality of the liquid for determining the discharge.
5. device according to claim 4, it is characterised in that be disposed with back-pressure valve and back pressure on the second container
Increasing apparatus.
6. device according to claim 4, it is characterised in that be additionally provided with gas flowmeter on the second container, be used for
Determine the flow of the gas of discharge.
7. device according to claim 6, it is characterised in that the gas flowmeter is connected with full constituent gas chromatographic analysis
Instrument, the composition composition of the gas for determining discharge.
8. device according to claim 1, it is characterised in that the tie point and second route polyether-ether-ketone
Material is made.
9. device according to claim 1, it is characterised in that described device also includes processor, the processor and institute
State magnetic nuclear resonance analyzer to be connected, the processor is used for the state parameter according to object in the core sample, determines rock
The migration state of object in heart sample.
10. a kind of HTHP Natural Gas Migration And Accumulation Visual retrieval that is used for by any one of claim 1 to 9 fills
Put, the method for detecting the distribution parameter of gas in rock core in the case of gas drive water, it is characterised in that including：
Obtain the core sample of formation at target locations；
The core sample is pre-processed, pretreated core sample is placed in core holding unit；
By adjusting constant pressure and flow pump, through being filled with water in core holding unit described in second road direction to the pretreated rock core
Sample saturation；
The temperature of regulation hot tank circulating pump to the core holding unit reaches preset temperature；Regulation ring pressure tracks pump to the rock core
The pressure of clamper reaches preset pressure；
By adjusting gas boosting pump so that the natural gas in the first air accumulator enters the core holding unit with specified pressure
In；
By magnetic nuclear resonance analyzer, the distribution parameter of natural gas in the core sample is obtained.
11. according to the method for claim 10, it is characterised in that the distribution shape of natural gas in the core sample is obtained
After state parameter, methods described also includes：
The distribution parameter of natural gas in the core sample, determine the seepage flow machine of natural gas in the formation at target locations
Reason；
According to the seepage flow mechanism of the natural gas, exploration and development is carried out to the natural gas pool of the formation at target locations.
12. a kind of HTHP Natural Gas Migration And Accumulation Visual retrieval that is used for by any one of claim 1 to 9 fills
Put, the method for detecting distribution parameter oily in rock core in the case of oily expelling water, it is characterised in that including：
Obtain the core sample of formation at target locations；
The core sample is pre-processed, pretreated core sample is placed in core holding unit；
The temperature of regulation hot tank circulating pump to the core holding unit reaches preset temperature；Regulation ring pressure tracks pump to the rock core
The pressure of clamper reaches preset pressure；
By adjusting constant pressure and flow pump, through being filled with water in core holding unit described in second road direction to the pretreated rock core
Sample saturation；
By adjusting constant pressure and flow pump, through being filled with oil in core holding unit described in second road direction；
By magnetic nuclear resonance analyzer, the distribution parameter of the core sample petrochina is obtained.
13. according to the method for claim 12, it is characterised in that obtaining the distribution of the core sample petrochina
After parameter, methods described also includes：
According to the distribution parameter of the core sample petrochina, the reservoiring mechanism of oil reservoir in the formation at target locations is determined；
According to the reservoiring mechanism of the oil reservoir, exploration and development is carried out to the oil reservoir of the formation at target locations.
14. a kind of HTHP Natural Gas Migration And Accumulation Visual retrieval that is used for by any one of claim 1 to 9 fills
Put, the method for the distribution parameter of rock core reclaimed water in the case of detection water drive oil or water drive gas, it is characterised in that including：
Obtain the core sample of formation at target locations；
The core sample is pre-processed, pretreated core sample is placed in core holding unit；
The temperature of regulation hot tank circulating pump to the core holding unit reaches preset temperature；Regulation ring pressure tracks pump to the rock core
The pressure of clamper reaches preset pressure；
By adjusting constant pressure and flow pump, water is filled with into the core holding unit；
By magnetic nuclear resonance analyzer, the distribution parameter of the core sample reclaimed water is obtained.
15. according to the method for claim 14, it is characterised in that obtaining the distribution ginseng of the core sample reclaimed water
After number, methods described also includes：
According to the distribution parameter of the core sample reclaimed water, the oil or natural gas in the formation at target locations are exploited.
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