CN106246173A - The method and apparatus determining reservoir reserve - Google Patents
The method and apparatus determining reservoir reserve Download PDFInfo
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- CN106246173A CN106246173A CN201610638696.XA CN201610638696A CN106246173A CN 106246173 A CN106246173 A CN 106246173A CN 201610638696 A CN201610638696 A CN 201610638696A CN 106246173 A CN106246173 A CN 106246173A
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- tracer
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
- E21B49/087—Well testing, e.g. testing for reservoir productivity or formation parameters
- E21B49/088—Well testing, e.g. testing for reservoir productivity or formation parameters combined with sampling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/10—Locating fluid leaks, intrusions or movements
- E21B47/11—Locating fluid leaks, intrusions or movements using tracers; using radioactivity
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
- E21B49/087—Well testing, e.g. testing for reservoir productivity or formation parameters
- E21B49/0875—Well testing, e.g. testing for reservoir productivity or formation parameters determining specific fluid parameters
Abstract
The invention provides a kind of method and apparatus determining reservoir reserve, wherein, the method includes: obtains oil-soluble chemical tracer, and is dissolved in by described chemical tracer in the diesel oil of scheduled volume；Diesel oil dissolved with chemical tracer is injected the downhole in reservoir in oil field to be measured；After Preset Time, gather the crude oil sample in described oil field to be measured；Tracer in described crude oil sample is carried out detection by quantitative, according to the material balance relation between chemical tracer and the chemical tracer of extraction injected, determines the reservoir reserve in described oil field to be measured.Reached simply accurately to determine the technique effect of reservoir reserve by the embodiment of the present invention.
Description
Technical field
The present invention relates to oil exploration technology field, particularly to a kind of method and apparatus determining reservoir reserve.
Background technology
Reservoir engineering be one based on reservoir physics, oil-gas Layer permeation fluid mechanics, be engaged in oilfield development design and engineering
The comprehensive petroleum technology science of analysis method.Its task is: oil, gas and water in research oil reservoir (including gas reservoir) development process
The characteristics of motion and driving mechanism, draft corresponding engineering measure, in the hope of reasonably improving exploitation rate and recovery ratio.Along with greatly
The discovery of type height oil-producing, occurs in that the research oil such as deep well pressure gauge, high pressure sampler, gas and water at the instrument of underground state and set
Standby, to reservoir cores research, understands the physical property of oil reservoir and oil etc. and with pressure, the flow mechanism of temperature.
To analyse whether have employed the maximally effective withdrawal mechanism of applicable reservoir characteristic for oilfield development program, the most rationally
Well pattern, the method for water-oil factor, gas-oil ratio during maximally effective control production；Crude oil extraction and can reach the most year by year
Recovery ratio and investment, oilfield construction workload and material requested, crude oil cost and profit.Select from numerous schemes and meet
Oil field development policy, the scheme of the highest oil recovery factor and maximum economic benefit can be obtained.
After putting into production in oil field, subterranean oil, the distribution of gas and water the most constantly change.By the record of production and test money
Material, comprehensively analyzes in oil well pressure, yield and oil reservoir the predictions such as the distribution situation of remaining oil following dynamically, it is provided that daily production and
Adjust the Main Basis of exploitation design.Particular content has:
1) by oil field production real condition, constantly deepen the understanding to oil reservoir, check, supplement with exploitation geology and oil reservoir work
Every basic data of Cheng Youguan, adjusts oil in place further；
2) finding out Sub-region and hierarchical oil, gas and water saturation and strata pressure change, research oil, gas and water are in the fortune within reservoir
Dynamic situation；
3) every factor of analyzing influence recovery ratio, it was predicted that the recoverable reserves of oil reservoir；
4) according to existing production history, it was predicted that following production status and development effectiveness.
As can be seen here, the determination of reservoir reserve is a very important ring in oil reservoir development, the most effectively determines oil reservoir
Reserves could preferably instruct oil reservoir development to work.
Summary of the invention
Embodiments provide a kind of method determining reservoir reserve, in order to simply accurately determine out oil reservoir storage
Amount, the method includes:
Obtain oil-soluble chemical tracer, and described chemical tracer is dissolved in the diesel oil of scheduled volume；
Diesel oil dissolved with chemical tracer is injected the downhole in reservoir in oil field to be measured；
After Preset Time, gather the crude oil sample in described oil field to be measured；
Tracer in described crude oil sample is carried out detection by quantitative, according to the chemical tracer injected and the chemistry of extraction
Material balance relation between tracer, determines the reservoir reserve in described oil field to be measured.
In one embodiment, described chemical tracer is the deuterated alkane of long-chain.
In one embodiment, described chemical tracer includes one or more of: deuterated n-dodecane, deuterated just
Hexadecane and deuterated AI3-28404.
In one embodiment, the diesel oil dissolved with chemical tracer is injected the downhole in reservoir in oil field to be measured, including:
By pressure break pump truck and oil pipe, the diesel oil dissolved with chemical tracer is injected the downhole in reservoir in described oil field to be measured.
In one embodiment, the main pump of described pressure break pump truck is C1800 three-cylinder plunger pump.
In one embodiment, the tracer in described crude oil sample is carried out detection by quantitative, including:
By comprehensive two dimensional gas chromatography time of-flight mass spectrometer, the tracer in described crude oil sample is carried out detection by quantitative.
In one embodiment, described diesel oil includes one or more of: straight-run diesel oil, catalytic cracking diesel oil and
Hydrogenated diesel oil.
In one embodiment, the tracer in described crude oil sample is carried out detection by quantitative, including:
By internal standard quanitation, the tracer in described crude oil sample is carried out detection by quantitative.
In one embodiment, by internal standard quanitation, the tracer in described crude oil sample is carried out detection by quantitative,
Including:
Using scheduled volume with the carbon number difference of described tracer less than predetermined threshold value and be not 0 deuterated long chain alkane as
Internal standard substance adds in described crude oil sample, to be configured to the testing sample of predetermined concentration；
According to described internal standard substance concentration in testing sample, and described internal standard substance and described tracer are at mass chromatogram
Corresponding peak area ratio, determines the concentration of tracer in described crude oil sample.
The embodiment of the present invention additionally provides a kind of device determining reservoir reserve, in order to simply accurately determine out oil reservoir storage
Amount, this device includes:
Dissolve in module, be used for obtaining oil-soluble chemical tracer, and described chemical tracer is dissolved in the diesel oil of scheduled volume
In；
Injection module, for injecting the downhole in reservoir in oil field to be measured by the diesel oil dissolved with chemical tracer；
Acquisition module, for after Preset Time, gathers the crude oil sample in described oil field to be measured；
Determine module, for the tracer in described crude oil sample is carried out detection by quantitative, according to the chemical tracing injected
Material balance relation between agent and the chemical tracer of extraction, determines the reservoir reserve in described oil field to be measured.
In embodiments of the present invention, by oil-soluble chemical tracer is injected into downhole in reservoir, by showing in reservoir
The quantitative detecting analysis of track agent, can determine the reservoir reserve in oil field to be measured simply and effectively, reach by the way
Simply accurately determine the technique effect of reservoir reserve.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, not
Constitute limitation of the invention.In the accompanying drawings:
Fig. 1 is the method flow diagram of determination reservoir reserve according to embodiments of the present invention；
Fig. 2 is the structured flowchart of the device of determination reservoir reserve according to embodiments of the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, right
The present invention is described in further details.Here, the exemplary embodiment of the present invention and explanation thereof are used for explaining the present invention, but also
Not as a limitation of the invention.
As it is shown in figure 1, provide a kind of method determining reservoir reserve in this example, the method may include that
Step 101: obtain oil-soluble chemical tracer, and described chemical tracer is dissolved in the diesel oil of scheduled volume；
I.e., it is possible to according to the default preferred fuel-displaced insoluble chemical tracer of rule, for example, it is possible to select to dissolve in crude oil
The chemical tracer that property is splendid, and ensure that this chemical tracer is substantially insoluble in subsoil water, further, choose in crude oil and do not deposit
And mixture kin with known substance in crude oil as chemical tracer.In view of crude oil exists substantial amounts of alkane
Homologue, therefore, it can to choose the deuterated alkane of long-chain and ensures that it is dissolved only in crude oil and does not dissolves in subsoil water as chemical tracer.
And the boiling point of long-chain (such as, n value is 12-20) is in 200-350 degree Celsius range, it is ensured that in operation will not
Volatilization, and can be analyzed by gas chromatographic technique.
It is to say, can select the deuterated alkane of long-chain as chemical tracer, for example, it is possible to select deuterated positive 12
Alkane, deuterated hexadecane, deuterated AI3-28404, or their mixture.And implementing when, can be as much as possible
Ensure deuterated purity more than 98%, to ensure the accuracy of final result.
Wherein, above-mentioned mentioned crude oil can be understood as coming from the crude oil sample of the production well well head of same oil reservoir
Product.
Step 102: the diesel oil dissolved with chemical tracer is injected the downhole in reservoir in oil field to be measured；
Specifically, the deuterated alkane of long-chain can be injected from exploratory well to the downhole in reservoir in oil field to be measured, for the ease of measuring,
Deuterated for the long-chain of known quantity alkane can be dissolved in a certain amount of diesel oil, after being made into finite concentration, pass through pressure break pump truck and oil pipe
Inject downhole in reservoir.If oil field to be measured has multiple reservoir, then can be layered and inject dissolved with the diesel oil dissolved with chemical tracer,
It is then possible to determined the total amount injecting tracer in different reservoir by injection rate and concentration.
I.e., it is possible to the diesel oil dissolved with chemical tracer is injected the down-hole in described oil field to be measured by pressure break pump truck and oil pipe
Reservoir.The main pump of this pressure pump truck can be C1800 three-cylinder plunger pump, the maximum pressure pump truck up to 105MPa, thus meets
The demand of tracer is injected to ultra-deep high pressure reservoir.
Above-mentioned diesel oil can be straight-run diesel oil, catalytic cracking diesel oil, hydrogenated diesel oil or their mixture.
Step 103: after Preset Time, gathers the crude oil sample in described oil field to be measured；
After the diesel oil dissolved with chemical tracer is injected the certain time after the downhole in reservoir in described oil field to be measured, can
To explore the reservoir reserve in oil field, concrete, can be to picking up from the crude oil sample in oil field, by high accuracy mass spectrograph, to spike
Agent carries out detection by quantitative., for example, it is possible to by comprehensive two dimensional gas chromatography-time of-flight mass spectrometer (GC × GC-TOFMS), carry out
The identification of compound and qualification, i.e. by comprehensive two dimensional gas chromatography time of-flight mass spectrometer to the spike in described crude oil sample
Agent carries out detection by quantitative.
Step 104: the tracer in described crude oil sample is carried out detection by quantitative, according to inject chemical tracer and adopt
Material balance relation between the chemical tracer gone out, determines the reservoir reserve in described oil field to be measured.
Specifically, the identification of compound and qualification are being carried out for this comprehensive two dimensional gas chromatography-time of-flight mass spectrometer
During, can perform in such a way: one-dimensional chromatographic column is 50m × 0.2mm × 0.5 μm of Petro, heating schedule
Can be set as: first 35 DEG C keep 0.2min, be then raised to 210 DEG C with the speed of 1.5 DEG C/min and keep 0.2min, then with 2 DEG C/
The speed of min is raised to 300 DEG C and keeps 20min.Two way chromatograms post is 3m × 0.1mm × 0.1 μm of DB-17HT, uses with one-dimensional
The heating rate that chromatograph is identical, temperature is higher than one-dimensional chromatograph 5 DEG C.Manipulator temperature is higher than one-dimensional chromatograph 45 DEG C.Injector temperature
It is 300 DEG C, split sampling pattern, split ratio 700:1, sample size 0.5 μ L.Using He gas as carrier gas, flow rate set is 1.5ml/
Min, modulation period non-10s, wherein, the hot blow time is 2.5s.In terms of mass spectrum, transmission line and ion source temperature are respectively 300
DEG C and 240 DEG C, detector voltage 1600V, mass scan range 40～520amu, acquisition rate 100 spectrograms/s, during solvent delay
Between be 0min.
By internal standard quanitation, the tracer in described crude oil sample can be carried out detection by quantitative, concrete, Ke Yishi
The crude oil of extraction accurately adds in exploration assessment well deuterated long alkane that is a certain amount of close with tracer carbon number but that differ
Hydrocarbon, thus it is configured to concentration known testing sample, then, according to the concentration of internal standard substance, and internal standard substance and tracer are at quality color
The concentration of tracer in the crude oil that the corresponding peak area ratio of spectrogram records.
I.e., it is possible to determine reservoir reserve scale, the party by injecting the material balance relational expression with extraction chemical tracer
Method contrasts with other reservoir reserve scale, and error is less than 20%.
In one embodiment, material balance method can realize in such a way:
Assume that the original volume being injected diesel oil by exploration assessment well is Vi, wherein, the concentration of tracer is Csi, in extraction
In in crude oil sample, target concentration is Cn, in mass chromatogram, tracer and interior target peak area ratio are r, and calibration factor is j, by
This can obtain oil reservoir and control volumetric reserve Vr=Vi*Csi/j*rCn, then oil reservoir controls quality reserves Wr=ρ Vi*Csi/j*rCn,
Wherein, ρ is oil density.
With two specific embodiments, above-mentioned reservoir reserve is determined that method illustrates below, it is important to note, however, that
This is embodied as, merely to the present invention is better described, being not intended that inappropriate limitation of the present invention.
Example 1
First hexadecane deuterated in 500 kilograms is dissolved in the diesel oil that 100 tons of density is 0.8221 kg/liter, then, logical
Cross pressure break pump truck and the diesel oil dissolved with deuterated hexadecane is all injected into the Ha15Jing of the pool, Harrar Kazakhstan, Tarim Basin block, close
Closing the vexed well of well head after 90 days, drive a well oil recovery, and to record oil density be 0.915 kg/liter.
Deuterated hexadecane in crude oil of monitoring in every 7 days, method particularly includes: in 1.0 liters of crude oil, accurately add 2 milligrams
Deuterated n-octadecane as internal standard ultrasonic mix homogeneously, utilize comprehensive two dimensional gas chromatography-time of-flight mass spectrometer directly to enter
Sample is analyzed, and in mass chromatogram, deuterated hexadecane is 0.3125 with the peak area ratio of deuterated n-octadecane, records in advance
The calibration factor of the two is 1.075.Can obtain the concentration of deuterated hexadecane in extraction crude oil is 0.672 mg/litre.By above-mentioned
It is 6232970 tons that formula can be calculated the scale of this oil reservoir, and the reserves of this block that utilization seam hole engraving process records are
5500000 tons, deviation is 13.3%.
Example 2
First hexadecane deuterated in 1000 kilograms is dissolved in the diesel oil that 100 tons of density is 0.8221 kg/liter, then,
By pressure break pump truck, the diesel oil dissolved with deuterated hexadecane is all injected into Tarim Basin Harrar and breathes out the Ha9Jing of pool block,
Closing the vexed well of well head after 122 days, drive a well oil recovery, and to record oil density be 0.934 kg/liter.
Deuterated n-octadecane in crude oil of monitoring in every 7 days.Concrete grammar is accurately to add 0.5 milli in 1.0 liters of crude oil
Gram deuterated AI3-28404 as internal standard ultrasonic mix homogeneously, utilize comprehensive two dimensional gas chromatography-time of-flight mass spectrometer direct
Sample introduction is analyzed, and in mass chromatogram, deuterated n-octadecane is 0.1254 with the peak area ratio of deuterated AI3-28404, surveys in advance
The calibration factor obtaining the two is 1.083.Can obtain the concentration of deuterated hexadecane in extraction crude oil is 0.0679 mg/litre.Pass through
It is 13755522 tons that above-mentioned formula can be calculated the scale of this oil reservoir, utilizes the storage stitching this block that hole engraving process records
Amount is 12000000 tons, and deviation is 14.6%.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of device determining reservoir reserve, as following
Embodiment described in.Similar to the method determining reservoir reserve owing to determining the principle of the device solution problem of reservoir reserve, because of
This determines that the enforcement of device of reservoir reserve may refer to determine the enforcement of the method for reservoir reserve, repeats no more in place of repetition.
Used below, term " unit " or " module " can realize the software of predetermined function and/or the combination of hardware.Although with
Device described by lower embodiment preferably realizes with software, but hardware, or the realization of the combination of software and hardware is also
May and be contemplated.Fig. 2 is a kind of structured flowchart of the device of the determination reservoir reserve of the embodiment of the present invention, such as Fig. 2 institute
Show, may include that and dissolve in module 201, injection module 202, acquisition module 203 and determine module 204, below this structure is carried out
Explanation.
Dissolve in module 201, be used for obtaining oil-soluble chemical tracer, and described chemical tracer is dissolved in the bavin of scheduled volume
In oil；
Injection module 202, for injecting the downhole in reservoir in oil field to be measured by the diesel oil dissolved with chemical tracer；
Acquisition module 203, for after Preset Time, gathers the crude oil sample in described oil field to be measured；
Determining module 204, for the tracer in described crude oil sample is carried out detection by quantitative, the chemistry according to injecting shows
Material balance relation between track agent and the chemical tracer of extraction, determines the reservoir reserve in described oil field to be measured.
In one embodiment, chemical tracer can be the deuterated alkane of long-chain.
In one embodiment, chemical tracer can include but not limited to one or more of: deuterated positive 12
Alkane, deuterated hexadecane and deuterated AI3-28404.
In one embodiment, injection module 202 specifically can pass through pressure break pump truck and oil pipe will be dissolved with chemical tracing
The diesel oil of agent injects the downhole in reservoir in described oil field to be measured.
In one embodiment, the main pump of described pressure break pump truck can be C1800 three-cylinder plunger pump.
In one embodiment, determine that module 204 specifically may be used for by comprehensive two dimensional gas chromatography flight time matter
Spectrometer carries out detection by quantitative to the tracer in described crude oil sample.
In one embodiment, diesel oil can include but not limited to one or more of: straight-run diesel oil, catalytic cracking
Diesel oil and hydrogenated diesel oil.
In one embodiment, determine that module 204 specifically may be used for by internal standard quanitation described crude oil sample
In tracer carry out detection by quantitative.
In one embodiment, determine that module 204 specifically can be by the carbon number difference with described tracer of scheduled volume
Less than predetermined threshold value and be not 0 deuterated long chain alkane add in described crude oil sample as internal standard substance, predetermined dense to be configured to
The testing sample of degree；Then, according to internal standard substance concentration in testing sample, and described internal standard substance and described tracer are in quality
The corresponding peak area ratio of chromatogram, determines the concentration of tracer in described crude oil sample.
As can be seen from the above description, the embodiment of the present invention achieves following technique effect: by by oil-soluble
Learn tracer and be injected into downhole in reservoir, by the quantitative detecting analysis of tracer in reservoir, determining simply and effectively
Reservoir reserve in oil field to be measured, has reached simply accurately to determine the technique effect of reservoir reserve by the way.
Obviously, those skilled in the art should be understood that each module of the above-mentioned embodiment of the present invention or each step are permissible
Realizing with general calculating device, they can concentrate on single calculating device, or is distributed in multiple calculating device
On the network formed, alternatively, they can realize with calculating the executable program code of device, it is thus possible to by it
Store and perform by calculating device in the storage device, and in some cases, can hold with the order being different from herein
Step shown or described by row, or they are fabricated to respectively each integrated circuit modules, or multiple by them
Module or step are fabricated to single integrated circuit module and realize.So, the embodiment of the present invention is not restricted to any specific hard
Part and software combine.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the embodiment of the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made
Any modification, equivalent substitution and improvement etc., should be included within the scope of the present invention.
Claims (10)
1. the method determining reservoir reserve, it is characterised in that including:
Obtain oil-soluble chemical tracer, and described chemical tracer is dissolved in the diesel oil of scheduled volume；
Diesel oil dissolved with chemical tracer is injected the downhole in reservoir in oil field to be measured；
After Preset Time, gather the crude oil sample in described oil field to be measured；
Tracer in described crude oil sample is carried out detection by quantitative, according to the chemical tracer injected and the chemical tracing of extraction
Material balance relation between agent, determines the reservoir reserve in described oil field to be measured.
Method the most according to claim 1, it is characterised in that described chemical tracer is the deuterated alkane of long-chain.
Method the most according to claim 1, it is characterised in that described chemical tracer includes one or more of: deuterium
For n-dodecane, deuterated hexadecane and deuterated AI3-28404.
Method the most according to claim 1, it is characterised in that the diesel oil dissolved with chemical tracer is injected oil field to be measured
Downhole in reservoir, including:
By pressure break pump truck and oil pipe, the diesel oil dissolved with chemical tracer is injected the downhole in reservoir in described oil field to be measured.
Method the most according to claim 4, it is characterised in that the main pump of described pressure break pump truck is C1800 three-cylinder plunger pump.
Method the most according to claim 1, it is characterised in that the tracer in described crude oil sample is quantitatively examined
Survey, including:
By comprehensive two dimensional gas chromatography time of-flight mass spectrometer, the tracer in described crude oil sample is carried out detection by quantitative.
Method the most according to claim 1, it is characterised in that described diesel oil includes one or more of: straight-run diesel oil,
Catalytic cracking diesel oil and hydrogenated diesel oil.
Method the most according to claim 1, it is characterised in that the tracer in described crude oil sample is quantitatively examined
Survey, including:
By internal standard quanitation, the tracer in described crude oil sample is carried out detection by quantitative.
Method the most according to claim 8, it is characterised in that by internal standard quanitation to the spike in described crude oil sample
Agent carries out detection by quantitative, including:
Using scheduled volume with the carbon number difference of described tracer less than predetermined threshold value and be not 0 deuterated long chain alkane as internal standard
Thing adds in described crude oil sample, to be configured to the testing sample of predetermined concentration；
According to described internal standard substance concentration in testing sample, and described internal standard substance is corresponding at mass chromatogram to described tracer
Peak area ratio, determine the concentration of tracer in described crude oil sample.
10. the device determining reservoir reserve, it is characterised in that including:
Dissolve in module, be used for obtaining oil-soluble chemical tracer, and described chemical tracer dissolved in the diesel oil of scheduled volume；
Injection module, for injecting the downhole in reservoir in oil field to be measured by the diesel oil dissolved with chemical tracer；
Acquisition module, for after Preset Time, gathers the crude oil sample in described oil field to be measured；
Determine module, for the tracer in described crude oil sample is carried out detection by quantitative, according to the chemical tracer injected and
Material balance relation between the chemical tracer of extraction, determines the reservoir reserve in described oil field to be measured.
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| CN109469467A (en) * | 2018-11-13 | 2019-03-15 | 中国石油天然气股份有限公司 | Oil layer ignition method, apparatus, storage medium and processor |
| CN109469467B (en) * | 2018-11-13 | 2021-07-02 | 中国石油天然气股份有限公司 | Oil layer ignition method and device, storage medium and processor |
| CN112326811A (en) * | 2020-09-28 | 2021-02-05 | 中国石油化工股份有限公司 | Method for predicting content of single crude oil in mixed crude oil |
| CN112392456A (en) * | 2020-11-13 | 2021-02-23 | 中国石油天然气股份有限公司 | Well pattern layout rationality judgment method and well pattern layout optimization method |
| CN112392456B (en) * | 2020-11-13 | 2023-07-25 | 中国石油天然气股份有限公司 | Well pattern layout rationality judging method and well pattern layout optimizing method |
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