CN106323924A - Method for determining oil and gas reservoir-forming age - Google Patents
Method for determining oil and gas reservoir-forming age Download PDFInfo
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- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
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- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
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Abstract
The invention discloses a method for determining an oil and gas reservoir-forming age and relates to the technical field of oil and gas reservoir forming. According to the technical scheme, the method mainly includes the steps that research area oil-bearing formation inclosure flakes and apatite minerals are acquired; the inclosure formative periods and sequence are researched, the inclosure formative periods and sequence are determined, and hydrocarbon inclosure and saline inclosure are screened; through combination of a cold and hot table and a polarizing microscope, homogenization temperature of the hydrocarbon inclosure and saline inclosure with different attitudes is quantitatively acquired; thermal evolutional history model parameters are determined, the fission track length and density of apatite are counted, the fission track age is calculated, a multielement sector-shaped annealing model is established, and set geological conditions are screened; AFSolve software is used for thermal history simulation, and an optimal thermal history path T-t curve is acquired; the oil gas one-period or multi-period reservoir-forming time is determined. According to the method, the problems that in the prior art, oil and gas reservoir-forming age prediction precision is low, and multiplicity of solutions is high can be effectively solved, and great significance is provided for predicting oil and gas favorable zones and reducing the exploration cost.
Description
Technical field
The present invention relates to Hydrocarbon Formation Reservoirs technical field, particularly to a kind of method determining the Hydrocarbon Formation Reservoirs age.
Background technology
The Hydrocarbon Formation Reservoirs age, as the important research content of hydrocarbon accumulation geology, enjoys geologist's especially petroleum geology
Scholar is paid close attention to.The research of Hydrocarbon Formation Reservoirs age experienced by the process developed by qualitative, sxemiquantitative to quantification, the most accurate
Carburetion gas Oil-gas pool forming age becomes technical problem difficult point, simultaneously the Hydrocarbon Formation Reservoirs age the most whether can cause to Hydrocarbon accumulation process,
Become to hide the different understanding such as efficiency, reservoiring mechanism, and then increase the risk of oil-gas pool distribution prediction and improve exploration cost.
Determine that the traditional method in Hydrocarbon Formation Reservoirs age is mainly by the structural history in basin, trap forming history, hydrocarbon source
The research of Piper pulicatulum C. D C. Migration History, in conjunction with the principal oil generating phase of Source Rocks, trap forming phase, oil reservoir saturation pressure etc., comprehensive analyzing oil and gas
Hide Formed age, belong to qualitative-semiquantitative method indirectly determining Bozhong Depression.Geochemistry and organic rock in recent years
The fast development of Shi Xue, the various geochemistry relying on into Tibetan fossil record and petrology are analyzed method and are applied to Hydrocarbon Formation Reservoirs year
In generation research, it is provided that the multiple means of Hydrocarbon Formation Reservoirs age research, the Hydrocarbon Formation Reservoirs age is made to send out to quantification, precision direction
Exhibition, currently mainly includes that K-Ar dating of authigenic illite, fluid inclusions homogenization temperature determine the methods such as year indirectly.
The flow process of K-Ar dating of authigenic illite mainly include the Separation & Purification of authigenic illite, X diffraction detection purity,
5 techniqueflows such as K assay, Ar isotopic ratio, K-Ar age calculating.The method can only determine oil gas phase the earliest
Oil-gas pool forming age, is not suitable for China's terrestrial facies poly-cyclic basin many phases time Analysis of Hydrocarbon Accumulation.Meanwhile, except terrigenous clastic potassium
Outside Anhydrite, chip illite, chlorite, kaolinite, absorption interchangeability K+Ion, the 40Ar/39Ar ratio etc. of pore-fluid
All the K-Ar system of authigenic illite may be produced and the most significantly affect, cause the most irrational or do not have accurately
The age result of geological Significance.Thus the method has certain limitation in the scope of application and application effect.
The indirect Ding Nianfa of inclusion enclave homogenization temperature is to be combined with buried history to determine Oil-gas pool forming age, and the method is for the inclusion enclave phase
Secondary most important with sequence analysis relation, the clearest and the most definite inclusion enclave occurrence is not accurate enough, and during buried history develops simultaneously, erosion sediment thickness is extensive
Multiple has error, and uncertain factor is more, and paleogeotherm curve can be caused inaccurate, and final inclusion enclave homogenization temperature projects to bury
There is certain error in the Hydrocarbon Formation Reservoirs age determined on the history paleogeotherm curve of Tibetan, degree of accuracy is the highest.
Along with predicting oil/gas Oil-gas pool forming age precision is improved constantly, traditional qualitative-semi-quantitative method and emerging
The quantitative approachs such as isotope tracling method, inclusion enclave homogenization temperature are the most challenged, and especially for multi-period accumulation, multicycle is folded
For closing basin, it is badly in need of research precision higher quantification Forecasting Methodology.
Summary of the invention
It is an object of the invention to provide a kind of method determining the Hydrocarbon Formation Reservoirs age, the method can be to Multicycle Superimposed
Time Hydrocarbon Formation Reservoirs age basin many phases is predicted, and to solve, Hydrocarbon Formation Reservoirs prediction age precision in prior art is low, multi-solution
Strong technical problem.
In the present invention, the technical term related generally to is defined as follows described.Homogenization temperature: in two-phase or multiphase under room temperature
Inclusion enclave, when being heated to a certain temperature, inclusion enclave is transformed into original uniform monophasic fluid by two-phase or multiphase, now
Instantaneous temperature is referred to as homogenization temperature.Inclusion enclave occurrence: refer to present position when inclusion enclave size, form, formation, with Zhou Bianguan
System.Oil-gas pool forming age: oil-gas generation, migrate to trap, formed oil-gas reservoir Geologic Time.
For reaching above-mentioned purpose, the present invention program provides a kind of method determining the Hydrocarbon Formation Reservoirs age, and it includes following
Step:
Step one: obtain oil-bearing layer position, study area inclusion enclave thin slice and apatite mineral
(1) inclusion enclave thin slice is made according to oil-bearing layer position core sample；
(2) apatite mineral with the same or like core sample of inclusion enclave is obtained；
Step 2: inclusion enclave formation phase and order research
(1) utilize ultramicroscopic observation inclusion enclave thin slice, divide inclusion enclave occurrence and phase time；
(2) utilize uv excitation light to analyze inclusion enclave fluorescent characteristic, divide inclusion enclave Maturity；
(3) laser Raman spectrometer is utilized to obtain different occurrences and the composition of Maturity inclusion enclave；
(4) according to above-mentioned steps, on the basis of inclusion enclave occurrence clearly, in conjunction with Fluid Inclusion Compositions and fluorescence analysis, really
Determine inclusion enclave formation phase and order, and screen hydrocarbon inclusion and saline inclusion；
Step 3: utilize cold and hot to combine with polarizing microscope, quantitatively obtains different occurrences hydrocarbon inclusion and saline
The homogenization temperature of inclusion enclave
Step 4: determine thermal evolution history model parameter
(1) external detector method is utilized to obtain apatite induced-fission tracks, the method statistic apatite etched by acidifying
Fission track length, density；
(2) the Zeta constant method using IUGS to recommend calculates fission-track age；
(3) according to " equivalent time principle ", the track lenth of the statistics screening each apatite particle of same sample, and calculate it
Standard variance, sets up polynary fan-shaped annealing model；
(4) according to area deposition structural evolution background, screening sets geological conditions；
Step 5: utilize AFSolve software to carry out thermal history simulation, obtains optimal thermal history path T-t curve
Step 6: determine the Hydrocarbon Formation Reservoirs age
Screening and the saline inclusion homogenization temperature of hydro carbons symbiosis, add up the not Hydrocarbon Formation Reservoirs peak temperature same period time, projection
On the T-t curve of thermal history path, determine oil gas one phase or the reservoir forming time of many phases.
Wherein, in step one (1), the manufacture method of inclusion enclave thin slice refers to: People's Republic of China's petroleum gas
Industry standard " SY/T5913-2004 rock flaking method ".
In step one (2), the acquisition of apatite mineral refers to: People's Republic of China's oil and gas industry standard
" SY/T6336-1997 sedimentary rock heavy mineral separates and authentication method ".
In step 2 (3), obtain the composition of different occurrences and Maturity inclusion enclave and refer to document: Burke E A
J.2001.Raman micro-spectrometry of fluid inclusions.Lithos, 55 (1～4): 139～
158.)。
In step 3, the assay method of inclusion enclave homogenization temperature refers to: People's Republic of China's oil and gas industry
Standard " SY/T6010-94 inclusions in sedimentary rocks homogenization temperature and salinity assay method ".
In step 4 (3), set up the method for polynary fan-shaped annealing model and refer to document: Ketcham RA, Carter A,
Donelick R A.Improved modeling go fission track annealing in apatite[J]
.American Mineralogist,2007,92(5-6):799-810)。
Method of analyzing in step 5 refers to document: Ketcham RA, Donelick RA, Donelick M B.AFT
Solve:A program for multi-kinetic modeling of apatite fission track data.Geol
Mater Res,2000,2:1–21)。
Regular shape during preferably, the step 2 (1) of said method utilizes single polarized microscope analysis quartz, calcite,
The inclusion enclave being of moderate size, an emphasis screening quartzy phase strengthens limit, the second phase strengthens limit and in early days in calcite, late period calcite
The inclusion enclave that institute place is lived.
Preferably, in the step 2 (2) of said method, burst of ultraviolel optical wavelength is 330～380nm, inclusion enclave Maturity
Divided by fluorescence color, along with organic matter develops to high ripe from low mature, its fluorescence color be changed to yellow →
Orange → blueness → blue and white.
LR laser raman analysis utilizes LR laser raman instrument parcel the most dissimilar, different occurrence body raman characteristic peak, obtains
Take component contained by corresponding inclusion enclave.
Preferably, in the step 3 of said method, in the test process of inclusion enclave homogenization temperature, control the speed that temperature raises
Degree is 5～10 DEG C/minute, and when inclusion enclave is close to homogenization, programming rate controls at 1～3 DEG C/minute.Every inclusion enclave chooses 20
～50 temperature spots carry out homogenization temperature test.
Preferably, in the step 4 (1) of said method, utilize high power microscope to select the cylinder of parallel c-axis, measure spontaneous
Track and induction Track density, horizontal confined track length.
In the step 4 (2) of said method, according to below equation calculating track ages:
Wherein, for the individual particle ageλd=1.55123 × 10-10a-1It is238The decay constant of U；ζ is
Zeta constant value 357.8 ± 6.9；ρsFor self-fission tracks density in mineral；ρiMineral for Muscovitum external detector record lure
Send out fission track density；ρdInduction Track density for supervision of neutron flux device Standard uranium glass assembly；G=0.5, for geometry because of
Son.
In the step 4 (3) of said method, it is the mathematical formulae of annealing model according to below equation:
G (r)={ [(1-r2.7]0.35-1}/0.35=-4.87+0.000168T [ln (t)+28.12]
In formula, r is the ratio of track lenth and initial track lenth, l/l0；T is the time, s；T is temperature, K.
The method that the present invention provides is particularly suited for the oil-gas reservoir having the characteristics that: (1) oil-gas bearing basin has many phases
Hydrocarbon develops, and oil-gas reservoir experienced by multistage charge, adjusts loss process；(2) structural evolution is complicated, especially Multicycle Superimposed basin
Ground.Compared with the existing technology, the having the advantages that of the present invention
(1) ultramicroscopic observation, fluorescence display, LR laser raman analysis are utilized, it may be determined that inclusion enclave occurrence, hydro carbons parcel
Body maturation degree, Fluid Inclusion Compositions, three be combined with each other, and mutually confirms, and catches the details on inclusion enclave diagenesis, more comprehensively anti-
Reflect inclusion enclave formation phase and order.
(2) utilize apatite thermal history to simulate, reduce the impact of denuded strata thickness parameter to greatest extent, improve structure
Develop the precision recovered, thus more accurately defines thermal evolution path T-t curve.
(3) screening statistics inclusion enclave accumulation stages and order, project optimal thermal history Evolution Paths T-t curve, determine a phase
Or the Hydrocarbon Formation Reservoirs age many phases, for predicting oil/gas Favorable Zones, reduce exploration cost significant.
Accompanying drawing explanation
Fig. 1 is the process according to the invention schematic diagram.
Fig. 2 is Ordos Basin Permian System inclusion enclave occurrence and the fluorescence types figure of the embodiment of the present invention.
Fig. 3 is the Ordos Basin Permian System inclusion enclave Raman spectrogram of the embodiment of the present invention.
Fig. 4 is that the Ordos Basin Permian System thermal history of the embodiment of the present invention is simulated T-t and become to hide sequential chart.
Fig. 5 is the Ordos Basin Permian System inclusion enclave homogenization temperature scattergram of the embodiment of the present invention.
Detailed description of the invention
In order to the technical characteristic of the present invention, purpose and beneficial effect are more clearly understood from, below in conjunction with embodiment party
Technical scheme carries out described further below by formula and accompanying drawing, but it is not intended that to the present invention can practical range
Limit.
Central China Ordos Basin is the deposition that the Multifarious minerals such as oil, natural gas, coal, uranium ore assemble enrichment jointly
Basin, the Triassic period in of Mesozoic Era since to experienced by many phases time deposition multiple with many series of strata with multicycle transformation, multistage hydrocarbon in this basin
Close the process of oil-containing (gas), repeatedly migration and the adjustment loss of many phases.Existing achievement in research has found out Ordos Basin substantially
Upper Paleozoic is hidden to be had the many series of strata of multi-period accumulation and is combined the feature of gassiness, and the main reservoir forming time of oil gas is early dwarf
Sieve generation mid-term-latter stage in Middle Jurassic epoch, latter stage in Middle Jurassic epoch-latter stage in Early Creataceous Epoch, but to phase time of hydrocarbon charge and time thereof still
So there is more query, Oil-gas pool forming age becomes a key difficult problem.To this, present embodiments provide for above-mentioned Hydrocarbon Formation Reservoirs year
The method in generation,
As it is shown in figure 1, it comprises the following steps:
Step one: obtain oil-bearing layer position, study area inclusion enclave thin slice and apatite mineral
Have been found that 3 mouthfuls of upper palaeozoic drilling wells of commercial hydrocarbon flow according to Ordos Basin, gather the Permian System three respectively
The sample of sandstone of different gas bearing intervals, example weight is more than 5Kg, makes the inclusion enclave thin slice (manufacture method of three layer positions respectively
It is referred to: People's Republic of China's oil and gas industry standard " SY/T5913-2004 rock flaking method "), pass through sample
(analysis method is referred to the apatite mineral of the technical limit spacing equivalent layer positions such as product pulverizing, heavy mineral separation: China's people's republicanism
State's oil and gas industry standard " SY/T6336-1997 sedimentary rock heavy mineral separates and authentication method ").
Step 2: inclusion enclave formation phase and order research
(1) observe according to oil-bearing layer position core sample inclusion enclave thin slice, utilize single polarized microscope analysis quartz, calcite
Middle regular shape, the inclusion enclave being of moderate size, emphasis screening quartzy phase increasing limit, second phase increasing limit and early stage calcite,
The inclusion enclave that in late period calcite, institute place is lived, outcome research district Paleozoic group major developmental three phase inclusion enclave, first phase major developmental
In quartz secondary limit, prolong and grow auburn liquid hydrocarbon inclusion enclave and saline inclusion (Fig. 2 a, table 1) inside increasing limit.The
Second phase inclusion enclave is mainly distributed in low permeability thing or cuts through (figure in the crack on quartz overgrowth limit along part
2b, table 1).Third phase inclusion enclave is distributed in calcite cement in late period (Fig. 2 c, table 1).
(2) uv excitation light and spectrofluorimetry inclusion enclave fluorescent characteristic, fluorescence analysis: burst of ultraviolel optical wavelength are utilized
It is set to 330～380nm, observes hydrocarbon inclusion fluorescence color.Result first phase hydrocarbon inclusion be light blue color fluorescence (Fig. 2 d,
Table 1)；Second phase inclusion enclave display blue and white fluorescence (Fig. 2 e, table 1)；Third phase inclusion enclave presents light yellow or yellow-green fluorescence
(Fig. 2 f, table 1).
(3) laser Raman spectrometer is utilized to obtain different inclusion enclave occurrence composition, its Raman light of the inclusion enclave of heterogeneity
The body of spectrum is different.Result display inclusion enclave Raman spectrogram in quartz secondary limit surveyed spectral peak with 1998cm-1With
2957cm-1Characteristic peak is main (Fig. 3 a), the inclusion enclave institute light-metering spectrum in crack or in late period calcite relative to the former 500
～1800cm-1Region often demonstrates other characteristic peaks (Fig. 3 b) some.
(4) according to above-mentioned steps, on the basis of inclusion enclave occurrence clearly, in conjunction with Fluid Inclusion Compositions and fluorescence analysis, really
Determining inclusion enclave formation phase, result shows, the oil gas of rock sample thin slice major developmental 3 phase of Permian System different layers position, study area
Inclusion enclave (table 1), and screen light yellow or the blue or blue and white of display for hydrocarbon inclusion, do not show fluorescence for gas-liquid two
It is saline inclusion mutually.
Step 3: utilize cold and hot of LINKAM GP600 and advanced microscope DM4500, record and coexist with hydrocarbon inclusion
The homogenization temperature of saline inclusion (analysis method is referred to: People's Republic of China (PRC) oil and gas industry standard " SY/
T6010-94 inclusions in sedimentary rocks homogenization temperature and salinity assay method "), test result is as shown in table 1.
Table 1
Step 4: determine thermal evolution history model parameter
(1) utilizing external detector method to obtain apatite induced-fission tracks, the method etched by acidifying is micro-in high power
Mirror selects the cylinder of parallel c-axis, and horizontal confined track length, result is as shown in table 2.According to spontaneous track bar number (Ns) and induction
Track bar number (Ni), obtains corresponding spontaneous Track density (ρ according to areas) and induction Track density (ρi), result such as table 3 institute
Show.
Table 2
(2) Zeta constant method calculating fission-track age (Age) that employing IUGS recommends:
Wherein, for the individual particle age=1.55123 × 10-10a-1It is238The decay constant of U；ζ is Zeta
Constant value 357.8 ± 6.9；ρsFor self-fission tracks density in mineral；ρiSplit for induction in the mineral of Muscovitum external detector record
Become Track density；ρdInduction Track density for supervision of neutron flux device Standard uranium glass assembly；G=0.5 is geometrical factor, knot
Really shown in table 3.
Table 3
(3) according to " equivalent time principle ", the track lenth (Dpart) of the statistics screening each apatite particle of same sample,
And calculate its standard variance, set up polynary fan-shaped annealing model: g (r)={ [(1-r2.7]0.35-1}/0.35=-4.87+
0.000168T[ln(t)+28.12]
In formula, r is the ratio of track lenth and initial track lenth, l/l0；T is the time, s；T is temperature, K.
(4) according to area deposition structural evolution background, screening sets geological conditions.Ordos Basin Permian System deposition structure
Make evolution initial time be 300Ma ±, experienced by the late Triassic epoch (199Ma ±), the of short duration structure of late Jurassic epoch (150Ma ±) is lifted
After Shenging, Early Creataceous Epoch (120Ma ±) great burying is maximum, multistage, the uplift erosion of full-length time since the Upper Cretaceous.This is set
A little crucial geology build time points.
Step 5: utilize AFSolve software to carry out thermal history simulation, simulation can divide 3 steps: (1) gives some time-temperature and goes through
The constraints of history, arranges a large amount of (10000) time-temperature curve；(2) according to experiment annealing model, obtain by just drilling
Track lenth, the analogue value at age；(3) track lenth, the age value of analog result with actual measurement are contrasted, mainly include footpath
Mark length (K-S Test) and two parameters of track lenth (Age GOF), if the test value of K-S Test and Age GOF all >=
5%, then analog result can accept；When they all >=50%, then analog result is " high-quality ".Result such as Fig. 4.
Step 6: Hydrocarbon Formation Reservoirs age
Utilize the saline inclusion homogenization temperature with hydro carbons symbiosis, obtain not the Hydrocarbon Formation Reservoirs peak temperature same period time, result
Such as Fig. 5, the Permian System shows as three phase peak temperature, is respectively (62.5-81.3) DEG C, (110.2-137.5) DEG C, (87.5-105.3)
DEG C, according to combination and inclusion enclave occurrence, fluorescence, the LR laser raman component analysis of inclusion enclave peak temperature, specify that into the Tibetan temperature phase
Secondary and sequential relationship, in conjunction with the optimal T-t curve of thermal history simulation, projection determines reservoir forming time such as Fig. 4 of oil gas one phase or many phases.
The result Permian System Hydrocarbon Formation Reservoirs age is 178.3Ma, 136.9Ma and 20Ma.
Claims (9)
1. the method determining the Hydrocarbon Formation Reservoirs age, comprises the following steps:
Step one: obtain oil-bearing layer position, study area inclusion enclave thin slice and apatite mineral
(1) inclusion enclave thin slice is made according to oil-bearing layer position core sample；
(2) apatite mineral with the same or like core sample of inclusion enclave is obtained；
Step 2: inclusion enclave formation phase and order research
(1) utilize ultramicroscopic observation inclusion enclave thin slice, divide inclusion enclave occurrence and phase time；
(2) utilize uv excitation light to analyze inclusion enclave fluorescent characteristic, divide inclusion enclave Maturity；
(3) laser Raman spectrometer is utilized to obtain different occurrences and the composition of Maturity inclusion enclave；
(4) according to above-mentioned steps, on the basis of inclusion enclave occurrence clearly, in conjunction with Fluid Inclusion Compositions and fluorescence analysis, bag is determined
Wrap up in body formation phase and order, and screen hydrocarbon inclusion and saline inclusion；
Step 3: utilize cold and hot to combine with polarizing microscope, quantitatively obtains different occurrences hydrocarbon inclusion and saline parcel
The homogenization temperature of body
Step 4: determine thermal evolution history model parameter
(1) external detector method is utilized to obtain apatite induced-fission tracks, the method statistic apatite fission etched by acidifying
Track lenth, density；
(2) the Zeta constant method using IUGS to recommend calculates fission-track age；
(3) according to " equivalent time principle ", the track lenth of the statistics screening each apatite particle of same sample, and calculate its standard
Variance, sets up polynary fan-shaped annealing model；
(4) according to area deposition structural evolution background, screening sets geological conditions；
Step 5: utilize AFSolve software to carry out thermal history simulation, obtains optimal thermal history path T-t curve
Step 6: determine the Hydrocarbon Formation Reservoirs age
Screening and the saline inclusion homogenization temperature of hydro carbons symbiosis, add up the not Hydrocarbon Formation Reservoirs peak temperature same period time, project to heat
On the T-t curve of history path, determine oil gas one phase or the reservoir forming time of many phases.
The method determining the Hydrocarbon Formation Reservoirs age the most according to claim 1, it is characterised in that: in step one (2), apatite ore deposit
Choosing of thing sample should be same or like with inclusion enclave host layer position.
The method determining the Hydrocarbon Formation Reservoirs age the most according to claim 1, it is characterised in that: in step 2 (1), utilize single inclined
The inclusion enclave that light microscope is analyzed regular shape, is of moderate size.
The method determining the Hydrocarbon Formation Reservoirs age the most according to claim 1, it is characterised in that: in step 2 (1), inclusion enclave is
The inclusion enclave that quartz one phase strengthens limit, the second phase strengthens limit and in early days institute place is lived in calcite, late period calcite.
The method determining the Hydrocarbon Formation Reservoirs age the most according to claim 1, it is characterised in that: in step 2 (2), burst of ultraviolel
Light wave a length of 330～380nm, inclusion enclave Maturity is divided by fluorescence color, and color is followed successively by yellow, orange from low to high
Color, blueness and blue and white.
The method determining the Hydrocarbon Formation Reservoirs age the most according to claim 1, it is characterised in that: in step 3, same inclusion enclave
Thin slice is chosen 20～50 temperature spots and is carried out homogenization temperature test.
The method determining the Hydrocarbon Formation Reservoirs age the most according to claim 1, it is characterised in that: step 3 inclusion enclave homogenization temperature
Test process in, control temperature raise speed be 5～10 DEG C/minute, inclusion enclave close to homogenization time, programming rate control
At 1～3 DEG C/minute.
The method determining the Hydrocarbon Formation Reservoirs age the most according to claim 1, it is characterised in that: in step 4 (1), utilize high power
Microscope selects the cylinder of parallel c-axis, measures spontaneous track and induction Track density, horizontal confined track length.
The method determining the Hydrocarbon Formation Reservoirs age the most according to claim 1, it is characterised in that: in step 4 (2), fission track
Age calculation formula is as follows:
Wherein, the individual particle ageλd=1.55123 × 10-10a-1It is238The decay constant of U；ζ is Zeta constant value
357.8±6.9；ρsFor self-fission tracks density in mineral；ρiFor induced-fission tracks in the mineral of Muscovitum external detector record
Density；ρdInduction Track density for supervision of neutron flux device Standard uranium glass assembly；G=0.5, for geometrical factor.
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