CN105756675B - Oil reservoir type determination method and device - Google Patents
Oil reservoir type determination method and device Download PDFInfo
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- CN105756675B CN105756675B CN201610244258.5A CN201610244258A CN105756675B CN 105756675 B CN105756675 B CN 105756675B CN 201610244258 A CN201610244258 A CN 201610244258A CN 105756675 B CN105756675 B CN 105756675B
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000010779 crude oil Substances 0.000 claims abstract description 186
- 239000003921 oil Substances 0.000 claims abstract description 91
- WDWCNEBLQHCZHC-UHFFFAOYSA-N 1,2,3,4,4a,5a-hexahydrodibenzothiophene Chemical compound C1=CC=CC2SC(CCCC3)C3=C21 WDWCNEBLQHCZHC-UHFFFAOYSA-N 0.000 claims abstract description 89
- 230000000704 physical effect Effects 0.000 claims abstract description 6
- 238000001819 mass spectrum Methods 0.000 claims description 35
- RXCSKLDEJOBITB-UHFFFAOYSA-N 1-ethyl-1,2,3,4,4a,5a-hexahydrodibenzothiophene Chemical class C(C)C1CCCC2SC3C(=C21)C=CC=C3 RXCSKLDEJOBITB-UHFFFAOYSA-N 0.000 claims description 6
- DSHUNKGULBGQDV-UHFFFAOYSA-N 1-methyl-1,2,3,4,4a,5a-hexahydrodibenzothiophene Chemical class CC1CCCC2SC3C(=C21)C=CC=C3 DSHUNKGULBGQDV-UHFFFAOYSA-N 0.000 claims description 6
- 238000004949 mass spectrometry Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- -1 propyl hexahydro dibenzothiophenes Chemical class 0.000 claims description 6
- OHZAHWOAMVVGEL-UHFFFAOYSA-N 2,2'-bithiophene Chemical compound C1=CSC(C=2SC=CC=2)=C1 OHZAHWOAMVVGEL-UHFFFAOYSA-N 0.000 claims description 2
- OTEKOJQFKOIXMU-UHFFFAOYSA-N 1,4-bis(trichloromethyl)benzene Chemical compound ClC(Cl)(Cl)C1=CC=C(C(Cl)(Cl)Cl)C=C1 OTEKOJQFKOIXMU-UHFFFAOYSA-N 0.000 claims 1
- IYYZUPMFVPLQIF-ALWQSETLSA-N dibenzothiophene Chemical class C1=CC=CC=2[34S]C3=C(C=21)C=CC=C3 IYYZUPMFVPLQIF-ALWQSETLSA-N 0.000 claims 1
- 238000005553 drilling Methods 0.000 abstract description 9
- 238000011161 development Methods 0.000 abstract description 7
- 238000012360 testing method Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- 150000002500 ions Chemical class 0.000 description 11
- 239000007789 gas Substances 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 6
- 238000001269 time-of-flight mass spectrometry Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000010884 ion-beam technique Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- FCEHBMOGCRZNNI-UHFFFAOYSA-N 1-benzothiophene Chemical compound C1=CC=C2SC=CC2=C1 FCEHBMOGCRZNNI-UHFFFAOYSA-N 0.000 description 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004817 gas chromatography Methods 0.000 description 2
- 238000000769 gas chromatography-flame ionisation detection Methods 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003027 oil sand Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 241001596784 Pegasus Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 125000006267 biphenyl group Chemical group 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 150000001793 charged compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- IYYZUPMFVPLQIF-UHFFFAOYSA-N dibenzothiophene Chemical class C1=CC=C2C3=CC=CC=C3SC2=C1 IYYZUPMFVPLQIF-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 125000001033 ether group Chemical group 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
The invention provides a method and a device for determining an oil reservoir type, wherein the method comprises the following steps: fitting to obtain a relational expression between the content concentration of hexahydro dibenzothiophene homologues in a crude oil sample in a reference work area and the physical property parameters of the crude oil sample; obtaining physical property parameters in the crude oil sample in the target work area according to the fitting relational expression and the content concentration of the hexahydro dibenzothiophene series homologues in the crude oil sample in the target work area; and finally, determining the oil reservoir type of the crude oil sample in the target work area according to the physical property parameters of the crude oil sample in the target work area. In the embodiment of the invention, the new method for drilling, testing and testing the oil field is formed by quickly determining the type of the oil reservoir, so that the exploration cost is saved, the scale benefit development is realized, the oil and gas reservoir in the region without drilling the well is conveniently and quickly predicted, and a new method technology is provided for quickly and efficiently predicting the oil and gas properties and finding a new oil field, thereby guiding the exploration and development.
Description
Technical field
The present invention relates to oil exploration technology field, in particular to the determination method and apparatus of a kind of Oil Reservoir Types.
Background technique
Currently, petroleum resources increasingly in poor quality, viscous crude, oil-sand or even deep layer are thick with the raising of oil exploration degree
One of the main object that oil is increasingly taken seriously, and is increasingly becoming exploration.
However, the petroleum resources such as viscous crude, oil-sand or even deep-layer heavy crude often coexist with conventional gas and oil resource.For example, thick
Oil distribution area may preserve normal oil reservoir；In deep layer exploration area, a large amount of heavy crude reservoirs may be preserved.Therefore, how to predict
Oil gas quality and Oil Reservoir Types are the problems that current oil-gas exploration faces.
Under normal circumstances, a series of crude oil samples can be acquired by drilling well, and in the physico of laboratory testing crude oil
It learns property and finally determines oil gas quality and Oil Reservoir Types according to the physicochemical properties parameter of the crude oil detected.But
It is when determining Oil Reservoir Types using this method, to need to take carrying out analysis detection again after multiple samples and wait counting by many drilling wells
According to ability after stabilization it was determined that lacking the predicting function to non-drilling well Region of Oil-gas hiding；Meanwhile manual operations is many and diverse, it is acquired
Various parameters especially crude oil physical parameter error it is big, and the period is long.
It is above-mentioned how oil reservoir prediction type aiming at the problem that, currently no effective solution has been proposed.
Summary of the invention
The embodiment of the invention provides a kind of determination method and apparatus of Oil Reservoir Types, to solve oil reservoir class in the prior art
The forecasting problem of type.
The embodiment of the invention provides a kind of determination methods of Oil Reservoir Types, comprising: obtains with reference to crude oil sample in work area
The content concn of middle hexahydro Dibenzothiophene series homologue；Obtain the physical parameter with reference to crude oil sample in work area；It is right
It is described with reference to the content concn of hexahydro Dibenzothiophene series homologue in crude oil sample in work area and described with reference in work area
The physical parameter of crude oil sample is fitted, obtain hexahydro Dibenzothiophene series homologue content concn and physical parameter it
Between fit correlation formula；Obtain the content concn of hexahydro Dibenzothiophene series homologue in crude oil sample in target work area；Root
According to the content concn of hexahydro Dibenzothiophene series homologue in crude oil sample in the fit correlation formula and the target work area,
The physical parameter of crude oil sample in the target work area is calculated；According to the physical property ginseng of crude oil sample in the target work area
Number, determines the Oil Reservoir Types of crude oil sample in the target work area.
In one embodiment, according to the physical parameter of crude oil sample in the target work area, the target work area is determined
The Oil Reservoir Types of interior crude oil sample, comprising: according to the physical parameter of crude oil sample in the target work area, determine the target work
The oil reservoir concentration of crude oil sample in area.
In one embodiment, the hexahydro Dibenzothiophene series homologue includes at least one of: methyl hexahydro
Dibenzothiophenes, ethyl hexahydro dibenzothiophenes and propyl hexahydro dibenzothiophenes.
In one embodiment, the content with reference to hexahydro Dibenzothiophene series homologue in crude oil sample in work area is obtained
Concentration, comprising: be analyzed by mass spectrometry processing with reference to crude oil sample in work area to described, obtain described with reference to crude oil sample in work area
Information in Mass Spectra；Hexahydro dibenzothiophenes in crude oil sample is determined from the Information in Mass Spectra with reference to crude oil sample in work area
The Information in Mass Spectra of homologous series object；According to the Information in Mass Spectra of hexahydro Dibenzothiophene series homologue in the crude oil sample to institute
It states hexahydro Dibenzothiophene series homologue in crude oil sample and carries out structure recognition, determine in the work area six in crude oil sample
The content concn of diphenyl hydrogen bithiophene homologous series object.
In one embodiment, the physical parameter of the crude oil sample includes: the density of crude oil sample.
In one embodiment, the fit correlation formula indicates are as follows:
Y=48.073x2-85.512x+37.948
Wherein, y indicates the density of the crude oil sample, and x indicates that hexahydro Dibenzothiophene series are same in the crude oil sample
It is the content concn of object.
The embodiment of the invention provides a kind of determining devices of Oil Reservoir Types, comprising: the first content concn obtains module, uses
In acquisition with reference to the content concn of hexahydro Dibenzothiophene series homologue in crude oil sample in work area；Physical parameter obtains mould
Block, for obtaining the physical parameter with reference to crude oil sample in work area；Fitting module, for crude oil in the reference work area
The content concn of hexahydro Dibenzothiophene series homologue and the physical parameter with reference to crude oil sample in work area in sample
It is fitted, obtains the fit correlation formula between the content concn and physical parameter of hexahydro Dibenzothiophene series homologue；The
Two content concns obtain module, for obtaining the content of hexahydro Dibenzothiophene series homologue in crude oil sample in target work area
Concentration；Physical parameter computing module, for according to hexahydro two in crude oil sample in the fit correlation formula and the target work area
The physical parameter of crude oil sample in the target work area is calculated in the content concn of benzothiophene homologous series object；Oil reservoir class
Type determining module determines crude oil sample in the target work area for the physical parameter according to crude oil sample in the target work area
The Oil Reservoir Types of product.
In one embodiment, the Oil Reservoir Types determining module includes: oil reservoir concentration determination unit, for according to
The physical parameter of crude oil sample in target work area determines the oil reservoir concentration of crude oil sample in the target work area.
In one embodiment, the hexahydro Dibenzothiophene series homologue includes at least one of: methyl hexahydro
Dibenzothiophenes, ethyl hexahydro dibenzothiophenes and propyl hexahydro dibenzothiophenes.
In one embodiment, it includes: the first Information in Mass Spectra acquiring unit that first content concn, which obtains module, is used for
It is analyzed by mass spectrometry processing with reference to crude oil sample in work area to described, obtains the mass spectrum letter with reference to crude oil sample in work area
Breath；Second Information in Mass Spectra acquiring unit, for determining crude oil sample from the Information in Mass Spectra with reference to crude oil sample in work area
The Information in Mass Spectra of hexahydro Dibenzothiophene series homologue in product；Homologue concentration determination unit, for according to the crude oil sample
The Information in Mass Spectra of hexahydro Dibenzothiophene series homologue is to hexahydro Dibenzothiophene series homology in the crude oil sample in product
Object carries out structure recognition, determines the content concn of hexahydro Dibenzothiophene series homologue in crude oil sample in the work area.
In embodiments of the present invention, the hexahydro Dibenzothiophene series homologue in crude oil sample in reference work area is utilized
The physical parameter of content concn and crude oil sample, fitting obtain relational expression between the two；Further according to fit correlation formula and
In target work area in crude oil sample hexahydro Dibenzothiophene series homologue content concn, obtain crude oil sample in target work area
In physical parameter；Finally, determining the oil of crude oil sample in target work area according to the physical parameter of crude oil sample in target work area
Hide type.This method is easy to operate, and it is possible to conveniently be predicted the oil-gas reservoir in non-drilling well area.By fast
Speed determines Oil Reservoir Types, forms corresponding matched drilling well, well testing and formation testing new method, has saved exploration cost, realized scale
Benefit development for rapidly and efficiently predicting oil/gas property and discovers new oil fields and provides new method and technique, to instruct exploration and development.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, not
Constitute limitation of the invention.In the accompanying drawings:
Fig. 1 is the flow chart of the determination method of the Oil Reservoir Types of the embodiment of the present invention；
Fig. 2 is a kind of structural block diagram of the determining device of the Oil Reservoir Types of the embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, right below with reference to embodiment and attached drawing
The present invention is described in further details.Here, exemplary embodiment and its explanation of the invention is used to explain the present invention, but simultaneously
It is not as a limitation of the invention.
In view of determining research defect when Oil Reservoir Types in the prior art, inventor is using in crude oil sample in work area
Particular molecule compound, that is, content concn of hexahydro Dibenzothiophene series homologue and the physical parameter of crude oil sample, fitting
Relational expression between the two is obtained, so that it is determined that the Oil Reservoir Types of target work area crude oil sample finally instruct exploration and development.
Specifically, in this example, a kind of determination method of Oil Reservoir Types is provided, as shown in Figure 1, may include following step
It is rapid:
Step 101: obtaining the content concn with reference to hexahydro Dibenzothiophene series homologue in crude oil sample in work area；
In the present embodiment, the available content with reference to hexahydro Dibenzothiophene series homologue in crude oil sample is dense
It spends, specifically, may include:
S1: being analyzed by mass spectrometry processing with reference to crude oil sample in work area to described, obtains described with reference to crude oil sample in work area
The Information in Mass Spectra of product；
Mass spectrography refers to using electric and magnetic fields, by the ion of movement, such as: electrically charged atom, molecule or molecule are broken
Piece has molecular ion, isotope ion, fragment ion, rearrangement ion, multiple-charged ion, metastable ion, anion and ion-
The ion that interaction of molecules generates, the method detected after the mass-to-charge ratio separation by them.Further, mass spectral analysis refers to
Be to ionize each composition of hexahydro Dibenzothiophene series homologue in crude oil sample in an ion source, generate not
With the positively charged ion of charge-mass ratio, the effect of accelerated electric field forms ion beam, into mass-synchrometer.In quality point
In analyzer, electric and magnetic fields are recycled to make the ion beam that opposite velocity dispersion occur, and they are focused respectively and obtains mass spectrum
Figure, finally determines the quality of the ion beam.
In the present embodiment, using the comprehensive two dimensional gas chromatography of Leco company, U.S. production-flight time high-precision
Mass spectrograph (GC × GC-TOFMS) to carry out crude oil sample the identification and identification of compound.It is important to note, however, that should
Specific embodiment does not constitute improper limitations of the present invention just for the sake of the present invention is better described.
In practical applications, GC × GC-TOFMS can be arranged as follows: the 50m that one-dimensional chromatographic column is Petro ×
0.2mm × 0.5 μm, temperature program: then 35 DEG C of holding 0.2min are raised to 210 DEG C with the rate of 1.5 DEG C/min and keep
0.2min, then 300 DEG C of holding 20min are raised to the rate of 2 DEG C/min.3m × 0.1mm that Two way chromatograms column is DB-17HT ×
0.1 μm, temperature program: then 40 DEG C of holding 20min are raised to 215 DEG C with the rate of 1.5 DEG C/min and keep 0.2min, then with 2
DEG C/rate of min is raised to 305 DEG C of holding 20min, modulator temperature setting is 345 DEG C.Injector temperature is 300 DEG C, is diverted into
Original mold formula, split ratio 700:1, sample volume are 0.5 μ L.Using helium as carrier gas, flow rate set 1.5ml/min.Modulation period
For 10s, wherein the hot blow time is 2.5s.In terms of mass spectrum, transmission line and ion source temperature are respectively set to 300 DEG C and 240 DEG C,
Detector voltage 1600V, 40~520amu of mass scan range, 100 spectrograms of acquisition rate/second, solvent delay time are 0min.
Above-mentioned crude oil sample can be the production well from the same oil field.Wherein, the type of crude oil sample can wrap
It includes: a complete sequence such as heavy crude, viscous crude, middle matter is oily, normal oil.
It in embodiments of the present invention, can be using GC × GC-TOFMS with above-mentioned setting of U.S. Leco company production
To carry out above-mentioned crude oil sample the identification and identification of compound.Identified discovery, there are content not equal sulphur in crude oil sample
Hexahydro dibenzothiophenes (the H of ether structure type6DBTs) homologous series object, they carry a large amount of reservoir information.
S2: hexahydro dibenzothiophenes in crude oil sample is determined from the Information in Mass Spectra with reference to crude oil sample in work area
The Information in Mass Spectra of homologous series object；
In general, our structure is similar, molecular compositions differ several " CH2" organic compound of atomic group mutually matches
For homologue.Wherein, the hexahydro Dibenzothiophene series homologue may include at least one of: methyl hexahydro dibenzo
Thiophene, ethyl hexahydro dibenzothiophenes, propyl hexahydro dibenzothiophenes.
Specifically, it can be applied when the Information in Mass Spectra of hexahydro Dibenzothiophene series homologue in detecting crude oil sample
ChromaTOF software identifies that GC × GC-FID is to hexahydro dibenzo to the structure of hexahydro Dibenzothiophene series homologue
Thiophene homologous series object carries out quantitative detecting analysis, so as to provide the quantitative data of molecular compound content.Wherein, complete two
Gas chromatography system (GC × GC) is tieed up by being furnished with the Agilent 7890A gas chromatograph of flame ionization ditector (FID)
With the cold and hot modulator composition of double spouts；The work station of time of-flight mass spectrometer (TOFMS) is ChromaTOF software, is referred specifically to
It is the Pegasus 4D of Leco company, U.S. production.
In the present embodiment, in utilization GC × GC-TOFMS to the hexahydro Dibenzothiophene series homologue in crude oil sample
Information in Mass Spectra when being detected, can be arranged as follows: one-dimensional chromatographic column is 50m × 0.2mm × 0.5 μm of Petro, is risen
Warm program: then 35 DEG C of holding 0.2min are raised to 210 DEG C with the rate of 1.5 DEG C/min and keep 0.2min, then with 2 DEG C/min
Rate be raised to 300 DEG C of holding 20min.Two way chromatograms column is 3m × 0.1mm × 0.1 μm of DB-17HT, temperature program: 40 DEG C
20min is kept, then 215 DEG C is raised to the rate of 1.5 DEG C/min and keeps 0.2min, then be raised to 305 with the rate of 2 DEG C/min
DEG C keep 20min, modulator temperature setting be 345 DEG C.Injector temperature is 300 DEG C, split sampling mode, split ratio 700:
1, sample volume is 0.5 μ L.Helium, hydrogen, air flow velocity be respectively set as 23ml/min, 60ml/min and 400ml/min.
Modulation period is 10s, wherein the hot blow time is 2.5s.In terms of mass spectrum, transmission line and ion source temperature are respectively set to 300 DEG C
With 240 DEG C, detector temperature be 310 DEG C, detector voltage 1600V, 40~520amu of mass scan range, acquisition rate
200 spectrograms/second, solvent delay time are 9min.
S3: according to the Information in Mass Spectra of hexahydro Dibenzothiophene series homologue in the crude oil sample to the crude oil sample
Middle hexahydro Dibenzothiophene series homologue carries out structure recognition, determines described with reference to hexahydro dibenzothiophenes in crude oil sample
The content concn of homologous series object.
In the present embodiment, quantitative detection can be carried out to hexahydro Dibenzothiophene series homologue using GC × GC-FID
Analysis, so as to provide the quantitative data of molecular compound content.
Step 102: obtaining the physical parameter with reference to crude oil sample in work area；
Specifically, the physical parameter of crude oil sample includes: the density of crude oil sample.It can be seen from the experiment that crude oil sample is close
Other physical parameters such as degree specific viscosity can more reflect Oil Reservoir Types, and be in particular in: when being tested repeatedly, density is more steady
It is fixed；Secondly, density can accurately represent the fluid properties of oil reservoir.Therefore, the physical parameter of crude oil sample is handled
When, it can be replaced with the density of crude oil sample.It is important to note, however, that replacing physical property to join with the density of crude oil sample
Number is handled, it is only for the present invention is better described, does not constitute improper limitations of the present invention.
In the present embodiment, a complete sequences such as oily, the normal oil of heavy crude in work area, viscous crude, middle matter can be extracted
Crude oil sample density.
Step 103: to the content concn with reference to hexahydro Dibenzothiophene series homologue in crude oil sample in work area
And the physical parameter with reference to crude oil sample in work area is fitted, and obtains containing for hexahydro Dibenzothiophene series homologue
Measure the fit correlation formula between concentration and physical parameter；
Select hexahydro Dibenzothiophene series homologue, wherein the content concn and crude oil biological of these compounds are degraded
Degree, that is, crude oil sample physical parameter is in approximate exponential relationship.With this information, can determine crude oil biological palliating degradation degree with
And reservoir properties.
Specifically, normal oil reservoir is free of hexahydro Dibenzothiophene series homologue, with the raising of biodegradation intensity,
Not only type is abundant for hexahydro Dibenzothiophene series homologue, but also content concn is increased with exponential relationship；In heavy crude,
The content concn of hexahydro Dibenzothiophene series homologue is extremely abundant.Data can be analyzed according to these, it will with interpolation method
The physical parameter of the content concn of hexahydro Dibenzothiophene series homologue and crude oil sample carries out in crude oil sample in work area
Fitting.Wherein, the related coefficient of the physical parameter of the content concn and crude oil sample of hexahydro Dibenzothiophene series homologue can
To reach 0.95 or more, effective fit correlation formula can will be determined as by obtained formula at this time.
Interpolation method is also known as " interpolation method ", if referring specifically to be inserted into the function done in certain section using function f (x)
Value, and specific function appropriate is made, given value is taken on these aspects, with the value of these specific functions on other aspects in section
Approximation as function f (x).
Establish the pass of the content concn of hexahydro Dibenzothiophene series homologue and oil property in crude oil sample in work area
It is formula, it may be assumed that by extracting the physical parameter of crude oil sample, then the content concn with hexahydro Dibenzothiophene series homologue is built
Vertical fit correlation formula.With the density data and hexahydro Dibenzothiophene series homologue of the crude oil sample that interpolation method is fitted
Relational expression between content concn is as follows:
Y=48.073x2-85.512x+37.948
Wherein, y indicates the density data of the crude oil sample, and x indicates hexahydro dibenzothiophenes system in the crude oil sample
The content concn of column homologue.
Step 104: obtaining the content concn of hexahydro Dibenzothiophene series homologue in crude oil sample in target work area；
Specifically, with hexahydro dibenzothiophenes system in crude oil sample in the method acquisition target work area of similar step 101
The content concn of column homologue.
Step 105: according to hexahydro dibenzothiophenes system in crude oil sample in the fit correlation formula and the target work area
The physical parameter of crude oil sample in the target work area is calculated in the content concn of column homologue；
On the basis of obtaining above-mentioned fit correlation formula, according in crude oil sample in the fit correlation formula and target work area
The content concn of hexahydro Dibenzothiophene series homologue, the physical parameter of crude oil sample in available target work area are that is, former
The density of oil samples.
Step 106: according to the physical parameter of crude oil sample in the target work area, determining crude oil sample in the target work area
The Oil Reservoir Types of product.
In the present embodiment, the target work area can be determined according to the physical parameter in crude oil sample in target work area
The oil reservoir concentration of interior crude oil sample.Specifically, the oil reservoir of crude oil sample in target work area can be divided into according to oil reservoir concentration
Following four type: special thick oil hiding, heavy crude reservoir, biological slight degradation oil reservoir and normal oil reservoir.Successively detect these four classes
The content concn of hexahydro Dibenzothiophene series homologue in the crude oil sample of type is it is found that hexahydro dibenzo thiophene in crude oil sample
The content concn of pheno homologous series object is lower, and crude quality is better.
It is as follows by the density of the obtained crude oil sample of step 105 and the relationship of Oil Reservoir Types:
As y < 0.87, the oil reservoir is normal oil reservoir；
As 0.87 < y < 0.92, the oil reservoir is biological slight degradation oil reservoir；
As 0.92 < y < 0.95, the oil reservoir is heavy crude reservoir；
As y > 0.95, the oil reservoir is heavy crude reservoir.
Therefore, in the present embodiment, oil reservoir class can be determined according to the density of crude oil sample in acquired target work area
Type.
Based on the same inventive concept, a kind of determining device of Oil Reservoir Types is additionally provided in the embodiment of the present invention, it is such as following
Embodiment described in.Since the principle that the determining device of Oil Reservoir Types solves the problems, such as is similar to the determination method of Oil Reservoir Types, because
The implementation of the determining device of this Oil Reservoir Types may refer to the implementation of the determination method of Oil Reservoir Types, and overlaps will not be repeated.
Used below, the combination of the software and/or hardware of predetermined function may be implemented in term " unit " or " module ".Although with
Device described in lower embodiment is preferably realized with software, but the combined realization of hardware or software and hardware
It may and be contemplated.Fig. 2 is a kind of structural block diagram of the determining device of the Oil Reservoir Types of the embodiment of the present invention, such as Fig. 2 institute
Show, comprising: the first content concn obtains module 201, physical parameter obtains module 202, fitting module 203, the second content concn
Module 204, physical parameter computing module 205, Oil Reservoir Types determining module 206 are obtained, the structure is illustrated below.
First content concn obtains module 201, for obtaining with reference to hexahydro dibenzothiophenes system in crude oil sample in work area
The content concn of column homologue；
Physical parameter obtains module 202, for obtaining the physical parameter with reference to crude oil sample in work area；
Fitting module 203, for described with reference to hexahydro Dibenzothiophene series homologue in crude oil sample in work area
Content concn and the physical parameter with reference to crude oil sample in work area are fitted, and it is same to obtain hexahydro Dibenzothiophene series
It is the fit correlation formula between the content concn of object and physical parameter；
Second content concn obtains module 204, for obtaining in target work area hexahydro dibenzothiophenes system in crude oil sample
The content concn of column homologue；
Physical parameter computing module 205, for according in crude oil sample in the fit correlation formula and the target work area
The physical parameter of crude oil sample in the target work area is calculated in the content concn of hexahydro Dibenzothiophene series homologue；
Oil Reservoir Types determining module 206, for the physical parameter according to crude oil sample in the target work area, determine described in
The Oil Reservoir Types of crude oil sample in target work area.
In one embodiment, the Oil Reservoir Types determining module includes: oil reservoir concentration determination unit, for according to
The physical parameter of crude oil sample in target work area determines the oil reservoir concentration of crude oil sample in the target work area.
In one embodiment, the hexahydro Dibenzothiophene series homologue includes at least one of: methyl hexahydro
Dibenzothiophenes, ethyl hexahydro dibenzothiophenes and propyl hexahydro dibenzothiophenes.
In one embodiment, it includes: the first Information in Mass Spectra acquiring unit that first content concn, which obtains module, is used for
It is analyzed by mass spectrometry processing with reference to crude oil sample in work area to described, obtains the mass spectrum letter with reference to crude oil sample in work area
Breath；Second Information in Mass Spectra acquiring unit, for determining crude oil sample from the Information in Mass Spectra with reference to crude oil sample in work area
The Information in Mass Spectra of hexahydro Dibenzothiophene series homologue in product；Homologue concentration determination unit, for according to the crude oil sample
The Information in Mass Spectra of hexahydro Dibenzothiophene series homologue is to hexahydro Dibenzothiophene series homology in the crude oil sample in product
Object carries out structure recognition, determines the content concn of hexahydro Dibenzothiophene series homologue in crude oil sample in the work area.
In one embodiment, the physical parameter of the crude oil sample includes: the density of crude oil sample.
In one embodiment, between the content concn and physical parameter of the hexahydro Dibenzothiophene series homologue
Fit correlation formula indicates are as follows:
Y=48.073x2-85.512x+37.948
Wherein, y indicates the density of the crude oil sample, and x indicates that hexahydro Dibenzothiophene series are same in the crude oil sample
It is the content concn of object.
It can be seen from the above description that the embodiment of the present invention realizes following technical effect: using with reference in work area
The content concn of hexahydro Dibenzothiophene series homologue in crude oil sample and the physical parameter of crude oil sample, fitting obtain
Relational expression between the two；It is same further according to hexahydro Dibenzothiophene series in crude oil sample in fit correlation formula and target work area
It is the content concn of object, obtains the physical parameter in target work area in crude oil sample；Finally, according to crude oil sample in target work area
Physical parameter, determine the Oil Reservoir Types of crude oil sample in target work area.This method is easy to operate, and it is possible to non-drilling well
The oil-gas reservoir in area is conveniently predicted.By quickly determining Oil Reservoir Types, formed corresponding matched drilling well, well testing and
Formation testing new method, has saved exploration cost, realizes scale and benefit development, for rapidly and efficiently predicting oil/gas property and discovery fresh oil
Field provides new method and technique, to instruct exploration and development.
Obviously, those skilled in the art should be understood that each module of the above-mentioned embodiment of the present invention or each step can be with
It is realized with general computing device, they can be concentrated on a single computing device, or be distributed in multiple computing devices
On composed network, optionally, they can be realized with the program code that computing device can perform, it is thus possible to by it
Store and be performed by computing device in the storage device, and in some cases, can be held with the sequence for being different from herein
The shown or described step of row, perhaps they are fabricated to each integrated circuit modules or will be multiple in them
Module or step are fabricated to single integrated circuit module to realize.In this way, the embodiment of the present invention be not limited to it is any specific hard
Part and software combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the embodiment of the present invention can have various modifications and variations.All within the spirits and principles of the present invention, made
Any modification, equivalent substitution, improvement and etc. should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of determination method of Oil Reservoir Types characterized by comprising
Obtain the content concn with reference to hexahydro Dibenzothiophene series homologue in crude oil sample in work area；
Obtain the physical parameter with reference to crude oil sample in work area；
To described with reference to the content concn of hexahydro Dibenzothiophene series homologue and the reference in crude oil sample in work area
The physical parameter of crude oil sample is fitted in work area, obtains the content concn and physical property of hexahydro Dibenzothiophene series homologue
Fit correlation formula between parameter；
Obtain the content concn of hexahydro Dibenzothiophene series homologue in crude oil sample in target work area；
Contained according to hexahydro Dibenzothiophene series homologue in crude oil sample in the fit correlation formula and the target work area
Concentration is measured, the physical parameter of crude oil sample in the target work area is calculated；
According to the physical parameter of crude oil sample in the target work area, the oil reservoir class of crude oil sample in the target work area is determined
Type；
Wherein, the hexahydro Dibenzothiophene series homologue includes at least one of: methyl hexahydro dibenzothiophenes, ethyl
Hexahydro dibenzothiophenes and propyl hexahydro dibenzothiophenes.
2. the method as described in claim 1, which is characterized in that according to the physical parameter of crude oil sample in the target work area,
Determine the Oil Reservoir Types of crude oil sample in the target work area, comprising:
According to the physical parameter of crude oil sample in the target work area, determine that the oil reservoir of crude oil sample in the target work area is dense
Degree.
3. the method as described in claim 1, which is characterized in that obtain with reference to hexahydro dibenzothiophenes in crude oil sample in work area
The content concn of homologous series object, comprising:
It is analyzed by mass spectrometry processing with reference to crude oil sample in work area to described, obtains the mass spectrum with reference to crude oil sample in work area
Information；
Determine that hexahydro Dibenzothiophene series are same in crude oil sample from the Information in Mass Spectra with reference to crude oil sample in work area
It is the Information in Mass Spectra of object；
According to the Information in Mass Spectra of hexahydro Dibenzothiophene series homologue in the crude oil sample to hexahydro in the crude oil sample
Dibenzothiophene series homologue carries out structure recognition, determines in the work area hexahydro Dibenzothiophene series in crude oil sample
The content concn of homologue.
4. the method as described in claim 1, which is characterized in that the physical parameter of the crude oil sample includes: crude oil sample
Density.
5. method as claimed in claim 4, which is characterized in that the fit correlation formula indicates are as follows:
Y=48.073x2-85.512x+37.948
Wherein, y indicates the density of the crude oil sample, and x indicates hexahydro Dibenzothiophene series homologue in the crude oil sample
Content concn.
6. a kind of determining device of Oil Reservoir Types characterized by comprising
First content concn obtains module, for obtaining with reference to hexahydro Dibenzothiophene series homologue in crude oil sample in work area
Content concn；
Physical parameter obtains module, for obtaining the physical parameter with reference to crude oil sample in work area；
Fitting module, for the content concn with reference to hexahydro Dibenzothiophene series homologue in crude oil sample in work area
And the physical parameter with reference to crude oil sample in work area is fitted, and obtains containing for hexahydro Dibenzothiophene series homologue
Measure the fit correlation formula between concentration and physical parameter；
Second content concn obtains module, for obtaining in target work area hexahydro Dibenzothiophene series homologue in crude oil sample
Content concn；
Physical parameter computing module, for according to hexahydro hexichol in crude oil sample in the fit correlation formula and the target work area
The physical parameter of crude oil sample in the target work area is calculated in the content concn of bithiophene homologous series object；
Oil Reservoir Types determining module determines the target work for the physical parameter according to crude oil sample in the target work area
The Oil Reservoir Types of crude oil sample in area；
Wherein, the hexahydro Dibenzothiophene series homologue includes at least one of: methyl hexahydro dibenzothiophenes, ethyl
Hexahydro dibenzothiophenes and propyl hexahydro dibenzothiophenes.
7. device as claimed in claim 6, which is characterized in that the Oil Reservoir Types determining module includes:
Oil reservoir concentration determination unit determines the target work for the physical parameter according to crude oil sample in the target work area
The oil reservoir concentration of crude oil sample in area.
8. device as claimed in claim 6, which is characterized in that first content concn obtains module and includes:
First Information in Mass Spectra acquiring unit obtains institute for being analyzed by mass spectrometry processing with reference to crude oil sample in work area to described
State the Information in Mass Spectra with reference to crude oil sample in work area；
Second Information in Mass Spectra acquiring unit, for determining crude oil sample from the Information in Mass Spectra with reference to crude oil sample in work area
The Information in Mass Spectra of hexahydro Dibenzothiophene series homologue in product；
Homologue concentration determination unit, for being believed according to the mass spectrum of hexahydro Dibenzothiophene series homologue in the crude oil sample
Breath carries out structure recognition to hexahydro Dibenzothiophene series homologue in the crude oil sample, determines crude oil sample in the work area
The content concn of hexahydro Dibenzothiophene series homologue in product.
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