CN110068877A - The quantitative evaluation method of terrigenous organic matter input - Google Patents
The quantitative evaluation method of terrigenous organic matter input Download PDFInfo
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- 239000005416 organic matter Substances 0.000 title claims abstract description 198
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000011158 quantitative evaluation Methods 0.000 title claims abstract description 16
- 239000011435 rock Substances 0.000 claims abstract description 47
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 34
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 34
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 34
- 238000013178 mathematical model Methods 0.000 claims abstract description 24
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims abstract description 15
- 238000000197 pyrolysis Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 11
- 239000001257 hydrogen Substances 0.000 claims description 11
- 229910052739 hydrogen Inorganic materials 0.000 claims description 11
- 241000196324 Embryophyta Species 0.000 claims description 7
- 238000011156 evaluation Methods 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 125000005587 carbonate group Chemical group 0.000 claims description 3
- 230000029553 photosynthesis Effects 0.000 claims description 3
- 238000010672 photosynthesis Methods 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 2
- 239000003208 petroleum Substances 0.000 abstract description 5
- 230000000155 isotopic effect Effects 0.000 abstract description 2
- 240000000233 Melia azedarach Species 0.000 description 15
- 239000007789 gas Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
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Abstract
The present invention relates to a kind of quantitative evaluation methods of terrigenous organic matter input, belong to petroleum resources geological prospecting and resource assessment technical field.The present invention is the following steps are included: establish indigenous organic matter and terrigenous organic matter ratio plate;It constructs original place productivity and evaluates mathematical model;It constructs terrigenous organic matter and inputs quantitative assessment mathematical model;The present invention specifies different type organic matter ratio, secondly utilizes carbonate in hydrocarbon source rock by establishing indigenous organic matter and terrigenous organic matter ratio plate using hydrocarbon source rock pyrolysis parameters of rock13C isotopic data constructs original place productivity quantitative assessment mathematical model, and quantitative assessment indigenous organic matter realizes the quantitative assessment of terrigenous organic matter input finally according to the quantitative assessment result and indigenous organic matter of indigenous organic matter and terrigenous organic matter ratio;Comprehensively consider a variety of geologic(al) factors, can satisfy the precise requirements of terrigenous organic matter input quantitative assessment, petroleum resources geological prospecting and resource assessment field can be widely used in.
Description
Technical field
The present invention relates to a kind of quantitative evaluation methods of terrigenous organic matter input, belong to petroleum resources geological prospecting and resource
Assessment technique field.
Background technique
Hydrocarbon source rock is the material base of oil-gas generation, and hydrocarbon source rock forms research has weight in oil-gas exploration and resource assessment
Want meaning.Terrigenous organic matter input quantity is to influence an important factor for hydrocarbon source rock is formed, especially in Lacustrine Basins, terrigenous organic matter
It is the key factor to form hydrocarbon source rock.However, an important factor for as hydrocarbon source rock formation is influenced, about terrigenous organic matter input
Research is chronically at the qualitative description stage, lags far behind Oil-gas Exploration Practice, this undoubtedly hampers hydrocarbon source rock research and oil gas is surveyed
It visits.
Terrigenous organic matter input quantity is influenced by factors, including geologic climate, tectonic movement, material resource distance and lake face
Product etc..Since influence factor is more, and each factor quantitative forecast difficulty is big, and it is defeated to be difficult to realize terrigenous organic matter by " forward modeling "
Enter the quantitative forecast of amount, so being constantly in the stage of qualitative forecasting for a long time.
Summary of the invention
In view of the foregoing defects the prior art has, the invention proposes a kind of quantitative assessment sides of terrigenous organic matter input
Method comprehensively considers a variety of geologic(al) factors, can satisfy the precise requirements of terrigenous organic matter input quantitative assessment.
The quantitative evaluation method of terrigenous organic matter input of the present invention, comprising the following steps:
S1: indigenous organic matter and terrigenous organic matter ratio plate, including following small step are established:
S11: according to source rock sample pyrolysis parameters of rock top temperature (Tmax) and hydrogen index (HI) (HI=S2/ TOC), it draws organic
Matter type identification plate;
S12: it defines organic matter in the highest sample of hydrogen index (HI) and all derives from original place aquatile, i.e. terrigenous organic matter ratio
Example is 0, defines organic matter in the minimum sample of hydrogen index (HI) and all derives from Lu Yuan, i.e. terrigenous organic matter ratio is 100%, is passed through
The method of equidistant interpolation establishes terrigenous organic matter and indigenous organic matter ratio plate;
S2: building original place productivity quantitative assessment mathematical model, including following small step:
S21: in view of phytoplankton can preferential absorption in photosynthesis in water body12C, so as to cause in water body13C is opposite to be enriched with, when phytoplankton is broken out, i.e., productivity is higher, in water body13C enrichment, therefore think contained carbonic acid in hydrocarbon source rock
The δ of salt13The height of C content reflects original place paleoproductivity, the δ of carbonate13C value is bigger, and paleoproductivity is bigger;
S22: building original place productivity figure of merit model are as follows:
PI=(δ13CMeasured value-δ13Cmin)/(δ13Cmax-δ13Cmin)
In formula: PIFor original place productivity index, δ13CMeasured valueFor sample carbonate13C relative abundance;δ13CminFor all samples
δ13The minimum value of C;δ13CmaxFor all samples δ13The maximum value of C;PIDistribution is 0~1, and value is higher, original place productivity
It is bigger, pass through the mathematical model quantitative assessment original place productivity;
S3: building terrigenous organic matter inputs quantitative assessment mathematical model, including following small step:
S31: according to the ratio and original place productivity index of indigenous organic matter and terrigenous organic matter, terrigenous organic matter is constructed
Input quantitative assessment mathematical model are as follows:
LI=PI×(RL/RP)
In formula: LIIndex, P are inputted for terrigenous organic matterIFor original place productivity index, RPFor indigenous organic matter ratio, RLFor
Terrigenous organic matter ratio;LIValue is higher, and terrigenous organic matter input is bigger, can be organic with quantitative assessment Lu Yuan by the mathematical model
Matter input;
S32: original place productivity index numerical value, terrigenous organic matter ratio and indigenous organic matter ratio are brought into above-mentioned mould respectively
Type, the input of quantitative assessment terrigenous organic matter, the terrigenous organic matter input index acquired.
Further, in the step S11, Kerogen type reflects indigenous organic matter and terrigenous organic matter in hydrocarbon source rock
Ratio, wherein be mainly indigenous organic matter in I type kerogen, organic matter is mainly derived from the aquatile in lake;II type has
Machine matter comes from aquatile and Lu Yuan higher plant;III type organic matter is mainly from Lu Yuan higher plant.
Further, in the step S11, hydrocarbon source rock HI is higher in the identical situation of evolution level, organic matter type
Better, i.e. the ratio of indigenous organic matter is higher,;Hydrocarbon source rock HI is lower in the identical situation of evolution level, the type of organic matter
Poorer, i.e. the ratio of indigenous organic matter is lower.
Further, in the step S22, by hydrocarbon source rock each sample carbonate13It is organic that C relative abundance brings above-mentioned original place into
Matter productivity quantitative evalution model, seeks original place productivity index.
Further, in the step S31, terrigenous organic matter ratio is smaller, and organic matter type is said based on I and II type
Bright terrigenous organic matter input quantitative assessment result and hydrocarbon source rock organic matter type coincide preferably, show established terrigenous organic matter
The quantitative evaluation method of input has well adapting to property.
Further, in the step S32, the terrigenous organic matter input feature vector of difference recess is also significantly different, recess
Boundary fault scale and activity intensity are identical as the variation characteristic of terrigenous organic matter input quantity, also demonstrate this method evaluation result
Reliability.
The beneficial effects of the present invention are: the quantitative evaluation method of terrigenous organic matter input of the present invention, passes through utilization
Hydrocarbon source rock pyrolysis parameters of rock establishes indigenous organic matter and terrigenous organic matter ratio plate, specifies different type organic matter ratio, secondly
Utilize carbonate in hydrocarbon source rock13C isotopic data constructs original place productivity quantitative assessment mathematical model, and quantitative assessment original place is organic
Matter realizes Lu Yuanyou finally according to the quantitative assessment result and indigenous organic matter of indigenous organic matter and terrigenous organic matter ratio
The quantitative assessment of machine matter input;Comprehensively consider a variety of geologic(al) factors, can satisfy the accurate of terrigenous organic matter input quantitative assessment
It is required that petroleum resources geological prospecting and resource assessment field can be widely used in.
Detailed description of the invention
Fig. 1 is the principle of the present invention flow chart.
Fig. 2 is that indigenous organic matter ratio of the invention sentences knowledge figure.
Fig. 3 is that terrigenous organic matter ratio of the invention sentences knowledge figure.
Fig. 4 (a)-Fig. 4 (d) is respectively research area (Er'lian Basin) terrigenous organic matter input quantity histogram of the invention.
Specific embodiment
In order to which the object of the invention, technical solution is more clearly understood, below with reference to embodiment, the present invention is made further
It is described in detail.
As shown in Figure 1 to Figure 3, the quantitative evaluation method of terrigenous organic matter input of the present invention, includes the following steps:
Step S1: establishing indigenous organic matter and terrigenous organic matter ratio plate, is specially pyrolyzed and is joined according to source rock sample
Number top temperature (Tmax) and hydrogen index (HI) (HI=S2/ TOC), it draws organic matter type and differentiates plate;Define the highest sample of hydrogen index (HI)
Organic matter all derives from original place aquatile in product, i.e. terrigenous organic matter ratio is 0, and defining has in the minimum sample of hydrogen index (HI)
Machine matter all derives from Lu Yuan, i.e. terrigenous organic matter ratio is 100%, establishes terrigenous organic matter by the method for equidistant interpolation
With indigenous organic matter ratio plate.
Step S2: building original place productivity quantitative assessment mathematical model specially considers that phytoplankton is in light in water body
Closing can preferential absorption in mechanism12C, so as to cause in water body13C is opposite to be enriched with, when phytoplankton is broken out, i.e., productivity compared with
Gao Shi, in water body13C enrichment, therefore it is generally acknowledged that the carbonato δ of institute in hydrocarbon source rock13The height of C content can reflect original place Gu
Productivity, the δ of carbonate13C value is bigger, and paleoproductivity is bigger.Construct original place productivity figure of merit model are as follows:
PI=(δ13CMeasured value-δ13Cmin)/(δ13Cmax-δ13Cmin)
In formula: PIFor original place productivity index, δ13CMeasured valueFor sample carbonate13C relative abundance;δ13CminFor all samples
δ13The minimum value of C;δ13CmaxFor all samples δ13The maximum value of C.PIDistribution is 0~1, and value is higher, original place productivity
It is bigger, it can be with quantitative assessment original place productivity by the mathematical model.
Step S3: building terrigenous organic matter inputs quantitative assessment mathematical model, specially according to indigenous organic matter and Lu Yuan
The ratio and original place productivity index of organic matter, building terrigenous organic matter input quantitative assessment mathematical model are as follows:
LI=PI×(RL/RP)
In formula: LIIndex, P are inputted for terrigenous organic matterIFor original place productivity index, RPFor indigenous organic matter ratio, RLFor
Terrigenous organic matter ratio.LIValue is higher, and terrigenous organic matter input is bigger, can be organic with quantitative assessment Lu Yuan by the mathematical model
Matter input.
A specific embodiment presented below is next, and the present invention is further explained:
Embodiment 1:
(1) indigenous organic matter and terrigenous organic matter ratio plate are established:
Kerogen type reflects indigenous organic matter and terrigenous organic matter ratio in hydrocarbon source rock, it is considered that I type kerogen
In predominantly indigenous organic matter, organic matter is mainly derived from the aquatile in lake, such as algae and bacterium;II type organic matter
From aquatile and Lu Yuan higher plant;III type organic matter is mainly from Lu Yuan higher plant.
In this example study work area be Er'lian Basin A Er, crow in IELTS too, Saihantala and volume benevolence muir recess
Tenggeer Formation hydrocarbon source rock.According to Er'lian Basin source rock sample pyrolysis parameters of rock TmaxWith HI (S2/ TOC) it can determine that hydrocarbon source rock is dry
Junket root type.Hydrocarbon source rock HI is higher in the identical situation of evolution level, and organic matter type is better, i.e. the ratio of indigenous organic matter
It is higher, it can thus be assumed that organic matter all derives from lake basin aquatile, i.e. indigenous organic matter in the highest sample of hydrogen index (HI)
Ratio is 100%, and terrigenous organic matter ratio is 0;Hydrocarbon source rock HI is lower in the identical situation of evolution level, the type of organic matter
Poorer, i.e. the ratio of indigenous organic matter is lower, it can thus be assumed that the minimum sample organic matter of hydrogen index (HI) all derives from Lu Yuan
Higher plant, i.e. terrigenous organic matter ratio are 100%, and indigenous organic matter ratio is 0.Just with reference to Kerogen type line of demarcation trend
The boundary that can determine organic matter ratio 100% and 0 can determine the indigenous organic matter ratio of all samples by equidistant interpolation
Example and terrigenous organic matter ratio, to establish lake basin indigenous organic matter ratio and terrigenous organic matter ratio sentences knowledge plate, respectively such as
Shown in Fig. 2 and Fig. 3.Er'lian Basin source rock sample indigenous organic matter ratio (R is sought according to plateP) and terrigenous organic matter ratio
(RL) as shown in table 1.
Table 1: Er'lian Basin source rock sample indigenous organic matter ratio and terrigenous organic matter ratio table
(2) original place productivity quantitative assessment mathematical model is constructed:
Phytoplankton can preferential absorption in photosynthesis in water body12C, so as to cause in water body13C is opposite to be enriched with,
When phytoplankton is broken out, i.e., productivity is higher, in water body13C enrichment, therefore it is generally acknowledged that the carbonato δ of institute in hydrocarbon source rock13C
The height of content can reflect original place productivity, the δ of carbonate13C value is bigger, and original place productivity is bigger.
In order to characterize original place productivity size, Er'lian Basin source rock sample carbonate is determined13C abundance.In order to fixed
The size of amount evaluation original place paleoproductivity, defines indigenous organic matter productivity quantitative evalution model:
PI=(δ13CMeasured value-δ13Cmin)/(δ13Cmax-δ13Cmin)
In formula: PIFor original place productivity index, δ13CMeasured valueFor sample carbonate13C relative abundance;δ13CminFor all samples
δ13The minimum value of C;δ13CmaxFor all samples δ13The maximum value of C.PIDistribution is 0~1, and value is higher, original place productivity
It is bigger, it can be with quantitative assessment original place productivity by the mathematical model.
Er'lian Basin source rock sample carbonate13C relative abundance maximum value is 6.934 ‰, and minimum value is -6.193 ‰, is
It avoids the original place productivity index calculated result from extreme value 0 and 1 occur, takes research area13C relative abundance maximum value is 7 ‰, minimum value
It is -7 ‰.By Er'lian Basin hydrocarbon source rock each sample carbonate13C relative abundance brings above-mentioned indigenous organic matter productivity quantitative assessment into
Model seeks original place productivity index, as shown in table 1.
(3) building terrigenous organic matter inputs quantitative assessment mathematical model:
According to the ratio and original place productivity index of indigenous organic matter and terrigenous organic matter, terrigenous organic matter input is constructed
Quantitative assessment mathematical model are as follows:
LI=PI×(RL/RP)
In formula: LIIndex, P are inputted for terrigenous organic matterIFor original place productivity index, RPFor indigenous organic matter ratio, RLFor
Terrigenous organic matter ratio.LIValue is higher, and terrigenous organic matter input is bigger.It can be organic with quantitative assessment Lu Yuan by the mathematical model
Matter input.Bring original place productivity index numerical value, terrigenous organic matter ratio and indigenous organic matter ratio into above-mentioned model respectively, it is fixed
Amount evaluation terrigenous organic matter input, the Er'lian Basin terrigenous organic matter input index acquired is as shown in table 2, Er'lian Basin A Er,
Wu Liyasitai, volume benevolence muir and Saihantala totally four recess organic matt e r import index such as Fig. 4 (a), 4 (b), 4 (c), 4
(d) shown in.
Er'lian Basin terrigenous organic matter input constant interval is larger, and terrigenous organic matter input is at least S4 well, and Lu Yuan is organic
It is only 0.20 that matter, which inputs index, and terrigenous organic matter input is at most T11 well, and terrigenous organic matter inputs index up to 5.64, about
It is 30 times of minimum value.The terrigenous organic matter input feature vector of difference recess is also significantly different, A Er recess and Wuliyasitai Sag
It falling into and is located at Er'lian Basin northeast, terrigenous organic matter input is on the high side on the whole, and internal terrigenous organic matter input differs greatly, wherein
A Er recess terrigenous organic matter input exponential distribution range is 0.36~4.91, and the input of Wuliyasitai Sag terrigenous organic matter refers to
Number distribution is 0.37~5.64;Volume benevolence muir and Seidel coefficients are located at Er'lian Basin western part, terrigenous organic matter input
On the low side on the whole, internal terrigenous organic matter input difference is smaller, and wherein volume benevolence muir recess terrigenous organic matter inputs exponential distribution
Range is 0.79~2.08, and it is 0.20~1.92 that Seidel coefficients terrigenous organic matter, which inputs exponential distribution range,.
Analyze the discovery of Er'lian Basin hydrocarbon source rock organic matter type, the A Er recess and Wuliyasitai Sag hydrocarbon source rock of east
Terrigenous organic matter large percentage, organic matter type is based on II and III type, western volume benevolence muir and Seidel coefficients hydrocarbon source
Rock terrigenous organic matter ratio is smaller, organic matter type based on I and II type, illustrate terrigenous organic matter input quantitative assessment result with
Hydrocarbon source rock organic matter type coincide preferably, and it is preferable suitable to show that the quantitative evaluation method of established terrigenous organic matter input has
Ying Xing.In addition, Er'lian Basin east tectonic activity is significantly stronger than western part, the boundary fault scale of A Er and Wuliyasitai Sag
It is significantly greater than volume benevolence muir and Seidel coefficients with activity intensity, it is identical as the variation characteristic of terrigenous organic matter input quantity,
Demonstrate the reliability of this method evaluation result.
It present invention may be broadly applicable to petroleum resources geological prospecting and resource assessment field.
The foregoing is merely presently preferred embodiments of the present invention and oneself, not with the present invention for limitation, it is all in essence of the invention
Made impartial modifications, equivalent substitutions and improvements etc., should be included in patent covering scope of the invention within mind and principle.
Claims (6)
1. a kind of quantitative evaluation method of terrigenous organic matter input, which comprises the following steps:
S1: indigenous organic matter and terrigenous organic matter ratio plate, including following small step are established:
S11: according to source rock sample pyrolysis parameters of rock top temperature (Tmax) and hydrogen index (HI) (HI=S2/ TOC), draw organic matter type
Differentiate plate;
S12: it defines organic matter in the highest sample of hydrogen index (HI) and all derives from original place aquatile, is i.e. terrigenous organic matter ratio is
0, it defines organic matter in the minimum sample of hydrogen index (HI) and all derives from Lu Yuan, is i.e. terrigenous organic matter ratio is 100%, between waiting
Method away from interpolation establishes terrigenous organic matter and indigenous organic matter ratio plate;
S2: building original place productivity quantitative assessment mathematical model, including following small step:
S21: in view of phytoplankton can preferential absorption in photosynthesis in water body12C, so as to cause in water body13C is opposite
Enrichment, when phytoplankton is broken out, i.e., productivity is higher, in water body13C enrichment, therefore think the carbonato δ of institute in hydrocarbon source rock13The height of C content reflects original place paleoproductivity, the δ of carbonate13C value is bigger, and paleoproductivity is bigger;
S22: building original place productivity figure of merit model are as follows:
PI=(δ13CMeasured value-δ13Cmin)/(δ13Cmax-δ13Cmin)
In formula: PIFor original place productivity index, δ13CMeasured valueFor sample carbonate13C relative abundance;δ13CminFor all samples δ13C
Minimum value;δ13CmaxFor all samples δ13The maximum value of C;PIDistribution is 0~1, and value is higher, and original place productivity is bigger,
Pass through the mathematical model quantitative assessment original place productivity;
S3: building terrigenous organic matter inputs quantitative assessment mathematical model, including following small step:
S31: according to the ratio and original place productivity index of indigenous organic matter and terrigenous organic matter, terrigenous organic matter input is constructed
Quantitative assessment mathematical model are as follows:
LI=PI×(RL/RP)
In formula: LIIndex, P are inputted for terrigenous organic matterIFor original place productivity index, RPFor indigenous organic matter ratio, RLFor Lu Yuan
Organic matter ratio;LIValue is higher, and terrigenous organic matter input is bigger, can be defeated with quantitative assessment terrigenous organic matter by the mathematical model
Enter;
S32: bringing original place productivity index numerical value, terrigenous organic matter ratio and indigenous organic matter ratio into above-mentioned model respectively,
The input of quantitative assessment terrigenous organic matter, the terrigenous organic matter input index acquired.
2. the quantitative evaluation method of terrigenous organic matter input according to claim 1, which is characterized in that the step S11
In, Kerogen type reflects indigenous organic matter and terrigenous organic matter ratio in hydrocarbon source rock, wherein in I type kerogen predominantly
Indigenous organic matter, organic matter are mainly derived from the aquatile in lake;II type organic matter is from aquatile and Lu Yuangao etc.
Plant;III type organic matter is mainly from Lu Yuan higher plant.
3. the quantitative evaluation method of terrigenous organic matter input according to claim 1 or 2, which is characterized in that the step
In S11, hydrocarbon source rock HI is higher in the identical situation of evolution level, and organic matter type is better, i.e. the ratio of indigenous organic matter is got over
Height,;Hydrocarbon source rock HI is lower in the identical situation of evolution level, and the type of organic matter is poorer, i.e. the ratio of indigenous organic matter is got over
It is low.
4. the quantitative evaluation method of terrigenous organic matter input according to claim 1, which is characterized in that the step S22
In, by hydrocarbon source rock each sample carbonate13C relative abundance brings above-mentioned indigenous organic matter productivity quantitative evalution model into, seeks original
Ground productivity index.
5. the quantitative evaluation method of terrigenous organic matter input according to claim 1, which is characterized in that the step S31
In, terrigenous organic matter ratio is smaller, and organic matter type illustrates that terrigenous organic matter inputs quantitative assessment result based on I and II type
It coincide preferably with hydrocarbon source rock organic matter type, it is preferable to show that the quantitative evaluation method of established terrigenous organic matter input has
Adaptability.
6. the quantitative evaluation method of terrigenous organic matter input according to claim 1, which is characterized in that the step S32
In, the terrigenous organic matter input feature vector of difference recess is also significantly different, the boundary fault scale and activity intensity and Lu Yuan of recess
The variation characteristic of organic matt e r import amount is identical, also demonstrates the reliability of this method evaluation result.
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Cited By (2)
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CN110646843A (en) * | 2019-09-19 | 2020-01-03 | 中国石油大学(北京) | Method and device for determining organic matter distribution and network equipment |
CN118011523A (en) * | 2024-04-09 | 2024-05-10 | 中国石油大学(华东) | High-maturity gas source rock grading evaluation method and system based on hydrocarbon generation and drainage simulation |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN110646843A (en) * | 2019-09-19 | 2020-01-03 | 中国石油大学(北京) | Method and device for determining organic matter distribution and network equipment |
CN110646843B (en) * | 2019-09-19 | 2020-12-18 | 中国石油大学(北京) | Land source organic matter distribution determination method and device and network equipment |
CN118011523A (en) * | 2024-04-09 | 2024-05-10 | 中国石油大学(华东) | High-maturity gas source rock grading evaluation method and system based on hydrocarbon generation and drainage simulation |
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