CN107818517A - A kind of method for characterizing mining area oil shale oil resource abundance state - Google Patents
A kind of method for characterizing mining area oil shale oil resource abundance state Download PDFInfo
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- CN107818517A CN107818517A CN201610825156.2A CN201610825156A CN107818517A CN 107818517 A CN107818517 A CN 107818517A CN 201610825156 A CN201610825156 A CN 201610825156A CN 107818517 A CN107818517 A CN 107818517A
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- 239000004058 oil shale Substances 0.000 title claims abstract description 172
- 238000005065 mining Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 49
- 238000004458 analytical method Methods 0.000 abstract description 11
- 238000011065 in-situ storage Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000003079 shale oil Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010606 normalization Methods 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
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Abstract
The invention discloses a kind of method for characterizing mining area oil shale oil resource abundance state, methods described includes：The oil shale oil resource abundance is classified according to the distribution probability of the oil shale oil resource abundance, wherein, the distribution probability value of specific oil shale oil resource abundance value is the probable value that all mining area oil shale oil resource abundance values are more than or equal to the oil shale oil resource abundance value in resource area；The oil shale oil resource abundance rank in current mining area is determined according to measured data；The oil shale oil resource abundance state in the current mining area is characterized using the oil shale oil resource abundance rank in the current mining area.The method of the present invention waits frequency analysis method to be classified oil shale oil resource abundance, so as to characterize mining area oil shale oil resource abundance state by data statistic analysis, normalized.Compared to prior art, method of the invention not only has more excellent science and reasonability but also operation is simpler, result is more reasonable, applicability is wider.
Description
Technical field
The present invention relates to geologic development field, in particulars relate to a kind of side for characterizing mining area oil shale oil resource abundance state
Method.
Background technology
In energy extraction development field now, with the increase of environmental protection pressure, oil shale in-situ exploitation turns into future
Oil shale is commercialized the inevitable development trend of large scale mining.The utilization of oil shale are increasingly by the weight of countries in the world
Depending on.For the in-situ retorting of oil shale, in addition to having advanced production technique and technique, it is necessary to select suitable original position to open
The area adopted, i.e. selection and appraisal of exploration area.An important geologic assessment parameter is exactly oil shale in oil shale in-situ exploitation selection and appraisal of exploration area
Oily resource abundance, and the division of its good and bad degree and rank directly affects the selection and appraisal of exploration area of oil shale in-situ exploitation.
At present, strange land exploitation (bag of the division of oil shale resources abundance quality degree and rank primarily directed to oil shale
Include strip mining transformation, tunnel exploitation etc.) depending on, therefore, this division methods are not suitable for the oil shale of in-situ retorting, and it is divided
Object and division limits are different from.Therefore, mining area oil shale can not correctly be described based on original rank division method
Oily resource abundance state is, it is necessary to a kind of method of new sign mining area oil shale oil resource abundance state.
The content of the invention
The invention provides a kind of method for characterizing mining area oil shale oil resource abundance state, methods described includes：
The oil shale oil resource abundance is classified according to the distribution probability of the oil shale oil resource abundance, its
In, the distribution probability value of specific oil shale oil resource abundance value is all mining area oil shale oil resource abundance values in resource area
More than or equal to the probable value of the oil shale oil resource abundance value；
The oil shale oil resource abundance rank in current mining area is determined according to measured data；
The oil shale oil resource in the current mining area is characterized using the oil shale oil resource abundance rank in the current mining area
Abundance state.
In one embodiment, methods described includes：
Gather the oil shale oil resource abundance sample value in multiple different sample mining areas；
The probable value that all oil shale oil resource abundance sample values are more than a certain oil shale oil resource abundance value is calculated, by institute
State distribution probability value of the probable value as the oil shale oil resource abundance.
In one embodiment, the oil shale oil resource abundance sample value in multiple sample mining areas is gathered, wherein, at least gather 20
The oil shale oil resource abundance sample value in individual different sample mining areas.
In one embodiment, oil shale oil resource abundance value is determined according to multiple oil shale oil resource abundance sample values
Distribution probability, wherein：
All oil shale oil resource abundance sample value descendings are arranged and assign sequence number (1~N) successively, N is the oily page
The number of shale oil resource abundance sample value；
Based on formula
Distribution probability value=(oil shale oil resource abundance sample value sequence number/N) %
Calculate the distribution probability value of oil shale oil resource abundance sample value.
In one embodiment, oil shale oil resource abundance is divided according to the distribution probability of oil shale oil resource abundance
Level, wherein, the oil shale oil resource abundance is divided into multiple grades, the corresponding distribution probability region of each grade is multiple
Distribution probability region is misaligned and continuous each other.
In one embodiment, multiple distribution probability regions have identical area size.
In one embodiment, it is area size with 25%, the oil shale oil resource abundance is divided into one-level, two
Level, three-level and level Four, wherein, oil shale oil resource abundance value corresponding to the one-level is maximum.
In one embodiment, the three-level and the level Four are merged into a grade.
In one embodiment, by oil shale oil resource abundance value corresponding to the distribution probability boundary in the distribution probability region
Boundary value as the classification of oil shale oil resource abundance.
In one embodiment, by oil shale oil resource abundance value corresponding to the distribution probability boundary in the distribution probability region
As the boundary value of oil shale oil resource abundance classification, wherein, oil shale oil resource corresponding to the distribution probability boundary is rich
The boundary value that angle value round numbers nearby is classified as oil shale oil resource abundance.
The method of the present invention waits frequency analysis method rich to oil shale oil resource by data statistic analysis, normalized
Degree is classified, so as to characterize mining area oil shale oil resource abundance state.Compared to prior art, method of the invention not only has
There are more excellent science and reasonability and operation is simpler, result is more reasonable, applicability is wider.
The further feature or advantage of the present invention will illustrate in the following description.Also, the present invention Partial Feature or
Advantage will be become apparent by specification, or be appreciated that by implementing the present invention.The purpose of the present invention and part
Advantage can be realized or obtained by specifically noted step in specification, claims and accompanying drawing.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Apply example to be provided commonly for explaining the present invention, be not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is method flow diagram according to an embodiment of the invention；
Fig. 2 is method partial process view according to an embodiment of the invention
Fig. 3 is distribution probability coordinate diagram according to an embodiment of the invention.
Embodiment
Embodiments of the present invention are described in detail below with reference to drawings and Examples, whereby implementation personnel of the invention
Can fully understand how application technology means solve technical problem to the present invention, and reach the implementation process of technique effect and according to
The present invention is embodied according to above-mentioned implementation process.If it should be noted that do not form conflict, each embodiment in the present invention
And each feature in each embodiment can be combined with each other, the technical scheme formed protection scope of the present invention it
It is interior.
At present, the method for oil shale resources abundance quality degree is characterized mainly by being carried out to oil shale oil resource abundance
Classification.Depending on the division of the rank is primarily directed to the strange land exploitation (including strip mining transformation, tunnel exploitation etc.) of oil shale, because
This, this division methods are not suitable for the oil shale of in-situ retorting, and it divides object and division limits are different from.
The widely dispersed of oil shale oil resource abundance, according to the tune to domestic oil shale mining area shale oil resource abundance
Grind, general distribution is in 1~5000 (104t/km2).Generally, geology resource parameters are classified using grade frequency division level side
Method, i.e., it is classified with fixed interval of values according to the numerical values recited of geology resource parameters.Such as with 1250 it is that interval can be with
Oil shale oil resource abundance of the distribution in 1~5000 (104t/km2) is divided into 4 grades.
But in actual environment, the distribution of petroleum resources is not that a kind of linear distribution trend is presented.Namely
Say, be the distribution trend that can not obtain a similar linear distribution after the oil shale oil resource abundance value in comprehensive different mining areas.
If wait frequency division level using based on oil shale oil resource abundance value size, then final classification results just appear in some
Grade flocks together or the situation of some distribution of grades sparse (or even vacant).It is particularly in the grade for the state of flocking together, ad eundem
Interior different mining areas can not effectively be contrasted each other.
In order to effectively be contrasted, it is necessary to the grade in the state of flocking together is done into further subdivision, this certainly will need to increase
Add number of levels, on the basis of the grade of sparse distribution is not ignored, gradational boundary just becomes to be difficult to determine, gradational boundary is determined
Adopted standard also just can not effectively be unified, and whole hierarchy system will fall into chaos.
In view of the above-mentioned problems, the present invention proposes a kind of method of new sign oil shale oil resource abundance state.Connect down
To be described in detail the implementation process of the method for embodiments of the invention with reference to accompanying drawing.The step of being shown in the flow chart of accompanying drawing can be with
Performed in the computer system comprising such as one group computer executable instructions.Although each step is shown in flow charts
Logical order, but in some cases, can be with the step shown or described by being performed different from order herein.
As shown in figure 1, in an embodiment of the present invention, first according to the distribution probability of oil shale oil resource abundance to oil-containing
Rate is classified (step S110), and the oil shale oil resource abundance rank (step in current mining area is then determined according to measured data
S120)；Finally the oil shale oil resource abundance shape in current mining area is characterized using the oil shale oil resource abundance rank in current mining area
State (step S130).
In the present invention, the distribution probability value of some oil shale oil resource abundance value refers to each mining area oil page in resource area
Shale oil resource abundance value is more than or equal to the probable value of the oil shale oil resource abundance value.For example, under natural environment, in a certain area
There are multiple different mining areas in domain, wherein, probability of the oil shale oil resource abundance value more than or equal to 3000 is 5%, then oil
The distribution probability value of shale oil resource abundance value 3000 is just 5%.
It is noted herein that the magnitude range of resource area is to be based on exploration and development demand and oil shale oil resource
Determined by abundance hierarchical objectives.When the magnitude range of resource area changes (its mining area included changes), then,
The distribution probability value (distribution probability of oil shale oil resource abundance) of oil shale oil resource abundance value will also change, this
When, according to specific needs, it is necessary to adjust the classification setting of oil shale oil resource abundance.So, oil shale oil resource can be made rich
The classification of degree preferably matches actual demand, the practicality of oil shale oil resource abundance classification results greatly enhanced.
Directly relatively random qualitative determination oil shale is carried out in compared with the prior art according to oil shale oil resource abundance value size
Oily resource abundance level method for distinguishing, method of the invention based on statistics, with etc. frequency analysis means, have it is more excellent
Scientific and reasonability.
In the distribution probability for obtaining the oil shale oil resource abundance in a certain resource area, optimal situation is to be based on
The oil shale oil resource abundance value in all mining areas is calculated in the region.But, it is contemplated that the mining area in some resource areas
Quantity is very huge, in order to reduce data volume, simplifies flow chart of data processing, in an embodiment of the present invention, gathers resource area
The oil shale oil resource abundance sample value in interior multiple different sample mining areas；Then according to multiple oil shale oil resource abundance sample values
Determine the distribution probability of oil content.
As shown in Fig. 2 step S210 is first carried out, oil shale oil resource abundance sample value is gathered.It is noted here that
It is during sample value collection is carried out, to select representational mining area as sample based on the actual conditions of resource area
This.
Further, in order to which the distribution probability for the oil content for ensureing to determine based on oil shale oil resource abundance sample value can be accurate
Actual conditions really are represented, therefore in an embodiment of the present invention, to the oil shale oil resource abundance sample gathered in step S210
The minimal amount of value is defined.Specifically, at least gather the oil shale oil resource abundance sample value in 20 different sample mining areas.
In the process for the distribution probability that oil shale oil resource abundance is determined according to multiple oil shale oil resource abundance sample values
In, the probable value that all oil shale oil resource abundance sample values are more than a certain oil shale oil resource abundance value is mainly calculated, will
Distribution probability value of the probable value as the oil shale oil resource abundance value.
Specifically, in an embodiment of the present invention, the descending of all oil shale oil resource abundance sample values is arranged first
(step S220) and sequence number (1~N) (step S230) is assigned successively, N is the number of oil shale oil resource abundance sample value；Then
The distribution probability value (step S240) of oil shale oil resource abundance sample value is calculated based on formula 1.
Distribution probability value=(oil shale oil resource abundance sample value sequence number/N) % (formula 1)
Specific in an application example, method and step is as follows：
1) the individual oil shale mining area oil shale oil resource abundance values of the N being collected into (N >=20) are arranged in order according to descending, and
Produce sequence number (1~N) corresponding to each oil shale oil resource abundance value, maximum corresponding of such oil shale oil resource abundance value
Sequence number is 1, and the minimum corresponding sequence number of oil shale oil resource abundance value is N；
2) sequence number (1~N) is subjected to data normalization processing, forms one group of data, and expressed with percentage, so formed
Data be just (1/N%；2/N%；3/N%；......；(N-2)/N%；(N-1)/N%；100%)；
3) with the data (1/N% formed；2/N%；3/N%；......；(N-2)/N%；(N-1)/N%；100%) and
Oil shale oil resource abundance value corresponds, the maximum corresponding 1/N% of Abundances, is 100% corresponding to Abundances minimum,
The probability that its meaning expressed can be understood as being more than a certain Abundances is exactly its corresponding percentage.
Can is general according to the distribution of oil shale oil resource abundance after getting the distribution probability of oil shale oil resource abundance
Rate is classified to oil shale oil resource abundance.In an embodiment of the present invention, it is general according to the distribution of oil shale oil resource abundance
Oil shale oil resource abundance is divided into multiple grades by rate.That is, as shown in figure 1, execution step S250, determines distribution probability
Gradational boundary value.
In step s 250, the corresponding distribution probability region of each grade, multiple distribution probability regions do not weigh each other
Close and continuous.Further, in an embodiment of the present invention, using etc. frequency analysis method.I.e. multiple distribution probability regions have phase
Same area size.
Specifically, being area size with 25% in an embodiment of the present invention, oil content is divided into 4 grades.Will oil
Shale oil resource abundance is divided into four grades, and distribution probability interval is 25%, one-level, two level, three-level, level Four.Wherein, one-level
Distribution probability scope be<25% (corresponding oil shale oil resource abundance value highest)；The distribution probability scope of two level is 25%
~50%；The distribution probability scope of three-level is 50%~75%；The distribution probability scope of level Four is>75%.
Further, it is contemplated that above-mentioned three-level oil shale oil resource abundance value corresponding with level Four is relatively low, in reality
During analysis, and need not the mining area relatively relatively low to oil shale oil resource abundance value do refinement contrast.Therefore, in the present invention
In one embodiment, three-level and level Four are merged into a grade.
Further, in an embodiment of the present invention, the final step of classification is the level that will be divided based on distribution probability value
Other boundary is converted into specific oil shale oil resource abundance value, so as in actual progressive operation directly according to the oil shale in mining area
Oily resource abundance value size determines rank.Step S160 is performed, determines the gradational boundary value of oil shale oil resource abundance.Specifically
, it is that oil shale oil resource abundance value corresponding to the distribution probability boundary in distribution probability region is rich as oil shale oil resource
The gradational boundary value of degree.
Further, for the ease of the implementation of later progressive operation, in an embodiment of the present invention, by distribution probability boundary
The boundary value that the round numbers nearby of corresponding oil shale oil resource abundance value is classified as oil shale oil resource abundance.
For the ease of operation, in an embodiment of the present invention, after the distribution probability of oil shale oil resource abundance is got
Scatter diagram is made, ordinate is oil shale oil resource abundance value, and abscissa is distribution probability (0.00%~100%).Based on scattered
Point diagram carries out classification setting.
Last can sets the oil shale oil resource abundance rank for determining mining area according to above-mentioned classification, so as to comparative
Characterize mining area oil shale oil resource abundance state.
The statistical analysis used in the method for the present invention, normalized, and wait frequency analysis etc. all very simple, have
Relatively low grasp difficulty, thus generalization is very strong.
Next the implementation result of the present invention is described in detail based on a concrete application example.
Using the oil shale oil resource abundance in certain resource area as object, using following steps：
(1) by 30 oil shale mining area oil shale oil resource abundance values in certain resource area collected according to descending according to
Secondary arrangement, and sequence number (1~30) corresponding to each oil shale oil resource abundance value is produced, the maximum corresponding sequence of such Abundances
Number it is 1, the minimum corresponding sequence number of Abundances is 30 (as shown in table 1)；
Table 1
(2) sequence number (1~30) is subjected to data normalization processing, forms one group of data, and expressed with percentage, thus
The data of formation are (1/30%；2/30%；3/30%；......；28/30%；29/30%；100%)；
(3) with the data (1/30% formed；2/30%；3/30%；......；28/30%；29/30%；100%) and
Oil shale oil resource abundance value corresponds, and the maximum corresponding probability of Abundances is 1/30%, minimum corresponding of Abundances
Probability is 100% (as shown in table 2)；
Table 2
(4) scatter diagram (as shown in Figure 3) is made, wherein ordinate is oil shale oil resource abundance value, and abscissa is distribution
Probability (0.00%~100%).
(5) the frequency analysis method such as utilization, is divided into three one-level, two level, three-level ranks by oil shale oil resource abundance, wherein,
Wherein, the distribution of one-level is<25%；The distribution of two level is 25%~50%；The distribution of three-level is>50%；
(6) determine oil shale oil resource abundance value corresponding to 25% and 50% be respectively 485.16 (104t/km2) and
214.22 (104t/km2), round as 500 (104t/km2) and 200 (104t/km2), and provided as oil shale oil nearby
The boundary value of source abundance grading evaluation, i.e.,：One-level (good) distribution is>500(104t/km2)；Two level (medium) distribution
It is 200 (104t/km2)~500 (104t/km2)；Three-level (poor) distribution is<200(104t/km2).
Last can determines the oil shale oil resource abundance rank in each mining area in the region according to above-mentioned gradational boundary,
So as to comparative sign mining area oil shale oil resource abundance state.
To sum up, method of the invention waits frequency analysis method to provide oil shale oil by data statistic analysis, normalized
Source abundance is classified, so as to comparative sign oil shale oil resource abundance state.Compared to prior art, side of the invention
Method not only has more excellent science and reasonability but also operation is simpler, result is more reasonable, applicability is wider.
While it is disclosed that embodiment as above, but described content only to facilitate understand the present invention and adopt
Embodiment, it is not limited to the present invention.Method of the present invention can also have other various embodiments.Without departing substantially from
In the case of essence of the present invention, those skilled in the art, which work as, can make various corresponding changes or become according to the present invention
Shape, but these corresponding changes or deformation should all belong to the scope of the claims of the present invention.
Claims (10)
- A kind of 1. method for characterizing mining area oil shale oil resource abundance state, it is characterised in that methods described includes：The oil shale oil resource abundance is classified according to the distribution probability of the oil shale oil resource abundance, wherein, tool The distribution probability value of the oil shale oil resource abundance value of body is that all mining area oil shale oil resource abundance values are more than in resource area Equal to the probable value of the oil shale oil resource abundance value；The oil shale oil resource abundance rank in current mining area is determined according to measured data；The oil shale oil resource abundance in the current mining area is characterized using the oil shale oil resource abundance rank in the current mining area State.
- 2. according to the method for claim 1, it is characterised in that methods described includes：Gather the oil shale oil resource abundance sample value in multiple different sample mining areas；The probable value that all oil shale oil resource abundance sample values are more than a certain oil shale oil resource abundance value is calculated, will be described general Distribution probability value of the rate value as the oil shale oil resource abundance.
- 3. according to the method for claim 2, it is characterised in that gather the oil shale oil resource abundance sample in multiple sample mining areas This value, wherein, at least gather 20 different sample mining areas oil shale oil resource abundance sample value.
- 4. according to the method in claim 2 or 3, it is characterised in that according to multiple oil shale oil resource abundance samples Value determines the distribution probability of oil shale oil resource abundance value, wherein：All oil shale oil resource abundance sample value descendings are arranged and assign sequence number (1~N) successively, N is oil shale oil The number of resource abundance sample value；Based on formulaDistribution probability value=(oil shale oil resource abundance sample value sequence number/N) %Calculate the distribution probability value of oil shale oil resource abundance sample value.
- 5. according to the method any one of claim 1-4, it is characterised in that according to the distribution of oil shale oil resource abundance Probability is classified to oil shale oil resource abundance, wherein, the oil shale oil resource abundance is divided into multiple grades, it is each etc. The corresponding distribution probability region of level, multiple distribution probability regions are misaligned and continuous each other.
- 6. according to the method for claim 5, it is characterised in that multiple distribution probability regions have identical area size.
- 7. according to the method for claim 6, it is characterised in that with 25% be area size, by the oil shale oil resource Abundance is divided into one-level, two level, three-level and level Four, wherein, oil shale oil resource abundance value corresponding to the one-level is maximum.
- 8. according to the method for claim 7, it is characterised in that the three-level and the level Four are merged into one etc. Level.
- 9. according to the method any one of claim 5-8, it is characterised in that the distribution in the distribution probability region is general The boundary value that oil shale oil resource abundance value corresponding to rate boundary is classified as oil shale oil resource abundance.
- 10. according to the method for claim 9, it is characterised in that by the distribution probability boundary pair in the distribution probability region The boundary value that the oil shale oil resource abundance value answered is classified as oil shale oil resource abundance, wherein, by distribution probability circle The boundary value that oil shale oil resource abundance value round numbers nearby corresponding to limit is classified as oil shale oil resource abundance.
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