CN110400093A - Shale oil industrial value grade evaluation method, device and electronic equipment - Google Patents
Shale oil industrial value grade evaluation method, device and electronic equipment Download PDFInfo
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Abstract
The present invention provides a kind of shale oil industrial value grade evaluation method, device and electronic equipment, this method includes fascicule thickness, movable hydrocarbon abundance, brittleness index and the flow index for obtaining each fascicule of cycle unit to be evaluated in target shale formation；Movable hydrocarbon abundance, brittleness index and the flow index of cycle unit to be evaluated are calculated according to the fascicule thickness of each fascicule, movable hydrocarbon abundance, brittleness index and flow index；Oil-containing index is calculated according to the movable hydrocarbon abundance of cycle unit to be evaluated, pressure break index is calculated according to the brittleness index of cycle unit to be evaluated；The shale oil industry coefficient of the cycle unit to be evaluated is calculated according to the flow index of above-mentioned oil-containing index, pressure break index and cycle unit to be evaluated；The industrial value grade of the cycle unit to be evaluated is determined according to shale oil industry coefficient.This method can be with the industrial development potentiality of shale oil in quantified goal shale formation, and improve the reliability of shale oil industrialized developing evaluation result.
Description
Technical field
The present invention relates to oil exploration technology field, more particularly, to a kind of shale oil industrial value grade evaluation method,
Device and electronic equipment.
Background technique
Exploration example confirms that shale oil gas stock number is abundant, and dessert section has to form stable yields industry oil after engineered
Flow conditions.For oil gas at hiding, conventional gas and oil is after primary migration, secondary migration at hiding in advantageous trap；It is fine and close
Oil gas is then to store up pressure difference, oil gas short distance freight index future by source；Different from conventional gas and oil and fine and close oil gas, shale oil has certainly
It is born from storage, source Chu Yiti, the characteristics of oil gas original place is at hiding.
Currently, the evaluation method of still follow conventional lines oil gas and fine and close oil gas is evaluated the industrialized developing of shale oil, it is this
Evaluation method only passes through the single factor tests such as Source Rock Features, Reservoir Characters the characteristics of evaluating respectively, having ignored shale oil self-generation, self-reservoir, comments
Valence result reliability is poor.In addition, existing evaluation method can not in quantified goal shale formation shale oil industrial development potentiality.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of shale oil industrial value grade evaluation method, device and electricity
The reliability of shale oil industrialized developing evaluation result can be improved in sub- equipment, and can be with shale in quantified goal shale formation
The industrial development potentiality of oil.
In a first aspect, the embodiment of the invention provides a kind of shale oil industrial value grade evaluation methods, comprising: obtain mesh
Mark fascicule thickness, movable hydrocarbon abundance, brittleness index and the flowing of each fascicule of cycle unit to be evaluated in shale formation
Index；Cycle list to be evaluated is calculated according to the fascicule thickness of each fascicule, movable hydrocarbon abundance, brittleness index and flow index
Movable hydrocarbon abundance, brittleness index and the flow index of member；It is to be evaluated that this is calculated according to the movable hydrocarbon abundance of cycle unit to be evaluated
The oil-containing index of cycle unit refers to according to the pressure break that the brittleness index of cycle unit to be evaluated calculates the cycle unit to be evaluated
Number；The cycle unit to be evaluated is calculated according to the flow index of above-mentioned oil-containing index, pressure break index and cycle unit to be evaluated
Shale oil industry coefficient；The industrial value grade of the cycle unit to be evaluated is determined according to shale oil industry coefficient.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein root
The calculating for calculating the movable hydrocarbon abundance of the cycle unit to be evaluated according to the fascicule thickness and movable hydrocarbon abundance of each fascicule is public
Formula are as follows:In formula, A is the movable hydrocarbon abundance of cycle unit to be evaluated, liMovable hydrocarbon for i-th layer of fascicule is rich
Degree, diFor the fascicule thickness of i-th layer of fascicule, n is the fascicule number of plies of cycle unit to be evaluated.
The possible embodiment of with reference to first aspect the first, the embodiment of the invention provides second of first aspect
Possible embodiment, wherein the oil-containing of the cycle unit to be evaluated is calculated according to the movable hydrocarbon abundance of cycle unit to be evaluated
The calculation formula of index are as follows:In formula, IoFor the oil-containing index of cycle unit to be evaluated, A is to be evaluated
The movable hydrocarbon abundance of valence cycle unit.
With reference to first aspect, the embodiment of the invention provides the third possible embodiments of first aspect, wherein root
The calculation formula of the brittleness index of the cycle unit to be evaluated is calculated according to the fascicule thickness and brittleness index of each fascicule
Are as follows:In formula, B is the brittleness index of cycle unit to be evaluated, biFor the brittleness index of i-th layer of fascicule, di
For the fascicule thickness of i-th layer of fascicule, n is the fascicule number of plies of cycle unit to be evaluated.
The third possible embodiment with reference to first aspect, the embodiment of the invention provides the 4th kind of first aspect
Possible embodiment, wherein the pressure break of the cycle unit to be evaluated is calculated according to the brittleness index of the cycle unit to be evaluated
The calculation formula of index are as follows:In formula, EfIt is to be evaluated
The pressure break index of cycle unit, B are the brittleness index of cycle unit to be evaluated, biFor the brittleness index of i-th layer of fascicule, diFor
The fascicule thickness of i-th layer of fascicule, n are the fascicule number of plies of cycle unit to be evaluated, and Avg expression is averaged；Mid1/4Table
Show 1/4 digit of access group；Mid3/4Indicate 3/4 digit of access group；Min expression is minimized.
With reference to first aspect, the embodiment of the invention provides the 5th kind of possible embodiments of first aspect, wherein root
The calculation formula of the flow index of the cycle unit to be evaluated is calculated according to the fascicule thickness and flow index of each fascicule
Are as follows:In formula, IfFor the flow index of cycle unit to be evaluated, piFor the flow index of i-th layer of fascicule, di
For the fascicule thickness of i-th layer of fascicule, n is the fascicule number of plies of cycle unit to be evaluated.
With reference to first aspect, the embodiment of the invention provides the 6th kind of possible embodiments of first aspect, wherein on
State the shale oil that the cycle unit to be evaluated is calculated according to the flow index of oil-containing index, pressure break index and cycle unit to be evaluated
The calculation formula of industrial coefficient are as follows:In formula, ESO is the shale of cycle unit to be evaluated
Oily industry coefficient, IoFor the oil-containing index of cycle unit to be evaluated, EfFor the pressure break index of cycle unit to be evaluated, IfIt is to be evaluated
The flow index of valence cycle unit.
The 6th kind of possible embodiment with reference to first aspect, the embodiment of the invention provides the 7th kind of first aspect
Possible embodiment, wherein the above-mentioned industrial value according to the shale oil industry factor evaluation cycle unit to be evaluated
The step of, comprising: it is I class dessert by the cycle dividing elements to be evaluated if ESO >=0.8；If 0.6≤ESO < 0.8,
It is then II class dessert by the cycle dividing elements to be evaluated；If 0.4≤ESO < 0.6, by the cycle dividing elements to be evaluated
For III class dessert；It is not have the cycle of industrialization extraction value by the cycle dividing elements to be evaluated if ESO < 0.4
Unit.
Second aspect, the embodiment of the invention also provides a kind of shale oil industrial value grade evaluating apparatus, comprising: the rhythm
Layer parameter obtains module, for obtain the fascicule thickness of each fascicule of cycle unit to be evaluated in target shale formation,
Movable hydrocarbon abundance, brittleness index and flow index；The first computing module of cycle cell parameters, for the rhythm according to each fascicule
Rule thickness degree, movable hydrocarbon abundance, brittleness index and flow index calculate movable hydrocarbon abundance, the brittleness index of cycle unit to be evaluated
And flow index；The second computing module of cycle cell parameters, should for being calculated according to the movable hydrocarbon abundance of cycle unit to be evaluated
The oil-containing index of cycle unit to be evaluated calculates the pressure of the cycle unit to be evaluated according to the brittleness index of cycle unit to be evaluated
Split index；Shale oil industry coefficients calculation block, for the flowing according to oil-containing index, pressure break index and cycle unit to be evaluated
Index calculates the shale oil industry coefficient of the cycle unit to be evaluated；Industrial value level determination module, for according to shale
Oily industry coefficient determines the industrial value grade of the cycle unit to be evaluated.
The third aspect, the embodiment of the invention also provides a kind of electronic equipment, including processor and memory, the memories
The computer executable instructions that can be executed by the processor are stored with, which executes the computer executable instructions with reality
Existing above-mentioned shale oil industrial value grade evaluation method.
The embodiment of the present invention bring it is following the utility model has the advantages that
A kind of shale oil industrial value grade evaluation method, device and electronic equipment provided in an embodiment of the present invention, the party
Method includes obtaining the fascicule thickness of each fascicule of cycle unit to be evaluated in target shale formation, movable hydrocarbon abundance, crisp
Sex index and flow index；It is calculated according to the fascicule thickness of each fascicule, movable hydrocarbon abundance, brittleness index and flow index
Movable hydrocarbon abundance, brittleness index and the flow index of cycle unit to be evaluated；According to the movable hydrocarbon abundance of cycle unit to be evaluated
The oil-containing index for calculating the cycle unit to be evaluated calculates the cycle list to be evaluated according to the brittleness index of cycle unit to be evaluated
The pressure break index of member；It is to be evaluated that this is calculated according to the flow index of above-mentioned oil-containing index, pressure break index and cycle unit to be evaluated
The shale oil industry coefficient of cycle unit；The industrial value etc. of the cycle unit to be evaluated is determined according to shale oil industry coefficient
Grade.In the method, by the way that shale oil industry coefficient is arranged, the pool forming rules of the shale oil industry coefficient based on shale oil are comprehensive
The influence of the brittleness index, pressure break index and flow index of each fascicule of cycle unit to be evaluated in target shale formation has been closed,
Wherein, which has reacted the pressure break efficiency of target shale formation, the pressure break indicial response pressure break of target shale formation
Crack is connected to ability afterwards, and flow index has reacted the energy that target shale formation shale oil in pressure release enters fracture network
Power, thus, this method can be with the industrial development potentiality of shale oil in quantified goal shale formation, and improve shale oil industry and melt
Send out the reliability of evaluation result.
Other feature and advantage of the disclosure will illustrate in the following description, alternatively, Partial Feature and advantage can be with
Deduce from specification or unambiguously determine, or by implement the disclosure above-mentioned technology it can be learnt that.
To enable the above objects, features, and advantages of the disclosure to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of flow diagram of shale oil industrial value grade evaluation method provided in an embodiment of the present invention；
Fig. 2 is provided in an embodiment of the present invention a kind of to be evaluated to obtain according to shale oil industrial value grade evaluation method
Evaluation result schematic diagram；
Fig. 3 is a kind of structural schematic diagram of shale oil industrial value evaluating apparatus provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of a kind of electronic equipment provided in an embodiment of the present invention.
Icon: 31- fascicule parameter acquisition module；32- cycle the first computing module of cell parameters；33- cycle unit ginseng
Several second computing modules；34- shale oil industry coefficients calculation block；35- industrial value level determination module；40- memory；
41- processor；42- bus；43- communication interface.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
In view of the evaluation result poor reliability of the existing industrialization evaluation method to shale oil, and it is unable to quantified goal
In shale formation the problem of the industrial development potentiality of shale oil, a kind of shale oil industrial value grade provided in an embodiment of the present invention
Evaluation method, device and electronic equipment can be improved the reliability of shale oil industrialized developing evaluation result, and can quantify mesh
Mark the industrial development potentiality of shale oil in shale formation.
For convenient for understanding the present embodiment, first to a kind of shale oil industrial value disclosed in the embodiment of the present invention
Grade evaluation method describes in detail.
Embodiment one:
As shown in Figure 1, it is a kind of process of shale oil industrial value grade evaluation method provided in an embodiment of the present invention
Schematic diagram, as seen from Figure 1, method includes the following steps:
Step S102: the fascicule thickness of each fascicule of cycle unit to be evaluated in target shale formation is obtained, can
Dynamic hydrocarbon abundance, brittleness index and flow index.
Here, cycle is to be present in one of stratum construction phenomenon, cyclothem refer to periodic sea into and regression
In the process, since depositional environment constantly changes a series of stratum for being formed by different rocks and forming.In the present embodiment, one
Cycle unit is a cyclothem.For usually there is multiple cycle units in the shale formation of oil-containing.Secondly, fascicule is also known as
Rhythmic stratification, in the horizontal bedding of sand and mud interstratification by different colours, heterogeneity, varigrained single layer in thinner thickness
(less than 4~5mm) is formed by interlaminated, referred to as rhythmic stratification.
Firstly, needing to obtain each of the cycle unit to be evaluated to the cycle unit to be evaluated in target shale formation
The fascicule thickness of fascicule, movable hydrocarbon abundance, brittleness index and flow index.Wherein, hydrocarbon is hydrocarbon, is to organise
One kind of object is closed, movable hydrocarbon refers to mobilizable hydro carbons, such as petroleum, natural gas etc..Abundance refers to a kind of chemical element at some
Weight in natural body accounts for the relative share of this natural body total weight, and movable hydrocarbon abundance has reacted movable hydrocarbon in shale formation
Content, the numerical value the big, shows that tolerance containing moveable oil is higher in stratum.Also, the pressure break of brittleness index reaction shale formation
Efficiency, numerical value is bigger, and reaction shale formation is easier by pressure break.Flow index has reacted shale formation shale in pressure release
Oil enters the ability of fracture network.
Step S104: it is calculated according to the fascicule thickness of each fascicule, movable hydrocarbon abundance, brittleness index and flow index
Movable hydrocarbon abundance, brittleness index and the flow index of cycle unit to be evaluated.
It, can be according to the fascicule of each fascicule in cycle unit to be evaluated in a kind of wherein possible embodiment
Thickness and movable hydrocarbon abundance calculate the movable hydrocarbon abundance of the cycle unit to be evaluated.For example, it is assumed that cycle unit to be evaluated includes
Fascicule number scale be n, in the vertical direction, number consecutively is 1,2n to fascicule from the bottom to top, and each fascicule is corresponding
With a thickness of d1, d2dn, the corresponding movable hydrocarbon abundance of each fascicule is l1、l2···ln；The then cycle unit to be evaluated
Movable hydrocarbon abundance calculation formula are as follows:
In formula, A is the movable hydrocarbon abundance of cycle unit to be evaluated, units/kg/t；liMovable hydrocarbon for i-th layer of fascicule is rich
Degree, units/kg/t；diFor the fascicule thickness of i-th layer of fascicule, unit m；N be cycle unit to be evaluated the rhythm layer by layer
Number.
Also, can also be calculated according to the fascicule thickness of each fascicule in cycle unit to be evaluated and brittleness index should
The brittleness index of cycle unit to be evaluated, wherein its calculation formula is:
In formula, B is the brittleness index of cycle unit to be evaluated, dimensionless；biFor the brittleness index of i-th layer of fascicule, nothing
Dimension；diFor the fascicule thickness of i-th layer of fascicule, n is the fascicule number of plies of cycle unit to be evaluated.
It should alternatively, it is also possible to be calculated according to the fascicule thickness of each fascicule in cycle unit to be evaluated and flow index
The flow index of cycle unit to be evaluated, wherein its calculation formula is:
In formula, IfFor the flow index of cycle unit to be evaluated, dimensionless；piFor the flow index of i-th layer of fascicule, nothing
Dimension；diFor the fascicule thickness of i-th layer of fascicule, n is the fascicule number of plies of cycle unit to be evaluated.
In this way, having obtained movable hydrocarbon abundance, brittleness index and the flow index of cycle unit to be evaluated.
Step S106: referred to according to the oil-containing that the movable hydrocarbon abundance of cycle unit to be evaluated calculates the cycle unit to be evaluated
Number, the pressure break index of the cycle unit to be evaluated is calculated according to the brittleness index of cycle unit to be evaluated.
In a kind of wherein embodiment, the oil-containing index of the cycle unit to be evaluated can be calculated according to the following formula:
In formula, IoFor the oil-containing index of cycle unit to be evaluated, dimensionless；A is that the movable hydrocarbon of cycle unit to be evaluated is rich
Degree, units/kg/t.
According to above-mentioned oil-containing formula of index it is found that when the movable hydrocarbon abundance of cycle unit to be evaluated is less than 1, determine
The oil-containing index of cycle unit to be evaluated is 0；When the movable hydrocarbon abundance of cycle unit to be evaluated is less than 3 and is more than or equal to 1, really
The oil-containing index of cycle unit to be evaluated is calmlyWhen the movable hydrocarbon abundance of cycle unit to be evaluated is more than or equal to 3, really
The oil-containing index of fixed cycle unit to be evaluated is 1.
Also, the calculating of the pressure break index of the cycle unit to be evaluated is calculated according to the brittleness index of cycle unit to be evaluated
Formula can be with are as follows:
In formula, EfFor the pressure break index of cycle unit to be evaluated, B is the brittleness index of cycle unit to be evaluated, biIt is i-th
The brittleness index of layer fascicule, diFor the fascicule thickness of i-th layer of fascicule, n is the fascicule number of plies of cycle unit to be evaluated,
Avg expression is averaged；Mid1/4Indicate 1/4 digit of access group；Mid3/4Indicate 3/4 digit of access group；Min expression takes most
Small value.
Wherein, if data amount check in certain array A be it is N number of, then the N/4 data in the array sequentially are
Mid1/4(A) value that is to say 1/4 digit of array A；Similarly, the 3N/4 data in the array sequentially are Mid3/4(A)
Value, that is to say 3/4 digit of array A.
Step S108: being calculated according to the flow index of above-mentioned oil-containing index, pressure break index and cycle unit to be evaluated should be to
Evaluate the shale oil industry coefficient of cycle unit.
It, can be according to above-mentioned ginseng after obtaining the oil-containing index, pressure break index and flow index of cycle unit to be evaluated
The shale oil industry coefficient that number calculates cycle unit to be evaluated can calculate this in a kind of wherein embodiment according to the following formula
Shale oil industry coefficient:
In formula, ESO is the shale oil industry coefficient of cycle unit to be evaluated, IoOil-containing for cycle unit to be evaluated refers to
Number, EfFor the pressure break index of cycle unit to be evaluated, IfFor the flow index of cycle unit to be evaluated.
In this way, the shale oil industry coefficient combines and restricts whether shale oil can be referred to by three keys of industrialized developing
Number: oil-containing index, pressure break index and flow index.Shale moveable oil in shale oil industry coefficient concentrated expression cycle unit
Oil and gas flow ability after crack communication capability and pressure discharge after gas abundance, pressure break realizes the synthesis of shale oil industrialization coefficient
Evaluation, can indicate that target shale formation can be by the ability of industrialized utilization according to the shale oil industry coefficient.
Step S110: the industrial value grade of the cycle unit to be evaluated is determined according to shale oil industry coefficient.
Here, industrial value graded response can be by the ability of industrialized utilization, and the grade the high, can be industrialized
The ability utilized is higher.After the shale oil industry coefficient for obtaining cycle unit to be evaluated, can be determined according to the coefficient should
The industrial value grade of cycle unit to be evaluated, in one way in which in, according to the size of the shale oil industry coefficient into
Row grade classification is as follows:
It is I class dessert by the cycle dividing elements to be evaluated if ESO >=0.8；
It is II class dessert by the cycle dividing elements to be evaluated if 0.6≤ESO < 0.8；
It is III class dessert by the cycle dividing elements to be evaluated if 0.4≤ESO < 0.6；
It is the cycle list for not having industrialization extraction value by the cycle dividing elements to be evaluated if ESO < 0.4
Member.
In this way, when the shale oil industry coefficient for the cycle unit to be evaluated being calculated, it can be according to above-mentioned industrialization
It is different grades of dessert that grade classification mode, which is worth, by cycle dividing elements to be evaluated.Wherein, in the mistake of oil-gas exploration and development
Cheng Zhong can disclose the oil-gas bearing area of large area and the oily interval of big section, but wherein often only some is current
There is preferable development benefit under economy, technical conditions, therefore be referred to as dessert.
Aforesaid operations are repeated, the shale oil industry coefficient of each cycle unit in target shale formation can be obtained, and obtain
To the industrial value grade of each cycle unit of correspondence.
In actual operation, in obtaining target shale formation after the industrial value grade of each cycle unit,
The cycle unit of ESO > 0.4 is ranked up from high to low, and successively preferably goes out shale oil development goal.
Compared to conventional page shale oil evaluation method, the evaluation parameter about oil gas hydrocarbon source rock, reservoir and brittleness etc. is super
Cross hundreds of, this method proposes a kind of strong operability, practicability by summarizing shale oil pool forming rules, optimizing evaluation process
Strong evaluation method, the evaluation result of this method may be directly applied to shale oil exploitation potential assessment, and prominent shale oil industry is opened
Main geologic problem of concern during hair.Also, in the method, by fascicule brittleness mean value each in cycle unit and
Its brittleness degree of scatter evaluates shale pressure break efficiency, receives engineering using shale in pressure break index instruction cycle elementary section
Crack is connected to ability after pressure break, effectively prevents the loss of Engineering Task amount caused by invalid fractured interval.Furthermore this method is also sharp
With in shale, oil gas fluid ability instruction shale is by after pressure break, and shale oil enters the ability of fracture network when pressure discharges, effectively
It ensure that the production rate-maintenance capability during shale oil later development.
A kind of shale oil industrial value evaluation method provided in an embodiment of the present invention, first acquisition target shale formation in
Evaluate fascicule thickness, movable hydrocarbon abundance, brittleness index and the flow index of each fascicule of cycle unit；And according to each
The movable hydrocarbon that the fascicule thickness of fascicule, movable hydrocarbon abundance, brittleness index and flow index calculate cycle unit to be evaluated is rich
Degree, brittleness index and flow index；The cycle unit to be evaluated is calculated then according to the movable hydrocarbon abundance of cycle unit to be evaluated
Oil-containing index, the pressure break index of the cycle unit to be evaluated is calculated according to the brittleness index of cycle unit to be evaluated；And then root
The shale oil of the cycle unit to be evaluated is calculated according to the flow index of above-mentioned oil-containing index, pressure break index and cycle unit to be evaluated
Industrial coefficient；And according to the industrial value of the shale oil industry factor evaluation cycle unit to be evaluated.This method can be improved
The reliability of shale oil industrialized developing evaluation result, and can be latent with the industrial development of shale oil in quantified goal shale formation
Power.
Embodiment two:
In order to be best understood from above-mentioned shale oil industrial value evaluation method, present embodiments provides an application example and carry out
Explanation.
In the present embodiment, it is known that target rammell is certain High Frequency Cyclic with a thickness of 20.93m, and lithology mainly includes mixing
This section of shale is divided 25 layers of fascicule by prosody description method by matter shale, long English matter shale and totally 3 kinds of white clouds matter shale,
Number is 1,225 respectively from the bottom to top, and movable hydrocarbon abundance, brittleness index and flow index corresponding to each fascicule are shown in
Table 1.
Table 1
It is calculated and is evaluated especially by shale oil industry coefficient of following five steps to the cycle unit.
(1) oil-containing index IoIt calculates.
Movable hydrocarbon abundance A:
The movable hydrocarbon abundance A that the cycle unit is calculated is 2.76kg/t, meets 1≤A of condition < 3, then the cycle list
Oil-containing index I in memberoAre as follows:
(2) pressure break index EfIt calculates.
The brittleness index B of cycle unit is calculated:
Cycle unit brittleness index B meets 30≤B of condition < 46.4, is computed Mid1/4(bidi) value be 21.49, Mid3/4
(bidi) value be 41.9, Avg (bidi) value is 37.07, then pressure break index E in the cycle unitfAre as follows:
(3) flow index IfIt calculates.
This section of flow index IfAre as follows:
(4) shale oil industry coefficient ESO is calculated and is evaluated.
Shale oil industry coefficient ESO is 0.75 in the cycle unit, has shale oil industrial development condition, belongs to II class sweet tea
Point.
(5) industrial factor evaluation is carried out to 21 cycle units in the target rammell system using the above method, such as Fig. 2 institute
Show, is the schematic diagram for the evaluation result evaluated in the present embodiment according to shale oil industrial value evaluation method, by Fig. 2
As it can be seen that identify 13 layers of I class dessert altogether in the target rammell, and II 6 layers of class dessert, III 1 layer of class dessert, invalid dessert section 1
Layer.
Finally, the 4th shallower substratum of buried depth is chosen in II class dessert layer, for this section of page according to above-mentioned evaluation result
Rock design level well development realizes that productions is built in industrialization after pressure break, and well day oil-producing stabilization is in 23.4m at present3/ d, daily gas
1300m3/ d obtains better effects.
Embodiment three:
The embodiment of the invention also provides a kind of shale oil industrial value evaluating apparatus, as shown in figure 3, being the knot of the device
Structure schematic diagram, as seen from Figure 3, the device include sequentially connected fascicule parameter acquisition module 31, cycle cell parameters first
Computing module 32, the second computing module of cycle cell parameters 33, shale oil industry coefficients calculation block 34 and industrial value etc.
Grade determining module 35.
Fascicule parameter acquisition module 31, for obtaining each fascicule of cycle unit to be evaluated in target shale formation
Fascicule thickness, movable hydrocarbon abundance, brittleness index and flow index；
The first computing module of cycle cell parameters 32, for according to the fascicule thickness of each fascicule, movable hydrocarbon abundance,
Brittleness index and flow index calculate movable hydrocarbon abundance, brittleness index and the flow index of cycle unit to be evaluated；
The second computing module of cycle cell parameters 33, should be to for being calculated according to the movable hydrocarbon abundance of cycle unit to be evaluated
The oil-containing index for evaluating cycle unit, the pressure break of the cycle unit to be evaluated is calculated according to the brittleness index of cycle unit to be evaluated
Index；
Shale oil industry coefficients calculation block 34, for according to oil-containing index, pressure break index and cycle unit to be evaluated
Flow index calculates the shale oil industry coefficient of the cycle unit to be evaluated；
Industrial value level determination module 35, for determining the cycle unit to be evaluated according to shale oil industry coefficient
Industrial value grade.
Shale oil industrial value grade evaluating apparatus provided by the invention, first rotation to be evaluated in acquisition target shale formation
Fascicule thickness, movable hydrocarbon abundance, brittleness index and the flow index of each fascicule of receipt member；And according to each fascicule
Fascicule thickness, movable hydrocarbon abundance, brittleness index and flow index calculate movable hydrocarbon abundance, the brittleness of cycle unit to be evaluated
Index and flow index；It calculates the oil-containing of the cycle unit to be evaluated then according to the movable hydrocarbon abundance of cycle unit to be evaluated and refers to
Number, the pressure break index of the cycle unit to be evaluated is calculated according to the brittleness index of cycle unit to be evaluated；And then contained according to above-mentioned
The flow index of oily index, pressure break index and cycle unit to be evaluated calculates the shale oil industry system of the cycle unit to be evaluated
Number；And according to the industrial value of the shale oil industry factor evaluation cycle unit to be evaluated.Shale oil can be improved in the present apparatus
The reliability of industrialized developing evaluation result, and can be with the industrial development potentiality of shale oil in quantified goal shale formation.
In a kind of wherein possible embodiment, above-mentioned the first computing module of cycle cell parameters 32 is also used under
Formula calculates the movable hydrocarbon abundance of cycle unit to be evaluated:In formula, A is that the movable hydrocarbon of cycle unit to be evaluated is rich
Degree, liFor the movable hydrocarbon abundance of i-th layer of fascicule, diFor the fascicule thickness of i-th layer of fascicule, n is cycle unit to be evaluated
The fascicule number of plies.
In alternatively possible embodiment, above-mentioned the second computing module of cycle cell parameters 33 is also used to according to the following formula
Calculate the oil-containing index of the cycle unit to be evaluated:In formula, IoFor containing for cycle unit to be evaluated
Oily index, A are the movable hydrocarbon abundance of cycle unit to be evaluated.
In alternatively possible embodiment, above-mentioned the first computing module of cycle cell parameters 32 is also used to according to the following formula
Calculate the brittleness index of cycle unit to be evaluated:In formula, B is the brittleness index of cycle unit to be evaluated, bi
For the brittleness index of i-th layer of fascicule, diFor the fascicule thickness of i-th layer of fascicule, n is the fascicule of cycle unit to be evaluated
The number of plies.
In alternatively possible embodiment, above-mentioned the second computing module of cycle cell parameters 33 is also used to according to the following formula
Calculate the pressure break index of the cycle unit to be evaluated:In formula, EfIt is to be evaluated
The pressure break index of cycle unit, B are the brittleness index of cycle unit to be evaluated, biFor the brittleness index of i-th layer of fascicule, diFor
The fascicule thickness of i-th layer of fascicule, n are the fascicule number of plies of cycle unit to be evaluated, and Avg expression is averaged；Mid1/4Table
Show 1/4 digit of access group；Mid3/4Indicate 3/4 digit of access group；Min expression is minimized.
In alternatively possible embodiment, above-mentioned the first computing module of cycle cell parameters 32 is also used to according to the following formula
Calculate the flow index of cycle unit to be evaluated:In formula, IfFor the flow index of cycle unit to be evaluated,
piFor the flow index of i-th layer of fascicule, diFor the fascicule thickness of i-th layer of fascicule, n is the rhythm of cycle unit to be evaluated
It counts layer by layer.
In alternatively possible embodiment, above-mentioned shale oil industry coefficients calculation block 34 is also used to count according to the following formula
Calculate the shale oil industry coefficient of cycle unit to be evaluated:In formula, ESO is rotation to be evaluated
The shale oil industry coefficient of receipt member, IoFor the oil-containing index of cycle unit to be evaluated, EfPressure break for cycle unit to be evaluated refers to
Number, IfFor the flow index of cycle unit to be evaluated.
In alternatively possible embodiment, above-mentioned industrial value level determination module 35 is also used to: if ESO >=
0.8, then it is I class dessert by the cycle dividing elements to be evaluated；If 0.6≤ESO < 0.8, by the cycle unit to be evaluated
It is divided into II class dessert；It is III class dessert by the cycle dividing elements to be evaluated if 0.4≤ESO < 0.6；If ESO <
0.4, then it is the cycle unit for not having industrialization extraction value by the cycle dividing elements to be evaluated.
The technology of shale oil industrial value grade evaluating apparatus provided by the embodiment of the present invention, realization principle and generation
Effect is identical with aforementioned shale oil industrial value grade evaluation method embodiment, to briefly describe, shale oil industrial value grade
Evaluating apparatus embodiment part does not refer to place, can refer to corresponding in aforementioned shale oil industrial value grade evaluation method embodiment
Content.
Example IV:
The embodiment of the invention also provides a kind of electronic equipment, as shown in figure 4, be the structural schematic diagram of the electronic equipment,
Wherein, which includes processor 41 and memory 40, which is stored with and can be executed by the processor 41
Computer executable instructions, the processor 41 execute the computer executable instructions to realize above-mentioned shale oil industrial value grade
Evaluation method.
In the embodiment illustrated in fig. 4, which further includes bus 42 and communication interface 43, wherein processor
41, communication interface 43 and memory 40 are connected by bus 42.
Wherein, memory 40 may include high-speed random access memory (RAM, Random Access Memory),
It may further include non-labile memory (non-volatile memory), for example, at least a magnetic disk storage.By extremely
A few communication interface 43 (can be wired or wireless) is realized logical between the system network element and at least one other network element
Letter connection, can be used internet, wide area network, local network, Metropolitan Area Network (MAN) etc..Bus 42 can be isa bus, pci bus or
Eisa bus etc..The bus 42 can be divided into address bus, data/address bus, control bus etc..For convenient for indicating, in Fig. 4 only
It is indicated with a four-headed arrow, it is not intended that an only bus or a type of bus.
Processor 41 may be a kind of IC chip, the processing capacity with signal.During realization, above-mentioned side
Each step of method can be completed by the integrated logic circuit of the hardware in processor 41 or the instruction of software form.Above-mentioned
Processor 41 can be general processor, including central processing unit (Central Processing Unit, abbreviation CPU), network
Processor (Network Processor, abbreviation NP) etc.；It can also be digital signal processor (Digital Signal
Processor, abbreviation DSP), specific integrated circuit (Application Specific Integrated Circuit, referred to as
ASIC), field programmable gate array (Field-Programmable Gate Array, abbreviation FPGA) or other are programmable
Logical device, discrete gate or transistor logic, discrete hardware components.General processor can be microprocessor or should
Processor is also possible to any conventional processor etc..The step of method in conjunction with disclosed in the embodiment of the present invention, can direct body
Now executes completion for hardware decoding processor, or in decoding processor hardware and software module combine and execute completion.It is soft
Part module can be located at random access memory, and flash memory, read-only memory, programmable read only memory or electrically erasable programmable are deposited
In the storage medium of this fields such as reservoir, register maturation.The storage medium is located at memory, and processor 41 is read in memory
Information, in conjunction with its hardware complete previous embodiment shale oil industrial value grade evaluation method the step of.
The embodiment of the invention also provides a kind of computer readable storage medium, which has
Computer executable instructions, the computer executable instructions are when being called and being executed by processor, the computer executable instructions
Processor is promoted to realize above-mentioned shale oil industrial value grade evaluation method, specific implementation can be found in preceding method embodiment, In
This is repeated no more.
Shale oil industrial value grade evaluation method provided by the embodiment of the present invention, the evaluation of shale oil industrial value grade
The computer program product of device and electronic equipment, the computer readable storage medium including storing program code, the journey
The instruction that sequence code includes can be used for executing previous methods shale oil industrial value grade evaluation method as described in the examples, tool
Body, which is realized, can be found in embodiment of the method, and details are not described herein.
Unless specifically stated otherwise, the opposite step of the component and step that otherwise illustrate in these embodiments, digital table
It is not limit the scope of the invention up to formula and numerical value.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in the executable non-volatile computer-readable storage medium of a processor.Based on this understanding, of the invention
Technical solution substantially the part of the part that contributes to existing technology or the technical solution can be with software in other words
The form of product embodies, which is stored in a storage medium, including some instructions use so that
One computer equipment (can be personal computer, server or the network equipment etc.) executes each embodiment institute of the present invention
State all or part of the steps of method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-
Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can be with
Store the medium of program code.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of shale oil industrial value grade evaluation method characterized by comprising
Obtain the fascicule thickness of each fascicule of cycle unit to be evaluated, movable hydrocarbon abundance, brittleness in target shale formation
Index and flow index；
It is calculated according to the fascicule thickness of each fascicule, movable hydrocarbon abundance, brittleness index and flow index described to be evaluated
Movable hydrocarbon abundance, brittleness index and the flow index of valence cycle unit；
The oil-containing index that the cycle unit to be evaluated is calculated according to the movable hydrocarbon abundance of the cycle unit to be evaluated, according to institute
The brittleness index for stating cycle unit to be evaluated calculates the pressure break index of the cycle unit to be evaluated；
It is calculated according to the flow index of the oil-containing index, the pressure break index and the cycle unit to be evaluated described to be evaluated
The shale oil industry coefficient of cycle unit；
The industrial value grade of the cycle unit to be evaluated is determined according to the shale oil industry coefficient.
2. the method according to claim 1, wherein according to the fascicule thickness of each fascicule and movably
Hydrocarbon abundance calculates the calculation formula of the movable hydrocarbon abundance of the cycle unit to be evaluated are as follows:
In formula, A is the movable hydrocarbon abundance of cycle unit to be evaluated, liFor the movable hydrocarbon abundance of i-th layer of fascicule, diFor i-th layer of rhythm
The fascicule thickness of layer is restrained, n is the fascicule number of plies of cycle unit to be evaluated.
3. according to the method described in claim 2, it is characterized in that, according to the movable hydrocarbon abundance meter of the cycle unit to be evaluated
Calculate the calculation formula of the oil-containing index of the cycle unit to be evaluated are as follows:
In formula, IoFor the oil-containing index of cycle unit to be evaluated, A is the movable hydrocarbon abundance of cycle unit to be evaluated.
4. the method according to claim 1, wherein according to the fascicule thickness and brittleness of each fascicule
Index calculates the calculation formula of the brittleness index of the cycle unit to be evaluated are as follows:
In formula, B is the brittleness index of cycle unit to be evaluated, biFor the brittleness index of i-th layer of fascicule, diFor i-th layer of fascicule
Fascicule thickness, n be cycle unit to be evaluated the fascicule number of plies.
5. according to the method described in claim 4, it is characterized in that, being calculated according to the brittleness index of the cycle unit to be evaluated
The calculation formula of the pressure break index of the cycle unit to be evaluated are as follows:
In formula, EfFor the pressure break index of cycle unit to be evaluated, B is the brittleness index of cycle unit to be evaluated, biFor i-th layer of rhythm
Restrain the brittleness index of layer, diFor the fascicule thickness of i-th layer of fascicule, n is the fascicule number of plies of cycle unit to be evaluated, Avg
Expression is averaged；Mid1/4Indicate 1/4 digit of access group；Mid3/4Indicate 3/4 digit of access group；Min expression takes minimum
Value.
6. the method according to claim 1, wherein according to the fascicule thickness of each fascicule and flowing
Index calculates the calculation formula of the flow index of the cycle unit to be evaluated are as follows:
In formula, IfFor the flow index of cycle unit to be evaluated, piFor the flow index of i-th layer of fascicule, diFor i-th layer of rhythm
The fascicule thickness of layer, n are the fascicule number of plies of cycle unit to be evaluated.
7. the method according to claim 1, wherein it is described according to the oil-containing index, the pressure break index and
The flow index of the cycle unit to be evaluated calculates the calculation formula of the shale oil industry coefficient of the cycle unit to be evaluated
Are as follows:
In formula, ESO is the shale oil industry coefficient of cycle unit to be evaluated, IoFor the oil-containing index of cycle unit to be evaluated, EfFor
The pressure break index of cycle unit to be evaluated, IfFor the flow index of cycle unit to be evaluated.
8. the method according to the description of claim 7 is characterized in that it is described according to the shale oil industry coefficient determine it is described to
The step of evaluating the industrial value grade of cycle unit, comprising:
It is I class dessert by the cycle dividing elements to be evaluated if ESO >=0.8；
It is II class dessert by the cycle dividing elements to be evaluated if 0.6≤ESO < 0.8；
It is III class dessert by the cycle dividing elements to be evaluated if 0.4≤ESO < 0.6；
It is the cycle unit for not having industrialization extraction value by the cycle dividing elements to be evaluated if ESO < 0.4.
9. a kind of shale oil industrial value grade evaluating apparatus characterized by comprising
Fascicule parameter acquisition module, for obtaining the rhythm of each fascicule of cycle unit to be evaluated in target shale formation
Thickness degree, movable hydrocarbon abundance, brittleness index and flow index；
The first computing module of cycle cell parameters, for according to the fascicule thickness of each fascicule, movable hydrocarbon abundance, crisp
Sex index and flow index calculate movable hydrocarbon abundance, brittleness index and the flow index of the cycle unit to be evaluated；
The second computing module of cycle cell parameters, for according to the movable hydrocarbon abundance of the cycle unit to be evaluated calculate it is described to
The oil-containing index for evaluating cycle unit calculates the cycle unit to be evaluated according to the brittleness index of the cycle unit to be evaluated
Pressure break index；
Shale oil industry coefficients calculation block, for according to the oil-containing index, the pressure break index and the cycle to be evaluated
The flow index of unit calculates the shale oil industry coefficient of the cycle unit to be evaluated；
Industrial value level determination module, for determining the cycle unit to be evaluated according to the shale oil industry coefficient
Industrial value grade.
10. a kind of electronic equipment, which is characterized in that including processor and memory, the memory is stored with can be described
The computer executable instructions that processor executes, the processor execute the computer executable instructions to realize claim
1 to 8 described in any item shale oil industrial value grade evaluation methods.
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