CN105370268A - Method and device of optimizing staged fracturing parameters of horizontal well - Google Patents

Method and device of optimizing staged fracturing parameters of horizontal well Download PDF

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CN105370268A
CN105370268A CN201510697400.7A CN201510697400A CN105370268A CN 105370268 A CN105370268 A CN 105370268A CN 201510697400 A CN201510697400 A CN 201510697400A CN 105370268 A CN105370268 A CN 105370268A
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work area
parameter
parameters
data volume
mineral constituent
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CN105370268B (en
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刘伟
王熙明
张宇生
余刚
徐刚
万小平
刘腾蛟
张晨
张固澜
容娇君
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China National Petroleum Corp
BGP Inc
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China National Petroleum Corp
BGP Inc
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Abstract

The invention discloses a method and a device of optimizing staged fracturing parameters of a horizontal well. The method comprises the steps that rock elasticity parameters and mineral composition parameters of sample point strata in a horizontal well exploration work area are acquired; a rock elasticity parameter data body and a mineral composition parameter data body of the work area are acquired; based on the rock elasticity parameters and the mineral composition parameters, as well as the rock elasticity parameter data body and the mineral composition parameter data body, brittleness parameters and total organic carbon content parameters of the strata in the work area are acquired; fracture layout features and differential horizontal stress ratios of the work area are acquired; and based on the brittleness parameters and the total organic carbon content parameters, as well as the fracture layout features and the differential horizontal stress ratios, the staged fracturing parameters of the work area are optimized. According to the method and the device, the optimization effect of the staged fracturing parameters of the horizontal well can be improved, and a guarantee of the realization of maximized oil and gas resource capacity is provided.

Description

A kind of method and apparatus of optimum level well staged fracturing parameter
Technical field
The application relates to technical field of geophysical exploration, particularly a kind of method and apparatus of optimum level well staged fracturing parameter.
Background technology
Reservoir fracturing improvement improves reservoir permeability, ensures the effective ways that petroleum resources is exploited smoothly.The exploitation of petroleum resources adopts staged fracturing of horizontal well measure usually.Staged fracturing of horizontal well parameter generally comprises segments and the sublevel interval of horizontal well.The design of staged fracturing parameter is the key of reservoir reconstruction quality.Inappropriate staged fracturing parameter not only feed consumption consuming time, does not reach reservoir reconstruction effect, is sometimes even linked up by oil-water-layer, forms water breakthrough, brings impact to subsequent production construction.
In prior art, generally first carry out initial designs according to the staged fracturing parameter of cementing quality to horizontal well, then utilize traditional logging methods to obtain the well-log information such as speed and density curve, finally according to described well-log information, staged fracturing of horizontal well parameter is optimized.Wherein, described traditional logging methods generally comprises the methods such as gamma ray log, acoustic logging and density log.Such as, the GR logging curve (GR) in well-log information can represent shale content size.The stratum in the place that usual shale content is large is not easy to press off, and can take to reduce sublevel interval at this section.Be easier to press off on the stratum in the little place of shale content, can take to increase sublevel interval at this section.
But the well-log informations such as velocity of longitudinal wave, shear wave velocity and density curve can not reflect the information needed for reservoir fracturing comprehensively.Therefore, the simple well-log information relying on traditional logging methods to obtain is optimized staged fracturing of horizontal well parameter, and often effect of optimization is poor, can not realize petroleum resources production capacity and maximize.Therefore, be badly in need of a kind of effect of optimization good, the maximized staged fracturing of horizontal well parameter optimization method of petroleum resources production capacity can be realized.
Summary of the invention
The object of the embodiment of the present application is to provide a kind of method and apparatus of optimum level well staged fracturing parameter, with the effect of optimization of well staged fracturing parameter of improving the standard, gives security for realizing the maximization of petroleum resources production capacity.
For solving the problems of the technologies described above, the embodiment of the present application provides a kind of method and apparatus of optimum level well staged fracturing position to be achieved in that
A method for optimum level well staged fracturing parameter, comprising:
Obtain Rock Elastic Parameters and the mineral constituent parameter on sample point stratum in horizontal well exploration work area;
Obtain Rock Elastic Parameters data volume and the mineral constituent supplemental characteristic body in described work area;
Based on described Rock Elastic Parameters and mineral constituent parameter, and described Rock Elastic Parameters data volume and mineral constituent supplemental characteristic body, obtain Fragility parameters and the total content of organic carbon parameter on each stratum in described work area;
Obtain crack Distribution Characteristics and the horizontal stress diversity ratio in described work area;
Based on described Fragility parameters and total content of organic carbon parameter, and described crack Distribution Characteristics and horizontal stress diversity ratio, optimize the staged fracturing parameter in described work area.
A method for optimum level well staged fracturing parameter, comprising:
First acquisition module, for obtaining Rock Elastic Parameters and the mineral constituent parameter on sample point stratum in horizontal well exploration work area;
Second acquisition module, for obtaining Rock Elastic Parameters data volume and the mineral constituent supplemental characteristic body in described work area;
3rd acquisition module, for based on described Rock Elastic Parameters and mineral constituent parameter, and described Rock Elastic Parameters data volume and mineral constituent supplemental characteristic body, obtain Fragility parameters and the total content of organic carbon parameter on each stratum in described work area;
4th acquisition module, for obtaining crack Distribution Characteristics and the horizontal stress diversity ratio in described work area;
Optimize module, for based on described Fragility parameters and total content of organic carbon parameter, and described crack Distribution Characteristics and horizontal stress diversity ratio, optimize the staged fracturing parameter in described work area.
The technical scheme provided from above the embodiment of the present application, the embodiment of the present application can obtain Fragility parameters and the total content of organic carbon parameter on each stratum in described work area, and the crack Distribution Characteristics in described work area and horizontal stress diversity ratio, then based on described Fragility parameters and total content of organic carbon parameter, and described crack Distribution Characteristics and horizontal stress diversity ratio, optimize the staged fracturing parameter in described work area.Compared with prior art, the embodiment of the present application considers many factors in optimizing process, can based on " dessert " factor of earthquake (as total content of organic carbon (TOC), fragility, crack) and geostatic stress factor (as horizontal stress diversity ratio), optimum level well staged fracturing parameter, thus improve the effect of optimization of staged fracturing of horizontal well parameter, give security for realizing the maximization of petroleum resources production capacity.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of a kind of optimum level well of the embodiment of the present application staged fracturing parametric technique;
Fig. 2 a is the horizontal well location arrangement diagram in application embodiment certain level well exploration work area;
The crack in application embodiment horizontal well exploration work area, fragility, TOC and horizontal stress diversity ratio are superimposed together by Fig. 2 b, " dessert " schematic diagram formed in described work area;
Fig. 2 c is for after the method described in utilization the embodiment of the present application, and horizontal well explores the horizontal well location arrangement diagram in work area;
Fig. 2 d is the micro-seismic monitoring design sketch to H1 platform;
Fig. 3 is the illustrative view of functional configuration of a kind of optimum level well of the embodiment of the present application staged fracturing parameter devices.
Detailed description of the invention
Technical scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the application's protection.
In above-mentioned prior art, carrying out in the process of initial designs according to the staged fracturing parameter of cementing quality to horizontal well, local preferably for cementing quality, the mode of dividing equally can be adopted to carry out segmentation; And for the bad place of cementing quality, generally do not carry out segmentation.Therefore, the staged fracturing of horizontal well parameter of initial designs often can not meet the needs of reservoir fracturing improvement, needs to be optimized on its basis.
The application implements the method and apparatus providing a kind of optimum level well staged fracturing parameter.This embodiment considers the many factors such as total content of organic carbon (TOC), fragility, crack, horizontal stress diversity ratio, thus can the reasonably design of Guidance Levels well track and Fracturing Project optimization, reaches petroleum resources production capacity and maximizes.As shown in Figure 1, this embodiment can comprise:
S101: the Rock Elastic Parameters and the mineral constituent parameter that obtain sample point stratum in horizontal well exploration work area.
Particularly, the straight well well-log information of sample point in described work area can be obtained, then according to described straight well well-log information, calculate Rock Elastic Parameters and the mineral constituent parameter on sample point stratum.
Described straight well well-log information can comprise Sonic Logging Data, gamma logging data and density log data etc.
Described Rock Elastic Parameters can comprise p-wave impedance, total content of organic carbon (TOC) and fragility etc.Wherein, fragility can use the product of density and young's modulus of elasticity to represent.Namely E* ρ can be used to represent fragility, and wherein, ρ is density, and E is young's modulus of elasticity.
Described mineral constituent parameter can comprise quartz content V quartz, shale content V claywith calcite content V calcitedeng.
Further, according to described straight well well-log information, following formula (1) and formula (2) can be used to calculate p-wave impedance Z pwith young's modulus of elasticity E.
E = λ ( 3 λ + 2 μ ) λ + μ - - - ( 1 )
In formula (1),
E is young's modulus of elasticity;
λ is Lame Coefficient, and μ is modulus of shearing, λ and μ is constant, and concrete size is relevant to material.
Z P=V Pρ(2)
In formula (2),
ρ is density, V pfor velocity of longitudinal wave, specifically can obtain according to described straight well well-log information;
Z pfor p-wave impedance.
S102: the Rock Elastic Parameters data volume and the mineral constituent supplemental characteristic body that obtain described work area.
Particularly, the geological data in described work area can be obtained, generate CRP gather data according to described geological data.Then the straight well well-log information of sample point in described work area, using this straight well well-log information as pre-stack elastic inversion constraints.Last based on this straight well well-log information, pre-stack elastic inversion is carried out to described CRP gather, obtains Rock Elastic Parameters data volume and the mineral constituent supplemental characteristic body in described work area.Wherein, described Rock Elastic Parameters data volume can comprise p-wave impedance data volume, total content of organic carbon (TOC) data volume and fragility data volume etc., and described mineral constituent supplemental characteristic body can comprise quartz content V quartzdata volume, shale content V claydata volume and calcite content V calcitedata volume etc.
S103: based on described Rock Elastic Parameters and mineral constituent parameter, and described Rock Elastic Parameters data volume and mineral constituent supplemental characteristic body, obtain Fragility parameters and the total content of organic carbon parameter on each stratum in described work area.
Particularly, described Rock Elastic Parameters and described mineral constituent parameter can be carried out cross analysis, obtain the corresponding relation between Rock Elastic Parameters and mineral constituent parameter.Then according to described mineral constituent supplemental characteristic body, and the corresponding relation between Rock Elastic Parameters and mineral constituent parameter, obtain the Fragility parameters on each stratum in described work area.Such as, can by the fragility on sample point stratum and and quartz content carry out cross analysis, obtain fragility and and quartz content between corresponding relation.Then according to quartz content data volume, and described fragility and and quartz content between corresponding relation, obtain the Fragility parameters on each stratum in described work area.
Meanwhile, cross analysis can be carried out by between the Rock Elastic Parameters on sample point stratum, obtain the corresponding relation between Rock Elastic Parameters.Then according to described Rock Elastic Parameters data volume, and the corresponding relation between Rock Elastic Parameters, obtain the total content of organic carbon parameter on each stratum in described work area.Such as, the total content of organic carbon on sample point stratum and p-wave impedance can be carried out cross analysis, obtain the corresponding relation between total content of organic carbon and p-wave impedance.Then according to p-wave impedance data volume, and the corresponding relation between described total content of organic carbon and p-wave impedance, obtain the total content of organic carbon parameter on each stratum in described work area.
S104: the crack Distribution Characteristics and the horizontal stress diversity ratio that obtain described work area.
Described crack Distribution Characteristics can comprise the direction in crack and the intensity in crack.
Particularly, the geological data in described work area can be obtained, according to described seismic data acquisition crack Distribution Characteristics and horizontal stress diversity ratio (DifferentialHorizontalStressRatio, DHSR).
In some embodiments, the geological data in described work area can be obtained, then from described geological data, obtain crack Distribution Characteristics according to preset algorithm.Wherein, described preset algorithm can comprise ant body algorithm and coherence algorithm.Further, described geological data can for the geological data after superposition.
In other embodiments, the geological data in described work area can be obtained, then based on described seismic data acquisition velocity of longitudinal wave, and obtain crack Distribution Characteristics according to the anisotropy change of described velocity of longitudinal wave.Further, described geological data can for the geological data before superposition.
In other embodiments, the geological data in described work area can be obtained, then based on described seismic data acquisition shear wave velocity, and calculate S-wave impedance according to described shear wave velocity, finally obtain crack Distribution Characteristics according to the change of S-wave impedance.
In some embodiments, the geological data in described work area can be obtained, generate CRP gather data according to described geological data.Then the straight well well-log information of sample point in described work area, using this straight well well-log information as pre-stack elastic inversion constraints.Then based on this straight well well-log information, pre-stack elastic inversion is carried out to described CRP gather, obtain Rock Elastic Parameters data volume and the mineral constituent supplemental characteristic body in described work area.Last based on described Rock Elastic Parameters data volume, obtain horizontal stress diversity ratio according to following formula (3), (4) and (5).
σ = γ - 2 2 γ - 2 - - - ( 3 )
In formula (1),
σ is poisson's ratio;
v pfor velocity of longitudinal wave, V sfor shear wave velocity.
d z = g ∫ 0 z ρ ( h ) d h - - - ( 4 )
d x = d z σ ( 1 + σ ) 1 + Z N - σ 2 - - - ( 5 )
d y = d z σ ( 1 + Z N + σ ) 1 + EZ N - σ 2 - - - ( 6 )
In formula (4), (5) and (6),
wherein, Z nfor orthogonal flexibility, λ is Lame constants, and μ is modulus of shearing, and ξ is anisotropic parameters, specifically can Negotiation speed spectrum or Rock physical analysis ask for;
Z is the depth value on stratum, and g is acceleration of gravity, and ρ is density;
D xfor the stress in x-axis direction, d yfor the stress in y-axis direction, d zfor the stress in z-axis direction, wherein, the plane that x-axis and y-axis form and plane-parallel, x-axis and y-axis are mutually vertical, and z-axis is perpendicular to horizontal plane;
D H S R = d y - d x d y = EZ N 1 + EZ N - σ 2 - - - ( 7 )
In formula (7),
E is young's modulus of elasticity;
DHSR is horizontal stress diversity ratio.
S105: based on described Fragility parameters and total content of organic carbon parameter, and described crack Distribution Characteristics and horizontal stress diversity ratio, optimize the staged fracturing parameter in described work area.
Particularly, can based on the Fragility parameters on stratum each in described work area and total content of organic carbon parameter, and the crack Distribution Characteristics in described work area and horizontal stress diversity ratio, evaluate the staged fracturing parameter in described work area.Then according to evaluation result, optimize the staged fracturing parameter in described work area, make final fracturing effect reach best, thus be conducive to the fracturing reform of reservoir.Such as, the subregion higher for total content of organic carbon, fragility is comparatively large, crack is relatively grown and horizontal stress difference is less, because the rock in this subregion more easily breaks, more easily form micro-seismic event, more easily form seam net to link up, therefore can reduce the segments of this subregion, or increase the sublevel interval of this subregion, thus the cost of reservoir fracturing improvement can be saved.Correspondingly, the subregion that, crack relatively agensis less for fragility, horizontal stress differ greatly, can increase the segments of this subregion, or reduce the sublevel interval of this subregion, thus be conducive to the fracturing reform of reservoir.Wherein, described subregion is the subregion in described work area.
It should be noted that, carry out in the process of pressure break using the method described in the embodiment of the present application, man-made fracture can be diagnosed according to micro-seismic monitoring achievement on-the-spot in fracturing process, then can according to diagnostic result, and the needs of pressure break, adjust staged fracturing parameter and the construction parameter (as discharge capacity and operation pressure etc.) of horizontal well in real time.
Fig. 2 a is the horizontal well location arrangement diagram in certain level well exploration work area.
Horizontal well is explored the crack in work area, fragility, TOC and horizontal stress diversity ratio to be superimposed together by Fig. 2 b, " dessert " schematic diagram formed in described work area.
Fig. 2 c is for after the method described in utilization the embodiment of the present application, and horizontal well explores the horizontal well location arrangement diagram in work area.The elliptic region that color is darker and the more shallow elliptic region of color represent identical region respectively in Fig. 2 a and Fig. 2 c.In fig. 2 a, the region representation H1 platform in dashed rectangle.Contrasted as can be seen from Fig. 2 a and Fig. 2 c, in figure 2 c, H2 platform second (elliptic region that color is darker) is reduced to three mouthfuls of water horizontal wells by original 4 mouthfuls of water horizontal wells, and the spacing of horizontal well, quantity and direction all there occurs change.A platform of the rightmost side (in the elliptic region that color is darker) just in time passing fault because H2-5, in order to reduce the impact of tomography on later development, therefore again adjusted well location, direction changes into consistent with H1.In like manner, consider the impact of " dessert ", tomography and micro-seismic monitoring result simultaneously, adjustment be have also been made to H3 platform (elliptic region that color is more shallow) second horizontal well location.
Fig. 2 d is the micro-seismic monitoring design sketch to H1 platform.The artificial seam formed as can be seen from Fig. 2 d, H1 platform is netted communication, and effect is better.The production capacity that later stage production capacity measures this H1 platform is also better, shows that the direction of this plateau levels well is suitable.
Method described in the embodiment of the present application, Fragility parameters and the total content of organic carbon parameter on each stratum in described work area can be obtained, and the crack Distribution Characteristics in described work area and horizontal stress diversity ratio, then based on described Fragility parameters and total content of organic carbon parameter, and described crack Distribution Characteristics and horizontal stress diversity ratio, optimize the staged fracturing parameter in described work area.Compared with prior art, the embodiment of the present application can based on " dessert " factor of earthquake (as total content of organic carbon (TOC), fragility, crack) and geostatic stress factor (as horizontal stress diversity ratio), optimum level well staged fracturing parameter, thus improve the effect of optimization of staged fracturing of horizontal well parameter, give security for realizing the maximization of petroleum resources production capacity.
The embodiment of the present application also provides a kind of device of optimum level well staged fracturing parameter.As shown in Figure 3, this device can comprise the first acquisition module 301, second acquisition module 302, the 3rd acquisition module 303, the 4th acquisition module 304 and optimize module 305.Wherein,
First acquisition module 301, for obtaining Rock Elastic Parameters and the mineral constituent parameter on sample point stratum in horizontal well exploration work area;
Second acquisition module 302, for obtaining Rock Elastic Parameters data volume and the mineral constituent supplemental characteristic body in described work area;
3rd acquisition module 303, for based on described Rock Elastic Parameters and mineral constituent parameter, and described Rock Elastic Parameters data volume and mineral constituent supplemental characteristic body, obtain Fragility parameters and the total content of organic carbon parameter on each stratum in described work area;
4th acquisition module 304, for obtaining crack Distribution Characteristics and the horizontal stress diversity ratio in described work area;
Optimize module 305, for based on described Fragility parameters and total content of organic carbon parameter, and described crack Distribution Characteristics and horizontal stress diversity ratio, optimize the staged fracturing parameter in described work area.
Although depict the application by embodiment, those of ordinary skill in the art know, the application has many distortion and change and do not depart from the spirit of the application, and the claim appended by wishing comprises these distortion and change and do not depart from the spirit of the application.

Claims (12)

1. a method for optimum level well staged fracturing parameter, is characterized in that, comprising:
Obtain Rock Elastic Parameters and the mineral constituent parameter on sample point stratum in horizontal well exploration work area;
Obtain Rock Elastic Parameters data volume and the mineral constituent supplemental characteristic body in described work area;
Based on described Rock Elastic Parameters and mineral constituent parameter, and described Rock Elastic Parameters data volume and mineral constituent supplemental characteristic body, obtain Fragility parameters and the total content of organic carbon parameter on each stratum in described work area;
Obtain crack Distribution Characteristics and the horizontal stress diversity ratio in described work area;
Based on described Fragility parameters and total content of organic carbon parameter, and described crack Distribution Characteristics and horizontal stress diversity ratio, optimize the staged fracturing parameter in described work area.
2. the method for claim 1, is characterized in that, described acquisition horizontal well explores Rock Elastic Parameters and the mineral constituent parameter on sample point stratum in work area, specifically comprises:
Obtain the straight well well-log information of sample point in horizontal well exploration work area;
According to described straight well well-log information, calculate Rock Elastic Parameters and the mineral constituent parameter on sample point stratum.
3. the method for claim 1, is characterized in that, described Rock Elastic Parameters comprises p-wave impedance, total content of organic carbon and fragility;
Described mineral constituent parameter comprises quartz content, shale content and calcite content;
Correspondingly, described Rock Elastic Parameters data volume comprises p-wave impedance data volume, total content of organic carbon data volume and fragility data volume;
Described mineral constituent supplemental characteristic body comprises quartz content data volume, shale content data volume and calcite content data volume.
4. the method for claim 1, is characterized in that, the Rock Elastic Parameters data volume in the described work area of described acquisition and mineral constituent supplemental characteristic body, specifically comprise:
Obtain the geological data in described work area, generate CRP gather data according to described geological data;
Obtain the straight well well-log information of sample point in described work area;
Based on described straight well well-log information, pre-stack elastic inversion is carried out to described CRP gather data, obtain Rock Elastic Parameters data volume and the mineral constituent supplemental characteristic body in described work area.
5. the method for claim 1, is characterized in that, described Rock Elastic Parameters comprises fragility, and described mineral constituent parameter comprises quartz content, and described mineral constituent supplemental characteristic body comprises quartz content data volume;
Correspondingly, described based on described Rock Elastic Parameters and mineral constituent parameter, and described Rock Elastic Parameters data volume and mineral constituent supplemental characteristic body, obtain the Fragility parameters on each stratum in described work area, specifically comprise:
By the fragility on described sample point stratum and and quartz content carry out cross analysis, obtain fragility and and quartz content between corresponding relation;
According to described quartz content data volume, and described fragility and and quartz content between corresponding relation, obtain the Fragility parameters on each stratum in described work area.
6. the method for claim 1, is characterized in that, described Rock Elastic Parameters comprises total content of organic carbon and p-wave impedance, and described Rock Elastic Parameters data volume comprises p-wave impedance data volume;
Correspondingly, described based on described Rock Elastic Parameters and mineral constituent parameter, and described Rock Elastic Parameters data volume and mineral constituent supplemental characteristic body, obtain the total content of organic carbon parameter on each stratum in described work area, specifically comprise:
The total content of organic carbon on described sample point stratum and p-wave impedance are carried out cross analysis, obtains the corresponding relation between total content of organic carbon and p-wave impedance;
According to described p-wave impedance data volume, and the corresponding relation between described total content of organic carbon and p-wave impedance, obtain the total content of organic carbon parameter on each stratum in described work area.
7. the method for claim 1, is characterized in that, described crack Distribution Characteristics comprises the direction in crack and the intensity in crack.
8. the method for claim 1, is characterized in that, the crack Distribution Characteristics in the described work area of described acquisition, specifically comprises:
Obtain the geological data in described work area;
From described geological data, obtain the crack Distribution Characteristics in described work area according to preset algorithm, wherein, described preset algorithm comprises ant body algorithm and coherence algorithm.
9. the method for claim 1, is characterized in that, the crack Distribution Characteristics in the described work area of described acquisition, specifically comprises:
Obtain the geological data in described work area;
Based on described seismic data acquisition velocity of longitudinal wave;
The crack Distribution Characteristics in described work area is obtained according to the anisotropy change of described velocity of longitudinal wave.
10. the method for claim 1, is characterized in that, the crack Distribution Characteristics in the described work area of described acquisition, specifically comprises:
Obtain the geological data in described work area;
Based on described seismic data acquisition shear wave velocity, and calculate S-wave impedance according to described shear wave velocity;
The crack Distribution Characteristics in described work area is obtained according to the change of described S-wave impedance.
11. the method for claim 1, is characterized in that, described based on described Fragility parameters and total content of organic carbon parameter, and described crack Distribution Characteristics and horizontal stress diversity ratio, optimize the staged fracturing parameter in described work area, specifically comprise:
Based on described Fragility parameters and total content of organic carbon parameter, and described crack Distribution Characteristics and horizontal stress diversity ratio, evaluate the staged fracturing parameter in described work area;
According to evaluation result, optimize the staged fracturing parameter in described work area.
The device of 12. 1 kinds of optimum level well staged fracturing parameters, is characterized in that, comprising:
First acquisition module, for obtaining Rock Elastic Parameters and the mineral constituent parameter on sample point stratum in horizontal well exploration work area;
Second acquisition module, for obtaining Rock Elastic Parameters data volume and the mineral constituent supplemental characteristic body in described work area;
3rd acquisition module, for based on described Rock Elastic Parameters and mineral constituent parameter, and described Rock Elastic Parameters data volume and mineral constituent supplemental characteristic body, obtain Fragility parameters and the total content of organic carbon parameter on each stratum in described work area;
4th acquisition module, for obtaining crack Distribution Characteristics and the horizontal stress diversity ratio in described work area;
Optimize module, for based on described Fragility parameters and total content of organic carbon parameter, and described crack Distribution Characteristics and horizontal stress diversity ratio, optimize the staged fracturing parameter in described work area.
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