CN106611081A - Comprehensive method and system for automatically judging connectivity between fractured-vuggy reservoir production wells - Google Patents

Abstract

The invention relates to a comprehensive method and system for automatically judging connectivity between fractured-vuggy reservoir production wells. The method comprises the following steps of: according to the production data of a well group to be judged, judging the inter-well initial connectivity between any two production wells in the well group to be judged independently on the basis of the production data change, the production curve similarity, the water breakthrough time interval and the pressure drop tendency of adjacent wells when the wells are opened and closed; endowing inter-well initial connectivity, which is obtained by different judgment, between any two production wells in the well group to be judged with different weights, and obtaining the inter-well comprehensive connectivity between any two production wells in the well group to be judged; and according to the inter-well comprehensive connectivity between any two production wells in the well group to be judged, obtaining the connectivity of the well group to be judged. On the basis of conventional production dynamic data, other static data is not required; and the error of single judgment due to interference among multiple wells can be effectively avoided, the change of a practical production work system is comprehensively considered, judgement accuracy is further improved, and the judgment of the connectivity of fractured-vuggy units on the basis of the production data is realized.

Description

The integrated approach and system of automatic decision fracture-pore reservoir production inter well connectivity

Technical field

The present invention relates to reservoir engineering technical field, more particularly to a kind of automatic decision fracture-pore reservoir production interwell communication The integrated approach and system of property.

Background technology

The reservoir and flow space type of fracture-pore reservoir is various, and reservoir heterogeneity is strong, if note adopts degree of correspondence unclear, shadow Ring later stage waterflooding development effect；Therefore need to carry out oil reservoir interwell communication Journal of Sex Research, adopted with clear and definite water injection well water (flow) direction and note Parameter, it is to avoid there is the problems such as water drive is harmonious poor, and part well water harasses serious after water filling.

Conventional oil reservoir inter well connectivity research method mainly includes static method and dynamic method at present.It is static connective usual Related formation parameter is described using methods such as Strata Comparison, wireline loggings；Dynamic connectivity, typically using tracer test Method.But as fracture-pore reservoir anisotropism and well pattern scrambling are stronger, the studies above means cannot effectively recognize fracture hole body Connectedness, and there are many inter-well interferences, it is costly, it is limited using well time, whether connect for low water cut well cannot determine, shadow The problems such as ringing production efficiency.

The content of the invention

It is an object of the present invention to provide the integrated approach and system of a kind of automatic decision fracture-pore reservoir production inter well connectivity, Solve the above-mentioned problems in the prior art.

The creation data gathered in production process is various engineering factors and the coefficient result of geologic(al) factor, aqueous The change of the creation datas such as rate, Liquid output can reflect fluid motion rule, and then reflect inter well connectivity；Fracture-cavity units The oil-gas reservoir pressure system of a continuous distribution can be regarded as, meet consistent Fluid pressure rule in recovery process, according to oil Gas reservoir pressure system is theoretical, and the pressure disturbance in same fracture-cavity units seepage field can feed through to list by fluid in theory Arbitrary place in unit.

The technical scheme that the present invention solves above-mentioned technical problem is as follows：

A kind of automatic decision fracture-pore reservoir produces the integrated approach of inter well connectivity, comprises the steps：

Step 1, according to the creation data of well group to be judged, the change of adjacent well creation data, life when being based respectively on switch well Produce the well of any two mouthfuls of producing wells in similarity of curves, water breakthrough time interval and well group to be judged described in pressure drop Trend judgement Between it is initial connective；Wherein, the creation data includes the Liquid output and moisture content of each producing well different time points, and waits to sentence The pressure value of disconnected well group different time points collection；

Step 2, judges initial connective between the well of any two mouthfuls of producing wells in well group to be judged described in acquisition to different Different weights are assigned, obtains comprehensive connective between the well of any two mouthfuls of producing wells in the well group to be judged；

Step 3, according to comprehensive connective between the well of any two mouthfuls of producing wells in the well group to be judged, waits to sentence described in acquisition The connectedness of disconnected well group.

The invention has the beneficial effects as follows：Based on the conventional Production development data of three kinds of Liquid output, moisture content and pressure value, need not Various static datas；Become using creation data change, production curve similarity, water breakthrough time interval and pressure drop during switch well Gesture judges initial connective between well in terms of four respectively, and can judge initially to connect between the well for obtaining different with reference to practical experience The general character assigns different weights, obtains comprehensive connective between well, and then it is connective to obtain well group to be judged, be prevented effectively from single judgement by In the error produced by many inter-well interferences, and consider the change of actual production working system, further improve accuracy of judgement Rate, realization judge the connectedness of fracture-cavity units based on creation data.

On the basis of above-mentioned technical proposal, the present invention can also do following improvement.

Further, during the well based on switch, adjacent well creation data change is judged any two mouthfuls in the well group to be judged Between the well of producing well, initial connectedness specifically includes following steps：

Step a1, according to the Liquid output of any two mouthfuls of producing well different time points, obtains any two mouthfuls of producing wells Well opening time；The product of the producing well different time points for starting, in the first preset time period, first to drive a well is extracted from rear well opening time point Liquid measure, and linear fit is carried out under Liquid output-time coordinate system, obtain the slope of linear fit straight line；

Step a2, if the slope is less than the first predetermined threshold value, judges at the beginning of between the well of any two mouthfuls of producing wells Begin connective for connection；Conversely, not connecting.

It is to be carried out based on adjacent well production number during switch well using Liquid output using the beneficial effect of above-mentioned further scheme Judge according to change, Liquid output is to gather more complete conventional creation data during production, without the need for gathering in addition, and data Integrity is beneficial to the accuracy rate for improving analysis judgement.

Further, between the well based on any two mouthfuls of producing wells in well group to be judged described in the judgement of production curve similarity Initial connectedness specifically includes following steps：

Step b1, according to the Liquid output of any two mouthfuls of producing well different time points, obtains any two mouthfuls of producing wells Well opening time；Extraction starts in the second preset time period from rear well opening time point, any two mouthfuls of producing well different time points Liquid output, obtain the Liquid output time serieses of any two mouthfuls of producing wells respectively；

Step b2, calculates described two Liquid output seasonal effect in time series average distances using dynamic time warping algorithm；

Step b3, if the average distance is less than the second predetermined threshold value, judges the well of any two mouthfuls of producing wells Between it is initial connective for connection；Conversely, not connecting.

It is to carry out judging based on production curve similarity using Liquid output using the beneficial effect of above-mentioned further scheme, Liquid output is to gather more complete conventional creation data during production, and without the need for gathering in addition, and the integrity of data is beneficial to Improve the accuracy rate that analysis judges；And dynamic time warping algorithm is adopted in production curve similarity system design, solve between well The problems such as time lag that interference is present.

Further, step b2 specifically includes following steps：

Described two Liquid output time serieses, according to following first formula, are carried out nondimensionalization by step b21 respectively；

First formula is as follows：

Wherein, the K is the number of element in the Liquid output time serieses for treat nondimensionalization, the x_kTreat immeasurable for described The raw value of either element, the X in the Liquid output time serieses of guiding principle_kFor the nondimensionalization numerical value of the either element, The k ∈ { 1,2,3 ... K }；

Step b22, according to following second formula, constructs the distance between two Liquid output time serieses of nondimensionalization square Battle array；

Second formula is as follows：

Wherein, the D is the distance matrix, and two Liquid output time serieses of the nondimensionalization are respectively { q₁, q₂…q_i…q_nAnd { c₁,c₂…c_j…c_m, the n and m is respectively unit in two Liquid output time serieses of the nondimensionalization The number of element, the d_ijRepresent element q_iTo element c_jBetween minkowskian space distance, i ∈ { 1,2,3 ... n }, j ∈ {1,2,3……m}；

Step b23, according to following 3rd formula and the most short crooked route matrix of the 4th formula construction；

3rd formula is as follows：

4th formula is as follows：

Wherein, the H is the most short crooked route matrix, and the Dis (i, j) is element to (q₁,c₁) to element pair (q_i,c_j) most short crooked route, i ∈ { 1,2,3 ... n }, j ∈ { 1,2,3 ... m }；

Step b24, according to following 5th formula, calculates described two Liquid output seasonal effect in time series average distances；

5th formula is as follows：

Wherein, the DTW_avgFor the average distance, the Dis (n, m) is element to (q₁,c₁) to element to (q_n, c_m) most short crooked route, the N is to calculate the number of times of the 3rd formula iteration during the Dis (n, m).

Further, it is described to be spaced based on the water breakthrough time at the beginning of between the well for judging any two mouthfuls of producing wells in the well group to be judged Beginning connectedness specifically includes following steps：

Step c1, according to the moisture content of any two mouthfuls of producing well different time points, obtains any two mouthfuls of producing wells Water breakthrough time；

Step c2, if the water breakthrough time interval of any two mouthfuls of producing wells judges institute less than the 3rd predetermined threshold value State initial connective for connection between the well of any two mouthfuls of producing wells；Conversely, not connecting.

It is that moisture content is that to gather more complete routine during production raw using the beneficial effect of above-mentioned further scheme Data are produced, without the need for gathering in addition, and the integrity of data analyzes the accuracy rate for judging beneficial to improving.

Further, it is described based in well group to be judged described in pressure drop Trend judgement between the well of any two mouthfuls of producing wells at the beginning of Beginning connectedness specifically includes following steps：

Step d1, according to the pressure value of well group different time points to be judged collection, generates in pressure versus time coordinate system and is distributed Figure；

Each group in the scattergram coordinate points that there is downward trend are carried out linear fit by step d2 respectively；

Step d3, calculates the producing well of collection pressure value in each straight line institute cover time section of linear fit at described point The residual error of the coordinate points in Butut and the straight line；

Step d4, judges that residual error is not more than between the producing well of the 4th predetermined threshold value initial connective to connect between well each other Logical, residual error is more than arbitrary producing well that pressure value is gathered in producing well and the straight line institute cover time section of the 4th predetermined threshold value Between it is initial connective not connect.

It is that pressure value is the conventional creation data that gathers during production using the beneficial effect of above-mentioned further scheme, Without the need for gathering in addition；And can be fed through in fracture-cavity units by fluid based on the pressure disturbance in same fracture-cavity units seepage field The theory at arbitrary place, improves analysis judging nicety rate.

Further, the step 2 specifically includes following steps：

Step 21, order are obtained based on adjacent well creation data change, production curve similarity, water breakthrough time interval during switch well In the well group to be judged for taking, between the well of any two mouthfuls of producing wells, initial connective weight is 0.2, based on pressure drop In the well group to be judged that trend is obtained, between the well of any two mouthfuls of producing wells, initial connective weight is 0.4；

Step 22, according to following 6th formula, calculates weight total value；

6th formula is as follows：

Z=0.2A+0.2B+0.2C+0.4D

Wherein, the Z is weight total value, and described A, B and C are represented respectively and become based on adjacent well creation data during switch well It is initial between the well of any two mouthfuls of producing wells in the well group to be judged of change, production curve similarity and water breakthrough time interval acquiring Connectivity state, connection value is 1, does not connect value for 0；The D represent based on pressure drop trend obtain described in wait to sentence Initial connectivity state between the well of any two mouthfuls of producing wells in disconnected well group, connection value is 1, does not connect value for 0；

Step 23, if the weight total value is more than or equal to 0.4, judges comprehensive between the well of any two mouthfuls of producing wells Connective is connection；Conversely, not connecting.

Using the beneficial effect of above-mentioned further scheme it is, with reference to practical experience：It is initial connective equal between two kinds of judgement wells To connect, or based on initial connectedness between pressure drop Trend judgement well to connect, then actual inter well connectivity is connection Probability is larger；Judge that initial connectedness assigns weight between the well for obtaining, and improves judging nicety rate to different.

Another technical scheme of the present invention is as follows：

A kind of automatic decision fracture-pore reservoir produces the integrated system of inter well connectivity, including initial connectedness judges mould Block, comprehensive connectedness judge module and well group connectedness generation module；

The initial connective judge module, which is used for the creation data according to well group to be judged, is based respectively on switch well When adjacent well creation data change, production curve similarity, the water breakthrough time interval and pressure drop Trend judgement described in wait to judge It is initial connective between the well of any two mouthfuls of producing wells in well group；Wherein, the creation data includes each producing well different time points Liquid output and moisture content, and well group different time points to be judged collection pressure value；

The comprehensive connectedness judge module, which is used to judge any two mouthfuls in well group to be judged described in acquisition to different Between the well of producing well, initial connective tax difference weights, comprehensive between the well of any two mouthfuls of producing wells in well group to be judged described in acquisition It is connective；

Well group connectedness generation module, which is used for according in the well group to be judged between the well of any two mouthfuls of producing wells It is comprehensive connective, obtain the connectedness of the well group to be judged.

On the basis of above-mentioned technical proposal, the present invention can also do following improvement.

Further, the initial connective judge module includes that the first judging submodule, the second judging submodule, the 3rd sentence Disconnected submodule and the 4th judging submodule；

First judging submodule includes that slope solves unit and the first judging unit again；

The slope solves unit, and which is used for the Liquid output according to any two mouthfuls of producing well different time points, obtains described The well opening time of any two mouthfuls of producing wells；Extraction starts in the first preset time period from rear well opening time point, the production for first driving a well The Liquid output of well different time points, and linear fit is carried out under Liquid output-time coordinate system, obtain the oblique of linear fit straight line Rate；

First judging unit, if which is used for the slope less than the first predetermined threshold value, judges described any two It is initial connective for connection between the well of mouth producing well；Conversely, not connecting；

Second judging submodule includes that Liquid output time serieses signal generating unit, average distance solve unit and second again Judging unit；

The Liquid output time serieses signal generating unit, which is used for the product liquid according to any two mouthfuls of producing well different time points Amount, obtains the well opening time of any two mouthfuls of producing wells；Extraction starts in the second preset time period from rear well opening time point, institute The Liquid output of any two mouthfuls of producing well different time points is stated, the Liquid output time sequence of any two mouthfuls of producing wells is obtained respectively Row；

The average distance solves unit, and which is used to calculate described two Liquid output times using dynamic time warping algorithm The average distance of sequence；

Second judging unit, if which is used for the average distance less than the second predetermined threshold value, judges described appointing It is initial connective for connection between the well of two mouthfuls of producing wells of meaning；Conversely, not connecting；

3rd judging submodule includes that the water breakthrough time solves unit and the 3rd judging unit again；

The water breakthrough time solves unit, and which is used for the moisture content according to any two mouthfuls of producing well different time points, obtains The water breakthrough time of any two mouthfuls of producing wells；

3rd judging unit, if its water breakthrough time interval for being used for any two mouthfuls of producing wells is pre- less than the 3rd If threshold value, then judge initial connective for connection between the well of any two mouthfuls of producing wells；Conversely, not connecting；

4th judging submodule includes that scattergram signal generating unit, linear fit unit, residual error solve unit and the again Four judging units；

The scattergram signal generating unit, its be used for according to well group different time points to be judged gather pressure value, pressure- Time coordinate system generates scattergram；

The linear fit unit, its coordinate for being used to have each group in the scattergram respectively downward trend are clicked through Row linear fit；

The residual error solves unit, and which is used for the interior collection pressure value of each straight line institute cover time section for calculating linear fit Coordinate points of the producing well in the scattergram and the straight line residual error；

4th judging unit, which is used to judging that residual error to be not more than between the producing well of the 4th predetermined threshold value each other between well It is initial connective for connection, residual error is more than gathering pressure in producing well and the straight line institute cover time section of the 4th predetermined threshold value Between arbitrary producing well of value, initial connectedness is not connect；

The comprehensive connectedness judge module includes that weight assignment submodule, weight total value solve submodule and the 5th judgement Submodule；

The weight assignment submodule, which is used for order based on adjacent well creation data change, production curve phase during switch well Like property, water breakthrough time interval acquiring described between the well of any two mouthfuls of producing wells, initial connective weight is equal in well group to be judged For 0.2, based on pressure drop trend obtain described in initial connectedness between the well of any two mouthfuls of producing wells in well group to be judged Weight is 0.4；

The weight total value solves submodule, and which is used for according to following 6th formula, calculates weight total value；

6th formula is as follows：

Z=0.2A+0.2B+0.2C+0.4D

Wherein, the Z is weight total value, and described A, B and C are represented respectively and become based on adjacent well creation data during switch well It is initial between the well of any two mouthfuls of producing wells in the well group to be judged of change, production curve similarity and water breakthrough time interval acquiring Connectivity state, connection value is 1, does not connect value for 0；The D represent based on pressure drop trend obtain described in wait to sentence Initial connectivity state between the well of any two mouthfuls of producing wells in disconnected well group, connection value is 1, does not connect value for 0；

5th judging submodule, if which is used for the weight total value more than or equal to 0.4, judges described any two It is comprehensive connective for connection between the well of mouth producing well；Conversely, not connecting.

Further, the average distance solves unit includes that nondimensionalization subelement, distance matrix generate subelement, most short Crooked route matrix generates subelement and average distance solves subelement；

The nondimensionalization subelement, which is used for according to following first formula, respectively by described two Liquid output time sequences Row carry out nondimensionalization；

First formula is as follows：

Wherein, the K is the number of element in the Liquid output time serieses for treat nondimensionalization, the x_kTreat immeasurable for described The raw value of either element, the X in the Liquid output time serieses of guiding principle_kFor the nondimensionalization numerical value of the either element, The k ∈ { 1,2,3 ... K }；

The distance matrix generates subelement, and which is used for according to following second formula, constructs two product liquid of nondimensionalization The distance between amount time serieses matrix；

Second formula is as follows：

Wherein, the D is the distance matrix, and two Liquid output time serieses of the nondimensionalization are respectively { q₁, q₂…q_i…q_nAnd { c₁,c₂…c_j…c_m, the n and m is respectively unit in two Liquid output time serieses of the nondimensionalization The number of element, the d_ijRepresent element q_iTo element c_jBetween minkowskian space distance, i ∈ { 1,2,3 ... n }, j ∈ {1,2,3……m}；

The most short crooked route matrix generates subelement, and which is used for according to following 3rd formula and the 4th formula construction most Short crooked route matrix；

3rd formula is as follows：

4th formula is as follows：

Wherein, the H is the most short crooked route matrix, and the Dis (i, j) is element to (q₁,c₁) to element pair (q_i,c_j) most short crooked route, i ∈ { 1,2,3 ... n }, j ∈ { 1,2,3 ... m }；

The average distance solves subelement, and which is used for according to following 5th formula, calculates described two Liquid output times The average distance of sequence；

5th formula is as follows：

Wherein, the DTW_avgFor the average distance, the Dis (n, m) is element to (q₁,c₁) to element to (q_n, c_m) most short crooked route, the N is to calculate the number of times of the 3rd formula iteration during the Dis (n, m).

Description of the drawings

Fig. 1 is a kind of flow chart of the integrated approach of automatic decision fracture-pore reservoir production inter well connectivity of the invention；

Fig. 2 is a kind of theory diagram of the integrated system of automatic decision fracture-pore reservoir production inter well connectivity of the invention；

Fig. 3 is that a kind of embodiment of the integrated approach of automatic decision fracture-pore reservoir production inter well connectivity of the invention is based on Initial connectedness result schematic diagram between the well that the change of adjacent well creation data judges during switch well；

Fig. 4 is that a kind of embodiment of the integrated approach of automatic decision fracture-pore reservoir production inter well connectivity of the invention is based on Initial connectedness result schematic diagram between the well that production curve similarity judges；

Fig. 5 is that a kind of embodiment of the integrated approach of automatic decision fracture-pore reservoir production inter well connectivity of the invention is based on Initial connectedness result schematic diagram between the well that water breakthrough time interval judges；

Fig. 6 is that a kind of embodiment of the integrated approach of automatic decision fracture-pore reservoir production inter well connectivity of the invention is based on Initial connectedness result schematic diagram between the well of pressure drop Trend judgement；

Fig. 7 is that a kind of embodiment of the integrated approach of automatic decision fracture-pore reservoir production inter well connectivity of the invention is based on Pressure Distribution value and linear fit schematic diagram of the pressure drop Trend judgement in pressure versus time coordinate system；

Fig. 8 is a kind of embodiment well group of the integrated approach of automatic decision fracture-pore reservoir production inter well connectivity of the invention Connective result schematic diagram.

Specific embodiment

The principle and feature of the present invention are described below in conjunction with accompanying drawing, example is served only for explaining the present invention, and It is non-for limiting the scope of the present invention.

As shown in figure 1, a kind of automatic decision fracture-pore reservoir produces the comprehensive of inter well connectivity described in the embodiment of the present invention 1 Conjunction method, comprises the steps：

Step 1, according to the creation data of well group to be judged, the change of adjacent well creation data, life when being based respectively on switch well Produce the well of any two mouthfuls of producing wells in similarity of curves, water breakthrough time interval and well group to be judged described in pressure drop Trend judgement Between it is initial connective；Wherein, the creation data includes the Liquid output and moisture content of each producing well different time points, and waits to sentence The pressure value of disconnected well group different time points collection；In being embodied as, in well group to be judged, each producing well is according to geological structure and well Away from being determined.

Step 2, judges initial connective between the well of any two mouthfuls of producing wells in well group to be judged described in acquisition to different Different weights are assigned, obtains comprehensive connective between the well of any two mouthfuls of producing wells in the well group to be judged；

Step 3, according to comprehensive connective between the well of any two mouthfuls of producing wells in the well group to be judged, waits to sentence described in acquisition The connectedness of disconnected well group.

There is connected relation, which part in the producing well in well group to be judged in same connected system, its subsurface reservoir The working system change of producing well, such as drives a well or closing well, can cause other producing wells that certain change is presented on creation data. When wherein a bite producing well drives a well, the production yields of another mouthful of producing well for communicating therewith occurs decay, corresponding production Data time series show as downward trend.Wherein, the change of pressure value is more obvious, but considers pressure value in production process Middle collection is simultaneously imperfect, and Liquid output is to gather more complete conventional creation data during production, without the need for gather in addition, and The integrity of data is beneficial to the accuracy rate for improving analysis judgement.

Therefore, described in the embodiment of the present invention 2, a kind of automatic decision fracture-pore reservoir produces the integrated approach of inter well connectivity, On the basis of embodiment 1, adjacent well creation data change during the well based on switch is judged any two in the well group to be judged Between the well of mouth producing well, initial connectedness specifically includes following steps：

Step a1, according to the Liquid output of any two mouthfuls of producing well different time points, obtains any two mouthfuls of producing wells Well opening time；The product of the producing well different time points for starting, in the first preset time period, first to drive a well is extracted from rear well opening time point Liquid measure, and linear fit is carried out under Liquid output-time coordinate system, obtain the slope of linear fit straight line；Wherein, first preset Time period combines the desirable about 2 months time span of oil reservoir reality of work；

Step a2, if the slope is less than the first predetermined threshold value, judges at the beginning of between the well of any two mouthfuls of producing wells Begin connective for connection；Conversely, not connecting.

In same connected system, two mouthfuls of producing wells for connecting each other often show certain in the change of creation data By calculating the similarity of production curve, similarity, may determine that whether producing well connects.It is also contemplated that Liquid output is production During gather more complete conventional creation data, without the need for gathering in addition, and the integrity of data is judged beneficial to analysis is improved Accuracy rate.

Therefore, described in the embodiment of the present invention 3, a kind of automatic decision fracture-pore reservoir produces the integrated approach of inter well connectivity, It is on the basis of 1 to 2 any embodiment of embodiment, described to be judged any two in the well group to be judged based on production curve similarity Between the well of mouth producing well, initial connectedness specifically includes following steps：

Step b1, according to the Liquid output of any two mouthfuls of producing well different time points, obtains any two mouthfuls of producing wells Well opening time；Extraction starts in the second preset time period from rear well opening time point, any two mouthfuls of producing well different time points Liquid output, obtain the Liquid output time serieses of any two mouthfuls of producing wells respectively；Wherein, the second preset time period combines oil Hide the desirable about 1 year time span of reality of work；

Step b2, calculates described two Liquid output seasonal effect in time series average distances using dynamic time warping algorithm；

Step b3, if the average distance is less than the second predetermined threshold value, judges the well of any two mouthfuls of producing wells Between it is initial connective for connection；Conversely, not connecting.

Described in the embodiment of the present invention 4, a kind of automatic decision fracture-pore reservoir produces the integrated approach of inter well connectivity, in reality On the basis of applying example 3, step b2 specifically includes following steps：

Described two Liquid output time serieses, according to following first formula, are carried out nondimensionalization by step b21 respectively；

First formula is as follows：

Wherein, the K is the number of element in the Liquid output time serieses for treat nondimensionalization, the x_kTreat immeasurable for described The raw value of either element, the X in the Liquid output time serieses of guiding principle_kFor the nondimensionalization numerical value of the either element, The k ∈ { 1,2,3 ... K }；

Step b22, according to following second formula, constructs the distance between two Liquid output time serieses of nondimensionalization square Battle array；

Second formula is as follows：

Wherein, the D is the distance matrix, and two Liquid output time serieses of the nondimensionalization are respectively { q₁, q₂…q_i…q_nAnd { c₁,c₂…c_j…c_m, the n and m is respectively unit in two Liquid output time serieses of the nondimensionalization The number of element, the d_ijRepresent element q_iTo element c_jBetween minkowskian space distance, i ∈ { 1,2,3 ... n }, j ∈ {1,2,3……m}；

Step b23, according to following 3rd formula and the most short crooked route matrix of the 4th formula construction；

3rd formula is as follows：

4th formula is as follows：

Wherein, the H is the most short crooked route matrix, and the Dis (i, j) is element to (q₁,c₁) to element pair (q_i,c_j) most short crooked route, i ∈ { 1,2,3 ... n }, j ∈ { 1,2,3 ... m }；

Step b24, according to following 5th formula, calculates described two Liquid output seasonal effect in time series average distances；

5th formula is as follows：

Wherein, the DTW_avgFor the average distance, the Dis (n, m) is element to (q₁,c₁) to element to (q_n, c_m) most short crooked route, the N is to calculate the number of times of the 3rd formula iteration during the Dis (n, m).

Blowing state is in when producing well just drives a well, moisture content is relatively low, when moisture content percentage ratio has reached 2%, it is believed that see Water, the moment are the water breakthrough time.Based on oil reservoir reality of work, the water breakthrough time interval of the producing well of two mouthfuls of connections does not typically surpass 2 years are spent, based on the premise, connection can be obtained to a certain extent by analyzing the water breakthrough time relation between two mouthfuls of producing wells Relation.

Therefore, described in the embodiment of the present invention 5, a kind of automatic decision fracture-pore reservoir produces the integrated approach of inter well connectivity, It is on the basis of 1 to 4 any embodiment of embodiment, described to be judged any two mouthfuls in the well group to be judged based on water breakthrough time interval Between the well of producing well, initial connectedness specifically includes following steps：

Step c1, according to the moisture content of any two mouthfuls of producing well different time points, obtains any two mouthfuls of producing wells Water breakthrough time；

Step c2, if the water breakthrough time interval of any two mouthfuls of producing wells judges institute less than the 3rd predetermined threshold value State initial connective for connection between the well of any two mouthfuls of producing wells；Conversely, not connecting；Wherein, the 3rd predetermined threshold value is desirable does not surpass Cross the time value of 2 years.

Fracture-cavity units can regard the oil-gas reservoir pressure system of a continuous distribution as, meet consistent fluid in recovery process Pressure law, pressure disturbance same fracture-cavity units seepage field in theoretical according to oil-gas reservoir pressure system, in theory by stream Body can feed through to the arbitrary place in unit, i.e., same fracture-cavity units should have relatively uniform drop of pressure trend.

Therefore, described in the embodiment of the present invention 6, a kind of automatic decision fracture-pore reservoir produces the integrated approach of inter well connectivity, It is on the basis of 1 to 5 any embodiment of embodiment, described based on any two mouthfuls in well group to be judged described in pressure drop Trend judgement Between the well of producing well, initial connectedness specifically includes following steps：

Step d1, according to the pressure value of well group different time points to be judged collection, generates in pressure versus time coordinate system and is distributed Figure；

Each group in the scattergram coordinate points that there is downward trend are carried out linear fit by step d2 respectively；

Step d3, calculates the producing well of collection pressure value in each straight line institute cover time section of linear fit at described point The residual error of the coordinate points in Butut and the straight line；

Step d4, judges that residual error is not more than between the producing well of the 4th predetermined threshold value initial connective to connect between well each other Logical, residual error is more than arbitrary producing well that pressure value is gathered in producing well and the straight line institute cover time section of the 4th predetermined threshold value Between it is initial connective not connect.

Described in the embodiment of the present invention 7, a kind of automatic decision fracture-pore reservoir produces the integrated approach of inter well connectivity, in reality On the basis of applying 1 to 6 any embodiment of example, the step 2 specifically includes following steps：

Step 21, order are obtained based on adjacent well creation data change, production curve similarity, water breakthrough time interval during switch well In the well group to be judged for taking, between the well of any two mouthfuls of producing wells, initial connective weight is 0.2, based on pressure drop In the well group to be judged that trend is obtained, between the well of any two mouthfuls of producing wells, initial connective weight is 0.4；

Step 22, according to following 6th formula, calculates weight total value；

6th formula is as follows：

Z=0.2A+0.2B+0.2C+0.4D

Wherein, the Z is weight total value, and described A, B and C are represented respectively and become based on adjacent well creation data during switch well It is initial between the well of any two mouthfuls of producing wells in the well group to be judged of change, production curve similarity and water breakthrough time interval acquiring Connectivity state, connection value is 1, does not connect value for 0；The D represent based on pressure drop trend obtain described in wait to sentence Initial connectivity state between the well of any two mouthfuls of producing wells in disconnected well group, connection value is 1, does not connect value for 0；

Step 23, if the weight total value is more than or equal to 0.4, judges comprehensive between the well of any two mouthfuls of producing wells Connective is connection；Conversely, not connecting.

As shown in Fig. 2 a kind of automatic decision fracture-pore reservoir produces the comprehensive of inter well connectivity described in the embodiment of the present invention 1 Syzygy is united, including initial connective judge module, comprehensive connectedness judge module and well group connectedness generation module；

The initial connective judge module, which is used for the creation data according to well group to be judged, is based respectively on switch well When adjacent well creation data change, production curve similarity, the water breakthrough time interval and pressure drop Trend judgement described in wait to judge It is initial connective between the well of any two mouthfuls of producing wells in well group；Wherein, the creation data includes each producing well different time points Liquid output and moisture content, and well group different time points to be judged collection pressure value；

The comprehensive connectedness judge module, which is used to judge any two mouthfuls in well group to be judged described in acquisition to different Between the well of producing well, initial connective tax difference weights, comprehensive between the well of any two mouthfuls of producing wells in well group to be judged described in acquisition It is connective；

Well group connectedness generation module, which is used for according in the well group to be judged between the well of any two mouthfuls of producing wells It is comprehensive connective, obtain the connectedness of the well group to be judged.

Described in the embodiment of the present invention 2, a kind of automatic decision fracture-pore reservoir produces the integrated system of inter well connectivity, in reality On the basis of applying example 1, the initial connective judge module includes the first judging submodule, and first judging submodule is wrapped again Include slope and solve unit and the first judging unit；

The slope solves unit, and which is used for the Liquid output according to any two mouthfuls of producing well different time points, obtains described The well opening time of any two mouthfuls of producing wells；Extraction starts in the first preset time period from rear well opening time point, the production for first driving a well The Liquid output of well different time points, and linear fit is carried out under Liquid output-time coordinate system, obtain the oblique of linear fit straight line Rate；

First judging unit, if which is used for the slope less than the first predetermined threshold value, judges described any two It is initial connective for connection between the well of mouth producing well；Conversely, not connecting.

Described in the embodiment of the present invention 3, a kind of automatic decision fracture-pore reservoir produces the integrated system of inter well connectivity, in reality On the basis of applying 1 to 2 any embodiment of example, the initial connective judge module includes the second judging submodule, described second Judging submodule includes that Liquid output time serieses signal generating unit, average distance solve unit and the second judging unit again；

The Liquid output time serieses signal generating unit, which is used for the product liquid according to any two mouthfuls of producing well different time points Amount, obtains the well opening time of any two mouthfuls of producing wells；Extraction starts in the second preset time period from rear well opening time point, institute The Liquid output of any two mouthfuls of producing well different time points is stated, the Liquid output time sequence of any two mouthfuls of producing wells is obtained respectively Row；

The average distance solves unit, and which is used to calculate described two Liquid output times using dynamic time warping algorithm The average distance of sequence；

Second judging unit, if which is used for the average distance less than the second predetermined threshold value, judges described appointing It is initial connective for connection between the well of two mouthfuls of producing wells of meaning；Conversely, not connecting.

Described in the embodiment of the present invention 4, a kind of automatic decision fracture-pore reservoir produces the integrated system of inter well connectivity, in reality On the basis of applying example 3, the average distance solves unit includes that nondimensionalization subelement, distance matrix generate subelement, most short Crooked route matrix generates subelement and average distance solves subelement；

The nondimensionalization subelement, which is used for according to following first formula, respectively by described two Liquid output time sequences Row carry out nondimensionalization；

First formula is as follows：

Wherein, the K is the number of element in the Liquid output time serieses for treat nondimensionalization, the x_kTreat immeasurable for described The raw value of either element, the X in the Liquid output time serieses of guiding principle_kFor the nondimensionalization numerical value of the either element, The k ∈ { 1,2,3 ... K }；

The distance matrix generates subelement, and which is used for according to following second formula, constructs two product liquid of nondimensionalization The distance between amount time serieses matrix；

Second formula is as follows：

Wherein, the D is the distance matrix, and two Liquid output time serieses of the nondimensionalization are respectively { q₁, q₂…q_i…q_nAnd { c₁,c₂…c_j…c_m, the n and m is respectively unit in two Liquid output time serieses of the nondimensionalization The number of element, the d_ijRepresent element q_iTo element c_jBetween minkowskian space distance, i ∈ { 1,2,3 ... n }, j ∈ {1,2,3……m}；

The most short crooked route matrix generates subelement, and which is used for according to following 3rd formula and the 4th formula construction most Short crooked route matrix；

3rd formula is as follows：

4th formula is as follows：

Wherein, the H is the most short crooked route matrix, and the Dis (i, j) is element to (q₁,c₁) to element pair (q_i,c_j) most short crooked route, i ∈ { 1,2,3 ... n }, j ∈ { 1,2,3 ... m }；

The average distance solves subelement, and which is used for according to following 5th formula, calculates described two Liquid output times The average distance of sequence；

5th formula is as follows：

Wherein, the DTW_avgFor the average distance, the Dis (n, m) is element to (q₁,c₁) to element to (q_n, c_m) most short crooked route, the N is to calculate the number of times of the 3rd formula iteration during the Dis (n, m).

Described in the embodiment of the present invention 5, a kind of automatic decision fracture-pore reservoir produces the integrated system of inter well connectivity, in reality On the basis of applying 1 to 4 any embodiment of example, the initial connective judge module includes the 3rd judging submodule, the described 3rd Judging submodule includes that the water breakthrough time solves unit and the 3rd judging unit again；

The water breakthrough time solves unit, and which is used for the moisture content according to any two mouthfuls of producing well different time points, obtains The water breakthrough time of any two mouthfuls of producing wells；

3rd judging unit, if its water breakthrough time interval for being used for any two mouthfuls of producing wells is pre- less than the 3rd If threshold value, then judge initial connective for connection between the well of any two mouthfuls of producing wells；Conversely, not connecting.

Described in the embodiment of the present invention 6, a kind of automatic decision fracture-pore reservoir produces the integrated system of inter well connectivity, in reality On the basis of applying 1 to 5 any embodiment of example, the initial connective judge module includes the 4th judging submodule, the described 4th Judging submodule includes that scattergram signal generating unit, linear fit unit, residual error solve unit and the 4th judging unit again；

The scattergram signal generating unit, its be used for according to well group different time points to be judged gather pressure value, pressure- Time coordinate system generates scattergram；

The linear fit unit, its coordinate for being used to have each group in the scattergram respectively downward trend are clicked through Row linear fit；

The residual error solves unit, and which is used for the interior collection pressure value of each straight line institute cover time section for calculating linear fit Coordinate points of the producing well in the scattergram and the straight line residual error；

4th judging unit, which is used to judging that residual error to be not more than between the producing well of the 4th predetermined threshold value each other between well It is initial connective for connection, residual error is more than gathering pressure in producing well and the straight line institute cover time section of the 4th predetermined threshold value Between arbitrary producing well of value, initial connectedness is not connect.

Described in the embodiment of the present invention 7, a kind of automatic decision fracture-pore reservoir produces the integrated system of inter well connectivity, in reality On the basis of applying 1 to 6 any embodiment of example, the comprehensive connectedness judge module includes weight assignment submodule, weight total value Solve submodule and the 5th judging submodule；

The weight assignment submodule, which is used for order based on adjacent well creation data change, production curve phase during switch well Like property, water breakthrough time interval acquiring described between the well of any two mouthfuls of producing wells, initial connective weight is equal in well group to be judged For 0.2, based on pressure drop trend obtain described in initial connectedness between the well of any two mouthfuls of producing wells in well group to be judged Weight is 0.4；

The weight total value solves submodule, and which is used for according to following 6th formula, calculates weight total value；

6th formula is as follows：

Z=0.2A+0.2B+0.2C+0.4D

Wherein, the Z is weight total value, and described A, B and C are represented respectively and become based on adjacent well creation data during switch well It is initial between the well of any two mouthfuls of producing wells in the well group to be judged of change, production curve similarity and water breakthrough time interval acquiring Connectivity state, connection value is 1, does not connect value for 0；The D represent based on pressure drop trend obtain described in wait to sentence Initial connectivity state between the well of any two mouthfuls of producing wells in disconnected well group, connection value is 1, does not connect value for 0；

5th judging submodule, if which is used for the weight total value more than or equal to 0.4, judges described any two It is comprehensive connective for connection between the well of mouth producing well；Conversely, not connecting.

Embodiment, is judged to system in Tahe Oilfield fracture-pore reservoir inter-well dynamic connectivity using the inventive method, well Group includes 296 mouthfuls of producing wells, and creation data covers the data for being gathered for totally 15 years to 2015 calendar year 2001.

As shown in Fig. 3,4,5 and 6, respectively wherein S86 well groups are based on adjacent well creation data change, production during switch well Initial connective knot between the well of similarity of curves, water breakthrough time interval and wherein any two mouthfuls of producing wells of pressure drop Trend judgement Fruit schematic diagram, wherein, solid origin represents producing well, has line to represent and initially connect between the well of this two producing well between solid origin The general character is connection, conversely, not connecting.

As shown in fig. 7, for distribution of the pressure value in pressure versus time coordinate system in the creation data of 296 mouthfuls of producing wells and Linear fit schematic diagram, covers on May 9th, 2007 attached with which to the linear fit straight line of 2 months 2010 2 Time of Day sections from figure The position relationship of nearly producing well coordinate points, i.e. residual error are not more than the 4th predetermined threshold value, can learn result shown in Fig. 6, i.e., It is initial connective for connection between well each other between tetra- mouthfuls of producing wells of TK850, TK720, S86 and TK743.

As shown in figure 8, initial connective between the well of any two mouthfuls of producing wells obtained above-mentioned different analyses for S86 well groups Different weights are assigned, it is well group connectedness result schematic diagram to obtain comprehensive connectedness between the well of any two mouthfuls of producing wells.

As shown in table 1, to be respectively adopted in the S86 well groups obtained by the inventive method and tracer test method TK836CH producing wells connect situation contrast table with 8 other producing wells in this well group；As a result show the judgement of wherein 6 pairs of well groups As a result it coincide, rate of coincideing shows the inventive method with compared with high-accuracy up to 75%.

1 the inventive method of table and tracer test method judged result contrast table

The foregoing is only presently preferred embodiments of the present invention, not to limit the present invention, all spirit in the present invention and Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.

Claims (10)

1. a kind of automatic decision fracture-pore reservoir produces the integrated approach of inter well connectivity, it is characterised in that comprise the steps：

Step 1, according to the creation data of well group to be judged, when being based respectively on switch well, the change of adjacent well creation data, production are bent Line similarity, the water breakthrough time interval and well group to be judged described in pressure drop Trend judgement in any two mouthfuls of producing wells well between at the beginning of Begin connective；Wherein, the creation data includes the Liquid output and moisture content of each producing well different time points, and well to be judged The pressure value of group different time points collection；

Different, step 2, judges that initial connectedness is assigned not between the well of any two mouthfuls of producing wells in well group to be judged described in acquisition Same weight, obtains comprehensive connective between the well of any two mouthfuls of producing wells in the well group to be judged；

Step 3, according to comprehensive connective between the well of any two mouthfuls of producing wells in the well group to be judged, obtains the well to be judged The connectedness of group.

2. a kind of automatic decision fracture-pore reservoir produces the integrated approach of inter well connectivity, its feature according to claim 1 It is that adjacent well creation data change during the well based on switch judges the well of any two mouthfuls of producing wells in the well group to be judged Between initial connectedness specifically include following steps：

Step a1, according to the Liquid output of any two mouthfuls of producing well different time points, obtains driving a well for any two mouthfuls of producing wells Time；The Liquid output of the producing well different time points for starting, in the first preset time period, first to drive a well is extracted from rear well opening time point, And linear fit is carried out under Liquid output-time coordinate system, obtain the slope of linear fit straight line；

Step a2, if the slope is less than the first predetermined threshold value, initially connects between the well for judging any two mouthfuls of producing wells The general character is connection；Conversely, not connecting.

3. a kind of automatic decision fracture-pore reservoir produces the integrated approach of inter well connectivity, its feature according to claim 1 It is, it is described to judge initial connective between the well of any two mouthfuls of producing wells in the well group to be judged based on production curve similarity Specifically include following steps：

Step b1, according to the Liquid output of any two mouthfuls of producing well different time points, obtains driving a well for any two mouthfuls of producing wells Time；Extraction starts in the second preset time period from rear well opening time point, the product of any two mouthfuls of producing well different time points Liquid measure, obtains the Liquid output time serieses of any two mouthfuls of producing wells respectively；

Step b2, calculates described two Liquid output seasonal effect in time series average distances using dynamic time warping algorithm；

Step b3, if the average distance is less than the second predetermined threshold value, judges at the beginning of between the well of any two mouthfuls of producing wells Begin connective for connection；Conversely, not connecting.

4. a kind of automatic decision fracture-pore reservoir produces the integrated approach of inter well connectivity, its feature according to claim 3 It is that step b2 specifically includes following steps：

Described two Liquid output time serieses, according to following first formula, are carried out nondimensionalization by step b21 respectively；

First formula is as follows：

$X_k=\frac{x_k}{\frac{1}{K}{\Σ}_{k=1}^K{x}_k}$

Wherein, the K is the number of element in the Liquid output time serieses for treat nondimensionalization, the x_kNondimensionalization is treated for described Liquid output time serieses in either element raw value, the X_kFor the nondimensionalization numerical value of the either element, the k ∈{1,2,3……K}；

Step b22, according to following second formula, constructs the distance between two Liquid output time serieses of nondimensionalization matrix；

Second formula is as follows：

$D=\left(\begin{array}{ccc}{d}_{11}& \mathrm{...}& d_{1m}\\ .& & .\\ .& d_{ij}& .\\ .& & .\\ d_{n1}& \mathrm{...}& d_{nm}\end{array}\right)$

Wherein, the D is the distance matrix, and two Liquid output time serieses of the nondimensionalization are respectively { q₁,q₂… q_i…q_nAnd { c₁,c₂…c_j…c_m, element in the n and m respectively two Liquid output time serieses of the nondimensionalization Number, the d_ijRepresent element q_iTo element c_jBetween minkowskian space distance, i ∈ { 1,2,3 ... n }, j ∈ 1, 2,3……m}；

Step b23, according to following 3rd formula and the most short crooked route matrix of the 4th formula construction；

3rd formula is as follows：

$Dis(i,j)=d_{ij}+min\left\{\begin{array}{c}Dis(i-1,j-1)\\ Dis(i,j-1)\\ Dis(i-1,j)\end{array}\right.$

4th formula is as follows：

$H=\left(\begin{array}{ccc}Dis(n,1)& \mathrm{...}& Dis(n,m)\\ .& & \\ .& Dis(i,j)& \\ .& & \\ Dis(1,1)& \mathrm{...}& Dis(1,m)\end{array}\right)$

Wherein, the H is the most short crooked route matrix, and the Dis (i, j) is element to (q₁,c₁) to element to (q_i,c_j) Most short crooked route, i ∈ { 1,2,3 ... n }, j ∈ { 1,2,3 ... m }；

Step b24, according to following 5th formula, calculates described two Liquid output seasonal effect in time series average distances；

5th formula is as follows：

${\mathrm{DTW}}_{avg}=\frac{Dis(n,m)}{N}$

Wherein, the DTW_avgFor the average distance, the Dis (n, m) is element to (q₁,c₁) to element to (q_n,c_m) most Short crooked route, number of times of the N for the 3rd formula iteration during the calculating Dis (n, m).

5. a kind of automatic decision fracture-pore reservoir produces the integrated approach of inter well connectivity, its feature according to claim 1 It is, it is described that initial connective tool between the well for judging any two mouthfuls of producing wells in the well group to be judged is spaced based on the water breakthrough time Body comprises the steps：

Step c1, according to the moisture content of any two mouthfuls of producing well different time points, obtains the water breakthrough of any two mouthfuls of producing wells Time；

Step c2, if the water breakthrough time interval of any two mouthfuls of producing wells judges described appointing less than the 3rd predetermined threshold value It is initial connective for connection between the well of two mouthfuls of producing wells of meaning；Conversely, not connecting.

6. a kind of automatic decision fracture-pore reservoir produces the integrated approach of inter well connectivity, its feature according to claim 1 It is that described based in well group to be judged described in pressure drop Trend judgement, between the well of any two mouthfuls of producing wells, initial connectedness has Body comprises the steps：

Step d1, according to the pressure value of well group different time points to be judged collection, generates scattergram in pressure versus time coordinate system；

Each group in the scattergram coordinate points that there is downward trend are carried out linear fit by step d2 respectively；

Step d3, calculates the producing well of collection pressure value in each straight line institute cover time section of linear fit in the scattergram In coordinate points and the straight line residual error；

Step d4, judges that residual error is not more than between the producing well of the 4th predetermined threshold value initial connective for connection between well each other, residual Between arbitrary producing well of the difference more than collection pressure value in the producing well and straight line institute cover time section of the 4th predetermined threshold value Initial connectedness is not connect.

7. according to any one of claim 1-6, a kind of automatic decision fracture-pore reservoir produces the synthesis side of inter well connectivity Method, it is characterised in that the step 2 specifically includes following steps：

Step 21, makes based on adjacent well creation data change, production curve similarity, water breakthrough time interval acquiring during switch well In the well group to be judged, between the well of any two mouthfuls of producing wells, initial connective weight is 0.2, based on pressure drop trend In the well group to be judged for obtaining, between the well of any two mouthfuls of producing wells, initial connective weight is 0.4；

Step 22, according to following 6th formula, calculates weight total value；

6th formula is as follows：

Z=0.2A+0.2B+0.2C+0.4D

Wherein, the Z is weight total value, and described A, B and C are represented respectively based on adjacent well creation data change, life during switch well Produce and initially connect between similarity of curves and the well of any two mouthfuls of producing wells in the well group to be judged of water breakthrough time interval acquiring Character state, connection value is 1, does not connect value for 0；The D is represented based on well to be judged described in the acquisition of pressure drop trend Initial connectivity state between the well of any two mouthfuls of producing wells in group, connection value is 1, does not connect value for 0；

Step 23, if the weight total value is more than or equal to 0.4, comprehensively connects between the well for judging any two mouthfuls of producing wells Property for connection；Conversely, not connecting.

8. a kind of automatic decision fracture-pore reservoir produces the integrated system of inter well connectivity, it is characterised in that including initial connection Property judge module, comprehensive connectedness judge module and well group connectedness generation module；

The initial connective judge module, which is used for the creation data according to well group to be judged, is based respectively on switch well phase The change of offset well creation data, production curve similarity, water breakthrough time interval and well group to be judged described in pressure drop Trend judgement In any two mouthfuls of producing wells well between it is initial connective；Wherein, the creation data includes the product of each producing well different time points Liquid measure and moisture content, and the pressure value of well group different time points to be judged collection；

The comprehensive connectedness judge module, which is used to judge any two mouthfuls of production in well group to be judged described in acquisition to different Between the well of well, initial connective tax difference weights, comprehensively connect between the well of any two mouthfuls of producing wells in well group to be judged described in acquisition Property；

The well group connectedness generation module, which is used for according to comprehensive between the well of any two mouthfuls of producing wells in the well group to be judged Connectedness, obtains the connectedness of the well group to be judged.

9. a kind of automatic decision fracture-pore reservoir produces the integrated system of inter well connectivity, its feature according to claim 8 It is,

The initial connective judge module include the first judging submodule, the second judging submodule, the 3rd judging submodule and 4th judging submodule；

First judging submodule includes that slope solves unit and the first judging unit again；

The slope solves unit, and which is used for the Liquid output according to any two mouthfuls of producing well different time points, obtains described any The well opening time of two mouthfuls of producing wells；Extraction starts in the first preset time period from rear well opening time point, and the producing well for first driving a well is not With the Liquid output of time point, and linear fit is carried out under Liquid output-time coordinate system, obtain the slope of linear fit straight line；

First judging unit, if which is used for the slope less than the first predetermined threshold value, judges any two mouthfuls of lifes Produce initial connective for connection between the well of well；Conversely, not connecting；

Second judging submodule includes that Liquid output time serieses signal generating unit, average distance solve unit and second and judge again Unit；

The Liquid output time serieses signal generating unit, which is used for the Liquid output according to any two mouthfuls of producing well different time points, obtains Take the well opening time of any two mouthfuls of producing wells；Extraction starts in the second preset time period from rear well opening time point, described The Liquid output of two mouthfuls of producing well different time points of meaning, obtains the Liquid output time serieses of any two mouthfuls of producing wells respectively；

The average distance solves unit, and which is used to calculate described two Liquid output time serieses using dynamic time warping algorithm Average distance；

Second judging unit, if which is used for the average distance less than the second predetermined threshold value, judges described any two It is initial connective for connection between the well of mouth producing well；Conversely, not connecting；

3rd judging submodule includes that the water breakthrough time solves unit and the 3rd judging unit again；

The water breakthrough time solves unit, and which is used for the moisture content according to any two mouthfuls of producing well different time points, obtains described The water breakthrough time of any two mouthfuls of producing wells；

3rd judging unit, if which is used for the water breakthrough time interval of any two mouthfuls of producing wells less than the 3rd default threshold Value, then judge initial connective for connection between the well of any two mouthfuls of producing wells；Conversely, not connecting；

4th judging submodule includes that scattergram signal generating unit, linear fit unit, residual error solve unit and the 4th and sentence again Disconnected unit；

The scattergram signal generating unit, which is used for the pressure value according to well group different time points to be judged collection, in pressure versus time Coordinate system generates scattergram；

The linear fit unit, which is used to enter line to each group of coordinate points that there is downward trend in the scattergram respectively Property fitting；

The residual error solves unit, and which is used for the life of the interior collection pressure value of each straight line institute cover time section for calculating linear fit Produce the residual error of coordinate points of the well in the scattergram and the straight line；

4th judging unit, which is used to judge that residual error is initial between well each other no more than between the producing well of the 4th predetermined threshold value It is connective for connection, residual error is more than gathering pressure value in producing well and the straight line institute cover time section of the 4th predetermined threshold value Between arbitrary producing well, initial connectedness is not connect；

The comprehensive connectedness judge module includes that weight assignment submodule, weight total value solve submodule and the 5th and judge submodule Block；

The weight assignment submodule, its be used for order based on switch well when adjacent well creation data change, production curve similarity, In the well group to be judged of water breakthrough time interval acquiring, between the well of any two mouthfuls of producing wells, initial connective weight is 0.2, initial connective power between the well based on any two mouthfuls of producing wells in well group to be judged described in the acquisition of pressure drop trend 0.4 is again；

The weight total value solves submodule, and which is used for according to following 6th formula, calculates weight total value；

6th formula is as follows：

Z=0.2A+0.2B+0.2C+0.4D

Wherein, the Z is weight total value, and described A, B and C are represented respectively based on adjacent well creation data change, life during switch well Produce and initially connect between similarity of curves and the well of any two mouthfuls of producing wells in the well group to be judged of water breakthrough time interval acquiring Character state, connection value is 1, does not connect value for 0；The D is represented based on well to be judged described in the acquisition of pressure drop trend Initial connectivity state between the well of any two mouthfuls of producing wells in group, connection value is 1, does not connect value for 0；

5th judging submodule, if which is used for the weight total value more than or equal to 0.4, judges any two mouthfuls of lifes Produce comprehensive connective for connection between the well of well；Conversely, not connecting.

10. a kind of automatic decision fracture-pore reservoir produces the integrated system of inter well connectivity, its feature according to claim 9 It is that the average distance solves unit includes that nondimensionalization subelement, distance matrix generate subelement, most short crooked route square Battle array generates subelement and average distance solves subelement；

The nondimensionalization subelement, which is used for according to following first formula, enters described two Liquid output time serieses respectively Row nondimensionalization；

First formula is as follows：

$X_k=\frac{x_k}{\frac{1}{K}{\Σ}_{k=1}^K{x}_k}$

Wherein, the K is the number of element in the Liquid output time serieses for treat nondimensionalization, the x_kNondimensionalization is treated for described Liquid output time serieses in either element raw value, the X_kFor the nondimensionalization numerical value of the either element, the k ∈{1,2,3……K}；

The distance matrix generates subelement, and which is used for according to following second formula, when constructing two Liquid outputs of nondimensionalization Between the distance between sequence matrix；

Second formula is as follows：

$D=\left(\begin{array}{ccc}{d}_{11}& \mathrm{...}& d_{1m}\\ .& & .\\ .& d_{ij}& .\\ .& & .\\ d_{n1}& \mathrm{...}& d_{nm}\end{array}\right)$

Wherein, the D is the distance matrix, and two Liquid output time serieses of the nondimensionalization are respectively { q₁,q₂… q_i…q_nAnd { c₁,c₂…c_j…c_m, element in the n and m respectively two Liquid output time serieses of the nondimensionalization Number, the d_ijRepresent element q_iTo element c_jBetween minkowskian space distance, i ∈ { 1,2,3 ... n }, j ∈ 1, 2,3……m}；

The most short crooked route matrix generates subelement, and which is used for most short curved according to following 3rd formula and the 4th formula construction Bent path matrix；

3rd formula is as follows：

$Dis(i,j)=d_{ij}+min\left\{\begin{array}{c}Dis(i-1,j-1)\\ Dis(i,j-1)\\ Dis(i-1,j)\end{array}\right.$

4th formula is as follows：

$H=\left(\begin{array}{ccc}Dis(n,1)& \mathrm{...}& Dis(n,m)\\ .& & \\ .& Dis(i,j)& \\ .& & \\ Dis(1,1)& \mathrm{...}& Dis(1,m)\end{array}\right)$

Wherein, the H is the most short crooked route matrix, and the Dis (i, j) is element to (q₁,c₁) to element to (q_i,c_j) Most short crooked route, i ∈ { 1,2,3 ... n }, j ∈ { 1,2,3 ... m }；

The average distance solves subelement, and which is used for according to following 5th formula, calculates described two Liquid output time serieses Average distance；

5th formula is as follows：

${\mathrm{DTW}}_{avg}=\frac{Dis(n,m)}{N}$

Wherein, the DTW_avgFor the average distance, the Dis (n, m) is element to (q₁,c₁) to element to (q_n,c_m) most Short crooked route, number of times of the N for the 3rd formula iteration during the calculating Dis (n, m).