CN109630094A - A kind of unconventional pressure release velocity analysis method, device, system and equipment can be stored - Google Patents
A kind of unconventional pressure release velocity analysis method, device, system and equipment can be stored Download PDFInfo
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- CN109630094A CN109630094A CN201910073236.0A CN201910073236A CN109630094A CN 109630094 A CN109630094 A CN 109630094A CN 201910073236 A CN201910073236 A CN 201910073236A CN 109630094 A CN109630094 A CN 109630094A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
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- E—FIXED CONSTRUCTIONS
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- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
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- E—FIXED CONSTRUCTIONS
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- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
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Abstract
The application embodiment discloses a kind of unconventional pressure release velocity analysis method, device, system and can store equipment, and unconventional pressure release velocity analysis method includes: the inefficient water injection speed that target well group is obtained according to Production development;The nearly well Reservoir Body water storage speed that coefficient obtains target well group is stored up according to well;The unconventional pressure release speed of target well group is determined using the inefficient water injection speed and the nearly well Reservoir Body water storage speed;Target well group is analyzed using the unconventional pressure release speed, obtains effective waterflood injection rate, the practical plug agent amount, practical injection-production ratio of target well group;Target well group oil reservoir development measure is determined according to effective waterflood injection rate, the practical plug agent amount, the practical injection-production ratio.
Description
Technical field
This application involves hyposmosis and compact oil reservoir development field, in particular to a kind of unconventional pressure release velocity analysis side
Method, device, system and equipment can be stored.
Background technique
For hypotonic/fine and close or Conglomerate Reservoir, high pressure water injection or nearly well pressure break can often make injection well nearby develop fracture network
Network.When target well group waterflooding extraction, a part injection water can enter non-object layer along fracture network, and it is small the effective ratio of water filling occur
In 1 the case where;A part injection water can form nearly well water Reservoir Body in water injection well near wellbore.Not with the concept of conventional water enchroachment (invasion)
Together, the phenomenon that injection water enters non-object layer can be described as " unconventional pressure release " phenomenon.How unconventional pressure release journey is accurately characterized
Degree, in the treatment process such as reservoir waterflooding, pressure break, has been particularly important.
Currently, there are no in-depth studies in terms of unconventional pressure release: excessive for well storage to lead to well storage exception and substance
Non-conservation leads to the phenomenon of Production development exception, is not yet realized;During high pressure water injection or nearly well pressure break, without accurate
Specifically indicate the parameter and calculation method of unconventional pressure release speed.Waterflood injection rate, plug agent amount when this results in work on the spot
It is mismatched with injection-production ratio and reservoir actual conditions, fill the water and stifled recruitment evaluation is adjusted also to will receive influence, for subsequent production, in advance
It surveys work and has buried hidden danger.
Summary of the invention
The purpose of the application embodiment is to provide a kind of unconventional pressure release velocity analysis method, device, system and can deposit
Equipment is stored up, the technical program is using more accurately unconventional pressure release speed solves existing waterflood injection rate, plug agent amount and note
Adopt than etc. parameters and the unmatched problem of reservoir actual conditions so that the scientific and reasonable formulation development technique political affairs of hypotonic/compact oil reservoir
Plan is achieved.
To achieve the above object, the application embodiment provides a kind of unconventional pressure release velocity analysis method, comprising:
The inefficient water injection speed of target well group is obtained according to Production development;
The nearly well Reservoir Body water storage speed that coefficient obtains target well group is stored up according to well;
The unconventional pressure release of target well group is determined using the inefficient water injection speed and the nearly well Reservoir Body water storage speed
Speed;
Target well group is analyzed using the unconventional pressure release speed.
After injection water reaches stratum, a part of water does not enter into target zone, but scurries into other layers or enter nearly well and store up
Collective.The water for not entering into target zone does not play the role of displacement, is referred to as inefficient water injection;Water breakthrough enters other layers, to target zone
For be a kind of pressure release behavior, be referred to as unconventional pressure release;The high-pressure water body for being stored near wellbore is known as nearly well to preserve
Body.
The target well group is the well group of practical study.The inefficient water injection coefficient is under unit time, unit pressure difference
Inefficient water injection amount;The unconventional pressure release speed is to evaluate the physical quantity of unconventional pressure release speed;The nearly well Reservoir Body volume
For nearly well fracture network volume;The nearly well Reservoir Body water storage volume is for former fracture network volume and because the compressibility of water makes crack
The sum of the water body volume that network stores more.
Effective waterflood injection rate is the well group waterflood injection rate for removing unconventional pressure release speed;The practical plug agent amount is
The sum of plug agent amount and closure destination layer plug agent amount of unconventional pressure release loss;The practical injection-production ratio is removal inefficient water injection
The well group waterflood injection rate and well group of speed produce the ratio between liquid speed degree.
Preferably, the step of being analyzed using the unconventional pressure release speed target well group include:
The effective waterflood injection rate, practical plug agent amount, practical note of target well group are obtained using the unconventional pressure release speed
Adopt ratio;
The oil of target well group is determined according to effective waterflood injection rate, the practical plug agent amount, the practical injection-production ratio
Hide development stimulation.
Preferably, include: according to the step of inefficient water injection speed of Production development acquisition target well group
Obtain the mean reservoir pressure of target well group well group;
Difference between reservoir pre ssure and injection pressure is obtained using the mean reservoir pressure;
The difference between reservoir pre ssure and injection pressure is the difference of water injection well flowing bottomhole pressure (FBHP) and reservoir current average reservoir pressure;
Inefficient water injection amount is obtained according to the difference between reservoir pre ssure and injection pressure;
Inefficient water injection coefficient is obtained based on the inefficient water injection amount;
Inefficient water injection speed is obtained according to the inefficient water injection coefficient and the difference between reservoir pre ssure and injection pressure.
Preferably, storing up the step of coefficient obtains the nearly well Reservoir Body water storage speed of target well group according to well includes:
The nearly well Reservoir Body volume of target well group water injection well is obtained using well storage coefficient;
Nearly well Reservoir Body water storage volume is obtained according to the nearly well Reservoir Body volume of the water injection well;
The nearly well Reservoir Body water storage speed of target well group is obtained according to the nearly well Reservoir Body water storage volume.
Preferably, the inefficient water injection speed subtracts the nearly well Reservoir Body water storage speed and obtains the unconventional pressure release speed
Degree.
Preferably, effective waterflood injection rate subtracts the unconventional pressure release speed using well group waterflood injection rate and obtains.
Preferably, the practical plug agent amount utilizes effective plug agent amount, well group waterflood injection rate, the unconventional pressure release speed
Degree obtains.
Preferably, the practical injection-production ratio is obtained by well group waterflood injection rate, the unconventional pressure release speed and production liquid speed degree
It takes.
To achieve the above object, the application embodiment provides a kind of unconventional pressure release velocity analysis device, comprising:
Inefficient water injection speed acquiring unit, for obtaining the inefficient water injection speed of target well group according to Production development;
Nearly well Reservoir Body water storage speed acquiring unit, for storing up the nearly well Reservoir Body storage that coefficient obtains target well group according to well
Water speed;
Unconventional pressure release speed acquiring unit, for utilizing the inefficient water injection speed and the nearly well Reservoir Body water storage speed
Spend the unconventional pressure release speed for determining target well group;
Analytical unit, for being analyzed using the unconventional pressure release speed target well group.
Preferably, analytical unit includes:
Water filling and the stifled quantization modules of tune, for obtaining effective water filling speed of target well group using the unconventional pressure release speed
Degree, practical plug agent amount, practical injection-production ratio;
Development stimulation module, for according to effective waterflood injection rate, the practical plug agent amount, the practical injection-production ratio
Determine the oil reservoir development measure of target well group.
Preferably, the inefficient water injection speed acquiring unit includes:
Mean reservoir pressure obtains module, for obtaining the mean reservoir pressure of target well group well group;
Difference between reservoir pre ssure and injection pressure obtains module, for obtaining difference between reservoir pre ssure and injection pressure using the mean reservoir pressure;
Inefficient water injection amount obtains module, for obtaining inefficient water injection amount according to the difference between reservoir pre ssure and injection pressure;
Inefficient water injection coefficient obtains module, for obtaining inefficient water injection coefficient based on the inefficient water injection amount;
Inefficient water injection speed calculation module, for obtaining invalid note according to the inefficient water injection coefficient and the difference between reservoir pre ssure and injection pressure
Water speed.
Preferably, the nearly well Reservoir Body water storage speed acquiring unit includes:
Nearly well Reservoir Body volume obtains module, for obtaining the nearly well Reservoir Body of target well group water injection well using well storage coefficient
Volume;
Nearly well Reservoir Body water storage volume obtains module, for obtaining nearly well according to the nearly well Reservoir Body volume of the water injection well
Reservoir Body water storage volume;
Nearly well Reservoir Body water storage acceleration module, for obtaining the close of target well group according to the nearly well Reservoir Body water storage volume
Well Reservoir Body water storage speed.
Preferably, the water filling and tune block up quantifying unit and subtract the unconventional pressure release speed using the waterflood injection rate of well group
Obtain effective waterflood injection rate.
Preferably, the water filling and the stifled quantifying unit of tune using effective plug agent amount, well group waterflood injection rate, it is described very
It advises pressure release speed and obtains the practical plug agent amount.
Preferably, the water filling and the stifled quantifying unit of tune by the waterflood injection rate of well group, the unconventional pressure release speed and
It produces liquid speed degree and obtains the practical injection-production ratio.
To achieve the above object, the application embodiment provides a kind of electronic equipment again, including memory, processor and
It is stored in the computer program that can be run on the memory and on the processor, the processor executes the computer
The unconventional pressure release velocity analysis method disclosed by the embodiments of the present invention is realized when program.
To achieve the above object, the application embodiment is stored thereon with computer program in a kind of readable storage medium storing program for executing,
The computer program is performed the step for realizing the unconventional pressure release velocity analysis method disclosed by the embodiments of the present invention
Suddenly.
Therefore compared with prior art, it is obtained in terms of the comprehensive Production development of the technical program and well storage coefficient two
Unconventional pressure release speed, the unconventional pressure release speed based on acquisition is analyzed, to solve existing waterflood injection rate, plug agent amount
With the parameters such as injection-production ratio and the unmatched problem of reservoir actual conditions so that scientific and reasonable the formulations exploitation skill of hypotonic/compact oil reservoir
Art policy is achieved, and provides reliable foundation for further well stimulation.
Detailed description of the invention
It, below will be to embodiment in order to illustrate more clearly of the application embodiment or technical solution in the prior art
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments as described in this application, for those of ordinary skill in the art, in not making the creative labor property
Under the premise of, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of unconventional pressure release velocity analysis method flow chart of this disclosure;
Fig. 2 is a kind of functional block diagram of unconventional pressure release velocity analysis device of this disclosure;
Fig. 3 is a kind of electronic equipment schematic diagram that the embodiment of the present application proposes.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in mode is applied, the technical solution in the application embodiment is clearly and completely described, it is clear that described
Embodiment is only a part of embodiment of the application, rather than whole embodiments.Based on the embodiment party in the application
Formula, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, is all answered
When the range for belonging to the application protection.
The working principle of the technical scheme is as follows: to evaluate the unconventional pressure release speed of injection well, establish based on Production development
The fast quantization method of coefficient is stored up with well, so that it is more accurate when calculating effective waterflood injection rate, to the water filling of guidance scene or pressure
Splitting operation has important practice significance.
Based on foregoing description, this specification provides a kind of unconventional pressure release velocity analysis method, as shown in Figure 1.It is described true
Stand oil hiding development stimulation method can be applied in server.Specifically, the server, which can be, is capable of providing query service
Website Batch Processing server.In the present embodiment, the server can have data operation, storage function for one
The electronic equipment of energy and network interaction function;Or run in the electronic equipment, it is data processing, storage and network
Interaction provides the software supported.Do not limit the quantity of the server specifically in the present embodiment.The server can be with
It can also be several servers, alternatively, the server cluster that several servers are formed for a server.Include:
Step 101): the inefficient water injection speed of target well group is obtained according to Production development.
In the present embodiment, the step of inefficient water injection speed of acquisition target well group includes:
Obtain the mean reservoir pressure of target well group well group;Wherein, according to the flowing bottomhole pressure (FBHP) of water injection well in well group and production
The flowing bottomhole pressure (FBHP) of well acquires well group mean reservoir pressure p using arithmetic mean methodi。
Difference between reservoir pre ssure and injection pressure is obtained using the mean reservoir pressure;Wherein, the well acquired is subtracted using water injection well flowing bottomhole pressure (FBHP)
Group mean reservoir pressure, can be obtained well group difference between reservoir pre ssure and injection pressure Δ p.
Inefficient water injection amount is obtained according to the difference between reservoir pre ssure and injection pressure;Wherein, the expression formula of inefficient water injection amount are as follows:
We=(NpBo+Wp-Wi)-NCtBoiΔp (1)
Wherein, WeFor inefficient water injection amount;NpFor cumulative oil production;BoIt is p for well group mean reservoir pressureiWhen formation crude
Oil volume coefficient;WpFor cumulative water production;WiFor cumulative water injected;N is the initial reserves of well group;CtFor system compressibility;Boi
For oil volume factor;Δ p is well group difference between reservoir pre ssure and injection pressure.
Inefficient water injection coefficient is obtained based on the inefficient water injection amount;Wherein, inefficient water injection COEFFICIENT K2Expression formula are as follows:
Wherein, WeFor inefficient water injection amount;K2For inefficient water injection coefficient;piFor mean reservoir pressure;p0To pnFor different time
Under water filling well pressure;T is water injection time.
Inefficient water injection speed is obtained according to the inefficient water injection coefficient and the difference between reservoir pre ssure and injection pressure.Wherein, inefficient water injection speed
qe1Expression formula are as follows:
qe1=K2Δp (3)
Wherein, qe1For inefficient water injection speed, Δ p is well group difference between reservoir pre ssure and injection pressure.
Step 102): the nearly well Reservoir Body water storage speed that coefficient obtains target well group is stored up according to well.
In the present embodiment, step 102 includes:
Obtain the nearly well Reservoir Body volume of target well group water injection well;Wherein, the expression of the nearly well Reservoir Body volume V of water injection well
Formula are as follows:
Wherein, V is the nearly well Reservoir Body volume of water injection well;C is that the well of water injection well stores up coefficient;CwFor the water compressed coefficient.
Nearly well Reservoir Body water storage volume is obtained according to the nearly well Reservoir Body volume of the water injection well;Wherein, nearly well Reservoir Body storage
The expression formula of water volume Δ V are as follows:
Δ V=Δ pCw·V+V (5)
Wherein, Δ V is nearly well Reservoir Body water storage volume;V is the nearly well Reservoir Body volume of water injection well.
Nearly well Reservoir Body water storage speed is obtained according to the nearly well Reservoir Body water storage volume;Wherein nearly well Reservoir Body water storage speed
Spend qe2Expression formula are as follows:
Wherein, qe2For nearly well Reservoir Body water storage speed;Δ V is nearly well Reservoir Body water storage volume;T is water injection time.
Step 103): the non-of target well group is determined using the inefficient water injection speed and the nearly well Reservoir Body water storage speed
Conventional pressure release speed;Wherein, unconventional pressure release velocity expression are as follows:
qe=qe1-qe2 (7)
Wherein, qe1For inefficient water injection speed;qe2For nearly well Reservoir Body water storage speed;qeFor unconventional pressure release speed.
Step 104): target well group is analyzed using the unconventional pressure release speed.
In practical applications, effective waterflood injection rate of target well group is obtained using the unconventional pressure release speed, reality is blocked up
Agent dosage, practical injection-production ratio.Wherein,
The expression formula of effective waterflood injection rate of target well group are as follows:
qr=qi-qe (8)
In formula, qrFor effective waterflood injection rate;qiFor well group waterflood injection rate;qeFor unconventional pressure release speed.
The expression formula of practical plug agent amount are as follows:
In formula, QiFor practical plug agent amount;Q is effective plug agent amount;qeFor unconventional pressure release speed;qiFor well group water filling
Speed.
The expression formula of practical injection-production ratio are as follows:
In formula, IW is practical injection-production ratio;qiFor well group waterflood injection rate;qe1For inefficient water injection speed;W is that well group produces liquid speed
Degree.
Then, target well group is determined according to effective waterflood injection rate, the practical plug agent amount, the practical injection-production ratio
Oil reservoir development measure.
More intuitively the technical program is understood to have, now using the unconventional pressure release of certain low permeability oil field of the above method
Illustrate the specific embodiment of the technical program for characterization process.
There is a typical five-spot pattern well group, the calculating parameter of typical well group is as shown in table 1.
Table 1
Using 1~formula of formula 3, it is 11.27MPa that well group mean reservoir pressure, which is calculated, inefficient water injection amount is 3.7 ×
104m3, inefficient water injection coefficient is 5.8m3/ (MPad), inefficient water injection speed are 24.30m3/d。
The water injection time of the well group is 396 days, difference between reservoir pre ssure and injection pressure 4.18MPa, and the water compressed coefficient is 0.5 × 10-4MPa-1,
It is 0.12m that water injection well well, which stores up coefficient,3/MPa.According to 4~formula of formula 6, it is 2400m that the nearly well Reservoir Body volume of water injection well, which is calculated,3,
Nearly well Reservoir Body water storage volume is 2400.50m3, nearly well Reservoir Body water storage speed is 6.0619m3/d.Using formula 7, calculate
It is 18.2381m to unconventional pressure release speed3/d。
Utilize the unconventional pressure release speed of above-mentioned acquisition, in terms of calculating effective waterflood injection rate, well group waterflood injection rate qi
For 40.3m3/ d calculates the amount of being efficiently injected into q according to formula (8)rFor 22.0619m3/d.In terms of calculating practical plug agent amount, when
Effective plug agent amount is designed as 300m3When, chemical plugging agent effective dose Q needed for the well group is calculated using formula (9) is
550m3.In terms of calculating practical injection-production ratio, it is 21.28m which, which produces liquid speed degree W,3/ d calculates practical note according to formula (10)
Adopting than IW is 0.75.
The effective waterflood injection rate and practical injection-production ratio, reservoir management person for calculating offer according to the present invention can formulate more adduction
The reservoir management measure of reason, including change the note amount of adopting, administer pit shaft situation etc..Meanwhile the present invention calculates the practical blocking agent provided
Dosage can be used for instructing the profile control and water plugging of oil reservoir to work.
The inefficient water injection speed q that the present embodiment is calculated according to Production developmente1The nearly well being calculated with well storage coefficient
Reservoir Body water storage speed qe2, establish unconventional pressure release speed qeCalculation method, compensate at this stage to unconventional pressure release speed
The blank of characterization solves the characterization problems that injection water in hypotonic/fine and close or Conglomerate Reservoir enters non-object layer.To solve
Parameters and the unmatched problem of reservoir actual conditions such as waterflood injection rate, plug agent amount and injection-production ratio in hypotonic/compact oil reservoir exploitation,
Reliable foundation is provided for further well stimulation.
As shown in Fig. 2, a kind of functional block diagram of unconventional pressure release velocity analysis device for this disclosure.Include:
Inefficient water injection speed acquiring unit 201, for obtaining the inefficient water injection speed of target well group according to Production development;
Nearly well Reservoir Body water storage speed acquiring unit 202, the nearly well for storing up coefficient acquisition target well group according to well preserve
Body water storage speed;
Unconventional pressure release speed acquiring unit 203, for being stored up using the inefficient water injection speed and the nearly well Reservoir Body
Water speed determines the unconventional pressure release speed of target well group;
Analytical unit 204, for being analyzed using the unconventional pressure release speed target well group.
In the present embodiment, analytical unit 204 includes:
Water filling and the stifled quantization modules of tune, for obtaining effective water filling speed of target well group using the unconventional pressure release speed
Degree, practical plug agent amount, practical injection-production ratio;
Development stimulation module, for according to effective waterflood injection rate, the practical plug agent amount, the practical injection-production ratio
Determine the oil reservoir development measure of target well group.
In the present embodiment, the inefficient water injection speed acquiring unit 201 includes:
Mean reservoir pressure obtains module, for obtaining the mean reservoir pressure of target well group well group;
Difference between reservoir pre ssure and injection pressure obtains module, for obtaining difference between reservoir pre ssure and injection pressure using the mean reservoir pressure;
Inefficient water injection amount obtains module, for obtaining inefficient water injection amount according to the difference between reservoir pre ssure and injection pressure;
Inefficient water injection coefficient obtains module, for obtaining inefficient water injection coefficient based on the inefficient water injection amount;
Inefficient water injection speed calculation module, for obtaining invalid note according to the inefficient water injection coefficient and the difference between reservoir pre ssure and injection pressure
Water speed.
In the present embodiment, the mean reservoir pressure obtains flowing bottomhole pressure (FBHP) and production of the module based on water injection well in well group
The flowing bottomhole pressure (FBHP) of well obtains the mean reservoir pressure of target well group well group using arithmetic mean method.
In the present embodiment, the difference between reservoir pre ssure and injection pressure obtains module and the flowing bottomhole pressure (FBHP) of the water injection well is subtracted the target well
The mean reservoir pressure of well group is organized to obtain the difference between reservoir pre ssure and injection pressure.
In the present embodiment, the inefficient water injection speed acquiring module utilizes the fifty-fifty lamination of the target well group well group
The production time of the pressure of each water injection well and corresponding water injection well in the nearly well amount of power, the inefficient water injection, target well group well group
Obtain the inefficient water injection speed.
In the present embodiment, the nearly well Reservoir Body water storage speed acquiring unit includes:
Water injection well well stores up coefficient and obtains module, the well storage system of the water injection well for obtaining target well group by well test analysis
Number;
Nearly well Reservoir Body water storage speed calculation module, the well for the water injection well according to the target well group store up coefficient, note
The pressure change of water injection well, water injection time obtain the nearly well Reservoir Body water storage speed of the target well group in the water phase.
In the present embodiment, the unconventional pressure release speed acquiring unit includes:
Unconventional pressure release speed acquiring module subtracts nearly well Reservoir Body water storage speed according to inefficient water injection speed and obtains very
Advise pressure release speed.
In the present embodiment, the water filling and the stifled quantifying unit of tune subtract described unconventional let out using the waterflood injection rate of well group
Speed is pressed to obtain effective waterflood injection rate.
In the present embodiment, the water filling and the stifled quantifying unit of tune utilize effective plug agent amount, the waterflood injection rate of well group, institute
It states unconventional pressure release speed and obtains the practical plug agent amount.
In the present embodiment, the water filling and the stifled quantifying unit of tune pass through well group waterflood injection rate, the unconventional pressure release speed
Degree and well group produce liquid speed degree and obtain the practical injection-production ratio.
As shown in figure 3, a kind of electronic equipment schematic diagram proposed for the embodiment of the present application.Including memory, processor with
And it is stored in the computer program that can be run on the memory and on the processor, the processor executes the calculating
Unconventional pressure release velocity analysis method described above is realized when machine program.
This specification embodiment provides stand oil really and hides development stimulation method, and memory and processor are realized specific
Function can contrast explanation with the aforementioned embodiments in this specification, and can reach the technology effect of aforementioned embodiments
Fruit just repeats no more here.
In the present embodiment, the memory may include the physical unit for storing information, usually by information
It is stored again with the media using the methods of electricity, magnetic or optics after digitlization.Memory described in present embodiment again may be used
To include: to store the device of information, such as RAM, ROM in the way of electric energy;The device of information is stored in the way of magnetic energy, it is such as hard
Disk, floppy disk, tape, core memory, magnetic bubble memory, USB flash disk;Using the device of optical mode storage information, such as CD or DVD.
Certainly, there are also memories of other modes, such as quantum memory, graphene memory etc..
In the present embodiment, the processor can be implemented in any suitable manner.For example, the processor can be with
Take such as microprocessor or processor and storage can by (micro-) processor execute computer readable program code (such as
Software or firmware) computer-readable medium, logic gate, switch, specific integrated circuit (Application Specific
Integrated Circuit, ASIC), programmable logic controller (PLC) and the form etc. for being embedded in microcontroller.
In the present embodiment, it is also proposed that a kind of readable storage medium storing program for executing is stored thereon with computer program, the computer journey
Sequence is performed the step of realizing unconventional pressure release velocity analysis method described above.
Therefore the technical program solves when big technical policy is opened in hypotonic/fine and close or Conglomerate Reservoir formulation and calculates knot
The problems such as fruit is unstable, effect prediction is poor, so that hypotonic/fine and close or Conglomerate Reservoir scientific development is achieved.
In the 1990s, the improvement of a technology can be distinguished clearly be on hardware improvement (for example,
Improvement to circuit structures such as diode, transistor, switches) or software on improvement (improvement for method flow).So
And with the development of technology, the improvement of current many method flows can be considered as directly improving for hardware circuit.
Designer nearly all obtains corresponding hardware circuit by the way that improved method flow to be programmed into hardware circuit.Cause
This, it cannot be said that the improvement of a method flow cannot be realized with hardware entities module.For example, programmable logic device
(Programmable Logic Device, PLD) (such as field programmable gate array (Field Programmable Gate
Array, FPGA)) it is exactly such a integrated circuit, logic function determines device programming by user.By designer
Voluntarily programming comes a digital display circuit " integrated " on a piece of PLD, designs and makes without asking chip maker
Dedicated IC chip.Moreover, nowadays, substitution manually makes IC chip, this programming is also used instead mostly " is patrolled
Volume compiler (logic compiler) " software realizes that software compiler used is similar when it writes with program development,
And the source code before compiling also write by handy specific programming language, this is referred to as hardware description language
(Hardware Description Language, HDL), and HDL is also not only a kind of, but there are many kind, such as ABEL
(Advanced Boolean Expression Language)、AHDL(Altera Hardware Description
Language)、Confluence、CUPL(Cornell University Programming Language)、HDCal、JHDL
(Java Hardware Description Language)、Lava、Lola、MyHDL、PALASM、RHDL(Ruby
Hardware Description Language) etc., VHDL (Very-High-Speed is most generally used at present
Integrated Circuit Hardware Description Language) and Verilog2.Those skilled in the art
It will be apparent to the skilled artisan that only needing method flow slightly programming in logic and being programmed into integrated circuit with above-mentioned several hardware description languages
In, so that it may it is readily available the hardware circuit for realizing the logical method process.
It is also known in the art that in addition to realizing client and server in a manner of pure computer readable program code
In addition, completely can by by method and step carry out programming in logic come so that client and server with logic gate, switch, dedicated
The form of integrated circuit, programmable logic controller (PLC) and insertion microcontroller etc. realizes identical function.Therefore this client
It is considered a kind of hardware component with server, and the device for realizing various functions for including in it can also be regarded
For the structure in hardware component.Or even, can will be considered as realizing the device of various functions either implementation method
Software module can be the structure in hardware component again.
As seen through the above description of the embodiments, those skilled in the art can be understood that the application can
It realizes by means of software and necessary general hardware platform.Based on this understanding, the technical solution essence of the application
On in other words the part that contributes to existing technology can be embodied in the form of software products, the computer software product
It can store in storage medium, such as ROM/RAM, magnetic disk, CD, including some instructions are used so that a computer equipment
(can be personal computer, server or the network equipment etc.) executes each embodiment of the application or embodiment
Method described in certain parts.
Each embodiment in this specification is described in a progressive manner, same and similar between each embodiment
Part may refer to each other, what each embodiment stressed is the difference with other embodiments.In particular, needle
For the embodiment of client and server, the introduction control for being referred to the embodiment of preceding method is explained.
The application can describe in the general context of computer-executable instructions executed by a computer, such as program
Module.Generally, program module includes routines performing specific tasks or implementing specific abstract data types, programs, objects, group
Part, data structure etc..The application can also be practiced in a distributed computing environment, in these distributed computing environments, by
Task is executed by the connected remote processing devices of communication network.In a distributed computing environment, program module can be with
In the local and remote computer storage media including storage equipment.
Although depicting the application by embodiment, it will be appreciated by the skilled addressee that there are many deformations by the application
With variation without departing from spirit herein, it is desirable to which the attached claims include these deformations and change without departing from the application
Spirit.
Claims (10)
1. a kind of unconventional pressure release velocity analysis method characterized by comprising
The inefficient water injection speed of target well group is obtained according to Production development;
The nearly well Reservoir Body water storage speed that coefficient obtains target well group is stored up according to well;
The unconventional pressure release speed of target well group is determined using the inefficient water injection speed and the nearly well Reservoir Body water storage speed;
Target well group is analyzed using the unconventional pressure release speed.
2. the method as described in claim 1, which is characterized in that divided using the unconventional pressure release speed target well group
The step of analysis includes:
Effective waterflood injection rate, the practical plug agent amount, practical injection-production ratio of target well group are obtained using the unconventional pressure release speed;
Target well group oil reservoir development is determined according to effective waterflood injection rate, the practical plug agent amount, the practical injection-production ratio
Measure.
3. the method as described in claim 1, which is characterized in that obtain the inefficient water injection speed of target well group according to Production development
The step of include:
Obtain the mean reservoir pressure of target well group well group;
Difference between reservoir pre ssure and injection pressure is obtained using the mean reservoir pressure;
Inefficient water injection amount is obtained according to the difference between reservoir pre ssure and injection pressure;
Inefficient water injection coefficient is obtained based on the inefficient water injection amount;
Inefficient water injection speed is obtained according to the inefficient water injection coefficient and the difference between reservoir pre ssure and injection pressure.
4. the method as described in claim 1, which is characterized in that store up the nearly well Reservoir Body storage that coefficient obtains target well group according to well
The step of water speed includes:
The nearly well Reservoir Body volume of target well group water injection well is obtained using well storage coefficient;
Nearly well Reservoir Body water storage volume is obtained according to the nearly well Reservoir Body volume of the water injection well;
The nearly well Reservoir Body water storage speed of target well group is obtained according to the nearly well Reservoir Body water storage volume.
5. the method as described in claim 1, which is characterized in that the inefficient water injection speed subtracts the nearly well Reservoir Body water storage
Speed obtains the unconventional pressure release speed.
6. method according to claim 2, which is characterized in that effective waterflood injection rate subtracts institute using well group waterflood injection rate
Unconventional pressure release speed is stated to obtain.
7. method according to claim 2, which is characterized in that the practical plug agent amount utilizes effective plug agent amount, well group
Waterflood injection rate, the unconventional pressure release speed obtain.
8. method according to claim 2, which is characterized in that the practical injection-production ratio passes through well group waterflood injection rate, described non-
Conventional pressure release speed and production liquid speed degree obtain.
9. a kind of unconventional pressure release velocity analysis device characterized by comprising
Inefficient water injection speed acquiring unit, for obtaining the inefficient water injection speed of target well group according to Production development;
Nearly well Reservoir Body water storage speed acquiring unit, for storing up the nearly well Reservoir Body water storage speed that coefficient obtains target well group according to well
Degree;
Unconventional pressure release speed acquiring unit, for true using the inefficient water injection speed and the nearly well Reservoir Body water storage speed
Set the goal the unconventional pressure release speed of well group;
Analytical unit, for being analyzed using the unconventional pressure release speed target well group.
10. unconventional pressure release velocity analysis device as claimed in claim 9, which is characterized in that the analytical unit includes:
Water filling and adjust stifled quantization modules, for obtained using the unconventional pressure release speed target well group effective waterflood injection rate,
Practical plug agent amount, practical injection-production ratio;
Development stimulation module, for being determined according to effective waterflood injection rate, the practical plug agent amount, the practical injection-production ratio
The oil reservoir development measure of target well group.
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