CN110532707A - The stewing well time determines method and apparatus - Google Patents
The stewing well time determines method and apparatus Download PDFInfo
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- CN110532707A CN110532707A CN201910823882.4A CN201910823882A CN110532707A CN 110532707 A CN110532707 A CN 110532707A CN 201910823882 A CN201910823882 A CN 201910823882A CN 110532707 A CN110532707 A CN 110532707A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
Abstract
The embodiment of the present invention provides a kind of stewing well time and determines method and apparatus, this method comprises: obtaining the fracturing fluid information of target well, obtains fracturing liquid rubber-breaking viscosity according to fracturing fluid information;Program, which is infused, according to the fracturing pump of target well obtains single seam fracturing fluid dosage;Intrusion area's thickness is obtained according to the log data of target well and invades area's permeability;According to the fracturing liquid rubber-breaking viscosity, single seam fracturing fluid dosage, intrusion area's thickness and intrusion area's permeability, the stewing well time according to target well is determined.After carrying out stewing well using the stewing well time that the embodiment of the present invention determines, the row of returning that can effectively lower proppant is led, and can reach preferable flowback effect, guarantees the flow conductivity in crack.
Description
Technical field
The present embodiments relate to the stewing well times to determine that technical field more particularly to a kind of stewing well time determine method and set
It is standby.
Background technique
During the resource development of unconventional shale oil gas, since such unconventional petroleum resources reservoir conditions is with low
The hypotonic feature in hole, extensive horizontal well multistage multistage fracturing technology are used widely.Using horizontal well multistage fracturing technology,
Complex fracture network, well capacity of improving the standard are formed in reservoir.
The construction of unconventional reservoir horizontal well multistage fracturing technology is often the scale of " thousand side's sand of all places water ", wherein " incomparably
Water " refers to fracturing fluid, and " thousand side's sand " refers to proppant, thus fracturing fluid recovery (backflow) be again in fracturing work one it is extremely important
Link.In order to avoid fracturing fluid pollutes the injury of reservoir after pressure break, the row of returning is the sooner the better, but after pressing crack construction,
In seam and nearly seam area by injection liquid fill can, if the row of returning immediately after pressure, the pressure difference for the row of returning is very big, and it is very big to cause to return drainage speed,
It returns the portable proppant of drain and enters pit shaft, seriously compromise fracture condudtiviy, therefore carry out stewing well after pressing, to crack
Drive a well the row of returning again when being closed to a certain extent.
The pressure break number of segment of horizontal well is multistage, and from horizontal wellbore toe-end crack to butt crack successively pressure break, is successively sealed
Every butt crack is that pressure break finally completes, and crack before is all in different closure degree.Therefore during stewing well, root
Pressure highest in the seam of end check seam, minimum compared with the closure degree in other cracks, the time of stewing well only needs the closure journey according to it
Degree is to determine.
However, the determination of existing stewing well time, relies primarily on field experience, for the volume of unconventional class low permeability reservoir
Transformation boils in a covered pot over a slow fire determining for well time and there is very big blindness and randomness, causes flowback effect after stewing well poor.
Summary of the invention
The embodiment of the present invention provides a kind of stewing well time and determines method and apparatus, boils in a covered pot over a slow fire the well time in the prior art to overcome
It determines, relies primarily on field experience, boil in a covered pot over a slow fire determining for well time and there is very big blindness and randomness, the row of returning after stewing well is caused to imitate
The poor problem of fruit.
In a first aspect, the embodiment of the present invention, which provides a kind of stewing well time, determines method, comprising:
The fracturing fluid information for obtaining target well obtains fracturing liquid rubber-breaking viscosity according to fracturing fluid information;
Program, which is infused, according to the fracturing pump of target well obtains single seam fracturing fluid dosage;
Intrusion area's thickness is obtained according to the log data of target well and invades area's permeability;
According to the fracturing liquid rubber-breaking viscosity, single seam fracturing fluid dosage, intrusion area's thickness and intrusion area's permeability, institute is determined
State the stewing well time according to target well.
It is described thick according to the fracturing liquid rubber-breaking viscosity, single seam fracturing fluid dosage intrusion area in a kind of possible design
Degree and intrusion area's permeability, determine the stewing well time according to target well, comprising:
The fracturing liquid rubber-breaking viscosity, single seam fracturing fluid dosage intrusion area's thickness and intrusion area's permeability are imported optimal stewing
Well time formula:
In formula, μbFor fracturing liquid rubber-breaking viscosity;Q is single seam fracturing fluid dosage;LiTo invade area's thickness;kiIt is seeped for intrusion area
Saturating rate;T is the optimal stewing well time;
Obtain the stewing well time according to target well.
In a kind of possible design, the method also includes:
Obtain multiple groups fracturing liquid rubber-breaking viscosity, single seam fracturing fluid dosage, intrusion area's thickness and the intrusion area in the oil field chosen
The data of permeability;
The data of every group of fracturing liquid rubber-breaking viscosity return the optimal stewing well time, every group of list stitches fracturing fluid dosage
Data return the optimal stewing well time, the data of every group of intrusion area thickness carry out recurrence and every group to the optimal stewing well time
The data of intrusion area's permeability return the optimal stewing well time, obtain the base of fracturing liquid rubber-breaking viscosity Yu optimal stewing well time
This relational expression, the basic relational expression of single seam fracturing fluid dosage and optimal stewing well time, intrusion area's thickness and optimal stewing well time
Basic relational expression and the basic relational expression for invading area's permeability and optimal stewing well time;
When by the basic relational expression of fracturing liquid rubber-breaking viscosity and optimal stewing well time, single seam fracturing fluid dosage and optimal stewing well
Between basic relational expression, intrusion area's thickness and optimal stewing well time basic relational expression and intrusion area's permeability and when optimal stewing well
Between basic relational expression be multiplied and multiplied by function coefficients, obtain initial optimal stewing well time formula, and with the optimal stewing well time
It is returned, obtains the value of function coefficients;
The value of the function coefficients is imported to initial optimal stewing well time formula, obtains optimal stewing well time formula.
In a kind of possible design, the target well is the final stage of horizontal well multistage fracturing.
Second aspect, the embodiment of the present invention provide a kind of stewing well time and determine equipment, comprising:
First obtains module, for obtaining the fracturing fluid information of target well, is obtained and is pressed according to fracturing fluid information
It splits liquid and breaks adhesiveness;
Second obtains module, obtains single seam fracturing fluid dosage for infusing program according to the fracturing pump of target well;
Third obtains module, for obtaining intrusion area's thickness according to the log data of target well and invading area's permeability;
Stewing well time determining module, for according to the fracturing liquid rubber-breaking viscosity, single seam fracturing fluid dosage, intrusion area's thickness
With intrusion area's permeability, the stewing well time according to target well is determined.
In a kind of possible design,
The stewing well time determining module is specifically used for the fracturing liquid rubber-breaking viscosity, single seam fracturing fluid dosage intrusion
Area's thickness and intrusion area's permeability import optimal stewing well time formula:
In formula, μbFor fracturing liquid rubber-breaking viscosity;Q is single seam fracturing fluid dosage;LiTo invade area's thickness;kiIt is seeped for intrusion area
Saturating rate;T is the optimal stewing well time;
Obtain the stewing well time according to target well.
In a kind of possible design, the equipment further include:
Data acquisition module, for obtaining the multiple groups fracturing liquid rubber-breaking viscosity in the oil field chosen, single seam fracturing fluid dosage, invading
Enter area's thickness and invades the data of area's permeability;
Processing module is returned, for being returned the data of every group of fracturing liquid rubber-breaking viscosity, often to the optimal stewing well time
When the data of the single seam fracturing fluid dosage of group return the optimal stewing well time, the data of every group of intrusion area thickness are to optimal stewing well
Between return and the data of every group of intrusion area permeability return the optimal stewing well time, obtain fracturing liquid rubber-breaking viscosity
It is thick with the basic relational expression of optimal stewing well time, the basic relational expression of single seam fracturing fluid dosage and optimal stewing well time, intrusion area
Degree and the basic relational expression of optimal stewing well time and the basic relational expression of intrusion area's permeability and optimal stewing well time;
Coefficient determination module, for the basic relational expression of fracturing liquid rubber-breaking viscosity and optimal stewing well time, list to be stitched pressure break
The basic relational expression of liquid dosage and optimal stewing well time, intrusion area's thickness and the basic relational expression of optimal stewing well time and intrusion area
Permeability is multiplied with the basic relational expression of optimal stewing well time and multiplied by function coefficients, and it is public to obtain the initial optimal stewing well time
Formula, and returned with the optimal stewing well time, obtain the value of function coefficients;
Formula determining module obtains most for the value of the function coefficients to be imported to initial optimal stewing well time formula
Excellent stewing well time formula.
In a kind of possible design, the target well is the final stage of horizontal well multistage fracturing.
The third aspect, the embodiment of the present invention provide a kind of stewing well time and determine equipment, comprising: at least one processor and deposit
Reservoir;
The memory stores computer executed instructions;
At least one described processor executes the computer executed instructions of memory storage so that it is described at least one
Processor executes the stewing well time described in the various possible designs of first aspect and first aspect as above and determines method.
Fourth aspect, the embodiment of the present invention provide a kind of computer readable storage medium, the computer-readable storage medium
Computer executed instructions are stored in matter, when processor execute the computer executed instructions when, realize first aspect as above with
And the stewing well time described in the various possible designs of first aspect determines method.
The stewing well time provided in an embodiment of the present invention determines method and apparatus, the fracturing fluid that this method passes through acquisition target well
Information obtains fracturing liquid rubber-breaking viscosity according to fracturing fluid information;Program, which is infused, according to the fracturing pump of target well obtains list
Stitch fracturing fluid dosage;Intrusion area's thickness is obtained according to the log data of target well and invades area's permeability;According to the fracturing fluid
Broken adhesiveness, single seam fracturing fluid dosage, intrusion area's thickness and intrusion area's permeability, determine the stewing well time according to target well.
After boiling in a covered pot over a slow fire well using the stewing well time that the embodiment of the present invention determines, the row of returning that can effectively lower proppant is led, and can reach preferable
Flowback effect guarantees the flow conductivity in crack.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the configuration diagram for the determination system for the stewing well time provided in an embodiment of the present invention determining satisfaction;
Fig. 2 is the flow diagram one for the stewing well time provided in an embodiment of the present invention determining method;
Fig. 3 is the flow diagram two for the stewing well time provided in an embodiment of the present invention determining method;
Fig. 4 is that the optimal stewing well time formula of numerical simulation and the embodiment of the present invention calculates under different fracturing liquid rubber-breaking viscosity
The stewing well time comparison diagram;
Fig. 5 is that the optimal stewing well time formula of numerical simulation and the embodiment of the present invention calculates under different single seam fracturing fluid dosages
The stewing well time comparison diagram;
Fig. 6 is the stewing of the optimal stewing well time formula calculating of numerical simulation and the embodiment of the present invention under different intrusion area's thickness
The comparison diagram of well time;
Fig. 7 is that the optimal stewing well time formula of numerical simulation and the embodiment of the present invention calculates under different intrusion area's permeabilities
The comparison diagram of stewing well time;
Fig. 8 is the structural schematic diagram for the stewing well time provided in an embodiment of the present invention determining equipment;
Fig. 9 is the hardware structural diagram for the stewing well time provided in an embodiment of the present invention determining equipment
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Fig. 1 is the configuration diagram for the determination system for the stewing well time provided in an embodiment of the present invention determining satisfaction.Such as Fig. 1
Shown, system provided in this embodiment includes terminal 101 and server 102.Wherein, terminal 101 can be mobile phone, plate etc..
The present embodiment is not particularly limited the implementation of terminal 101.Server 102 can be the collection of one or more composition
Group.
Fig. 2 is the flow diagram one for the stewing well time provided in an embodiment of the present invention determining method, the execution of the present embodiment
Main body can be the terminal in embodiment illustrated in fig. 1, or the server of embodiment illustrated in fig. 1, the present embodiment is herein not
It is particularly limited.As shown in Fig. 2, this method comprises:
S201, the fracturing fluid information for obtaining target well obtain fracturing liquid rubber-breaking viscosity according to fracturing fluid information.
In the present embodiment, fracturing fluid information may include the information such as the type of fracturing fluid, density and viscosity.
Specifically, fracturing liquid rubber-breaking viscosity can be obtained by identification feature character from fracturing fluid information.Wherein
Characteristic character can be " viscosity ".
S202, the single seam fracturing fluid dosage of program acquisition is infused according to the fracturing pump of target well.
In the present embodiment, the program designed when the fracturing pump note program of target well is practice of construction, from program file
Obtain single seam fracturing fluid dosage.
S203, intrusion area's thickness is obtained according to the log data of target well and invades area's permeability.
In the present embodiment, the log data of target well includes but is not limited to electrical log, acoustic logging, radioactive logging
With other well loggings.
Wherein, electrical log may include conventional electrical survey (ES), laterolog, induction logging and microresistivity logging.
Acoustic logging may include acoustic amplitude logging and acoustic velocity logging.
Emissivity well logging may include that gamma logging, neutron well logging, density log, radioisotope log and nuclear-magnetism are total
Vibration well logging.
Other well loggings may include calliper log, electromagnetic wave logging, dipmeter log, imaging logging, temperature logging, pressure
Power well logging and specific retention well logging.
S204, fracturing fluid dosage, intrusion area's thickness and intrusion area's permeability are stitched according to the fracturing liquid rubber-breaking viscosity, list,
Determine the stewing well time according to target well.
In the present embodiment, according to the fracturing liquid rubber-breaking viscosity, single seam fracturing fluid dosage intrusion area's thickness and intrusion area
Permeability determines the stewing well time according to target well, comprising:
The fracturing liquid rubber-breaking viscosity, single seam fracturing fluid dosage intrusion area's thickness and intrusion area's permeability are imported optimal stewing
Well time formula:
In formula, μbFor fracturing liquid rubber-breaking viscosity;Q is single seam fracturing fluid dosage;LiTo invade area's thickness;kiIt is seeped for intrusion area
Saturating rate;T is the optimal stewing well time.
As can be seen from the above description, according to the fracturing liquid rubber-breaking viscosity, single seam fracturing fluid dosage, intrusion area's thickness and intrusion
Area's permeability determines the stewing well time according to target well, and the row of returning that can effectively lower proppant after stewing well leads, can reach compared with
Good flowback effect, guarantees the flow conductivity in crack.
Fig. 3 is the flow diagram two for the stewing well time provided in an embodiment of the present invention determining method, and the present embodiment is in Fig. 2 reality
On the basis of applying example, how the process of optimal stewing well time formula is determined if being described in detail to the present embodiment.Such as Fig. 3 institute
Show, this method comprises:
S301, it the multiple groups fracturing liquid rubber-breaking viscosity for obtaining the oil field chosen, single seam fracturing fluid dosage, invades area's thickness and invades
Enter the data of area's permeability.
S302, the data of every group of fracturing liquid rubber-breaking viscosity return the optimal stewing well time, every group of list seam fracturing fluid
The data of dosage return the optimal stewing well time, the data of every group of intrusion area thickness to the optimal stewing well time returned with
And the data of every group of intrusion area permeability return the optimal stewing well time, when obtaining fracturing liquid rubber-breaking viscosity and optimal stewing well
Between basic relational expression, single seam fracturing fluid dosage and optimal stewing well time basic relational expression, intrusion area's thickness and optimal stewing well
The basic relational expression of time and the basic relational expression for invading area's permeability and optimal stewing well time.
S303, by the basic relational expression of fracturing liquid rubber-breaking viscosity and optimal stewing well time, single seam fracturing fluid dosage with it is optimal
The basic relational expression of stewing well time, the basic relational expression of intrusion area's thickness and optimal stewing well time and invade area's permeability with it is optimal
The basic relational expression of stewing well time is multiplied and multiplied by function coefficients, obtains initial optimal stewing well time formula, and boil in a covered pot over a slow fire with optimal
The well time is returned, and the value of function coefficients is obtained.
S304, the value of the function coefficients is imported to initial optimal stewing well time formula, it is public obtains the optimal stewing well time
Formula.
In the present embodiment, the multiple groups fracturing liquid rubber-breaking viscosity in the oil field of selection, single seam fracturing fluid dosage, intrusion area's thickness
It can be the fractured well from certain oil field with the data of intrusion area's permeability.Its basic parameter is that strata pressure is 34.5Mpa, ground
Layer average pore is 6.1%, and mean permeability is 0.16 × 10-3μm2.Fracturing section spacing is 100m, enters well fracturing fluid and breaks glue
Viscosity is 10mPas, and crack half-court is 130m, and fracture condudtiviy is 10 μm2。
By numerical simulation and the stewing well time calculated with the optimal stewing well time formula of the embodiment of the present invention, extremely such as Fig. 4
Shown in Fig. 8.As it can be seen that the stewing well time that the optimal stewing well time formula of the present invention calculates is close to numerical simulation as a result, effect is accurate.
Fig. 4 is that the optimal stewing well time formula of numerical simulation and the embodiment of the present invention calculates under different fracturing liquid rubber-breaking viscosity
The stewing well time comparison diagram.
Fig. 5 is that the optimal stewing well time formula of numerical simulation and the embodiment of the present invention calculates under different single seam fracturing fluid dosages
The stewing well time comparison diagram.
Fig. 6 is the stewing of the optimal stewing well time formula calculating of numerical simulation and the embodiment of the present invention under different intrusion area's thickness
The comparison diagram of well time.
Fig. 7 is that the optimal stewing well time formula of numerical simulation and the embodiment of the present invention calculates under different intrusion area's permeabilities
The comparison diagram of stewing well time.
Fig. 8 is the structural schematic diagram for the stewing well time provided in an embodiment of the present invention determining equipment.As shown in figure 8, the stewing well
Time determines that equipment 80 includes: that the first acquisition module 801, second obtains module 802, third obtains module 803 and stewing well time
Determining module 804.
Wherein, first module 801 is obtained, for obtaining the fracturing fluid information of target well, is believed according to fracturing fluid type
Breath obtains fracturing liquid rubber-breaking viscosity;
Second obtains module 802, obtains single seam fracturing fluid dosage for infusing program according to the fracturing pump of target well;
Third obtains module 803, for obtaining intrusion area's thickness according to the log data of target well and invading area's permeability;
Stewing well time determining module 804, for according to the fracturing liquid rubber-breaking viscosity, single seam fracturing fluid dosage, intrusion area
Thickness and intrusion area's permeability, determine the stewing well time according to target well.
In one embodiment of the invention, the stewing well time determining module 804, specifically for breaking the fracturing fluid
Adhesiveness, single seam fracturing fluid dosage intrusion area's thickness and intrusion area's permeability import optimal stewing well time formula:
In formula, μbFor fracturing liquid rubber-breaking viscosity;Q is single seam fracturing fluid dosage;LiTo invade area's thickness;kiIt is seeped for intrusion area
Saturating rate;T is the optimal stewing well time;
Obtain the stewing well time according to target well.
With reference to Fig. 8, in one embodiment of the invention, the equipment 80 further include: data acquisition module 805 returns
Processing module 806, coefficient determination module 807 and formula determining module 808.
Data acquisition module 805, for obtaining the multiple groups fracturing liquid rubber-breaking viscosity in the oil field chosen, single seam fracturing fluid is used
Amount, intrusion area's thickness and the data for invading area's permeability;
Processing module 806 is returned, for being returned the data of every group of fracturing liquid rubber-breaking viscosity to the optimal stewing well time,
The data of every group of list seam fracturing fluid dosage return the optimal stewing well time, the data of every group of intrusion area thickness are to optimal stewing well
Time return and the data of every group of intrusion area permeability return the optimal stewing well time, and it is viscous to obtain fracturing liquid rubber-breaking
Degree and the basic relational expression of optimal stewing well time, the basic relational expression of single seam fracturing fluid dosage and optimal stewing well time, intrusion area
Thickness and the basic relational expression of optimal stewing well time and the basic relational expression for invading area's permeability and optimal stewing well time;
Coefficient determination module 807, for pressing the basic relational expression of fracturing liquid rubber-breaking viscosity and optimal stewing well time, single seam
Split the basic relational expression of liquid dosage and optimal stewing well time, the basic relational expression of intrusion area's thickness and optimal stewing well time and intrusion
Area's permeability is multiplied with the basic relational expression of optimal stewing well time and multiplied by function coefficients, and it is public to obtain the initial optimal stewing well time
Formula, and returned with the optimal stewing well time, obtain the value of function coefficients;
Formula determining module 808 is obtained for the value of the function coefficients to be imported to initial optimal stewing well time formula
Optimal stewing well time formula.
Equipment provided in this embodiment can be used for executing the technical solution of above method embodiment, realization principle and skill
Art effect is similar, and details are not described herein again for the present embodiment.
Fig. 9 is the hardware structural diagram for the stewing well time provided in an embodiment of the present invention determining equipment.As shown in figure 9, this
The stewing well time of embodiment determines that equipment 90 includes: processor 901 and memory 902;Wherein
Memory 902, for storing computer executed instructions;
Processor 901, for executing the computer executed instructions of memory storage, with realize in above-described embodiment terminal or
Each step performed by server.It specifically may refer to the associated description in preceding method embodiment.
Optionally, memory 902 can also be integrated with processor 901 either independent.
When memory 902 is independently arranged, which determines that equipment further includes bus 903, for connecting described deposit
Reservoir 902 and processor 901.
The embodiment of the present invention also provides a kind of computer readable storage medium, stores in the computer readable storage medium
There are computer executed instructions, when processor executes the computer executed instructions, realizes that the stewing well time determines as described above
Method.
In several embodiments provided by the present invention, it should be understood that disclosed device and method can pass through it
Its mode is realized.For example, apparatus embodiments described above are merely indicative, for example, the division of the module, only
Only a kind of logical function partition, there may be another division manner in actual implementation, for example, multiple modules can combine or
It is desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or discussed it is mutual it
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of device or module
It connects, can be electrical property, mechanical or other forms.
The module as illustrated by the separation member may or may not be physically separated, aobvious as module
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.Some or all of the modules therein can be selected to realize this embodiment scheme according to the actual needs.
It, can also be in addition, each functional module in each embodiment of the present invention can integrate in one processing unit
It is that modules physically exist alone, can also be integrated in one unit with two or more modules.Above-mentioned module at
Unit both can take the form of hardware realization, can also realize in the form of hardware adds SFU software functional unit.
The above-mentioned integrated module realized in the form of software function module, can store and computer-readable deposit at one
In storage media.Above-mentioned software function module is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) or processor execute described in each embodiment of the application
The part steps of method.
It should be understood that above-mentioned processor can be central processing unit (Central Processing Unit, abbreviation CPU),
It can also be other general processors, digital signal processor (Digital Signal Processor, abbreviation DSP), dedicated
Integrated circuit (Application Specific Integrated Circuit, abbreviation ASIC) etc..General processor can be
Microprocessor or the processor are also possible to any conventional processor etc..It can be in conjunction with the step of invention disclosed method
Be embodied directly in hardware processor and execute completion, or in processor hardware and software module combination execute completion.
Memory may include high speed RAM memory, it is also possible to and it further include non-volatile memories NVM, for example, at least one
Magnetic disk storage can also be USB flash disk, mobile hard disk, read-only memory, disk or CD etc..
It is total that bus can be industry standard architecture (Industry Standard Architecture, abbreviation ISA)
Line, external equipment interconnection (Peripheral Component Interconnect, abbreviation PCI) bus or extension industrial standard
Architecture (Extended Industry Standard Architecture, abbreviation EISA) bus etc..Bus can be divided into
Address bus, data/address bus, control bus etc..For convenient for indicating, the bus in illustrations does not limit only one always
Line or a type of bus.
Above-mentioned storage medium can be by any kind of volatibility or non-volatile memory device or their combination
It realizes, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable
Read-only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash memory,
Disk or CD.Storage medium can be any usable medium that general or specialized computer can access.
A kind of illustrative storage medium is coupled to processor, believes to enable a processor to read from the storage medium
Breath, and information can be written to the storage medium.Certainly, storage medium is also possible to the component part of processor.It processor and deposits
Storage media can be located at specific integrated circuit (Application Specific Integrated Circuits, abbreviation ASIC)
In.Certainly, pocessor and storage media can also be used as discrete assembly and be present in electronic equipment or main control device.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above-mentioned each method embodiment can lead to
The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer readable storage medium.The journey
When being executed, execution includes the steps that above-mentioned each method embodiment to sequence;And storage medium above-mentioned include: ROM, RAM, magnetic disk or
The various media that can store program code such as person's CD.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement;And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of stewing well time determines method characterized by comprising
The fracturing fluid information for obtaining target well obtains fracturing liquid rubber-breaking viscosity according to fracturing fluid information;
Program, which is infused, according to the fracturing pump of target well obtains single seam fracturing fluid dosage;
Intrusion area's thickness is obtained according to the log data of target well and invades area's permeability;
According to the fracturing liquid rubber-breaking viscosity, single seam fracturing fluid dosage, intrusion area's thickness and intrusion area's permeability, the evidence is determined
The stewing well time of target well.
2. the method according to claim 1, wherein described according to the fracturing liquid rubber-breaking viscosity, single seam pressure break
Liquid dosage invades area's thickness and intrusion area's permeability, determines the stewing well time according to target well, comprising:
When the fracturing liquid rubber-breaking viscosity, single seam fracturing fluid dosage intrusion area's thickness and intrusion area's permeability are imported optimal stewing well
Between formula:
In formula, μbFor fracturing liquid rubber-breaking viscosity;Q is single seam fracturing fluid dosage;LiTo invade area's thickness;kiTo invade area's permeability;
T is the optimal stewing well time;
Obtain the stewing well time according to target well.
3. according to the method described in claim 2, it is characterized by further comprising:
Obtain multiple groups fracturing liquid rubber-breaking viscosity, single seam fracturing fluid dosage, intrusion area's thickness and the infiltration of intrusion area in the oil field chosen
The data of rate;
The data of every group of fracturing liquid rubber-breaking viscosity return the optimal stewing well time, the data of every group of list seam fracturing fluid dosage
The optimal stewing well time is returned, the data of every group of intrusion area thickness carry out recurrence and every group of intrusion to the optimal stewing well time
The data of area's permeability return the optimal stewing well time, obtain the basic pass of fracturing liquid rubber-breaking viscosity Yu optimal stewing well time
It is that formula, single seam fracturing fluid dosage and basic relational expression, the intrusion area's thickness of optimal stewing well time are basic with the optimal stewing well time
Relational expression and the basic relational expression for invading area's permeability and optimal stewing well time;
By the basic relational expression of fracturing liquid rubber-breaking viscosity and optimal stewing well time, single seam fracturing fluid dosage and optimal stewing well time
Basic relational expression, the basic relational expression of intrusion area's thickness and optimal stewing well time and intrusion area's permeability and optimal stewing well time
Basic relational expression is multiplied and multiplied by function coefficients, obtains initial optimal stewing well time formula, and carry out with the optimal stewing well time
It returns, obtains the value of function coefficients;
The value of the function coefficients is imported to initial optimal stewing well time formula, obtains optimal stewing well time formula.
4. method according to claim 1 or 2, which is characterized in that the target well is the last of horizontal well multistage fracturing
One section.
5. a kind of stewing well time determines equipment characterized by comprising
First obtains module, for obtaining the fracturing fluid information of target well, obtains fracturing fluid according to fracturing fluid information
Broken adhesiveness;
Second obtains module, obtains single seam fracturing fluid dosage for infusing program according to the fracturing pump of target well;
Third obtains module, for obtaining intrusion area's thickness according to the log data of target well and invading area's permeability;
Stewing well time determining module, for stitching fracturing fluid dosage, intrusion area's thickness according to the fracturing liquid rubber-breaking viscosity, list and invading
Enter area's permeability, determines the stewing well time according to target well.
6. equipment according to claim 5, which is characterized in that
The stewing well time determining module is specifically used for the fracturing liquid rubber-breaking viscosity, single seam fracturing fluid dosage intrusion area is thick
Degree and intrusion area's permeability import optimal stewing well time formula:
In formula, μbFor fracturing liquid rubber-breaking viscosity;Q is single seam fracturing fluid dosage;LiTo invade area's thickness;kiTo invade area's permeability;
T is the optimal stewing well time;
Obtain the stewing well time according to target well.
7. equipment according to claim 6, which is characterized in that the equipment further include:
Data acquisition module, for obtaining multiple groups fracturing liquid rubber-breaking viscosity, single seam fracturing fluid dosage, intrusion area in the oil field chosen
The data of thickness and intrusion area's permeability;
Processing module is returned, for being returned the data of every group of fracturing liquid rubber-breaking viscosity to the optimal stewing well time, every group of list
The data of seam fracturing fluid dosage return the optimal stewing well time, the data of every group of intrusion area thickness to the optimal stewing well time into
Row returns and the data of every group of intrusion area permeability return the optimal stewing well time, obtain fracturing liquid rubber-breaking viscosity with most
The basic relational expression of excellent stewing well time, the basic relational expression of single seam fracturing fluid dosage and optimal stewing well time, intrusion area's thickness with
The basic relational expression of optimal stewing well time and the basic relational expression for invading area's permeability and optimal stewing well time;
Coefficient determination module, for using the basic relational expression of fracturing liquid rubber-breaking viscosity and optimal stewing well time, single seam fracturing fluid
Amount and the basic relational expression of optimal stewing well time, the basic relational expression of intrusion area's thickness and optimal stewing well time and the infiltration of intrusion area
Rate is multiplied with the basic relational expression of optimal stewing well time and multiplied by function coefficients, obtains initial optimal stewing well time formula, and
It is returned with the optimal stewing well time, obtains the value of function coefficients;
Formula determining module obtains optimal stewing for the value of the function coefficients to be imported to initial optimal stewing well time formula
Well time formula.
8. equipment according to claim 5, which is characterized in that the target well is last of horizontal well multistage fracturing
Section.
9. a kind of stewing well time determines equipment characterized by comprising at least one processor and memory;
The memory stores computer executed instructions;
At least one described processor executes the computer executed instructions of the memory storage, so that at least one described processing
Device is executed as Claims 1-4 described in any item stewing well times determine method.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer in the computer readable storage medium
It executes instruction, when processor executes the computer executed instructions, realizes such as the described in any item stewing wells of Claims 1-4
Time determines method.
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