CN106761618A - For the profile control method for determination of amount and its device of water injection well - Google Patents
For the profile control method for determination of amount and its device of water injection well Download PDFInfo
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- CN106761618A CN106761618A CN201611216864.2A CN201611216864A CN106761618A CN 106761618 A CN106761618 A CN 106761618A CN 201611216864 A CN201611216864 A CN 201611216864A CN 106761618 A CN106761618 A CN 106761618A
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- profile control
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- water injection
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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
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
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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
- E21B47/00—Survey of boreholes or wells
- E21B47/10—Locating fluid leaks, intrusions or movements
- E21B47/11—Locating fluid leaks, intrusions or movements using tracers; using radioactivity
Abstract
The invention discloses a kind of profile control method for determination of amount and its device for water injection well, it is related to oil reservoir development field, and the profile control for being used for water injection well is comprised the following steps with method for determination of amount：Profile control thickness is determined according to intake profile test data and well log interpretation data；The basic radius of profile control is obtained based on the distance between producing well and water injection well；Radius of profile control is obtained with the basic radius of the profile control according to tracer data；Profile control area coefficient is determined according to the profile control direction situation between producing well and water injection well；The profile control agent injection rate of predetermined direction is obtained based on the profile control thickness, the radius of profile control, the profile control area coefficient, profile control direction number and communication direction number；Profile control agent injection rate according to the predetermined direction obtains profile control agent total injection rate.The profile control method for determination of amount for being used for water injection well can optimize all directions profile control area according to the situation between water injection well and producing well, and optimization is efficiently injected into pore volume, and then determines optimal profile control consumption.
Description
Technical field
The present invention relates to oil reservoir development field, more particularly to a kind of profile control method for determination of amount for water injection well and its
Device.
Background technology
Waterflooding extraction is that one kind applies more successful oil production method in countries in the world, and it can improve the recovery ratio of crude oil
To 30%-50%, that is to say, that also the crude oil of 50%-70% is due to shadows such as different geological conditions, materialization effect, mining factors
Sound is still remained in oil reservoir.The tertiary oil recovery technology grown up from the twenties in 20th century turns into the exploitation of these remaining oils can
Energy.Polymer flooding is one of current widely used tertiary oil recovery technology, and it is also the one of which of chemical flooding.Polymer
Drive and the densification of water and the absorption in hole and trapping acted on by macromolecule polyalcohol mainly, increase water viscosity and
Flow resistance of the water in hole, can so effectively reduce water phase permeability, reduce water-oil mobility ratio, increase sweep efficiency,
So as to improve oil recovery factor.
Polymer flooding is carried out typically after water drive, and now the plane and vertical heterogeneity of oil reservoir are often dashed forward very much
Go out, directly carry out polymer flooding and occur that the injection liquid of indivedual wellblocks is advanced by leaps and bounds along high permeability zone, cause polymer mistake in oil well
Early to break through, polymer flooding effect is poor.Therefore, the depth profile control work of well is particularly important before polymer flooding.Meanwhile, the effect of depth profile control
Fruit is influenceed substantially by profile control consumption, if the amount of injection blocking agent is very little, does not have the effect of water blockoff, and the amount for injecting blocking agent is too big
Cost increase, blocking agent is then caused to waste, in addition Severe blockage interval reduction plane sweep efficiency, the economically feasible under low oil price
Property reduce.
The content of the invention
In order to overcome the drawbacks described above of prior art, embodiment of the present invention technical problem to be solved to there is provided one kind
For the profile control method for determination of amount and its device of water injection well, it can be according to the situation optimization between water injection well and producing well
All directions profile control area, optimization is efficiently injected into pore volume, and then determines optimal profile control consumption.
The concrete technical scheme of the embodiment of the present invention is：
A kind of profile control method for determination of amount for water injection well, comprises the following steps：
Profile control thickness is determined according to intake profile test data and well log interpretation data；
The basic radius of profile control is obtained based on the distance between producing well and water injection well；
Radius of profile control is obtained with the basic radius of the profile control according to tracer data；
Profile control area coefficient is determined according to the profile control direction situation between producing well and water injection well；
Based on the profile control thickness, the radius of profile control, the profile control area coefficient, profile control direction number and communication direction number
Obtain the profile control agent injection rate of predetermined direction；
Profile control agent injection rate according to the predetermined direction obtains profile control agent total injection rate.
In a preferred embodiment, to obtain profile control in the distance based between producing well and water injection well basic
In the step of radius, specifically, for depth profile control, the range of choice of the basic radius of profile control is producing well and the spacing of water injection well
From 1/3 to 1/2 between.
In a preferred embodiment, profile control is obtained with the basic radius of the profile control according to tracer data described
In the step of radius, the tracer data includes spike in the speed and well group in the most fast direction of tracer fltting speed in well group
Fltting speed under agent different directions.
In a preferred embodiment, profile control is obtained with the basic radius of the profile control according to tracer data described
In the step of radius, the specific formula for calculation of the radius of profile control is as follows：
Ri=Vi/Vmax×Rmax
Wherein, ViRepresent the fltting speed under tracer a direction, V in well groupmaxRepresent tracer propulsion speed in well group
The speed in the most fast direction of degree, RmaxRepresent profile control horizon radius, RiRepresent radius of profile control.
In a preferred embodiment, determine in the profile control direction situation according between producing well and water injection well
In the step of profile control area coefficient, the profile control direction situation between producing well and water injection well at least includes one of following：Producing well
Profile control direction quantity between water injection well, the position relationship in the profile control direction between producing well and water injection well.
In a preferred embodiment, the profile control direction number is the interior producing well on each profile control direction of well group
Quantity.
In a preferred embodiment, the communication direction number is the producing well for connecting actual with water injection well in well group
Well number.
In a preferred embodiment, described based on the profile control thickness, the radius of profile control, the profile control face
In the step of product coefficient, profile control direction number and communication direction number obtain the profile control agent injection rate of predetermined direction, specific calculating process
It is as follows：
Wherein, RiRadius of profile control is represented, H represents profile control layer effective thickness, and φ represents porosity, βnRepresent profile control area system
Number, F represents profile control direction number, and N represents communication direction number, QiRepresent the profile control agent injection rate of predetermined direction.
In a preferred embodiment, profile control agent is obtained in the profile control agent injection rate according to the predetermined direction
In the step of total injection rate, specific calculating process is as follows：
Q=Σ Qi
Wherein, QiThe profile control agent injection rate of predetermined direction is represented, Q represents profile control agent total injection rate.
In a preferred embodiment, determine to adjust according to intake profile test data and well log interpretation data described
In the step of cuing open thickness, permeability and the suction of preset requirement are met according to intake profile test data and the selection of well log interpretation data
The thickness of water intensity is used as profile control layer effective thickness.
A kind of determining device of profile control consumption for water injection well, it includes：
Profile control THICKNESS CALCULATION module, it is used to determine that profile control is thick according to intake profile test data and well log interpretation data
Degree；
The basic radius acquisition module of profile control, it is used to obtain profile control basic half according to the distance between producing well and water injection well
Footpath；
Radius of profile control determining module, it is used to obtain radius of profile control with the basic radius of the profile control according to tracer data；
Profile control area coefficient determining module, it is used to determine to adjust according to the profile control direction situation between producing well and water injection well
Sectional area coefficient；
Profile control agent injection rate computing module, it is used for according to the profile control thickness, the radius of profile control, the profile control area
Coefficient, profile control direction number and communication direction number obtain the profile control agent injection rate of predetermined direction；
Profile control agent total injection rate computing module, it is used to obtain profile control agent according to the profile control agent injection rate of the predetermined direction
Total injection rate.
Technical scheme has following notable beneficial effect：
The profile control method for determination of amount for water injection well in the application can effectively reduce the use of profile control blocking agent
Amount, it is to avoid the waste of blocking agent under big consumption, reduces cost to a certain extent.Meanwhile, by optimizing all directions profile control face
Accumulate and be efficiently injected into pore volume, high permeability zone water absorption is reduced, and less permeable layer water absorbing capacity is strengthened, and improves tune
Cut open effect so that intake profile is adjusted.
Brief description of the drawings
Accompanying drawing described here is only used for task of explanation, and is not intended to by any way limit model disclosed by the invention
Enclose.In addition, shape and proportional sizes of each part in figure etc. are only schematical, the understanding of the present invention is used to help, and
It is not the shape and proportional sizes for specifically limiting each part of the invention.Those skilled in the art under the teachings of the present invention, can
To select various possible shapes and proportional sizes to implement the present invention as the case may be.
Fig. 1 be the embodiment of the present invention in for water injection well profile control method for determination of amount flow chart.
Fig. 2 is the schematic diagram of five-spot typical case's well group in the embodiment of the present invention.
Fig. 3 is J2-B4-G126 well group floor map in the embodiment of the present invention.
Fig. 4 is intake profile situation map before the well profile control of well group in Fig. 3 in the embodiment of the present invention.
Fig. 5 is the tracer fltting speed figure of well group in Fig. 3 in the embodiment of the present invention.
Fig. 6 is intake profile comparison diagram before and after well group profile control in Fig. 3 in the embodiment of the present invention.
Fig. 7 be the embodiment of the present invention in for water injection well profile control consumption determining device structural representation.
Fig. 8 is profile control direction quantity, the position relationship in profile control direction and profile control area coefficient relation in the embodiment of the present invention
Figure.
Fig. 9 is five-spot typical case's well group profile control consumption result of calculation contrast table in the embodiment of the present invention.
The reference of the figures above：
1st, producing well；2nd, water injection well；3rd, profile control area；4th, well pattern.
Specific embodiment
With reference to the description of accompanying drawing and the specific embodiment of the invention, details of the invention can be clearly understood.But
It is, the specific embodiment of invention described herein to be only used for explaining the purpose of the present invention, and can not understands by any way
Into being limitation of the present invention.Under the teachings of the present invention, technical staff is contemplated that based on any possible change of the invention
Shape, these are regarded as belonging to the scope of the present invention.It should be noted that when element is referred to as " being arranged at " another yuan
Part, directly on another element or can also there is element placed in the middle in it.When an element is considered as " connection "
Another element, it can be directly to another element or may be simultaneously present centering elements.Term " installation ",
" connected ", " connection " should be interpreted broadly, for example, it may be mechanically connecting or electrical connection, or two element internals
Connection, can be joined directly together, it is also possible to be indirectly connected to by intermediary, for the ordinary skill in the art,
The concrete meaning of above-mentioned term can as the case may be understood.Term as used herein " vertical ", " level ",
" on ", D score, "left", "right" and similar statement for illustrative purposes only, it is unique implementation method to be not offered as.
Unless otherwise defined, all of technologies and scientific terms used here by the article and the technical field for belonging to the application
The implication that technical staff is generally understood that is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the implementation method of body, it is not intended that in limitation the application.Term as used herein "and/or" includes one or more
The arbitrary and all of combination of related Listed Items.
The situation for causing cost increase, blocking agent to waste in order to avoid the amount for injecting blocking agent is excessive, proposes in this application
A kind of profile control method for determination of amount for water injection well, Fig. 1 is the profile control consumption for water injection well in the embodiment of the present invention
Determination method flow chart, as shown in figure 1, this be used for water injection well profile control comprised the following steps with method for determination of amount：
S101：Profile control thickness is determined according to intake profile test data and well log interpretation data.
In this step, the permeability of preset requirement is met according to intake profile test data and the selection of well log interpretation data
With the thickness of injection index as profile control layer effective thickness, the permeability and injection index for meeting preset requirement refer specifically to permeability
Higher and injection index is larger, can so cause that the later stage blocking agent of injection plays one's part to the full.
S102：The basic radius of profile control is obtained based on the distance between producing well and water injection well.
In this step, for depth profile control, according to the experimental study achievement in oil reservoir region, the one of the basic radius of profile control
As range of choice between producing well and water injection well distance 1/3 to 1/2 between, selection should in the range of can obtain preferably
Profile control effect.
S103：Radius of profile control is obtained with the basic radius of the profile control according to tracer data.
In this step, radius of profile control is mainly optimized by tracer data, specifically, Fig. 2 is the embodiment of the present invention
The schematic diagram of middle five-spot typical case well group, as shown in Fig. 2 general have multiple producing wells and a water filling in well pattern in well group
Well, is the profile control area that can carry out profile control between producing well and water injection well.Tracer is injected in water injection well, tracer passes through
Oil reservoir is advanced to multiple producing well directions, wherein, the most fast direction of tracer fltting speed is maximum transfer drive radial direction in well group,
In speed and well group of the tracer data including the most fast direction of tracer fltting speed in well group under tracer different directions
Fltting speed.By pushing away under tracer different directions in the speed in the most fast direction of tracer fltting speed in well group, well group
Enter speed and the basic radius of profile control obtains radius of profile control, its specific formula for calculation is as follows：
Ri=Vi/Vmax×Rmax
Wherein, ViRepresent the fltting speed under tracer a direction, V in well groupmaxRepresent tracer propulsion speed in well group
The speed in the most fast direction of degree, RmaxRepresent profile control horizon radius, RiRepresent radius of profile control.
S104：Profile control area coefficient is determined according to the profile control direction situation between producing well and water injection well.
In this step, the profile control direction situation between producing well and water injection well at least includes one of following：Producing well with
Profile control direction quantity between water injection well, the position relationship in the profile control direction between producing well and water injection well.With reference to profile control direction
And grain direction, Fig. 8 is profile control direction quantity, the position relationship in profile control direction and profile control area coefficient pass in the embodiment of the present invention
System's figure, as shown in figure 8, choosing profile control area coefficient β according to Fig. 8nValue.
S105：Based on the profile control thickness, the radius of profile control, the profile control area coefficient, profile control direction number and connect
Direction number obtains the profile control agent injection rate of predetermined direction.
In this step, according to the profile control thickness, the radius of profile control, the profile control face obtained in above-mentioned S101 to S104
Product coefficient, and profile control direction number and communication direction number, and then water injection well is calculated towards under some producing well predetermined direction
Profile control agent injection rate.Wherein, the profile control direction number is the quantity of the producing well on each profile control direction in well group, the connection
Direction number is the producing well well number for connecting actual with water injection well in well group.Water injection well is towards under some producing well predetermined direction
The calculating process of profile control agent injection rate is specific as follows：
Wherein, RiRadius of profile control is represented, H represents profile control layer effective thickness, and φ represents porosity, βnRepresent profile control area system
Number, F represents profile control direction number, and N represents communication direction number, QiRepresent the profile control agent injection rate of predetermined direction.
S106：Profile control agent injection rate according to the predetermined direction obtains profile control agent total injection rate.
In this step, be generally there are in well group in multiple producing wells, profile control agent total injection rate is to all in water injection well
The profile control agent injection rate sum of producing well direction injection, the calculating process of profile control agent total injection rate is specific as follows：
Q=∑s Qi
Wherein, QiThe profile control agent injection rate of predetermined direction is represented, Q represents profile control agent total injection rate.
It is below consideration area coefficient profile control, considers the radius of profile control in profile control direction and commonly do not consider above-mentioned two factor
Under general profile control contrast experiment's situation, Fig. 9 is five-spot typical case's well group profile control consumption result of calculation in the embodiment of the present invention
Contrast table, as shown in figure 9, after the radius of profile control for considering area coefficient profile control, considering profile control direction, under identical well group
The profile control consumption used under different profile control horizon radius can be greatly reduced.
It is below the development situation in J16 oil fields, J16 oil fields are developed due to long-term injecting water, comprehensive water cut reaches 95%, extraction
Degree reaches 48.4%, therefore the depth profile control of water injection well is first carried out before plan polymer flooding.Choose typical well group J2-B4-
Using the profile control method for determination of amount for water injection well in the application, Fig. 3 is J2-B4- in the embodiment of the present invention to G126
G126 well group floor map, as shown in figure 3, there is 1 mouthful of water injection well in well group, being centered around by the water injection well has 5 mouthfuls of producing wells.
Intake profile test data and well log interpretation data according to J2-B4-G126, selection injection interval are II 5-6, figure
4 is intake profile situation map before the well profile control of well group in Fig. 3 in the embodiment of the present invention, as shown in figure 4, from terms of intake profile II 5
The relative injectivity of top 3.2m thickness is larger, can reach 60-80%, it is thus determined that being the interval of interest of this profile control, adjusts
Cut open thickness and be defined as 3.2m.
The basic radius of profile control is obtained based on the distance between producing well and water injection well, it is contemplated that to the reality of J2-B4-G126 well groups
Border situation and profile control time and overall cost, the basic radius of profile control are defined as the 1/3 of the distance between water injection well and producing well,
It is 50m after calculating.
Radius of profile control is obtained according to tracer data and the basic radius of the profile control, Fig. 5 is in Fig. 3 in the embodiment of the present invention
The tracer fltting speed figure of well group, as shown in figure 5, the speed in the most fast direction of tracer fltting speed is 11.93m/ in well group
D, fltting speed in well group under tracer different directions is 11.93m/d, 8.06m/d, 6.95m/d, 3m/d, wherein, 4-217
Producing well direction is to be advanced without tracer according to test data, therefore 4-217 producing well direction calculatings need not be cutd open at this moment
Consumption.Radius of profile control R1, R2, R3, R4 calculating process on other 4 mouthfuls of producing well profile control directions is as follows：
Profile control area coefficient, according to Fig. 8, profile control are determined according to the profile control direction situation between producing well and water injection well
Direction be four direction and more than, therefore, βnIt is 0.86.
As shown in figure 3, for each profile control direction, the only 1 mouthful direction profile control of producing well, so F is 1.This well group
Inside have 5 mouthfuls of producing wells to be connected with water injection well, so N is 5.
Based on the profile control thickness, the radius of profile control, the profile control area coefficient, profile control direction number and communication direction number
The profile control agent injection rate of predetermined direction is obtained, the profile control agent injection rate further according to the predetermined direction obtains profile control agent and always injects
Amount, by being calculated profile control agent total injection rate Q=Q1+Q2+Q3+Q4=973m3。
Corresponding profile control agent is injected to the different directions of water injection well to carry out profile control successively, and Fig. 6 is in the embodiment of the present invention
Intake profile comparison diagram before and after well group profile control in Fig. 3, as shown in fig. 6, by behind profile control face intake profile data it can be shown that
High permeability zone water absorption is controlled after profile control, is the relative injectivity before original profile control, the mesh of profile control under 2016/2/26 date
Interval two relative injectivities be 66.4% and 20.6%, be to be entered by the method in the application under 2016/10/8 date
Relative injectivity after row profile control, two relative injectivities of the interval of interest of profile control are 35% and 10%, relative injectivity by
Originally total 87% it is reduced to total 45%.Less permeable layer water absorbing capacity is strengthened, the relative injectivity of the preceding lower half of profile control
It is 5.2%, the relative injectivity of lower half is 22% after profile control.Relative injectivity before II6 interval profile controls is improved extremely by 4.4%
After profile control 18.6%.Whole intake profile is adjusted as can be seen from above.Injection pressure is from before profile control simultaneously
8.3MPa rises to the 10.5MPa after profile control, improves 2.2mpa.
The profile control method for determination of amount for water injection well in the application can effectively reduce the use of profile control blocking agent
Amount, it is to avoid the waste of blocking agent under big consumption, reduces cost to a certain extent.Meanwhile, by optimizing all directions profile control face
Accumulate and be efficiently injected into pore volume, high permeability zone water absorption is reduced, and less permeable layer water absorbing capacity is strengthened, and improves tune
Cut open effect so that intake profile is adjusted.
A kind of determining device of the profile control consumption for water injection well is also proposed in this application, and Fig. 7 is implemented for the present invention
It is used for the structural representation of the determining device of the profile control consumption of water injection well in example, as shown in fig. 7, for the profile control consumption of water injection well
Determining device include：
Profile control THICKNESS CALCULATION module, it is used to determine that profile control is thick according to intake profile test data and well log interpretation data
Degree；
The basic radius acquisition module of profile control, it is used to obtain profile control basic half according to the distance between producing well and water injection well
Footpath；
Radius of profile control determining module, it is used to obtain radius of profile control with the basic radius of the profile control according to tracer data；
Profile control area coefficient determining module, it is used to determine to adjust according to the profile control direction situation between producing well and water injection well
Sectional area coefficient；
Profile control agent injection rate computing module, it is used for according to the profile control thickness, the radius of profile control, the profile control area
Coefficient, profile control direction number and communication direction number obtain the profile control agent injection rate of predetermined direction；
Profile control agent total injection rate computing module, it is used to obtain profile control agent according to the profile control agent injection rate of the predetermined direction
Total injection rate.
Multiple element, composition, part or step can be provided by single integrated component, composition, part or step.Alternative
Ground, single integrated component, composition, part or step can be divided into multiple element, composition, part or the step of separation.It is used for
The open "a" or "an" of description element, composition, part or step is not said to exclude other elements, composition, part
Or step.
Each embodiment in this specification is described by the way of progressive, what each embodiment was stressed be with
The difference of other embodiment, between each embodiment identical similar part mutually referring to.Above-described embodiment is only
Technology design of the invention and feature are illustrated, its object is to allow person skilled in the art to will appreciate that present disclosure
And implement according to this, it is not intended to limit the scope of the present invention.All equivalence changes made according to spirit of the invention
Or modification, should all be included within the scope of the present invention.
Claims (11)
1. a kind of profile control method for determination of amount for water injection well, it is characterised in that comprise the following steps：
Profile control thickness is determined according to intake profile test data and well log interpretation data；
The basic radius of profile control is obtained based on the distance between producing well and water injection well；
Radius of profile control is obtained with the basic radius of the profile control according to tracer data；
Profile control area coefficient is determined according to the profile control direction situation between producing well and water injection well；
Obtained based on the profile control thickness, the radius of profile control, the profile control area coefficient, profile control direction number and communication direction number
The profile control agent injection rate of predetermined direction；
Profile control agent injection rate according to the predetermined direction obtains profile control agent total injection rate.
2. the profile control method for determination of amount for water injection well according to claim 1, it is characterised in that be based on described
In the step of the distance between producing well and water injection well obtain profile control basic radius, specifically, for depth profile control, profile control is basic
The range of choice of radius between producing well and water injection well distance 1/3 to 1/2 between.
3. the profile control method for determination of amount for water injection well according to claim 1, it is characterised in that in the basis
In the step of tracer data obtains radius of profile control with the basic radius of the profile control, the tracer data includes spike in well group
Fltting speed in the speed and well group in the most fast direction of agent fltting speed under tracer different directions.
4. the profile control method for determination of amount for water injection well according to claim 3, it is characterised in that in the basis
In the step of tracer data obtains radius of profile control with the basic radius of the profile control, the specific formula for calculation of the radius of profile control is such as
Under：
Ri=Vi/Vmax×Rmax
Wherein, ViRepresent the fltting speed under tracer a direction, V in well groupmaxRepresent that tracer fltting speed is most in well group
The speed in fast direction, RmaxRepresent profile control horizon radius, RiRepresent radius of profile control.
5. the profile control method for determination of amount for water injection well according to claim 1, it is characterised in that in the basis
In the step of profile control direction situation between producing well and water injection well determines profile control area coefficient, between producing well and water injection well
Profile control direction situation at least includes one of following：Profile control direction quantity, producing well and water injection well between producing well and water injection well
Between profile control direction position relationship.
6. the profile control method for determination of amount for water injection well according to claim 1, it is characterised in that the profile control side
To the quantity that number is the producing well on each profile control direction in well group.
7. the profile control method for determination of amount for water injection well according to claim 1, it is characterised in that the connection side
It is the producing well well number for connecting actual with water injection well in well group to number.
8. the profile control method for determination of amount for water injection well according to claim 1, it is characterised in that be based on described
The profile control thickness, the radius of profile control, the profile control area coefficient, profile control direction number and communication direction number obtain predetermined direction
Profile control agent injection rate the step of in, specific calculating process is as follows：
Wherein, RiRadius of profile control is represented, H represents profile control layer effective thickness, and φ represents porosity, βnRepresent profile control area coefficient, F
Profile control direction number is represented, N represents communication direction number, QiRepresent the profile control agent injection rate of predetermined direction.
9. the profile control method for determination of amount for water injection well according to claim 1, it is characterised in that in the basis
In the step of profile control agent injection rate of the predetermined direction obtains profile control agent total injection rate, specific calculating process is as follows：
Q=∑s Qi
Wherein, QiThe profile control agent injection rate of predetermined direction is represented, Q represents profile control agent total injection rate.
10. the profile control method for determination of amount for water injection well according to claim 1, it is characterised in that at described
In the step of determining profile control thickness according to intake profile test data and well log interpretation data, according to intake profile test data and survey
The selection of well interpretation data meets the permeability of preset requirement and the thickness of injection index as profile control layer effective thickness.
The determining device of 11. a kind of profile control consumptions for water injection well, it is characterised in that it includes：
Profile control THICKNESS CALCULATION module, it is used to determine profile control thickness according to intake profile test data and well log interpretation data；
The basic radius acquisition module of profile control, it is used to obtain the basic radius of profile control according to the distance between producing well and water injection well；
Radius of profile control determining module, it is used to obtain radius of profile control with the basic radius of the profile control according to tracer data；
Profile control area coefficient determining module, it is used to determine profile control face according to the profile control direction situation between producing well and water injection well
Product coefficient；
Profile control agent injection rate computing module, it is used for according to the profile control thickness, the radius of profile control, the profile control area system
Number, profile control direction number and communication direction number obtain the profile control agent injection rate of predetermined direction；
Profile control agent total injection rate computing module, it is used to obtaining profile control agent according to the profile control agent injection rate of the predetermined direction always noting
Enter amount.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590571A (en) * | 2018-03-27 | 2018-09-28 | 中国石油天然气股份有限公司 | A kind of Low-permeability, fractured water breakthrough oil reservoir determines method for Profile Control in Injection Well agent dosage |
| CN108756837A (en) * | 2018-05-02 | 2018-11-06 | 中国石油天然气股份有限公司 | A kind of water injection well transfer drive method |
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| CN110872941A (en) * | 2018-08-31 | 2020-03-10 | 中国石油天然气股份有限公司 | Method and device for calculating layered accumulated water absorption of water injection well |
| CN113356806A (en) * | 2020-03-04 | 2021-09-07 | 中国石油化工股份有限公司 | Method and device for adjusting gas injection quantity based on gas flooding wave and coefficient and electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590571A (en) * | 2018-03-27 | 2018-09-28 | 中国石油天然气股份有限公司 | A kind of Low-permeability, fractured water breakthrough oil reservoir determines method for Profile Control in Injection Well agent dosage |
| CN108756837A (en) * | 2018-05-02 | 2018-11-06 | 中国石油天然气股份有限公司 | A kind of water injection well transfer drive method |
| CN108825177A (en) * | 2018-07-09 | 2018-11-16 | 中国海洋石油集团有限公司 | A kind of horizontal well transfer drive technique |
| CN110872941A (en) * | 2018-08-31 | 2020-03-10 | 中国石油天然气股份有限公司 | Method and device for calculating layered accumulated water absorption of water injection well |
| CN110872941B (en) * | 2018-08-31 | 2022-03-29 | 中国石油天然气股份有限公司 | Method and device for calculating layered accumulated water absorption of water injection well |
| CN109630078A (en) * | 2018-11-06 | 2019-04-16 | 中国海洋石油集团有限公司 | A kind of layer is interior to generate CO2Transfer drive parameters design method |
| CN109630078B (en) * | 2018-11-06 | 2021-07-09 | 中国海洋石油集团有限公司 | In-layer generation of CO2Method for designing profile control process parameters |
| CN113356806A (en) * | 2020-03-04 | 2021-09-07 | 中国石油化工股份有限公司 | Method and device for adjusting gas injection quantity based on gas flooding wave and coefficient and electronic equipment |
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