CN107729587A - Consider the method for numerical simulation of thinner injection - Google Patents
Consider the method for numerical simulation of thinner injection Download PDFInfo
- Publication number
- CN107729587A CN107729587A CN201610665292.XA CN201610665292A CN107729587A CN 107729587 A CN107729587 A CN 107729587A CN 201610665292 A CN201610665292 A CN 201610665292A CN 107729587 A CN107729587 A CN 107729587A
- Authority
- CN
- China
- Prior art keywords
- numerical simulation
- thinner
- injection
- data
- phase
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
-
- 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
-
- 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
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/02—Agriculture; Fishing; Mining
Abstract
The present invention provides a kind of method for numerical simulation for considering thinner injection, and the method for numerical simulation of consideration thinner injection includes：Step 1, two-phase three-pseudocomponent model is established；Step 2, definitely under viscous kelvin relation；Step 3, the phase percolation curve defined according to viscosity reduction agent concentration under various concentrations calculates percolation law of the fluid in porous media；Step 4, non-linear mixing function is defined, and establishes reservoir numerical simulation model；Step 5, the result calculated using production history and numerical simulator is fitted；Step 6, different thinner injection rates is defined, result of calculation is optimized, it is determined that rational thinner injection rate.The method for numerical simulation of consideration thinner injection can effectively instruct field conduct, realize the Efficient Development of oil reservoir.
Description
Technical field
The present invention relates to field of numerical reservoir simulation, is more particularly to improved heavy crude reservoir using steam+thinner oil recovery and is opened
Send out the numerical reservoir simulation method of effect.
Background technology
Shengli Oil Field verifies viscous crude oil in place 6.4 × 10 at present8T, wherein eastern oil region verify viscous crude oil in place
5.89×108T, 4.69 × 10 have been employed at present8t；Western oily area finds spring breeze, light of spring oil field in succession, verifies oil in place 8029
×104T, 2471 × 10 have been employed at present4t.With the popularization and application of new theory and new technology, at present, the annual production of Shengli Viscous Crude Oil
Sustainable growth, 2012 annual productions have reached 475 × 104T, it is one of main force position of Shengli Oil Field stable yields volume increase.
Spring breeze oil field mainly uses and developed the methods of HDNS, VDNS, HNS, HDS, VNS at present, achieves preferably
Development effectiveness.But different block reservoir geologic characters is not quite similar, oil property is also not exclusively the same, using which kind of exploitation
Mode, the zone of reasonableness of the injection rate of auxiliary agent, because any of the above development scheme application time is short, lead in how applying at the scene
Cross and select rational injection parameter but oil field realizes that economical and efficient exploitation is the biggest problem for facing.For this, we have invented one
The new method for numerical simulation for considering thinner injection of kind, solves above technical problem.
The content of the invention
It is an object of the invention to provide one kind in using steam+thinner development process, reservoir numerical simulation side is utilized
Method determines the method for numerical simulation for considering thinner injection of rational steam injection intensity and viscosity reduction dosage.
The purpose of the present invention can be achieved by the following technical measures：Consider the method for numerical simulation of thinner injection, should
Considering the method for numerical simulation of thinner injection includes：Step 1, two-phase three-pseudocomponent model is established；Step 2, it is definitely lower viscous warm
Relation；Step 3, the phase percolation curve under various concentrations is defined according to viscosity reduction agent concentration and calculates seepage flow rule of the fluid in porous media
Rule；Step 4, non-linear mixing function is defined, and establishes reservoir numerical simulation model；Step 5, production history and Numerical-Mode are utilized
The result that analog model calculates is fitted；Step 6, different thinner injection rates is defined, result of calculation is optimized, it is determined that
Rational thinner injection rate.
The purpose of the present invention can be also achieved by the following technical measures：
In step 1, two-phase three-pseudocomponent model is defined in a model, and the described component of two-phase three is oil, water, thinner three
Individual component and two oil, water phases.
In step 2, the data of viscosity with temperature change and the dissolving oil-gas ratio of crude oil of three components are gathered, are utilized
Formula is modified to viscosity of crude data, is converted into the delta data of underground crude oil viscosity with temperature,
A=10.715 (5.615R+100)-0.515
B=5.44 (5.615R+150)-0.338
Wherein, μ is live crude viscosity, mPa.s；μ0For degassed crude viscosity, mPa.s；R is gas-oil ratio.
In step 3, the phase percolation curve under the different viscosity reduction agent concentrations measured according to laboratory, interpolation component is defined, and
The source phase of ingredient names and component composition is defined, song is then oozed to define a plurality of phase according to molar fraction of the component in the phase
Line.
The method for numerical simulation of consideration thinner injection also includes, and after step 3, collects the production and injection of oil reservoir
Historical data, generate Production development data and production history file.
In step 4, when defining non-linear mixing function, the title of key component is first defined in a model, and define
The maximum and minimum concentration of the component, finally further according to the viscosity reducing effect of measuring, determines non-linear mixing function.
In step 4, according to known reservoir geology static data, glue warm data, mutually ooze data, viscosity reduction data and dynamic
State data, establish reservoir numerical simulation model.
In steps of 5, the result calculated using production history and numerical simulator is fitted, precision reach 10% with
It is interior to carry out reasonable injection rate prediction, if error is larger, return to step 4 to change non-linear hybrid cytokine and be fitted meter again
Calculate, until reaching required precision.
The technology of the present invention thinking understands, using simple, develops the numerical simulation side that heavy crude thinner auxiliary steam is handled up
Method, there is innovative, practicality, beneficial to popularization.It is important to instruct field conduct and realizing that the exploitation of shallow-thin layer economical and effective has
Directive significance.This method can effectively instruct field conduct, realize the Efficient Development of oil reservoir.
Brief description of the drawings
Fig. 1 is the flow chart of a specific embodiment of the method for numerical simulation for considering thinner injection of the present invention；
Fig. 2 is that 601-20 well history matching day oil-producing correlation curves are arranged in spring breeze oil field in a specific embodiment of the invention.
Embodiment
For enable the present invention above and other objects, features and advantages become apparent, it is cited below particularly go out preferable implementation
Example, and coordinate institute's accompanying drawings, it is described in detail below.
As shown in figure 1, Fig. 1 is the flow chart of the method for numerical simulation for considering thinner injection of the present invention.
Step 1, two-phase three-pseudocomponent model is defined in a model.The described component of two-phase three is three oil, water, thinner groups
It is divided to and two oil, water phases.
Step 2, the data of viscosity with temperature change and the dissolving oil-gas ratio of crude oil of three components are gathered, utilize formula
Viscosity of crude data are modified, are converted into the delta data of underground crude oil viscosity with temperature.
A=10.715 (5.615R+100)-0.515
B=5.44 (5.615R+150)-0.338
μ live crude viscosity, mPa.s
μ0Degassed crude viscosity, mPa.s
R gas-oil ratios
Step 3, the phase percolation curve defined according to viscosity reduction agent concentration under various concentrations calculates fluid oozing in porous media
Flow rule.The phase percolation curve inputted according to experimental data under different thinner implantation concentrations, realize injection various concentrations thinner
Viscosity of crude changes afterwards, its percolation law in porous media.In one embodiment, the different viscosity reductions measured according to laboratory
Phase percolation curve under agent concentration, interpolation component is defined, and define the source phase of ingredient names and component composition, then according to component
Molar fraction in the phase defines a plurality of phase percolation curve.
Step 4, production and the injection historical data of oil reservoir are collected, generates Production development data and production history file.
Step 5, non-linear mixing function is defined.The determination of non-linear mixing function is actually the non-of determination liquid phase viscosity
Linear hybrid rule.The concentration difference of thinner is injected, its viscosity reducing effect is also different.Key component is first defined in a model
Title, and the maximum and minimum concentration of the component is defined, finally further according to the viscosity reducing effect of measuring, determine non-linear mixed
Close function.In one embodiment, the viscosity reducing effect injected under different viscosity reduction agent concentrations measured according to experiment, by viscosity reduction agent concentration
The decile of section 10, calculate the non-linear hybrid cytokine under various concentrations.
Step 6, according to known reservoir geology static data, glue warm data, mutually ooze data, viscosity reduction data and dynamic number
According to establishing reservoir numerical simulation model.
Step 7, the result calculated using production history and numerical simulator is fitted, and precision reaches within 10% i.e.
Reasonable injection rate prediction can be carried out, if error is larger, return to step 5 to change non-linear hybrid cytokine and is fitted meter again
Calculate, until reaching required precision.
Step 8, on reservoir geology parameter basis in step 7, different thinner injection rates is defined, to result of calculation
Optimize, it is determined that rational thinner injection rate.
As shown in Fig. 2 in the instantiation of the application present invention, spring breeze oil field row's 601-20 blocks are extra-viscous oil reservoir,
Arrange the 601-20 well period 1 to develop using VNS, peak value oil mass 16.8t/d, average day oil-producing 7.7t/d, cycle gas oil ratio
0.593；Second round is developed using VDNS, peak value oil mass 26.6t/d, average individual well day oil-producing 11.1t/d, cycle gas oil ratio
1.272.For case above, history matching is carried out to the well, fitting result coincide, realized shallow substantially with produce reality
The thinner assisted steam flooding reservoir numerical simulation research of layer heavy crude reservoir, preferably directs field conduct.
Claims (8)
1. consider the method for numerical simulation of thinner injection, it is characterised in that the method for numerical simulation of consideration thinner injection
Including：
Step 1, two-phase three-pseudocomponent model is established；
Step 2, definitely under viscous kelvin relation；
Step 3, the phase percolation curve under various concentrations is defined according to viscosity reduction agent concentration and calculates seepage flow rule of the fluid in porous media
Rule；
Step 4, non-linear mixing function is defined, and establishes reservoir numerical simulation model；
Step 5, the result calculated using production history and numerical simulator is fitted；
Step 6, different thinner injection rates is defined, result of calculation is optimized, it is determined that rational thinner injection rate.
2. the method for numerical simulation according to claim 1 for considering thinner injection, it is characterised in that in step 1,
Two-phase three-pseudocomponent model defined in model, the described component of two-phase three are two oil, water, three components of thinner and oil, water phases
State.
3. the method for numerical simulation according to claim 1 for considering thinner injection, it is characterised in that in step 2, adopt
Viscosity of crude data are entered by the data of viscosity with temperature change and the dissolving oil-gas ratio of crude oil of three components of collection using formula
Row amendment, the delta data of underground crude oil viscosity with temperature is converted into,
<mrow>
<mi>&mu;</mi>
<mo>=</mo>
<msubsup>
<mi>A&mu;</mi>
<mn>0</mn>
<mi>B</mi>
</msubsup>
</mrow>
A=10.715 (5.615R+100)-0.515
B=5.44 (5.615R+150)-0.338
Wherein, μ is live crude viscosity, mPa.s；μ0For degassed crude viscosity, mPa.s；R is gas-oil ratio.
4. the method for numerical simulation according to claim 1 for considering thinner injection, it is characterised in that in step 3, root
Phase percolation curve under the different viscosity reduction agent concentrations measured according to laboratory, interpolation component is defined, and define ingredient names and component group
Into source phase, a plurality of phase percolation curve is then defined according to molar fraction of the component in the phase.
5. the method for numerical simulation according to claim 1 for considering thinner injection, it is characterised in that the consideration thinner
The method for numerical simulation of injection also includes, and after step 3, collects production and the injection historical data of oil reservoir, generation production is dynamic
State data and production history file.
6. the method for numerical simulation according to claim 1 for considering thinner injection, it is characterised in that in step 4,
When defining non-linear mixing function, the title of key component is first defined in a model, and define the maximum and minimum of the component
Concentration, finally further according to the viscosity reducing effect of measuring, determine non-linear mixing function.
7. the method for numerical simulation according to claim 1 for considering thinner injection, it is characterised in that in step 4, root
According to known reservoir geology static data, viscous warm data, data, viscosity reduction data and dynamic data are mutually oozed, establishes numerical reservoir
Simulation model.
8. the method for numerical simulation according to claim 1 for considering thinner injection, it is characterised in that in steps of 5, profit
The result calculated with production history and numerical simulator is fitted, and precision reaches that reasonable injection rate is carried out within 10% is pre-
Survey, if error is larger, return to step 4 to change non-linear hybrid cytokine and be fitted calculating again, until reaching required precision.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610665292.XA CN107729587A (en) | 2016-08-12 | 2016-08-12 | Consider the method for numerical simulation of thinner injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610665292.XA CN107729587A (en) | 2016-08-12 | 2016-08-12 | Consider the method for numerical simulation of thinner injection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107729587A true CN107729587A (en) | 2018-02-23 |
Family
ID=61201507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610665292.XA Withdrawn CN107729587A (en) | 2016-08-12 | 2016-08-12 | Consider the method for numerical simulation of thinner injection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107729587A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109695440A (en) * | 2019-01-24 | 2019-04-30 | 西南石油大学 | A kind of determination method of oil soluble viscosity reducer mining site construction parameter |
| CN110593849A (en) * | 2019-08-22 | 2019-12-20 | 魏峰 | Oil reservoir numerical simulation method considering dynamic change of phase-permeability curve |
| CN110671084A (en) * | 2019-09-04 | 2020-01-10 | 中国石油化工股份有限公司 | Method for simulating flooding numerical value of common thick oil water-soluble viscosity reducer |
| CN114033342A (en) * | 2020-07-21 | 2022-02-11 | 中国石油化工股份有限公司 | Viscosity reduction driving method for realizing effective use of deep low-permeability thickened oil |
| CN114622880A (en) * | 2020-12-14 | 2022-06-14 | 中国石油化工股份有限公司 | Bottom water heavy oil reservoir water-pressure viscosity reduction exploitation method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103790561A (en) * | 2012-11-02 | 2014-05-14 | 中国石油化工股份有限公司 | Multi-cyclic huff-and-puff late production method for thin heavy oil reservoirs |
| US20140248401A1 (en) * | 2011-06-30 | 2014-09-04 | Richard Alimenti | Deposited hard shell and soft chewy center candy and method of making |
| CN104265252A (en) * | 2014-08-19 | 2015-01-07 | 中国石油天然气股份有限公司 | Displacement developing method for artificial foamed oil of heavy oil reservoir |
-
2016
- 2016-08-12 CN CN201610665292.XA patent/CN107729587A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140248401A1 (en) * | 2011-06-30 | 2014-09-04 | Richard Alimenti | Deposited hard shell and soft chewy center candy and method of making |
| CN103790561A (en) * | 2012-11-02 | 2014-05-14 | 中国石油化工股份有限公司 | Multi-cyclic huff-and-puff late production method for thin heavy oil reservoirs |
| CN104265252A (en) * | 2014-08-19 | 2015-01-07 | 中国石油天然气股份有限公司 | Displacement developing method for artificial foamed oil of heavy oil reservoir |
Non-Patent Citations (4)
| Title |
|---|
| YAO-ZHONG YANG: "Study and Application of Comprehensive Analysis System on Reservoir Engineering", 《2016 INTERNATIONAL CONFERENCE ON COMPUTER ENGINEERING AND INFORMATION SYSTEMS》 * |
| 冯保华: "浅薄稠油油藏HDNS技术数值模拟研究", 《中国优秀硕士学位论文全文数据库_工程科技Ⅰ辑》 * |
| 刘文章: "《石油钻采工艺》", 31 March 1982 * |
| 赵所: "排601砂体开发方案设计研究", 《中国优秀硕士学位论文全文数据库_工程科技Ⅰ辑》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109695440A (en) * | 2019-01-24 | 2019-04-30 | 西南石油大学 | A kind of determination method of oil soluble viscosity reducer mining site construction parameter |
| CN109695440B (en) * | 2019-01-24 | 2019-10-22 | 西南石油大学 | A kind of determination method of oil soluble viscosity reducer mining site construction parameter |
| CN110593849A (en) * | 2019-08-22 | 2019-12-20 | 魏峰 | Oil reservoir numerical simulation method considering dynamic change of phase-permeability curve |
| CN110671084A (en) * | 2019-09-04 | 2020-01-10 | 中国石油化工股份有限公司 | Method for simulating flooding numerical value of common thick oil water-soluble viscosity reducer |
| CN114033342A (en) * | 2020-07-21 | 2022-02-11 | 中国石油化工股份有限公司 | Viscosity reduction driving method for realizing effective use of deep low-permeability thickened oil |
| CN114622880A (en) * | 2020-12-14 | 2022-06-14 | 中国石油化工股份有限公司 | Bottom water heavy oil reservoir water-pressure viscosity reduction exploitation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107729587A (en) | Consider the method for numerical simulation of thinner injection | |
| Meyer et al. | Optimization of multiple transverse hydraulic fractures in horizontal wellbores | |
| CN103590818B (en) | A kind of shaft interior temperature distribution semi-analytical determination method and device | |
| CN104989341B (en) | A kind of method for determining low-permeability oil deposit effective displacement injector producer distance | |
| CN104060985B (en) | A kind of stratified deposit profile control and water plugging blocking agent penetration depth method of testing and system | |
| CN100419208C (en) | Multi-block equal-fluidity energy-gathering parallel synchronous oil displacement method for heterogeneous oil reservoir | |
| CN104594872A (en) | Method for optimizing fracture conductivity of tight gas-reservoir fractured horizontal well | |
| CN101725346A (en) | Oil deposit inter-well dynamic connectivity inverting method | |
| CN103939066A (en) | Method for determining oil well liquid production capacities by determining water injection capacities of one-injection and multi-production well group | |
| Zhao et al. | History matching and production optimization of water flooding based on a data-driven interwell numerical simulation model | |
| CN103670350B (en) | A kind of variable intensity water injection exploitation method for carbonate fracture-cavity oil reservoir | |
| CN103628868B (en) | A kind of high volatile volatile oil reservoir injection construction of natural gas fields oil production Forecasting Methodology | |
| CN104915530B (en) | The method for building up of oil reservoir interwell communication relation | |
| CN104314547A (en) | HAFD segmented optimization method and system | |
| CN104634713B (en) | Method for representing non-linear relationship of oil-water relative permeability curve at ultra-high water cut stage | |
| CN103867176A (en) | Experimental device for simulating multi-component fluid throughput thermal recovery | |
| CN109543206A (en) | The economic calorific requirement optimization method of heavy crude heat extraction horizontal well reservoir | |
| CN113836695B (en) | Oil reservoir numerical simulation method based on gridless connecting element | |
| CN106875286A (en) | A kind of polymer flooding oil field overall process notes poly- parameter hierarchy optimization decision-making technique | |
| CN103775078A (en) | Method for forecasting effective viscosity of power law fluid in porous medium | |
| CN106150461B (en) | Chemical flooding numerical reservoir simulation method | |
| CN106014365B (en) | A method of prediction waterflooding development Production Decline Prediction of Oilfield rate | |
| CN106097118A (en) | A kind of permeability saturation curve determines the method for heavy crude reservoir polymer flooding scope on opportunity | |
| CN106468160B (en) | A kind of determining CO2Drive the method and CO of foam stream oil ingredient2The analogy method of drive | |
| CN106150454B (en) | Offshore oilfield vector quantization production and injection proration method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180223 |