CN108520143A - A kind of gas injection development oil reservoir gas-oil ratio climbing characterizing method - Google Patents
A kind of gas injection development oil reservoir gas-oil ratio climbing characterizing method Download PDFInfo
- Publication number
- CN108520143A CN108520143A CN201810305564.4A CN201810305564A CN108520143A CN 108520143 A CN108520143 A CN 108520143A CN 201810305564 A CN201810305564 A CN 201810305564A CN 108520143 A CN108520143 A CN 108520143A
- Authority
- CN
- China
- Prior art keywords
- gas
- oil
- formula
- saturation
- relational expression
- 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.)
- Granted
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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Evolutionary Computation (AREA)
- Geometry (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The present invention relates to a kind of gas injection development oil reservoir gas-oil ratio climbing characterizing methods comprising following steps：1) according to the relationship of matter balance equation and outlet end gas saturation and cumulative oil production, determine that outlet end gas saturation and stratum are averaged the relational expression of gas saturation；2) it is based on above-mentioned relation formula, the relationships of indices in conjunction with the oil gas relative permeability of gas-drive pool and Darcy's law, establishes gas-drive pool gas drive indicatrix relational expression；3) it according to the practical tired aerogenesis of oil reservoir and tired oil-producing data, is fitted using the gas-drive pool gas drive indicatrix relational expression of step 2), obtains each coefficient entry in gas-drive pool gas drive indicatrix relational expression；4) gas injection development oil reservoir gas-oil ratio climbing expression formula is established in the relational expression derivation for being based on step 2), and using each coefficient entry obtained in step 3), obtains gas injection development oil reservoir gas-oil ratio climbing plate.The present invention can be widely applied to the determination that gas injection development oil reservoir gas-oil ratio in oil field development research field rises rule.
Description
Technical field
The present invention relates to a kind of gas injection development oil reservoir gas-oil ratio climbing characterizing methods, belong to oil-gas field development reservoir engineering
Technical field.
Background technology
It is to improve the effective exploitation mode of effect of reservoir development, but after injected gas front is broken through, produce that exploitation is driven in gas injection
Well gas-oil ratio often shows zooming trend, leads to well yield rapid decrement, brings challenges to oil reservoir Efficient Development.
In order to improve the development effectiveness of gas injection development oil reservoir to greatest extent, needs the gas-oil ratio after clear injected gas breakthrough to rise rule, refer to
Lead the optimization of the gas injection after injected gas breakthrough.However at present and have not seen the oil reservoir work in relation to gas injection development oil reservoir gas-oil ratio climbing
Journey theoretical study method often describes the post-breakthrough gas-oil ratio of gas injection using numerical reservoir simulation method and rises rule.But the party
Method is longer research cycle, and computational accuracy is limited to practical static and dynamic data quality and reservoir history matching effect, oil reservoir
Static data quality is not high or data volume is insufficient can cause to be difficult to accurate characterization geological knowledge, be brought to reservoir history matching larger
Uncertainty, while the quality of test data and the artificial experience of history matching can also influence the reliability of history matching.
Therefore, the reservoir engineering theories research method for establishing gas injection development oil reservoir gas-oil ratio climbing, it is post-breakthrough can to improve gas injection
Gas-oil ratio rises the understanding precision of rule, while can improve working efficiency again, shorten research cycle, has to the Efficient Development of oil reservoir
There is important meaning.
Invention content
In view of the above-mentioned problems, the object of the present invention is to provide a kind of gas injection development oil reservoir gas-oil ratio climbing characterizing method,
This method considers outlet end gas saturation and average gas saturation relationship, matter balance equation and oil gas two phase fluid flow
Theory, derivation establishes novel gas injection development oil reservoir gas drive indicatrix expression formula, and is derived by injection based on this
The post-breakthrough gas-oil ratio climbing expression formula of gas injects the post-breakthrough gas-oil ratio rising rule of gas to accurately hold gas injection development oil reservoir
Rule provides theoretical foundation.
To achieve the above object, the present invention takes following technical scheme：A kind of gas injection development oil reservoir gas-oil ratio climbing table
Sign method, which is characterized in that this approach includes the following steps：1) according to matter balance equation and outlet end gas saturation with it is tired
The relationship of product oil production determines that outlet end gas saturation and stratum are averaged the relational expression of gas saturation；2) it is based on step 1)
Outlet end gas saturation and stratum be averaged the relational expression of gas saturation, in conjunction with the oil gas relative permeability of gas-drive pool
Gas-drive pool gas drive indicatrix relational expression is established in relationships of indices and Darcy's law；3) according to the practical tired aerogenesis of oil reservoir and tired
Oil-producing data are fitted using the gas-drive pool gas drive indicatrix relational expression of step 2), obtain gas-drive pool gas drive feature
Each coefficient entry in curved line relation formula；4) the gas-drive pool gas drive indicatrix relational expression derivation based on step 2) is established gas injection and is opened
Hair oil hides gas-oil ratio climbing expression formula, and using each coefficient entry obtained in step 3), obtains gas injection development oil reservoir gas-oil ratio
Climbing plate.
When carrying out the step 1), following steps are specifically included：
1. according to matter balance equation, obtains stratum and be averaged the relational expression of aeration degree and cumulative oil production：
In formula,It is averaged gas saturation for stratum；NpFor cumulative oil production；AoFor stratum oil area；H has for stratum
Imitate thickness；φ is stratum effecive porosity；BoiFor the oil phase volume coefficient under primary condition；
2. according to matter balance equation, outlet end gas saturation and the relational expression of cumulative oil production are obtained：
In formula, SgFor outlet end gas saturation；J1、J2For constant；NoFor oil in-place；SwiIt is full for initial aqueous
And degree；SoiFor initial oil saturation；SgiFor initial gas saturation；SorFor residual oil saturation；
3. 1. and 2. can obtain stratum according to step to be averaged the relational expression of gas saturation and outlet end gas saturation：
In formula,B=J1(Swi+Sgi)-J1(1-Sor)。
When carrying out the step 2), following steps are specifically included：
1. for oil, gas phase relative permeability ratio and the outlet end gassiness of gas injection development oil reservoir mixed phase drive and non-phase-mixing driving
The relationship of saturation degree, it is unified to be indicated with exponential form：
In formula, krgFor gas phase relative permeability；kroFor oil relative permeability；M, n is permeability saturation curve recurrence side
Journey coefficient；
2. when not considering water phase flowing, the oil-gas two-phase flow amount under formation condition can be determined using Darcy's law, and
And under the conditions of gas drive steady seepage, there is such as ShiShimonoseki between the relative permeability ratio and oil-gas two-phase flow amount of oil gas two-phase
System：
In formula, qgaFor stratum gas production；qoaFor stratum oil production；μgFor stratum gaseous viscosity；μoFor stratum oil phase viscosity；
3. there is such as ShiShimonoseki under the gas production and oil production and surface condition under formation condition between gas production and oil production
System：
qga=(qg-qo×Rsi)×Bg (6)
qoa=qo×Bo (7)
In formula, qgFor surface gas rate；qoFor ground oil production；RsiFor dissolved gas oil ratio；BgFor formation gas volume system
Number；BoFor oil volume factor in formation；
4. ground daily oil production and stratum can be obtained according to the formula (1) in step 1) to be averaged the relational expression of gas saturation：
In formula, BoiFor oil volume factor；
5. the formula (4) in the formula (3) and step 2) in step 1), (6), (7), (8) are substituted into formula (6) and integrate shifting
, it can must characterize the gas drive indicatrix relational expression of gas injection development oil reservoir cumulative gas production and cumulative oil production correlation：
ln(Gp-ZNp+ C)=X+YNp (9)
In formula,Z
=Rsi。
In formula, GpFor cumulative gas production；
When carrying out the step 3), according to the practical tired aerogenesis of oil reservoir and tired oil-producing data, ln (G are drawnp-ZNp+ C) and it is tired
Product oil production NpRelation curve, using formula (9) to ln (Gp-ZNp+ C) and NpLinear relationship be fitted, obtain X, Y, Z
With tetra- coefficient entries of C.
When carrying out the step 4), following steps are specifically included：
1. carrying out derivation to formula (9), and transplant, obtains the relational expression of gas injection development oil reservoir gas-oil ratio and recovery percent of reserves：
In formula, GOR is gas-oil ratio；NRTo employ oil in place；RfFor recovery percent of reserves；
2. defining the rising value for employing oil in place gas-oil ratio that gas-oil ratio climbing is often extraction 1%, utilize formula (10)
To recovery percent of reserves derivation, transposition, the relational expression of gas-oil ratio climbing and recovery percent of reserves, i.e. gas-oil ratio climbing relational expression are obtained：
In formula, GOR ' is gas-oil ratio climbing；
3. formula (9) the coefficient entry numerical value (X, Y) that step 3) obtains is updated in formula (11), gas injection development oil reservoir gas is obtained
Oil specifies gas-oil ratio and rises rule than climbing plate；
4. according to the gas injection development oil reservoir gas-oil ratio climbing plate obtained in step 4), the recovery percent of reserves of producing well is specified
And gas-oil ratio rises the residing stage, takes the countermeasure for the injected gas volume for reducing corresponding gas injection well, realization slow down gas-oil ratio it is quick on
The purpose risen.
The invention adopts the above technical scheme, which has the following advantages：1, the present invention considers outlet end gassiness
Saturation degree and average gas saturation relationship, matter balance equation and oil gas relative permeability exponential relationship, derivation establish table
The novel gas drive indicatrix relational expression for levying gas injection development oil reservoir cumulative gas production and cumulative oil production correlation, clearly proposes
The physical significance of parameters, can accurate characterization gas injection development oil reservoir tire out aerogenesis and tired oil-producing correlation.2, base of the present invention
The relational expression for establishing gas-oil ratio climbing and recovery percent of reserves is derived in gas drive indicatrix relational expression, specifies that gas-oil ratio rises
Rule provides theoretical foundation to accurately hold the post-breakthrough gas-oil ratio rising rule of gas injection development oil reservoir injection gas, and is production
System, which is optimized and revised, provides technical guarantee.3, gas-oil ratio climbing characterizing method provided by the invention, formula is simple and clear, object
It is clear to manage meaning, easy to operation and implementation can not only ensure that gas-oil ratio rose rule characterization precision, but also can improve work effect
Rate.
Description of the drawings
Fig. 1 is the ln (G of A1 wellsp-ZNp+ C) and cumulative oil production NpRelationship matched curve figure；
Fig. 2 is A1 well gas-oil ratio climbings and movable oil in place recovery percent of reserves relationship plate；
Fig. 3 is the production curve figure of A1 wells；
Fig. 4 is A2 well gas injection rate curve graphs.
Specific implementation mode
The present invention is described in detail below with reference to the accompanying drawings and embodiments.It should be appreciated, however, that the offer of attached drawing is only
For a better understanding of the present invention, they should not be interpreted as limitation of the present invention.
The present invention provides a kind of gas injection development oil reservoir gas-oil ratio climbing characterizing methods, and this approach includes the following steps：
1) according to the relationship of matter balance equation and outlet end gas saturation and cumulative oil production, outlet end gassiness is determined
Saturation degree and stratum are averaged the relational expression of gas saturation, specifically include the following contents：
1. according to matter balance equation, stratum can be obtained and be averaged the relational expression of aeration degree and cumulative oil production：
In formula,It is averaged gas saturation for stratum；NpFor cumulative oil production；AoFor stratum oil area；H has for stratum
Imitate thickness；φ is stratum effecive porosity；BoiFor the oil phase volume coefficient under primary condition.
2. according to matter balance equation, outlet end gas saturation and the relational expression of cumulative oil production can be obtained：
In formula, SgFor outlet end gas saturation；J1、J2For constant；NoFor oil in-place；SwiIt is full for initial aqueous
And degree；SoiFor initial oil saturation；SgiFor initial gas saturation；SorFor residual oil saturation.
3. 1. and 2. can obtain stratum according to step to be averaged the relational expression of gas saturation and outlet end gas saturation：
In formula,B=J1(Swi+Sgi)-J1(1-Sor)。
2) it is based on the outlet end gas saturation of step 1) and stratum be averaged the relational expression of gas saturation, it is oily in conjunction with gas drive
The relationships of indices of the oil gas relative permeability of Tibetan and Darcy's law establish gas-drive pool gas drive indicatrix relational expression, specifically
Including the following contents：
1. for oil, gas phase relative permeability ratio and the outlet end gassiness of gas injection development oil reservoir mixed phase drive and non-phase-mixing driving
The relationship of saturation degree can be unified to be indicated with exponential form：
In formula, krgFor gas phase relative permeability；kroFor oil relative permeability；M, n is permeability saturation curve recurrence side
Journey coefficient.
2. when not considering water phase flowing, the oil-gas two-phase flow amount under formation condition can be determined using Darcy's law, and
And under the conditions of gas drive steady seepage, there is such as ShiShimonoseki between the relative permeability ratio and oil-gas two-phase flow amount of oil gas two-phase
System：
In formula, qgaFor stratum gas production；qoaFor stratum oil production；μgFor stratum gaseous viscosity；μoFor stratum oil phase viscosity.
3. there is such as ShiShimonoseki under the gas production and oil production and surface condition under formation condition between gas production and oil production
System：
qga=(qg-qo×Rsi)×Bg (6)
qoa=qo×Bo (7)
In formula, qgFor surface gas rate；qoFor ground oil production；RsiFor dissolved gas oil ratio；BgFor formation gas volume system
Number；BoFor oil volume factor in formation.
4. ground daily oil production and stratum can be obtained according to the formula (1) in step 1) to be averaged the relational expression of gas saturation：
In formula, BoiFor oil volume factor.
5. the formula (4) in the formula (3) and step 2) in step 1), (6), (7), (8) are substituted into formula (6) and integrate shifting
, it can must characterize the gas drive indicatrix relational expression of gas injection development oil reservoir cumulative gas production and cumulative oil production correlation：
ln(Gp-ZNp+ C)=X+YNp (9)
In formula,Z
=Rsi。
In formula, GpFor cumulative gas production.
3) according to the practical tired aerogenesis of oil reservoir and tired oil-producing data, the gas-drive pool gas drive indicatrix relationship of step 2) is utilized
Formula is fitted, and obtains each coefficient entry in gas-drive pool gas drive indicatrix relational expression.
According to the practical tired aerogenesis of oil reservoir and tired oil-producing data (as shown in table 1), ln (G are drawnp-ZNp+ C) and cumulative oil production
NpRelation curve (as shown in Figure 1), using formula (9) to ln (Gp-ZNp+ C) and cumulative oil production NpLinear relationship carry out
Fitting, obtains tetra- coefficient entries of X, Y, Z and C, and respectively 7.69,0.00935,550,28619.
1 A1 well 2012-2017 Production development data of table
| Time | Tired oil-producing/all places | Tired aerogenesis/all places |
| 2012/6/1 | 231.8 | 133690.7 |
| 2012/9/1 | 238.6 | 138995.3 |
| 2013/1/1 | 255.1 | 150861.9 |
| 2013/3/1 | 274.7 | 166470.6 |
| 2013/6/1 | 295.7 | 185320.2 |
| 2013/9/1 | 316.8 | 207077.7 |
| 2014/1/1 | 336.8 | 229354.7 |
| 2014/3/1 | 350.6 | 245776.6 |
| 2014/6/1 | 370.2 | 274658.3 |
| 2014/9/1 | 385.0 | 302883.9 |
| 2015/1/1 | 395.8 | 324422.3 |
| 2015/3/1 | 408.6 | 349972.2 |
| 2015/6/1 | 419.2 | 370622.2 |
| 2015/9/1 | 430.7 | 392870.2 |
| 2016/1/1 | 439.1 | 408458.7 |
| 2016/3/1 | 448.1 | 427344.7 |
| 2016/6/1 | 458.4 | 450452.2 |
| 2016/9/1 | 466.5 | 471014.6 |
| 2017/1/1 | 470.5 | 486007.7 |
4) the gas-drive pool gas drive indicatrix relational expression derivation for being based on step 2) is established in gas injection development oil reservoir gas-oil ratio
Rate expression formula is risen, and using each coefficient entry obtained in step 3), obtains gas injection development oil reservoir gas-oil ratio climbing plate, specifically
Including the following contents：
1. carrying out derivation to formula (9), and transplant, obtains the relational expression of gas injection development oil reservoir gas-oil ratio and recovery percent of reserves：
In formula, GOR is gas-oil ratio；NRTo employ oil in place；RfFor recovery percent of reserves.
2. defining the rising value for employing oil in place gas-oil ratio that gas-oil ratio climbing is often extraction 1%, utilize formula (10)
To recovery percent of reserves derivation, transposition, the relational expression of gas-oil ratio climbing and recovery percent of reserves, i.e. gas-oil ratio climbing relational expression are obtained：
In formula, GOR ' is gas-oil ratio climbing.
3. formula (9) the coefficient entry numerical value (X, Y) that step 3) obtains is updated in formula (11), gas injection development oil reservoir gas is obtained
Oil specifies gas-oil ratio and rises rule than climbing plate (as shown in Figure 2), and after injected gas breakthrough, gas-oil ratio climbing is dull
Incremental, whole exponential rising；In gas injection development oil reservoir, after injected gas breakthrough, need to take Optimizing manufacture as early as possible
Measure controls the gassiness rate of climb, by the production practices of West Africa deep water A oil reservoirs, can pass through the note in reduction injected gas breakthrough area
Enter tolerance, improve the gas injection rate that injection gas does not break through area, under the premise of keeping oil reservoir balanced flood, realizes that control gassiness rises
The purpose of speed.
4. according to the Production development of A1 wells it is found that the well in October, 2016 gas-oil ratio be in zooming trend (such as Fig. 3
It is shown), can dynamic reserve recovery percent of reserves reach 40%, comparison diagram 2 passes through it is found that gas-oil ratio climbing is in the rapid increase phase
Taking reduces the gas injection rate (as shown in Figure 4) of corresponding gas injection well A2, and A1 wells gas-oil ratio in 2017 is effectively controlled.
The various embodiments described above are merely to illustrate the present invention, wherein the structure of each component, connection type and manufacture craft etc. are all
It can be varied from, every equivalents carried out based on the technical solution of the present invention and improvement should not exclude
Except protection scope of the present invention.
Claims (5)
1. a kind of gas injection development oil reservoir gas-oil ratio climbing characterizing method, which is characterized in that this approach includes the following steps：
1) according to the relationship of matter balance equation and outlet end gas saturation and cumulative oil production, outlet end gassiness saturation is determined
Spend the relational expression for the gas saturation that is averaged with stratum；
2) it is based on the outlet end gas saturation of step 1) and stratum is averaged the relational expression of gas saturation, in conjunction with gas-drive pool
Gas-drive pool gas drive indicatrix relational expression is established in the relationships of indices of oil gas relative permeability and Darcy's law；
3) according to the practical tired aerogenesis of oil reservoir and tired oil-producing data, using step 2) gas-drive pool gas drive indicatrix relational expression into
Row fitting, obtains each coefficient entry in gas-drive pool gas drive indicatrix relational expression；
4) gas injection development oil reservoir gas-oil ratio climbing is established in the gas-drive pool gas drive indicatrix relational expression derivation for being based on step 2)
Expression formula, and using each coefficient entry obtained in step 3), obtain gas injection development oil reservoir gas-oil ratio climbing plate.
2. a kind of gas injection development oil reservoir gas-oil ratio climbing characterizing method as described in claim 1, which is characterized in that carrying out
When the step 1), following steps are specifically included：
1. according to matter balance equation, obtains stratum and be averaged the relational expression of aeration degree and cumulative oil production：
In formula,It is averaged gas saturation for stratum；NpFor cumulative oil production；AoFor stratum oil area；H is that stratum is effectively thick
Degree；φ is stratum effecive porosity；BoiFor the oil phase volume coefficient under primary condition；
2. according to matter balance equation, outlet end gas saturation and the relational expression of cumulative oil production are obtained：
In formula, SgFor outlet end gas saturation；J1、J2For constant；NoFor oil in-place；SwiFor initial water saturation；
SoiFor initial oil saturation；SgiFor initial gas saturation；SorFor residual oil saturation；
3. 1. and 2. can obtain stratum according to step to be averaged the relational expression of gas saturation and outlet end gas saturation：
In formula,B=J1(Swi+Sgi)-J1(1-Sor)。
3. a kind of gas injection development oil reservoir gas-oil ratio climbing characterizing method as claimed in claim 2, which is characterized in that carrying out
When the step 2), following steps are specifically included：
1. being driven for gas injection development oil reservoir mixed phase and the oil of non-phase-mixing driving, gas phase relative permeability ratio and outlet end gassiness being saturated
The relationship of degree, it is unified to be indicated with exponential form：
In formula, krgFor gas phase relative permeability；kroFor oil relative permeability；M, n is permeability saturation curve regression equation system
Number；
2. when not considering water phase flowing, the oil-gas two-phase flow amount under formation condition can be determined using Darcy's law, and
Under the conditions of gas drive steady seepage, there are following relationships between the relative permeability ratio and oil-gas two-phase flow amount of oil gas two-phase：
In formula, qgaFor stratum gas production；qoaFor stratum oil production；μgFor stratum gaseous viscosity；μoFor stratum oil phase viscosity；
3. under the gas production and oil production and surface condition under formation condition, there are following relationships between gas production and oil production：
qga=(qg-qo×Rsi)×Bg (6)
qoa=qo×Bo (7)
In formula, qgFor surface gas rate；qoFor ground oil production；RsiFor dissolved gas oil ratio；BgFor formation gas volume factor；Bo
For oil volume factor in formation；
4. ground daily oil production and stratum can be obtained according to the formula (1) in step 1) to be averaged the relational expression of gas saturation：
In formula, BoiFor oil volume factor；
5. the formula (4) in the formula (3) and step 2) in step 1), (6), (7), (8) are substituted into formula (6) and integrate transposition, it can
The gas drive indicatrix relational expression of gas injection development oil reservoir cumulative gas production and cumulative oil production correlation must be characterized：
ln(Gp-ZNp+ C)=X+YNp (9)
In formula,Z=Rsi。
In formula, GpFor cumulative gas production；
4. a kind of gas injection development oil reservoir gas-oil ratio climbing characterizing method as claimed in claim 3, which is characterized in that carrying out
When the step 3), according to the practical tired aerogenesis of oil reservoir and tired oil-producing data, ln (G are drawnp-ZNp+ C) and cumulative oil production NpPass
It is curve, using formula (9) to ln (Gp-ZNp+ C) and NpLinear relationship be fitted, obtain tetra- coefficient entries of X, Y, Z and C.
5. a kind of gas injection development oil reservoir gas-oil ratio climbing characterizing method as claimed in claim 4, which is characterized in that carrying out
When the step 4), following steps are specifically included：
1. carrying out derivation to formula (9), and transplant, obtains the relational expression of gas injection development oil reservoir gas-oil ratio and recovery percent of reserves：
In formula, GOR is gas-oil ratio；NRTo employ oil in place；RfFor recovery percent of reserves；
2. the rising value for employing oil in place gas-oil ratio that gas-oil ratio climbing is often extraction 1% is defined, using formula (10) to adopting
Go out degree derivation, transposition, obtains the relational expression of gas-oil ratio climbing and recovery percent of reserves, i.e. gas-oil ratio climbing relational expression：
In formula, GOR ' is gas-oil ratio climbing；
3. formula (9) the coefficient entry numerical value (X, Y) that step 3) obtains is updated in formula (11), gas injection development oil reservoir gas-oil ratio is obtained
Climbing plate specifies gas-oil ratio and rises rule；
4. according to the gas injection development oil reservoir gas-oil ratio climbing plate obtained in step 4), the recovery percent of reserves and gas of producing well are specified
Oil takes the countermeasure for the injected gas volume for reducing corresponding gas injection well, it is zooming that realization slows down gas-oil ratio than rising the residing stage
Purpose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810305564.4A CN108520143B (en) | 2018-04-08 | 2018-04-08 | Gas-oil ratio rise rate characterization method for gas injection development oil reservoir |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810305564.4A CN108520143B (en) | 2018-04-08 | 2018-04-08 | Gas-oil ratio rise rate characterization method for gas injection development oil reservoir |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108520143A true CN108520143A (en) | 2018-09-11 |
| CN108520143B CN108520143B (en) | 2022-04-08 |
Family
ID=63431626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810305564.4A Active CN108520143B (en) | 2018-04-08 | 2018-04-08 | Gas-oil ratio rise rate characterization method for gas injection development oil reservoir |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108520143B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110543619A (en) * | 2019-09-10 | 2019-12-06 | 中国海洋石油集团有限公司 | Gas drive reservoir recoverable reserve prediction and development effect evaluation method |
| CN111810119A (en) * | 2020-07-21 | 2020-10-23 | 重庆科技学院 | Method for calculating productivity of gas well of high-pressure carbonate rock with water-gas reservoir |
| US11320564B1 (en) * | 2021-05-07 | 2022-05-03 | Southwest Petroleum University | Method and system for determining single-well dynamic reserve and recoverable reserve of gas-drive reservoir |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1119686A1 (en) * | 1998-09-22 | 2001-08-01 | Atlantic Richfield Company | Method and system for separating and injecting gas and water in a wellbore |
| CN104392091A (en) * | 2014-09-30 | 2015-03-04 | 中国石油大学(北京) | Oil reservoir engineering dynamic analysis method in gas driving development |
| CN104453804A (en) * | 2014-10-17 | 2015-03-25 | 中国海洋石油总公司 | Dynamic monitoring and evaluating method for gas-drive reservoir development |
| CN207093050U (en) * | 2017-08-01 | 2018-03-13 | 中国石油天然气股份有限公司 | A kind of gas drive well pattern structure of high water cut rate high inclination-angle LOW PERMEABILITY RESERVOIR |
-
2018
- 2018-04-08 CN CN201810305564.4A patent/CN108520143B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1119686A1 (en) * | 1998-09-22 | 2001-08-01 | Atlantic Richfield Company | Method and system for separating and injecting gas and water in a wellbore |
| CN104392091A (en) * | 2014-09-30 | 2015-03-04 | 中国石油大学(北京) | Oil reservoir engineering dynamic analysis method in gas driving development |
| CN104453804A (en) * | 2014-10-17 | 2015-03-25 | 中国海洋石油总公司 | Dynamic monitoring and evaluating method for gas-drive reservoir development |
| CN207093050U (en) * | 2017-08-01 | 2018-03-13 | 中国石油天然气股份有限公司 | A kind of gas drive well pattern structure of high water cut rate high inclination-angle LOW PERMEABILITY RESERVOIR |
Non-Patent Citations (4)
| Title |
|---|
| M ESCROCHI等: "The Gas–Oil Interfacial Behavior during Gas Injection into an Asphaltenic Oil Reservoir", 《JOURNAL OF CHEMICAL & ENGINEERING DATA》 * |
| 张迎春等: "天然气驱油藏开发动态评价及可采储量预测新方法", 《石油学报》 * |
| 李坷等: "一种新型气驱特征曲线的推导及其应用研究", 《重庆科技学院学报(自然科学版)》 * |
| 顾文欢等: "注气驱油藏新型气驱特征曲线推导及应用", 《西南石油大母母报(自然科母版)》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110543619A (en) * | 2019-09-10 | 2019-12-06 | 中国海洋石油集团有限公司 | Gas drive reservoir recoverable reserve prediction and development effect evaluation method |
| CN111810119A (en) * | 2020-07-21 | 2020-10-23 | 重庆科技学院 | Method for calculating productivity of gas well of high-pressure carbonate rock with water-gas reservoir |
| CN111810119B (en) * | 2020-07-21 | 2022-06-28 | 重庆科技学院 | Method for calculating productivity of gas well of high-pressure carbonate rock having water gas reservoir |
| US11320564B1 (en) * | 2021-05-07 | 2022-05-03 | Southwest Petroleum University | Method and system for determining single-well dynamic reserve and recoverable reserve of gas-drive reservoir |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108520143B (en) | 2022-04-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105626006B (en) | Low-permeability oil deposit CO2Drive technical limit well space and determine method | |
| CN105626036B (en) | A kind of reasonable Liquid output reservoir engineering calculation method of determining oil reservoir | |
| CN106651610B (en) | Dynamic analysis method for water injection development of shallow ultra-low permeability sandstone reservoir | |
| CN111709847B (en) | Method for predicting recoverable reserves of top gas side water reservoir and evaluating development effect | |
| Birchenko et al. | Reduction of the horizontal well's heel–toe effect with inflow control devices | |
| CN106097120B (en) | A kind of water-drive pool natural water encroachment, water filling and exploitation equilibrium state determination method | |
| CN108756868A (en) | A kind of appraisal procedure of gas injection development oil reservoir development middle and later periods recoverable reserves | |
| CN107578342A (en) | It is a kind of based on the Model coupling method of exhaustion realize low-permeability oil deposit between open working system method for optimizing | |
| CN103244087B (en) | A kind of low-permeability oil deposit profile control and water plugging selects well decision-making technique | |
| CN108520143A (en) | A kind of gas injection development oil reservoir gas-oil ratio climbing characterizing method | |
| CN104632157A (en) | Low permeability reservoir equilibrium displacement method | |
| CN111810101B (en) | Dynamic analysis method and device for water-drive reservoir | |
| CN109882141A (en) | Polymer flooding production optimization method and system based on inter well connectivity | |
| CN104060985A (en) | Method and system for testing entering depth of stratified oil deposit profile control water plugging agent | |
| CN110242263A (en) | Two or three combine the recovery factor calculation method under development mode | |
| CN107437127A (en) | A kind of oil well stop-spraying Formation pressure prediction method | |
| CN104915530A (en) | Method for establishing communication relationship between oil deposit wells | |
| CN113107475B (en) | Single-well dynamic reserve and recoverable reserve determination method and system for gas drive reservoir | |
| CN106447513B (en) | The evaluation method of reservoir flooding water utilization obstacle | |
| CN109918769A (en) | Utilize the method for instantaneous equation calculation fracture-pore reservoir unstable state water enchroachment (invasion) water influx | |
| CN106022626A (en) | Water flooding reservoir positioning plugging water flooding virtual front edge calculation method | |
| CN106150454A (en) | Offshore oilfield vector quantization production and injection proration method | |
| CN112502677B (en) | Water injection development effect evaluation method based on multiple linear regression | |
| CN113326465B (en) | Dynamic analysis method and device for oil reservoir development | |
| CN106526694A (en) | Compact oil reservoir recognition method and device |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |