CN105589987B - Reservoir selection evaluation method is developed in the two-way drive of fault block oil reservoir artificial gas cap-side water - Google Patents
Reservoir selection evaluation method is developed in the two-way drive of fault block oil reservoir artificial gas cap-side water Download PDFInfo
- Publication number
- CN105589987B CN105589987B CN201410638163.2A CN201410638163A CN105589987B CN 105589987 B CN105589987 B CN 105589987B CN 201410638163 A CN201410638163 A CN 201410638163A CN 105589987 B CN105589987 B CN 105589987B
- Authority
- CN
- China
- Prior art keywords
- oil
- reservoir
- way drive
- fault block
- oil reservoir
- 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.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/40—Controlling or monitoring, e.g. of flood or hurricane; Forecasting, e.g. risk assessment or mapping
Abstract
The present invention provides a kind of two-way drive exploitation reservoir selection evaluation method of fault block oil reservoir artificial gas cap-side water, this method comprises: step 1, carries out the fine Strata Comparison of candidate fault block oil reservoir and structure interpretation, establish geological model of oil accumulation, implement oil deposit parameter；Step 2, numerical reservoir model is established, carries out exploitation history matching, corrects geological model of oil accumulation and oil deposit parameter；Step 3, it analyzes two-way drive and improves oil recovery potentiality, demonstration carries out the necessity of two-way drive exploitation；And step 4 judges that candidate's fault block oil reservoir is developed if appropriate for two-way drive according to modified oil deposit parameter.The two-way drive exploitation reservoir selection evaluation method of the fault block oil reservoir artificial gas cap-side water solves the problems, such as that the two-way drive development block screening of ultra-high water cut stage fault block oil reservoir is indefinite, nonstandard with Assessment Method on Potential, effectively increases fault block oil reservoir development late stage and carries out two-way drive raising recovery efficiency technique application effect and developing adjustment scheme compiling level.
Description
Technical field
The present invention relates to fault block oil reservoir development technique fields, are related specifically to ultra-high water cut stage fault block oil reservoir and utilize top note
Gas forms artificial gas cap combination lower curtate position and fills the water to form the two-way drive exploitation oil reservoir conformability screening and evaluating system of edge water drive.
Background technique
Eastern China oil area Complex Fault Block Oil Reservoir generally has higher formation clination, and viscosity of crude is low and with a deckle water
Feature.Generallyd use in such oil reservoir development and push up that close side is dilute, the low high waterflooding development mode adopted of note, developed after many years, into
Enter the ultra-high water-containing stage.For one line of structural high part ridge at this stage, tomography angle remaining oil Local enrichment area small scale, bore
New well is without economic benefit；Waist and the entirety water logging of lower curtate position, but still it is generally distributed a degree of movable remaining oil, but further
Raising involves the big problem of difficulty, proposes and forms secondary pneumatic jack gravity row drive draining by crestal gas injection, with aquifer injection knot
It closes, artificial gas cap-side water bi-directional drive improves the technical thought of Local enrichment and universal remainder of distribution oil recovery simultaneously.Investigation
Preferable development effectiveness is achieved by gas injection Assisted Gravity Drainage for primary pneumatic jack and edge-wa- ter reservoir in Oilfields exploitation,
Oil field, the multiple field uses in the oil field Huo Jinsi in such as western Haake uncle, obtain success.But with external reservoir condition phase
Than domestic fault block oil reservoir is in reserves scale, core intersection, initial oil height etc. Shortcomings, and difference between unit
It is larger, it mostly without primary pneumatic jack, and is mid-later development phase, aqueous height, the two-way drive exploitation of these factors influence artificial gas cap-side water
Effect, therefore, two-way drive technology are not appropriate for all faulted block units, it is necessary to formulate the two-way drive exploitation oil reservoir of fault block oil reservoir
Screening conditions, we, which study, thus has invented a kind of fault block oil reservoir artificial gas cap-side water two-way drive exploitation reservoir selection evaluation side
Method instructs the two-way drive development block screening of fault block oil reservoir and technical application, solves the above technical problem.
Summary of the invention
Fault block oil reservoir development late stage, which is effectively increased, the object of the present invention is to provide one kind carries out two-way drive raising recovery ratio
Technical application effect and the two-way drive exploitation reservoir selection of fault block oil reservoir artificial gas cap-side water of developing adjustment scheme compiling level are commented
Valence method.
The purpose of the present invention can be achieved by the following technical measures: the two-way drive exploitation of fault block oil reservoir artificial gas cap-side water
Reservoir selection evaluation method, the two-way drive exploitation reservoir selection evaluation method of the fault block oil reservoir artificial gas cap-side water includes: step 1,
Carry out the fine Strata Comparison of candidate fault block oil reservoir and structure interpretation, implements oil deposit parameter, establish geological model of oil accumulation；Step 2, it builds
Vertical numerical reservoir model corrects geological model of oil accumulation and oil deposit parameter on the basis of carrying out exploitation history matching；Step 3, analysis is double
Oil recovery potentiality are improved to driving, demonstration carries out the necessity of two-way drive exploitation；And step 4, joined according to modified oil reservoir
Number, judges that candidate's fault block oil reservoir is developed if appropriate for two-way drive.
The purpose of the present invention can be also achieved by the following technical measures:
In step 1, the exploitation later period than more rich geology, well logging, well logging, seismic data, dynamic these data,
Carry out fine Strata Comparison and structure interpretation, implements these oil deposit parameters of reservoir geologic character, reservoir properties and fluid properties, build
Vertical geological model of oil accumulation.
In step 2, reservoir numerical simulation is carried out, numerical reservoir model is established, carries out exploitation history matching, corrects geology
Model and oil deposit parameter, including horizontal and vertical permeability, each substratum oil-water interfaces, water energy, oil viscosity these
Parameter, meanwhile, the current major oil reservoir are-al remaining oil regularity of distribution of selective analysis evaluates boundary fault seal-off effect.
In step 3, according to oil reservoir oil and water zonation feature, current well pattern hole condition and theoretical recovery ratio size analysis
Two-way drive improves oil recovery potentiality, and demonstration carries out the necessity of two-way drive exploitation.
In step 3, waterflood recovery efficiency factor is significantly lower than theoretical recovery ratio under the conditions of current well pattern is relatively improved, and there are mesh
In the case where the structural high part tomography corner remaining oil Local enrichment that preceding well pattern difficulty is employed, has two-way drive and further increase and adopt
The potentiality of yield.
In step 4, oil columns, oil-containing strip width, underground crude oil viscosity, core intersection, level and vertical are chosen
Permeability and side water bar part these oil deposit parameters, according to practicable oil deposit parameter, referring to being suitble to carry out two-way waterflooding development oil reservoir
Screening and assessment condition, and overall merit judges that candidate's fault block oil reservoir is developed if appropriate for two-way drive, it is determined whether is suitble to complete
Area or part series of strata and local well group are suitble to carry out two-way drive exploitation.
In step 4, screening and assessment condition include: 1. boundary fault seal-off effect it is good, reservoir development stablize；2. initial oil
Strip width > 300m, oil column height are greater than 50m；3. oil viscosity < 10mPa.s；4. core intersection 3-10m；5. water
It is flat, vertical permeability is bigger, gas injection well point oil saturation is higher and the certain Edge water energy of tool is advantageous.
Reservoir selection evaluation method is developed in the two-way drive of fault block oil reservoir artificial gas cap-side water in the present invention, is contained for extra-high
Water phase fault block oil reservoir, using reservoir numerical simulation analysis method, influences fault block in evaluation by establishing fault block oil reservoir characteristic model
On the two-way drive sensitive prime parameter basis of oil reservoir, two-way drive exploitation oil deposit parameter screening conditions, including sensitive prime ginseng have been formulated
Number initial oil height (> 50m), oil-containing strip width (> 300m), underground crude oil viscosity (< 10mPa.s) and more sensitive
It is single to solve the two-way drive exploitation of ultra-high water cut stage fault block oil reservoir for the parameter requests such as parameter permeability, core intersection, edge-bottom water condition
Member screening and Assessment Method on Potential be indefinite, nonstandard problem, effectively increases fault block oil reservoir development late stage and carries out two-way drive
Improve recovery efficiency technique application effect and developing adjustment scheme compiling level.In the present invention in ultra-high water cut stage fault block oil reservoir
Recovery efficiency technique oil reservoir conformability screening and evaluating system is improved using the two-way drive of artificial gas cap-side water, has been put forward for the first time for disconnected
Block oil reservoir carries out the reservoir selection condition and screening technique of two-way drive exploitation, realizes in fault block oil reservoir using artificial gas cap-side
The standardization of the two-way oil reservoirs screening and assessment working method of water, standardization have application especially for fault-block oilfield has been developed
Conveniently advantage provides decision-making foundation with raising recovery efficiency technique application for efficiently taping the latent power for fault block oil reservoir high water-cut stage,
Its popularization and application foreground is wide, remarkable economic and social benefits.
Detailed description of the invention
Fig. 1 is that the one specific of reservoir selection evaluation method is developed in the two-way drive of fault block oil reservoir artificial gas cap-side water of the invention
The flow chart of embodiment；
Fig. 2 is oil-containing substratum oil and water zonation plan view in a specific example of the invention；
Fig. 3 is oil column height choice of parameters evaluation figure in a specific example of the invention；
Fig. 4 is oil viscosity choice of parameters evaluation figure in a specific example of the invention；
Fig. 5 is core intersection choice of parameters evaluation figure in a specific example of the invention.
Specific embodiment
To enable above and other objects, features and advantages of the invention to be clearer and more comprehensible, preferably implementation is cited below particularly out
Example, and cooperate institute's accompanying drawings, it is described in detail below.
As shown in FIG. 1, FIG. 1 is the two-way drives of fault block oil reservoir of the invention artificial gas cap-side water to develop reservoir selection evaluation side
The flow chart of method.
In a step 101, the exploitation later period is than data such as more rich geology, well logging, well logging, seismic data, dynamics,
Carry out fine Strata Comparison and structure interpretation, implements these oil deposit parameters of reservoir geologic character, reservoir properties and fluid properties, build
Vertical geological model of oil accumulation.If Fig. 2 is oil-containing substratum oil and water zonation plan view in a specific example of the invention.Research shows that example
Unit is a typical reversed ridge fault block oil reservoir by fault barrier, and reservoir buried depth 2000m, 8-10 ° of stratigraphic dip, oil reservoir is effective
Thickness 2.9-5.4m, air permeability 870 × 10-3μm2, oil viscosity 2.8mPa.s, oil area 0.1km2, geology storage
Amount 15.2 × 104T, oil-containing strip width 600-850m.Process enters step 102.
In a step 102, using reservoir numerical simulation software, numerical reservoir model is established, exploitation history matching is carried out, repairs
Positive geological model and oil deposit parameter, main includes horizontal and vertical permeability, each substratum oil-water interfaces, water energy, stratum original
The parameters such as oil viscosity, meanwhile, the current major oil reservoir plane residual oil distribution of selective analysis is research shows that example element produces at present
Degree 11.8%, water flooding degree is lower, according to new well is explained in recent years and numerical simulation result shows that waist water flooding degree is still lower,
High-order bit tomography angle, one line development degree of ridge are low, remaining oil enrichment.Process enters step 103.
In step 103, according to oil reservoir oil and water zonation feature, current well pattern hole condition and theoretical recovery ratio size point
Analysis carries out two-way drive and improves oil recovery space, and demonstration carries out the necessity of two-way drive exploitation.When current well pattern relatively improves item
Waterflood recovery efficiency factor is significantly lower than theoretical recovery ratio under part, and there are the structural high part tomography corner that current well pattern difficulty is employed is remaining
In the case where oily Local enrichment, have the potentiality that two-way drive further increases recovery ratio.Analysis shows example element initial oil
Band is greater than 600m, and high-order bit, waist and side pool have old well to control, and hole condition is preferable, meets the gas injection of two-way drive high-order bit,
Outside side or well net deployment requirement that periferal water flooding and waist recover the oil, at the same prediction theory waterflood recovery efficiency factor 34.7%, two-way drive
It is big to further increase recovery ratio space up to 40% or more for recovery ratio.Process enters step 104.
At step 104, oil columns, oil-containing strip width, underground crude oil viscosity, core intersection, level are chosen and is hung down
To the oil deposit parameters such as permeability and side water bar part, according to practicable oil deposit parameter, carry out two-way waterflooding development oil reservoir referring to suitable
Screening and assessment condition, and overall merit judges that candidate's fault block oil reservoir is developed if appropriate for two-way drive, it is determined whether is suitble to complete
Area or part series of strata and local well group are suitble to carry out two-way drive exploitation.Main screening and assessment condition includes: 1. boundary fault envelope
Stifled property is good, and reservoir development is stablized；2. initial oil strip width > 300m, oil column height is greater than 50m；3. oil viscosity <
10mPa.s；4. core intersection 3-10m；5. level, vertical permeability are bigger, gas injection well point oil saturation is higher and tool is certain
Edge water energy is advantageous.If Fig. 3 is that oil column height choice of parameters evaluation figure, Fig. 4 are that the present invention one has in a specific example of the invention
Oil viscosity choice of parameters evaluation figure, Fig. 5 are that core intersection choice of parameters is commented in a specific example of the invention in body example
Valence figure.Overall merit, the development block reservoir condition meet two-way drive and screen crucial oil deposit parameter and refer to oil reservoir parameter request,
It is suitble to the two-way drive of application to develop further oil reservoir and improves recovery ratio.Further predicted according to reservoir engineering method, compared with water drive,
It can further improve 6.5% or more recovery ratio, there is good economic benefit.
Claims (6)
1. reservoir selection evaluation method is developed in the two-way drive of fault block oil reservoir artificial gas cap-side water, which is characterized in that fault block oil reservoir people
Reservoir selection evaluation method is developed in the two-way drive of work pneumatic jack-side water
Step 1, carry out the fine Strata Comparison of candidate fault block oil reservoir and structure interpretation, implement oil deposit parameter, establish reservoir geology mould
Type；
Step 2, numerical reservoir model is established, on the basis of carrying out exploitation history matching, corrects geological model of oil accumulation and oil deposit parameter；
Step 3, it analyzes two-way drive and improves oil recovery potentiality, demonstration carries out the necessity of two-way drive exploitation；And
Step 4, according to modified oil deposit parameter, judge that candidate's fault block oil reservoir is developed if appropriate for two-way drive；
In step 4, oil columns, oil-containing strip width, underground crude oil viscosity, core intersection, level and vertical infiltration are chosen
Rate and side water bar part these oil deposit parameters, according to practicable oil deposit parameter, referring to being suitble to carry out the sieve of two-way waterflooding development oil reservoir
Evaluation condition, and overall merit are selected, judges that candidate's fault block oil reservoir is developed if appropriate for two-way drive, it is determined whether the suitable whole district,
Or part series of strata and local well group are suitble to carry out two-way drive exploitation.
2. reservoir selection evaluation method is developed in the two-way drive of fault block oil reservoir artificial gas cap-side water according to claim 1, special
Sign is, in step 1, the exploitation later period than more rich geology, well logging, well logging, seismic data, dynamic these data,
Carry out fine Strata Comparison and structure interpretation, implements these oil deposit parameters of reservoir geologic character, reservoir properties and fluid properties, build
Vertical geological model of oil accumulation.
3. reservoir selection evaluation method is developed in the two-way drive of fault block oil reservoir artificial gas cap-side water according to claim 1, special
Sign is, in step 2, carries out reservoir numerical simulation, establishes numerical reservoir model, carry out exploitation history matching, corrects geology
Model and oil deposit parameter, including horizontal and vertical permeability, each substratum oil-water interfaces, water energy, oil viscosity these
Parameter, meanwhile, the current major oil reservoir are-al remaining oil regularity of distribution of selective analysis evaluates boundary fault seal-off effect.
4. reservoir selection evaluation method is developed in the two-way drive of fault block oil reservoir artificial gas cap-side water according to claim 1, special
Sign is, in step 3, according to oil reservoir oil and water zonation feature, current well pattern hole condition and theoretical recovery ratio size analysis
Two-way drive improves oil recovery potentiality, and demonstration carries out the necessity of two-way drive exploitation.
5. reservoir selection evaluation method is developed in the two-way drive of fault block oil reservoir artificial gas cap-side water according to claim 4, special
Sign is that in step 3, waterflood recovery efficiency factor is significantly lower than theoretical recovery ratio under the conditions of current well pattern is relatively improved, and there are mesh
In the case where the structural high part tomography corner remaining oil Local enrichment that preceding well pattern difficulty is employed, has two-way drive and further increase and adopt
The potentiality of yield.
6. reservoir selection evaluation method is developed in the two-way drive of fault block oil reservoir artificial gas cap-side water according to claim 5, special
Sign is, in step 4, screening and assessment condition include: 1. boundary fault seal-off effect it is good, reservoir development is stablized；2. initial oil
Strip width > 300m, oil column height are greater than 50m；3. oil viscosity < 10mPa.s；4. core intersection 3-10m；5. water
It is flat, vertical permeability is bigger, gas injection well point oil saturation is higher and the certain Edge water energy of tool is advantageous.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410638163.2A CN105589987B (en) | 2014-11-07 | 2014-11-07 | Reservoir selection evaluation method is developed in the two-way drive of fault block oil reservoir artificial gas cap-side water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410638163.2A CN105589987B (en) | 2014-11-07 | 2014-11-07 | Reservoir selection evaluation method is developed in the two-way drive of fault block oil reservoir artificial gas cap-side water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105589987A CN105589987A (en) | 2016-05-18 |
| CN105589987B true CN105589987B (en) | 2019-04-09 |
Family
ID=55929565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410638163.2A Active CN105589987B (en) | 2014-11-07 | 2014-11-07 | Reservoir selection evaluation method is developed in the two-way drive of fault block oil reservoir artificial gas cap-side water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105589987B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106223939A (en) * | 2016-07-19 | 2016-12-14 | 中国石油天然气股份有限公司 | A kind of numerical reservoir determines method and apparatus |
| CN107366537A (en) * | 2016-09-23 | 2017-11-21 | 中国石油化工股份有限公司 | The method of non-producing reserves block classification reservoir evaluation |
| CN110414085B (en) * | 2019-07-09 | 2022-10-14 | 中国石油化工股份有限公司 | Method for determining original oil-water interface of developed fault block oil reservoir |
| CN111520142B (en) * | 2020-04-27 | 2021-10-01 | 昆明理工大学 | Mining method for continuous mining |
| CN112001132A (en) * | 2020-08-06 | 2020-11-27 | 中国石油化工股份有限公司 | Rigid water-drive reservoir residual oil distribution condition determining method and oil extraction method |
| CN115422789B (en) * | 2022-11-07 | 2023-03-24 | 中国石油大学(华东) | Prediction method and system for optimizing water drive recovery ratio of fault block oil reservoir in consideration of whole process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7047170B2 (en) * | 2000-04-14 | 2006-05-16 | Lockheed Martin Corp. | Method of determining boundary interface changes in a natural resource deposit |
| CN102287172A (en) * | 2011-09-05 | 2011-12-21 | 中国石油天然气股份有限公司 | Oil extraction method for heavy oil reservoir |
| CN104100245A (en) * | 2013-04-08 | 2014-10-15 | 中国石油化工股份有限公司 | Method for screening and evaluating artificial edge water drive fault block oil reservoir |
-
2014
- 2014-11-07 CN CN201410638163.2A patent/CN105589987B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7047170B2 (en) * | 2000-04-14 | 2006-05-16 | Lockheed Martin Corp. | Method of determining boundary interface changes in a natural resource deposit |
| CN102287172A (en) * | 2011-09-05 | 2011-12-21 | 中国石油天然气股份有限公司 | Oil extraction method for heavy oil reservoir |
| CN104100245A (en) * | 2013-04-08 | 2014-10-15 | 中国石油化工股份有限公司 | Method for screening and evaluating artificial edge water drive fault block oil reservoir |
Non-Patent Citations (2)
| Title |
|---|
| Investigation of the Relative Gas Volume in the Discharge Gap when Using Water in Oil Emulsion as Dielectric;Zhang Y Z 等;《Applied Mechanics & Materials》;20121231;第1715-1718页 |
| 复杂断块油藏人工边水驱提高采收率机理分析;张戈;《断块油气田》;20140731;第21卷(第4期);第476-479页 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105589987A (en) | 2016-05-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105589987B (en) | Reservoir selection evaluation method is developed in the two-way drive of fault block oil reservoir artificial gas cap-side water | |
| Yue et al. | The application of N2 huff and puff for IOR in fracture-vuggy carbonate reservoir | |
| CN105822269A (en) | Distribution mode and development regulation method for oil left after binary flooding of multilayer reservoir | |
| CN110306965A (en) | A kind of method for increasing for coal bed gas low yield wellblock | |
| CN104727790A (en) | Method for predicting period of re-enriching remaining oil of water flooding reservoir into new reservoir | |
| RU2587661C1 (en) | Method for development of explored oil deposit | |
| CN104234682B (en) | A kind ofly be applicable to separate stratum fracturing of continuous oil pipe method that is many, girdle | |
| CN103628848B (en) | Multidirectional interlayer displacement in flooding oil production method and system | |
| CN105317427A (en) | Representation method for describing old fault top surface structure diagram | |
| RU2524703C1 (en) | Development of minor oil deposits | |
| RU2513962C1 (en) | Oil deposit development method | |
| CN109869129A (en) | A kind of two-way oil reservoirs optimal well location deployment techniques method | |
| Trentham et al. | A “Cookbook” Approach to Exploring for, and Evaluating, Residual Oil Zones in the San Andres Formation of the Permian Basin | |
| Pradhan et al. | Shale gas play: possibility and challenges in India as an unconventional energy resource | |
| Dang et al. | A successful story of integration geological characterization, reservoir simulation, assisted history matching and EOR in a giant fractured granite basement: a road map to maximize recovery in unconventional reservoirs | |
| Cao et al. | Re-Fracturing and Water Flooding Western Canada Tight Oil Reservoir Horizontal Wells | |
| Kumar et al. | Application of Inflow Control Devices in Horizontal Well in Bottom Water Drive Reservoir using Reservoir Simulation | |
| Zhang et al. | Exploration and Practice of Integrated Re-fracturing Technology for Horizontal Wells in Ultra-low Permeability Reservoirs in Huaqing Oilfield | |
| CN109447342A (en) | Sandstone reservoir brings in initial stage hydrated comples ion method | |
| CN112112617B (en) | Method for developing thick-layer sand conglomerate oil reservoir by ectopic energy storage fracturing | |
| RU2513469C1 (en) | Oil deposit development method | |
| Yin et al. | Residual oil zone potential of Tensleep Sandstone in the Bighorn Basin, Wyoming | |
| Ibrahim et al. | A Novel Approach Linking Structural Restoration and Multiphase Fluid-Flow Modeling Using 3D Geomechanics in a North Kuwait Giant Carbonate Reservoir | |
| US20210348497A1 (en) | Systems and Methods for Creating Hydrocarbon Wells | |
| Zou et al. | Numerical simulation on the dynamic variation of reservoir pressure of typical coalbed methane single well and well net group—A case study on QN01 well in the southern Qinshui Basin, China |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |