CN106368647A - Method for determining use level of profile control agent for horizontal well - Google Patents
Method for determining use level of profile control agent for horizontal well Download PDFInfo
- Publication number
- CN106368647A CN106368647A CN201610857400.3A CN201610857400A CN106368647A CN 106368647 A CN106368647 A CN 106368647A CN 201610857400 A CN201610857400 A CN 201610857400A CN 106368647 A CN106368647 A CN 106368647A
- Authority
- CN
- China
- Prior art keywords
- profile control
- coefficient
- well
- control area
- area coefficient
- 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.)
- Pending
Links
Classifications
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices, or the like
Abstract
The invention discloses a method for determining the use level of a profile control agent for a horizontal well. The method comprises the steps of obtaining oil well parameters and oil layer parameters; obtaining a direction coefficient and a profile control area coefficient of an oil layer; and calculating the use level of the profile control agent of the horizontal well through a preset algorithm according to the oil well parameters, the oil layer parameters, the direction coefficient and the profile control area coefficient. The oil well parameters include the profile control radius and the length of a horizontal section of the oil injection well. The oil layer parameters include the thickness of the oil layer, the porosity of the oil layer and the proportion percentage of the thickness of a high permeability layer to the thickness of the oil layer.
Description
Technical field
The present invention relates to belonging to oil extraction in oil field technology field, more particularly, to a kind of side determining horizontal well Amount of profile control agent
Method.
Background technology
For water injection well, due to the anisotropism on stratum and the inhomogeneities of stratum water absorbing capacity, each layer of stratum
Water absorption is all unbalanced, or even the water absorption of each layer of each section is all different.
In order to adjust the intake profile of water injection well, improve the sweep efficiency of injection water, improving ecology effect, in stratum
High permeability zone injects chemical agent, after medicament solidification or expansion, reduces the permeability of oil reservoir, forces injection water to increase to low aqueous
The displacement of reservoir oil effect at position, thus form profile control technology.
During horizontal flood well profile control, the calculating for Amount of profile control agent at present does not form specification.Existing
The computational methods of Amount of profile control agent mainly have cylindrical method.Wherein, cylindrical algorithm is to be considered as horizontal well in calculating process
Straight well is processed.And calculated using below equation:
In above formula, v is Amount of profile control agent, cubic meter；R is radius of profile control, rice；H is formation thickness, rice；Hole for stratum
Porosity；α accounts for the percent of formation thickness for high permeability zone thickness.
In existing Amount of profile control agent calculating process as shown in Figure 1 and Figure 2, in parameter value, transfer drive radius r is due to being subject to
To the impact of core intersection, value is too small, and core intersection h is equivalent to the length of horizontal segment Thief zone section, then according to above-mentioned public affairs
Formula calculates Amount of profile control agent.
But, existing computational methods are limited due to core intersection, and transfer drive radius value is little, lead to the transfer drive consumption calculating
Very little requires it is impossible to meet transfer drive.
Content of the invention
In view of the deficiencies in the prior art, the application is necessary to provide a kind of method determining horizontal well Amount of profile control agent, with
Actual transfer drive consumption can be met, meet live transfer drive and require.
For reaching above-mentioned purpose, the application provides a kind of method determining horizontal well Amount of profile control agent, comprising:
Obtain oilwell parameter and reservoir parameter；
Obtain direction coefficient and the profile control area coefficient of oil reservoir；
Calculated by pre-defined algorithm according to described oilwell parameter and reservoir parameter, described direction coefficient and profile control area coefficient
Horizontal well Amount of profile control agent.
As one kind preferred embodiment, described oilwell parameter includes the horizontal section length of radius of profile control and water injection well；
Thickness, porosity and high permeability zone thickness that described reservoir parameter includes oil reservoir account for the percent of core intersection.
As one kind preferred embodiment, the step obtaining the direction coefficient of oil reservoir is:
Determine the predominant pathway in well pattern by tracer test；
Described direction coefficient is obtained divided by the quantity of producing well in well pattern by the quantity of predominant pathway.
As one kind preferred embodiment, the step obtaining the profile control area coefficient of oil reservoir is:
Profile control direction is determined by tracer test；
The profile control area coefficient corresponding with described profile control direction is determined according to described profile control direction.
As one kind preferred embodiment, when described profile control direction has a direction, described profile control area coefficient is
0.99；
When described profile control direction has two relative directions, described profile control area coefficient is 0.95；
When described profile control direction has two adjacent directions, described profile control area coefficient is 0.92；
When described profile control direction has three directions, described profile control area coefficient is 0.89；
When described profile control direction has four direction, described profile control area coefficient is 0.86.
As one kind preferred embodiment, described radius of profile control is the 1/2～1/3 of oil-water well well spacing.
As one kind preferred embodiment, described reservoir parameter is obtained by log data.
As one kind preferred embodiment, described pre-defined algorithm includes equation below:
In above formula, v is the injection rate of profile control agent, cubic meter；R is radius of profile control, rice；L is water injection well horizontal section length,
Rice；H is the thickness of oil reservoir, rice；For the porosity of oil reservoir, dimensionless；α accounts for the percent of core intersection for high permeability zone thickness,
Dimensionless；δ is direction coefficient, dimensionless；β is profile control area coefficient, dimensionless.
By above description as can be seen that the method for determination horizontal well Amount of profile control agent that present embodiment is provided is passed through
Consider direction coefficient and the profile control area coefficient of oil reservoir, and Amount of profile control agent is determined using pre-defined algorithm, thus the profile control obtaining
Agent consumption can meet actual transfer drive consumption, meet live transfer drive and require.
With reference to explanation hereinafter and accompanying drawing, disclose in detail only certain exemplary embodiments of this invention, specify the former of the present invention
Reason can be in adopted mode.It should be understood that embodiments of the present invention are not so limited in scope.In appended power
In the range of the spirit and terms that profit requires, embodiments of the present invention include many changes, modifications and are equal to.
The feature describing for a kind of embodiment and/or illustrating can be in same or similar mode one or more
Use in individual other embodiment, combined with the feature in other embodiment, or substitute the feature in other embodiment.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or assembly herein when using, but simultaneously
It is not excluded for the presence of one or more further features, one integral piece, step or assembly or additional.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those skilled in the art, without having to pay creative labor, can also root
Obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the horizontal well schematic diagram using existing Amount of profile control agent computational methods；
Fig. 2 is the equivalent straight well schematic diagram of horizontal well in Fig. 1；
Fig. 3 is a kind of step stream of a kind of method of determination horizontal well Amount of profile control agent of embodiment offer of the application
Cheng Tu；
Fig. 4 is the horizontal well generalized section using method shown in Fig. 3.
Specific embodiment
In order that those skilled in the art more fully understand the technical scheme in the application, real below in conjunction with the application
Apply the accompanying drawing in example, the enforcement it is clear that described is clearly and completely described to the technical scheme in the embodiment of the present application
Example is only some embodiments of the present application, rather than whole embodiments.Based on the embodiment in the application, this area is common
The every other embodiment that technical staff is obtained on the premise of not making creative work, all should belong to the present invention and protect
The scope of shield.
It should be noted that when element is referred to as " being arranged at " another element, it can be directly on another element
Or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left ",
For illustrative purposes only, being not offered as is unique embodiment for " right " and similar statement.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field belonging to the present invention
The implication that technical staff is generally understood that is identical.The term being used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body is it is not intended that in limiting the present invention.Term as used herein "and/or" includes one or more
The arbitrary and all of combination of related Listed Items.
As shown in figure 3, a kind of a kind of method bag of determination horizontal well Amount of profile control agent of embodiment offer of the application
Include following steps:
S1, acquisition oilwell parameter and reservoir parameter；
S2, the direction coefficient obtaining oil reservoir and profile control area coefficient；
S3, pre-defined algorithm is passed through according to described oilwell parameter and reservoir parameter, described direction coefficient and profile control area coefficient
Calculated level well Amount of profile control agent.
Wherein, step s1, the execution of step s2 have no sequencing, can execute it is also possible to successively execute simultaneously, when
So, and be not limited to step s1 and operate prior to step s2, step s2 also can operate prior to step s1, and the application does not make any limit
System.
In the present embodiment, described oilwell parameter includes the horizontal section length of radius of profile control and water injection well；Described oil reservoir
Thickness, porosity and high permeability zone thickness that parameter includes oil reservoir account for the percent of core intersection.Wherein, radius of profile control is
The scope that profile control agent is involved.As preferred, described radius of profile control is preferably the 1/2～1/3 of oil-water well well spacing.
As shown in figure 4, present embodiment is that core intersection h is considered as cuboid is high, 2 times of 2r of transfer drive radius are considered as rectangular
The width of body, horizontal section length l is considered as the length of cuboid.Simultaneously it is considered to formation porosity, high permeability zone thickness account for formation thickness
Percent, direction coefficient, the influence factor of profile control area coefficient.
Therefore, in the present embodiment, described pre-defined algorithm includes equation below:
In above formula, v is the injection rate of profile control agent, cubic meter；R is radius of profile control, rice；L is water injection well horizontal section length,
Rice；H is the thickness of oil reservoir, rice；For the porosity of oil reservoir, dimensionless；α accounts for the percent of core intersection for high permeability zone thickness,
Dimensionless；δ is direction coefficient, dimensionless；β is profile control area coefficient, dimensionless.
By above description as can be seen that the method for determination horizontal well Amount of profile control agent that present embodiment is provided is passed through
Consider direction coefficient and the profile control area coefficient of oil reservoir, and Amount of profile control agent is determined using pre-defined algorithm, thus the profile control obtaining
Agent consumption can meet actual transfer drive consumption, meet live transfer drive and require.
In the present embodiment, described reservoir parameter is obtained by log data.Specifically, formation porosity, Thief zone
The percent that thickness degree accounts for formation thickness can be measured by well logging, such as, by gathering multiple rock cores, by measuring rock core
Porosity is reflecting formation porosity.
In the present embodiment, the step obtaining the direction coefficient of oil reservoir is: can first pass through tracer test and determine well
Predominant pathway in net；Again described direction coefficient is obtained divided by the quantity of producing well in well pattern by the quantity of predominant pathway.
As can be seen that described direction coefficient accounts for the ratio of producing well (producing well) number, wherein, advantage for predominant pathway direction
Also known as advantage dust trajectory, it is passage or the path in conducting system most beneficial for oil-gas migration to passage.In present embodiment
In, direction coefficient is the correction coefficient of profile control agent uneven entrance in all directions.
In the present embodiment, the step obtaining the profile control area coefficient of oil reservoir is: first passes through tracer test and determines tune
Cut open direction；Determine the profile control area coefficient corresponding with described profile control direction further according to described profile control direction.Specifically, profile control face
Long-pending coefficient is by empirically determined for following table, comparison following table during calculating Amount of profile control agent.
Profile control direction table corresponding with profile control area coefficient
By above table as can be seen that when described profile control direction has a direction, described profile control area coefficient is
0.99；When described profile control direction has two relative directions, described profile control area coefficient is 0.95；Described profile control direction has
During two adjacent directions, described profile control area coefficient is 0.92；When described profile control direction has three directions, described profile control face
Long-pending coefficient is 0.89；When described profile control direction has four direction, described profile control area coefficient is 0.86.
Herein cited any digital value all include between lower limit to higher limit with the lower value of an incremented and
, there is the interval of at least two units between any lower value and any much higher value in all values of upper value.For example, such as
Fruit elaborates that the quantity of a part or the value of process variable (such as temperature, pressure, time etc.) are from 1 to 90, preferably from 20
To 80, more preferably from 30 to 70, then purpose illustrates that also clearly listing such as 15 to 85,22 in this description arrives
68th, 43 to 51,30 to 32 is equivalent.For the value less than 1, suitably think that a unit is 0.0001,0.001,0.01,0.1.
These are only intended to the example of clearly expression it is believed that being possible to of the numerical value enumerated between minimum and peak
Combination is all expressly set forth in this description in a similar manner.
Unless otherwise stated, all scopes all include all numerals between end points and end points.It is used together with scope
" about " or " approximate " be suitable for two end points of this scope.Thus, " about 20 to 30 " be intended to cover " about 20 to about
30 ", at least include the end points indicating.
The all articles disclosing and reference material, including patent application and publication, pass through to quote knot for various purposes
Together in this.The term " substantially by ... constitute " of description combination should include determined by element, composition, part or step and reality
The other elements of basic novel feature, composition, part or the step of this combination are not affected on matter.Using term "comprising" or
" inclusion " come to describe element here, composition, part or step combination it is also contemplated that basic by these elements, composition, part
Or the embodiment that step is constituted.Described any here by included using term " can " it is intended to explanation " can "
Attribute is all optional.
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 detached multiple element, composition, part or step.It is used for
Description element, the open "a" or "an" of composition, part or step are not said to exclude other elements, composition, part
Or step.
It should be understood that above description is to illustrate rather than to be limited.By reading above-mentioned retouching
State, the many embodiments outside the example being provided and many applications will be all aobvious and easy for a person skilled in the art
See.Therefore, the scope of this teaching should not determine with reference to foregoing description, but should with reference to claims and this
The four corner of the equivalent that a little claim are had is determining.For comprehensive purpose, all articles and reference are included specially
The disclosure of profit application and bulletin is all by reference to being incorporated herein.Theme disclosed herein is omitted in aforementioned claim
Any aspect is not intended to abandon this body matter, also should not be considered as inventor this theme is not thought of as disclosed
A part for subject matter.
Claims (8)
1. a kind of method determining horizontal well Amount of profile control agent is it is characterised in that include:
Obtain oilwell parameter and reservoir parameter；
Obtain direction coefficient and the profile control area coefficient of oil reservoir；
Pre-defined algorithm calculated level is passed through according to described oilwell parameter and reservoir parameter, described direction coefficient and profile control area coefficient
Well Amount of profile control agent.
2. the method for claim 1 it is characterised in that: described oilwell parameter includes the water of radius of profile control and water injection well
Flat segment length；Thickness, porosity and high permeability zone thickness that described reservoir parameter includes oil reservoir account for the percentage of core intersection
Number.
3. the method for claim 1 it is characterised in that: the step of direction coefficient obtaining oil reservoir is:
Determine the predominant pathway in well pattern by tracer test；
Described direction coefficient is obtained divided by the quantity of producing well in well pattern by the quantity of predominant pathway.
4. the method for claim 1 it is characterised in that: the step of profile control area coefficient obtaining oil reservoir is:
Profile control direction is determined by tracer test；
The profile control area coefficient corresponding with described profile control direction is determined according to described profile control direction.
5. method as claimed in claim 4 it is characterised in that:
When described profile control direction has a direction, described profile control area coefficient is 0.99；
When described profile control direction has two relative directions, described profile control area coefficient is 0.95；
When described profile control direction has two adjacent directions, described profile control area coefficient is 0.92；
When described profile control direction has three directions, described profile control area coefficient is 0.89；
When described profile control direction has four direction, described profile control area coefficient is 0.86.
6. the method for claim 1 it is characterised in that: described radius of profile control be oil-water well well spacing 1/2～1/3.
7. the method for claim 1 it is characterised in that: described reservoir parameter is obtained by log data.
8. the method for claim 1 it is characterised in that: described pre-defined algorithm includes equation below:
In above formula, v is the injection rate of profile control agent, cubic meter；R is radius of profile control, rice；L is water injection well horizontal section length, rice；H is
The thickness of oil reservoir, rice；For the porosity of oil reservoir, dimensionless；α accounts for the percent of core intersection for high permeability zone thickness, immeasurable
Guiding principle；δ is direction coefficient, dimensionless；β is profile control area coefficient, dimensionless.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610857400.3A CN106368647A (en) | 2016-09-27 | 2016-09-27 | Method for determining use level of profile control agent for horizontal well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610857400.3A CN106368647A (en) | 2016-09-27 | 2016-09-27 | Method for determining use level of profile control agent for horizontal well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106368647A true CN106368647A (en) | 2017-02-01 |
Family
ID=57897371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610857400.3A Pending CN106368647A (en) | 2016-09-27 | 2016-09-27 | Method for determining use level of profile control agent for horizontal well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106368647A (en) |
Cited By (7)
| 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 |
| CN110029973A (en) * | 2018-01-11 | 2019-07-19 | 中国石油化工股份有限公司 | A kind of method that multiple dimensioned frozen glue dispersion improves reservoir water drive effect |
| CN110374562A (en) * | 2019-06-24 | 2019-10-25 | 中国石油化工股份有限公司 | A kind of stifled tune method of oil reservoir |
| CN110410045A (en) * | 2019-06-24 | 2019-11-05 | 中国石油化工股份有限公司 | A kind of stifled tune method for ultra-high water cut stage oil reservoir |
| CN110439502A (en) * | 2019-06-24 | 2019-11-12 | 中国石油化工股份有限公司 | A kind of reservoir water drive band analysis method |
| CN110617042A (en) * | 2019-10-12 | 2019-12-27 | 中国石油化工股份有限公司 | Layered water injection regulation and control method for high water-consumption zone development oil reservoir |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1560429A (en) * | 2004-02-25 | 2005-01-05 | 石油大学(华东) | Disision method of plugging water for integral regulating profile of water flood oil field |
| WO2008100176A1 (en) * | 2007-02-12 | 2008-08-21 | Vladislav Ivanovich Korpusov | Method for developing hydrocarbon accumulations |
| US8596362B2 (en) * | 2011-05-19 | 2013-12-03 | Baker Hughes Incorporated | Hydraulic fracturing methods and well casing plugs |
| CN104612639A (en) * | 2015-01-28 | 2015-05-13 | 西安石油大学 | Process of deep profile control over low-permeability oil reservoir |
| CN104863554A (en) * | 2014-02-26 | 2015-08-26 | 中国石油天然气股份有限公司 | Super heavy oil well profile control agent and application |
-
2016
- 2016-09-27 CN CN201610857400.3A patent/CN106368647A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1560429A (en) * | 2004-02-25 | 2005-01-05 | 石油大学(华东) | Disision method of plugging water for integral regulating profile of water flood oil field |
| WO2008100176A1 (en) * | 2007-02-12 | 2008-08-21 | Vladislav Ivanovich Korpusov | Method for developing hydrocarbon accumulations |
| US8596362B2 (en) * | 2011-05-19 | 2013-12-03 | Baker Hughes Incorporated | Hydraulic fracturing methods and well casing plugs |
| CN104863554A (en) * | 2014-02-26 | 2015-08-26 | 中国石油天然气股份有限公司 | Super heavy oil well profile control agent and application |
| CN104612639A (en) * | 2015-01-28 | 2015-05-13 | 西安石油大学 | Process of deep profile control over low-permeability oil reservoir |
Non-Patent Citations (1)
| Title |
|---|
| 樊文杰 等: "注聚前深度调剖井堵剂用量确定方法", 《大庆石油地质与开发》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110029973A (en) * | 2018-01-11 | 2019-07-19 | 中国石油化工股份有限公司 | A kind of method that multiple dimensioned frozen glue dispersion improves reservoir water drive effect |
| 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 |
| CN110374562A (en) * | 2019-06-24 | 2019-10-25 | 中国石油化工股份有限公司 | A kind of stifled tune method of oil reservoir |
| CN110410045A (en) * | 2019-06-24 | 2019-11-05 | 中国石油化工股份有限公司 | A kind of stifled tune method for ultra-high water cut stage oil reservoir |
| CN110439502A (en) * | 2019-06-24 | 2019-11-12 | 中国石油化工股份有限公司 | A kind of reservoir water drive band analysis method |
| CN110374562B (en) * | 2019-06-24 | 2021-09-10 | 中国石油化工股份有限公司 | Oil reservoir plugging and adjusting method |
| CN110439502B (en) * | 2019-06-24 | 2021-10-26 | 中国石油化工股份有限公司 | Oil reservoir water flooding zone analysis method |
| CN110617042A (en) * | 2019-10-12 | 2019-12-27 | 中国石油化工股份有限公司 | Layered water injection regulation and control method for high water-consumption zone development oil reservoir |
| CN110617042B (en) * | 2019-10-12 | 2021-09-28 | 中国石油化工股份有限公司 | Layered water injection regulation and control method for high water-consumption zone development oil reservoir |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106368647A (en) | Method for determining use level of profile control agent for horizontal well | |
| He et al. | Connotation, application and prospect of the fourth-generation separated layer water injection technology | |
| CN103742130B (en) | Based on time become high infiltration strip characterizing method | |
| CN111502593B (en) | Method for determining dosage of temporary plugging diversion fracturing phase change temporary plugging agent in crack | |
| CN105389467B (en) | A kind of method and device obtaining interwell communication relationship | |
| CN107301306A (en) | Dynamic open-flow capacity Forecasting Methodology for DAMAGE OF TIGHT SAND GAS RESERVOIRS pressure break horizontal well | |
| CN105089612A (en) | Determining method for distance of well-drain and length of pressure break of low penetration oil reservoir artificial fracture | |
| CN103590824A (en) | Productivity calculation method for tight gas horizontal wells modified by multi-stage fracturing | |
| CN104564043B (en) | A kind of diversion chamber of gas test compact reservoir seam net flow conductivity and its method of work | |
| CN109726945B (en) | Well testing interpretation method for complex seam network of tight oil reservoir | |
| Mou et al. | Acid leakoff mechanism in acid fracturing of naturally fractured carbonate oil reservoirs | |
| CN107038268A (en) | A kind of method for determining heterogeneous reservoir five-spot pattern water drive sweep efficiency | |
| CN105205318B (en) | The method and apparatus for determining the total output of multilayer multistage horizontal fracture producing well | |
| CN106649963A (en) | Determining method of volume fracturing complex seaming net average fracture length and equivalent fracture numbers | |
| CN108959767A (en) | A kind of narrow river channel type gas reservoir difference well type condensate injury method for numerical simulation | |
| WO2019165223A1 (en) | Slotted discs representative of formation fractures | |
| CN106777663A (en) | A kind of fracturing fluid leak speed calculation method for considering intrinsic fracture | |
| CN106770488A (en) | Obtain the device and method of anisotropic seepage medium with slits profit saturation degree | |
| CN111734394B (en) | Method for determining unsteady bottom-hole pressure of tight oil reservoir fracturing well | |
| CN107402290A (en) | Study CO2Experimental method of the drive process Crude Oil studies on asphaltene precipitation to reservoir properties and development effect influence | |
| CN104131813B (en) | Method and system for obtaining formation parameters of unconventional gas reservoir | |
| CN206309379U (en) | A kind of well pattern structure | |
| CN204253001U (en) | A kind of horizontal well separate zone production well pattern of old filed water flooding recovery | |
| Zhang et al. | Comprehensive model for flow behavior of high-performance-fracture completions | |
| Xiao et al. | Research on temporary plugging refracturing technology for shale gas wells |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170201 |