CN105913328A - Method and apparatus for determining exploitation degree data of oil and gas reservoir - Google Patents
Method and apparatus for determining exploitation degree data of oil and gas reservoir Download PDFInfo
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- CN105913328A CN105913328A CN201610235894.1A CN201610235894A CN105913328A CN 105913328 A CN105913328 A CN 105913328A CN 201610235894 A CN201610235894 A CN 201610235894A CN 105913328 A CN105913328 A CN 105913328A
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
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Abstract
The embodiment of the application provides a method and apparatus for determining exploitation degree data of an oil and gas reservoir. The method comprises: oil-gas samples of reference wells with the preset number and corresponding exploitation degree data of an oil and gas reservoir during sampling are obtained; quantitative geochemistry analysis processing is carried out on the oil-gas samples and a preset oil-gas geochemistry parameter reflecting a fluid property change is obtained; fitting analysis processing is carried out on the preset oil-gas geochemistry parameter and the corresponding exploitation degree data of the oil and gas reservoir and thus a fitting relationship between the preset oil-gas geochemistry parameter and the corresponding exploitation degree data of the oil and gas reservoir is determined; and on the basis of the fitting relationship and an obtained oil-gas geochemistry parameter of a target oil and gas reservoir, exploitation degree data of the target oil and gas reservoir are determined. According to the technical scheme, the exploitation degree data of the oil and gas reservoir can be determined rapidly and accurately; and a data support is provided for determining a reasonable oil extraction method of an oil and gas reservoir. Therefore, the oil-gas recovery efficiency is improved; the service life of the oil-gas well is prolonged; and the economic benefits are increased.
Description
Technical field
The present invention relates to oil-gas exploration technical field, particularly relate to a kind of method and apparatus determining oil-gas reservoir recovery percent data.
Background technology
In recent years, along with going deep into of exploration and development, self-contained large-scale oil pool is fewer and feweri, and small-sized oil-gas reservoir is increasingly becoming exploration
Agent object, in this kind of oil-gas reservoir, oil and water zonation is complex.Therefore, need to determine accurately before exploitation and in recovery process
Oil-gas reservoir Production development data and pressure data etc. can reflect the data of oil-gas reservoir recovery percent, determine rational oil gas for follow-up
Hide oil production method and data support is provided, and then the rate of oil and gas recovery can be improved.
In prior art, many for producing well, the many large-scale oil pool in information source path typically can directly obtain multiple wells
Oil-gas reservoir Production development data and the pressure datas such as the instantaneous oil-producing of individual well, aerogenesis and aquifer yield data, fluid parameter data, by
Preferable in oil-gas reservoir internal connectivity, the change of a bite well is it is possible to reflect the change of whole oil-gas reservoir, and then may determine that
Go out corresponding oil production method, rate of oil production.But for complicated small-sized oil-gas reservoir, oil-gas reservoir internal connectivity is poor, individual well oil-gas reservoir
The oil-gas reservoir recovery percent data such as Production development data and pressure data can only reflect the oil-gas reservoir recovery percent number of part oil-gas reservoir
According to, cause oil recovery scope may ratio relatively limited.In recovery process, so once find the change of oil-gas reservoir recovery percent data,
Also having not enough time to adjust oil-gas reservoir oil production method, oil-gas reservoir gas is just by water logging, and Remaining Oil And Gas just cannot come in extraction, causes oil gas
Recovery ratio is low, deficiency in economic performance.
Therefore, prior art needs a kind of method determining oil-gas reservoir recovery percent data badly, can determine oil gas fast and accurately
Hide recovery percent data, for determining that reasonable oil-gas reservoir oil production method is supported by data, and then the rate of oil and gas recovery can be improved,
Extend the Oil/gas Well life-span, expand economic benefit.
Summary of the invention
The purpose of the application is to provide a kind of method and apparatus determining oil-gas reservoir recovery percent data, can determine fast and accurately
Fuel-displaced gas reservoir exploitation level data, for determining that reasonable oil-gas reservoir oil production method is supported by data, and then can improve oil gas and adopt
Yield, extends the Oil/gas Well life-span, expands economic benefit.
The application provides the method and apparatus of stand oil gas reservoir exploitation level data to be really achieved in that
A kind of method determining oil-gas reservoir recovery percent data, described method includes:
Corresponding oil-gas reservoir recovery percent data when obtaining oil gas sample and the sampling of the reference well of predetermined number;
Described oil gas sample is carried out geochemical analysis quantitative Treatment, obtains the oil gas earth preset of reflection fluid properties change
Chemical parameters;
Described default oil and gas geochemistry parameter and corresponding oil-gas reservoir recovery percent data are fitted analyzing and processing, determine
Go out the fit correlation between default oil and gas geochemistry parameter and oil-gas reservoir recovery percent data;
Target oil gas described in the oil and gas geochemistry parameter determination preset of target oil-gas reservoir based on described fit correlation and acquisition
The oil-gas reservoir recovery percent data hidden.
A kind of device determining oil-gas reservoir recovery percent data, described device includes:
First data acquisition module, corresponding oil-gas reservoir exploitation during for obtaining oil gas sample and the sampling of the reference well of predetermined number
Level data;
Geochemical analysis quantitative Treatment module, for described oil gas sample carries out geochemical analysis quantitative Treatment, obtains anti-
Reflect the oil and gas geochemistry parameter preset of fluid properties change;
Fitting Analysis processing module, for described default oil and gas geochemistry parameter and corresponding oil-gas reservoir recovery percent data
It is fitted analyzing and processing, determines that the matching between default oil and gas geochemistry parameter and oil-gas reservoir recovery percent data is closed
System;
Oil-gas reservoir recovery percent data determining module, for the oil preset of target oil-gas reservoir based on described fit correlation and acquisition
Gas Geochemical Parameters determines the oil-gas reservoir recovery percent data of described target oil-gas reservoir.
The application is in the oil-gas reservoir recovery percent data obtained with reference to well and the corresponding oil and gas geochemistry parameter preset;Then,
Can target oil-gas reservoir based on described fit correlation and acquisition preset oil and gas geochemistry parameter determine fast and accurately
The oil-gas reservoir recovery percent data of described target oil-gas reservoir.Compared with prior art, the technical scheme utilizing the application to provide is permissible
Determine oil-gas reservoir recovery percent data fast and accurately, for determining that reasonable oil-gas reservoir oil production method is supported by data, and then
The rate of oil and gas recovery can be improved, extend the Oil/gas Well life-span, expand economic benefit.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to embodiment or prior art
In description, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only to remember in the application
Some embodiments carried, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the flow chart that the application provides a kind of embodiment of the method for stand oil gas reservoir exploitation level data really;
Fig. 2 is the flow chart that the application provides the another kind of embodiment of the method for stand oil gas reservoir exploitation level data really;
Fig. 3 is the structural representation that the application provides in a kind of embodiment of the device of stand oil gas reservoir exploitation level data really;
Fig. 4 is the structural representation that the application provides in the another kind of embodiment of the device of stand oil gas reservoir exploitation level data really;
Fig. 5 is the structural representation that the described oil-gas reservoir oil production method that the application provides determines a kind of embodiment of module.
Detailed description of the invention
For the technical scheme making those skilled in the art be more fully understood that in the application, below in conjunction with in the embodiment of the present application
Accompanying drawing, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described embodiment is only
It is some embodiments of the present application rather than whole embodiments.Based on the embodiment in the application, ordinary skill people
The every other embodiment that member is obtained under not making creative work premise, all should belong to the scope of the application protection.
Implementing of the embodiment of the present application is described in detail below with several specific examples.
Hereinafter a kind of embodiment of a kind of method determining oil-gas reservoir recovery percent data of the application is first introduced.Fig. 1 is the application
The flow chart of a kind of embodiment of the method for stand oil gas reservoir exploitation level data really is provided, this application provides such as embodiment or stream
Method operating procedure described in journey figure, but based on conventional or more or less operation step can be included without performing creative labour
Suddenly.The sequence of steps enumerated in embodiment is only a kind of mode in numerous step execution sequences, does not represent unique execution suitable
Sequence.When system in practice or client production perform, can perform according to embodiment or method shown in the drawings order or
Person's executed in parallel (environment of such as parallel processor or multiple threads).It is concrete as it is shown in figure 1, described method is permissible
Including:
S110: corresponding oil-gas reservoir recovery percent data when obtaining oil gas sample and the sampling of the reference well of predetermined number.
In the embodiment of the present application, corresponding oil-gas reservoir exploitation journey when can obtain oil gas sample and the sampling of the reference well of predetermined number
Degrees of data.Concrete, can be when carrying out oil gas sample, the data acquisition shown at that time according to Instruments in Well Site dish and oil gas
Sample corresponding oil-gas reservoir recovery percent data.Described oil-gas reservoir recovery percent data can at least include following in one:
Production development data and pressure data.
Concrete, described predetermined number can set in conjunction with actual survey area situation.Described reference well can include normally producing
And the oil well of stable yields.Described oil gas sample can include the described former oil and gas sample with reference to well different times.General,
Described natural gas sample can be collected with anticorrosion steel cylinder, and pressure is at 2~5 MPas, and the volume of sampling can be 1 liter;Described crude oil
Sample can be sealed up for safekeeping with special glass bottle with closure collection, and the volume of sampling can be 10 milliliters.
S120: described oil gas sample carries out geochemical analysis quantitative Treatment, obtains the oil preset of reflection fluid properties change
Gas Geochemical Parameters.
In the embodiment of the present application, described oil gas sample can be carried out geochemical analysis quantitative Treatment, obtain reflection fluid properties
The oil and gas geochemistry parameter preset of change.Concrete, described described oil gas sample is carried out geochemical analysis quantitative Treatment
Can include that gas component analyzes quantitative Treatment and crude oil biological marker compounds analyzes quantitative Treatment.Described reflection fluid properties
Change preset oil and gas geochemistry parameter at least can include following in one:
Lighter hydrocarbons content and yields compound (C in crude oil in gas-oil ratio, natural gas aridity coefficient, crude oil15+ above compound)
Content ratio.
In a specific embodiment, gas component analyzes the trace look that quantitative Treatment can utilize Agilent company to produce
Spectrometer completes, and described micro-chromatography analyzer is by Agilent 6890 gas-chromatography and the micro-amount control device of Wasson ECE
Two parts form, including a fid detector and a TCD detector.Injector temperature used by gas analysis is 250 DEG C,
Split ratio is 25:1, post case temperature conditions: be initially 68 DEG C, keeps 7min, is then warming up to 90 DEG C with 10 DEG C/min, 90
DEG C keeping 1.5min, then be warming up to 175 DEG C with 15 DEG C/min, 175 DEG C keep 5min (performing oil and gas industry standard).
In a specific embodiment, crude oil biological marker compounds analysis quantitatively includes that full oil chromatogram analysis theorem processes (Gas
Chromatographic) and saturated hydrocarbon gas chromatography mass spectral analysis theorem process (Gas Chromatographic Mass
Spectrometry).Described full oil chromatogram analysis theorem processes sampling HP7890A instrument, is equipped with HPDB-5 silicagel column (model
J&W 122-5-32, long 30m, diameter 0.25mm, thickness 0.25 μm));Heating schedule: initial temperature 40 DEG C, keeps
2min, then rises to 310 DEG C with the speed of 6 DEG C/min, and constant temperature preserves 30min.Described saturated hydrocarbon gas chromatography mass spectral analysis
Theorem process sampling TRACE GC ULTRA/DSQII instrument, application HP-5MS silicagel column (long 60m, diameter 0.25mm,
Thickness 0.25 μm), gas-chromatography stove initial temperature is 100 DEG C, constant temperature 5min, then raises with the heating rate of 4 DEG C/min
To 220 DEG C, then rising to 320 DEG C with the heating rate of 2 DEG C/min, 320 DEG C keep 20min.
Additionally, the ratio of each compound is calculated by the peak area of respective compound in described crude oil biological marker compounds.
S130: described default oil and gas geochemistry parameter and corresponding oil-gas reservoir recovery percent data are fitted at analysis
Reason, determines the fit correlation between default oil and gas geochemistry parameter and oil-gas reservoir recovery percent data.
In the embodiment of the present application, described default oil and gas geochemistry parameter and corresponding oil-gas reservoir recovery percent data can be entered
Row Fitting Analysis processes, and determines the fit correlation between default oil and gas geochemistry parameter and oil-gas reservoir recovery percent data.
Concrete, Fitting Analysis described in the embodiment of the present application processes can include but not limited to interpolation fitting method.
Concrete, described fit correlation can include following formula:
Y=1.3218x-0.547
In above formula, y represents oil-gas reservoir recovery percent data;X represents default oil and gas geochemistry parameter.
In a specific embodiment, when the oil and gas geochemistry parameter preset of described reflection fluid properties change includes gas and oil
Than lighter hydrocarbons content in, natural gas aridity coefficient and crude oil with in crude oil during yields compounds content ratio, can be in conjunction with gas
Lighter hydrocarbons content and yields compounds content ratio reflection fluid properties in crude oil in oil ratio, natural gas aridity coefficient and crude oil
The situation of change, determines that in gas-oil ratio, natural gas aridity coefficient and crude oil, lighter hydrocarbons content quantifies with weight molecule in crude oil respectively
Compound content ratio and the corresponding relation of default oil and gas geochemistry parameter.Concrete, described default oil and gas geochemistry ginseng
Number can include equation below:
X=0.1 × 0.1 × lga+0.2 × b+0.7 × c
In above formula, x represents default oil and gas geochemistry parameter;A represents gas-oil ratio, and steam oil ratio (SOR) jumps big in actual applications,
There is logarithmic relationship, carry out affecting the calculating of coefficient with 0.1 × lga;B represents natural gas aridity coefficient (methane content and natural gas
The ratio of middle hydrocarbon content);C represents lighter hydrocarbons content and yields compounds content ratio in crude oil in crude oil.
In a specific embodiment, when described oil-gas reservoir recovery percent data include Production development data and pressure data,
Can in conjunction with Production development data and pressure data the influence degree to oil-gas reservoir recovery percent data, determine Production development number
Corresponding relation according to, pressure data with oil-gas reservoir recovery percent data.Concrete, described oil-gas reservoir recovery percent data can be wrapped
Include equation below:
Y=0.1 × lg (e × f)
In above formula, y represents oil-gas reservoir recovery percent data;In formula, e represents Production development data;F represents pressure data.
Target described in the oil and gas geochemistry parameter determination preset of S140: target oil-gas reservoir based on described fit correlation and acquisition
The oil-gas reservoir recovery percent data of oil-gas reservoir.
In the embodiment of the present application, after step S130 obtains described fit correlation, can be based on described fit correlation and acquisition
Target oil-gas reservoir the oil and gas geochemistry parameter determination preset described in the oil-gas reservoir recovery percent data of target oil-gas reservoir.Specifically
, the acquisition methods of the oil and gas geochemistry parameter preset of described target oil-gas reservoir can be in conjunction with reference to above-mentioned acquisition reference well
The step of the oil and gas geochemistry parameter preset.
From the embodiment of a kind of method determining oil-gas reservoir recovery percent data of above the application, the application is obtaining with reference to well
Oil-gas reservoir recovery percent data and the corresponding oil and gas geochemistry parameter preset;It is then possible to based on described fit correlation and
The oil and gas geochemistry parameter preset of the target oil-gas reservoir obtained determines the oil-gas reservoir of described target oil-gas reservoir fast and accurately
Recovery percent data.Compared with prior art, the technical scheme utilizing the application to provide can determine oil-gas reservoir fast and accurately
Recovery percent data, for determining that reasonable oil-gas reservoir oil production method is supported by data, and then can improve the rate of oil and gas recovery, prolong
In the long Oil/gas Well life-span, expand economic benefit.
The another kind of embodiment of a kind of method determining oil-gas reservoir recovery percent data of the application introduced below.Fig. 2 is that the application carries
For the flow chart of the another kind of embodiment of the method for stand oil gas reservoir exploitation level data really, this application provides such as embodiment or stream
Method operating procedure described in journey figure, but based on conventional or more or less operation step can be included without performing creative labour
Suddenly.The sequence of steps enumerated in embodiment is only a kind of mode in numerous step execution sequences, does not represent unique execution suitable
Sequence.When system in practice or client production perform, can perform according to embodiment or method shown in the drawings order or
Person's executed in parallel (environment of such as parallel processor or multiple threads).It is concrete as in figure 2 it is shown, described method is permissible
Including:
S210: corresponding oil-gas reservoir recovery percent data when obtaining oil gas sample and the sampling of the reference well of predetermined number.
S220: described oil gas sample carries out geochemical analysis quantitative Treatment, obtains the oil preset of reflection fluid properties change
Gas Geochemical Parameters.
S230: described default oil and gas geochemistry parameter and corresponding oil-gas reservoir recovery percent data are fitted at analysis
Reason, determines the fit correlation between default oil and gas geochemistry parameter and oil-gas reservoir recovery percent data.
Target described in the oil and gas geochemistry parameter determination preset of S240: target oil-gas reservoir based on described fit correlation and acquisition
The oil-gas reservoir recovery percent data of oil-gas reservoir.
S250: obtain the described oil-gas reservoir recovery percent data corresponding with reference to the critical point of the well water of well.
In a specific embodiment, oil-gas reservoir recovery percent data corresponding to described critical point can be 0.22.
S260: according to the oil-gas reservoir recovery percent that the oil-gas reservoir recovery percent data of described target oil-gas reservoir are corresponding with described critical point
The numerical values recited situation of data determines the oil production method of described target oil-gas reservoir.
The described oil-gas reservoir recovery percent corresponding with described critical point according to the oil-gas reservoir recovery percent data of described target oil-gas reservoir
The numerical values recited situation of data determines that the oil production method of described target oil-gas reservoir may include that
When the oil-gas reservoir recovery percent data that the oil-gas reservoir recovery percent data of described target oil-gas reservoir are corresponding more than described critical point,
And the difference of the oil-gas reservoir recovery percent data of described target oil-gas reservoir oil-gas reservoir recovery percent data corresponding with described critical point
During more than the first preset difference value, determine the oil production method using the exploitation rate increasing by the first predetermined amount in current exploitation rate;
When the oil-gas reservoir recovery percent data that the oil-gas reservoir recovery percent data of described target oil-gas reservoir are corresponding more than described critical point,
And the difference of the oil-gas reservoir recovery percent data of described target oil-gas reservoir oil-gas reservoir recovery percent data corresponding with described critical point
During less than or equal to the first preset difference value, determine the oil production method using current exploitation rate;
When the oil-gas reservoir recovery percent data that the oil-gas reservoir recovery percent data of described target oil-gas reservoir are corresponding less than described critical point,
And the difference of the oil-gas reservoir recovery percent data of described target oil-gas reservoir oil-gas reservoir recovery percent data corresponding with described critical point
During less than or equal to the second preset difference value, determine and use the exploitation rate reducing by the second predetermined amount in current exploitation rate, Yi Ji
The oil production method of the pressure of predetermined amount is increased on current recovery pressure;
When the oil-gas reservoir recovery percent data that the oil-gas reservoir recovery percent data of described target oil-gas reservoir are corresponding less than described critical point,
And the difference of the oil-gas reservoir recovery percent data of described target oil-gas reservoir oil-gas reservoir recovery percent data corresponding with described critical point
During more than described second preset difference value, determine and use the oil production method stopping exploitation.
Concrete, the predetermined amount described in the embodiment of the present application, the first preset difference value, the second preset difference value, the first predetermined amount with
And second predetermined amount can according to reality exploration situation arrange.
From the embodiment of a kind of method determining oil-gas reservoir recovery percent data of above the application, the application is obtaining with reference to well
Oil-gas reservoir recovery percent data and the corresponding oil and gas geochemistry parameter preset;It is then possible to based on described fit correlation and
The oil and gas geochemistry parameter preset of the target oil-gas reservoir obtained determines the oil-gas reservoir of described target oil-gas reservoir fast and accurately
Recovery percent data.Finally, face according to the water outlet of the oil-gas reservoir recovery percent data of described target oil-gas reservoir and the reference well of acquisition
The numerical values recited situation of the oil-gas reservoir recovery percent data that boundary's point is corresponding reasonably determines the oil production method of described target oil-gas reservoir.With
Prior art is compared, and the technical scheme utilizing the application to provide can determine oil-gas reservoir recovery percent data fast and accurately, with
Time can determine that reasonable oil-gas reservoir oil production method, and then the rate of oil and gas recovery can be improved, extend the Oil/gas Well life-span, expand economy
Benefit.
On the other hand the application also provides for a kind of device determining oil-gas reservoir recovery percent data, and Fig. 3 is the determination that the application provides
A kind of structural representation in the embodiment of the device of oil-gas reservoir recovery percent data;As it is shown on figure 3, described device 300 also may be used
To include:
First data acquisition module 310, may be used for obtaining when the oil gas sample of the reference well of predetermined number and sampling the most oily
Gas reservoir exploitation level data;
Geochemical analysis quantitative Treatment module 320, may be used for described oil gas sample is carried out geochemical analysis quantitative Treatment,
Obtain the oil and gas geochemistry parameter preset of reflection fluid properties change;
Fitting Analysis processing module 330, may be used for exploiting described default oil and gas geochemistry parameter and corresponding oil-gas reservoir
Level data is fitted analyzing and processing, determines between default oil and gas geochemistry parameter and oil-gas reservoir recovery percent data
Fit correlation;
Oil-gas reservoir recovery percent data determining module 340, may be used for target oil-gas reservoir based on described fit correlation and acquisition
The oil-gas reservoir recovery percent data of target oil-gas reservoir described in the oil and gas geochemistry parameter determination preset.
Fig. 4 is the structural representation that the application provides in the another kind of embodiment of the device of stand oil gas reservoir exploitation level data really;
In another embodiment, as shown in Figure 4, described device 300 can also include:
Second data acquisition module 350, may be used for obtaining the described oil-gas reservoir corresponding with reference to the critical point of the well water of well and opens
Adopt level data;
Oil-gas reservoir oil production method determines module 360, may be used for oil-gas reservoir recovery percent data according to described target oil-gas reservoir and
The numerical values recited situation of the oil-gas reservoir recovery percent data that described critical point is corresponding determines the oil production method of described target oil-gas reservoir.
The application also provides for described oil-gas reservoir oil production method and determines the specific embodiment of module 360, and Fig. 5 is the institute that the application provides
State the structural representation that oil-gas reservoir oil production method determines a kind of embodiment of module, as it is shown in figure 5, described first data acquisition mould
Block 360 may include that
First oil-gas reservoir oil production method determines unit 361, may be used for the oil-gas reservoir recovery percent data when described target oil-gas reservoir
The oil-gas reservoir recovery percent data corresponding more than described critical point, and the oil-gas reservoir recovery percent data of described target oil-gas reservoir and institute
When stating the difference of oil-gas reservoir recovery percent data corresponding to critical point more than the first preset difference value, determine that employing is in current exploitation rate
The oil production method of the exploitation rate of upper increase the first predetermined amount;
Second oil-gas reservoir oil production method determines unit 362, may be used for the oil-gas reservoir recovery percent data when described target oil-gas reservoir
The oil-gas reservoir recovery percent data corresponding more than described critical point, and the oil-gas reservoir recovery percent data of described target oil-gas reservoir and institute
When stating the difference of oil-gas reservoir recovery percent data corresponding to critical point less than or equal to the first preset difference value, determine that speed is currently exploited in employing
The oil production method of degree;
3rd oil-gas reservoir oil production method determines unit 363, may be used for the oil-gas reservoir recovery percent data when described target oil-gas reservoir
The oil-gas reservoir recovery percent data corresponding less than described critical point, and the oil-gas reservoir recovery percent data of described target oil-gas reservoir and institute
When stating the difference of oil-gas reservoir recovery percent data corresponding to critical point less than or equal to the second preset difference value, determine that employing is in current exploitation
Reduce the exploitation rate of the second predetermined amount in speed, and on current recovery pressure, increase the oil production method of the pressure of predetermined amount;
4th oil-gas reservoir oil production method determines unit 364, may be used for the oil-gas reservoir recovery percent data when described target oil-gas reservoir
The oil-gas reservoir recovery percent data corresponding less than described critical point, and the oil-gas reservoir recovery percent data of described target oil-gas reservoir and institute
When stating the difference of oil-gas reservoir recovery percent data corresponding to critical point more than described second preset difference value, determine to use and stop exploitation
Oil production method.
In a preferred embodiment, described fit correlation can include following formula:
Y=1.3218x-0.547
In above formula, y represents oil-gas reservoir recovery percent data;X represents default oil and gas geochemistry parameter.
In a preferred embodiment, the oil and gas geochemistry parameter preset of described reflection fluid properties change at least can be wrapped
Include following in one:
Lighter hydrocarbons content and yields compounds content ratio in crude oil in gas-oil ratio, natural gas aridity coefficient, crude oil.
In a preferred embodiment, described oil-gas reservoir recovery percent data at least can include following in one:
Production development data and pressure data.
From the embodiment of a kind of method and apparatus determining oil-gas reservoir recovery percent data of above the application, the application is obtaining
Oil-gas reservoir recovery percent data and the corresponding oil and gas geochemistry parameter preset with reference to well;It is then possible to based on described matching
The oil and gas geochemistry parameter preset of the target oil-gas reservoir of relation and acquisition determines described target oil-gas reservoir fast and accurately
Oil-gas reservoir recovery percent data.Finally, according to the reference well of the oil-gas reservoir recovery percent data of described target oil-gas reservoir and acquisition
The numerical values recited situation of the oil-gas reservoir recovery percent data that water outlet critical point is corresponding reasonably determines the oil recovery of described target oil-gas reservoir
Method.Compared with prior art, the technical scheme utilizing the application to provide can determine oil-gas reservoir recovery percent fast and accurately
Data, can determine that reasonable oil-gas reservoir oil production method simultaneously, and then can improve the rate of oil and gas recovery, extend the Oil/gas Well life-span,
Expand economic benefit.
Each embodiment in this specification all uses the mode gone forward one by one to describe, and what each embodiment stressed is real with other
Executing the difference of example, between each embodiment, identical similar part sees mutually.Especially for system embodiment
Speech, owing to it is substantially similar to embodiment of the method, so describe is fairly simple, relevant part sees the part of embodiment of the method
Illustrate.
Although depicting the application by embodiment, it will be appreciated by the skilled addressee that the application have many deformation and a change and
Without departing from spirit herein, it is desirable to appended claim includes that these deformation and change are without deviating from spirit herein.
Claims (12)
1. the method determining oil-gas reservoir recovery percent data, it is characterised in that described method includes:
Corresponding oil-gas reservoir recovery percent data when obtaining oil gas sample and the sampling of the reference well of predetermined number;
Described oil gas sample is carried out geochemical analysis quantitative Treatment, obtains the oil gas earth preset of reflection fluid properties change
Chemical parameters;
Described default oil and gas geochemistry parameter and corresponding oil-gas reservoir recovery percent data are fitted analyzing and processing, determine
Go out the fit correlation between default oil and gas geochemistry parameter and oil-gas reservoir recovery percent data;
Target oil gas described in the oil and gas geochemistry parameter determination preset of target oil-gas reservoir based on described fit correlation and acquisition
The oil-gas reservoir recovery percent data hidden.
Method the most according to claim 1, it is characterised in that described method also includes:
Obtain the described oil-gas reservoir recovery percent data corresponding with reference to the critical point of the well water of well;
The oil-gas reservoir recovery percent data that oil-gas reservoir recovery percent data according to described target oil-gas reservoir are corresponding with described critical point
Numerical values recited situation determine the oil production method of described target oil-gas reservoir.
Method the most according to claim 2, it is characterised in that the described oil-gas reservoir according to described target oil-gas reservoir is exploited
The numerical values recited situation of the oil-gas reservoir recovery percent data that level data is corresponding with described critical point determines described target oil-gas reservoir
Oil production method includes:
When the oil-gas reservoir recovery percent data that the oil-gas reservoir recovery percent data of described target oil-gas reservoir are corresponding more than described critical point,
And the difference of the oil-gas reservoir recovery percent data of described target oil-gas reservoir oil-gas reservoir recovery percent data corresponding with described critical point
During more than the first preset difference value, determine the oil production method using the exploitation rate increasing by the first predetermined amount in current exploitation rate;
When the oil-gas reservoir recovery percent data that the oil-gas reservoir recovery percent data of described target oil-gas reservoir are corresponding more than described critical point,
And the difference of the oil-gas reservoir recovery percent data of described target oil-gas reservoir oil-gas reservoir recovery percent data corresponding with described critical point
During less than or equal to the first preset difference value, determine the oil production method using current exploitation rate;
When the oil-gas reservoir recovery percent data that the oil-gas reservoir recovery percent data of described target oil-gas reservoir are corresponding less than described critical point,
And the difference of the oil-gas reservoir recovery percent data of described target oil-gas reservoir oil-gas reservoir recovery percent data corresponding with described critical point
During less than or equal to the second preset difference value, determine and use the exploitation rate reducing by the second predetermined amount in current exploitation rate, Yi Ji
The oil production method of the pressure of predetermined amount is increased on current recovery pressure;
When the oil-gas reservoir recovery percent data that the oil-gas reservoir recovery percent data of described target oil-gas reservoir are corresponding less than described critical point,
And the difference of the oil-gas reservoir recovery percent data of described target oil-gas reservoir oil-gas reservoir recovery percent data corresponding with described critical point
During more than described second preset difference value, determine and use the oil production method stopping exploitation.
4. according to the method described in claims 1 to 3 any one, it is characterised in that described fit correlation includes following public affairs
Formula:
Y=1.3218x-0.547
In above formula, y represents oil-gas reservoir recovery percent data;X represents default oil and gas geochemistry parameter.
5. according to the method described in claims 1 to 3 any one, it is characterised in that the change of described reflection fluid properties
Preset oil and gas geochemistry parameter at least include following in one:
Lighter hydrocarbons content and yields compounds content ratio in crude oil in gas-oil ratio, natural gas aridity coefficient, crude oil.
6. according to the method described in claims 1 to 3 any one, it is characterised in that described oil-gas reservoir recovery percent data
At least include following in one:
Production development data and pressure data.
7. the device determining oil-gas reservoir recovery percent data, it is characterised in that described device includes:
First data acquisition module, corresponding oil-gas reservoir exploitation during for obtaining oil gas sample and the sampling of the reference well of predetermined number
Level data;
Geochemical analysis quantitative Treatment module, for described oil gas sample carries out geochemical analysis quantitative Treatment, obtains anti-
Reflect the oil and gas geochemistry parameter preset of fluid properties change;
Fitting Analysis processing module, for described default oil and gas geochemistry parameter and corresponding oil-gas reservoir recovery percent data
It is fitted analyzing and processing, determines that the matching between default oil and gas geochemistry parameter and oil-gas reservoir recovery percent data is closed
System;
Oil-gas reservoir recovery percent data determining module, for the oil preset of target oil-gas reservoir based on described fit correlation and acquisition
Gas Geochemical Parameters determines the oil-gas reservoir recovery percent data of described target oil-gas reservoir.
Device the most according to claim 7, it is characterised in that described device also includes:
Second data acquisition module, for obtaining the described oil-gas reservoir recovery percent number corresponding with reference to the critical point of the well water of well
According to;
Oil-gas reservoir oil production method determines module, for according to the oil-gas reservoir recovery percent data of described target oil-gas reservoir and described critical
The numerical values recited situation of the oil-gas reservoir recovery percent data that point is corresponding determines the oil production method of described target oil-gas reservoir.
Device the most according to claim 8, it is characterised in that described oil-gas reservoir oil production method determines that module includes:
First oil-gas reservoir oil production method determines unit, for the oil-gas reservoir recovery percent data when described target oil-gas reservoir more than described
The oil-gas reservoir recovery percent data that critical point is corresponding, and the oil-gas reservoir recovery percent data of described target oil-gas reservoir and described critical point
When the difference of corresponding oil-gas reservoir recovery percent data is more than the first preset difference value, determine that employing increases by the in current exploitation rate
The oil production method of the exploitation rate of one predetermined amount;
Second oil-gas reservoir oil production method determines unit, for the oil-gas reservoir recovery percent data when described target oil-gas reservoir more than described
The oil-gas reservoir recovery percent data that critical point is corresponding, and the oil-gas reservoir recovery percent data of described target oil-gas reservoir and described critical point
When the difference of corresponding oil-gas reservoir recovery percent data is less than or equal to the first preset difference value, determine the oil recovery using current exploitation rate
Method;
3rd oil-gas reservoir oil production method determines unit, for the oil-gas reservoir recovery percent data when described target oil-gas reservoir less than described
The oil-gas reservoir recovery percent data that critical point is corresponding, and the oil-gas reservoir recovery percent data of described target oil-gas reservoir and described critical point
When the difference of corresponding oil-gas reservoir recovery percent data is less than or equal to the second preset difference value, determine that employing subtracts in current exploitation rate
The exploitation rate of few second predetermined amount, and on current recovery pressure, increase the oil production method of the pressure of predetermined amount;
4th oil-gas reservoir oil production method determines unit, for the oil-gas reservoir recovery percent data when described target oil-gas reservoir less than described
The oil-gas reservoir recovery percent data that critical point is corresponding, and the oil-gas reservoir recovery percent data of described target oil-gas reservoir and described critical point
When the difference of corresponding oil-gas reservoir recovery percent data is more than described second preset difference value, determines and use the oil recovery side stopping exploitation
Method.
10. according to the device described in claim 7 to 9 any one, it is characterised in that described fit correlation includes following public affairs
Formula:
Y=1.3218x-0.547
In above formula, y represents oil-gas reservoir recovery percent data;X represents default oil and gas geochemistry parameter.
11. according to the device described in claim 7 to 9 any one, it is characterised in that the change of described reflection fluid properties
Preset oil and gas geochemistry parameter at least include following in one:
Lighter hydrocarbons content and yields compounds content ratio in crude oil in gas-oil ratio, natural gas aridity coefficient, crude oil.
12. according to the device described in claim 7 to 9 any one, it is characterised in that described oil-gas reservoir recovery percent data
At least include following in one:
Production development data and pressure data.
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