CN104963657A - Oil reservoir numerical simulation method and device based on high water cut period monitoring data constraint - Google Patents
Oil reservoir numerical simulation method and device based on high water cut period monitoring data constraint Download PDFInfo
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Abstract
A numerical reservoir simulation method and a device based on high water cut monitoring data constraint are provided, the numerical reservoir simulation method comprises the following steps: acquiring data of a production well, an injection well and an oil reservoir, and determining dynamic parameters and static parameters of each well and the oil reservoir; generating three-dimensional flooding space characteristics at different times according to the logging interpretation data in the static parameters; generating a remaining oil distribution rule at different time according to the inspection well coring data in the dynamic parameters; establishing a geological model according to static parameters of an oil reservoir, and initializing the geological model according to original stratum pressure distribution or the relation between pressure and depth, rock and fluid properties; performing historical fitting on the initialized geological model to generate a historical fitting result; and performing historical fitting of numerical reservoir simulation according to the three-dimensional water-flooded space characteristics, the residual oil distribution rule and the historical fitting result. The invention realizes high-precision numerical simulation of the oil reservoir in the high-water-content development stage with different flooding characteristics and residual oil distribution characteristics.
Description
Technical field
The present invention relates to Research Numerical Simulation Techique, particularly relate to a kind of numerical reservoir simulation method based on the constraint of high water-cut stage monitored data and device.
Background technology
China's major part exploitation of oil field through decades enters High water cut and ultra-high water cut stage in succession.According to the statistics of each oil-field aqueous and recoverable reserves recovery percent of reserves, except Changqing oilfields is moisture lower than except 60%, other oil field all reaches more than 70%, is in High water cut and ultra-high water-containing development period.The potentiality to be exploited excavating old filed is the difficult task of pendulum in face of oil worker, and its remaining oil distribution is very complicated.Reservoir numerical simulation is most scientific, the most practical technological means finding remaining oil distribution, and nearly ten years, along with the develop rapidly of computer technology, numerical simulation technology is constantly improved, and the continuous maturation of some new technology and methods is also applied.Wherein meticulous history matching technology can utilize advanced graphing capability to carry out tracking history matching and figure display.Following the tracks of history matching technology is exactly graphically history matching process is shown step by step, interrupt at any time when result is undesirable, matching is continued after adjustment parameter, can save time, shorten simulation cycle, the plate that relatively accurate water logging well log interpretation data and manhole coring data are formed just can as a kind of constraint object of history matching.
The research done for High Water Cut Reservoir numerical simulation technology in recent years mainly concentrates on extensive grid Fine Reservoir Numerical, the aspects such as the reservoir numerical simulation considering reservoir rock and fluid parameter change stage by stage and the reservoir numerical simulation carried out for little geologic element, as when Wang Baohua etc. simulates for three-phase black oil simulator, the sparse vectors storage of extensive diagonal angle takies a large amount of internal memory, solve problem consuming time, the compression storage of research Large Scale Sparse coefficient matrix and method for solving (Wang Baohua, Wu Shuhong, Korea Spro great Kuang, Deng. the block compression of Large Scale Numerical Simulation of Reservoir stores and solves, Petroleum finance, 04 phase in 2014).Gao Bo Yu etc. selects the black oil simulator in Eclipse numerical simulation software, apply numerical reservoir modeling method and vertically divide (PEBI) stress and strain model technology equally High Water Cut Reservoir numerical simulation (Gao Bo Yu has been carried out to Tuo21 fault block two district shaerbuer mountain the 3rd Sand member stage by stage, Peng's bodyguard is tranquil, Huang Shuwang, Deng. High Water Cut Reservoir Careful Numerical Simulation is studied, University of Petroleum's journal, 02 phase in 2005).Although these researchs improve computational speed and the description precision to geologic feature, all the precision of history matching is not explored further.
Summary of the invention
Embodiments provide a kind of numerical reservoir simulation method based on the constraint of high water-cut stage monitored data, high resolution numerical simulation is carried out with the oil reservoir in the high water-cut development stage to different Flooding Characteristics, remaining oil distribution feature, for the use Research Numerical Simulation Techique of science provides foundation, reach the object improving recovery ratio.
To achieve these goals, embodiments provide a kind of numerical reservoir simulation method based on the constraint of high water-cut stage monitored data, described numerical reservoir simulation method comprises:
Obtain producing well, Injection Well and Reservoir Data, determine dynamic parameter and the static parameter of each well and oil reservoir;
The water logging three dimensions feature of different time is generated according to the log analysis data in described static parameter;
To core according to the manhole in described dynamic parameter the Remaining Oil Distribution of data genaration different time;
Static parameter according to oil reservoir sets up geological model, and according to original formation pressure distribution or the relation of pressure and the degree of depth, and rock, fluid properties initialize described geological model;
History matching is carried out to the described geological model after initializing, generates history matching result;
The history matching of reservoir numerical simulation is carried out according to described water logging three dimensions feature, Remaining Oil Distribution and history matching result.
In one embodiment, generate the water logging three dimensions feature of different time according to the log analysis data in described static parameter, comprising:
Sand-body distribution and connection model is portrayed according to core data, SEDIMENTARY FACIES ANALYSIS data of the structural configuration of oil reservoir target zone position, manhole;
Different time well log interpretation achievement is extracted from described log analysis data;
Generate different time water out behavior according to core data and different time well log interpretation achievement of intake profile test data, produce oil section plane test data, individual well Production development data and described manhole and inject water flow direction;
According to described sand-body distribution, connection model, different time water out behavior and the water logging three dimensions feature injecting water flow direction generation different time.
In one embodiment, the Remaining Oil Distribution of data genaration different time of coring according to the manhole in described dynamic parameter, comprising:
To core the number of plies of the different water flushed condition of the dissimilar reservoir of data statistics and thickness according to described manhole;
The number of plies and the thickness of reservoir is assembled according to the number of plies of the different water flushed condition of described dissimilar reservoir and thickness statistics remaining oil;
The number of plies of reservoir and the Remaining Oil Distribution of thickness arrangement different time is assembled according to described remaining oil.
In one embodiment, carry out the history matching of reservoir numerical simulation according to described water logging three dimensions feature, Remaining Oil Distribution and history matching result, comprising:
Described history matching result and described water logging three dimensions feature and Remaining Oil Distribution are contrasted, generates comparing result;
According to described comparing result adjustment numerical reservoir model parameter, to improve history matching degree.
In one embodiment, described static parameter comprises: the well location coordinate of every mouthful of well, completion mode, perforating depth, well head, well depth, hole deviation and well track data, the structural configuration of oil reservoir target zone position, log analysis data, seismic interpretation data and layer data, the degree of porosity of target zone position, permeability, oil saturation and original formation pressure parameter, the high pressure property data of rock and fluid in stratum, SEDIMENTARY FACIES ANALYSIS data.
In one embodiment, described dynamic parameter comprises: individual well Production development data, intake profile test data, produce oil section plane test data, water logging log analysis data and manhole are cored data.
To achieve these goals, the embodiment of the present invention additionally provides a kind of reservoir numerical simulation device based on the constraint of high water-cut stage monitored data, and described reservoir numerical simulation device comprises:
Parameter acquiring unit, for obtaining producing well, Injection Well and Reservoir Data, determines dynamic parameter and the static parameter of each well and oil reservoir;
Space characteristics generation unit, for generating the water logging three dimensions feature of different time according to the log analysis data in described static parameter;
Regularity of distribution generation unit, for the remaining oil of data genaration different time of coring according to the manhole in described dynamic parameter;
Geological model generation unit, sets up geological model for the static parameter according to oil reservoir, and according to original formation pressure distribution or the relation of pressure and the degree of depth, and rock, fluid properties initialize described geological model;
Simulation fitting unit, for carrying out history matching to the described geological model after initialization, generates history matching result;
Reservoir numerical simulation unit, for carrying out the history matching of reservoir numerical simulation according to described water logging three dimensions feature, Remaining Oil Distribution and history matching result.
In one embodiment, described space characteristics generation unit comprises:
Portray module, portray sand-body distribution and connection model for core data, SEDIMENTARY FACIES ANALYSIS data of the structural configuration according to oil reservoir target zone position, manhole;
Achievement extraction module, for extracting different time well log interpretation achievement from described log analysis data;
Water filling information generating module, generates different time water out behavior for core according to intake profile test data, produce oil section plane test data, individual well Production development data and described manhole data and different time well log interpretation achievement and injects water flow direction;
Space characteristics generation module, for generating the water logging three dimensions feature of different time according to described sand-body distribution, connection model, different time water out behavior and injection water flow direction.
In one embodiment, described regularity of distribution generation unit comprises:
Water flushed condition Information Statistics module, for the number of plies and the thickness of the different water flushed condition of the dissimilar reservoir of data statistics of coring according to described manhole;
Assemble reservoir statistical module, for assembling the number of plies and the thickness of reservoir according to the number of plies of the different water flushed condition of described dissimilar reservoir and thickness statistics remaining oil;
Regularity of distribution sorting module, the number of plies and thickness for assembling reservoir according to described remaining oil arrange the Remaining Oil Distribution of different time.
In one embodiment, described reservoir numerical simulation unit comprises:
Comparing result generation module, for described history matching result and described water logging three dimensions feature and Remaining Oil Distribution being contrasted, generates comparing result;
Parameter adjustment module, for according to described comparing result adjustment numerical reservoir model parameter, to improve history matching degree.
In one embodiment, described static parameter comprises: the well location coordinate of every mouthful of well, completion mode, perforating depth, well head, well depth, hole deviation and well track data, the structural configuration of oil reservoir target zone position, log analysis data, seismic interpretation data and layer data, the degree of porosity of target zone position, permeability, oil saturation and original formation pressure parameter, the high pressure property data of rock and fluid in stratum, SEDIMENTARY FACIES ANALYSIS data.
In one embodiment, described dynamic parameter comprises: individual well Production development data, intake profile test data, produce oil section plane test data, water logging log analysis data and manhole are cored data.
The beneficial effect of the embodiment of the present invention is, pass through the present invention, achieve and high resolution numerical simulation is carried out to the oil reservoir in the high water-cut development stage of different Flooding Characteristics, remaining oil distribution feature, for the use Research Numerical Simulation Techique of science provides foundation, reach the object improving recovery ratio.Particularly, for the High water cut stage, adopt water logging log analysis data, manhole data constraint of coring obtains higher history matching precision, can quantitative analysis oil reservoir remaining oil reserves and clear and definite remaining oil position more accurately, the regularity of distribution of Flooding Characteristics can be simulated more accurately, the region that research is injected water flow direction and involved.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the numerical reservoir simulation method flow chart based on the constraint of high water-cut stage monitored data in one embodiment of the invention;
Fig. 2 is the generation method flow diagram of water logging three dimensions feature in the embodiment of the present invention;
Fig. 3 is grand celebration Xing Liuzhong district S2-8 sand-body distribution situation schematic diagram in the embodiment of the present invention;
Fig. 4 A to Fig. 4 C be in the embodiment of the present invention grand celebration Xing Liuzhong district S2-8 once encrypt, the water logging situation schematic diagram of superencipher and Tertiary infilling;
Fig. 5 is grand celebration Xing Liuzhong district S2-8 Flooding Characteristics schematic diagram in the embodiment of the present invention;
Fig. 6 is grand celebration Xing Liuzhong district S2-8 remaining oil distribution reservoir numerical simulation result schematic diagram in the embodiment of the present invention;
Fig. 7 is the flow chart of the Remaining Oil Distribution generating different time in the embodiment of the present invention;
Fig. 8 is apricot hilllock three class reservoir one class independence off-balancesheet different water flushed condition number of plies schematic diagram in the embodiment of the present invention;
Fig. 9 is apricot hilllock three class reservoir one class independence off-balancesheet different water flushed condition thickness schematic diagram in the embodiment of the present invention;
Figure 10 is apricot hilllock three class reservoir one class independence off-balancesheet dissimilar remaining oil thickness schematic diagram in the embodiment of the present invention;
Figure 11 is the history matching flow chart of reservoir numerical simulation in the embodiment of the present invention;
Figure 12 is the numerical reservoir simulation method flow chart based on the constraint of high water-cut stage monitored data in another embodiment of the present invention;
Figure 13 is the structured flowchart of the reservoir numerical simulation device of the embodiment of the present invention;
Figure 14 is the structured flowchart of the space characteristics generation unit 1302 of the embodiment of the present invention;
Figure 15 is the structured flowchart of the regularity of distribution generation unit 1303 of the embodiment of the present invention;
Figure 16 is the structured flowchart of the reservoir numerical simulation unit 1306 of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In order to solve problems of the prior art, embodiments provide a kind of numerical reservoir simulation method based on the constraint of high water-cut stage monitored data, as shown in Figure 1, described numerical reservoir simulation method comprises:
Step 101: obtain producing well, Injection Well and Reservoir Data, determine dynamic parameter and the static parameter of each well and oil reservoir;
Step 102: the water logging three dimensions feature generating different time according to the log analysis data in described static parameter;
Step 103: the Remaining Oil Distribution of data genaration different time of coring according to the manhole in described dynamic parameter;
Step 104: the static parameter according to oil reservoir sets up geological model, and according to original formation pressure distribution or the relation of pressure and the degree of depth, and rock, fluid properties initialize described geological model.
During concrete enforcement, need to arrange nonlinear analysis controling parameters: arrange computational accuracy, iterative number of times initializes and calculate data (initializing the three-dimensional pressure of geological model and saturation field data and time data).
Step 105: history matching is carried out to the described geological model after initializing, generates history matching result;
Step 106: the history matching carrying out reservoir numerical simulation according to described water logging three dimensions feature, Remaining Oil Distribution and history matching result.
Flow process is as shown in Figure 1 known, first the present invention generates the water logging three dimensions feature of different time according to log analysis data, then to core according to the manhole in dynamic parameter the Remaining Oil Distribution of data genaration different time, further, set up geological model according to the static parameter of oil reservoir and initialize this geological model, finally carrying out the history matching of reservoir numerical simulation according to water logging three dimensions feature, Remaining Oil Distribution and history matching result.By the method, achieve and high resolution numerical simulation is carried out to the oil reservoir in the high water-cut development stage of different Flooding Characteristics, remaining oil distribution feature, for the use Research Numerical Simulation Techique of science provides foundation, reach the object improving recovery ratio.
In step 101, the static parameter determined comprises: the well location coordinate of every mouthful of well, completion mode, perforating depth, well head, well depth, hole deviation and well track data, the structural configuration (comprising end face, bottom surface constructional drawing etc.) of oil reservoir target zone position, log analysis data, seismic interpretation data and layer data, the degree of porosity of target zone position, permeability, oil saturation and original formation pressure parameter, the high pressure property data (comprising phase percolation curve, capillary pressure curve, PTV data etc.) of rock and fluid in stratum, SEDIMENTARY FACIES ANALYSIS data.
In step 101, the dynamic parameter determined comprises: individual well Production development data (oil production, aquifer yield, gas production, gas-oil ratio, moisture content, oil pressure, casing pressure, flowing bottomhole pressure (FBHP), injection allocation amount), intake profile test data, produce oil section plane test data, water logging log analysis data and manhole are cored data.
In step 102, need the water logging three dimensions feature generating different time according to the log analysis data in above-mentioned static parameter, when specifically implementing, as shown in Figure 2, comprise the steps:
Step 201: portray sand-body distribution and connection model according to core data, SEDIMENTARY FACIES ANALYSIS data of the structural configuration of oil reservoir target zone position, manhole.Grand celebration Xing Liuzhong district S2-8 sand-body distribution situation is illustrated in Fig. 3.
Step 202: extract different time well log interpretation achievement from described log analysis data, such as, can encrypt the phase time according to difference and extract.
Step 203: generate different time water out behavior according to core data and different time well log interpretation achievement of intake profile test data, produce oil section plane test data, individual well Production development data and described manhole and inject water flow direction.
Step 204: according to described sand-body distribution, connection model, different time water out behavior and the water logging three dimensions feature injecting water flow direction generation different time.Fig. 4 A to Fig. 4 C divide show that grand celebration Xing Liuzhong district S2-8 once encrypts, the water logging situation of superencipher and Tertiary infilling.
By the water logging interpretive analysis of time infill well not same period, on the basis that infill well well post section remaining oil characterizes, the test datas such as section are inhaled in conjunction with oil-water well Production development and product, describe the Flooding Characteristics (Fig. 5 grand celebration Xing Liuzhong district S2-8 Flooding Characteristics schematic diagram) of different times single sand (body), instruct the history matching of oil-water well Production development and remaining oil distribution forecast (Fig. 6 is grand celebration Xing Liuzhong district S2-8 remaining oil distribution reservoir numerical simulation result schematic diagram).
In step 103, the Remaining Oil Distribution of the data genaration different time that needs to core according to the manhole in described dynamic parameter, when specifically implementing, as shown in Figure 7, comprises the steps:
Step 701: to core the number of plies of the different water flushed condition of the dissimilar reservoir of data statistics and thickness according to described manhole.Fig. 8 and Fig. 9 has added up the different water flushed condition number of plies of a class independence off-balancesheet in grand celebration Xingshugang oilfield three class reservoir and thickness respectively.
Step 702: the number of plies and the thickness of assembling reservoir according to the number of plies of the different water flushed condition of described dissimilar reservoir and thickness statistics remaining oil.Class reservoir one class independence off-balancesheet dissimilar remaining oil thickness in grand celebration apricot hilllock three has been shown in Figure 10.
Step 703: assemble the number of plies of reservoir and the Remaining Oil Distribution of thickness arrangement different time according to described remaining oil.In this step, needing to core Data Placement remaining oil type in conjunction with manhole, is that in the top of 0-0.2, thickness is not washed in bottom as laminar remaining oil is all kinds of thickness single sand thickness; Top remaining oil is that thickness is not washed at the top of other thickness classification single sand; Middle part, same top, bottom; Interlayer: the holostrome of all thickness does not wash thickness.
In step 106, need the history matching carrying out reservoir numerical simulation according to described water logging three dimensions feature, Remaining Oil Distribution and history matching result, when specifically implementing, as shown in figure 11, comprise the steps:
Step 1101: described history matching result and described water logging three dimensions feature and Remaining Oil Distribution are contrasted, generates comparing result;
Step 1102: according to described comparing result adjustment numerical reservoir model parameter, to improve history matching degree.
In one embodiment, degree of porosity allows amendment scope to be ± 30%; Permeability is considered as Uncertain parameter, can revise scope ± 3 times or more; Effective thickness, owing to coming from log data, with Data Comparison of coring higher about 30%, mainly caliche and muddy intercalation do not pick out completely, are considered as Uncertain parameter, adjustable extent about-30%; Fluid compressibility comes from experimental determination, and excursion is little, is considered as determining parameter; Rock compressibility comes from measuring, but is subject to the impact of saturated fluid and stress state in rock, has certain excursion; The non-effective part be simultaneously connected with effective thickness in sandstone, also has certain hole and fluid interior, plays certain elastic reaction in oil-gas migration.Thus, allow rock compressibility to expand to be twice; Permeability saturation curve is considered as Uncertain parameter, allows to do suitably amendment; The PVT character of oil, gas, is considered as determining parameter; Oil-water interfaces, when data are few, allow to revise within the specific limits.
Summarizing by the flow chart shown in Figure 12 in Fig. 1, Fig. 2 Fig. 7, Figure 11, numerical reservoir simulation method of the present invention comprises two branching step in left and right, records in detail, repeat no more in Figure 12.
In the present invention, for the High water cut stage, adopt water logging log analysis data, manhole data constraint of coring obtains higher history matching precision, can quantitative analysis oil reservoir remaining oil reserves and clear and definite remaining oil position more accurately, the regularity of distribution of Flooding Characteristics can be simulated more accurately, the region that research is injected water flow direction and involved.
Embodiments provide the reservoir numerical simulation device based on the constraint of high water-cut stage monitored data, as shown in figure 13, the reservoir numerical simulation device of the embodiment of the present invention comprises: parameter acquiring unit 1301, space characteristics generation unit 1302, regularity of distribution generation unit 1303, geological model generation unit 1304, simulation fitting unit 1305 and reservoir numerical simulation unit 1306.
Parameter acquiring unit 1301, for obtaining producing well, Injection Well and Reservoir Data, determines dynamic parameter and the static parameter of each well and oil reservoir;
Space characteristics generation unit 1302 is for generating the water logging three dimensions feature of different time according to the log analysis data in described static parameter;
Regularity of distribution generation unit 1303 is for the remaining oil of data genaration different time of coring according to the manhole in described dynamic parameter;
Geological model generation unit 1304 sets up geological model for the static parameter according to oil reservoir, and according to original formation pressure distribution or the relation of pressure and the degree of depth, and rock, fluid properties initialize described geological model;
Simulation fitting unit 1305, for carrying out history matching to the described geological model after initialization, generates history matching result;
Reservoir numerical simulation unit 1306 is for carrying out the history matching of reservoir numerical simulation according to described water logging three dimensions feature, Remaining Oil Distribution and history matching result.
In one embodiment, static parameter comprises: the well location coordinate of every mouthful of well, completion mode, perforating depth, well head, well depth, hole deviation and well track data, the structural configuration of oil reservoir target zone position, log analysis data, seismic interpretation data and layer data, the degree of porosity of target zone position, permeability, oil saturation and original formation pressure parameter, the high pressure property data of rock and fluid in stratum, SEDIMENTARY FACIES ANALYSIS data.
In one embodiment, dynamic parameter comprises: individual well Production development data, intake profile test data, produce oil section plane test data, water logging log analysis data and manhole are cored data.
In one embodiment, as shown in figure 14, space characteristics generation unit 1302 can comprise: portray module 1401, achievement extraction module 1402, water filling information generating module 1403 and space characteristics generation module 1404.
Portray module 1401 and portray sand-body distribution and connection model for core data, SEDIMENTARY FACIES ANALYSIS data of the structural configuration according to oil reservoir target zone position, manhole;
Achievement extraction module 1402 for extracting different time well log interpretation achievement from described log analysis data;
Water filling information generating module 1403 generates different time water out behavior for core according to intake profile test data, produce oil section plane test data, individual well Production development data and described manhole data and different time well log interpretation achievement and injects water flow direction;
Space characteristics generation module 1404 is for generating the water logging three dimensions feature of different time according to described sand-body distribution, connection model, different time water out behavior and injection water flow direction.
In one embodiment, as shown in figure 15, regularity of distribution generation unit 1303 comprises: water flushed condition Information Statistics module 1501, assembles reservoir statistical module 1502 and regularity of distribution sorting module 1503.
Water flushed condition Information Statistics module 1501 is for the number of plies of the different water flushed condition of the dissimilar reservoir of data statistics of coring according to described manhole and thickness;
Assemble reservoir statistical module 1502 for assembling the number of plies and the thickness of reservoir according to the number of plies of the different water flushed condition of described dissimilar reservoir and thickness statistics remaining oil;
Regularity of distribution sorting module 1503 arranges the Remaining Oil Distribution of different time for the number of plies and thickness of assembling reservoir according to described remaining oil.
In one embodiment, as shown in figure 16, reservoir numerical simulation unit 1306 comprises: comparing result generation module 1601 and parameter adjustment module 1602.
Comparing result generation module 1601, for described history matching result and described water logging three dimensions feature and Remaining Oil Distribution being contrasted, generates comparing result;
Parameter adjustment module 1602 is for adjusting numerical reservoir model parameter, to improve history matching degree according to described comparing result.
In the present invention, for the High water cut stage, adopt water logging log analysis data, manhole data constraint of coring obtains higher history matching precision, can quantitative analysis oil reservoir remaining oil reserves and clear and definite remaining oil position more accurately, the regularity of distribution of Flooding Characteristics can be simulated more accurately, the region that research is injected water flow direction and involved.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Apply specific embodiment in the present invention to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (12)
1., based on a numerical reservoir simulation method for high water-cut stage monitored data constraint, it is characterized in that, described numerical reservoir simulation method comprises:
Obtain producing well, Injection Well and Reservoir Data, determine dynamic parameter and the static parameter of each well and oil reservoir;
The water logging three dimensions feature of different time is generated according to the log analysis data in described static parameter;
To core according to the manhole in described dynamic parameter the Remaining Oil Distribution of data genaration different time;
Static parameter according to oil reservoir sets up geological model, and according to original formation pressure distribution or the relation of pressure and the degree of depth, and rock, fluid properties initialize described geological model;
History matching is carried out to the described geological model after initializing, generates history matching result;
The history matching of reservoir numerical simulation is carried out according to described water logging three dimensions feature, Remaining Oil Distribution and history matching result.
2. numerical reservoir simulation method according to claim 1, is characterized in that, generates the water logging three dimensions feature of different time, comprising according to the log analysis data in described static parameter:
Sand-body distribution and connection model is portrayed according to core data, SEDIMENTARY FACIES ANALYSIS data of the structural configuration of oil reservoir target zone position, manhole;
Different time well log interpretation achievement is extracted from described log analysis data;
Generate different time water out behavior according to core data and different time well log interpretation achievement of intake profile test data, produce oil section plane test data, individual well Production development data and described manhole and inject water flow direction;
According to described sand-body distribution, connection model, different time water out behavior and the water logging three dimensions feature injecting water flow direction generation different time.
3. numerical reservoir simulation method according to claim 1, is characterized in that, the Remaining Oil Distribution of data genaration different time of coring according to the manhole in described dynamic parameter, comprising:
To core the number of plies of the different water flushed condition of the dissimilar reservoir of data statistics and thickness according to described manhole;
The number of plies and the thickness of reservoir is assembled according to the number of plies of the different water flushed condition of described dissimilar reservoir and thickness statistics remaining oil;
The number of plies of reservoir and the Remaining Oil Distribution of thickness arrangement different time is assembled according to described remaining oil.
4. numerical reservoir simulation method according to claim 1, is characterized in that, carries out the history matching of reservoir numerical simulation, comprising according to described water logging three dimensions feature, Remaining Oil Distribution and history matching result:
Described history matching result and described water logging three dimensions feature and Remaining Oil Distribution are contrasted, generates comparing result;
According to described comparing result adjustment numerical reservoir model parameter, to improve history matching degree.
5. the numerical reservoir simulation method according to any one of claim 1-4, it is characterized in that, described static parameter comprises: the well location coordinate of every mouthful of well, completion mode, perforating depth, well head, well depth, hole deviation and well track data, the structural configuration of oil reservoir target zone position, log analysis data, seismic interpretation data and layer data, the degree of porosity of target zone position, permeability, oil saturation and original formation pressure parameter, the high pressure property data of rock and fluid in stratum, SEDIMENTARY FACIES ANALYSIS data.
6. the numerical reservoir simulation method according to any one of claim 1-4, it is characterized in that, described dynamic parameter comprises: individual well Production development data, intake profile test data, produce oil section plane test data, water logging log analysis data and manhole are cored data.
7., based on a reservoir numerical simulation device for high water-cut stage monitored data constraint, it is characterized in that, described reservoir numerical simulation device comprises:
Parameter acquiring unit, for obtaining producing well, Injection Well and Reservoir Data, determines dynamic parameter and the static parameter of each well and oil reservoir;
Space characteristics generation unit, for generating the water logging three dimensions feature of different time according to the log analysis data in described static parameter;
Regularity of distribution generation unit, for the remaining oil of data genaration different time of coring according to the manhole in described dynamic parameter;
Geological model generation unit, sets up geological model for the static parameter according to oil reservoir, and according to original formation pressure distribution or the relation of pressure and the degree of depth, and rock, fluid properties initialize described geological model;
Simulation fitting unit, for carrying out history matching to the described geological model after initialization, generates history matching result;
Reservoir numerical simulation unit, for carrying out the history matching of reservoir numerical simulation according to described water logging three dimensions feature, Remaining Oil Distribution and history matching result.
8. reservoir numerical simulation device according to claim 7, is characterized in that, described space characteristics generation unit comprises:
Portray module, portray sand-body distribution and connection model for core data, SEDIMENTARY FACIES ANALYSIS data of the structural configuration according to oil reservoir target zone position, manhole;
Achievement extraction module, for extracting different time well log interpretation achievement from described log analysis data;
Water filling information generating module, generates different time water out behavior for core according to intake profile test data, produce oil section plane test data, individual well Production development data and described manhole data and different time well log interpretation achievement and injects water flow direction;
Space characteristics generation module, for generating the water logging three dimensions feature of different time according to described sand-body distribution, connection model, different time water out behavior and injection water flow direction.
9. reservoir numerical simulation device according to claim 7, is characterized in that, described regularity of distribution generation unit comprises:
Water flushed condition Information Statistics module, for the number of plies and the thickness of the different water flushed condition of the dissimilar reservoir of data statistics of coring according to described manhole;
Assemble reservoir statistical module, for assembling the number of plies and the thickness of reservoir according to the number of plies of the different water flushed condition of described dissimilar reservoir and thickness statistics remaining oil;
Regularity of distribution sorting module, the number of plies and thickness for assembling reservoir according to described remaining oil arrange the Remaining Oil Distribution of different time.
10. reservoir numerical simulation device according to claim 7, is characterized in that, described reservoir numerical simulation unit comprises:
Comparing result generation module, for described history matching result and described water logging three dimensions feature and Remaining Oil Distribution being contrasted, generates comparing result;
Parameter adjustment module, for according to described comparing result adjustment numerical reservoir model parameter, to improve history matching degree.
11. reservoir numerical simulation devices according to any one of claim 7-10, it is characterized in that, described static parameter comprises: the well location coordinate of every mouthful of well, completion mode, perforating depth, well head, well depth, hole deviation and well track data, the structural configuration of oil reservoir target zone position, log analysis data, seismic interpretation data and layer data, the degree of porosity of target zone position, permeability, oil saturation and original formation pressure parameter, the high pressure property data of rock and fluid in stratum, SEDIMENTARY FACIES ANALYSIS data.
12. reservoir numerical simulation devices according to any one of claim 7-10, it is characterized in that, described dynamic parameter comprises: individual well Production development data, intake profile test data, produce oil section plane test data, water logging log analysis data and manhole are cored data.
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