CN106844811A - A kind of interlayer oil-gas migration based on buoyancy method and the automatic mode for filling - Google Patents
A kind of interlayer oil-gas migration based on buoyancy method and the automatic mode for filling Download PDFInfo
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- CN106844811A CN106844811A CN201510886014.2A CN201510886014A CN106844811A CN 106844811 A CN106844811 A CN 106844811A CN 201510886014 A CN201510886014 A CN 201510886014A CN 106844811 A CN106844811 A CN 106844811A
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Abstract
The invention provides a kind of interlayer oil-gas migration based on buoyancy method and the application process of the automation of filling, including：By the Data Model Designing to exploratory area geologic data and research, then the poly- Quantitative Model of fortune is realized using simplified data model, and then study the oil-gas migration simulation algorithm that many attribute jointly control, and visualize the poly- result of display fortune, in this process, other systems can directly form a software simulation system using the method.The inventive method, using simplified geologic data model, Quantitative study is carried out by the influence factor poly- to fortune, patterned Fast simulation Gas Accumulation is realized with computer, for researcher provides the geological informations such as such as the simulation aggregate amount of oil-gas migration intensity, trap, oil-gas migration track, slot segmentation.
Description
Technical field
The present invention relates to the poly- computational methods field of fortune in Hydrocarbon accumulation process, particularly fortune coalescence fruit and migration path of the oil gas in geologic horizon can be obtained with quantification, and calculate and show by the real-time Simulation that computer realizes system.
Background technology
At present, the dynamic Simulation Techniques of Hydrocarbon accumulation process, as a new and high technology, are to carry out oil-gas exploration, one important means of geological research and aid, are also an important component of geological information.In current oil-gas exploration work, Hydrocarbon accumulation process quantitative simulation technology continues to develop perfect on the basis of inheritable basin simulation, forms the mathematical simulation comprising five histories such as the recovery of Basin Tectonic history, Thermal history, the recovery of strata pressure history, life residence history, Gas Accumulation history and quantitative assessment.The technology not only brings new technical support pattern to current domestic exploration research, also new old area in-depth geological knowledge, reduction oil-gas exploration risk, raising exploration benefit are of great importance, the oil exploration technology focus that countries in the world are paid attention to extensively is increasingly becoming at present.And current various simulation softwards, existence time is long, data prepare the factors such as complexity, simulated operation complexity, it is impossible to which large-scale reality is used, and also limit it and is used in the solid of other comprehensive study fields.
The content of the invention
The invention aims to solve above technical problem, the automatic mode of a kind of interlayer oil-gas migration based on buoyancy method and filling is provided, to realize the quantity of the quickly and easily path of simulation oil-gas migration and migration, and patterned mode shows result, solve data during traditional analog is calculated prepare complicated, the simulation calculating time it is long, cannot effectively figure shows the problems such as.
The purpose of the present invention is realized by following technical solution：
A kind of interlayer oil-gas migration based on buoyancy method and the automatic mode for filling, including geologic data pretreatment process, basic buoyancy method transport poly- algorithm computing simulated technological process, fortune coalescence fruit flow for displaying, trap statistics and evaluation rubric, it is characterized in that：
Flow 1, the geologic data pretreatment system by geological structure layer position data, structural fault data, fluid potential data, geological attribute data etc., by gridding, resampling, vacuates, the conversion operation of the data such as encryption, the more fixed form of form format, the convenient poly- calculating of fortune is used；
Flow 2, it is using pretreated every geologic data that the basic buoyancy method transports poly- algorithm computing simulation, calculated by the interlayer simulation of oil-gas migration and accumulation based on buoyancy method, to calculate the oil-gas migration situation of each geological structure layer position, the data such as oil-gas migration amount, migration intensity, migration path, trap aggregate amount are obtained；
Flow 3, the fortune coalescence fruit shows, is, the various data files after the poly- simulation of fortune is calculated, to be shown in software interface by way of two dimension or 3-D graphic, and system carries out various operations to figure, including superposition, shearing, rotation, scaling, import, derive；
Flow 4, described trap statistics and evaluation, are exactly, by the display of figure, intuitively to obtain the hydrocarbon trap situation in different configuration layer position, the quantitative data of trap are obtained, while the evaluation of trap data can be carried out.
Interlayer oil-gas migration of the present invention based on buoyancy method and the automatic mode for filling, simulation calculating based on buoyancy method and hydrocarbon charge are considered together, and simplify treatment and the application mode of geologic data, software realization is provided for user carries out quick reservoir forming modeling, while the evaluating for statistics that oil-gas migration also achieves user's rear trap poly- to fortune with filling provides the approach realized.Using the present invention, quick oil-gas migration and filling are realized, expanded the oil-gas reservoir migration application mode of quantification, oil-gas reservoir is migrated qualitatively and quantitatively has carried out effective combination.
Brief description of the drawings
Fig. 1 is the automatic mode flow chart of interlayer oil-gas migration of the present invention based on buoyancy method and filling；
Fig. 2 is that the algorithm of oil-gas migration of the present invention based on buoyancy method realizes flow chart；
Fig. 3 is the migration flow chart in oil-gas migration algorithm of the present invention based on buoyancy method；
Fig. 4 is the trap filling flow chart in oil-gas migration algorithm of the present invention based on buoyancy method.
Specific embodiment
To enable above and other objects, features and advantages of the invention to become apparent, it is cited below particularly go out preferred embodiment, and coordinate institute's accompanying drawings, be described in detail below.
A kind of interlayer oil-gas migration based on buoyancy method and the automatic mode for filling, including geologic data pretreatment process, basic buoyancy method transport poly- algorithm computing simulated technological process, fortune coalescence fruit flow for displaying, trap statistics and evaluation rubric, wherein：
The geologic data pretreatment process is the relevant data that will be provided, such as geological structure layer position data, structural fault data, fluid potential data, geological attribute data etc., by gridding, resampling, vacuate, the conversion operation of the data such as encryption, the more fixed form of form format, the convenient poly- calculating of fortune is used；
The basic buoyancy method transports poly- algorithm computing simulated technological process, it is using pretreated every geologic data file, calculated by the interlayer simulation of oil-gas migration and accumulation based on buoyancy method, to calculate the oil-gas migration situation of each geological structure layer position, the data files such as oil-gas migration amount, migration intensity, migration path, trap aggregate amount are obtained；
The fortune coalescence fruit flow for displaying, it is the various data files after the poly- simulation of fortune is calculated, shown in software interface by way of two dimension or 3-D graphic, and system can carry out various operations to figure, including superposition, shearing, rotation, scaling, import, derive；
Described trap statistics and evaluation rubric, are exactly, by the display of figure, intuitively to obtain the hydrocarbon trap situation in different configuration layer position, the quantitative data of trap are obtained, while the evaluation of trap data can be carried out.
Key step is as follows：
Step 1, some the geological structure data collected, including tectonic level data, layer data, permeability data, fluid potential data, deposition phase data, is processed by preprocessor system, obtains being adapted to the poly- data form for calculating of fortune；
Step 2, user calculates by the way that fortune is poly-, and user can carry out the setting of geological property to control to transport the result of poly- calculating before the computation, for example by controlling opening and closing and the opening and closing ratio of tomography, to obtain each layer of result data of the oil-gas migration of position, the oil-gas migration amount, migration intensity, real-time migration path, the aggregate amount of trap including each geologic horizon etc.；
Step 3, fortune coalescence fruit out after, by trap and the poly- graphic display system of fortune, can not only graphically illustrate result data, and also overlapping can be carried out with initial geological attribute data and show, improve the credibility of information.
As shown in figure 1, Fig. 1 is a kind of interlayer oil-gas migration based on buoyancy method of the invention flow chart total with the automatic mode of filling.In step 101, user imported into every geologic data file that exploratory area needs in system by being input into platform.Flow enters into step 102.
In step 102, by data prediction function, the original geologic data for importing is processed accordingly, obtained the suitable data file of form, flow is entered into step 103
In step 103, now enter in the poly- specific algorithm of fortune, mainly for different stratum, the poly- supplemental characteristic of adjustment fortune carries out user intervention including layer data, layer attribute data etc..Flow enters into step 104
In step 104, carry out transporting poly- calculating, by a point Different Strata, the type of different hydrocarbon in algorithm, calculate path and the quantity of the migration of oily gentle difference, form all kinds of performance datas.Flow enters into step 105
In step 105, by the three-dimensional of software or two bit pattern display functions, the destination file that step 4 is obtained is shown, while statistics and appraisal of trap etc. can be carried out by result data files.
Fig. 2 is that the main algorithm of the oil-gas migration based on buoyancy method of the invention realizes flow chart, main flow method entrance function in a program is TraceOneType, input data in this function is the Hydrocarbon yield of geological structure data each cell obtained by Primary Stage Data pretreatment process, geological structure elevation where judging unit lattice and annihilate situation, then by the constraint of specific each condition, row hydrocarbon path of the Hydrocarbon yield of obtaining unit lattice between architectonic unit lattice, while judging position and size and the oil reserve of each trap, complete to be filled in the oil mass of specific trap, overall row's hydrocarbon path, trap position, trap size, trap oil reserve is calculated and finished；
Fig. 3 is the specific migration flow chart in the oil-gas migration algorithm based on buoyancy method,By the various information of main flow obtaining unit lattice,The normal information and dredging property of judging unit lattice position P points,Reposition this P point in two kinds of situation respectively,Judge this P point whether in the cell at place respectively again,If,The migration quantity of cell moves to this new P points position,If not existing,8 of this cell periphery are looked for close on the cell that cell meets the poly- condition of fortune,Reset new cell,Then both above situation all goes to migration quantity and moves to this flow in this new cell,The boundary formation coordinate and elevation status of new point are judged simultaneously,If the elevation peak in region,Then judge that this cell is a unit for being suitable as trap,Repositioned otherwise in this new cell P points it is new during；
Fig. 4 is the trap filling flow chart in the oil-gas migration algorithm based on buoyancy method, by after the flow migrated above, obtain filling unit and the oil column height in current cell, the trap for having been formed that inquiry this element lattice close on, find current trap, obtain the various information of all of trap unit of current this trap, at the same judge geological structure cell now into oil sources quantity it is whether enough（Whether i.e. current trap unit is large enough to hold）It is enough, oil sources amount is filled to each trap unit of current trap and changes the oil mass information of trap simultaneously, not enough, oil sources amount is filled to each trap unit of current trap and changes the oil mass information of trap simultaneously, this new cell is got off as a trap unit record in trap and the trap element number in current trap increases.
Claims (1)
1. a kind of interlayer oil-gas migration based on buoyancy method and the automatic mode for filling, including geologic data pretreatment process, the poly- algorithm computing simulated technological process of basic buoyancy method fortune, transport coalescence fruit flow for displaying, trap statistics and evaluation rubric, it is characterized in that：
Flow 1, the geologic data pre-treatment step is will to include geological structure layer position data, structural fault data, fluid potential data and geological attribute data, by including gridding, resampling, vacuate and encrypt conversion operation, form the form for being adapted to the poly- calculating of fortune；
Flow 2, it is the oil-gas migration situation for calculating each geological structure layer position by the interlayer simulation of oil-gas migration and accumulation based on buoyancy method using foregoing pretreated every geologic data that the basic buoyancy method transports poly- algorithm computing simulation steps, and acquisition includes the data file of oil-gas migration amount, migration intensity, migration path and trap aggregate amount；
Flow 3, the fortune coalescence fruit step display, be the various data after the poly- simulation of fortune is calculated by two dimension or 3-D graphic by way of shown in interface, and system also carries and figure is carried out to include superposition, shearing, rotation, scaling, importing and derived various operational orders；
Flow 4, described trap statistics and evaluation procedure are shown by former figures, intuitively obtain the hydrocarbon trap situation in different configuration layer position, the quantitative data of trap are obtained, while carrying out the evaluation of trap data.
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Citations (3)
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| US7725266B2 (en) * | 2006-05-31 | 2010-05-25 | Bp Corporation North America Inc. | System and method for 3D frequency domain waveform inversion based on 3D time-domain forward modeling |
| CN103698494A (en) * | 2013-12-30 | 2014-04-02 | 中国石油大学(北京) | Method and device for determining saturation degree of hydrocarbon in lithologic trap |
| CN104912548A (en) * | 2014-03-13 | 2015-09-16 | 中国石油化工股份有限公司 | Oil reservoir prediction method in different pressure environments on basis of dynamic analysis |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7725266B2 (en) * | 2006-05-31 | 2010-05-25 | Bp Corporation North America Inc. | System and method for 3D frequency domain waveform inversion based on 3D time-domain forward modeling |
| CN103698494A (en) * | 2013-12-30 | 2014-04-02 | 中国石油大学(北京) | Method and device for determining saturation degree of hydrocarbon in lithologic trap |
| CN104912548A (en) * | 2014-03-13 | 2015-09-16 | 中国石油化工股份有限公司 | Oil reservoir prediction method in different pressure environments on basis of dynamic analysis |
Non-Patent Citations (1)
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| 孙旭东 等: "基于陆相断陷盆地的油气运聚模拟", 《西安石油大学学报(自然科学版)》 * |
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Application publication date: 20170613 |