CN104729445A - Estuary dam geometrical morphology measuring method - Google Patents
Estuary dam geometrical morphology measuring method Download PDFInfo
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- CN104729445A CN104729445A CN201510107749.0A CN201510107749A CN104729445A CN 104729445 A CN104729445 A CN 104729445A CN 201510107749 A CN201510107749 A CN 201510107749A CN 104729445 A CN104729445 A CN 104729445A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
Abstract
The invention discloses an estuary dam geometrical morphology measuring method. The method includes the following steps that firstly, a prototype geologic model is determined according to measuring region geological data, a physical model is established according to the similarity theory of sedimentary physical simulation, an experimental scheme is designed accordingly, an experiment is carried out on the basis of the experimental scheme and the sedimentation process is controlled; secondly, the sedimentation result is researched through a section cutting method, the position of an estuary dam is determined, length and width data of the estuary dam and the extended distance of the lake shoreline are measured, a planar distribution diagram of the estuary dam is drawn, and thickness data of the estuary dam are measured in combination with the section; thirdly, linear correlation analysis is conducted on the obtained length-thickness and length-width data of the estuary dam; fourthly, modern sedimentation estuary dam length and width data measured on the basis of satellite photos are obtained, statistical analysis is conducted on the modern sedimentation estuary dam length and width data, and a research area estuary dam length-width empirical formula is established by synthesizing water tank simulation and modern sedimentation measuring results. The method has the advantage of being capable of guiding exquisite configuration anatomy of a work area estuary dam and can be widely applied to the technical field of reservoir description.
Description
Technical field
The present invention relates to Reservoir description field, particularly relate to a kind of mouth bar geometric shape measuring method.
Background technology
Deposition physical simulation techniques (also known as tank simulation) originated from for 19 end of the centurys, it is the important branch of sedimentology research field, nowadays apply in oilfield explorating developing process more and more, solve sedimentology theoretical with production practical problems, comprise sedimentary system formed dissect with Distribution Pattern, sand body forming process and Evolution, sand body interior architectural applications, practical problems that intrafomational heterogeneity and remaining oil distribution etc. are concrete.Foreign scholar simulates all kinds of sedimentary system by experiment, and domestic scholars have also been made large quantity research.
Reservoir architecture analysis theories originates from the 60 to 70's of eighties of last century, has defined outcrop, made ground so far to the multiple research method such as ground penetrating radar, sedimentary simulating experiment.Chinese scholars has carried out a large amount of configuration research work comprising outcrop, dense well pattern dissection to mouth bar reservoir.To mouth bar research in ancient times, Reynolds (1999) thinks that mouth bar length is the twice of width, Lowry (1989) etc. find single mouth bar length/thickness by research of appearing in a large number, length/width has good correlativity, establishes experimental formula.Tye (2004) have collected the dimensional data of the modern mouth bar in Atchafalaya delta, the Gulfian and Colville, Sagavanirktok and Kuparuk river, Alaska.Data display dam width is 0.1 to 3km, and dam length is from 0.14km to maximal value 7km.Also have scholar to utilize multidirection horizontal wellhole porosity data, ask for also matching plane reservoir variogram thus determine mouth bar length and width.Different researchers is studied mouth bar length and width data from different perspectives, and the result obtained differs greatly, and illustrates to there is dispute to the understanding of the actual scale of mouth bar.
In view of mouth bar scale understanding Problems existing, urgently study a kind of method of more objective, direct, Measurement accuracy mouth bar geometric shape.
Summary of the invention
The object of the invention is the deficiency in order to overcome above-mentioned background technology, a kind of mouth bar geometric shape measuring method is provided, there are the mouth bar length and width data of comprehensive modeling experiment in water tank and satellite photo acquisition, analyze mouth bar geometric shape linear dependence, set up experimental formula, thus the feature that mouth bar meticulous configuration in work area is dissected can be instructed.
A kind of mouth bar geometric shape measuring method provided by the invention, comprise the steps: step one, according to measured zone geologic information determination prototype geologic model, similarity theory according to deposition physical simulation sets up physical model, and then contrived experiment scheme, experimental program basis is carried out test and control deposition process; Step 2, the method for having tested rear employing sectility face are studied deposition results, determine mouth bar position, measure mouth bar length and width data and lake strandline extended distance, draw mouth bar flat distribution map, in conjunction with profile survey mouth bar thickness data; Step 3, the river mouth dam length obtained-thick, length-wide data are carried out linear dependence analysis; Step 4, obtain based on satellite photo measure made ground mouth bar length and width data and statistical study, integrated water channel mould fits made ground measurement result and sets up river mouth, study area dam length-wide experimental formula.
In technique scheme, in described step one, described prototype geologic model comprises structure, stratum and sedimentation type, described experimental program comprise determine deposit physical simulation experiment boundary condition, thing source feature, water time, flow, add sand amount, lake stage and removable bottom controlled quentity controlled variable.
In technique scheme, in described step one, experimental program basis is carried out test and to carry out control procedure to deposition process as follows: according to delta, study area area, design tank length Lm=9m, width W m=6m, wherein the engineer's scale in X, Y and Z tri-directions is respectively 1:1000,1:1000 and 1:200, described physical model to be variability be 5 distorted model; Study area simulated experiment the design of base, thing source is set in Y-direction 2.5m place, the fixing long 4.5m in river course, wide 0.3m, X-direction uses effective range 0 ~ 6m, Y-direction uses effective range to be 0 ~ 14m, original die bed gradient is by 2 ° ~ 4 ° designs of the actual gradient in work area, fixing river course district gradient 15 ‰, distributary channel district 10 ‰, sedimentary province 5 ‰, from NE (northeast) to SW (southwest) monocline slope spread, be zero to Y=12m place, X-direction take 30cm as interval, and Y-direction take 50cm as interval measurement die bed thickness, and depicts die bed thickness map; Experiment is divided into three depositional stages, each depositional stage all by the period when a river is at its normal level ~ overflow stage ~ period when a river is at its normal level ~ order in low water season carries out, flow velocity, the flow direction, flow, silt content, these parameters of the lake water degree of depth are measured in real time in experimentation, and adopt the method to transported deposit overall process picture recording, the growthform of monitoring clastic sedimentary system and development law.
In technique scheme, in described step 2, experimentally record and describe the sketch map of drawing deposition results is studied in process after having tested, obtain mouth bar distribution approximate location, choose two photos that mouth bar forms front and back, mouth bar particular location is determined in contrast, recycling software iPhotoMeasure measures mouth bar length and width panel data and lake strandline extended distance, and then draw out mouth bar flat distribution map, sand body is dried simultaneously, measure mouth bar thickness data.
In technique scheme, in described step 3, according to the mouth bar length and width data of statistics, after engineer's scale converts, obtain river mouth dam length between 450m to 2.1km, average length is 1.27km, and river mouth dam width is between 300m to 1.5km, on average wide is 0.76km, by analysis, and length and width linear dependence coefficients R
2equal 0.6259.
In technique scheme, in described step 4, utilize Global Satellite photo, statistical study is carried out to made ground mouth bar length and width relation, it is research object that emphasis chooses the mouth bar length and width data being positioned at the Turkana Lake near East African Rift Zone and the measurement of the Lake St.Clair near U.S.'s the Grate Lakes region, analyzes its length and width correlativity as calculated; The data analysis that two kinds of separate sources are measured in comprehensive modeling experiment in water tank and made ground draws mouth bar length and width correlativity and this measured zone mouth bar length and width experimental formula.
Mouth bar geometric shape measuring method of the present invention, there is following beneficial effect: length and width data two kinds of Data Sources that the present invention has fully utilized modeling experiment in water tank and measured based on the made ground of satellite photo, and two kinds of Data Sources all describe mouth bar length breadth ratio regularity better, so the experimental formula drawn on this basis can effectively instruct the meticulous configuration of mouth bar to dissect, provide beneficial support for setting up delta front mouth bar subtle three-dimensional geologic model.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of mouth bar geometric shape measuring method of the present invention;
Fig. 2 is the structural representation of the tank of design in mouth bar geometric shape measuring method step one of the present invention;
Fig. 3 is mouth bar flat distribution map in mouth bar geometric shape measuring method step 2 of the present invention;
Fig. 4 is modeling experiment in water tank length and width statistic histogram in mouth bar geometric shape measuring method step 3 of the present invention;
Fig. 5 is modeling experiment in water tank length-wide quantitative relationship figure in mouth bar geometric shape measuring method step 3 of the present invention;
Fig. 6 be in mouth bar geometric shape measuring method step 4 of the present invention made ground mouth bar based on the length of satellite photo and width measure station diagram;
Fig. 7 is river mouth dam length-wide quantitative relationship figure that add made ground in mouth bar geometric shape measuring method step 4 of the present invention, that reflect mouth bar length breadth ratio experimental formula.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail, but this embodiment should not be construed as limitation of the present invention.
See Fig. 1, mouth bar geometric shape measuring method of the present invention, comprises the steps:
Step one, according to measured zone geologic information determination prototype geologic model, the similarity theory according to deposition physical simulation sets up physical model, and then contrived experiment scheme, experimental program basis is carried out test and control deposition process:
Described prototype geologic model comprises structure, stratum and sedimentation type, described experimental program comprise determine deposit physical simulation experiment boundary condition, thing source feature, water time, flow, add sand amount, lake stage and removable bottom controlled quentity controlled variable;
Experimental program basis is carried out test and to carry out control procedure to deposition process as follows:
According to delta, study area area, design tank length Lm=9m, width W m=6m, wherein the engineer's scale in X, Y and Z tri-directions is respectively 1:1000,1:1000 and 1:200, described physical model to be variability be 5 distorted model;
Study area simulated experiment the design of base, thing source is set in Y-direction 2.5m place, the fixing long 4.5m in river course, wide 0.3m, X-direction uses effective range 0 ~ 6m, Y-direction uses effective range to be 0 ~ 14m, original die bed gradient is by 2 ° ~ 4 ° designs of the actual gradient in work area, fixing river course district gradient 15 ‰, distributary channel district 10 ‰, sedimentary province 5 ‰, from NE to SW monocline slope spread, be zero to Y=12m place, X-direction take 30cm as interval, and Y-direction take 50cm as interval measurement die bed thickness, and depicts die bed thickness map;
Experiment is divided into three depositional stages, each depositional stage all by the period when a river is at its normal level ~ overflow stage ~ period when a river is at its normal level ~ order in low water season carries out, flow velocity, the flow direction, flow, silt content, these parameters of the lake water degree of depth are measured in real time in experimentation, and adopt the method to transported deposit overall process picture recording, the growthform of monitoring clastic sedimentary system and development law.
Step 2, the method for having tested rear employing sectility face are studied deposition results, determine mouth bar position, measure mouth bar length and width data and lake strandline extended distance, draw mouth bar flat distribution map, in conjunction with profile survey mouth bar thickness data:
Experimentally record and describe the sketch map of drawing deposition results is studied in process after having tested, obtain mouth bar distribution approximate location, choose two photos that mouth bar forms front and back, mouth bar particular location is determined in contrast, recycling software iPhotoMeasure measures mouth bar length and width panel data and lake strandline extended distance, and then draw out mouth bar flat distribution map, sand body is dried simultaneously, measure mouth bar thickness data.
Step 3, the river mouth dam length obtained-thick, length-wide data are carried out linear dependence analysis:
According to the mouth bar length and width data of statistics, after engineer's scale converts, obtain river mouth dam length between 450m to 2.1km, average length is 1.27km, and river mouth dam width is between 300m to 1.5km, and on average wide is 0.76km, by analysis, and length and width linear dependence coefficients R
2equal 0.6259.
Step 4, obtain based on satellite photo measure made ground mouth bar length and width data and statistical study, integrated water channel mould fits made ground measurement result and sets up river mouth, study area dam length-wide experimental formula:
Utilize Global Satellite photo, statistical study is carried out to made ground mouth bar length and width relation, it is research object that emphasis chooses the mouth bar length and width data being positioned at the Turkana Lake near East African Rift Zone and the measurement of the Lake St.Clair near U.S.'s the Grate Lakes region, analyzes its length and width correlativity as calculated;
The data analysis that two kinds of separate sources are measured in comprehensive modeling experiment in water tank and made ground draws mouth bar length and width correlativity and this measured zone mouth bar length and width experimental formula.
The specific embodiment of mouth bar geometric shape measuring method of the present invention is as follows:
According to step provided by the present invention, first for measured zone geologic background design modeling experiment in water tank scheme, devise original bottom shape as shown in Figure 2, then test according to experimental designs, and timing monitoring is carried out to experimentation, experimentally process sketch map, obtain mouth bar distribution approximate location, choose two photos that mouth bar forms front and back, mouth bar position is determined in contrast, recycling software iPhotoMeasure measures mouth bar length and width panel data and lake strandline extended distance, and then draws out mouth bar flat distribution map (Fig. 3).Under tank simulated conditions, with Plane Scale chi 1:1000, vertical scale 1:200 modeling effort district's deltaic deposit, according to the mouth bar flat distribution map of two phase depositions, discernible mouth bar in statistical experiment process, and obtaining its length and width data, data show, and mouth bar length breadth ratio has regular preferably, long between 45cm to 210cm, wide between 30cm to 150cm, average length is 127cm, wide 76cm (Fig. 4), length and width good relationship, R
2equal 0.6259 (Fig. 5).Convert through engineer's scale, obtaining mouth bar average length is 1.27km, and wide is 0.76km.Utilize Global Satellite photo, statistical study is carried out to made ground mouth bar length and width relation, it is research object that emphasis have chosen the mouth bar length and width data being positioned at the Turkana Lake near East African Rift Zone and the measurement of the Lake St.Clair near U.S.'s the Grate Lakes region, carry out measuring (as following table one) to its mouth bar length and width data, measuring point as shown in Figure 6, carry out Regression Analysis Result to the mouth bar length observed and width data to show, length breadth ratio has good regularity.The mouth bar scale data of comprehensive modeling experiment in water tank and made ground, carries out the wide correlativity of regression analysis Table Milky Way mouth dam length very well to mouth bar length and width data, R
2equal 0.9025, establish mouth bar length breadth ratio experimental formula (Fig. 7).This experimental formula meticulous mouth bar configuration in district that can direct study is utilized to dissect, the auxiliary judgment border of single mouth bar in mouth bar in flakes plane.Provide support for setting up delta front mouth bar subtle three-dimensional geologic model.
The Turkana Lake of table one based on Global Satellite photo and the mouth bar length and width data of U.S. Lake St.Clair
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
The content be not described in detail in this instructions belongs to the known prior art of professional and technical personnel in the field.
Claims (6)
1. a mouth bar geometric shape measuring method, is characterized in that: comprise the steps:
Step one, according to measured zone geologic information determination prototype geologic model, the similarity theory according to deposition physical simulation sets up physical model, and then contrived experiment scheme, experimental program basis is carried out test and control deposition process;
Step 2, the method for having tested rear employing sectility face are studied deposition results, determine mouth bar position, measure mouth bar length and width data and lake strandline extended distance, draw mouth bar flat distribution map, in conjunction with profile survey mouth bar thickness data;
Step 3, the river mouth dam length obtained-thick, length-wide data are carried out linear dependence analysis;
Step 4, obtain based on satellite photo measure made ground mouth bar length and width data and statistical study, integrated water channel mould fits made ground measurement result and sets up river mouth, study area dam length-wide experimental formula.
2. mouth bar geometric shape measuring method according to claim 1, it is characterized in that: in described step one, described prototype geologic model comprises structure, stratum and sedimentation type, described experimental program comprise determine deposit physical simulation experiment boundary condition, thing source feature, water time, flow, add sand amount, lake stage and removable bottom controlled quentity controlled variable.
3. mouth bar geometric shape measuring method according to claim 1, is characterized in that: in described step one, experimental program basis is carried out test and to carry out control procedure to deposition process as follows:
According to delta, study area area, design tank length Lm=9m, width W m=6m, wherein the engineer's scale in X, Y and Z tri-directions is respectively 1:1000,1:1000 and 1:200, described physical model to be variability be 5 distorted model;
Study area simulated experiment the design of base, thing source is set in Y-direction 2.5m place, the fixing long 4.5m in river course, wide 0.3m, X-direction uses effective range 0 ~ 6m, Y-direction uses effective range to be 0 ~ 14m, original die bed gradient is by 2 ° ~ 4 ° designs of the actual gradient in work area, fixing river course district gradient 15 ‰, distributary channel district 10 ‰, sedimentary province 5 ‰, from NE to SW monocline slope spread, be zero to Y=12m place, X-direction take 30cm as interval, and Y-direction take 50cm as interval measurement die bed thickness, and depicts die bed thickness map;
Experiment is divided into three depositional stages, each depositional stage all by the period when a river is at its normal level ~ overflow stage ~ period when a river is at its normal level ~ order in low water season carries out, flow velocity, the flow direction, flow, silt content, these parameters of the lake water degree of depth are measured in real time in experimentation, and adopt the method to transported deposit overall process picture recording, the growthform of monitoring clastic sedimentary system and development law.
4. mouth bar geometric shape measuring method according to claim 1, it is characterized in that: in described step 2, experimentally record and describe the sketch map of drawing deposition results is studied in process after having tested, obtain mouth bar distribution approximate location, choose two photos that mouth bar forms front and back, mouth bar particular location is determined in contrast, recycling software iPhotoMeasure measures mouth bar length and width panel data and lake strandline extended distance, and then draw out mouth bar flat distribution map, sand body is dried simultaneously, measure mouth bar thickness data.
5. mouth bar geometric shape measuring method according to claim 1, it is characterized in that: in described step 3, according to the mouth bar length and width data of statistics, river mouth dam length is obtained between 450m to 2.1km after engineer's scale converts, average length is 1.27km, and river mouth dam width is between 300m to 1.5km, and on average wide is 0.76km, by analysis, length and width linear dependence coefficients R
2equal 0.6259.
6. mouth bar geometric shape measuring method according to claim 1, it is characterized in that: in described step 4, utilize Global Satellite photo, statistical study is carried out to made ground mouth bar length and width relation, it is research object that emphasis chooses the mouth bar length and width data being positioned at the Turkana Lake near East African Rift Zone and the measurement of the Lake St.Clair near U.S.'s the Grate Lakes region, analyzes its length and width correlativity as calculated;
The data analysis that two kinds of separate sources are measured in comprehensive modeling experiment in water tank and made ground draws mouth bar length and width correlativity and this measured zone mouth bar length and width experimental formula.
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| CN108255990A (en) * | 2017-12-29 | 2018-07-06 | 中国石油大学(华东) | A kind of method of the geometric parameter relationship of quantitatively characterizing difference river type river channel sand |
| CN108805982A (en) * | 2018-05-24 | 2018-11-13 | 长江大学 | A kind of distributary channel-river mouth dam type delta front training image method for building up |
| CN109242952A (en) * | 2018-08-14 | 2019-01-18 | 长江大学 | A kind of husky body three-dimensional modeling method and system based on double material resource sink sedimentation experiments |
| CN109991377A (en) * | 2019-04-24 | 2019-07-09 | 长江大学 | The detachable deposition simulation game bottom plate apparatus of one kind and deposition simulation bottom board system |
| CN112147714A (en) * | 2019-06-28 | 2020-12-29 | 中国石油化工股份有限公司 | Estuary dam internal structure analysis method |
| CN112986075A (en) * | 2021-03-04 | 2021-06-18 | 长江大学 | Application of fine particle deposition accelerant in physical deposition simulation experiment |
| CN115983154B (en) * | 2023-01-05 | 2024-03-12 | 中国地质大学（北京） | Physical simulation and deposition numerical simulation integrated experimental research method based on source assembly system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108255990A (en) * | 2017-12-29 | 2018-07-06 | 中国石油大学(华东) | A kind of method of the geometric parameter relationship of quantitatively characterizing difference river type river channel sand |
| CN108805982A (en) * | 2018-05-24 | 2018-11-13 | 长江大学 | A kind of distributary channel-river mouth dam type delta front training image method for building up |
| CN108805982B (en) * | 2018-05-24 | 2021-08-06 | 长江大学 | Method for establishing training image of diversion river channel-estuary dam type delta front edge |
| CN109242952A (en) * | 2018-08-14 | 2019-01-18 | 长江大学 | A kind of husky body three-dimensional modeling method and system based on double material resource sink sedimentation experiments |
| CN109242952B (en) * | 2018-08-14 | 2024-04-16 | 长江大学 | Sand body three-dimensional modeling method and system based on double-object-source water tank deposition experiment |
| CN109991377A (en) * | 2019-04-24 | 2019-07-09 | 长江大学 | The detachable deposition simulation game bottom plate apparatus of one kind and deposition simulation bottom board system |
| CN112147714A (en) * | 2019-06-28 | 2020-12-29 | 中国石油化工股份有限公司 | Estuary dam internal structure analysis method |
| CN112986075A (en) * | 2021-03-04 | 2021-06-18 | 长江大学 | Application of fine particle deposition accelerant in physical deposition simulation experiment |
| CN115983154B (en) * | 2023-01-05 | 2024-03-12 | 中国地质大学（北京） | Physical simulation and deposition numerical simulation integrated experimental research method based on source assembly system |
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Application publication date: 20150624 |