CN109637324B - Method for recovering original stripe layer occurrence - Google Patents
Method for recovering original stripe layer occurrence Download PDFInfo
- Publication number
- CN109637324B CN109637324B CN201811551679.8A CN201811551679A CN109637324B CN 109637324 B CN109637324 B CN 109637324B CN 201811551679 A CN201811551679 A CN 201811551679A CN 109637324 B CN109637324 B CN 109637324B
- Authority
- CN
- China
- Prior art keywords
- vector
- original
- attitude
- rock stratum
- coordinate system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/40—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for geology
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Geology (AREA)
- Mathematical Optimization (AREA)
- Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Algebra (AREA)
- Computational Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Mathematical Analysis (AREA)
- Geochemistry & Mineralogy (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a method for recovering original stripe layer attitude, which comprises the following steps: measuring dip angles and tendencies of the rock stratum attitude and the current stratum attitude respectively; establishing a Cartesian coordinate system, and respectively representing the dip angle and the inclination of the rock stratum attitude and the current vein layer attitude in the Cartesian coordinate system through line segments to obtain a rock stratum line segment and a vein layer line segment; connecting the end points of the rock stratum line segment and the striation layer line segment on the re-Cartesian coordinate system to obtain an original line segment; and finally, obtaining the original texture layer appearance according to the parallel original line segments obtained in the step 3. The method utilizes the vector synthesis principle of high school, uses the triangle rule to recover the original texture layer appearance, and has simple principle; and the accuracy is high.
Description
Technical Field
The invention relates to restoration of original attitude of a stripe layer in ancient water flow research in the field of geology, in particular to a method for restoring the original attitude of the stripe layer.
Background
The method of the stripe occurrence in the stratum is often used in the research of the direction of the ancient water flow of sedimentary rock, but the occurrence of the original stripe is greatly changed after the original stripe is subjected to later tectonic movement. Therefore, to study the ancient water flow through the texture layer appearance, the texture layer appearance measured at present needs to be restored to reflect the texture layer appearance measured at the deposition time. The existing method mainly uses the Chipingh projection principle and utilizes Wu's network to manually draw; however, the theory of the horizontal projection is abstract, and students are difficult to associate the horizontal projection with the geological features which are generated and changed by the striation layer for classroom teaching; the graphical method is tedious and time-consuming, particularly the Wu's network is needed when the Chiping projection diagram is drawn manually, the accuracy is poor, and the accuracy of the ancient water flow research is not high.
Disclosure of Invention
The invention mainly overcomes the defects in the prior art and provides the method for recovering the original pattern layer attitude, which is simple to operate and high in accuracy.
The technical scheme provided by the invention for solving the technical problems is as follows: a method for recovering from original stripe layer occurrence, comprising the following steps:
step 1, respectively measuring dip angles and tendencies of a rock stratum attitude and a current streak layer attitude;
step 2, establishing a Cartesian coordinate system, and respectively representing the dip angle and the inclination of the rock stratum attitude and the current pit attitude in the Cartesian coordinate system through vectors starting from an origin to obtain a rock stratum vector and a pit vector, wherein the length of the vector represents the dip angle, and the azimuth of the vector represents the inclination;
step 3, connecting the end points of the rock stratum vector and the vein layer vector on the Cartesian coordinate system to obtain an original vector, wherein the direction of the original vector points to the end point of the vein layer vector from the end point of the rock stratum vector;
and 4, finally, obtaining the original texture layer occurrence according to the parallel original vectors obtained in the step 3.
The further technical scheme is that the abscissa in the Cartesian coordinate system represents the east-west direction, and the ordinate represents the north-south direction; the length of the coordinate axis represents the tilt angle.
The further technical scheme is that the length of the vector in the step 2 represents an inclination angle, and the azimuth angle of the vector represents a tendency.
The further technical scheme is that the specific process of the step 4 is as follows: and taking the original vector and the rock stratum vector as two sides, making a parallelogram on a Cartesian coordinate system to obtain a parallel original vector and a parallel rock stratum vector, measuring the length and the azimuth angle of the parallel original vector on the Cartesian coordinate system, and finally obtaining the inclination angle and the inclination of the attitude of the original texture layer.
The invention has the beneficial effects that: the method utilizes the vector synthesis principle of high school, uses the triangle rule to recover the original texture layer appearance, and has simple principle; and the accuracy is high.
Drawings
FIG. 1 is a schematic Cartesian coordinate system illustrating an embodiment 1 of the present invention;
FIG. 2 is a schematic view of a formation vector in example 1 of the present invention;
FIG. 3 is a schematic diagram of a stripe layer vector in embodiment 1 of the present invention;
FIG. 4 is a schematic diagram of an original vector in embodiment 1 of the present invention;
fig. 5 is a schematic diagram of parallel original vectors and parallel formation vectors in example 1 of the present invention.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
Example 1
The invention relates to a method for recovering original stripe layer attitude, which comprises the following steps:
step 1, respectively measuring the tendency and inclination angle of the stratum attitude and the current stratum attitude of the vein, and respectively obtaining the stratum attitude of 295 degrees and angle 68 degrees, and the current stratum attitude of the vein of 305 degrees and angle 39 degrees;
step 2, establishing a Cartesian coordinate system (shown in figure 1), wherein the abscissa in the Cartesian coordinate system represents the east-west direction, and the ordinate represents the north-south direction; the length of the coordinate axis represents the inclination angle;
respectively representing the dip angle and the inclination of the formation attitude and the current streak formation attitude in a Cartesian coordinate system through vectors to obtain a formation vector (shown in figure 2) and a streak layer vector (shown in figure 3), wherein the length of the vector represents the dip angle, and the azimuth angle of the vector represents the inclination;
step 3, connecting the end points of the rock stratum vector and the striation layer vector on a Cartesian coordinate system to obtain an original vector (shown in figure 4);
step 4, taking the original vector and the rock stratum vector as two sides, making a parallelogram on a Cartesian coordinate system to obtain a parallel original vector and a parallel rock stratum vector (as shown in figure 5),
and then measuring the length and the azimuth angle of the parallel original vector on a Cartesian coordinate system, and finally obtaining the original stripe layer with the attitude of 102.09 degrees and the angle of 30.36 degrees.
Example 2
The tendency and the inclination angle of the stratum attitude and the current stratum attitude of the vein are respectively measured to respectively obtain the stratum attitude of 94 degrees and angle 53 degrees, the current stratum attitude of the vein is 338 degrees and angle 53 degrees, and then the same steps of the embodiment 1 are adopted to obtain the original stratum attitude of 327.11 degrees and angle 58.38 degrees.
Example 3
The tendency and the inclination angle of the stratum attitude and the current stratum attitude of the grained layer are respectively measured to respectively obtain the stratum attitude of 351 degrees and angle 42 degrees, the current stratum attitude of the grained layer of 15 degrees and angle 31 degrees, and then the same steps of the embodiment 1 are adopted to obtain the original grained layer attitude of 128.21 degrees and angle 18.62 degrees.
Comparative example
Then, according to the rock stratum occurrence data and the current striation layer occurrence data in the above examples 1-3, the original striation layer occurrence is obtained by recovering through Wu's network; the results are given in the following table:
the comparison of the data shows that the difference is small, so that the accuracy of the method is high, and the operation is simple.
Although the present invention has been described with reference to the above embodiments, it should be understood that the present invention is not limited to the above embodiments, and those skilled in the art can make various changes and modifications without departing from the scope of the present invention.
Claims (2)
1. A method for recovering the original stripe layer attitude is characterized by comprising the following steps:
step 1, respectively measuring dip angles and tendencies of a rock stratum attitude and a current streak layer attitude;
step 2, establishing a Cartesian coordinate system, and respectively representing the dip angle and the inclination of the rock stratum attitude and the current pit attitude in the Cartesian coordinate system through vectors starting from an origin to obtain a rock stratum vector and a pit vector, wherein the length of the vector represents the dip angle, and the azimuth of the vector represents the inclination;
step 3, connecting the end points of the rock stratum vector and the vein layer vector on the Cartesian coordinate system to obtain an original vector, wherein the direction of the original vector points to the end point of the vein layer vector from the end point of the rock stratum vector;
step 4, obtaining an original texture layer occurrence shape according to the parallel original vector obtained in the step 3;
the specific process is as follows: and taking the original vector and the rock stratum vector as two sides, making a parallelogram on a Cartesian coordinate system to obtain a parallel original vector and a parallel rock stratum vector, measuring the length and the azimuth angle of the parallel original vector on the Cartesian coordinate system, and finally obtaining the inclination angle and the inclination of the attitude of the original texture layer.
2. The method of claim 1, wherein the cartesian coordinate system has an abscissa representing the east-west direction and an ordinate representing the north-south direction; the length of the coordinate axis represents the tilt angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811551679.8A CN109637324B (en) | 2018-12-19 | 2018-12-19 | Method for recovering original stripe layer occurrence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811551679.8A CN109637324B (en) | 2018-12-19 | 2018-12-19 | Method for recovering original stripe layer occurrence |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109637324A CN109637324A (en) | 2019-04-16 |
| CN109637324B true CN109637324B (en) | 2020-08-28 |
Family
ID=66075232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811551679.8A Expired - Fee Related CN109637324B (en) | 2018-12-19 | 2018-12-19 | Method for recovering original stripe layer occurrence |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109637324B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111794739A (en) * | 2020-07-24 | 2020-10-20 | 西南石油大学 | Original obstetric recovery instrument |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202025180U (en) * | 2011-04-26 | 2011-11-02 | 东北石油大学 | Stereographic projector |
| KR200463225Y1 (en) * | 2012-08-28 | 2012-10-30 | 이종호 | Apparatus for measuring strike and dip |
| CN103514630B (en) * | 2013-10-16 | 2017-02-15 | 北京石油化工学院 | Fault structure three-dimensional modeling method |
| CN105955939A (en) * | 2016-04-27 | 2016-09-21 | 中国石油大学(华东) | Excel-based method for drawing oblique rose diagram of geologic body and geologic elements |
| CN106443813A (en) * | 2016-08-31 | 2017-02-22 | 中国电建集团贵阳勘测设计研究院有限公司 | Live-action shooting device for exploration flat tunnel and high-definition three-dimensional image reconstruction method |
-
2018
- 2018-12-19 CN CN201811551679.8A patent/CN109637324B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN109637324A (en) | 2019-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Pauget et al. | A global approach in seismic interpretation based on cost function minimization | |
| CN110060342B (en) | Three-dimensional curved surface fitting method | |
| CN111650579A (en) | InSAR mining area three-dimensional deformation estimation method and device for rock migration parameter adaptive acquisition and medium | |
| CN109637324B (en) | Method for recovering original stripe layer occurrence | |
| CN111611958A (en) | Method, device and equipment for determining lane line shape in crowdsourcing data | |
| CN103679650A (en) | Core three-dimension image repairing method | |
| CN103995944B (en) | A kind of free air anomaly extreme value unbiased isopleth map method for drafting | |
| CN110675470B (en) | Contour line drawing method and device, computing equipment and readable storage medium | |
| CN111951394A (en) | Fault structure unit three-dimensional model construction method and device based on geological map | |
| CN115830552A (en) | Virtual elevation generation method and device, computer equipment and storage medium | |
| CN108921896A (en) | A kind of lower view vision compass merging dotted line feature | |
| CN110568496B (en) | Ray tracing method under complex medium condition | |
| CN110287974A (en) | A kind of fully-mechanized mining working laser scanning threedimensional model and GIS model fast matching method | |
| CN107907101B (en) | Large ground wire interpolation method based on large ground wire length tolerance constraint | |
| CN108986217B (en) | Multipoint geostatistical modeling method based on pattern vector distance | |
| CN114663612B (en) | High-precision map construction method and device and electronic equipment | |
| CN110910495B (en) | Three-dimensional geometric form restoration method of dome structure | |
| CN108763732B (en) | A kind of shunting sand dam type delta front training image method for building up | |
| CN109507730B (en) | Improved method for determining normal depth of refraction surface | |
| CN110207654A (en) | A kind of tunnel Trigonometric Leveling | |
| CN112417579A (en) | Semantic-constrained planar primitive topological relation rule detection and recovery method | |
| CN111506871A (en) | Radial basis function grid method for constructing sea area perpendicular deviation model based on frequency domain characteristics | |
| CN104834005B (en) | A kind of method for determining geological interface | |
| CN111242857A (en) | Contour line generation optimization method with geological direction characteristics | |
| CN105095634A (en) | Migration velocity model building method based on geological mass |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200828 Termination date: 20211219 |