CN104280764A - Seismic exploration auxiliary data quality control method based on three-dimensional GIS - Google Patents
Seismic exploration auxiliary data quality control method based on three-dimensional GIS Download PDFInfo
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Abstract
The invention provides a seismic exploration auxiliary data quality control method based on three-dimensional GIS, which belongs to the field of seismic exploration and development. According to the method of the invention, three-dimensional GIS is applied on seismic exploration auxiliary data quality control. In combination with high-resolution satellite images and aerial pictures, visual pattern monitoring is performed on the field seismic exploration auxiliary data, thereby improving a data processing efficiency and a data filing quality. The seismic exploration auxiliary data quality control method can improve SPS data processing efficiency and the data filing quality, and furthermore reduces time and manpower cost caused by actual exploration at the construction field.
Description
Technical field
The invention belongs to seismic prospecting and development field, be specifically related to a kind of seismic prospecting auxiliary data method of quality control based on three-dimension GIS.
Background technology
The main function of seismic prospecting auxiliary data quality control divides two large divisions, one be proceeded to by text, SPS head card and data card that Data Update, batch input, the operation such as relation calculating generate standard format; Two be recording geometry display is carried out to the SPS file of standard format of input, planimetric position display, the display of various curve carry out graphics mode analysis, and carry out omnibearing quality monitoring by the audit function of form and corresponding relation to SPS file.
The seismic prospecting assistance data format that current oily company main in the world all adopts SEG to recommend, wherein SPS form is the standard be most widely used at present.SPS form is formulated with reference to the Shell Oil Co. (Shell), is the international standard that exploration geophysics man association of the U.S. (SEG) is recommended to industry.At present most popular form in the world, extensively compatible by seismic instrument, acquisition and processing software, be standardized common data Interchange Format.
Along with the fast development of petroleum exploration and development technology, the application of high density large number of channels 3-d seismic exploration is increasing, simultaneously domestic exploration acreage gradually from surface conditions simply to transition the complex near surface conditionss such as mountain front, existing standard can not meet the requirement of production, and after repeatedly examining, Sinopec has promulgated the company standard of " land seismic exploration assistance data format ".This cover standard provides foundation for solving the problem surpassing ten thousand road standard formats, has increased his-and-hers watches layer data format specification newly simultaneously.
Acquisition software well-known both at home and abroad provides the support of the earthquake auxiliary data to SPS standard at present, but just some simple read functions, lack the Quality Control Function to these earthquake auxiliary datas, can not provide and arrange and Quality Control to large number of channels earthquake data acquisition and to the seismologic record of wide line, overlength document number, virtual three-dimensional terrain scene also cannot be utilized to arrange achievement to SPS and verify.
Summary of the invention
The object of the invention is to solve the difficult problem existed in above-mentioned prior art, a kind of seismic prospecting auxiliary data method of quality control based on three-dimension GIS is provided, the high-resolution satellite image in the construction work area utilizing Google Earth to provide and picture of taking photo by plane, by in conjunction with atural object, the morphologic characteristics in this construction work area, field seismic prospecting auxiliary data is loaded, edits, data check and graphic monitoring, improve SPS data treatment effeciency and data filing quality, and reduce that working-yard is actual prospects brought time and human cost.
The present invention is achieved by the following technical solutions:
A kind of seismic prospecting auxiliary data method of quality control based on three-dimension GIS, three-dimension GIS is used in the quality control of seismic prospecting auxiliary data, in conjunction with high-resolution satellite image and picture of taking photo by plane, graphic monitoring is intuitively carried out to field earthquake seismic prospecting auxiliary data, to improve data treatment effeciency and data filing quality.
Described method comprises:
(1) judge (no matter data type is 2D or 3D to data type, is as broad as long in its processing procedure below, judges that type is only submitted to as the essential information in work area.)；
(2) generate, proceed to or more new data: the data data inputted with noncanonical format being converted to standard format according to the data standard of head card data, shot point card data, geophone station card data, relation card data and comment card data; More new data is that the shot point card data of generation are become WGS-84 latitude and longitude coordinates with Beijing 54 Conversion projection coordinate of geophone station card data, and adopts the analysis mode based on stream to convert described shot point card data and geophone station card data to KML formatted data; If big gun examines coordinate and physical presence relatively large deviation, examine coordinate by edit-modify big gun;
(3) head card data step (2) generated, shot point card data, geophone station card data, relation card data and comment card data carry out taxonomic revision (according to the form of regulation in table 1,2, utilizing form to carry out Pagination Display according to the way to manage of table page to different types of data);
(4) data in step (3) are checked, if data are wrong, then return step (2) and carry out more new data, if data inerrancy, then proceed to step (5);
(5) the SPS file of the data genaration standard format of standard format step (2) obtained, described SPS file comprises shot-file, geophone station file, relational file and comment file and (namely according to form shown in table 1, table 2, data is output into text, for " horizontal ordinate of physical points ", in text, present position is between 47-55 row for they, and its storage format is float type) (namely following the form shown in table 1, table 2);
(6) the SPS file that step (5) generates is checked, if wrong, then return step (2), if inerrancy, then proceed to step (7);
(7) big gun of KML form being examined data is directly deployed on the three-dimensional earth: exporting SPS performance data with on the three-dimensional high-definition image earth, namely exports and follows the standard SPS form performance data shown in table 1, table 2.
Utilize the KML resolver based on stream that the big gun in SPS file is examined coordinate carry out changing and be output into KML formatted file in described step (2).
Data are wrong in described step (4) judges like this: by conjunction with the high-definition digital image in three-dimension GIS and terrestrial object information, shot point and geophone station are loaded in three-dimensional artificial scene, intuitively distribution inspection is examined to big gun, if find situation about not being inconsistent with practice of construction, be then judged as that data are wrong.
The described SPS file generated step (5) in described step (6) carries out inspection to be comprised geophone station continuity check, repeats big gun inspection, measurement data inspection, file comparison check, formatted file inspection and files in batch inspection.
Compared with prior art, the invention has the beneficial effects as follows:
(1) the present invention realizes freely changing between 3-d seismic exploration auxiliary data SPS form and landmark KML form innovatively;
(2) the inventive method utilizes high-resolution satellite image and to take photo by plane picture, by conjunction with atural object, the morphologic characteristics in this construction work area, loads, edits field seismic prospecting auxiliary data, data check and graphic monitoring;
(3) apply the inventive method and can improve SPS data treatment effeciency and data filing quality, and reduce that working-yard is actual prospects brought time and human cost.
Accompanying drawing explanation
Fig. 1 is the step block diagram of the inventive method.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail:
The invention provides a kind of seismic prospecting auxiliary data method of quality control based on three-dimension GIS, belong to Petroleum finance field.The inventive method comprises: the land 3-d seismic exploration assistance data format of (1) multi version is resolved and batch input (" generate, proceed to or the more new data " step in corresponding diagram 1); (2) set up global geographic projection coordinate system conversion layer, realize shot point and geophone station from Beijing 54 to the conversion of the coordinate system of WGS84; (3) big gun of resolving in seismic prospecting assistance data format is examined data and convert the KML formatted file that Google Earth can identify to; (4) big gun of KML form being examined data is directly deployed on the three-dimensional earth, is checking SPS performance data with on the three-dimensional high-definition image earth; (5) the SPS standard utilizing China Petrochemical Industry new exports arrangement achievement.
As described in Figure 1, the inventive method is specific as follows:
(1) the land 3-d seismic exploration assistance data format of multi version is resolved and batch input
Seismic prospecting assistance data format (Seismic Processing Support Format for Surveys), be called for short SPS form, being the seismic prospecting auxiliary data that shooting crew gathered carries out as a kind of general standard (form) form that stores Yu exchange.Along with the upgrading SPS form of exploration engineering is also upgraded thereupon, current Application comparison widely form comprises: SEG standard SPS1.0, SPS2.1 and China Petrochemical Industry standard SPS+, Q/SH0403-2011 form.
For these miscellaneous format standards, design can adapt to the data model of various SPS standard, comprises a snap gauge type, snap gauge type examined by big gun, relation snap gauge type and comment card model.Set up SPS data-driven layer, the configuration file becoming computing machine to identify SPS standard conversion, by initial row of each domain name number in a record, end column number, data layout, maximin and arrange as cfg internal file to its mode, the batch realizing SPS data is resolved, and can realize freely changing between various criterion formatted data.
(2) conversion between land 3-d seismic exploration assistance data format and markup language KML form
At present, in domestic field seismic prospecting construction, big gun is examined coordinate and is generally used BJ54 Coordinate System system, and what the three-dimensional earth adopted is WGS84 latitude and longitude coordinates system.Realize the conversion between SPS data and KML data, first realize the conversion between Beijing 54 projection coordinate and WGS-84 latitude and longitude coordinates.Determine the earth's spheroid parameter of Beijing 54 and WGS-84 two kinds of coordinate systems, geodetic level parameter and map projection's parameter, after utilizing Proj.4 space coordinate conversion library initialization to create Beijing 54 and WGS-84 coordinate system, call coordinate conversion function and realize Beijing 54 Conversion projection coordinate and become WGS-84 latitude and longitude coordinates.
Then, convert the feature of KML form to for SPS, select the analysis mode based on stream and encapsulate the read-write that KML resolver class realizes KML.First the reception line of mode to whole work area of two-dimensional array traversal is adopted to travel through, a certain reception line is found by receiving wire size, then, in the process traveled through the acceptance point on this reception line, resolver class is used to be carried out changing by each point coordinate and output in KML formatted file.
(3) based on the Quality Control inspection of the seismic prospecting auxiliary data of the three-dimensional earth
Utilize free Google Earth software, the KML formatted data that SPS conversion generates directly is loaded into dimensionally in the scape of court, the high-definition digital photomap free in a large number utilizing Google Earth to provide, construction group leader can get information about rapidly the situation of all kinds of barrier such as topography and geomorphology, highway, river of construction block, and can adjust arrangement and method for construction in time according to actual requirement.Finally, specified format standard (SEG standard SPS1.0, SPS2.1 and China Petrochemical Industry standard SPS+, Q/SH0403-2011) is selected to carry out the standardization batch signatures of performance data by interactive mode.
The big gun of KML form being examined data is directly deployed on the three-dimensional earth, is checking SPS performance data with on the three-dimensional high-definition image earth;
An embodiment of the inventive method is as follows:
The first step, land 3-d seismic exploration assistance data format is resolved
The form that 3-d seismic exploration assistance data format is resolved comprises: SEG standard SPS1.0, SPS2.1 and China Petrochemical Industry standard SPS+, Q/SH0403-2011, and can realize freely changing between various criterion formatted data.By the table of comparisons 1 and table 2, design can adapt to the data model of various SPS standard, comprises a snap gauge type, snap gauge type examined by big gun, relation snap gauge type and comment card model.Set up SPS data-driven layer, the configuration file becoming computing machine to identify SPS standard conversion, by initial row of each domain name number in a record, end column number, data layout, maximin and arrange as cfg internal file its mode, the batch realizing SPS data is resolved.
Second step, sets up global geographic projection coordinate system conversion layer, realizes shot point and geophone station from Beijing 54 to the conversion of the coordinate system of WGS84;
First, the earth's spheroid parameter of Beijing 54 and WGS-84 two kinds of coordinate systems, geodetic level parameter and map projection's parameter is determined.Then, after utilizing Proj.4 space coordinate conversion library initialization to create Beijing 54 and WGS-84 coordinate system, call coordinate conversion function and realize Beijing 54 Conversion projection coordinate and become WGS-84 latitude and longitude coordinates.
3rd step, examines data and converts the KML formatted file that Google Earth can identify to by the big gun of resolving in seismic prospecting assistance data format;
Convert the feature of KML form for SPS to, select the analysis mode based on stream and encapsulate the read-write that KML resolver class realizes KML formatted data.First the reception line of mode to whole work area of two-dimensional array traversal is adopted to travel through, a certain reception line is found by receiving wire size, then, in the process traveled through the acceptance point on this reception line, output function is used to be carried out changing by each point coordinate and output in kml formatted file.
4th step, examines data and is directly deployed on the three-dimensional earth by the big gun of KML form, checking SPS performance data with on the three-dimensional high-definition image earth;
Utilize Google Earth software, the KML formatted data that SPS conversion generates directly is loaded into dimensionally in the scape of court, the high-definition digital photomap free in a large number utilizing Google Earth to provide, construction group leader can get information about rapidly the situation of all kinds of barrier such as topography and geomorphology, highway, river of construction block, and can adjust arrangement and method for construction in time according to actual requirement.
5th step, the SPS standard utilizing China Petrochemical Industry new exports arrangement achievement.
The SPS data of various standard and noncanonical format in step (1) are mainly converted to the inner structure data that this computing machine can identify by this step, select specified format standard (SEG standard SPS1.0, SPS2.1 and China Petrochemical Industry standard SPS+, Q/SH0403-2011) to carry out the standardization batch signatures of performance data by interactive mode.
Table 1 is land 3-d seismic exploration auxiliary data standard point record format.
Table 1
Table 2 is land 3-d seismic exploration auxiliary data standard relationship record format
Table 2
Technique scheme is one embodiment of the present invention, for those skilled in the art, on the basis that the invention discloses application process and principle, be easy to make various types of improvement or distortion, and the method be not limited only to described by the above-mentioned embodiment of the present invention, therefore previously described mode is just preferred, and does not have restrictive meaning.
Claims (5)
1. the seismic prospecting auxiliary data method of quality control based on three-dimension GIS, it is characterized in that: three-dimension GIS uses in the quality control of seismic prospecting auxiliary data by described method, in conjunction with high-resolution satellite image and picture of taking photo by plane, graphic monitoring is intuitively carried out to field earthquake seismic prospecting auxiliary data, to improve data treatment effeciency and data filing quality.
2. the seismic prospecting auxiliary data method of quality control based on three-dimension GIS according to claim 1, is characterized in that: described method comprises:
(1) data type is judged;
(2) generate, proceed to or more new data: the data data inputted with noncanonical format being converted to standard format according to the data standard of head card data, shot point card data, geophone station card data, relation card data and comment card data; More new data is that the shot point card data of generation are become WGS-84 latitude and longitude coordinates with Beijing 54 Conversion projection coordinate of geophone station card data, and adopts the analysis mode based on stream to convert described shot point card data and geophone station card data to KML formatted data; If big gun examines coordinate and physical presence relatively large deviation, examine coordinate by edit-modify big gun;
(3) head card data step (2) generated, shot point card data, geophone station card data, relation card data and comment card data carry out taxonomic revision;
(4) check the data in step (3), if data are wrong, then the position coordinates returning step (2) cautious to big gun carries out dynamic conditioning, if data inerrancy, then proceeds to step (5);
(5) the SPS file of the data genaration standard format of standard format step (2) obtained, described SPS file comprises shot-file, geophone station file, relational file and comment file;
(6) the SPS file that step (5) generates is checked, if wrong, then return step (2), if inerrancy, then proceed to step (7);
(7) big gun of KML form being examined data is directly deployed on the three-dimensional earth: exporting SPS performance data with on the three-dimensional high-definition image earth.
3. the seismic prospecting auxiliary data method of quality control based on three-dimension GIS according to claim 2, is characterized in that: be utilize the KML resolver based on stream that the big gun in SPS file is examined coordinate carry out changing and be output into KML formatted file in described step (2).
4. the seismic prospecting auxiliary data method of quality control based on three-dimension GIS according to claim 2, it is characterized in that: data are wrong in described step (4) judges like this: by conjunction with the high-definition digital image in three-dimension GIS and terrestrial object information, shot point and geophone station are loaded in three-dimensional artificial scene, intuitively distribution inspection is examined to big gun, if find situation about not being inconsistent with practice of construction, be then judged as that data are wrong.
5. the seismic prospecting auxiliary data method of quality control based on three-dimension GIS according to claim 2, is characterized in that: the described SPS file generated step (5) in described step (6) carries out inspection to be comprised geophone station continuity check, repeat big gun inspection, measurement data inspection, file comparison check, formatted file inspection and files in batch inspection.
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| CN105989627A (en) * | 2015-01-30 | 2016-10-05 | 中国石油化工股份有限公司 | Indoor-outdoor field reconnaissance method and system thereof |
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| CN112632005A (en) * | 2019-10-08 | 2021-04-09 | 中国石油化工股份有限公司 | Seismic data calculation method and system based on MPI |
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| CN112632005A (en) * | 2019-10-08 | 2021-04-09 | 中国石油化工股份有限公司 | Seismic data calculation method and system based on MPI |
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