CN102053271B - Seismic Acquisition Quality Analysis Method and Device - Google Patents
Seismic Acquisition Quality Analysis Method and Device Download PDFInfo
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- CN102053271B CN102053271B CN201010548313A CN201010548313A CN102053271B CN 102053271 B CN102053271 B CN 102053271B CN 201010548313 A CN201010548313 A CN 201010548313A CN 201010548313 A CN201010548313 A CN 201010548313A CN 102053271 B CN102053271 B CN 102053271B
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Abstract
The invention discloses a method and a device for analyzing seismic acquisition quality, wherein the method comprises the following steps: picking up reflection layer information from the superposition section of the single shot record; mapping the reflection layer information to shot records; and (4) combining the superposition section and the shot record, and checking the quality of the reflected wave of the target layer by analyzing the distribution condition of the time-distance curve on the shot set. The device comprises: the picking module is used for picking the information of the reflecting layer from the superposed section of the single shot record; the mapping module is used for mapping the reflection layer information to shot records; and the first analysis module is used for combining the superposition section and the shot record and checking the quality of the reflected wave of the target layer by analyzing the distribution condition of the time-distance curve on the shot set. The invention can provide more reliable technical means for solving the quantitative analysis and objective evaluation of the field earthquake data in complex areas.
Description
Technical field
The present invention relates to the exploration of oil and gas field technical field, relate in particular to earthquake-capturing mass analysis method and device.
Background technology
High-quality field data collection is improve the seismic prospecting precision basic and crucial, strengthens field acquisition quality control and management, and can the supervision and guidance field construction guarantees seismic data quality, significant to accomplishing the exploration task.
The open-air management mainly is through the open-air geological data of gathering is carried out rationally, analyzes effectively, to judge the quality of seismic data.At present, appraisal mainly concentrates on main construction method inspection (arrangement, recording geometry and physical points inspection, workload are confirmed) and two aspects of big gun record quality evaluation.The former mainly checks recording geometry and geological data consistance, and the latter observes first arrival, recording channel, the reflection of layer position etc. mainly through the intersection record playback, the quality of coming the qualitative analysis seismic data, sometimes even need be by means of indoor processing data, but late.In addition, for general area, seismic data is better relatively, and single shot record can be told the signal in reflection horizon.For the higher record of this signal to noise ratio (S/N ratio), assay work mainly is that attributes such as the dominant frequency of record, signal to noise ratio (S/N ratio), resolution, energy, interference are carried out quantitative test, formulates evaluation criterion according to analyzing the result who obtains, and seismologic record is carried out automatic Evaluation; And, underground structure areas with complicated big for surface relief because data quality is too poor, only are difficult to realize the objective evaluation of acquisition quality with the artillery record, and this just needs to introduce more quality control method.
Summary of the invention
The embodiment of the invention provides a kind of earthquake-capturing mass analysis method, and in order to realize the quantitative test and the objective evaluation of complex area earthquake field acquisition data, this method comprises:
Pick up reflection horizon information from the stacked section of single shot record;
With said reflection horizon information mapping to the big gun record;
In conjunction with said stacked section and big gun record, through analyzing the distribution situation of T-X curve on the big gun collection, the reflection wave quality of inspection zone of interest.
The embodiment of the invention also provides a kind of earthquake-capturing quality analysis apparatus, and in order to realize the quantitative test and the objective evaluation of complex area earthquake field acquisition data, this device comprises:
Pickup model is used for picking up reflection horizon information from the stacked section of single shot record;
Mapping block is used for said reflection horizon information mapping to the big gun record;
First analysis module is used to combine said stacked section and big gun record, through analyzing the distribution situation of T-X curve on the big gun collection, the reflection wave quality of inspection zone of interest.
In the embodiment of the invention; Shine upon the reflection wave quality of checking " zone of interest " through reflection horizon between stacked section and single shot record; And then realize the analysis of single shot record acquisition quality, for quantitative test and the objective evaluation that solves complex area earthquake field acquisition data provides reliable technique means more.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.In the accompanying drawings:
Fig. 1 is the processing flow chart of earthquake-capturing mass analysis method in the embodiment of the invention;
Fig. 2 is the superimposed displayed map of stacked section and stack velocity in the embodiment of the invention;
Fig. 3 be in the embodiment of the invention with Fig. 2 in the T-X curve distribution plan of the nearest big gun of reflection spot record;
Fig. 4 is the synoptic diagram of the reflection horizon information with angle of picking up from stacked section in the embodiment of the invention;
Fig. 5 be in the embodiment of the invention with Fig. 4 in the T-X curve distribution plan of the nearest big gun of reflection spot record;
Fig. 6 is for reflecting the shot point distribution plan that exit point is associated in the embodiment of the invention with among Fig. 4;
Fig. 7 is the structural representation of earthquake-capturing quality analysis apparatus in the embodiment of the invention;
Fig. 8 is the practical implementation synoptic diagram of earthquake-capturing quality analysis apparatus shown in Figure 7 in the embodiment of the invention;
Fig. 9 is the practical implementation synoptic diagram of earthquake-capturing quality analysis apparatus shown in Figure 8 in the embodiment of the invention;
Figure 10 is the practical implementation synoptic diagram of earthquake-capturing quality analysis apparatus shown in Figure 7 in the embodiment of the invention;
Figure 11 is the practical implementation synoptic diagram of earthquake-capturing quality analysis apparatus shown in Figure 7 in the embodiment of the invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer, the embodiment of the invention is explained further details below in conjunction with accompanying drawing.At this, illustrative examples of the present invention and explanation thereof are used to explain the present invention, but not as to qualification of the present invention.
Site disposal is that seismic data acquisition process and result are carried out the requisite operation of quality control; A very important effect is in time to learn and use for reference the working experience and the achievement in research of treatment people in the past, and this is most important to judging whether a physical prospecting engineering can accomplish the geologic prospecting task.
In the embodiment of the invention, for site disposal, following earthquake-capturing mass analysis method is provided, its treatment scheme can be as shown in Figure 1, comprising:
During practical implementation, can pick up at stacked section before the information of reflection horizon, earlier single shot record handled, extract in length and breadth that survey line superposes, form said stacked section from single shot record.
Among the embodiment, can also be after forming said stacked section, through analyzing the imaging situation of said stacked section, the image quality of inspection zone of interest.
That is, in the embodiment of the invention, in the process of seismic data acquisition quality analysis in the open air; If single shot record is second-rate or need further to analyze acquisition quality; Then for site disposal, can pass through the conventional processing flow process earlier, vertical, the horizontal survey line that extract part carry out brute stack; Through the imaging situation of stacked section, the basic quality of assay data is to realize inspection and the control to whole acquisition quality.Again through using the earthquake-capturing mass analysis method of the embodiment of the invention; The reflection horizon information " mapping " of picking up on the stacked section is write down to big gun; Organically combine stacked section and big gun record; Through the distribution situation of comparative analysis T-X curve on big gun collection (also can be CDP road collection), the reflection wave situation of inspection " zone of interest " is to realize the comprehensive contrast of single shot record and stacked section; Thereby analysis purpose layer reflective information carries out more objective acquisition quality A+E more exactly.
During practical implementation, the earthquake-capturing mass analysis method of the embodiment of the invention can also comprise: show the sp location that is associated with the reflection spot that picks up from said stacked section; Through analyzing the distribution situation of T-X curve on the said shot point, the image quality in inspection reflection horizon.
Among the embodiment, when showing, can on said stacked section, pick up different reflection spots, shine upon different single shot records, thereby accomplish the interaction analysis in a plurality of reflection horizon with sp location that the reflection spot that picks up from said stacked section is associated.
During practical implementation, the earthquake-capturing mass analysis method of the embodiment of the invention can also comprise: combine related data to carry out analysis-by-synthesis, estimate the acquisition quality of artillery record, thereby objective judgement data is qualified or " geology " waste product.
In the embodiment of the invention; The map analysis of the single big gun data of earthquake and stacked section, for example said stacked section of the combination of step 103 and big gun record are through the distribution situation of analysis T-X curve on the big gun collection; The reflection wave quality of inspection zone of interest, can carry out by following algorithm:
Wherein, t is to be hourage in travel-time of seismic signal, t
0Be the moment of the reflection spot that picks up from said stacked section, x is the offset distance in single shot record road, V (t
0) be t
0Stack velocity constantly.
The earthquake-capturing mass analysis method of the embodiment of the invention is described with illustrated example below.Fig. 2 is the superimposed displayed map of stacked section and stack velocity, picks up the reflection horizon information mapping above that in big gun record (having marked reflection spot among Fig. 2); Fig. 3 be with Fig. 2 in the T-X curve distribution plan of the nearest big gun of reflection spot record; Fig. 4 is the synoptic diagram (having marked reflection spot Fig. 4) of the reflection horizon information with angle of picking up from stacked section, Fig. 5 be with Fig. 4 in the T-X curve distribution plan that writes down of the nearest big gun of reflection spot; Fig. 6 for Fig. 4 in the shot point distribution plan that is associated of reflection exit point, wherein marked the low coverage shot point; Fig. 6 and Fig. 5 link alternately, can realize the comprehensive comparative analysis of each shot point and stacked section, thereby confirm the quality of data.
Based on same inventive concept, the embodiment of the invention also provides a kind of earthquake-capturing quality analysis apparatus, and is as shown in Figure 7, comprising:
As shown in Figure 8, among the embodiment, earthquake-capturing quality analysis apparatus shown in Figure 7 can also comprise:
As shown in Figure 9, among the embodiment, earthquake-capturing quality analysis apparatus shown in Figure 8 can also comprise:
Shown in figure 10, among the embodiment, earthquake-capturing quality analysis apparatus shown in Figure 7 can also comprise:
The 3rd analysis module 1002 is used for through analyzing the distribution situation of T-X curve on the said shot point, the image quality in inspection reflection horizon.
Among the embodiment, display module 1001 specifically can be used for:
On said stacked section, pick up different reflection spots, shine upon different single shot records.Shown in figure 11, among the embodiment, earthquake-capturing quality analysis apparatus shown in Figure 7 can also comprise: evaluation module 1101, and be used to combine related data to carry out analysis-by-synthesis, estimate the acquisition quality of artillery record.Among the embodiment, first analysis module 703 specifically can be used for carrying out by following algorithm:
Wherein, t is to be hourage in travel-time of seismic signal, t
0Be the moment of the reflection spot that picks up from said stacked section, x is the offset distance in single shot record road, V (t
0) be t
0Stack velocity constantly.
In sum; The earthquake-capturing quality analysis and the device that provide in the embodiment of the invention; Be based on shot point stack mapping techniques; Mainly solve the quantitative test and the objective evaluation problem of complex area earthquake field acquisition data, for quantitative test and the objective evaluation that solves complex area earthquake field acquisition data provides reliable technique means more.The embodiment of the invention is shone upon the reflection wave quality of checking " zone of interest " through reflection horizon between stacked section and single shot record on the basis that utilizes conventional pre-stack processing and superimposing technique, and then realizes the analysis of single shot record acquisition quality.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of the embodiment of complete hardware embodiment, complete software implementation example or combination software and hardware aspect.And the present invention can be employed in the form that one or more computer-usable storage medium (including but not limited to magnetic disk memory, CD-ROM, optical memory etc.) that wherein include computer usable program code go up the computer program of implementing.
The present invention is that reference is described according to the process flow diagram and/or the block scheme of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block scheme and/or square frame and process flow diagram and/or the block scheme and/or the combination of square frame.Can provide these computer program instructions to the processor of multi-purpose computer, special purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out through the processor of computing machine or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of process flow diagram or a plurality of flow process and/or square frame of block scheme or a plurality of square frame appointments.
These computer program instructions also can be stored in ability vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work; Make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of process flow diagram or a plurality of flow process and/or square frame of block scheme or a plurality of square frame.
These computer program instructions also can be loaded on computing machine or other programmable data processing device; Make on computing machine or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of on computing machine or other programmable devices, carrying out is provided for being implemented in the step of the function of appointment in flow process of process flow diagram or a plurality of flow process and/or square frame of block scheme or a plurality of square frame.
Above-described specific embodiment; The object of the invention, technical scheme and beneficial effect have been carried out further explain, and institute it should be understood that the above is merely specific embodiment of the present invention; And be not used in qualification protection scope of the present invention; All within spirit of the present invention and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. an earthquake-capturing mass analysis method is characterized in that, comprising:
Single shot record is handled, extracted in length and breadth that survey line superposes, form said stacked section;
Pick up reflection horizon information from the stacked section of single shot record;
With said reflection horizon information mapping to the big gun record;
In conjunction with said stacked section and big gun record, through analyzing the distribution situation of T-X curve on the big gun collection, the reflection wave quality of inspection zone of interest;
Show the sp location that is associated with the reflection spot that picks up from said stacked section;
Through analyzing the distribution situation of T-X curve on the said shot point, the image quality in inspection reflection horizon;
Said stacked section of said combination and big gun record through analyzing the distribution situation of T-X curve on the big gun collection, are checked the reflection wave quality of zone of interest, carry out by following algorithm:
Wherein, t is to be hourage in travel-time of seismic signal, t
0Be the moment of the reflection spot that picks up from said stacked section, x is the offset distance in single shot record road, V (t
0) be t
0Stack velocity constantly;
Carry out analysis-by-synthesis in conjunction with related data, estimate the acquisition quality of artillery record.
2. the method for claim 1 is characterized in that, also comprises:
Through analyzing the imaging situation of said stacked section, the image quality of inspection zone of interest.
3. the method for claim 1 is characterized in that, said demonstration and the sp location that the reflection spot that picks up from said stacked section is associated comprise:
On said stacked section, pick up different reflection spots, shine upon different single shot records.
4. an earthquake-capturing quality analysis apparatus is characterized in that, comprising:
Pickup model is used for picking up reflection horizon information from the stacked section of single shot record;
Mapping block is used for said reflection horizon information mapping to the big gun record;
First analysis module is used to combine said stacked section and big gun record, through analyzing the distribution situation of T-X curve on the big gun collection, the reflection wave quality of inspection zone of interest;
Laminating module is used for single shot record is handled, and extracts in length and breadth that survey line superposes, and forms said stacked section;
Display module is used to show the sp location that is associated with the reflection spot that picks up from said stacked section;
The 3rd analysis module is used for through analyzing the distribution situation of T-X curve on the said shot point, the image quality in inspection reflection horizon;
Said first analysis module specifically is used for carrying out by following algorithm:
Wherein, t is to be hourage in travel-time of seismic signal, t
0Be the moment of the reflection spot that picks up from said stacked section, x is the offset distance in single shot record road, V (t
0) be t
0Stack velocity constantly;
Evaluation module is used to combine related data to carry out analysis-by-synthesis, estimates the acquisition quality of artillery record.
5. device as claimed in claim 4 is characterized in that, also comprises:
Second analysis module is used for through analyzing the imaging situation of said stacked section, the image quality of inspection zone of interest.
6. device as claimed in claim 4 is characterized in that, said display module specifically is used for:
On said stacked section, pick up different reflection spots, shine upon different single shot records.
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| CN201010548313A CN102053271B (en) | 2010-11-17 | 2010-11-17 | Seismic Acquisition Quality Analysis Method and Device |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102928878B (en) * | 2012-11-05 | 2015-07-15 | 中国石油集团川庆钻探工程有限公司地球物理勘探公司 | Amplitude balance quantitative evaluation method for three-dimensional earthquake observing system |
| CN106570040A (en) * | 2015-10-12 | 2017-04-19 | 中国石油化工股份有限公司 | Multilevel data indexing method and system based on pre-stack reverse time migration |
| CN105785438B (en) * | 2015-12-16 | 2018-07-10 | 中国石油天然气集团有限公司 | Velocity analysis method and system based on the mini stacked section of real-time multiple tracks |
| CN109655938A (en) * | 2017-10-11 | 2019-04-19 | 中国石油化工股份有限公司 | A kind of method and system of evaluation big gun record acquisition quality |
| CN109031418A (en) * | 2018-07-17 | 2018-12-18 | 中国石油天然气股份有限公司 | Seismic acquisition quality analysis method and device |
| CN109765617B (en) * | 2019-01-31 | 2021-03-02 | 太原理工大学 | A kinematic-based method for suppressing multiple reflection and refraction waves with two vertical sources |
| CN112305603B (en) * | 2019-08-02 | 2024-03-26 | 中国石油天然气股份有限公司 | Quality monitoring method and system for node instrument |
| CN112748461B (en) * | 2019-10-30 | 2024-03-26 | 中国石油天然气集团有限公司 | Method and device for calibrating single shot recording horizon |
| CN112748460B (en) * | 2019-10-30 | 2024-03-01 | 中国石油天然气集团有限公司 | Method and system for calibrating actual single shot record horizon based on simulated earthquake single shot record |
| CN112505748B (en) * | 2020-11-02 | 2024-05-28 | 中国石油天然气股份有限公司 | Gun domain reflected wave pickup method and device |
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