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Method for optimizing design of vertical seismic profile observation system

A technology of vertical seismic profile and observation system, which is applied in seismic signal processing, seismology for logging records, etc. problems, and achieve the effect of strong rationality of the results

Active Publication Date: 2010-01-13
BGP OF CHINA NAT GASOLINEEUM CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology allows researchers to see how compressed waves are generated by an underground explosion during excavation operations while observing their arrival times with respect to other sources such as water vapor. By analyzing these data over multiple dimensions, they were able to identify specific features that could indicate potential hazards associated with this process. They found that certain types of gases like hydrogen gas may have strong negative impact upon workers who work near them.

Problems solved by technology

Technological Problem addressed in this patented technical solution describes the challenges faced during drill bit prospect mineral resource explosions or environmental pollution events where traditional monitoring systems use limited values due to their lack of specific parameter identification capabilities. Existing surveying techniques require expensive equipment and long periods of survey campaigns before acquiring detailed data sets.

Method used

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  • Method for optimizing design of vertical seismic profile observation system
  • Method for optimizing design of vertical seismic profile observation system
  • Method for optimizing design of vertical seismic profile observation system

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Embodiment Construction

[0071] The present invention will be described in detail below in conjunction with the embodiments and accompanying drawings.

[0072] 1. Initial Observation System Design

[0073] According to the project requirements and the given exploration range of geological targets, the distribution and range of shot points and receiving points required for effective imaging of reflected waves in the target area are determined by the known uniform space straight line calculation method. figure 1 The relationship between two shot points, one receiver point and the imaging area in the uniform space model is shown. Use this concise relationship to design the initial observation system.

[0074] 2. Establish earthquake geological model

[0075] Through the collection of drilling logging, geological and seismic data near the well area, the seismic geological model is established by using known methods and commercial software on the basis of analysis and interpretation. figure 2 It is a t...

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Abstract

The invention provides a method for optimizing a design of a vertical seismic profile observation system for seismic exploration, which comprises the following steps: establishing a seismic geological model by known data; distributing more than two different observation systems; forwarding a response of a seismic wave field; calculating a position of a reflective spot, incident and reflection angles and length or ray impact frequency, and counting characteristic parameters again to construct an analysis map; and determining the optimal scheme for actual exploration according to a geological target. The method adopts multi-parameter analysis based on a spacial model, has strong rationality of results, adapts to details, can improve data acquisition quality, is suitable for homogeneous spaces and one-dimensional, two-dimensional or three-dimensional models, can be used for non-zero spacing, Walkaway and 3D-3C VSP exploration designs, and also can be used for analyzing VSP exploration designs of longitudinal waves, transverse waves and converted waves.

Description

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Claims

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Application Information

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Owner BGP OF CHINA NAT GASOLINEEUM CORP
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