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Method and apparatus for analyzing data in time -lapse geophysical surveys

A geophysical data and data technology, applied in the field of geophysical exploration systems, can solve problems such as reduced reliability and reduced data repeatability

Inactive Publication Date: 2014-01-22
ION GEOPHYSICAL CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Even when the geometric repeatability of a surveillance survey is good (for example, where sources and receivers are permanently installed on land or on the seafloor), other factors can make the data obtained in a surveillance survey less repeatable and therefore Reduced reliability

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  • Method and apparatus for analyzing data in time -lapse geophysical surveys
  • Method and apparatus for analyzing data in time -lapse geophysical surveys
  • Method and apparatus for analyzing data in time -lapse geophysical surveys

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Embodiment Construction

[0018] Petrochemicals such as oil and gas are ubiquitous in society and can be found in everything from gasoline to children's toys. For this reason, the demand for oil and natural gas is still huge. To meet this vast demand, it is important to locate oil and gas reservoirs in the earth. Scientists and engineers conduct "surveys" using, among other things, seismic and other wave exploration techniques to discover oil and gas reservoirs within the Earth. These seismic exploration techniques typically involve the use of seismic energy sources (e.g., explosives, air guns, vibrators, etc.) to control the emission of seismic energy into the earth, and the use of receivers (e.g., geophones, hydrophones, etc.) Response to earthquake source. By observing the reflected seismic signals detected by receivers during the survey, geophysical data about the reflected signals can be collected and these signals can indicate the composition of the earth near the survey site.

[0019] As port...

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Abstract

Methods and apparatuses are disclosed that assist in correlating subsequent geophysical surveys. In some embodiments, geophysical data may be generated including a first set of data from a monitor survey that is matched with a second set of data from a baseline survey. An attribute value may be generated for each datum in the first set of data and each attribute value generated may be stored with its corresponding datum. Then, the first set of data may be processed based on the stored attribute values. In some embodiments, the attribute values may be based upon the geometric closeness of sources and receivers in the baseline and monitor surveys.

Description

[0001] This Patent Cooperation Treaty patent application is filed under 35 U.S.C § 119(e) on March 23, 2011, entitled "Method and apparatus for analyzing data in subsequent geophysical surveys" and Apparatus), which is hereby incorporated by reference in its entirety. technical field [0002] The present disclosure relates generally to geophysical survey systems, and more particularly to data acquisition and analysis in follow-up geophysical surveys. Background technique [0003] Petrochemicals such as oil and gas are ubiquitous in society and can be found in everything from gasoline to children's toys. For this reason, the demand for oil and natural gas is still huge. To meet this vast demand, it is important to locate oil and gas reservoirs in the earth. Scientists and engineers conduct "surveys" using, among other things, seismic and other wave exploration techniques to discover oil and gas reservoirs within the Earth. These seismic exploration techniques typically inv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V1/34G01V1/30
CPCG01V1/308G01V1/345G01V2210/612G01V2210/74G01V1/3808G01V1/38G01V1/3843G01V1/3817G01V1/30G01V1/34
Inventor J.格里戈
Owner ION GEOPHYSICAL CORP