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Automatic acoustic wave logging instrument and method

A sonic logging tool and sonic technology, applied in the directions of measurement, earthwork drilling and production, wellbore/well components, etc., can solve problems such as easy errors, large errors, and detection data in analysis, and achieve the effect of integration

Inactive Publication Date: 2017-05-10
XIANGTAN UNIV
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Problems solved by technology

Especially in the case of deep rock formations and dense measurement points, the measured position not only has a large error, but also takes a lot of time and effort
However, in the actual working environment, even if the position of the acoustic wave data collected by the detection device at each point is manually measured, due to the complex geological conditions around the well, it is impossible to detect the data completely and accurately, so errors are prone to occur during analysis, and cost A lot of time and effort to repeat measurements

Method used

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  • Automatic acoustic wave logging instrument and method
  • Automatic acoustic wave logging instrument and method
  • Automatic acoustic wave logging instrument and method

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Embodiment Construction

[0040]In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0041] figure 1 Schematic diagram of the structure of the automatic acoustic logging tool provided by the embodiment of the present invention. Such as figure 1 As shown, the automatic sonic logging tool provided in this embodiment may specifically include:

[0042] Acoustic logging transducer 2 , encoder wireless positioning device 3 , acoustic ...

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Abstract

The invention discloses an automatic acoustic wave logging instrument and a method. The method comprises the steps that by using an encoder wireless location-measuring device, an acoustic wave logging energy transducer can track and record displacement values automatically in the moving process; according to a set displacement interval, automatic sampling is conducted, and collected acoustic wave signals are preserved; and by analyzing the acoustic wave signals, detecting and evaluating of the strength and defects of a rock stratum are realized, and accordingly integration of a measuring and analysis device and a sampling device and automation of the measuring process are achieved.

Description

technical field [0001] The invention relates to the technical field of rock structure detection in engineering geophysical prospecting, in particular to an automatic sonic logging instrument and a method thereof. Background technique [0002] Geology is one of the seven natural sciences, mainly concerned with the study of the earth and its origin and evolution. Practical applications are very extensive: earthquake prediction, search and exploration of various minerals, disastrous landslides, and evolution of paleontology. Among them, physical exploration is referred to as "geophysical prospecting", which is based on the differences in physical properties such as density, magnetism, electricity, elasticity, and radioactivity of various rocks and ores. Changes in the geophysical field are used to detect geological conditions such as stratum lithology and geological structure. The main geophysical prospecting methods are gravity prospecting, magnetic prospecting, electrical p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B47/14E21B49/00
CPCE21B47/14E21B49/00
Inventor 龙士国张波
Owner XIANGTAN UNIV
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