Multipole sub-array sound wave test and calibration device

An array acoustic wave, multipole technology, applied in surveying, wellbore/well components, earth-moving drilling, etc., can solve the problems of expensive, time-consuming receiving transducer calibration, no methods and devices, etc.

Pending Publication Date: 2021-05-18
BC P INC CHINA NAT PETROLEUM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

With the increasing number of receiving transducers used in logging tools, the calibration of receiving transducers has become a very time-consuming and expensive work. At present, there is no effective method and device, and many important factors are ignored. Such as the final installation of the transducer on the logging instrument and the actual operating environment, this brings great difficulties to the development of acoustic instruments

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  • Multipole sub-array sound wave test and calibration device
  • Multipole sub-array sound wave test and calibration device
  • Multipole sub-array sound wave test and calibration device

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[0029]The specific scheme of the present invention will be further described below with reference to the accompanying drawings:

[0030]Such asfigure 2 As shown, a multi-pole array acoustic wave test and a scale device including a formation analog test tub 7, an instrument operation platform 8, a supporter 6, water 2, an acoustic logging instrument 9, a sealing adapter 1, a collection system, Data analysis and processing system;

[0031]The bottom portion of the formation simulation test tub 7 is provided with two instrument operation platform 8, which is disposed in a V-shaped support slot on the instrument operating platform 8, the formation simulation test bucket. 7 is not vertically placed underground, but is supported by the instrument operating platform 8 horizontally, the one sealing adapter 1 is mounted on the acoustic logging instrument 9 by a thread, and eight support The device 6 is fixed to the acoustic logging instrument 9 by a screw and loads the acoustic logging instrument 9 a

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Abstract

The invention discloses a multipole sub-array sound wave test and calibration device. The multipole sub-array sound wave test and calibration device comprises an instrument operating platform, a stratum simulation test barrel, a lifting device, a water injection barrel, a hand pump, a sealing adapter, a sealing joint, a sealing plug, a protective cap, a pressure gage and a pressure-bearing valve, wherein the stratum simulation test barrel is arranged in a V-shaped support groove of the instrument operating platform, the sealing joint, the sealing plug, the protective cap, the pressure gage and the pressure-bearing valve are arranged on the stratum simulation test barrel, the stratum simulation test barrel is filled with water, a multipole sub-array sound wave instrument is completely covered in the water, and the hand pump is used for water injection and pressurization. According to the device, the problems of instrument delivery verification and calibration, transducer assembly test and calibration and different combination test, calibration and consistency adjustment of the whole instrument and independent components can be solved, remote technical support of the sound wave instrument and instrument fault detection and calibration are realized, the correctness of acoustic logging is guaranteed, and the instrument maintenance and technical support cost is reduced.

Description

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Claims

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Application Information

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Owner BC P INC CHINA NAT PETROLEUM CORP
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