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Sensor calibration apparatus

A calibration device and sensor technology, applied in the field of petroleum exploration, can solve the problems of inconvenience and cost, and achieve the effect of low cost

Active Publication Date: 2016-10-26
BITSWAVE SUZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The ideal calibration environment is to go to an open zero-degree environment, which is obviously inconvenient and expensive

Method used

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  • Sensor calibration apparatus

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Embodiment Construction

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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.

[0019] see figure 1 , which is a schematic structural diagram of the sensor calibration device of the present invention. Such as figure 1 As shown, the calibration device includes a wooden test room 100 , a sensor (not shown), a cool air generating source 200 and a non-metallic pipe 300 . The wooden test house 100 includes a vertical support bar 101, and the support bar 101 is provided with a bottom frame 102, a middle frame 103 and a top frame 104 vertically fro...

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Abstract

The invention provides a sensor calibration apparatus including a wood testing room, a sensor, a cold air generation source, and a non-metal pipeline, the wood testing room includes vertically arranged support rods, a bottom layer frame, an intermediate layer frame, and a top layer frame, the bottom layer frame, the intermediate layer frame, and the top layer frame are embedded on the support rods, a flat board is arranged on the intermediate layer frame, the top layer framer is provided with a top board, a calibration chamber having an enclosed space is formed between the flat board, the top board, and the support rods, the inner walls of the calibration chamber are provided with insulation layers, the sensor is arranged in the calibration chamber, the non-metal pipeline is connected with the calibration chamber and the cold air generation source, the wood testing room is arranged indoors and has no metal around within the range of 4m. The sensor calibration apparatus has no magnetic interference around within the range of 4 meters and is low in cost (about 8,000 yuan), and thick insulation layers which can keep the calibration chamber at 0 DEG C are arranged indoors.

Description

technical field [0001] The invention belongs to the field of petroleum exploration, in particular to a sensor calibration device. Background technique [0002] MWD (The Measurement While Drilling) is a wireless measurement while drilling system powered by a downhole turbine generator. MWD collects data from sensors installed on the drill bit and transmits the data to the surface with the help of pressure pulses from the mud circulation system. The practical application of MWD has brought a new leap to directional drilling technology. It is a real-time monitoring system for downhole drilling tools, which can provide directional drilling workers with parameters such as well deviation, azimuth, tool face direction and bottom hole temperature at any time, so that Workers can know the whereabouts and working status of downhole drilling tools at any time, which is convenient for controlling the well trajectory. Since the MWD sensor is very important for monitoring the downhole dr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D18/00
CPCG01D18/00
Inventor 刘策姜亚竹王华平
Owner BITSWAVE SUZHOU
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