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Drilling verification instrument and work method thereof

A working method and calibrating instrument technology, which is applied in earthwork drilling, measurement, wellbore/well components, etc., can solve problems such as limited application and schemes that cannot be positioned, and achieve the effect of reducing costs and expanding the scope of application

Active Publication Date: 2013-11-13
吴佳平 +2
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Problems solved by technology

At the same time, if there is ferromagnetic ore at the working point, the solution cannot achieve positioning, which limits the application of the solution

Method used

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  • Drilling verification instrument and work method thereof
  • Drilling verification instrument and work method thereof
  • Drilling verification instrument and work method thereof

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Embodiment Construction

[0025] The device of the present invention is as figure 1 As shown, it is installed inside the drill collar, and the antenna of the wireless transceiver component is placed on the outer wall of the drill collar. The circuit board consisting of signal processing unit, transmission element, acceleration sensor, gyroscope, temperature sensor and memory is placed in the metal case. , the whole device is powered by a button battery, the temperature sensor, the accelerometer sensor and the gyroscope sensor are connected with the signal processing unit (microprocessor), the temperature sensor, the accelerometer sensor and the gyroscope sensor send the raw data to the signal processing unit, and the signal The processing unit performs a series of filtering and correction processing on the original data to obtain the current azimuth, tilt angle and displacement. The signal processing unit stores this group of data in the memory. After the sensor is pulled out from the borehole, the s...

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Abstract

The invention disclose a drilling verification instrument and a work method thereof, which are used for precisely measuring the whole track of a drill bit in the drilling process. The drilling verification instrument is arranged in a drill collar; all sensors, a power supply, a storage unit and a wireless transceiving unit are connected with a signal processing unit respectively, and the antenna of the wireless transceiving unit is placed at the outer wall of the drill collar. The work method comprises the steps of in the work process of a drill set, an accelerated speed sensor and a gyroscope sensor continuously collect real-time data to send to the signal processing unit; the signal processing unit computes the azimuth, the inclination angle and the displacement of drilling; the measuring values are filtered and corrected to obtain the real azimuth, the inclination angle and the displacement by the temperature data sent from a temperature sensor; and then the data is sent to a terminal analyzer by the wireless transceiving unit, and the terminal analyzer performs second analysis on the data and draws a drilling track to be referenced by relevant staff.

Description

[0001] technical field [0002] The invention relates to the field of outburst prevention drilling in the mining process of coal mines, in particular to a method for measuring outburst prevention drilling holes in coal mines and a measuring device designed by the method. Background technique [0003] During the mining process of existing coal mines, it is necessary to drill holes to release gas to prevent accidents. However, at present, the location and accuracy of coal mine drilling are generally operated by manual experience, and it is impossible to accurately know whether the drilling is in place or the degree of deviation. During the whole drilling process, due to the different strength of the rock where the drill bit is located, and due to the gravity of the drilling tool itself, the displacement of the drill hole will shift with the drilling depth. After that, it is unknown whether the drilled hole reached the designed position. [0004] At present, there have been r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B47/024
Inventor 吴佳平李秀霞解庆雪
Owner 吴佳平
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