The system is visual control of the torque parameter "Torque on the rotor"

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Scope of delivery - display options that can be set by the complex "SVKB" - "Weight on the hook", "Load on the bit", "Torque on the rotor", "Split" and "Pressure in the monitor".

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"HUNDRED ON THE GAY"

Measurements are carried out in tones, display on a digital display to 4 digits, the last - tens of tones.

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"THE MORE MOMENT IN ROTOR" (hydraulic)

Measurements are carried out in kNt * m, display on the digital display to 3 digits, the last - dozens.

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"TISSK IN MONIFOLYD"

The measurements are carried out in Atm, the display on the digital display is up to 4 digits, the last - dozens.

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SOLUTION SOLUTION

Measurements are carried out in l / s, the display on the digital display is up to 4 digits, the last - dozens.

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Sensors are made of moisture and explosion-proof performance in accordance with the standards of the oil and gas industry of Ukraine.

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The principle of the device

The system of visual control of the parameter of drilling (SKKB) is intended for measurement

a) weight on a hook;

b) torque on the rotor by a direct method on the effort of the tension of the chain link in the transmission of the rotor drive.

The torque of the rotor of a drilling table, as a reaction to the resistance to rotation, is directly proportional to the effort of the tension of the chain drive of the rotor drive. The value of the tension of the chain is transmitted to the measuring element of the sensor by means of a spring-loaded roller sliding along the links of the chain, and measured by a strain gauge of the membrane-type force.

The force applied to the strain gauge converter leads to a distortion of the bridge circuit from the strain gauge, which causes a change in voltage at the output of the sensor.

This voltage change is applied to the input of the sensor signal digitization device (DSLR) and with the help of ADC, at a frequency of 4 times per second, converted into a 16-bit digital code, which flows through the interface of the RS-485 to the display device.

Since working on a drill machine allows the use of a tool requiring drive, both right and left rotation, the primary strain gauge sensors with roller are installed on both branches of the chain transmission. Accordingly, the entire SHKB system is executed in the form of two identical measuring channels and two digital displays for the right and left rotation of the instrument.

Each of the two digital displays (right and left rotation of the instrument) of the display unit contains a measuring channel calibration module. Gauge constants are determined by two points of load characteristics of the sensors and stored in the device's independent memory.

For operation in drilling conditions, the double indicator board is constructed in the form of a separate module, which is placed in the cabinet. There is also a power supply + 12V and calibration panels of both measuring channels. For the convenience of the driller at night, it is possible to adjust the brightness of each panel's illumination.

The SQUARE device provides an emergency log (log). To do this, the value of the torque shown on the display and expressed in kN ∙ m, is transmitted in parallel to the interface RS-485 to the communication unit with the computer. The connection block can be distant from the drill at a distance of up to 200 m.

A simple computer (netbook) with Windows XP operating system, which installs specialized software (software) - Logger, connects to the block of communication via the USB port.

This specialized P3 maintains a real-time log, where, every 2 seconds, the torque value averaged over 4 is logged, measured by the sensor in the working channel. The program builds the function of the parameter (on time) on the screen, and also creates a file in a text file format with delimiters that is supported by Microsoft Exel. To exclude unauthorized interference (corrections) in the log file, a special algorithm for calculating checksums is provided.

Long-term emergency logging is foreseen. When changing the days (at 00 hours 00 minutes) the program automatically closes the current file with the log and immediately opens a new one.

Release of reporting schedules and documents for registered data is performed by regular graphic means Microsoft Excel and Word.

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