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An oil drilling rig data acquisition device

A technology for data acquisition and oil drilling, which is applied to drilling equipment, earth-moving drilling, and automatic control systems for drilling.

Active Publication Date: 2020-06-02
BC P INC CHINA NAT PETROLEUM CORP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, there are many pull wires and complicated operation, and the sensor signal is easily attenuated and interfered during long-distance transmission, which causes signal distortion
[0004] 2. The collected sensor data is stored in the host computer. When the disk of the host computer is damaged, it is easy to cause data loss
[0005] 3. The communication between the data acquisition device and the upper computer is mainly through the serial bus, and the data transmission speed is relatively slow

Method used

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  • An oil drilling rig data acquisition device
  • An oil drilling rig data acquisition device
  • An oil drilling rig data acquisition device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Such as figure 1 shows the main modules of the acquisition device, combined with figure 1 As shown, a data acquisition device for an oil drilling rig can include a device box, and the inside of the device box is provided with an explosion-proof power supply, a sensor interface module, a data acquisition circuit board, and a command downlink control circuit board; the explosion-proof The power supply is used to convert the 220v AC power supply to the DC power supply required by the sensor and the circuit board; the sensor interface module is used to supply power to the sensor and the photoelectric isolation of the sensor signal; the data acquisition circuit board includes a power supply module, a temperature test module, Data acquisition module, data storage module, data transmission module, programmable control module; the power module is used to convert the power output by the explosion-proof power supply into the power required by the circuit board; the temperature te...

Embodiment 2

[0040] In the drilling floor data acquisition device provided by the present invention, the data acquisition circuit board can also be composed of a power supply module, a sensor signal conditioning module, a temperature test module, a data acquisition module, a programmable control module, a data storage module, and a data transmission module.

[0041] Power module:

[0042] Such as figure 2 As shown, the data acquisition circuit board needs 24V, 5V, 3.3V power supply. The 24V power supply module adopts WRB2424S-3WR2, and the input terminal VI+ is 24V power supply output by AC-DC of explosion-proof power supply, which passes through SMBJ33CA transient suppression diode, is protected by series PTC self-recovery fuse, and then enters the power supply module after being filtered by capacitor C240. The output terminal VO+ is filtered by the filter circuit composed of devices C241, BLM21PG221SN1, C242, C243, and C244, and then outputs 24V. The 24V output by the explosion-proof p...

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Abstract

The invention discloses a petroleum drilling rig floor data acquisition device. An explosion-proof power supply, a sensor interface module, a data acquisition board and an instruction issuing controlcircuit board are arranged in a device box body of the petroleum drilling rig floor data acquisition device. The explosion-proof power supply is used for converting a 220V alternating-current power supply into a direct-current power supply required by a sensor and a circuit board. The sensor interface module is used for supplying power to the sensor and conducting photoelectric isolation on sensorsignals. The data acquisition circuit board is used for collecting the external sensor signals and storing the external sensor signals in real time in remote transmission. The instruction issuing control circuit board is used for controlling an instruction issuing device. The device can stably work on a severe cold drilling platform, is resistant to explosion, low in cost, high in stability and high in transmission rate, integrates collection, storage, transmission and control functions, and can be applied to various analog and digital sensors.

Description

technical field [0001] The invention relates to the technical field of sensor data acquisition, in particular to the acquisition of sensor data in the technical field of petroleum geological exploration, in particular to an oil drilling rig data acquisition device that can be used in logging-while-drilling and rotary steering systems. Background technique [0002] In the field of petroleum geological exploration technology, it is an extremely important task to use rotary steering and logging-while-drilling technology to control wellbore trajectory in real time and obtain engineering and formation parameters measured in real time downhole. At present, mud pulses are usually used to encode various parameters measured downhole and upload them to the ground in real time. On the ground, the pulse signal is detected by the riser pressure sensor, and the downhole parameters are obtained after decoding. At the same time, the drilling depth is calculated through the combination of t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B47/00E21B47/12E21B44/00
CPCE21B44/00E21B47/00E21B47/12
Inventor 杨亮李传伟梁耀刘鹏赵民薛秋来王眉山韩晓文方博伟邵琨贾平军
Owner BC P INC CHINA NAT PETROLEUM CORP
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