Online oil-drilling drill string monitoring system and fault diagnosis method

A technology of oil drilling and monitoring system, which is applied to the automatic control system of drilling, drilling equipment, measurement, etc.

Active Publication Date: 2015-06-03
YANGZHOU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide an oil drilling drill string on-line monitoring system and fault diagnosis method, which can timely alarm and perform fault diagnosis for the abnormal situation of the drilling tool during the drilling process, improve the efficiency of solving engineering abnormal problems, and effectively avoid danger the occurrence of the accident

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  • Online oil-drilling drill string monitoring system and fault diagnosis method
  • Online oil-drilling drill string monitoring system and fault diagnosis method
  • Online oil-drilling drill string monitoring system and fault diagnosis method

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Embodiment Construction

[0076] In order to express this patent more clearly, in conjunction with the attached figure 1 , 2 This patent is described further.

[0077] The oil drilling drill string drilling online monitoring system provided by the present invention includes a torque sensor 1, a torque sensor output ground wire 2, an acceleration sensor 3, a Z-axis signal output wire 4, a Y-axis signal output wire 5, and an X-axis signal output wire 6. PCB board 7, Bluetooth module power cord 8, Bluetooth module ground wire 9, Bluetooth module data download wire 10, Bluetooth module data output wire 11, Bluetooth module 12, torque sensor signal output wire 13, host computer 14.

[0078] The torque sensor 1 and the acceleration sensor 3 are not only connected to the drill string, but also connected to the PCB board 7 respectively. The torque output signal is formed between the torque sensor output ground wire 2 and the torque sensor signal output wire 13 , and is connected to the PCB board 7 .

[0079...

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Abstract

The invention discloses an online oil-drilling drill string monitoring system and a fault diagnosis method and belongs to the technique of oil drilling monitoring. The online oil-drilling drill string monitoring system comprises a PCB (printed circuit board), an upper computer, a torque sensor and an acceleration sensor, the torque sensor and the acceleration sensor are respectively connected with a drill string and the PCB and transmit collected torque signals and vibration signals to the PCB, and the PCB communicates with the upper computer with data subjected to pre-processing through a Bluetooth module. By the arrangement, transplantation is good, drilling state of the drill string can be monitored in real time, and abnormal conditions can be subjected to fault diagnosis accurately and reliably, so that convenience is brought to drilling personnel to take remedial measures timely, and occurrence of dangerous accidents is effectively prevented.

Description

technical field [0001] The invention belongs to oil drilling monitoring technology, in particular to a drilling tool monitoring system and a fault diagnosis method in the oil drilling process. technical background [0002] At present, the domestic prediction and analysis of engineering accidents that may occur during the drilling process of drilling tools is mainly done by measuring and analyzing abnormal changes in various drilling engineering parameters. The accuracy of the test system is not high and most of them can only The measured data is compared before and after according to manual experience to diagnose possible faults. This method is not only inefficient, but also has low accuracy, which may easily lead to misjudgment. Therefore, it is necessary to propose a system that can monitor the drilling state of the drilling tool in a timely, accurate and reliable manner. It is necessary to give an alarm to the abnormal situation that occurs when the drilling tool is drill...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B44/00E21B47/007E21B47/12G06N3/02
Inventor 缪宏梅庆孙娟赵荔张瑞宏郑再象张剑峰金亦富柏甫荣
Owner YANGZHOU UNIV
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