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Research on Measuring Device of Drill Time

Author: ChenJia
Tutor: LiuXiaoMing
School: Chongqing University
Course: Electrical Engineering
Keywords: Drilling Real time Microcontrollers Absolute displacement encoder
CLC: TE928
Type: Master's thesis
Year: 2004
Downloads: 101
Quote: 0
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Abstract


Per oil mining, geological exploration drill a well, fill in the history of a well must be based on the actual drilling of wells. For future exploration for oil recovery work, this is the most valuable data resources - the basis of these data, we can accumulate large amounts of geological and drilling experience. China's oil and gas exploration often experience with drilling workers drilling wells, caused the accident constantly and a huge waste of money and time. At present, the domestic oil exploration wells equipment in drilling engineering parameters automatically measure the performance of the instrument is relatively backward compared to other devices, which greatly hampered the development of the cause of China's oil drilling. Sichuan Petroleum Administration, Chongqing Instrument Factory has developed a parameter analyzer 4 generation drilling results but are unable to meet the requirements of the drilling site, to cooperate with us to re-development. This topic developed drilling parameter instrument is produced under such conditions. This paper comprehensive consideration the drilling parameter analyzer system of the particularity of the work environment and the characteristics of the microcontroller, the overall design of the dual microcontroller. The program gathers data collection, analysis and processing, display, alarm and data communications in one can to ensure that the system is efficient, stable and achieve all the requirements of the project, an effective data acquisition and recording, real-time monitoring and drill conditions. The program is designed for the system motherboard and related external facilities, according to the client side requirements to achieve a comprehensive determination of the signal acquisition and data processing, and display all data sets and upload the computer, while providing the necessary sound alarm, with the communication protocol implementation communication between the various modules and functions can be modified through the keypad on the instrument parameter settings and error. When the main control module and the PC communication, according to the communication distance and the conditions of the different drilling site for the discussion of the RS232 communication standard based on FSK modulation carrier communication and wireless data transmission, as well as the short message communication, these four kinds of different communication schemes; good algorithm and sensor devices - absolute displacement encoder correctly selected parameter measurement precision to improve play a vital role. Using digital filtering software design, greatly reducing the site of all kinds of interference, improve the accuracy of the data sampling system parameters, while some of the ideas and methods of software engineering is applied to the whole process of the system software design, as software design, testing and maintenance brings a lot of convenience. More detailed discussion of the system's hardware and software design. In view of the importance and particularity of the condition of the system to determine and parameters, separate chapters. Finally concluded, and put forward a few ideas on the follow-up work. The system has been in the oil drilling site trial. Scene after a long run, the system is working properly, fully affirmed and highly appraised by the user. The information indicates that the user feedback, the system will bring considerable economic and social benefits.

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CLC: > Industrial Technology > Oil and gas industry > Oil machinery and equipment and automation > Drilling machinery equipment > Drilling of mechanization and automation
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