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Performance Analysis and Design of Spectral Noise Logging Tool

Vahdanizadeh, Farhad | 2021

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 54510 (05)
  4. University: Sharif University of Technology
  5. Department: Electrical Engineering
  6. Advisor(s): Movahedian, Hamid
  7. Abstract:
  8. Today, one of the most important concerns of oil and gas wells is to increase the efficiency of wells. To increase efficiency, well integrity must be monitored. One of the factors that destroy the integrity of the well is the creation of hydraulic fractures inside the oil and gas wells, which is one of the main factors that reduce the efficiency of the well. Hydraulic fractures cause water, gas and other materials to leak into the well or oil and gas to leak out of the fracture, which in both cases reduces the efficiency of the well. One of the most important technologies for identifying hydraulic fractures is the use of SNL tools from oil and gas wells. The oil and gas well SNL tool listens to the noises generated inside the oil and gas wells at different depths and determines the leaks and hydraulic characteristics of the wells. It then sends the processed data to the surface system via an ultrawire modem to display the information. In this study, after examining the common noises in oil and gas wells, an acoustic noise measuring instrument was designed in the bandwidth of 8 Hz to 60 kHz, and after processing the data, the results were sent to the surface using telemetry.
  9. Keywords:
  10. Hydraulic Fracturing ; Well Integrity Management System ; Logging While Drilling ; Well Logging ; Acostic Noise ; Ultrawire Protocol ; Ultralink Protocol

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